Smelting furnace system
By setting control valves and venting structures in the smelting furnace system, the safety hazard of high-temperature aluminum melt leakage was solved, achieving a dual improvement in safety and cost. Furthermore, the use of waste gas drying venting chambers improved the system's safety and energy efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHONGSHAN RUITAI ALUMINIUM CO LTD
- Filing Date
- 2022-12-30
- Publication Date
- 2026-05-12
AI Technical Summary
Existing aluminum processing furnaces pose a safety hazard due to high-temperature aluminum molten metal leakage, and the limited space makes it impossible to install an emergency pool with a capacity of 1.2 times the furnace size, thus the safety hazard cannot be eliminated.
Design a smelting furnace system including a furnace body, a transfer channel, a venting box, and first and second control valves. Under normal operation, the first control valve is closed and the second control valve is open. In case of abnormality, the first control valve is open and the second control valve is closed, and the melt flows back into the venting chamber and flows into the venting chamber through the venting hole, thus avoiding the need to install an emergency pool in the plant.
It improves the safety of the smelting furnace system, reduces manufacturing costs, and enhances safety and energy efficiency by using the heat of the waste gas to dry the venting chamber through the drying mechanism.
Smart Images
Figure CN115978993B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of smelting furnace technology, and in particular to a smelting furnace system. Background Technology
[0002] In the smelting and casting process of the aluminum processing industry, the smelting furnace generally adopts a bottom-mounted discharge design. If not handled properly, it poses a significant safety hazard of leakage of high-temperature molten aluminum, which may result in serious casualties.
[0003] To address the aforementioned safety hazards, an emergency pool with a capacity 1.2 times that of the smelting furnace must be installed for emergency drainage. However, in existing smelting workshops with largely fixed layouts, many workshops lack the space to construct an emergency pool with a capacity 1.2 times that of the smelting furnace, preventing the pool from being built as required and thus posing a continued safety hazard. Summary of the Invention
[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a smelting furnace system that can improve the safety of smelting furnace system operation.
[0005] A smelting furnace system according to an embodiment of the present invention includes a furnace body, a transfer channel, a drain box, a first control valve, and a second control valve. The furnace body is provided with a smelting chamber, and the side wall of the smelting chamber is provided with a drain hole. The transfer channel communicates with the drain hole, and the side wall of the transfer channel is provided with a drain hole. The drain box is provided with a drain cavity communicating with the drain hole. The first control valve is located at the drain hole, and the second control valve is located at the transfer channel and between the drain hole and the drain hole. When the smelting furnace system is operating normally, the first control valve is closed and the second control valve is open; when the smelting furnace system is operating abnormally, the first control valve is open and the second control valve is closed.
[0006] The smelting furnace system according to an embodiment of the present invention has at least the following beneficial effects:
[0007] When the smelting furnace system is working normally, the first control valve 400 is closed and the second control valve 500 is open. When the transfer of the smelting furnace system is abnormal, the first control valve 400 opens and the second control valve 500 closes, so that the melt located in front of the second control valve 500 can no longer flow out, and the melt located in the rear of the second control valve 500 can flow back and flow into the venting chamber 310 through the venting hole 210 without the need to configure an emergency pool in the plant. This not only reduces the manufacturing cost of the smelting furnace system, but also improves the safety of the smelting furnace system.
[0008] According to some embodiments of the present invention, a drying mechanism is provided between the furnace body and the drain box, and the drying mechanism is used to dry the drain chamber.
[0009] According to some embodiments of the present invention, the drying mechanism includes a waste gas collection pipe and a drying chamber, one end of the waste gas collection pipe is connected to the melting chamber and the other end is connected to the drying chamber, and the vent box is housed in the drying chamber.
[0010] According to some embodiments of the present invention, a plurality of heat-conducting elements are provided on the outer periphery of the vent box, the heat-conducting elements extend circumferentially along the vent box and are housed in the drying chamber, and the plurality of heat-conducting elements are spaced apart along the height direction of the vent box.
[0011] According to some embodiments of the present invention, the side wall of the drying chamber is provided with a first air inlet and a first air outlet. The first air inlet is connected to the waste gas collection pipe. The first air inlet is located at the lower end of the side wall of the drying chamber, and the first air outlet is located at the upper end of the other opposite side wall of the drying chamber.
[0012] According to some embodiments of the present invention, a waste gas purification mechanism is also included. The waste gas purification mechanism includes a reaction vessel, an inlet pipe, and a plurality of partitions. The reaction vessel is provided with a reaction chamber. The side wall of the reaction chamber is provided with an inlet hole for adding reaction liquid. The plurality of partitions are connected to the side wall of the reaction chamber to divide the reaction chamber into reaction spaces spaced apart in the vertical direction. The partitions are provided with exhaust holes. The exhaust holes on two adjacent partitions are symmetrically arranged in the circumference of the reaction chamber. One end of the inlet pipe is connected to the first exhaust hole, and the other end is accommodated in the bottom reaction space.
[0013] According to some embodiments of the present invention, the exhaust gas purification mechanism further includes a stirring assembly, which includes a stirring shaft and a plurality of stirring blades. The stirring shaft is connected to the reaction vessel, and the plurality of stirring blades are connected to the stirring shaft and are spaced apart in the vertical direction. The stirring blades are housed in the corresponding reaction space.
[0014] According to some embodiments of the present invention, the transfer channel includes a first channel segment and a second channel segment communicating with the first channel segment, the first channel segment communicating with the melting chamber, the drain hole being disposed in the second channel segment, and the width of the first channel segment being greater than the width of the second channel segment.
[0015] According to some embodiments of the present invention, a sealing member is further included, the sealing member being movably accommodated in the discharge orifice to open and close the discharge orifice, wherein when the sealing member closes the discharge orifice, the sealing member is in contact with the sidewall of the discharge orifice.
[0016] According to some embodiments of the present invention, a liquid level detection component is also included, which is disposed in the transfer channel and electrically connected to the first control valve and the second control valve.
[0017] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0019] Figure 1 This is a top view of the smelting furnace system according to an embodiment of the present invention;
[0020] Figure 2 This is a schematic diagram of the assembly of the drying chamber and the drain box according to an embodiment of the present invention;
[0021] Figure 3 This is a schematic diagram of the waste gas purification mechanism according to an embodiment of the present invention;
[0022] Figure 4 for Figure 1 Cross-sectional view of line AA;
[0023] Figure 5 for Figure 1 Cross-sectional view of the BB line.
[0024] Figure label:
[0025] Furnace body 100, melting chamber 110, vent hole 120, transfer channel 200, first tank section 201, second tank section 202, vent hole 210, vent box 300, vent cavity 310, heat conduction component 320, first control valve 400, second control valve 500, drying mechanism 600, waste gas collection pipe 610, drying cavity 620, first air inlet 622, first air outlet 623, waste gas purification mechanism 700, reaction vessel 710, reaction cavity 711, liquid inlet 712, air inlet pipe 720, separator 730, exhaust port 731, stirring assembly 740, stirring shaft 741, stirring blade 742, sealing component 800, liquid level detection assembly 400. Detailed Implementation
[0026] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0027] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.
[0028] In the description of this invention, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0029] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.
[0030] Reference Figure 1 , Figure 2 According to an embodiment of the present invention, a smelting furnace system includes a furnace body 100, a transfer channel 200, a drain box 300, a first control valve 400, and a second control valve 500. The furnace body 100 is provided with a smelting chamber 110, and a drain hole 120 is provided on the side wall of the smelting chamber 110. The transfer channel 200 communicates with the drain hole 120, and a drain hole 210 is provided on the side wall of the transfer channel 200. The drain box 300 is provided with a drain chamber 310 communicating with the drain hole 210. The first control valve 400 is provided in the drain hole 210, and the second control valve 500 is provided in the transfer channel 200 and located between the drain hole 120 and the drain hole 210. When the smelting furnace system is working normally, the first control valve 400 is closed and the second control valve 500 is open. When the smelting furnace system is working abnormally, the first control valve 400 is open and the second control valve 500 is closed. In this way, the safety of the smelting furnace system can be improved.
[0031] Specifically, when the smelting furnace system is working normally, the first control valve 400 is closed and the second control valve 500 is open. When the transfer of the smelting furnace system is abnormal, the first control valve 400 opens and the second control valve 500 closes, so that the melt located in front of the second control valve 500 can no longer flow out, and the melt located in the rear of the second control valve 500 can flow back and flow into the venting chamber 310 through the venting hole 210 without the need to configure an emergency pool in the plant. This not only reduces the manufacturing cost of the smelting furnace system, but also improves the safety of the smelting furnace system.
[0032] Reference Figure 1 In some embodiments of the present invention, a drying mechanism 600 is provided between the furnace body 100 and the effluent box 300. The drying mechanism 600 is used to dry the effluent cavity 310, which can ensure that the effluent cavity 310 is in a dry state and does not contain water vapor, thereby improving the safety of the smelting furnace system.
[0033] Reference Figure 1 , Figure 2 In some embodiments of the present invention, the drying mechanism 600 includes a waste gas collection pipe 610 and a drying chamber 620. The drying chamber 620 is provided with a drying chamber 620. One end of the waste gas collection pipe 610 is connected to the melting chamber 110 and the other end is connected to the drying chamber 620. The vent box 300 is housed in the drying chamber 620, which can ensure that the vent box 310 is in a dry state and does not contain water vapor, thereby improving the safety of the melting furnace system.
[0034] Specifically, when the furnace body 100 melts aluminum, a certain amount of waste gas will be generated, and the waste gas contains a certain amount of heat. The drying mechanism 600 introduces the waste gas in the melting chamber 110 into the drying chamber 620 through the waste gas collection pipe 610, so that the high-temperature waste gas in the drying chamber 620 can heat the vent box 300 to dry the vent box 310, which can ensure that the vent box 310 is in a dry state and does not contain water vapor, thereby improving the safety of the melting furnace system.
[0035] Understandably, by using the heat of the waste gas to dry the effluent box 300, the thermal energy of the waste gas can be effectively utilized, thereby improving the energy efficiency of the smelting furnace system.
[0036] Of course, in some specific embodiments, the drying mechanism 600 can also be a heat-conducting pipe provided in the furnace body 100. The end of the heat-conducting pipe away from the furnace body 100 is arranged around the outer periphery of the vent box 300. A fan is provided on the heat-conducting pipe. The furnace body 100 can transfer heat to the air in the heat-conducting pipe. The fan then delivers the heated air to the vent box 300. This will not be described in detail here.
[0037] Reference Figure 2 In some embodiments of the present invention, a plurality of heat-conducting elements 320 are provided on the outer periphery of the effluent box 300. The heat-conducting elements 320 extend along the circumference of the effluent box 300 and are housed in the drying chamber 620. The plurality of heat-conducting elements 320 are spaced apart along the height direction of the effluent box 300, which can increase the contact area between the exhaust gas and the outer periphery of the effluent box 300, thereby improving the drying speed of the exhaust gas on the effluent box 300.
[0038] Specifically, the heat-conducting component 320 has a sheet-like structure. By setting multiple heat-conducting sheets, the contact area between the heat-conducting sheets and the exhaust gas can be increased, so that the heat energy of the exhaust gas can be transferred to the effluent box 300 more quickly to dry the effluent cavity 310, thereby improving the drying speed of the exhaust gas on the effluent box 300.
[0039] Reference Figure 1 , Figure 2 In some embodiments of the present invention, the sidewall of the drying chamber 620 is provided with a first air inlet 622 and a first air outlet 623. The first air inlet 622 is connected to the waste gas collection pipe 610. The first air inlet 622 is located at the lower end of the sidewall of the drying chamber 620, and the first air outlet 623 is located at the upper end of the other opposite sidewall of the drying chamber 620. In this way, the flow time of the waste gas in the drying chamber 620 can be increased, thereby improving the drying effect of the waste gas on the discharge chamber 310.
[0040] Specifically, the density of the exhaust gas is greater than that of air, causing it to tend to sink within the drying chamber 620. By placing the first air inlet 622 at the lower end of the side wall of the drying chamber 620 and the first air outlet 623 at the upper end of the opposite side wall of the drying chamber 620, the exhaust gas needs to be continuously replenished to squeeze the exhaust gas at the bottom of the drying chamber 620 out of the first air outlet 623, preventing it from automatically floating upwards and flowing out of the first air outlet 623. This increases the flow time of the exhaust gas within the drying chamber 620, thereby improving the drying effect of the exhaust gas on the discharge chamber 310.
[0041] Reference Figure 1 , Figure 3 In some embodiments of the present invention, an exhaust gas purification mechanism 700 is also included. The exhaust gas purification mechanism 700 includes a reaction vessel 710, an air inlet pipe 720, and a plurality of partitions 730. The reaction vessel 710 is provided with a reaction chamber 711. The side wall of the reaction chamber 711 is provided with an inlet hole 712 for adding reaction liquid. The plurality of partitions 730 are connected to the side wall of the reaction chamber 711 to divide the reaction chamber 711 into reaction spaces spaced apart in the vertical direction. The partitions 730 are provided with exhaust holes 731. The exhaust holes 731 on two adjacent partitions 730 are symmetrically arranged in the circumference of the reaction chamber 711. One end of the air inlet pipe 720 is connected to the first exhaust hole 623, and the other end is accommodated in the lowest reaction space. In this way, the reaction time of the exhaust gas in the reaction chamber 711 can be increased, so that the exhaust gas can fully react with the reaction liquid, thereby improving the purification effect of the exhaust gas purification mechanism 700.
[0042] Specifically, when exhaust gas is introduced into the intake pipe 720, the exhaust gas first enters the bottom reaction space, reacts with the bottom reaction liquid, and gradually floats upward. It flows into the upper reaction space through the exhaust port 731 of the bottom partition 730, reacts with the reaction liquid of that layer, and then moves to the corresponding exhaust port 731 for discharge. This increases the reaction time of the exhaust gas in the reaction chamber 711, allowing the exhaust gas to fully react with the reaction liquid, thereby improving the purification effect of the exhaust gas purification mechanism 700.
[0043] Reference Figure 1 , Figure 3 In some embodiments of the present invention, the exhaust gas purification mechanism 700 further includes a stirring assembly 740, which includes a stirring shaft 741 and a plurality of stirring blades 742. The stirring shaft 741 is connected to the reaction vessel 710, and the plurality of stirring blades 742 are connected to the stirring shaft 741 and are spaced apart in the vertical direction. The stirring blades 742 are housed in corresponding reaction spaces. In this way, the reaction liquid in each reaction space can be stirred, thereby making the reaction liquid evenly mixed and ensuring that the reaction liquid effectively absorbs exhaust gas.
[0044] Specifically, when the stirring shaft 741 rotates, it can drive multiple stirring blades 742 to rotate simultaneously. Each stirring blade 742 can stir the reaction liquid in each layer of reaction space, thereby making the reaction liquid evenly mixed and ensuring that the reaction liquid can effectively absorb waste gas.
[0045] Reference Figure 1 , Figure 4 and Figure 5 In some embodiments of the present invention, the transfer channel 200 includes a first channel segment 201 and a second channel segment 202 communicating with the first channel segment 201. The first channel segment 201 is communicating with the melting chamber 110, and the drain hole 210 is provided in the second channel segment 202. The width of the first channel segment 201 is greater than the width of the second channel segment 202. In this way, the first channel segment 201 can buffer the melt flowing out of the melting chamber 110 to reduce the flow speed of the melt. This not only prevents the melt from splashing out of the first channel segment 201, but also ensures that the melt can slowly flow into the drain hole 310, thereby improving the safety of the melting furnace system.
[0046] Reference Figure 1 In some embodiments of the present invention, a sealing member 800 is also included, which is movably accommodated in the vent hole 120 to open and close the vent hole 120. When the sealing member 800 closes the vent hole 120, the sealing member 800 is in contact with the side wall of the vent hole 120, which can improve the safety of the smelting furnace system.
[0047] Specifically, after prolonged use, the sealing component 800 may fail to seal, leading to accidental leakage of the melt in the melting chamber 110. By setting a second control valve 500, when the sealing component 800 seals the vent hole 120, both the second control valve 500 and the first control valve 400 are closed. The second control valve 500 can prevent the melt from continuing to flow to the rear end, thus avoiding melt overflow and improving the safety of the melting furnace system.
[0048] It also includes a liquid level detection component 900, which is located in the transfer channel 200. The first control valve 400 and the second control valve 500 are electrically connected to the liquid level detection component 900, which can detect the liquid level in the transfer channel 200, thereby monitoring whether the smelting furnace system is working properly.
[0049] Specifically, when the smelting furnace system is working normally, the liquid level in the transfer channel 200 is lower than the detection end of the liquid level detection component 900. The liquid level detection component 900 sends a first electrical signal to the first control valve 400 and the second control valve 500 to close the first control valve 400 and open the second control valve 500. When the smelting furnace system is malfunctioning, the liquid level in the transfer channel 200 is higher than the detection end of the liquid level detection component 900. The liquid level detection component 900 sends a second electrical signal to the first control valve 400 and the second control valve 500 to open the first control valve 400 and close the second control valve 500, thereby monitoring whether the smelting furnace system is working normally.
[0050] It should be noted that the first and second electrical signals can be either low-level or high-level signals, and there are no restrictions here.
[0051] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0052] The present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the invention.
Claims
1. A smelting furnace system, characterized in that, include: The furnace body (100) is provided with a melting chamber (110), and the side wall of the melting chamber (110) is provided with a drain hole (120). A transfer channel (200) is connected to the discharge hole (120). The side wall of the transfer channel (200) is provided with a drain hole (210). The transfer channel (200) includes a first groove section (201) and a second groove section (202) connected to the first groove section (201). The first groove section (201) is connected to the melting chamber (110). The drain hole (210) is located in the second groove section (202). The width of the first groove section (201) is greater than the width of the second groove section (202). The drain box (300) is provided with a drain cavity (310) communicating with the drain hole (210). A drying mechanism (600) is provided between the furnace body (100) and the drain box (300). The drying mechanism (600) is used to dry the drain cavity (310). A first control valve (400) is provided at the drain hole (210); The second control valve (500) is provided in the transfer channel (200) and located between the discharge hole (120) and the vent hole (210); When the smelting furnace system is working normally, the first control valve (400) is closed and the second control valve (500) is open; When the smelting furnace system malfunctions, the first control valve (400) opens and the second control valve (500) closes.
2. The smelting furnace system according to claim 1, characterized in that, The drying mechanism (600) includes a waste gas collection pipe (610) and a drying chamber (620). One end of the waste gas collection pipe (610) is connected to the melting chamber (110), and the other end is connected to the drying chamber (620). The drain box (300) is housed in the drying chamber (620).
3. The smelting furnace system according to claim 2, characterized in that, The outer periphery of the vent box (300) is provided with a plurality of heat-conducting elements (320), which extend along the circumference of the vent box (300) and are housed in the drying chamber (620). The plurality of heat-conducting elements (320) are spaced apart along the height direction of the vent box (300).
4. The smelting furnace system according to claim 2, characterized in that, The drying chamber (620) has a first air inlet (622) and a first air outlet (623) on its side wall. The first air inlet (622) is connected to the exhaust gas collection pipe (610). The first air inlet (622) is located at the lower end of the side wall of the drying chamber (620), and the first air outlet (623) is located at the upper end of the other opposite side wall of the drying chamber (620).
5. The smelting furnace system according to claim 4, characterized in that, It also includes an exhaust gas purification mechanism (700), which includes a reaction vessel (710), an air inlet pipe (720), and multiple partitions (730). The reaction vessel (710) is provided with a reaction chamber (711). The side wall of the reaction chamber (711) is provided with an inlet hole (712) for adding reaction liquid. The multiple partitions (730) are connected to the side wall of the reaction chamber (711) to divide the reaction chamber (711) into reaction spaces spaced apart in the vertical direction. The partitions (730) are provided with exhaust holes (731). The exhaust holes (731) on two adjacent partitions (730) are symmetrically arranged in the circumference of the reaction chamber (711). One end of the air inlet pipe (720) is connected to the first exhaust hole (623), and the other end is housed in the lowest reaction space.
6. The smelting furnace system according to claim 5, characterized in that, The exhaust gas purification mechanism (700) also includes a stirring assembly (740), which includes a stirring shaft (741) and a plurality of stirring blades (742). The stirring shaft (741) is connected to the reaction vessel (710), and the plurality of stirring blades (742) are connected to the stirring shaft (741) and are spaced apart in the vertical direction. The stirring blades (742) are housed in the corresponding reaction space.
7. The smelting furnace system according to claim 1, characterized in that, It also includes a plug (800) which is movably accommodated in the drain hole (120) to open and close the drain hole (120). When the plug (800) closes the drain hole (120), the plug (800) is in contact with the sidewall of the drain hole (120).
8. The smelting furnace system according to claim 1, characterized in that, It also includes a liquid level detection component (900), which is located in the transfer channel (200) and is electrically connected to the first control valve (400) and the second control valve (500).