Crystallization casting powder flue gas dust removal equipment

Abstract

The invention relates to the technical field of flue gas dust removal, and particularly discloses crystallization casting powder flue gas dust removal equipment. A moving part is installed in a shell in an up-down sliding mode, a filter plate and the moving part are connected and can synchronously ascend and descend, a water tank is arranged below the moving part, and a gas guide pipe is arranged at the bottom of the moving part and communicates with a second cavity; the bottom end of the movable plate extends into water liquid, the movable plate is slidably mounted in the tank body, the pressure valve is mounted on the tank body, the first elastic part is arranged between the movable plate and the tank body and can apply elastic force towards the fourth cavity to the movable plate, the third cavity is communicated with the fourth cavity when gas can be smoothly supplied to the filter plate, and the movable part moves downwards when the filter plate is blocked; the communicating position of the third cavity and the fourth cavity is blocked, and the second cavity communicates with the fourth cavity; when flue gas is normally filtered, the flue gas to be filtered does not need to stop entering the shell, the filter screen does not need to be detached, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of flue gas dust removal, and in particular to a crystallization protection slag flue gas dust removal device. Background Art

[0002] Existing protective slag production lines mostly use cyclone dust collectors to remove impurity dust mixed in the manufactured protective slag, that is, the centrifugal force generated by the rotation is used to separate the protective slag from the dust in the cyclone dust collector. However, in actual applications, it is found that since the existing cyclone dust collector is mainly used to separate high-quality protective slag, it cannot effectively settle the remaining dust. Therefore, the gas discharged by the cyclone dust collector when processing the protective slag will contain a large amount of dust. This dust will not only float and diffuse in the production workshop, thereby polluting the production environment, but also cause corresponding harm to the health of the production personnel.

[0003] The patent document with authorization announcement number CN208878186U discloses a water bath dust removal device for protecting slag; it includes a shell, the top of the shell is provided with an air inlet, and a water tank is provided at the bottom of the shell, and the shell is provided with a filter screen, a uniformly distributed water tray, an air flow duct and an air intake device from top to bottom, and the air flow duct includes a guide plate connected to the inner wall of the shell at one end and the air intake device at the other end; the patent has a simple structure, and the air intake head can narrow the air flow channel so that large particles of dust are dissolved in water. At the same time, the air guide cover can allow fine dust to fully contact the water surface of the water tank to prevent dust from spreading in the device, thereby improving the dust removal efficiency and dust removal quality; the air outlet is provided with a centrifugal dust removal device, and the dust removal effect is better through secondary dust removal.

[0004] Although the above technical solution can effectively adsorb and clean the dust in the flue gas, the filter will be clogged if the filter screen filters larger dust particles for a long time. After working for a certain period of time, the filter screen needs to be disassembled and cleaned, which is time-consuming and labor-intensive and will reduce work efficiency. Summary of the invention

[0005] The present invention provides a crystallization protection slag fume dust removal device, aiming to solve the problem in the related art that the filter screen needs to be disassembled and cleaned after filtering for a certain period of time, which reduces the work efficiency.

[0006] A crystal protective slag flue gas dust removal device, comprising a shell and a filter plate arranged in the shell, and also comprising a moving part, a water tank, an air duct and an air tank assembly, wherein the moving part is slidably installed in the shell up and down, the filter plate is connected to the moving part and the two can be raised and lowered synchronously, a first cavity is formed between the upper side of the filter plate and the shell, a second cavity is formed between the lower side of the filter plate and the moving part, an air inlet connected to the first cavity is provided on the shell, the water tank is provided below the moving part, and a third cavity for accommodating water is formed between the two, the air duct is provided at the bottom of the moving part, the air duct is connected to the second cavity, and its The bottom end extends into the water liquid, and the gas tank assembly includes a tank body, a movable plate, an elastic member and a pressure valve. The movable plate is slidably installed in the tank body, and the pressure valve is installed on the tank body. A fourth cavity corresponding to the pressure valve is formed between the movable plate and the tank body. The elastic member is arranged between the movable plate and the tank body, and can apply an elastic force toward the fourth cavity to the movable plate. When the filter plate can supply gas smoothly, the third cavity is connected with the fourth cavity. When the filter plate is blocked, the movable member will move downward to seal the connection between the third cavity and the fourth cavity, and make the second cavity connected with the fourth cavity.

[0007] The beneficial effects of the present invention are as follows: when the present invention performs normal filtering on the flue gas, a certain amount of compressed gas can be stored in the tank body. When the filter plate is blocked, the compressed gas in the tank body can backwash the filter plate, thereby flushing out the dust impurities blocked on the filter plate to achieve unblocking of the filter plate. In this process, there is no need to stop the flue gas to be filtered from entering the shell, nor is there any need to disassemble the filter screen, which is convenient to use and has a higher filtration efficiency.

[0008] Preferably, the tank body is provided with tube one and tube two connected with the fourth cavity, the tube one connects the fourth cavity with the third cavity, the movable part is provided with an air flow channel connected with the second cavity, and when the movable part moves downward a set distance, the movable part can block the tube one, and the air flow channel can be connected with the tube two.

[0009] Preferably, it also includes a reset component, which includes sleeve one, sleeve two, elastic member two and a rotating shaft, wherein sleeve one is fixedly installed at the center of the movable member, sleeve two is fixedly installed at the center of the water tank, and its upper end is movably connected with the lower end of sleeve one, elastic member two is arranged between sleeve one and sleeve two, and can elastically push sleeve one upward, the rotating shaft passes through the middle of the filter plate and movably fits in sleeve one, the rotating shaft and sleeve one are sealed and connected, and when the movable member moves downward a set distance, the rotating shaft can be disengaged from sleeve one.

[0010] Preferably, a latch is provided on the inner side of the water tank, and an elastic member three is provided between the latch and the water tank, and the elastic member three can elastically push the latch inward, and the inner end of the latch is a spherical surface, and a socket is provided on the movable member, and when the movable member moves downward a set distance, the latch can be inserted into the socket.

[0011] Preferably, it also includes a rotating component, which includes a rotating rod and a spiral blade. The rotating rod movably passes through the center of the rotating shaft, and its bottom end is located in the second sleeve. The rotating rod can rotate synchronously with the filter plate, and the spiral blade is fixedly installed at the bottom end of the rotating rod. The effect is that when the water in the second chamber is discharged, the rotating rod will be driven to rotate under the impact of the water flow, and the filter plate can be driven to rotate. At this time, the water in the second chamber will flush the filter plate, which can improve the cleaning effect of the filter plate.

[0012] Preferably, a nozzle is provided on the upper part of the movable member, and the nozzle can spray water onto the upper part of the filter plate. An annular groove is provided on the outer peripheral side of the rotating shaft. When the filter plate moves downward a set distance along with the movable member, the center of the filter plate moves down to the annular groove. The effect is that the nozzle is externally connected to a water supply device, and water is sprayed onto the upper part of the filter plate through the nozzle, so that impurities remaining on the upper part of the filter plate can be washed away.

[0013] Preferably, the upper surface of the filter plate is a concave structure, which has the effect of enabling better discharge of impurities on the upper part of the filter plate.

[0014] Preferably, the air guide tube is connected to the movable part in an up and down sliding manner, and an elastic part four is provided between the air guide tube and the movable part. The elastic part four can apply a downward elastic force to the air guide tube, and an opening one is provided at the bottom end of the air guide tube, which has the effect that the bottom end of the air guide tube can be inserted into a deeper position in the water tank, thereby ensuring the filtering efficiency of the water on the dust in the gas.

[0015] By adopting the above technical scheme, the beneficial effects of the present invention are as follows: when the present invention performs normal filtering on the flue gas, a certain amount of compressed gas can be stored in the tank body, and when the filter plate is blocked, the compressed gas in the tank body can backwash the filter plate, and the dust impurities blocked on the filter plate can be flushed out to achieve unblocking of the filter plate, and in this process, there is no need to stop the flue gas to be filtered from entering the shell, and there is no need to disassemble the filter screen, which is convenient to use and has higher filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0018] Figure 3 It is a schematic diagram of the installation structure of the moving part and the water tank of the present invention.

[0019] Figure 4 It is a structural schematic diagram of the moving part of the present invention.

[0020] Reference numerals: 1. Shell; 11. First cavity; 12. Second cavity; 13. Third cavity; 14. Air inlet; 2. filter plate; 3. moving part; 31. bottom plate; 32. annular part; 321. annular slot; 33. air flow channel; 34. nozzle; 4. water tank; 51. air guide tube; 511. opening one; 52. elastic part four; 61. Tank body; 62. movable plate; 63. elastic member 1; 64. pressure valve; 65. fourth chamber; 66. tube 1; 67. tube 2; 71. sleeve 1; 72. sleeve 2; 73. elastic member 2; 74. rotating shaft; 741. annular groove; 75. guide tube; 751. opening 2; 81. latch; 82. elastic member 3; 83. socket; 84. rotating rod; 85. spiral blade; 86. plug rod. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0022] like Figures 1 to 4 As shown, the crystallization protection slag flue gas dust removal equipment of an embodiment of the present invention includes a shell 1, a filter plate 2, a moving part 3, a water tank 4, an air guide pipe 51 and a gas tank assembly.

[0023] like Figures 2 to 4 As shown, the movable member 3 is slidably installed up and down in the shell 1, the filter plate 2 is connected to the movable member 3 and the two can be lifted and lowered synchronously, a first cavity 11 is formed between the upper side of the filter plate 2 and the shell 1, a second cavity 12 is formed between the lower side of the filter plate 2 and the movable member 3, and the shell 1 is provided with an air inlet 14 connected with the first cavity 11; specifically, the movable member 3 includes a bottom plate 31 and an annular member 32 sealed and fixedly connected to the outer peripheral side of the bottom plate 31, the annular member 32 is sealed and connected to the inner wall of the shell 1, and the annular member 32 can move up and down relative to the shell 1, the filter plate 2 is arranged above the bottom plate 31, and an annular groove 321 is provided on the inner side of the annular member 32, and the filter plate 2 is rotatably fitted in the annular groove 321.

[0024] like Figure 2As shown, the water tank 4 is arranged below the moving part 3, and a third cavity 13 for containing water is formed between the two. The air guide pipe 51 is arranged at the bottom of the moving part 3. The air guide pipe 51 is connected to the second cavity 12, and its bottom end extends into the water. There can be multiple air guide pipes 51, which are evenly distributed in the lower part of the bottom plate 31.

[0025] like Figures 2 to 4 As shown, the gas tank assembly includes a tank body 61, a movable plate 62, an elastic member 63 and a pressure valve 64. The movable plate 62 is slidably installed in the tank body 61, and the pressure valve 64 is installed on the tank body 61. A fourth cavity 65 corresponding to the pressure valve 64 is formed between the movable plate 62 and the tank body 61. The elastic member 63 is arranged between the movable plate 62 and the tank body 61, and can apply an elastic force toward the fourth cavity 65 to the movable plate 62. When the filter plate 2 can supply gas smoothly, the third cavity 13 is connected with the fourth cavity 65. When the filter plate 2 is blocked, the movable member 3 will move downward to block the connection between the third cavity 13 and the fourth cavity 65, and make the second cavity 12 connected with the fourth cavity 65.

[0026] Specifically, there are multiple gas tank assemblies, and the multiple gas tank assemblies are arranged along the circumference of the shell 1. The movable plate 62 is slidably installed in the tank body 61 up and down, and the pressure valve 64 is installed at the bottom of the tank body 61. A fourth cavity 65 is formed between the lower side of the movable plate 62 and the tank body 61. The elastic member 63 is a spring and is arranged on the upper side of the movable plate 62. The upper and lower ends of the elastic member 63 are respectively fixedly connected to the tank body 61 and the movable plate 62, and can elastically push the movable plate 62 downward. The tank body 61 is provided with a tube 1 66 and a tube 2 67 connected to the fourth cavity 65. The tube 1 66 connects the fourth cavity 65 with the third cavity 13. The movable member 3 is provided with an air flow channel 33 connected to the second cavity 12. When the movable member 3 moves downward a set distance, the movable member 3 can block the tube 1 66, and the air flow channel 33 can be connected with the tube 2 67.

[0027] When the filter plate 2 in the present invention can allow gas to pass smoothly, the pipe 1 66 connects the third chamber 13 and the fourth chamber 65, the moving part 3 blocks the pipe 2 67, one end of the air flow channel 33 is connected to the second chamber 12, and the other end is blocked by the inner wall of the shell 1. Water is stored in the water tank 4. At this time, the gas containing dust enters the first chamber 11 through the air inlet 14 of the shell 1, and the gas can pass through the filter plate 2 smoothly. Part of the dust in the gas will be filtered by the filter plate 2. The gas filtered by the filter plate 2 will enter the second chamber 12, and then pass through the air guide pipe 51 to the lower part of the water in the third chamber 13. When the gas passes from the water, During the upward movement of the lower part, the water can perform secondary filtering on the dust remaining in the gas. Since the tube 1 66 connects the third chamber 13 and the fourth chamber 65 at this time, the gas filtered by the water will enter the fourth chamber 65 through the tube 1 66. As the air pressure in the fourth chamber 65 gradually increases, the movable plate 62 will be pushed upward, and the elastic member 1 63 will be compressed. When the air pressure in the fourth chamber 65 increases to the set value, the pressure valve 64 will be opened. At this time, the filtered gas in the fourth chamber 65 will be discharged outward through the pressure valve 64, and in this process, a certain amount of compressed gas can be stored in the tank body 61.

[0028] When the filter plate 2 is clogged and the gas entering the first chamber 11 cannot pass through the filter plate 2 smoothly, as the gas continues to enter the first chamber 11, the air pressure in the first chamber 11 will gradually increase, and the filter plate 2 and the moving part 3 will be pushed downward synchronously. In this process, the water in the third chamber 13 will enter the second chamber 12 through the air guide pipe 51, and gradually immerse the filter plate 2, soaking the filter plate 2. When the moving part 3 moves downward a set distance, the moving part 3 will block the tube 1 66, and the air flow channel 33 will The fourth chamber 65 is connected with the second chamber 12, and the fourth chamber 65 is no longer connected with the third chamber 13. The compressed gas in the tank body 61 enters the second chamber 12 through the second pipe 67 and the air flow channel 33. The elastic member 1 63 pushes the movable plate 62 to move downward. At this time, the upper surface of the water is higher than the filter plate 2. The compressed gas entering the second chamber 12 moves upward to backwash the filter plate 2, and the dust impurities blocked on the filter plate 2 can be flushed out, thereby completing the dredging of the filter plate 2.

[0029] like Figure 2 and Figure 3As shown, the reset assembly includes a sleeve 71, a sleeve 72, an elastic member 73 and a rotating shaft 74. The sleeve 71 is vertically fixedly installed at the center of the movable member 3, and the upper end of the sleeve 71 is flush with the bottom plate 31 and communicated with the second cavity 12. The sleeve 72 is fixedly installed at the center of the water tank 4. The lower end of the sleeve 71 is movably inserted in the upper end of the sleeve 72. The elastic member 73 is arranged between the sleeve 71 and the sleeve 72. The elastic member 73 is a spring, and its upper and lower ends are respectively fixedly connected to the sleeve 71 and the sleeve 72. The elastic member 73 can elastically push the sleeve 71 upward. The rotating shaft 74 passes through the middle of the upper part of the filter plate 2 and is movably fitted in the sleeve 71. The rotating shaft 74 is fixedly connected to the housing 1, and the rotating shaft 74 and the sleeve 71 are sealed. When the movable member 3 moves downward a set distance, the rotating shaft 74 can be disengaged from the sleeve 71.

[0030] The lower end of the rotating shaft 74 is fixedly connected with a guide tube 75 . The bottom end of the guide tube 75 extends out of the second sleeve 72 and is fixedly connected to the housing 1 . The side edge of the upper end of the guide tube 75 is provided with a second opening 751 .

[0031] After the compressed gas in the tank body 61 has recoiled and dredged the filter plate 2 for a certain period of time, as the air pressure in the first chamber 11 continues to increase, since the water level is higher than the filter plate 2 at this time, the gradually increasing air pressure in the first chamber 11 will cause the filter plate 2 and the moving member 3 to continue to move downward. During the downward movement of the moving member 3, the elastic member 2 73 will be compressed. When the moving member 3 moves down to the bottom end of the rotating shaft 74 and is separated from the sleeve 1 71, the upper end of the guide tube 75 will extend out of the upper surface of the bottom plate 31. At this time, the water in the second chamber 12 will enter the guide tube 75 through the opening 2 751 and gradually flow through the guide tube 75. The gas in the first chamber 11 passes through the filter plate 2 and enters the guide tube 75 through the second opening 751, and then is introduced into the bottom of the shell 1 through the guide tube 75. After the gas in the first chamber 11 is discharged to a set amount, the moving part 3 moves upward under the elastic push of the elastic part 2 73 and returns to its original position. The tube 1 66 reconnects the third chamber 13 and the fourth chamber 65, and the second chamber 12 and the fourth chamber 65 are disconnected again, so that normal gas filtering can be carried out.

[0032] like Figure 2 and Figure 3As shown, a plurality of latches 81 are provided on the circumference of the inner side of the water tank 4, and an elastic member 3 82 is provided between each latch 81 and the water tank 4. The elastic member 3 82 is a spring, and its two ends are respectively fixedly connected to the latch 81 and the water tank 4. The elastic member 3 82 can elastically push the latch 81 inward, and the inner end of the latch 81 is a spherical surface. A plurality of sockets 83 are provided on the circumference of the movable member 3, and the plurality of sockets 83 correspond to the plurality of latches 81 one by one. When the movable member 3 moves downward a set distance, the latch 81 can be inserted into the socket 83.

[0033] When the movable part 3 moves down until the latch 81 is inserted into the socket 83, the latch 81 can limit the movable part 3. Under the action of the latch 81 and the elastic part 2 73, the movable part 3 no longer moves down. At this time, the liquid level in the second chamber 12 is lower than the upper end of the opening 2 751, so that the gas in the first chamber 11 can be stably discharged to the bottom of the shell 1 through the guide tube 75.

[0034] In addition, when the pin 81 is inserted into the socket 83, the upward pushing force of the elastic member 2 73 on the moving member 3 is greater than the blocking force of the end of the pin 81 on the moving member 3. After the gas in the first chamber 11 is discharged to a set amount, the moving member 3 will move upward under the elastic pushing of the elastic member 2 73. The moving member 3 will squeeze the end of the pin 81, so that the end of the pin 81 will be disengaged from the socket 83, and the moving member 3 will move upward to return to its original position.

[0035] In some embodiments, Figure 2 and Figure 3 As shown, the rotating assembly includes a rotating rod 84 and a spiral blade 85. The rotating rod 84 movably passes through the center of the rotating shaft 74, and its bottom end is located in the sleeve 2 72. The rotating rod 84 can rotate synchronously with the filter plate 2, and the spiral blade 85 is fixedly installed at the bottom end of the rotating rod 84. Specifically, a vertically arranged plug rod 86 is slidably connected to the filter plate 2 up and down, and the upper end of the plug rod 86 is fixedly connected to the upper end of the rotating rod 84, so that the rotating rod 84 can rotate synchronously with the filter plate 2, and the filter plate 2 can move up and down relative to the rotating rod 84 and the plug rod 86. The bottom end of the rotating rod 84 and the spiral blade 85 fixedly installed at the bottom end of the rotating rod 84 are both located in the guide tube 75.

[0036] When the moving member 3 moves downward, the water in the second chamber 12 enters the guide tube 75 through the second opening 751, and under the impact of the water flow, the rotating rod 84 is driven to rotate, and the filter plate 2 is driven to rotate. At this time, the water in the second chamber 12 will flush the filter plate 2, which can improve the cleaning effect of the filter plate 2.

[0037] In some embodiments, Figure 2 and Figure 3As shown, a nozzle 34 is provided on the upper part of the movable member 3, and the nozzle 34 is located on the upper part of the outer peripheral side of the filter plate 2. The nozzle 34 is externally connected to a water supply device and can spray water to the upper part of the filter plate 2. An annular groove 741 is provided on the outer peripheral side of the rotating shaft 74. When the filter plate 2 moves downward a set distance with the movable member 3, the center of the filter plate 2 moves downward to the annular groove 741, and the upper surface of the filter plate 2 is a concave structure.

[0038] When the compressed gas enters the second chamber 12 through the second pipe 67 and the air flow channel 33 and backflushes the filter plate 2, the filter plate 2 and the movable member 3 move down to the center of the filter plate 2 corresponding to the annular groove 741, and the upper end of the guide tube 75 extends out of the upper surface of the bottom plate 31, the water in the second chamber 12 will gradually be discharged through the second opening 751 and the guide tube 75. At this time, water is sprayed to the upper part of the filter plate 2 through the water supply device and the nozzle 34. The water can flush the impurities remaining on the upper part of the filter plate 2. The flushed water and impurities can enter the second chamber 12 through the annular groove 741 and be discharged through the second opening 751 and the guide tube 75.

[0039] The filter plate 2 with a concave upper surface structure enables better discharge of impurities.

[0040] In some embodiments, Figure 2 and Figure 3 As shown, the air guide tube 51 is connected to the movable member 3 by sliding up and down, and an elastic member 52 is provided between the air guide tube 51 and the movable member 3. The elastic member 52 can be a spring, and its upper and lower ends are respectively fixedly connected to the air guide tube 51 and the movable member 3. The elastic member 52 can apply a downward elastic force to the air guide tube 51. An opening 511 is provided at the bottom end of the air guide tube 51. When the movable member 3 moves downward, the bottom end of the air guide tube 51 can stop at the bottom of the water tank 4, and the second cavity 12 and the third cavity 13 can be kept connected, thereby ensuring the insertion depth of the bottom end of the air guide tube 51 in the water tank 4, thereby ensuring the filtering efficiency of the water on the dust in the gas.

[0041] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A crystallization protection slag flue gas dust removal device, comprising a shell and a filter plate arranged in the shell, characterized in that: The utility model also includes a moving part, a water tank, an air guide pipe and an air tank assembly. The moving part is slidably installed in the shell body up and down. The filter plate is connected to the moving part and the two can be lifted and lowered synchronously. A first cavity is formed between the upper side of the filter plate and the shell body, and a second cavity is formed between the lower side of the filter plate and the moving part. An air inlet connected to the first cavity is provided on the shell body. The water tank is arranged below the moving part, and a third cavity for accommodating water is formed between the two. The air guide pipe is arranged at the bottom of the moving part, and the air guide pipe is connected to the second cavity, and its bottom end extends into the water. The air tank assembly includes a tank body, a movable plate, an elastic member 1 and a pressure valve. The movable plate is slidably installed in the tank body, and the pressure valve is installed on the tank body. A fourth cavity corresponding to the pressure valve is formed between the movable plate and the tank body. The elastic member 1 is arranged between the movable plate and the tank body, and can apply an elastic force toward the fourth cavity to the movable plate. When the filter plate can supply gas smoothly, the third cavity is connected to the fourth cavity. When the filter plate is blocked, the moving part will move down to block the connection between the third cavity and the fourth cavity, and connect the second cavity with the fourth cavity.

2. The crystallization protection slag fume dust removal equipment according to claim 1 is characterized in that: The tank body is provided with tube one and tube two connected with the fourth cavity, tube one connects the fourth cavity with the third cavity, and the moving part is provided with an air flow channel connected with the second cavity. When the moving part moves downward a set distance, the moving part can block tube one, and the air flow channel can be connected with tube two.

3. The crystallization protection slag fume dust removal equipment according to claim 1 is characterized in that: It also includes a reset component, which includes a sleeve one, a sleeve two, an elastic member two and a rotating shaft. The sleeve one is fixedly installed at the center of the moving part, the sleeve two is fixedly installed at the center of the water tank, and its upper end is movably connected with the lower end of the sleeve one. The elastic member two is arranged between the sleeve one and the sleeve two, and can elastically push the sleeve one upward. The rotating shaft passes through the middle of the filter plate and is movably fitted in the sleeve one. The rotating shaft and the sleeve one are sealed and connected. When the moving part moves downward a set distance, the rotating shaft can be detached from the sleeve one.

4. The crystallization protection slag fume dust removal equipment according to claim 3 is characterized in that: A latch is provided on the inner side of the water tank, and an elastic member three is provided between the latch and the water tank. The elastic member three can elastically push the latch inward, the inner end of the latch is a spherical surface, and a socket is provided on the moving member. When the moving member moves downward a set distance, the latch can be inserted into the socket.

5. The crystallization protection slag fume dust removal equipment according to claim 3 is characterized in that: It also includes a rotating assembly, which includes a rotating rod and a spiral blade. The rotating rod moves through the center of the rotating shaft, and its bottom end is located in the second sleeve. The rotating rod can rotate synchronously with the filter plate, and the spiral blade is fixedly installed at the bottom end of the rotating rod.

6. The crystallization protection slag fume dust removal equipment according to claim 3, characterized in that: A nozzle is arranged on the upper part of the moving part, and the nozzle can spray water to the upper part of the filter plate. An annular groove is arranged on the outer peripheral side of the rotating shaft. When the filter plate moves downward a set distance with the moving part, the center of the filter plate moves down to the annular groove.

7. The crystallization protection slag fume dust removal equipment according to claim 6, characterized in that: The upper surface of the filter plate is a concave structure.

8. The crystallization protection slag fume dust removal equipment according to claim 1, characterized in that: The air guide tube is connected to the movable part by sliding up and down, and an elastic part four is arranged between the air guide tube and the movable part. The elastic part four can apply a downward elastic force to the air guide tube, and an opening one is arranged at the bottom end of the air guide tube.

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