An environmentally friendly tail gas purification device for lithium iron manganese phosphate processing

Abstract

The present invention relates to the field of tail gas purification, and in particular to an environmentally friendly tail gas purification device for processing lithium manganese iron phosphate. The present invention arranges the air inlet pipe in a Z shape, and the distance between the air inlet pipe and the liquid surface is longer, so that the tail gas is in contact with the original absorption liquid in the clean gas tank for a longer time, which is convenient for the acid gas and other harmful components in the tail gas to be fully absorbed, and multiple pouring hoppers are also arranged to rotate with the clean gas tank to transfer the original absorption liquid upward, and then pour it out, and the droplets fall into the clean gas tank, so that the original absorption liquid contacts the tail gas on the upper part of the clean gas tank again, and the acid gas and harmful components in the tail gas are secondary absorbed, so that the toxic and harmful components in the tail gas are fully absorbed. Compared with the existing tail gas purification device, the tail gas purification is more thorough and more environmentally friendly. An environmentally friendly tail gas purification device for processing lithium manganese iron phosphate includes a frame and a base, etc.; a plurality of bases are fixedly connected to the frame.

Description

Technical Field

[0001] The present invention relates to the field of tail gas purification, and in particular to an environmentally friendly tail gas purification device for processing lithium manganese iron phosphate. Background Art

[0002] The raw material of lithium iron manganese phosphate battery, lithium iron manganese phosphate, needs to be sintered in a kiln during the processing, and then crushed to obtain slurry. After the slurry is made, it needs to be dried. During this process, a large amount of inert gas needs to be introduced into the sintering furnace as a protective gas, and high-temperature exhaust gas will continue to be generated in the subsequent processing process. Direct emission will cause serious environmental pollution.

[0003] In the existing technology, the high-temperature exhaust gas from the lithium iron manganese phosphate processing process is generally passed through a plurality of absorption and filtering devices to absorb dust impurities and various toxic and harmful gases in the high-temperature exhaust gas. However, a large amount of inert gases and acid gases, organic pollutants and heavy metal ions in the high-temperature exhaust gas are mixed together. When the exhaust gas passes through various absorption devices, the presence of a large amount of inert gases makes it impossible for the toxic and harmful gases in the exhaust gas to be fully absorbed, resulting in environmental pollution after emission, which is not conducive to environmental protection. Summary of the invention

[0004] The technical problems of the present invention are:

[0005] In order to overcome the disadvantage that toxic and harmful gases in high-temperature tail gas are mixed in a large amount of inert gas and cannot be fully absorbed, thus polluting the environment and being unfavorable to environmental protection, the present invention provides an environmentally friendly tail gas purification device for lithium manganese iron phosphate processing.

[0006] The technical scheme of the present invention is: an environmentally friendly tail gas purification device for processing lithium manganese iron phosphate, including a frame and a base; a plurality of bases are fixedly connected to the frame; it also includes a clean gas tank, a gear ring, a liquid exchange pipe, a T-shaped frame I, an air inlet pipe, a T-shaped frame II, an air outlet pipe, a filter box and a pouring bucket; all the bases are rotatably connected to the clean gas tank, and the clean gas tank is arranged horizontally; a plurality of gear rings are installed on the clean gas tank; the clean gas tank is connected to the liquid exchange pipe, and a solenoid valve is arranged in the liquid exchange pipe; the frame is fixedly connected to the T-shaped frame I; the T-shaped frame I is located on the left side of the clean gas tank; the T-shaped frame I is fixedly connected to the air inlet pipe; the air inlet pipe runs through the clean gas tank; the clean gas tank is connected to the liquid exchange pipe, and the liquid exchange pipe is provided with a solenoid valve; the frame is fixedly connected to the T-shaped frame I; the T-shaped frame I is located on the left side of the clean gas tank; the T-shaped frame I is fixedly connected to the air inlet pipe; the air inlet pipe runs through the clean gas tank; the clean gas tank is connected to the liquid exchange pipe ... The air tank has a plurality of small holes on the part of the air inlet pipe located in the clean air tank; the frame is fixedly connected with a T-shaped frame II; the T-shaped frame II is located on the right side of the clean air tank; the T-shaped frame II is connected with an air outlet pipe; the air outlet pipe runs through the clean air tank; the air outlet pipe is connected with an air outlet of a filter box, and the filter box contains active adsorption material; the filter box is located in the clean air tank; the air inlet on the filter box is connected with the inside of the clean air tank; the filter box is fixedly connected and connected with the air inlet pipe; a plurality of pouring buckets are fixedly connected in the clean air tank; each pouring bucket has a water scooping cavity, and the water scooping cavity has a rectangular opening connected with the clean air tank, and the opening faces the rotation direction of the clean air tank.

[0007] More preferably, the air intake pipe is Z-shaped.

[0008] More preferably, it also includes a water inlet pipe, annular pipe I, annular pipe II and a water outlet pipe; a cooling cavity is opened on the side wall of the clean air tank; the cooling cavity is connected to the annular pipe I; the annular pipe I is fixedly connected to the frame; the annular pipe I is rotatably connected to the clean air tank; the annular pipe I is connected to the water inlet pipe; the cooling cavity is connected to the annular pipe II; the annular pipe II is rotatably connected to the clean air tank; the annular pipe II is fixedly connected to the frame; the annular pipe II is connected to the water outlet pipe.

[0009] More preferably, the upper air inlet on the left side of the filter box is connected to the internal space of the clean air tank, the lower air outlet on the right side of the filter box is connected to the internal space of the outlet pipe, the air inlet and outlet of the filter box are staggered, and a blocking net is provided at the left end of the outlet pipe.

[0010] More preferably, a plurality of leakage holes are provided on one side of the water scooping cavity toward the rotation center in the air purification tank.

[0011] More preferably, it also includes a dust removal box, a mounting plate, a fan, a dust removal net, an elastic member and an ash discharge pipe; the air inlet pipe is connected to the dust removal box; a mounting plate is fixedly connected to the dust removal box; the mounting plate is rotatably connected to the fan; the fan consists of a plurality of fan blades and a central rotating shaft; the central rotating shaft of the fan is connected to the dust removal net; the dust removal net is fixedly connected to an elastic member; the elastic member is fixedly connected to the central rotating shaft of the fan; the ash discharge pipe is connected to the lower part of the dust removal box; the connecting port between the ash discharge pipe and the dust removal box is located on the left side of the dust removal net.

[0012] More preferably, it also includes wedge blocks I and wedge blocks II; the dust removal net is fixedly connected to a plurality of wedge blocks I; the dust removal box is fixedly connected to a plurality of wedge blocks II; each wedge block II is in contact with and cooperates with a wedge block I.

[0013] More preferably, it also includes a cooling sleeve, a connecting pipe, a U-shaped pipe, a return pipe and a drainage pipe; the dust removal box is covered with a cooling sleeve; the upper part of the cooling sleeve is connected to the connecting pipe; the connecting pipe is connected to the water outlet pipe; the lower part of the ash discharge pipe is connected to the U-shaped pipe; the upper part of the U-shaped pipe is connected to the return pipe; the upper part of the ash discharge pipe is connected to the drainage pipe; a cooling chamber is opened inside the cooling sleeve; the upper part of the drainage pipe is connected to the cooling chamber.

[0014] More preferably, it also includes a buckle and a handle; a movable cover is detachably connected to the right side of the clean air tank, and a sealing ring is provided between the movable cover and the clean air tank; the movable cover is connected to the air outlet pipe; a plurality of fixing holes are opened on the frame; the frame is movably connected to the T-shaped frame II; the T-shaped frame II cooperates with the corresponding fixing holes; the T-shaped frame II is slidably connected to the air outlet pipe; a plurality of buckles are provided between the clean air tank and the movable cover; and a plurality of handles are fixedly connected to the movable cover.

[0015] More preferably, the drainage tube is arranged obliquely.

[0016] Beneficial effects: 1. The air inlet pipe of the present invention is arranged in a Z shape, and the distance between the air inlet pipe and the liquid surface is longer, so that the exhaust gas is in contact with the original absorption liquid in the gas purification tank for a longer time, which is convenient for fully absorbing the acid gas and other harmful components in the exhaust gas, and a plurality of pouring hoppers are also arranged to rotate with the gas purification tank to transfer the original absorption liquid upward, and then pour it out, and the droplets fall into the gas purification tank, so that the original absorption liquid contacts the exhaust gas at the upper part of the gas purification tank again, and the acid gas and harmful components in the exhaust gas are secondary absorbed, so that the toxic and harmful components in the exhaust gas are fully absorbed. Compared with the existing exhaust gas purification device, the exhaust gas purification is more thorough and more environmentally friendly.

[0017] 2. While absorbing and purifying the toxic and harmful components in the tail gas, cooling water is also poured into the cooling chamber to cool the clean gas tank, thereby cooling the original absorption liquid in the clean gas tank, effectively avoiding the original absorption liquid in the clean gas tank from being too high in temperature, which leads to easy evaporation of the original absorption liquid, reduces the volume of the original absorption liquid, and lowers the liquid level of the original absorption liquid in the clean gas tank. After the tail gas enters the original absorption liquid, the time it takes to escape to the liquid surface is shortened, resulting in insufficient absorption of the acidic gas and harmful components in the tail gas.

[0018] On the basis of the above technical effects, the present invention also has the following advantages:

[0019] The air inlet and air outlet of the filter box are staggered so that after the gas enters the filter box, it moves in a Z shape in the filter box. The exhaust gas is in contact with the activated carbon in the filter box for a longer time, and the organic pollutants and heavy metal ions in the exhaust gas are absorbed more fully.

[0020] A number of small holes are opened on the pouring hopper, so that the small droplets of original absorption liquid can contact the exhaust gas more fully, which is beneficial to the secondary absorption of the exhaust gas and has a better absorption effect.

[0021] The drainage pipe is tiltedly arranged between the cooling sleeve and the ash discharge pipe, which effectively prevents cooling water from splashing into the dust removal box, increases the contact area between the cooling water and the dust impurities in the ash discharge pipe, and prevents dust impurities from being retained in the dust removal box. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the environmentally friendly tail gas purification device for processing lithium manganese iron phosphate of the present invention;

[0023] Figure 2 It is a cross-sectional view of the environmentally friendly tail gas purification device for processing lithium manganese iron phosphate of the present invention;

[0024] Figure 3 This is a schematic diagram of the installation position of the pouring bucket of the present invention;

[0025] Figure 4 It is a schematic diagram of the internal structure of the dust removal box of the present invention;

[0026] Figure 5 It is a schematic diagram of the cooperation state of the wedge block I and the wedge block II of the present invention;

[0027] Figure 6 It is a schematic diagram of the installation position of the U-shaped tube of the present invention;

[0028] Figure 7 This is a schematic diagram of the installation position of the drainage tube of the present invention;

[0029] Figure 8 This is a schematic diagram of the installation position of the handle of the present invention.

[0030] The markings in the figure are: 1-frame, 2-base, 3-purifying tank, 4-tooth ring, 5-liquid exchange pipe, 6-T-shaped frame I, 7-inlet pipe, 8-T-shaped frame II, 9-outlet pipe, 10-filter box, 11-shower bucket, 1101-water scooping chamber, 101-water inlet pipe, 102-ring pipe I, 103-ring pipe II, 104-outlet pipe, 3001-cooling chamber, 201-dust removal box, 202 -installing plate, 203-fan, 204-dust removal net, 205-elastic part, 206-wedge block I, 207-wedge block II, 208-ash discharge pipe, 301-cooling sleeve, 302-connecting pipe, 303-U-shaped pipe, 304-return pipe, 305-drainage pipe, 30101-cooling chamber, 401-buckle, 402-handle, 1001-fixing hole, 3002-movable cover. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0032] Embodiment 1

[0033] An environmentally friendly tail gas purification device for lithium manganese iron phosphate processing, according to Figure 1-3 As shown, it includes a frame 1 and a base 2; the frame 1 is fixedly connected to two bases 2 distributed on the left and right;

[0034] It also includes a clean air tank 3, a gear ring 4, a liquid exchange pipe 5, a T-shaped frame I6, an air inlet pipe 7, a T-shaped frame II8, an air outlet pipe 9, a filter box 10 and a pouring bucket 11; all the bases 2 are rotatably connected to the clean air tank 3, and the clean air tank 3 is arranged horizontally; two gear rings 4 distributed left and right are installed on the clean air tank 3; the front part of the clean air tank 3 is connected to the liquid exchange pipe 5, and the liquid exchange pipe 5 is provided with a solenoid valve; the frame 1 is fixedly connected to the T-shaped frame I6; the T-shaped frame I6 is located on the left side of the clean air tank 3; the T-shaped frame I6 is fixedly connected to the air inlet pipe 7; the air inlet pipe 7 passes through the clean air tank 3, and the part of the air inlet pipe 7 located in the clean air tank 3 is provided with a plurality of small holes; the frame 1 is fixedly connected to T-shaped frame II 8; T-shaped frame II 8 is located on the right side of the clean air tank 3; T-shaped frame II 8 is connected with an air outlet pipe 9; the air outlet pipe 9 runs through the clean air tank 3; the left end of the air outlet pipe 9 is connected with the air outlet of the filter box 10, and the filter box 10 is filled with active adsorption material; the filter box 10 is located in the clean air tank 3; the air inlet on the filter box 10 is connected with the inside of the clean air tank 3; the lower part of the filter box 10 is fixedly connected and connected with the air inlet pipe 7; a plurality of pouring buckets 11 are fixedly connected in the clean air tank 3; each pouring bucket 11 has a scooping cavity 1101, and the scooping cavity 1101 has a rectangular opening connected with the clean air tank 3, and the opening faces the rotation direction of the clean air tank 3.

[0035] The air intake pipe 7 is in a Z-shape.

[0036] It also includes a water inlet pipe 101, an annular pipe I 102, an annular pipe II 103 and a water outlet pipe 104; an annular cooling chamber 3001 is opened on the side wall of the clean air tank 3; the right part of the cooling chamber 3001 is connected with the annular pipe I 102; the lower part of the annular pipe I 102 is fixedly connected to the frame 1; the annular pipe I 102 is rotatably connected to the clean air tank 3; the upper part of the annular pipe I 102 is connected with the water inlet pipe 101; the left part of the cooling chamber 3001 is connected with the annular pipe II 103; the annular pipe II 103 is rotatably connected to the clean air tank 3; the lower part of the annular pipe II 103 is fixedly connected to the frame 1; the upper part of the annular pipe II 103 is connected with the water outlet pipe 104.

[0037] The operation process of the above embodiment is as follows:

[0038] The gear ring 4 is connected to the external drive assembly; the solenoid valve in the liquid exchange tube 5 is connected to the power supply; the air intake pipe 7 is connected to the tailpipe processed by lithium manganese iron phosphate; the active adsorption material in the filter box 10 is activated carbon;

[0039] Control to open the solenoid valve in the liquid exchange pipe 5, pour one-third of the volume of the original absorption liquid into the clean gas tank 3, and close the solenoid valve in the liquid exchange pipe 5;

[0040] Connect the water inlet pipe 101 and the water outlet pipe 104 to the water circulation equipment;

[0041] First, the tail gas generated by the processing of lithium manganese iron phosphate enters the clean gas tank 3 through the small hole on the air inlet pipe 7. At this time, the clean gas tank 3 is filled with original absorption liquid, and the tail gas enters the original absorption liquid. The original absorption liquid cleans the tail gas to remove the acidic gas and some harmful components in the tail gas, and then the tail gas escapes from the liquid surface of the original absorption liquid. Then, as the gas entering the clean gas tank 3 increases, the gas in the clean gas tank 3 enters the filter box 10 filled with activated carbon, and the activated carbon absorbs the organic pollutants and some heavy metal ions in the tail gas. Then the tail gas is discharged from the outlet pipe 9, which effectively reduces the emission of toxic and harmful gases into the air;

[0042] When the tail gas escapes from the original absorption liquid, the external driving component drives the two gear rings 4 to rotate. Looking from left to right, the gear ring 4 rotates counterclockwise, synchronously driving the clean gas tank 3 and the corresponding parts thereon to rotate, and all the pouring buckets 11 rotate with the clean gas tank 3. When the pouring bucket 11 passes through the original absorption liquid in the clean gas tank 3, the scooping chamber 1101 of the pouring bucket 11 is loaded with part of the original absorption liquid, and the opening of the scooping chamber 1101 faces upward and rotates with the original absorption liquid. When the pouring bucket 11 moves to the upper part of the clean gas tank 3, the opening of the scooping chamber 1101 faces downward, and the original absorption liquid in the pouring bucket 11 leaks out from the opening of the scooping chamber 1101, and the original absorption liquid spills downward. The original absorption liquid is fully in contact with the tail gas gathered on the upper part of the clean gas tank 3, and the tail gas on the upper part of the clean gas tank 3 is secondary absorbed and purified.

[0043] According to the above movement process, we know that the present invention has the following effects:

[0044] The air inlet pipe 7 is arranged in a Z shape, so that the part of the air inlet pipe 7 located in the clean air tank 3 is close to the lower part of the clean air tank 3, and the distance between the air inlet pipe 7 and the liquid surface is longer. When the tail gas comes out from the small hole of the air inlet pipe 7, the time for the tail gas to reach the liquid surface of the original absorption liquid from the small hole is longer, and the contact between the tail gas and the original absorption liquid is more sufficient, which is convenient for the acid gas and other harmful components in the tail gas to be fully absorbed;

[0045] It is considered that inert gas is used as protective gas during the processing of lithium manganese iron phosphate, so there is a large amount of inert gas in the tail gas. Acidic gas and harmful components are mixed in the inert gas. Since the acidic gas and harmful components are wrapped by the inert gas, the acidic gas and harmful components cannot be completely absorbed by the original absorption liquid. The rotation of the clean gas tank 3 drives all the pouring buckets 11 to rotate. When the pouring bucket 11 rotates to the lower part of the clean gas tank 3, the original absorption liquid enters the scooping cavity 1101 of the pouring bucket 11 As the pouring bucket 11 rotates, part of the original absorption liquid is driven by the scooping cavity 1101 of the pouring bucket 11 to transfer upward, and then when the scooping cavity 1101 of the pouring bucket 11 opens downward, the original absorption liquid flows out from the corresponding pouring bucket 11 and falls into the clean gas tank 3, so that the original absorption liquid contacts the exhaust gas at the top of the clean gas tank 3 again, and absorbs the acidic gas and harmful components in the exhaust gas at the top of the clean gas tank 3 for the second time. Compared with the existing exhaust gas purification device, the exhaust gas purification is more thorough and more environmentally friendly.

[0046] The tail gas from lithium manganese iron phosphate processing reaches 108±10℃. When the tail gas is passed into the original absorption liquid, the tail gas also heats the original absorption liquid. When the temperature of the original absorption liquid rises, the movement speed of the molecules increases. To a certain extent, the absorption efficiency of the original absorption liquid for acidic gases and harmful components is effectively improved. At this time, the water circulation equipment pumps cooling water into the annular pipe I 102 through the water inlet pipe 101, and then the cooling water enters the cooling chamber 3001. When the cooling water flows in the cooling chamber 3001, the clean gas tank 3 is cooled, thereby achieving the clean gas tank 3. The original absorption liquid in the clean gas tank 3 is cooled down, which effectively avoids the original absorption liquid in the clean gas tank 3 from being too high, resulting in easy evaporation of the original absorption liquid, reducing the volume of the original absorption liquid, and lowering the liquid level of the original absorption liquid in the clean gas tank 3. After the tail gas enters the original absorption liquid, the time for it to escape to the liquid surface is shortened, resulting in insufficient absorption of the acidic gas and harmful components in the tail gas. Then, the cooling water in the cooling chamber 3001 flows out from the annular pipe II 103 to the water outlet pipe 104, and the water circulation equipment then draws the cooling water out of the water outlet pipe 104 and cools it down again for reuse.

[0047] The upper air inlet on the left side of the filter box 10 is connected to the internal space of the clean air tank 3, and the lower air outlet on the right side of the filter box 10 is connected to the internal space of the outlet pipe 9. The air inlet and outlet of the filter box 10 are staggered, and a blocking net is set at the left end of the outlet pipe 9.

[0048] A plurality of leak holes are formed on one side of the water scooping cavity 1101 facing the rotation center in the air purification tank 3 .

[0049] On the basis of the above technical effects, the present invention also has the following advantages:

[0050] First, the air inlet and the air outlet of the filter box 10 are staggered so that after the gas enters the filter box 10, the gas moves in a Z shape in the filter box 10, the exhaust gas is in contact with the activated carbon in the filter box 10 for a longer time, and the organic pollutants and heavy metal ions in the exhaust gas are absorbed more fully.

[0051] Second, a plurality of small holes are opened on the pouring hopper 11, so that when the pouring hopper 11 comes out of the original absorption liquid, part of the original absorption liquid carried by the pouring hopper 11 leaks out through the small holes on the pouring hopper 11, so that the original absorption liquid falls into the clean gas tank 3 in the form of droplets, and the small droplets of the original absorption liquid are in contact with the tail gas more fully, which promotes the secondary absorption of the acid gas and harmful components in the tail gas, so that the acid gas and harmful components in the tail gas are absorbed more fully and the absorption effect is better.

[0052] Second embodiment

[0053] On the basis of the first embodiment, according to Figure 1-8 As shown, it also includes a dust removal box 201, a mounting plate 202, a fan 203, a dust removal net 204, an elastic member 205 and an ash discharge pipe 208; the left end of the air inlet pipe 7 is connected to the dust removal box 201; a mounting plate 202 is welded inside the dust removal box 201; the mounting plate 202 is rotatably connected to the fan 203; the fan 203 consists of a plurality of fan blades and a central rotating shaft; the right part of the central rotating shaft of the fan 203 is connected to the dust removal net 204; the right part of the dust removal net 204 is fixedly connected to the elastic member 205; the elastic member 205 is a spring; the right part of the elastic member 205 is fixedly connected to the central rotating shaft of the fan 203; the lower part of the dust removal box 201 is connected to the ash discharge pipe 208; the connecting port of the ash discharge pipe 208 and the dust removal box 201 is located on the left side of the dust removal net 204.

[0054] It also includes wedge blocks I 206 and wedge blocks II 207; two wedge blocks I 206 distributed front and back are welded to the left part of the dust removal net 204; two wedge blocks II 207 distributed left and right are bolted to the inner wall of the dust removal box 201; each wedge block II 207 is in contact with a wedge block I 206.

[0055] It also includes a cooling sleeve 301, a connecting pipe 302, a U-shaped pipe 303, a return pipe 304 and a drainage pipe 305; the dust removal box 201 is covered with a cooling sleeve 301; the upper part of the cooling sleeve 301 is connected to the connecting pipe 302; the connecting pipe 302 is connected to the water outlet pipe 104; the lower part of the ash discharge pipe 208 is connected to the U-shaped pipe 303; the upper part of the U-shaped pipe 303 is connected to the return pipe 304; the upper part of the ash discharge pipe 208 is connected to the drainage pipe 305; a cooling chamber 30101 is opened inside the cooling sleeve 301; the upper part of the drainage pipe 305 is connected to the cooling chamber 30101.

[0056] It also includes a buckle 401 and a handle 402; a movable cover 3002 is detachably connected to the right side of the clean air tank 3, and a sealing ring is provided between the movable cover 3002 and the clean air tank 3; the movable cover 3002 is connected to the air outlet pipe 9; a plurality of fixing holes 1001 are opened on the frame 1; the frame 1 is movably connected to the T-shaped frame II8; the T-shaped frame II8 cooperates with the corresponding fixing holes 1001; the T-shaped frame II8 is slidably connected to the air outlet pipe 9; a plurality of buckles 401 are provided between the clean air tank 3 and the movable cover 3002; the movable cover 3002 is welded with two handles 402 distributed front and back.

[0057] The operation process of the above embodiment is as follows:

[0058] On the basis of the first embodiment, a dust removal box 201 is provided between the exhaust gas coming out of the lithium iron manganese phosphate processing equipment and entering the intake pipe 7. After the exhaust gas enters the dust removal box 201, the exhaust gas blows the fan 203, the fan 203 starts to rotate, and drives the dust removal net 204 and the elastic member 205 to rotate, wherein the dust removal net 204 intercepts the dust impurities in the exhaust gas, and when the dust removal net 204 rotates, it also drives the two wedge blocks I 206 to rotate together, when the wedge block I 206 contacts the wedge block II 207, the wedge block I 206 moves to the right under the reaction of the wedge block II 207, and synchronously drives the dust removal net 204 to move to the right, and the elastic member 205 is compressed, when the wedge block I 206 is separated from the wedge block II 207, the elastic member 205 immediately recovers, and synchronously drives the dust removal net 204 to move rapidly to the left, and with the continuous rotation of the fan 203, the dust removal net 204 periodically moves to the right and resets to the left.

[0059] The cooling water in the water outlet pipe 104 is connected to the cooling chamber 30101 through the connecting pipe 302. The cooling chamber 30101 is wrapped around the dust removal box 201. When the exhaust gas is dust-filtered in the dust removal box 201, the exhaust gas also heats the dust removal box 201. The cooling water cools the cooling sleeve 301, and then cools the dust removal box 201. Then the cooling water flows out from the drainage pipe 305 to the ash discharge pipe 208, and the dust and debris entering the ash discharge pipe 208 are flushed downward. The dust and debris enter the U-shaped pipe 303 with the cooling water, and then the water circulation equipment extracts the water in the U-shaped pipe 303 through the reflux pipe 304. After the extracted water is filtered and purified, the water is cooled again to participate in the water circulation.

[0060] It is taken into consideration that a filter box 10 for absorbing organic pollutants and heavy metal components in the exhaust gas is provided in the clean gas tank 3. After the purification device has been running for a period of time, the activated carbon component in the filter box 10 needs to be replaced. At this time, the clean gas tank 3 is controlled to rotate until the opening of the liquid exchange pipe 5 faces downward, and a waste liquid recovery bucket is placed below the pipe mouth of the liquid exchange pipe 5. The solenoid valve of the liquid exchange pipe 5 is controlled to open, and the original absorption liquid in the clean gas tank 3 is released to the waste liquid recovery bucket through the liquid exchange pipe 5, and then the bolts and nuts fixing the T-shaped frame II8 on the frame 1 are loosened, and the T-shaped frame II8 is moved to the right, and then the clean gas tank 3 is controlled to rotate, and then the buckle 401 between the clean gas tank 3 and the movable cover 3002 is opened in turn, and then the handle 402 is manually pulled to separate the clean gas tank 3 from the movable cover 3002, and then the filter box 10 is opened, and the activated carbon in the filter box 10 is taken out and replaced, and then the filter box 10 is closed, and the movable cover 3002 and the T-shaped frame II8 are reset.

[0061] According to the above movement process, we know that the present invention has the following effects:

[0062] The tail gas is filtered through the dust removal net 204 to intercept the dust impurities in the tail gas, and then the wedge block I 206 and the wedge block II 207 are used to make the dust removal net 204 shake back and forth, and the dust impurities intercepted on the dust removal net 204 are shaken off to the ash discharge pipe 208, thereby realizing the filtration of dust impurities in the tail gas and the automatic cleaning of the dust removal net 204, and effectively preventing dust impurities from blocking the mesh of the dust removal net 204, and dust impurities from entering the clean gas tank 3 to pollute the original absorption liquid in the clean gas tank 3.

[0063] Moreover, in the above description process, it is mentioned that the temperature of the exhaust gas is relatively high. At this time, the dust removal box 201 is cooled by the wrapped cooling sleeve 301, and then the exhaust gas is pre-cooled, and then the cooling water also flows into the ash discharge pipe 208, so that the dust and impurities are mixed in the water and enter the U-shaped tube 303 together, which not only effectively avoids the generation of dust, but also through the liquid level of the U-shaped tube 303, it also plays a role of liquid sealing for the ash discharge pipe 208, collects and transfers dust and impurities, and effectively prevents the exhaust gas entering the dust removal box 201 from being discharged to other places to pollute the environment without purification.

[0064] The activated carbon in the filter cartridge 10 can be replaced by manually opening the buckle 401 and moving the T-shaped frame II 8 and the movable cover 3002 in sequence, which effectively prevents the problem of organic pollutants and heavy metal components in the exhaust gas from escaping into the air and causing air pollution due to the decrease in the adsorption and filtration effect of the activated carbon after the filter cartridge 10 has been used for a period of time.

[0065] The drainage tube 305 is arranged at an angle.

[0066] On the basis of the above technical effects, the present invention also has the following advantages:

[0067] The drainage pipe 305 is tiltedly arranged between the cooling sleeve 301 and the ash discharge pipe 208, which effectively prevents cooling water from splashing into the dust removal box 201 and leaving water stains on the inner wall of the dust removal box 201, which are difficult to clean. The cooling water flows out from the drainage pipe 305 at an angle, which also increases the contact area between the cooling water and the dust impurities in the ash discharge pipe 208, so that more dust impurities are taken away by the cooling water, avoiding dust impurities from being retained in the dust removal box 201.

[0068] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. An environmentally friendly tail gas purification device for processing lithium manganese iron phosphate, comprising a frame (1) and a base (2); a plurality of bases (2) are fixedly connected to the frame (1); the characteristics are: It also includes a clean air tank (3), a gear ring (4), a liquid exchange pipe (5), a T-shaped frame I (6), an air inlet pipe (7), a T-shaped frame II (8), an air outlet pipe (9), a filter box (10) and a pouring bucket (11); all the bases (2) are rotatably connected to the clean air tank (3), and the clean air tank (3) is arranged horizontally; a plurality of gear rings (4) are installed on the clean air tank (3); the clean air tank (3) is connected to the liquid exchange pipe (5), and a solenoid valve is arranged in the liquid exchange pipe (5); the frame (1) is fixedly connected to the T-shaped frame I (6); the T-shaped frame I (6) is located on the left side of the clean air tank (3); the T-shaped frame I (6) is fixedly connected to the air inlet pipe (7); the air inlet pipe (7) passes through the clean air tank (3), and the part of the air inlet pipe (7) located in the clean air tank (3) is provided with a plurality of small holes; the frame (1 ) is fixedly connected with a T-shaped frame II (8); the T-shaped frame II (8) is located on the right side of the clean air tank (3); the T-shaped frame II (8) is connected with an air outlet pipe (9); the air outlet pipe (9) penetrates the clean air tank (3); the air outlet pipe (9) is connected with an air outlet of a filter box (10), and the filter box (10) contains active adsorption material; the filter box (10) is located in the clean air tank (3); the air inlet on the filter box (10) is connected with the inside of the clean air tank (3); the filter box (10) is fixedly connected and connected with the air inlet pipe (7); a plurality of pouring buckets (11) are fixedly connected with the clean air tank (3); each pouring bucket (11) has a water scooping cavity (1101), and the water scooping cavity (1101) has a rectangular opening connected with the clean air tank (3), and the opening faces the rotation direction of the clean air tank (3); It also comprises a water inlet pipe (101), an annular pipe I (102), an annular pipe II (103) and a water outlet pipe (104); a cooling chamber (3001) is formed on a side wall of the clean air tank (3); the cooling chamber (3001) is connected to the annular pipe I (102); the annular pipe I (102) is fixedly connected to the frame (1); the annular pipe I (102) is rotatably connected to the clean air tank (3); the annular pipe I (102) is connected to the water inlet pipe (101); the cooling chamber (3001) is connected to the annular pipe II (103); the annular pipe II (103) is rotatably connected to the clean air tank (3); the annular pipe II (103) is fixedly connected to the frame (1); the annular pipe II (103) is connected to the water outlet pipe (104); It also includes a dust removal box (201), a mounting plate (202), a fan (203), a dust removal net (204), an elastic member (205) and an ash discharge pipe (208); the air inlet pipe (7) is connected to the dust removal box (201); the mounting plate (202) is fixedly connected to the dust removal box (201); the mounting plate (202) is rotatably connected to the fan (203); the fan (203) is composed of a plurality of fan blades and a central rotating shaft; the central rotating shaft of the fan (203) is connected to the dust removal net (204); the dust removal net (204) is fixedly connected to the elastic member (205); the elastic member (205) is fixedly connected to the central rotating shaft of the fan (203); the lower part of the dust removal box (201) is connected to the ash discharge pipe (208); the connecting port of the ash discharge pipe (208) and the dust removal box (201) is located on the left side of the dust removal net (204); It also includes wedge-shaped blocks I (206) and wedge-shaped blocks II (207); the dust removal net (204) is fixedly connected to a plurality of wedge-shaped blocks I (206); the dust removal box (201) is fixedly connected to a plurality of wedge-shaped blocks II (207); each wedge-shaped block II (207) is in contact with and cooperates with a wedge-shaped block I (206).

2. The environmentally friendly tail gas purification device for lithium iron manganese phosphate processing according to claim 1, characterized in that: The air intake pipe (7) is in a Z shape.

3. The environmentally friendly tail gas purification device for lithium iron manganese phosphate processing according to claim 1, characterized in that: The air inlet at the upper left side of the filter box (10) is in communication with the internal space of the air purification tank (3), and the air outlet at the lower right side of the filter box (10) is in communication with the internal space of the air outlet pipe (9). The air inlet and the air outlet of the filter box (10) are arranged in a staggered manner, and a blocking net is arranged at the left end of the air outlet pipe (9).

4. An environmentally friendly tail gas purification device for processing lithium manganese iron phosphate according to any one of claims 1 to 3, characterized in that: A plurality of leakage holes are formed on one side of the water scooping cavity (1101) facing the rotation center in the air purification tank (3).

5. The environmentally friendly tail gas purification device for processing lithium manganese iron phosphate according to claim 4, characterized in that: The dust removal box (201) further comprises a cooling sleeve (301), a connecting pipe (302), a U-shaped pipe (303), a return pipe (304) and a drainage pipe (305); the dust removal box (201) is coated with the cooling sleeve (301); the upper part of the cooling sleeve (301) is connected to the connecting pipe (302); the connecting pipe (302) is connected to the water outlet pipe (104); the lower part of the ash discharge pipe (208) is connected to the U-shaped pipe (303); the upper part of the U-shaped pipe (303) is connected to the return pipe (304); the upper part of the ash discharge pipe (208) is connected to the drainage pipe (305); a cooling chamber (30101) is provided inside the cooling sleeve (301); and the upper part of the drainage pipe (305) is connected to the cooling chamber (30101).

6. The environmentally friendly tail gas purification device for lithium iron manganese phosphate processing according to claim 5, characterized in that: The invention also comprises a buckle (401) and a handle (402); a movable cover (3002) is detachably connected to the right side of the clean gas tank (3); a sealing ring is provided between the movable cover (3002) and the clean gas tank (3); the movable cover (3002) is connected to the gas outlet pipe (9); a plurality of fixing holes (1001) are provided on the frame (1); the frame (1) is movably connected to a T-shaped frame II (8); the T-shaped frame II (8) is matched with the corresponding fixing holes (1001); the T-shaped frame II (8) is slidably connected to the gas outlet pipe (9); a plurality of buckles (401) are provided between the clean gas tank (3) and the movable cover (3002); and a plurality of handles (402) are fixedly connected to the movable cover (3002).

7. The environmentally friendly tail gas purification device for processing lithium manganese iron phosphate according to claim 5, characterized in that: The drainage tube (305) is arranged at an inclination.

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