Melting channel type zinc sheet casting furnace for zinc ingot production line and use method of melting channel type zinc sheet casting furnace

Abstract

The invention discloses a melting channel type zinc sheet casting furnace used on a zinc ingot production line and a using method thereof, and belongs to the technical field of casting furnaces, the melting channel type zinc sheet casting furnace comprises a furnace body, and further comprises a stirring assembly used for stirring materials located in the furnace body; the waste gas treatment mechanism is used for filtering waste gas generated by heating materials in the furnace body; the waste gas treatment mechanism comprises a first barrel and a three-way piece, and further comprises a filtering and cleaning assembly, the filtering and cleaning assembly comprises an annular mounting plate, a filter plate assembly and a lead screw, the annular mounting plate is fixedly mounted in the first barrel, the filter plate assembly is mounted on the annular mounting plate through a floating assembly, and the lead screw is connected with the filter plate assembly. One end of the screw rod is rotationally connected with the filter plate assembly, and the screw rod is in threaded connection with an annular push frame which is in sliding fit with a limiting groove formed in the first motor; the waste gas generated by the casting furnace can be treated, and the filtering rate of the filtering and cleaning assembly can be adjusted according to the internal pressure change of the casting furnace.

Description

Technical Field

[0001] The invention belongs to the technical field of melting and casting furnaces, and in particular relates to a melting trough type zinc sheet melting and casting furnace used in a zinc ingot production line and a use method thereof. Background Art

[0002] With the increasingly widespread application of zinc ingot products in various industries, especially the widespread use of galvanized products, this product has made great progress in the fields of home appliances, automobiles and building materials due to its superior corrosion resistance. The zinc sheet melting furnace is a key equipment in the zinc smelting industry.

[0003] The zinc sheet melting and casting furnace produces waste gas when melting and casting zinc sheets. The waste gas contains zinc vapor, zinc oxide smoke and other toxic substances. The waste gas needs to be filtered before it can be discharged, but the zinc vapor in the waste gas will form a solid state when it cools, causing the filter components installed on the furnace body to become clogged. If it cannot be cleared in time, the air pressure in the furnace will fluctuate violently, resulting in unqualified quality of the zinc sheet after melting and casting, and there is a risk of furnace explosion. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a molten channel type zinc sheet melting and casting furnace for use in a zinc ingot production line, which solves the above-mentioned problems.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A molten channel type zinc sheet melting and casting furnace for a zinc ingot production line, comprising a furnace body and a feeding assembly installed on the furnace body for feeding, and also comprising:

[0006] A stirring assembly is installed on the furnace body and is used to stir the materials in the furnace body;

[0007] The waste gas treatment mechanism is installed on the furnace body and is used to filter and treat the waste gas generated by heating the materials in the furnace body;

[0008] The exhaust gas treatment mechanism is provided with two groups, and the exhaust gas treatment mechanism includes a first cylinder and a tee. The two first cylinders are fixedly connected to the furnace body and are through-connected with the furnace body. A first valve component is installed in the first cylinder. The two air inlet ends of the tee are installed correspondingly at the air outlet ends of the first cylinder. It also includes a filter cleaning component, and the filter cleaning component includes an annular mounting plate, a filter plate assembly and a screw rod. The annular mounting plate is fixedly installed in the first cylinder. The filter plate assembly is installed on the annular mounting plate through a floating component. One end of the screw rod is rotatably connected to the filter plate assembly. The screw rod is threadedly connected to an annular push rack that slidably cooperates with a limit groove provided on the first motor. A driving component for driving the screw rod to rotate and linearly move is also installed on the first cylinder.

[0009] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0010] Further technical solution: The floating assembly includes a guide column, a baffle and a second cylinder. The guide column is slidably matched with the second cylinder embedded in the annular mounting plate. One end of the guide column extending into the second cylinder is fixedly connected with a baffle. The baffle is slidably matched with the second cylinder. A second elastic member is arranged in the second cylinder, and the second elastic member is fixedly connected to the baffle and the second cylinder.

[0011] Further technical solution: the driving assembly includes a first support frame, a first mounting cylinder, a second mounting cylinder, a second motor, a first crown gear, a second crown gear, a first elastic member, a rotating ring and a ratchet, the first mounting cylinder being mounted on the first support frame fixedly connected to the first cylinder body, the second mounting cylinder being threadedly connected to the first support frame, the second motor being detachably mounted in the second mounting cylinder, the output shaft of the second motor being fixedly connected to the first crown gear rotatably connected in the second mounting cylinder, the second crown gear being fixedly connected to the second mounting cylinder, the second crown gear being meshed with the annular push frame, the ratchet being mounted on the first mounting cylinder, the second mounting cylinder being provided with a limiting sliding groove slidably matched with a limiting sliding block fixedly connected to an inner ring of the ratchet, the first elastic member being sleeved on the screw rod and both ends of the first elastic member being fixedly connected to a rotating ring, the two rotating rings being correspondingly rotatably connected to the second crown gear and the first mounting cylinder.

[0012] Further technical solution: a leakage hole for discharging waste is provided on the first cylinder, and a second valve member is installed in the leakage hole.

[0013] Further technical solution: the stirring assembly includes a first motor, a rotating shaft and a stirring blade assembly, the first motor is detachably mounted on the furnace body, the rotating shaft is rotatably connected to the furnace body, the stirring blade assembly is mounted at the lower end of the rotating shaft, the stirring blade assembly includes a mounting rod and a disturbance rod, the mounting rod is arc-shaped and fits the bottom of the furnace body, a plurality of disturbance rods are provided and are evenly mounted on the mounting rod, and the mounting rod is fixedly connected to the rotating shaft.

[0014] Further technical solution: the feed assembly includes a feed barrel and a valve component, the feed barrel is fixedly mounted on the furnace body, and the valve component is installed in the feed barrel.

[0015] A further technical solution also includes a detection component for detecting the pressure information inside the furnace body and the wind speed difference information on both sides of the filter plate assembly.

[0016] Further technical solution: The detection component includes:

[0017] An air pressure sensor is installed in the furnace body and is used to detect the pressure information in the furnace body;

[0018] Two wind speed sensors are provided and are correspondingly installed on both sides of the filter plate assembly to detect the wind speed difference information on both sides of the filter plate assembly.

[0019] Further technical solution: A heating element for heating the inside of the furnace body is embedded in the side wall of the furnace body.

[0020] The method for using the above-mentioned trough type zinc sheet melting and casting furnace used in the zinc ingot production line comprises the following steps:

[0021] S1. Use an air pressure sensor to detect the air pressure information in the furnace body, and use two wind speed sensors to obtain the wind speed difference information on both sides of the filter plate assembly;

[0022] S2, when any of the acquired air pressure information and wind speed difference information is not within the preset corresponding threshold value, the second motor is turned on to rotate forward, and the first crown gear drives the second crown gear to drive the screw rod to perform linear reciprocating motion in the horizontal direction, and the screw rod drives the filter plate assembly to hit the annular mounting plate to achieve vibration and impurity removal treatment of the filter plate assembly;

[0023] S3, after the preset vibration time, the second motor is caused to reverse, the first crown gear pushes the second crown gear to drive the screw rod to rotate in the horizontal direction, and the screw rod pushes the annular push frame to slide along the limit groove, scraping the waste dropped by the filter plate assembly due to vibration, and guiding it into the leakage hole and then discharged from the first cylinder. If after the preset vibration time, any of the obtained air pressure information and wind speed difference information is still not within the corresponding preset threshold value, the first valve member in the first cylinder is closed, and the valve member in the other first cylinder is opened, so that the exhaust gas in the furnace body is discharged from the standby channel, and the filter plate assembly with low filtration rate is replaced;

[0024] S4, repeating steps S1 to S3, so that the gas pressure information in the furnace body and the wind speed difference information on both sides of the filter plate assembly are both within corresponding thresholds.

[0025] The present invention provides a molten channel type zinc sheet melting and casting furnace for a zinc ingot production line, which has the following beneficial effects compared with the prior art:

[0026] 1. Use the air pressure sensor to detect the air pressure information in the furnace body, and use two wind speed sensors to obtain the wind speed difference information on both sides of the filter plate assembly. When any of the obtained air pressure information and wind speed difference information is not within the preset corresponding threshold value, the second motor is turned on for forward rotation. At this time, the first crown gear drives the second crown gear to drive the screw rod to perform linear reciprocating motion in the horizontal direction. At this time, the screw rod drives the filter plate assembly to hit the annular mounting plate to achieve vibration and impurity removal of the filter plate assembly and improve the filtration rate of the filter plate assembly;

[0027] 2. After the filter plate assembly vibrates for a preset time, the second motor is prompted to reverse, and the first crown gear pushes the second crown gear to drive the screw to rotate in the horizontal direction. At this time, the screw pushes the annular push frame to slide along the limit groove, scraping the waste dropped by the vibration of the filter plate assembly, guiding it into the leakage hole and then discharging it from the first cylinder. If after the preset vibration time, any of the obtained air pressure information and wind speed difference information is still not within the corresponding preset threshold value, the first valve member located in the first cylinder is closed, and the other valve member in the first cylinder is opened, so that the exhaust gas in the furnace body is discharged from the standby channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0029] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0030] Figure 3 For the present invention Figure 2 A-section structure enlarged schematic diagram.

[0031] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure of part B.

[0032] Figure 5 It is a partial structural schematic diagram of the filtering and cleaning mechanism of the present invention.

[0033] Figure 6 For the present invention Figure 5 An enlarged schematic diagram of the C-section structure.

[0034] Notes on reference numerals: 1. furnace body; 2. stirring assembly; 201. first motor; 202. rotating shaft; 203. stirring blade assembly; 2031. mounting rod; 2032. disturbance rod; 3. exhaust gas treatment mechanism; 301. first cylinder; 302. three-way piece; 303. filter cleaning assembly; 3031. annular mounting plate; 3032. filter plate assembly; 3033. floating assembly; 30331. guide column; 30332. baffle; 30333. second cylinder; 303 4. Screw rod; 3035. Annular push frame; 3036. Leak hole; 3037. Limiting groove; 304. Driving assembly; 3041. First support frame; 3042. First mounting cylinder; 3043. Second mounting cylinder; 3044. Second motor; 3045. First crown gear; 3046. Second crown gear; 3047. First elastic member; 3048. Rotating ring; 3049. Ratchet; 4. Feeding assembly; 401. Feeding cylinder; 402. Valve member; 5. Heating member. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0037] See also Figure 1 to Figure 6 , provided in one embodiment of the present invention, is a molten channel type zinc sheet melting and casting furnace for a zinc ingot production line, comprising a furnace body 1 and a feeding assembly 4 installed on the furnace body 1 for feeding, and further comprising:

[0038] A stirring assembly 2 is installed on the furnace body 1 and is used to stir the material in the furnace body 1;

[0039] The waste gas treatment mechanism 3 is installed on the furnace body 1 and is used to filter and treat the waste gas generated by heating the materials in the furnace body 1;

[0040] The exhaust gas treatment mechanism 3 is provided with two groups, and the exhaust gas treatment mechanism 3 includes a first cylinder 301 and a three-way piece 302. The two first cylinders 301 are fixedly connected to the furnace body 1 and are connected to the furnace body 1. A first valve member (not shown in the figure) is installed in the first cylinder 301. The two air inlet ends of the three-way piece 302 are installed correspondingly at the air outlet end of the first cylinder 301. The exhaust gas treatment mechanism 3 also includes a filter cleaning component 303. The filter cleaning component 303 includes an annular mounting plate 3031, filter plate assemblies 3032 and 3033, and a screw rod 3034. The annular mounting plate 3031 is fixedly installed in the first cylinder. 301, the filter plate assembly 3032 is mounted on the annular mounting plate 3031 through a floating assembly 3033, one end of the screw rod 3034 is rotatably connected to the filter plate assembly 3032, the screw rod 3034 is threadedly connected with an annular push frame 3035 that slides with a limiting groove 3037 provided on the first motor 201, the first cylinder 301 is also provided with a driving assembly 304 for driving the screw rod 3034 to rotate and linearly move, the first cylinder 301 is provided with a leakage hole 3036 for discharging waste, and a second valve member (not shown in the figure) is installed in the leakage hole 3036;

[0041] The floating assembly 3033 includes a guide column 30331, a baffle 30332 and a second cylinder 30333. The guide column 30331 is slidably matched with the second cylinder 30333 embedded and installed on the annular mounting plate 3031. The end of the guide column 30331 extending into the second cylinder 30333 is fixedly connected with the baffle 30332. The baffle 30332 is slidably matched with the second cylinder 30333. A second elastic member (not shown in the figure) is arranged in the second cylinder 30333. The second elastic member is fixedly connected with the baffle 30332 and the second cylinder 30333. The purpose of this arrangement is to use the second elastic member to cooperate with the guide column 30331 and the second cylinder 30333 to elastically support the filter plate assembly 3032, so that the filter plate assembly 3032 has a floating space.

[0042] The driving assembly 304 includes a first support frame 3041, a first mounting cylinder 3042, a second mounting cylinder 3043, a second motor 3044, a first crown gear 3045, a second crown gear 3046, a first elastic member 3047, a rotating ring 3048 and a ratchet 3049. The first mounting cylinder 3042 is mounted on the first support frame 3041 fixedly connected to the first cylinder 301, the second mounting cylinder 3043 is threadedly connected to the first support frame 3041, and the second motor 3044 is detachably mounted on the first crown gear 3045, the second crown gear 3046, the first elastic member 3047, a rotating ring 3048 and a ratchet 3049. The output shaft of the second motor 3044 is fixedly connected to the first crown gear 3045 which is rotatably connected to the second mounting cylinder 3043. The second crown gear 3046 is fixedly connected to the second mounting cylinder 3043. The second crown gear 3046 is meshed with the annular push frame 3035. The ratchet 3049 is mounted on the first mounting cylinder 3042. The second mounting cylinder 3043 is provided with a limit slide which is slidably matched with a limit slide (not shown) fixedly connected to the inner ring of the ratchet 3049. The first elastic member 3047 is sleeved on the screw rod 3034 and both ends of the first elastic member 3047 are fixedly connected with a rotating ring 3048. The two rotating rings 3048 are correspondingly connected to the second crown gear 3046 and the first mounting cylinder 3042. When the second motor 3044 rotates forward, the first crown gear 3045 pushes the second crown gear 3046 to drive the screw rod 3034 to perform linear reciprocating motion in the horizontal direction. At this time, the screw rod 3034 pushes the filter plate assembly 3032 to hit the filter plate assembly 3032. The annular mounting plate 3031 is hit to achieve the purpose of vibrating and removing impurities from the filter plate assembly 3032 and improving the filtration rate of the filter plate assembly 3032. When the second motor 3044 reverses, the first crown gear 3045 pushes the second crown gear 3046 to drive the screw rod 3034 to rotate in the horizontal direction. At this time, the screw rod 3034 pushes the annular push frame 3035 to slide along the limiting groove 3037, scraping the waste dropped by the vibration of the filter plate assembly 3032, and guiding it into the leakage hole 3036 and then discharged from the first cylinder 301.

[0043] Preferably, the stirring assembly 2 includes a first motor 201, a rotating shaft 202 and a stirring blade assembly 203, the first motor 201 is detachably mounted on the furnace body 1, the rotating shaft 202 is rotatably connected to the furnace body 1, the stirring blade assembly 203 is mounted at the lower end of the rotating shaft 202, the stirring blade assembly 203 includes a mounting rod 2031 and a disturbance rod 2032, the mounting rod 2031 is arc-shaped and fits the bottom of the furnace body 1, the disturbance rod 2032 is provided with a plurality of and is evenly mounted on the mounting rod 2031, the mounting rod 2031 and the rotating shaft 20 2 is fixedly connected. The purpose of this arrangement is to use the first motor 201 to drive the rotating shaft 202 to rotate, and then use the rotating shaft 202 to push the mounting rod 2031 and the disturbance rod 2032 installed on the mounting rod 2031 to rotate, so as to stir the material in the furnace body 1, so that the material is heated evenly without heat accumulation. At the same time, the arc-shaped bottom inner wall of the furnace body 1 can cause the material to be discharged from the furnace body 1, and the mounting rod 2031 fitted therewith can scrape the bottom of the furnace body 1, so that the material will not be retained inside the furnace body 1.

[0044] Preferably, it also includes a detection component for detecting the internal pressure information of the furnace body 1 and the wind speed difference information on both sides of the filter plate assembly 3032, and the detection component includes:

[0045] An air pressure sensor is installed in the furnace body 1 and is used to detect the pressure information in the furnace body 1;

[0046] Two wind speed sensors are provided and are installed on both sides of the filter plate assembly 3032 respectively, so as to detect the wind speed difference information on both sides of the filter plate assembly 3032;

[0047] The air pressure information in the furnace body 1 is detected by using an air pressure sensor, and the wind speed difference information on both sides of the filter plate assembly 3032 is obtained by using two wind speed sensors. When any one of the obtained air pressure information and wind speed difference information is not within the preset corresponding threshold value, the second motor 3044 is turned on for forward rotation. At this time, the first crown gear 3045 pushes the second crown gear 3046 to drive the screw rod 3034 to perform linear reciprocating motion in the horizontal direction. At this time, the screw rod 3034 pushes the filter plate assembly 3032 to hit the annular mounting plate 3031 to achieve vibration and impurity removal treatment of the filter plate assembly 3032. If any one of the obtained air pressure information and wind speed difference information is still not within the corresponding preset threshold value after the preset vibration time, the first valve member in the first cylinder 301 is closed, and the valve member in the other first cylinder 301 is opened, so that the exhaust gas in the furnace body 1 is discharged from the standby channel.

[0048] Preferably, the feed assembly 4 includes a feed barrel 401 and a valve member 402 , the feed barrel 401 is fixedly mounted on the furnace body 1 , and the valve member 402 is mounted inside the feed barrel 401 . The purpose of this arrangement is to facilitate technicians to introduce materials into the furnace body 1 .

[0049] Preferably, a heating element 5 for heating the interior of the furnace body 1 is embedded in the side wall of the furnace body 1 .

[0050] In the embodiment of the present invention, an air pressure sensor is used to detect the air pressure information in the furnace body 1, and two wind speed sensors are used to obtain the wind speed difference information on both sides of the filter plate assembly 3032. When any of the obtained air pressure information and wind speed difference information is not within the preset corresponding threshold value, the second motor 3044 is turned on for forward rotation. At this time, the first crown gear 3045 pushes the second crown gear 3046 to drive the screw rod 3034 to perform linear reciprocating motion in the horizontal direction. At this time, the screw rod 3034 pushes the filter plate assembly 3032 to hit the annular mounting plate 3031, so as to achieve vibration and impurity removal treatment of the filter plate assembly 3032, thereby improving the filtration rate of the filter plate assembly 3032. After the preset vibration time, The second motor 3044 is prompted to reverse, and the first crown gear 3045 pushes the second crown gear 3046 to drive the screw rod 3034 to rotate in the horizontal direction. At this time, the screw rod 3034 pushes the annular push frame 3035 to slide along the limit groove 3037, scraping the waste dropped by the filter plate assembly 3032 due to vibration, and guiding it into the leakage hole 3036 and then discharged from the first cylinder 301. If after the preset vibration time, any of the obtained air pressure information and wind speed difference information is still not within the corresponding preset threshold value, the first valve member in the first cylinder 301 is closed, and the valve member in the other first cylinder 301 is opened, so that the exhaust gas in the furnace body 1 is prompted to be discharged from the backup channel.

[0051] A method for using a molten trough type zinc sheet melting and casting furnace for a zinc ingot production line comprises the following steps:

[0052] S1. Use an air pressure sensor to detect the air pressure information in the furnace body 1, and use two wind speed sensors to obtain the wind speed difference information on both sides of the filter plate assembly 3032;

[0053] S2. When any of the acquired air pressure information and wind speed difference information is not within the preset corresponding threshold value, the second motor 3044 is turned on to rotate forward, and the first crown gear 3045 pushes the second crown gear 3046 to drive the screw rod 3034 to perform linear reciprocating motion in the horizontal direction. At this time, the screw rod 3034 pushes the filter plate assembly 3032 to hit the annular mounting plate 3031, so as to achieve vibration and impurity removal treatment of the filter plate assembly 3032;

[0054] S3, after the preset vibration time, the second motor 3044 is caused to reverse, the first crown gear 3045 pushes the second crown gear 3046 to drive the screw rod 3034 to rotate in the horizontal direction, and the screw rod 3034 pushes the annular push frame 3035 to slide along the limit groove 3037, scraping the waste dropped by the filter plate assembly 3032, and guiding it into the leakage hole 3036 and then discharged from the first cylinder 301. If after the preset vibration time, any of the obtained air pressure information and wind speed difference information is still not within the corresponding preset threshold value, the first valve member in the first cylinder 301 is closed, and the valve member in the other first cylinder 301 is opened, so that the exhaust gas in the furnace body 1 is caused to be discharged from the standby channel, and the filter plate assembly 3032 with a low filtration rate is replaced;

[0055] S4, repeating steps S1 to S3, so that the gas pressure information in the furnace body 1 and the wind speed difference information on both sides of the filter plate assembly 3032 are both within the corresponding thresholds.

[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A molten channel type zinc flake melting and casting furnace for a zinc ingot production line, comprising a furnace body (1) and a feeding assembly (4) mounted on the furnace body (1) for feeding, characterized in that: Also includes: A stirring assembly (2) is installed on the furnace body (1) and is used to stir the material in the furnace body (1); An exhaust gas treatment mechanism (3) is installed on the furnace body (1) and is used to filter exhaust gas generated by heating materials in the furnace body (1); The waste gas treatment mechanism (3) is provided with two groups, and the waste gas treatment mechanism (3) comprises a first cylinder (301) and a three-way piece (302), the two first cylinders (301) are fixedly connected to the furnace body (1) and are connected to the furnace body (1), a first valve member is installed in the first cylinder (301), the two air inlet ends of the three-way piece (302) are installed correspondingly to the air outlet ends of the first cylinder (301), and also comprises a filter cleaning component (303), the filter cleaning component (303) comprises an annular mounting plate (3031), a filter plate assembly (3032), (3033) and a screw rod (3031). 034), the annular mounting plate (3031) is fixedly mounted in the first cylinder (301), the filter plate assembly (3032) is mounted on the annular mounting plate (3031) via a floating assembly (3033), one end of the screw rod (3034) is rotatably connected to the filter plate assembly (3032), the screw rod (3034) is threadedly connected to an annular push frame (3035) that slidably cooperates with a limiting groove (3037) provided on the first motor (201), and the first cylinder (301) is also equipped with a driving assembly (304) for driving the screw rod (3034) to rotate and linearly move.

2. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 1, characterized in that: The floating assembly (3033) includes a guide column (30331), a baffle (30332) and a second cylinder (30333); the guide column (30331) is slidably matched with the second cylinder (30333) embedded and mounted on the annular mounting plate (3031); one end of the guide column (30331) extending into the second cylinder (30333) is fixedly connected with the baffle (30332); the baffle (30332) is slidably matched with the second cylinder (30333); a second elastic member is arranged in the second cylinder (30333); the second elastic member is fixedly connected with the baffle (30332) and the second cylinder (30333).

3. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 2, characterized in that: The driving assembly (304) comprises a first support frame (3041), a first mounting cylinder (3042), a second mounting cylinder (3043), a second motor (3044), a first crown gear (3045), a second crown gear (3046), a first elastic member (3047), a rotating ring (3048) and a ratchet (3049), wherein the first mounting cylinder (3042) is mounted on the first support frame (3041) fixedly connected to the first cylinder (301), the second mounting cylinder (3043) is threadedly connected to the first support frame (3041), the second motor (3044) is detachably mounted in the second mounting cylinder (3043), and the output shaft of the second motor (3044) is rotatably connected to the second mounting cylinder (3043). The first crown gear (3045) is fixedly connected to the first mounting cylinder (3043), the second crown gear (3046) is fixedly connected to the second mounting cylinder (3043), the second crown gear (3046) is meshed with the annular push frame (3035), the ratchet (3049) is mounted on the first mounting cylinder (3042), the second mounting cylinder (3043) is provided with a limiting sliding groove that slidably cooperates with a limiting sliding block fixedly connected to the inner ring of the ratchet (3049), the first elastic member (3047) is sleeved on the screw rod (3034) and both ends of the first elastic member (3047) are fixedly connected with a rotating ring (3048), and the two rotating rings (3048) are correspondingly rotatably connected to the second crown gear (3046) and the first mounting cylinder (3042).

4. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 3, characterized in that: The first cylinder (301) is provided with a leakage hole (3036) for discharging waste materials, and a second valve member is installed in the leakage hole (3036).

5. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 1, characterized in that: The stirring assembly (2) comprises a first motor (201), a rotating shaft (202) and a stirring blade assembly (203); the first motor (201) is detachably mounted on the furnace body (1); the rotating shaft (202) is rotatably connected to the furnace body (1); the stirring blade assembly (203) is mounted at the lower end of the rotating shaft (202); the stirring blade assembly (203) comprises a mounting rod (2031) and a disturbance rod (2032); the mounting rod (2031) is arc-shaped and fits the bottom of the furnace body (1); a plurality of disturbance rods (2032) are provided and are evenly mounted on the mounting rod (2031); and the mounting rod (2031) is fixedly connected to the rotating shaft (202).

6. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 1, characterized in that: The feed assembly (4) comprises a feed barrel (401) and a valve component (402); the feed barrel (401) is fixedly mounted on the furnace body (1), and the valve component (402) is mounted inside the feed barrel (401).

7. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 4, characterized in that: It also includes a detection component for detecting the internal pressure information of the furnace body (1) and the wind speed difference information on both sides of the filter plate assembly (3032).

8. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 7, characterized in that: The detection component comprises: An air pressure sensor is installed in the furnace body (1) and is used to detect pressure information in the furnace body (1); Two wind speed sensors are provided and are correspondingly mounted on both sides of the filter plate assembly (3032) and are used to detect wind speed difference information on both sides of the filter plate assembly (3032).

9. The trough type zinc sheet melting and casting furnace for zinc ingot production line according to claim 1, characterized in that: A heating element (5) for heating the interior of the furnace body (1) is embedded in the side wall of the furnace body (1).

10. The method for using the trough type zinc sheet melting and casting furnace for a zinc ingot production line according to claim 8, characterized in that: The following steps are involved: S1. Using an air pressure sensor to detect air pressure information in the furnace body (1), and using two wind speed sensors to obtain wind speed difference information on both sides of the filter plate assembly (3032); S2. When any one of the acquired air pressure information and wind speed difference information is not within the preset corresponding threshold value, the second motor (3044) is turned on to rotate forward, and the first crown gear (3045) drives the second crown gear (3046) to drive the screw rod (3034) to perform linear reciprocating motion in the horizontal direction, and the screw rod (3034) drives the filter plate assembly (3032) to collide with the annular mounting plate (3031) to achieve vibration and impurity removal processing of the filter plate assembly (3032); S3, after the preset vibration time, the second motor (3044) is driven to reverse, the first crown gear (3045) drives the second crown gear (3046) to drive the screw rod (3034) to rotate in the horizontal direction, and the screw rod (3034) drives the annular push frame (3035) to slide along the limit groove (3037), scraping the waste dropped by the filter plate assembly (3032) and guiding it into the leakage hole (3036) and then discharged from the first cylinder (301); if after the preset vibration time, any one of the obtained air pressure information and wind speed difference information is still not within the corresponding preset threshold value, the first valve member in the first cylinder (301) is closed, and the valve member in the other first cylinder (301) is opened, so that the waste gas in the furnace body (1) is discharged from the standby channel, and the filter plate assembly (3032) with a low filtration rate is replaced; S4, repeating steps S1 to S3, so that the gas pressure information in the furnace body (1) and the wind speed difference information on both sides of the filter plate assembly (3032) are both within corresponding thresholds.

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