A wastewater treatment device and its treatment method for a spraying production line

Abstract

The present invention relates to the technical field of spray wastewater treatment, and in particular to a wastewater treatment device and a treatment method for a spray production line. The technical problem is that the existing wastewater treatment device for a spray production line is difficult to timely separate the precipitated impurities from the water, resulting in a low reaction efficiency between the wastewater and the reagent. A wastewater treatment device and a treatment method for a spray production line include a mounting frame, a treatment tank, a sealing plate, a storage frame, a water outlet pipe, a stirring component, etc. The treatment tank is fixedly connected to the mounting frame, and six thousand sewage discharge holes are evenly arranged on the treatment tank. The impurities will be intercepted by the filter baffle during the rotation of the wastewater with the water. The impurities filtered out on the filter baffle are scraped to the upper part of the sewage discharge hole of the treatment tank by the scraping rod, and the impurities will fall into the storage frame through the sewage discharge hole of the treatment tank. In this way, the wastewater can react better with the reagent, and the precipitated impurities can be timely separated from the wastewater, thereby improving the reaction efficiency between the wastewater and the reagent.

Description

Technical Field

[0001] The present invention relates to the technical field of spray wastewater treatment, and particularly relates to a wastewater treatment device for a spray production line and a treatment method thereof. Background Art

[0002] Spraying is a painting method in which paint is dispersed into uniform and fine droplets by means of a spray gun or a disc atomizer with the aid of pressure or centrifugal force and applied to the surface of the object to be painted. Excess paint during the spraying process is treated by water capture. In order to reduce water resource waste, the wastewater generated during the spraying process is added with chemical reagents drop by drop to precipitate the paint dissolved in the wastewater, and then reused after filtration treatment. However, in the existing wastewater treatment device for a spray production line, it is difficult to separate the impurities precipitated in the wastewater from the water in a timely manner during the wastewater treatment process, resulting in a low reaction efficiency between the wastewater and the reagent. Summary of the Invention

[0003] The purpose of the present invention is to solve the above-mentioned deficiencies of the prior art and provide a wastewater treatment device for a spray production line and a treatment method thereof that can timely separate the precipitated impurities from the wastewater and improve the reaction efficiency between the wastewater and the reagent.

[0004] The technical solution of the present invention is as follows: A wastewater treatment device for a spray production line includes a mounting frame, a treatment tank, a sealing plate, a storage frame, a water outlet pipe, a stirring component, a filtering component, and an impurity discharging component. A treatment tank is fixedly connected to the mounting frame. Six sewage discharge holes are evenly provided on the treatment tank. A sealing plate is fixedly connected to the treatment tank. Six through holes are evenly formed on the sealing plate. A storage frame is fixedly connected to the sealing plate. Six water outlet holes are evenly formed at the bottom of the storage frame. The six water outlet holes of the storage frame are all communicated with the outside of the mounting frame. A water outlet pipe is fixedly connected to the treatment tank. The water outlet pipe is communicated with the inside of the treatment tank. A stirring component and a filtering component are provided on the treatment tank. The stirring component is used for agitating the sewage, and the filtering component is used for filtering the impurities precipitated in the sewage. An impurity discharging component is provided on the storage frame. The impurity discharging component is used for discharging the impurities in the storage frame out of the storage frame.

[0005] As a preferred technical solution of the present invention, the stirring component includes a stirring rod, a conical disk, an overrunning clutch one, a column gear one, a servo motor, and a column gear two. The stirring rod is rotatably connected to the sealing plate. The stirring rod extends into the treatment tank and is rotatably connected to the treatment tank. A double-thread is provided on the stirring rod. The conical disk is fixedly connected to the treatment tank. The stirring rod is rotatably connected to the conical disk. The overrunning clutch one is fixedly connected to the stirring rod. The column gear one is fixedly connected to the overrunning clutch one. The servo motor is fixedly connected to the mounting frame. The column gear two is fixedly connected to the output shaft of the servo motor. The column gear two meshes with the column gear one.

[0006] As a preferred technical solution of the present invention, the filtering component includes a filtering baffle, a lifting disc and a scraping rod. Six filtering baffles are fixedly connected to the treatment tank. The filtering baffles are vertically arranged. A lifting disc is connected to the stirring rod by a thread. Six scraping rods are slidably connected to the treatment tank, and all six scraping rods are fixedly connected to the lifting disc.

[0007] As a preferred technical solution of the present invention, the impurity discharging component includes a first partition plate, a rotating column, a second partition plate, an overrunning clutch two and a column gear three. A first partition plate is clamped between the treatment tank and the sealing plate. The first partition plate is rotatably connected to the treatment tank. A rotating column is rotatably connected to the mounting frame. The rotating column is rotatably connected to the sealing plate. A second partition plate is rotatably connected to the storage frame. The second partition plate is fixedly connected to the rotating column. An overrunning clutch two is fixedly connected to the rotating column. A column gear three is fixedly connected to the overrunning clutch two. The column gear three meshes with the column gear two. A torsion spring one is connected between the second partition plate and the mounting frame.

[0008] As a preferred technical solution of the present invention, a filtering auxiliary component is further included. The filtering auxiliary component is arranged on the treatment tank and is used to remove the impurities blocked on the filtering baffle. The filtering auxiliary component includes a top plate, a toothed rod, a column gear four and a torsion spring two. Six top plates are rotatably connected to the treatment tank. A column gear four is fixedly connected to each top plate. Six toothed rods are fixedly connected to the first partition plate. A torsion spring two is connected between each top plate and the treatment tank.

[0009] As a preferred technical solution of the present invention, a plurality of soft stainless steel brushes are arranged on the top plate.

[0010] As a preferred technical solution of the present invention, a sealing component is further included. The sealing component is arranged on the sealing plate and is used to strengthen the sealing performance between the first partition plate and the treatment tank. The sealing component includes an air frame, an air bag, an air pipe and a compressed air plate. An air frame is fixedly connected to the sealing plate. Six air bags are fixedly connected to the first partition plate. An air pipe is connected between each air bag and the air frame. Each air pipe partially extends into the first partition plate. A compressed air plate is slidably connected to the air frame. A plurality of pressure springs are connected between the air frame and the compressed air plate.

[0011] As a preferred technical solution of the present invention, the air pipe has elasticity.

[0012] A method for using a wastewater treatment device for a spraying production line includes the following steps:

[0013] S1. The user feeds the wastewater to be treated into the treatment tank. Then, the user controls the output shaft of the servo motor to rotate. The rotation of the output shaft of the servo motor drives the second column gear to rotate. The rotation of the second column gear drives the first column gear and the third column gear to rotate. The third column gear rotates idly. The rotation of the first column gear drives the first overrunning clutch to rotate. The rotation of the first overrunning clutch drives the stirring rod to rotate. The rotation of the stirring rod will drive the wastewater in the treatment tank to rotate slowly.

[0014] S2. The user gradually drops the reagent into the treatment tank. The rotation of the wastewater can react more fully with the reagent. The impurities precipitated in the reaction of the wastewater will float near the inner wall of the treatment tank during the slow rotation of the wastewater. The impurities will be intercepted by the filter baffle during the rotation with the wastewater. The rotation of the stirring rod will drive the lifting plate to move reciprocally. During the reciprocal movement of the lifting plate, the scraping rod will be driven to extend into or out of the treatment tank. When the scraping rod extends into the treatment tank, the impurities filtered out on the filter baffle will be scraped above the sewage discharge hole of the treatment tank, and the impurities will fall into the storage frame through the sewage discharge hole of the treatment tank.

[0015] S3. The user controls the output shaft of the servo motor to reverse by a certain angle. The reverse rotation of the output shaft of the servo motor drives the second column gear to reverse. The reverse rotation of the second column gear drives the first column gear and the third column gear to reverse. The first column gear reverses. The rotation of the third column gear drives the second overrunning clutch to rotate. The rotation of the second overrunning clutch drives the rotating column to rotate. The rotation of the rotating column will drive the first partition plate and the second partition plate to rotate. The first torsion spring is twisted. The rotation of the first partition plate will block the sewage discharge hole of the treatment tank. Subsequently, the second partition plate will block the water outlet of the storage frame, isolating the treatment tank from the storage frame. The impurities in the storage frame are discharged from the storage frame through the water outlet of the storage frame.

[0016] S4. During the rotation of the first partition plate, the first partition plate will drive the rack to move. During the movement of the rack, it will mesh with the fourth column gear, causing the fourth column gear to drive the top plate to rotate towards the filter baffle. The second torsion spring is twisted, and the rack will not disengage from the fourth column gear. During the rotation of the top plate, the stainless steel brush on the top plate will pass through the mesh holes of the filter baffle, thereby dredging the mesh holes of the filter baffle.

[0017] S5. The movement of the first partition plate will drive the airbag to move. When the six airbags respectively move below the sewage discharge hole of the treatment tank, the first partition plate will squeeze the air pressure plate. The air pressure plate will extend out of the air frame under the extrusion, and the compression spring is compressed, so that the gas in the air frame will be discharged into the airbag through the air pipe, causing the airbag to expand. The expansion of the airbag will fit tightly with the treatment tank.

[0018] Beneficial effects: 1. The rotation of the stirring rod drives the wastewater in the treatment tank to rotate slowly. The rotation of the wastewater enables it to react more fully with the reagent. The impurities precipitated in the wastewater will float near the inner wall of the treatment tank during the slow rotation of the wastewater. The impurities will be intercepted by the filter baffle during the rotation with the wastewater. When the scraping rod extends into the treatment tank, it will scrape the impurities filtered out on the filter baffle above the sewage discharge hole of the treatment tank, and the impurities will fall into the storage frame through the sewage discharge hole of the treatment tank. In this way, the wastewater can react better with the reagent, and the precipitated impurities can be separated from the wastewater in time, thereby improving the reaction efficiency of the wastewater and the reagent.

[0019] 2. During the movement of the tooth rod, it will engage with the fourth column gear, causing the fourth column gear to drive the top plate to rotate towards the filter baffle. The second torsion spring is twisted, and the tooth rod will not disengage from the fourth column gear. During the rotation of the top plate, the stainless steel brush on the top plate will pass through the mesh holes of the filter baffle, thereby dredging the mesh holes of the filter baffle. In this way, the mesh holes of the filter baffle can be dredged, improving the interception efficiency of impurities.

[0020] 3. The movement of the first partition drives the airbag to move. When the six airbags respectively move below the sewage discharge hole of the treatment tank, the first partition will squeeze the air compression plate. The air compression plate will extend out of the air frame under the extrusion, and the pressure spring is compressed, causing the gas in the air frame to be discharged into the airbag through the air pipe, thereby making the airbag expand. The expansion of the airbag will closely fit with the treatment tank, thereby improving the sealing effect of the sewage discharge hole of the treatment tank. Description of the Drawings

[0021] Figure 1 It is a three-dimensional structure diagram of the present invention.

[0022] Figure 2 It is a three-dimensional sectional structure diagram of the mounting frame of the present invention.

[0023] Figure 3 It is a three-dimensional structure diagram of the conical disk of the present invention.

[0024] Figure 4 It is a three-dimensional structure diagram of the stirring rod, servo motor and second column gear of the present invention.

[0025] Figure 5 It is a three-dimensional sectional structure diagram of the partial disassembly of the present invention.

[0026] Figure 6 It is a three-dimensional structure diagram of the filter baffle and scraping rod of the present invention.

[0027] Figure 7 It is a three-dimensional structure diagram of the lifting disk of the present invention.

[0028] Figure 8 It is a three-dimensional sectional structure diagram of the partial disassembly of the filtering component of the present invention.

[0029] Figure 9 This is a three-dimensional structural schematic diagram of partition one of the present invention.

[0030] Figure 10 This is a three-dimensional structural schematic diagram of the rotating column, torsion spring one and partition two of the present invention.

[0031] Figure 11 This is a disassembled three-dimensional structural schematic diagram of the impurity discharge component of the present invention.

[0032] Figure 12 This is a three-dimensional structural schematic diagram of the toothed rod, top plate and filter baffle of the present invention.

[0033] Figure 13 This is a three-dimensional structural schematic diagram of the toothed rod and partition one of the present invention.

[0034] Figure 14 For the present invention Figure 13 The enlarged three-dimensional structural schematic diagram at position A in

[0035] Figure 15 This is a three-dimensional structural schematic diagram of the sealing plate and air frame of the present invention.

[0036] Figure 16 This is a three-dimensional structural schematic diagram of partition one, airbag, air pipe and pressure spring of the present invention.

[0037] Figure 17 This is a sectional three-dimensional structural schematic diagram of the air frame of the present invention.

[0038] Wherein: 1 - mounting frame, 2 - processing tank, 3 - sealing plate, 4 - storage frame, 5 - water outlet pipe, 61 - stirring rod, 62 - conical disc, 63 - overrunning clutch one, 64 - column gear one, 65 - servo motor, 66 - column gear two, 71 - filter baffle, 72 - lifting disc, 73 - scraping rod, 81 - partition one, 82 - rotating column, 83 - partition two, 84 - overrunning clutch two, 85 - column gear three, 86 - torsion spring one, 91 - top plate, 92 - toothed rod, 93 - column gear four, 94 - torsion spring two, 101 - air frame, 102 - airbag, 103 - air pipe, 104 - air pressure plate, 105 - pressure spring. Detailed implementation manners

[0039] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but it is not intended to limit the present invention.

[0040] Example 1: A wastewater treatment device for a spraying production line and its treatment method, as Figures 1-17As shown in the figure, it includes a mounting frame 1, a processing box 2, a sealing plate 3, a storage frame 4, a water outlet pipe 5, a stirring component, a filtering component and an impurity discharging component. The mounting frame 1 is fixedly connected with the processing box 2. Six sewage discharge holes are evenly arranged on the processing box 2. The processing box 2 is fixedly connected with the sealing plate 3. Six through holes are evenly drilled on the sealing plate 3. The sealing plate 3 is fixedly connected with the storage frame 4. Six water outlet holes are evenly drilled at the bottom of the storage frame 4. The six water outlet holes of the storage frame 4 are all communicated with the outside of the mounting frame 1. The processing box 2 is fixedly connected with the water outlet pipe 5. The water outlet pipe 5 is communicated with the inside of the processing box 2. The processing box 2 is provided with a stirring component and a filtering component. The stirring component is used to stir the sewage. The filtering component is used to filter the impurities precipitated in the sewage. The storage frame 4 is provided with an impurity discharging component. The impurity discharging component is used to discharge the impurities in the storage frame 4 out of the storage frame 4.

[0041] The stirring component includes a stirring rod 61, a conical disc 62, an overrunning clutch one 63, a cylindrical gear one 64, a servo motor 65 and a cylindrical gear two 66. The stirring rod 61 is rotatably connected to the sealing plate 3. The stirring rod 61 is used to drive the wastewater in the processing box 2 to slowly rotate. The stirring rod 61 extends into the processing box 2 and is rotatably connected to the processing box 2. The stirring rod 61 is provided with a double-thread. The processing box 2 is fixedly connected with the conical disc 62. The stirring rod 61 is rotatably connected to the conical disc 62. The overrunning clutch one 63 is fixedly connected to the stirring rod 61. The cylindrical gear one 64 is fixedly connected to the overrunning clutch one 63. The mounting frame 1 is fixedly connected with the servo motor 65. The output shaft of the servo motor 65 is fixedly connected with the cylindrical gear two 66. The cylindrical gear two 66 meshes with the cylindrical gear one 64.

[0042] The filtering component includes a filtering baffle 71, a lifting disc 72 and a scraping rod 73. Six filtering baffles 71 are fixedly connected to the processing box 2. The filtering baffles 71 are vertically arranged. The lifting disc 72 is threadedly connected to the stirring rod 61. Six scraping rods 73 are slidably connected to the processing box 2. The scraping rods 73 are used to scrape the impurities attached to the filtering baffles 71. The six scraping rods 73 are all fixedly connected to the lifting disc 72.

[0043] The impurity discharging component includes a partition one 81, a rotating column 82, a partition two 83, an overrunning clutch two 84 and a cylindrical gear three 85. A partition one 81 is clamped between the processing box 2 and the sealing plate 3. The partition one 81 is rotatably connected to the processing box 2. The rotating column 82 is rotatably connected to the mounting frame 1. The rotating column 82 is rotatably connected to the sealing plate 3. The partition two 83 is rotatably connected to the storage frame 4. The partition two 83 is fixedly connected to the rotating column 82. The overrunning clutch two 84 is fixedly connected to the rotating column 82. The cylindrical gear three 85 is used to drive the rotating column 82 to rotate. The cylindrical gear three 85 meshes with the cylindrical gear two 66. A torsion spring one 86 is connected between the partition two 83 and the mounting frame 1.

[0044] At first, the partition plate 81 did not block the sewage discharge hole of the treatment tank 2, and the partition plate 83 blocked the water outlet of the storage frame 4. The user poured the wastewater to be treated into the treatment tank 2. Then, the user controlled the output shaft of the servo motor 65 to rotate. The rotation of the output shaft of the servo motor 65 drove the second column gear 66 to rotate. The rotation of the second column gear 66 drove the first column gear 64 and the third column gear 85 to rotate. The third column gear 85 idled. The rotation of the first column gear 64 drove the stirring rod 61 to rotate through the first overrunning clutch 63. The rotation of the stirring rod 61 would drive the wastewater in the treatment tank 2 to rotate slowly. Subsequently, the user gradually dropped the reagent into the treatment tank 2. The rotation of the wastewater could react more fully with the reagent. The impurities precipitated in the wastewater would be free near the inner wall of the treatment tank 2 during the slow rotation of the wastewater. The impurities would be intercepted by the filter baffle 71 during the rotation with the wastewater. While the stirring rod 61 was rotating, the double-thread of the stirring rod 61 would drive the lifting plate 72 to move reciprocally. During the reciprocal movement of the lifting plate 72, the scraping rod 73 would be driven to extend into or out of the treatment tank 2. During the process of the scraping rod 73 extending into the treatment tank 2, the impurities filtered out on the filter baffle 71 would be scraped to above the sewage discharge hole of the treatment tank 2. The impurities would fall into the storage frame 4 through the sewage discharge hole of the treatment tank 2. Subsequently, the scraping rod 73 moved reversely to reset. After reciprocally treating for a period of time like this, the user controlled the output shaft of the servo motor 65 to reverse by a certain angle. The reverse rotation of the output shaft of the servo motor 65 drove the second column gear 66 to reverse. The reverse rotation of the second column gear 66 drove the first column gear 64 and the third column gear 85 to reverse. The first column gear 64 reversed, and the reverse rotation of the third column gear 85 drove the rotating column 82 to rotate through the second overrunning clutch. The rotation of the rotating column 82 would drive the partition plate 81 and the partition plate 83 to rotate. The first torsion spring 86 was twisted. The rotation of the partition plate 81 would block the sewage discharge hole of the treatment tank 2. Subsequently, the partition plate 83 would block the water outlet of the storage frame 4, separating the treatment tank 2 from the storage frame 4. The impurities in the storage frame 4 were discharged from the storage frame 4 through the water outlet of the storage frame 4. After all the impurities in the storage frame 4 were discharged, the user controlled the servo motor 65 to reverse again. The third column gear 85 idled. The reset of the torsion spring drove the rotating column 82 to reverse and reset. The reverse rotation of the rotating column 82 drove the partition plate 81 and the partition plate 83 to reset. After repeating this three times, the user turned off the servo motor 65. The user opened the water outlet pipe 5, and the wastewater in the treatment tank 2 was discharged from the treatment tank 2 through the water outlet pipe 5. In this way, the wastewater could react better with the reagent, and the precipitated impurities could be separated from the wastewater in time, thereby improving the reaction efficiency of the wastewater and the reagent.

[0045] Example 2: On the basis of Example 1, as Figures 2-14As shown in the figure, it further includes a filtering auxiliary component. The processing box 2 is provided with a filtering auxiliary component, which is used to remove the impurities blocked on the filtering baffle 71. The filtering auxiliary component includes a top plate 91, a toothed rod 92, a fourth column gear 93, and a second torsion spring 94. Six top plates 91 are rotatably connected to the processing box 2. The top plate 91 is used to dredge the mesh holes of the filtering baffle 71. A fourth column gear 93 is fixedly connected to each top plate 91. Six toothed rods 92 are fixedly connected to the first partition plate 81. A second torsion spring 94 is connected between each top plate 91 and the processing box 2.

[0046] A number of soft stainless steel brushes are provided on the top plate 91.

[0047] During the rotation of the first partition plate 81, the first partition plate 81 will drive the toothed rod 92 to move. During the movement of the toothed rod 92, it will engage with the fourth column gear 93, causing the fourth column gear 93 to drive the top plate 91 to rotate towards the filtering baffle 71. The second torsion spring 94 is twisted. The toothed rod 92 will not disengage from the fourth column gear 93. During the rotation of the top plate 91, the stainless steel brush on the top plate 91 will pass through the mesh holes of the filtering baffle 71, thereby dredging the mesh holes of the filtering baffle 71. When the first partition plate 81 resets, it drives the toothed rod 92 to reset. The reset of the toothed rod 92 drives the fourth column gear 93 to reset. The reset of the fourth column gear 93 drives the top plate 91 to reset, and the second torsion spring 94 resets. In this way, the mesh holes of the filtering baffle 71 can be dredged, improving the interception efficiency of impurities.

[0048] Embodiment 3: On the basis of Embodiment 2, as Figures 15-17 shown in the figure, it further includes a sealing component. The sealing plate 3 is provided with a sealing component, which is used to strengthen the sealing between the first partition plate 81 and the processing box 2. The sealing component includes an air frame 101, an airbag 102, an air pipe 103, and a compressed air plate 104. The air frame 101 is fixedly connected to the sealing plate 3. Six airbags 102 are fixedly connected to the first partition plate 81. The airbag 102 is used to improve the sealing between the first partition plate 81 and the processing box 2. An air pipe 103 is connected between each airbag 102 and the air frame 101. Each air pipe 103 partially extends into the first partition plate 81. The compressed air plate 104 is slidably connected to the air frame 101. A number of pressure springs 105 are connected between the air frame 101 and the compressed air plate 104.

[0049] The air pipe 103 has elasticity.

[0050] During the process that the first partition plate 81 rotates to block the sewage discharge hole of the treatment tank 2, the movement of the first partition plate 81 drives the movement of the airbag 102. When the six airbags 102 respectively move to the lower part of the sewage discharge hole of the treatment tank 2, the first partition plate 81 will squeeze the air compression plate 104. The air compression plate 104 will extend out of the air frame 101 under the extrusion, and the pressure spring 105 is compressed, so that the gas in the air frame 101 will be discharged into the airbag 102 through the air pipe 103, thereby making the airbag 102 expand. The expansion of the airbag 102 will closely fit with the treatment tank 2, thereby improving the sealing effect of the sewage discharge hole of the treatment tank 2. The first partition plate 81 rotates in reverse, the first partition plate 81 and the air compression plate 104 are separated, and the reset of the pressure spring 105 drives the reset of the air compression plate 104, and the air in the airbag 102 is drawn back into the air frame 101.

[0051] The above embodiments only represent the preferred embodiments of the present invention, and the description is relatively specific and detailed, but it should not be construed as a limitation to the scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations, improvements and substitutions can be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A wastewater treatment device for a spraying line, characterized in that: The invention comprises a mounting frame (1), a treatment box (2), a sealing plate (3), a storage frame (4), a water outlet pipe (5), a stirring component, a filtering component and an impurity discharge component. The mounting frame (1) is fixedly connected to the treatment box (2). The treatment box (2) is evenly provided with six drainage holes. The treatment box (2) is fixedly connected to the sealing plate (3). The sealing plate (3) is evenly provided with six through holes. The sealing plate (3) is fixedly connected to the storage frame (4). The bottom of the storage frame (4) is evenly provided with six water outlets. The six water outlets of the storage frame (4) are all connected to the outside of the mounting frame (1). The treatment box (2) is fixedly connected to the water outlet pipe (5). The water outlet pipe (5) is connected to the inside of the treatment box (2). The treatment box (2) is provided with a stirring component and a filtering component. The stirring component is used to stir sewage. The filtering component is used to filter impurities precipitated in the sewage. The storage frame (4) is provided with an impurity discharge component. The impurity discharge component is used to discharge impurities in the storage frame (4) out of the storage frame (4). The filtering component comprises a filtering baffle (71), a lifting plate (72) and a scraping rod (73); six filtering baffles (71) are fixedly connected to the processing box (2); the filtering baffles (71) are arranged vertically; the lifting plate (72) is connected to the stirring rod (61) via a thread; six scraping rods (73) are slidably connected to the processing box (2); and the six scraping rods (73) are fixedly connected to the lifting plate (72); The impurity discharge component comprises a partition plate 1 (81) and a partition plate 2 (83); the partition plate 1 (81) is clamped between the processing box (2) and the sealing plate (3); the partition plate 1 (81) and the processing box (2) are rotatably connected; and the partition plate 2 (83) is rotatably connected to the storage frame (4); The reciprocating movement of the lifting plate (72) drives the scraper rod (73) to extend into or out of the processing box (2). When the scraper rod (73) extends into the processing box (2), it scrapes the impurities filtered out on the filter baffle (71) to the top of the sewage discharge hole of the processing box (2), and the impurities fall into the storage frame (4) through the sewage discharge hole of the processing box (2).

2. A wastewater treatment device for a spraying line as claimed in claim 1, characterized in that: The stirring component comprises a stirring rod (61), a conical disk (62), an overrunning clutch 1 (63), a column gear 1 (64), a servo motor (65) and a column gear 2 (66); the sealing plate (3) is rotatably connected with the stirring rod (61); the stirring rod (61) extends into the processing box (2) and is rotatably connected with the processing box (2); a bidirectional thread is provided on the stirring rod (61); the processing box (2) is fixedly connected with the conical disk (62); the stirring rod (61) and the conical disk (62) are rotatably connected; the stirring rod (61) is fixedly connected with an overrunning clutch 1 (63); the overrunning clutch 1 (63) is fixedly connected with a column gear 1 (64); the mounting frame (1) is fixedly connected with the servo motor (65); the output shaft of the servo motor (65) is fixedly connected with a column gear 2 (66); the column gear 2 (66) and the column gear 1 (64) are meshed.

3. A wastewater treatment device for a spraying line as claimed in claim 2, characterized in that: The impurity discharge component also includes a rotating column (82), a second overrunning clutch (84) and a third column gear (85); the rotating column (82) is rotatably connected to the mounting frame (1); the rotating column (82) and the sealing plate (3) are rotatably connected; the second partition plate (83) and the rotating column (82) are fixedly connected; the rotating column (82) is fixedly connected to the second overrunning clutch (84); the second overrunning clutch (84) is fixedly connected to the third column gear (85); the third column gear (85) and the second column gear (66) are meshed; and a first torsion spring (86) is connected between the second partition plate (83) and the mounting frame (1).

4. A wastewater treatment device for a spraying line as claimed in claim 3, characterized in that: The invention also comprises a filtering auxiliary component. The processing box (2) is provided with the filtering auxiliary component, which is used to remove impurities blocked on the filtering baffle (71). The filtering auxiliary component comprises a top plate (91), a gear rod (92), a column gear four (93) and a torsion spring two (94). Six top plates (91) are rotatably connected to the processing box (2), and each top plate (91) is fixedly connected to a column gear four (93). Six gear rods (92) are fixedly connected to the partition plate one (81), and a torsion spring two (94) is connected between each top plate (91) and the processing box (2).

5. A wastewater treatment device for a spraying line as claimed in claim 4, characterized in that: A plurality of soft stainless steel brushes are provided on the top plate (91).

6. A wastewater treatment device for a spraying line as claimed in claim 5, characterized in that: The invention also comprises a sealing component, wherein the sealing component is provided on the sealing plate (3), and the sealing component is used to strengthen the sealing performance between the partition plate 1 (81) and the processing box (2), and the sealing component comprises an air frame (101), an air bag (102), an air pipe (103) and an air pressure plate (104). The sealing plate (3) is fixedly connected to the air frame (101), and the partition plate 1 (81) is fixedly connected to six air bags (102), and an air pipe (103) is connected between each air bag (102) and the air frame (101), and each air pipe (103) partially extends into the partition plate 1 (81). The air frame (101) is slidably connected to the air pressure plate (104), and a plurality of pressure springs (105) are connected between the air frame (101) and the air pressure plate (104).

7. A wastewater treatment device for a spraying line as claimed in claim 6, characterized in that: The trachea (103) is elastic.

8. A method for using a wastewater treatment device for a spraying line as claimed in claim 7, comprising the following steps: S1. The user passes wastewater to be treated into the treatment box (2). Then, the user controls the output shaft of the servo motor (65) to rotate. The rotation of the output shaft of the servo motor (65) drives the column gear 2 (66) to rotate. The column gear 2 (66) drives the column gear 1 (64) and the column gear 3 (85) to rotate. The column gear 3 (85) rotates idly. The column gear 1 (64) drives the overrunning clutch 1 (63) to rotate. The overrunning clutch 1 (63) drives the stirring rod (61) to rotate. The rotation of the stirring rod (61) drives the wastewater in the treatment box (2) to rotate slowly. S2, the user gradually drips the reagent into the treatment box (2), and the wastewater rotates so that it can react more fully with the reagent. Impurities precipitated from the reaction in the wastewater will float near the inner wall of the treatment box (2) during the slow rotation of the wastewater. The impurities will be intercepted by the filter baffle (71) as the wastewater rotates, and the rotation of the stirring rod (61) will drive the lifting plate (72) to move back and forth; S3, the user controls the output shaft of the servo motor (65) to reverse a certain angle, the output shaft of the servo motor (65) reverses to drive the column gear 2 (66) to reverse, the column gear 2 (66) reverses to drive the column gear 1 (64) and the column gear 3 (85) to reverse, the column gear 1 (64) reverses, the column gear 3 (85) rotates to drive the overrunning clutch 2 (84) to rotate, the overrunning clutch 2 (84) rotates to drive the rotating column (82) to rotate, the rotating column (82) rotates to drive the partition 1 (81) and the partition 2 (83) to rotate, the torsion spring 1 (86) is twisted, the partition 1 (81) rotates to block the sewage discharge hole of the processing box (2), and then the partition 2 (83) blocks the water outlet of the storage frame (4), so that the processing box (2) and the storage frame (4) are isolated, and the impurities in the storage frame (4) are discharged from the storage frame (4) through the water outlet of the storage frame (4); S4, during the rotation of the partition plate 1 (81), the partition plate 1 (81) drives the gear rod (92) to move, and during the movement of the gear rod (92), it meshes with the column gear 4 (93), so that the column gear 4 (93) drives the top plate (91) to rotate in a direction close to the filter baffle (71), the torsion spring 2 (94) is twisted, the gear rod (92) will not be separated from the column gear 4 (93), and during the rotation of the top plate (91), the stainless steel brush on the top plate (91) will pass through the mesh of the filter baffle (71), thereby clearing the mesh of the filter baffle (71); S5. The movement of the partition plate 1 (81) drives the airbag (102) to move. When the six airbags (102) move to the bottom of the sewage discharge hole of the processing box (2), the partition plate 1 (81) squeezes the air pressure plate (104). The air pressure plate (104) is squeezed and extends out of the air frame (101). The pressure spring (105) is compressed, so that the gas in the air frame (101) is discharged into the airbag (102) through the air pipe (103), thereby expanding the airbag (102). The expanded airbag (102) fits tightly with the processing box (2).

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