A galvanized zinc pot exhaust treatment device

Abstract

The application relates to a galvanizing zinc pot waste gas treatment device, which comprises a rack arranged on the upside of a galvanizing zinc pot and a gas collecting hood fixedly connected to the rack, strip-shaped hole plates are arranged on the two sides of the galvanizing zinc pot, an exhaust device is arranged on the top of the gas collecting hood, a hoisting device is arranged in the gas collecting hood, an exhaust partition plate is arranged on one side of the rack of the strip-shaped hole plate, the exhaust partition plate is slidably connected with the rack, two groups of exhaust baffle devices are arranged on the top of the hoisting device on the two sides respectively, and opening devices for opening the exhaust partition plate and the exhaust baffle devices are arranged at the two ends of the rack above the strip-shaped hole plate; the application has the technical effect that the device can keep high-efficiency operation under different working conditions.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial waste gas treatment, in particular to a galvanizing zinc pot waste gas treatment device. BACKGROUND

[0002] In modern industrial production, hot-dip galvanizing process as an efficient metal surface corrosion protection technology is widely used in many fields such as construction, transportation, machinery manufacturing, etc. Through immersing metal workpieces into high-temperature zinc pot, the process makes zinc liquid form a dense zinc layer on the surface of the workpiece, so as to achieve the purpose of corrosion protection.

[0003] However, in the galvanizing process, the galvanizing zinc pot is continuously in a high-temperature state, and zinc liquid evaporation, workpiece surface impurity volatilization, etc. will produce a large amount of waste gas containing zinc dust, zinc oxide, acid gas and organic pollutants. The existing galvanizing zinc pot waste gas treatment device on the market has many deficiencies. Some devices use simple gas collection hoods with single filtering methods, which have poor removal effect on fine particulate matter and harmful gases, and are difficult to meet the increasingly strict environmental emission standards. At the same time, the traditional device has a complex structure, lacks effective linkage between components, has great difficulty in maintenance and repair, has long equipment downtime, and seriously affects the production efficiency and economic benefits of enterprises.

[0004] According to the related technology in the above, the inventors believe that there is a defect of insufficient production adaptability. SUMMARY

[0005] In order to solve the above technical problems, the present application provides a galvanizing zinc pot waste gas treatment device.

[0006] The galvanizing zinc pot waste gas treatment device provided by the present application adopts the following technical scheme:

[0007] A galvanizing zinc pot waste gas treatment device, comprising a rack arranged on the upper side of a galvanizing zinc pot and a gas collection hood fixedly connected to the rack, strip-shaped hole plates are arranged on both sides of the galvanizing zinc pot, an exhaust device is arranged on the top of the gas collection hood, a lifting device is arranged inside the gas collection hood, an exhaust partition plate is arranged on one side of the rack of the strip-shaped hole plate, the exhaust partition plate is slidably connected to the rack, a plurality of exhaust baffle devices are arranged on both sides of the top of the lifting device, and opening devices for opening the exhaust partition plate and the exhaust baffle devices are arranged at both ends of the rack above the strip-shaped hole plate.

[0008] By adopting the technical scheme, the zinc pot is fixedly connected at the bottom of the rack, strip hole plates are arranged at both sides of the zinc pot, and the strip hole plates play a certain guiding role on airflow in the waste gas treatment process, the gas collecting hood is fixedly connected to the rack above the zinc pot, and the gas collecting hood can effectively collect waste gas generated by the zinc pot, an exhaust device is arranged at the top of the gas collecting hood, the collected waste gas can be treated and discharged, a lifting device is arranged in the gas collecting hood, the lifting device is used for lifting operation on related equipment or workpieces in the production process, an exhaust partition plate is arranged on the rack at one side of the strip hole plate, the exhaust partition plate is in sliding connection with the rack, the exhaust path and flow of the waste gas are adjusted, a plurality of exhaust baffle devices are arranged at both sides of the top of the lifting device, the exhaust baffle devices block and guide the waste gas, opening devices are arranged at both ends of the rack above the strip hole plate, the exhaust partition plate and the exhaust baffle devices can be synchronously opened through mechanical linkage design of the opening devices, workpiece lifting and waste gas treatment are integrated, intelligent dynamic production adaptation technology is realized, waste gas treatment parameters can be adjusted in real time according to workpiece size, production rhythm and the like, and the device can maintain efficient operation under different working conditions.

[0009] Preferably, two groups of first lifting devices are arranged between the gas collecting hood and the rack, the two groups of first lifting devices are respectively installed at both sides of the gas collecting hood, the first lifting device comprises a first winding device and a first steel wire, the first winding device is fixedly connected to the rack, one end of the first steel wire is fixedly connected to the first winding device, and the other end of the first steel wire is detachably connected to the gas collecting hood.

[0010] By adopting the technical scheme, the first lifting device can quickly lift the gas collecting hood, the first winding device controls winding and unwinding of the first steel wire to realize precise lifting, the first lifting device can flexibly adjust the distance between the gas collecting hood and the zinc pot as required, the gas collecting hood is lifted when large workpieces are treated to leave sufficient space for workpiece lifting and machining, and the height of the gas collecting hood is reduced when small workpieces are treated to enhance the collection effect of the waste gas.

[0011] Preferably, the lifting device comprises a plurality of second lifting devices, a lifting platform, a plurality of first rotary hinges and two rotary plates, the plurality of second lifting devices are installed in the gas collecting hood and on the lifting platform, the second lifting device comprises a second winding device and a second steel wire, the second winding device is detachably connected to the inside of the gas collecting hood, one end of the second steel wire is fixedly connected to the second winding device, and the other end of the second steel wire is fixedly connected to the lifting platform, the lifting platform is provided with an exhaust hole, the two rotary plates are respectively installed on both sides of the lifting platform through the plurality of first rotary hinges, and the rotary plates are in rotary connection with the lifting platform.

[0012] By adopting the technical scheme, the second winding device and the second steel wire can be flexibly adjusted in hoisting force and layout according to the weight and size of the workpiece to be hoisted, the exhaust hole arranged on the hoisting platform enables the exhaust gas to smoothly pass through the hoisting platform, and the collection and discharge of the exhaust gas are avoided from being affected by the hoisting platform, and the rotating plates on both sides of the hoisting platform are rotatably connected to the hoisting platform through the first rotating hinges.

[0013] Preferably, the exhaust baffle device comprises two groups of push-pull devices, a sliding baffle and two groups of first linear guides, the two groups of push-pull devices are respectively arranged at two ends of the sliding baffle and the rotating plate, the push-pull device comprises a first hinge, a second hinge and a connecting rod, the two groups of first linear guides are respectively arranged on both sides of the hoisting platform through bolts, the sliding baffle is arranged on the two groups of first linear guides and is slidably connected to the first linear guides, one end of the connecting rod is fixedly connected to the rotating plate through the first hinge, and the other end of the connecting rod is fixedly connected to the sliding baffle through the second hinge.

[0014] By adopting the technical scheme, the sliding baffle and the two groups of first linear guides are matched, so that the sliding baffle can be flexibly slid on the guide rails, the movement of the sliding baffle can effectively guide the exhaust gas to flow to the exhaust device at the top of the gas collecting hood, the connecting rod is connected to the rotating plate and the sliding baffle through the first hinge and the second hinge respectively, when the rotating plate rotates due to the adjustment of the position, the connecting rod drives the sliding baffle to move synchronously, and the size of the exhaust hole at the exhaust passage is automatically adjusted.

[0015] Preferably, the middle part of the hoisting platform is provided with an electromagnetic adsorption device for adsorbing the sliding baffles on both sides of the hoisting platform, and the electromagnetic adsorption device is detachably connected to the hoisting platform.

[0016] By adopting the technical scheme, the electromagnetic adsorption device can stably adsorb the sliding baffle, and can firmly fix the sliding baffle at the ideal position, when the exhaust hole needs to be closed, the electromagnetic adsorption device controls the electromagnetic to be closed, the rotating plate can rotate relying on the gravity, drives the connecting rod to drive the sliding baffle to reset, and the exhaust hole is blocked by the sliding baffle.

[0017] Preferably, the opening device comprises a supporting rod, a rotating rod, a moving block and a second rotating hinge, one end of the supporting rod is fixedly connected to the rack, the other end of the supporting rod is rotatably connected to the middle part of the rotating rod, the moving block is arranged on one end of the rotating rod close to the exhaust baffle, the moving block is slidably connected to the rotating rod, and the moving block is connected to the top end of the exhaust baffle through the second rotating hinge.

[0018] By adopting the above technical scheme, the lever principle is used at one end of the rotating rod to drive the moving block to slide on the rotating rod, and then the second rotating hinge drives the exhaust baffle to open or close, the other end of the rotating rod is in contact with the rotating plate of the hoisting device, the rotating rod is contacted with the rotating plate at the other end of the rotating rod, the rotating plate is contacted with the rotating rod at the other end of the rotating rod, and the rotating rod is contacted with the rotating plate at the other end of the rotating rod.

[0019] Preferably, the exhaust baffle is provided with two groups of sliding mechanisms on both sides, each group of the sliding mechanism comprises a second linear guide rail, a sliding block, two groups of limiting blocks and a locking device, the second linear guide rail is installed on the rack through bolts, the sliding block is installed on the second linear guide rail, the sliding block is in sliding connection with the second linear guide rail, the two groups of limiting blocks are fixedly connected at both ends of the second linear guide rail, the bottom of the second linear guide rail is provided with a locking hole, and the locking device is arranged in the locking hole.

[0020] By adopting the above technical scheme, the second linear guide rail provides high-precision sliding guide for the sliding block, the sliding connection of the sliding block and the second linear guide rail adjusts the position of the intake baffle, and the limiting blocks at both ends can effectively prevent the sliding block from sliding out of the guide rail, and the locking device can fix the sliding block in the locking hole of the second linear guide rail to ensure the position of the exhaust baffle.

[0021] Preferably, the locking device comprises a wedge block, a hydraulic push rod, a reset spring and a base, the hydraulic push rod base is bolted on the rack on one side of the second linear guide rail, one end of the base is fixedly connected with the working end of the hydraulic push rod, and the other end of the reset spring is connected with the wedge block when the reset spring is in a natural state.

[0022] By adopting the above technical scheme, the hydraulic push rod drives the base and the wedge block to link, the unique slope design of the wedge block generates strong friction and pullout resistance after the wedge block is inserted into the locking hole of the second linear guide rail, the reset spring is connected with the wedge block, the wedge block is pressed into the linear guide rail when the sliding block directly pushes the wedge block through the locking hole, and the wedge block is popped out of the locking hole by the reset spring when the sliding block slides through the locking device, and the hydraulic push rod pulls out the wedge block when the sliding mechanism is reset.

[0023] Preferably, the rack on one side of the exhaust baffle is provided with an air suction device, the air suction device comprises an air suction cover, a wind pipe and a centrifugal fan, the centrifugal fan is connected with the air suction cover through the wind pipe, the air suction cover is fixedly connected to the rack above one side of the exhaust baffle, and the base of the centrifugal fan is installed on the rack through bolts.

[0024] By adopting the technical scheme, the air suction cover is fixed on the frame above one side of the air inlet partition, accurately capturing the exhaust gas escaping from the gap or periphery of the air inlet partition, preventing the exhaust gas from spreading in the workshop, the centrifugal fan is connected with the air suction cover through the air pipe, strong suction force is generated, the exhaust gas can be quickly sucked into the treatment system, and the air suction device cooperates with the air collecting cover, the exhaust device and the like to form a three-dimensional exhaust gas collection network.

[0025] Preferably, the exhaust device comprises an exhaust pipe and a filter fixedly connected at the outlet of the exhaust pipe, and the exhaust pipe is fixedly connected at the top of the air collecting cover.

[0026] By adopting the technical scheme, the exhaust pipe is fixedly connected at the top of the air collecting cover, ensuring stable flow of the exhaust gas in the pipeline, and the filter is installed at the outlet of the exhaust pipe, so that the exhaust gas collected and preliminarily treated by the air collecting cover can be subjected to secondary deep purification.

[0027] In summary, the present application has at least one of the following beneficial technical effects:

[0028] The cooperation of the sliding baffle and the two groups of first linear guides enables the sliding baffle to flexibly slide on the guides, the movement of the sliding baffle can effectively guide the exhaust gas to flow to the exhaust device at the top of the air collecting cover, the connecting rod is connected with the rotating plate and the sliding baffle through the first hinge and the second hinge respectively, when the rotating plate rotates due to position adjustment, the connecting rod drives the sliding baffle to synchronously move, and the size of the exhaust hole at the exhaust gas passage is automatically adjusted.

[0029] By using the lever principle at one end of the rotating rod, the moving block can be driven to slide on the rotating rod, and then the exhaust partition plate is driven to open or close through the second rotating hinge, the other end of the rotating rod is in contact with the rotating plate of the hoisting device, the rotating rod and the contact part of the rotating plate are turned downward by lowering the hoisting device, the rotating rod drives the exhaust partition plate to slide upward at the position of the moving block, when the exhaust partition plate is fixed at the top end, the rotating rod cannot be turned, the rotating rod drives the rotating plate to turn upward, and the connecting rod drives the sliding baffle to move to open the exhaust hole. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic view of the overall structure in the embodiment.

[0031] Figure 2 is a schematic view of the structure of the first lifting device and the inside of the air collecting cover in the embodiment.

[0032] Figure 3 is a schematic view of the structure of the hoisting device and the exhaust baffle device in the embodiment.

[0033] Figure 4 is a schematic view of the structure of the opening device and the exhaust partition plate in the embodiment.

[0034] Figure 5 is a structural schematic diagram of the locking device in the embodiment.

[0035] Reference signs: 1, rack; 11, gas collecting cover; 2, galvanizing zinc pot; 21, strip-shaped hole plate; 3, first lifting device; 31, first winding device; 32, first steel wire; 4, hoisting device; 41, second lifting device; 411, second winding device; 412, second steel wire; 42, hoisting platform; 421, exhaust hole; 43, first rotary hinge; 44, rotary plate; 45, electromagnetic adsorption device; 5, exhaust baffle device; 51, push-pull device; 511, first hinge; 512, second hinge; 513, connecting rod; 52, sliding baffle; 53, first linear guide rail; 6, opening device; 61, supporting rod; 62, rotary rod; 63, moving block; 64, second rotary hinge; 7, exhaust partition plate; 71, sliding mechanism; 711, second linear guide rail; 712, sliding block; 713, limiting block; 714, locking device; 7141, wedge-shaped block; 7142, hydraulic push rod; 7143, reset spring; 7144, base; 715, locking hole; 8, air suction device; 81, air suction cover; 82, air pipe; 83, centrifugal fan; 9, exhaust device; 91, exhaust pipe; 92, filter. DETAILED DESCRIPTION

[0036] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is further described in detail.

[0037] The embodiment of the application discloses a galvanizing zinc pot waste gas treatment device. Figure 1 and Figure 2, including rack 1, fixedly connected to the bottom of the zinc pot 2 and zinc pot 2 above the fixed connection in the hood 11, the hood 11 and the rack 1 between the first set of lifting device 3, two groups of first lifting device 3 are installed on both sides of the hood 11, the first lifting device 3 includes the first winding device 31 and the first steel wire 32, the first winding device 31 is a winch, the first steel wire 32 is fixedly connected to one end of the hood 11, the other end of the first steel wire 32 is fixedly connected to the first winding device 31, the first winding device 31 is connected to the rack 1 by bolts, the first winding device 31 drives the hood 11 to move longitudinally by steel wire, so that the hood 11 covers the zinc pot 2, the top of the zinc pot 2 is provided with a strip hole plate 21, the rack 1 on one side of the strip hole plate 21 is provided with an exhaust baffle 7, the exhaust baffle 7 is slidably connected with the rack 1, the exhaust baffle 7 is lifted by the opening device 6 provided on the rack 1 at the top of the strip hole plate 21, the inside of the hood 11 is provided with a lifting device 4, the lifting device 4 includes a second lifting device 41, a lifting platform 42, a plurality of first rotating hinges 43 and two groups of rotating plates 44, the second lifting device 41 includes a second winding device 411 and a second steel wire 412, the second winding device 411 is a winch, the second winding device 411 is fixedly connected with the hood 11, the second winding device 411 is connected with the lifting platform 42 through the second steel wire 412, the lifting platform 42 is provided with an exhaust hole 421, the two groups of rotating plates 44 are rotatably connected with both ends of the lifting platform 42 through the plurality of first rotating hinges 43, the exhaust baffle device 5 is arranged on the lifting platform 42 and the rotating plate 44, the rotating plate 44 drives the exhaust baffle device 5 to move through the opening device 6, the rack 1 on one side of the exhaust baffle 7 is provided with an air suction device 8, the air suction device 8 includes an air suction hood 81, a wind pipe 82 and a centrifugal fan 83, the centrifugal fan 83 is connected with the air suction hood 81 through the wind pipe 82, the air suction hood 81 is fixedly connected to the rack 1 above one side of the exhaust baffle 7, the base of the centrifugal fan 83 is installed on the rack 1 by bolts, which can quickly suck the exhaust gas into the treatment system, the exhaust device 9 includes an exhaust pipe 91 and a filter 92 fixedly connected to the outlet of the exhaust pipe 91.

[0038] Referring to Figure 3, two exhaust baffle device 5 are installed in the rotating plate 44 on both sides, exhaust baffle device 5 includes two sets of push-pull device 51, sliding baffle 52 and two sets of first linear guide rail 53, two sets of push-pull device 51 are installed in the sliding baffle 52 and the two ends of the rotating plate 44, push-pull device 51 includes first hinge 511, second hinge 512 and connecting rod 513, connecting rod 513 is installed on the adapter plate through the first hinge 511, the first hinge 511 is fixedly connected with the rotating plate 44, the first hinge 511 is rotatably connected with the connecting rod 513, the other end of the connecting rod 513 is connected to the sliding baffle 52 through the second hinge 512, two sets of first linear guide rail 53 are connected by bolts on both ends of the hoisting platform 42, the sliding baffle 52 is slidably connected with the two sets of first linear guide rail 53, when the rotating plate 44 rotates upward, the connecting rod 513 is driven to make the sliding baffle 52 slide to the middle of the hoisting platform 42 to open the exhaust hole 421, the electromagnetic adsorption device 45 arranged in the middle part of the hoisting platform 42 works to attract the two sides of the sliding baffle 52 close to each other, keeping the exhaust hole 421 in the open state, while the electromagnetic adsorption device 45 can be controlled to close the sliding baffle 52 to reset.

[0039] Referring to Figure 4 , the opening device 6 includes a support rod 61, a rotating rod 62, a moving block 63 and a second rotating hinge 64, two sets of opening device 6 are installed on both ends of the rack 1 above the strip hole plate 21, one end of the support rod 61 is fixedly connected to the rack 1, the center part of the rotating rod 62 is rotatably connected to the other end of the support rod 61, the moving block 63 is slidably connected to one end of the rotating rod 62, the second rotating hinge 64 is fixedly connected to the moving block 63, and the second rotating hinge 64 is connected with the exhaust partition plate 7, when the other end of the rotating rod 62 is lowered by the hoisting device 4, the rotating plate 44 is in contact with the rotating rod 62 to make the rotating plate 44 rotate downward, the other end of the rotating plate 44 passes through the moving block 63 and cooperates with the second rotating hinge 64 to lift the exhaust partition plate 7 up, two sets of sliding mechanisms 71 are arranged on both sides of the exhaust partition plate 7, the sliding mechanism 71 includes a second linear guide rail 711, a sliding block 712, a plurality of limiting blocks 713 and a locking device 714, the top of the second linear guide rail 711 is provided with a locking hole 715, the second linear guide rail 711 is connected with the rack 1 by bolts, the sliding block 712 is slidably connected with the second linear guide rail 711, the exhaust partition plate 7 is fixedly connected between the sliding blocks 712 in the two sets of sliding mechanisms 71, the limiting blocks 713 are installed at both ends of the second linear guide rail 711, when the sliding block 712 reaches the limiting block 713, the rotating rod 62 cannot rotate downward, and the hoisting device 4 in contact with the rotating rod 62 continues to descend, wherein the rotating plate 44 is rotated by the upward thrust of the rotating rod 62, the rotating drive connecting rod 513 pushes away the sliding baffle 52 to open the exhaust hole 421.

[0040] Referring to Figure 5The locking device 714 in the sliding mechanism 71 includes a wedge block 7141, a hydraulic push rod 7142, a reset spring 7143, and a base 7144. The locking device 714 prevents the exhaust baffle 7 from falling back when the rotating rod 62 is not subjected to the downward force of the hoisting device 4. The hydraulic push rod 7142 is bolted to the rack 1 on one side of the second linear guide rail 711. One end of the base 7144 is fixedly connected to the working end of the hydraulic push rod 7142. One end of the reset spring 7143 is connected to the other end of the base 7144. The other end of the reset spring 7143 is connected to the wedge block 7141. The wedge block 7141 is installed at the locking hole 715. When the sliding block 712 passes through the wedge block 7141, the sliding block 712 is caused to slide to the top of the second linear guide rail by the shape of the wedge block 7141 and the cooperation of the reset spring 7143. The reset spring 7143 pushes the wedge block 7141 to reset and press against the sliding block 712 below to prevent the sliding block 712 from sliding down. When it is necessary to slide the sliding block 712 downward, the hydraulic push rod 7142 drives the wedge block 7141 to retract into the locking hole 715, so that the sliding block 712 slides on the second linear guide rail 711.

[0041] The working principle of the zinc pot 2 exhaust treatment device in the application is as follows: two groups of first winding devices 31 are installed on the two sides of the rack 1 and connected by a first steel wire 32 to connect the gas collecting hood 11; when the first winding device 31 is started, the first steel wire 32 drives the gas collecting hood 11 to move up and down along the longitudinal direction; when it is needed to collect exhaust gas, the first winding device 31 drives the gas collecting hood 11 to descend until it completely covers the top of the zinc pot 2; strip-shaped hole plates 21 are arranged on the two sides of the top of the zinc pot 2; opening devices 6 are installed on the two ends of the rack 1 above the strip-shaped hole plates 21; when the hoisting device 4 descends, the rotating plate 44 contacts the rotating rod 62 of the opening device 6, drives the rotating rod 62 to rotate, the moving block 63 at one end of the rotating rod 62 pulls the exhaust partition plate 7 through the second rotating hinge 64, and the exhaust partition plate 7 slides upward along the second linear guide rail 711 to open the strip-shaped hole plate 21 to allow exhaust gas to pass through; when the exhaust partition plate 7 rises to the position of the limiting block 713, the locking device 714 in the sliding mechanism 71 pushes the wedge-shaped block 7141 against the sliding block 712 through the reset spring 7143, so that the exhaust partition plate 7 is prevented from falling back; when it is needed to reset, the hydraulic push rod 7142 is retracted to drive the wedge-shaped block 7141 to move away from the locking hole 715, so that the sliding block 712 can slide downward along the guide rail; a plurality of second winding devices 411 in the gas collecting hood 11 are connected to the hoisting platform 42 through a second steel wire 412, so that the hoisting platform 42 can be controlled to move up and down; the hoisting platform 42 is connected to the rotating plate 44 through the first rotating hinge 43 at the two ends; when the hoisting device 4 descends, the rotating plate 44 first contacts the rotating rod 62 and drives the rotating rod 62 to rotate downward, and then the rotating rod 62 is continuously pressed downward to the limit, so that the rotating plate 44 rotates upward; when the rotating plate 44 rotates upward, the driving connecting rod 513 pushes the sliding baffle 52, so that the sliding baffle 52 slides along the first linear guide rail 53 to the middle of the hoisting platform 42, the exhaust hole 421 on the hoisting platform 42 is opened, and the electromagnetic adsorption device 45 in the middle of the hoisting platform 42 works after the exhaust hole 421 is opened, so that the exhaust hole 421 is kept in an open state; when the electromagnetic adsorption device 45 is closed, the sliding baffle 52 is reset to close the exhaust hole 421 under the action of the gravity of the rotating plate 44; the centrifugal fan 83 of the air suction device 8 is connected to the air suction hood 81 through the air pipe 82; when the centrifugal fan 83 operates, strong suction is generated, the exhaust gas is transported to the treatment system through the strip-shaped hole plate 21, and the residual exhaust gas enters the exhaust pipe 91 through the top of the gas collecting hood 11; the filter 92 at the outlet of the exhaust pipe 91 purifies the exhaust gas to meet the emission standard.

[0042] The above are preferred embodiments of the application, which do not limit the protection scope of the application; therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A galvanizing zinc pot off-gas treatment device characterized by: The utility model provides a kind of zinc-plating zinc pot and its lifting device, including the rack (1) being arranged on the upper side of zinc-plating zinc pot (2) and the fume hood (11) fixedly connected to the rack, zinc-plating zinc pot (2) both sides are provided with strip hole plate (21), the fume hood (11) top is provided with exhaust device (9), the fume hood (11) inside is provided with hoisting device (4), hoisting device (4) includes hoisting platform (42), two groups of rotating plate (44);Hoisting platform (42) is provided with exhaust hole (421) on the rack (1) of strip hole plate (21) side;Hoisting device (4) top both sides are provided with two groups of exhaust baffle device (5), exhaust baffle device (5) includes two groups of push-pull device (51), sliding baffle (52), push-pull device (51) includes connecting rod (513);The both ends of the rack (1) above strip hole plate (21) are provided with opening device (6) that opens exhaust baffle (7) and exhaust baffle device (5), opening device (6) includes rotating rod (62), moving block (63);Hoisting device (4) drops and makes rotating rod (62) and rotating plate (44) contact place downward rotation, rotating rod (62) installs moving block (63) and rotates and drives exhaust baffle (7) to slide upwards, when exhaust baffle (7) slides to top fixed, rotating rod (62) cannot rotate, rotating rod (62) makes rotating plate (44) upward rotation and drives connecting rod (513) and makes sliding baffle (52) move and open exhaust hole (421).

2. A device for treating off-gases from a galvanizing pot according to claim 1, characterized in that: The fume hood (11) and the rack (1) are provided with two groups of first lifting devices (3), and the two groups of first lifting devices (3) are respectively installed on the both sides of the fume hood (11). The first lifting device (3) includes a first winding device (31) and a first steel wire (32). The first winding device (31) is fixedly connected to the rack (1). One end of the first steel wire (32) is fixedly connected to the first winding device (31), and the other end of the first steel wire (32) is detachably connected to the fume hood (11).

3. The device for treating off-gas from a galvanizing pot according to claim 1, characterized in that: The hoisting device (4) further includes a plurality of second lifting devices (41) and a plurality of first rotating hinges (43). The plurality of second lifting devices (41) are installed inside the fume hood (11) and on the hoisting platform (42). The second lifting device (41) includes a second winding device (411) and a second steel wire (412). The second winding device (411) is detachably connected inside the fume hood (11). One end of the second steel wire (412) is fixedly connected to the second winding device (411), and the other end of the second steel wire (412) is fixedly connected to the hoisting platform (42). The two rotating plates (44) are respectively installed on the both sides of the hoisting platform (42) through the plurality of first rotating hinges (43). The rotating plate (44) is rotatably connected to the hoisting platform (42).

4. The apparatus for treating off-gas from a galvanizing pot according to claim 1, wherein: The exhaust baffle device (5) further comprises a sliding baffle (52) and two groups of first linear guides (53), two groups of the push-pull devices (51) are respectively installed at two ends of the sliding baffle (52) and the rotating plate (44), the push-pull device (51) further comprises a first hinge (511), a second hinge (512), two groups of the first linear guides (53) are respectively installed on both sides of the hoisting platform (42) through bolts, the sliding baffle (52) is installed on the two groups of first linear guides (53), the sliding baffle (52) is in sliding connection with the first linear guides (53), one end of the connecting rod (513) is fixedly connected to the rotating plate (44) through the first hinge (511), the other end of the connecting rod (513) is fixedly connected to the sliding baffle (52) through the second hinge (512).

5. The apparatus for treating off-gas from a galvanizing pot according to claim 3, wherein: The middle part of the hoisting platform (42) is provided with an electromagnetic adsorption device (45) for adsorbing the sliding baffles (52) on both sides of the hoisting platform (42), and the electromagnetic adsorption device (45) is detachably connected with the hoisting platform (42).

6. The apparatus for treating off-gas from a galvanizing pot according to claim 1, wherein: The opening device (6) further comprises a supporting rod (61) and a second rotating hinge (64), one end of the supporting rod (61) is fixedly connected to the rack (1), the other end of the supporting rod (61) is rotatably connected to the middle part of the rotating rod (62), the moving block (63) is installed on one end of the rotating rod (62) close to the exhaust partition plate (7), the moving block (63) is in sliding connection with the rotating rod (62), and the moving block (63) is connected with the top end of the exhaust partition plate (7) through the second rotating hinge (64).

7. The apparatus for treating off-gas from a galvanizing pot according to claim 1, wherein: Two groups of sliding mechanisms (71) are arranged on both sides of the exhaust partition plate (7), each group of the sliding mechanisms (71) comprises a second linear guide (711), a sliding block (712), two groups of limiting blocks (713) and a locking device (714), the second linear guide (711) is installed on the rack (1) through bolts, the sliding block (712) is installed on the second linear guide (711), the sliding block (712) is in sliding connection with the second linear guide (711), the two groups of limiting blocks (713) are fixedly connected to two ends of the second linear guide (711), and the bottom of the second linear guide (711) is provided with a locking hole (715).

8. A device for treating off-gases from a galvanizing pot according to claim 7, characterized in that: The locking device (714) comprises a wedge block (7141), a hydraulic push rod (7142), a reset spring (7143) and a base (7144), the hydraulic push rod (7142) is bolted to the rack (1) on one side of the second linear guide (711), one end of the base (7144) is fixedly connected with the working end of the hydraulic push rod (7142), when the reset spring (7143) is in a natural state, one end of the reset spring (7143) is connected to the other end of the base (7144), and the other end of the reset spring (7143) is connected with the wedge block (7141).

9. The apparatus for treating off-gas from a galvanizing pot of claim 1, wherein: The rack (1) on one side of the exhaust partition (7) is provided with an air suction device (8), the air suction device (8) comprises an air suction cover (81), a wind pipe (82) and a centrifugal fan (83), the centrifugal fan (83) is connected with the air suction cover (81) through the wind pipe (82), the air suction cover (81) is fixedly connected on the rack (1) above one side of the exhaust partition (7), and the base of the centrifugal fan (83) is bolted on the rack (1).

10. The apparatus for treating off-gas from a galvanizing pot of zinc according to claim 1, characterized by: The exhaust device (9) comprises an exhaust pipe (91) and a filter (92) fixedly connected at the outlet of the exhaust pipe (91), and the exhaust pipe (91) is fixedly connected at the top of the air collecting cover (11).

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