Laboratory chemical wastewater purification treatment device

Abstract

The invention relates to the field of wastewater treatment, in particular to a laboratory chemical wastewater purification treatment device. The invention provides a laboratory chemical wastewater purification treatment device which can enable wastewater reaction to be more sufficient, can also enable wastewater in different layers to be discharged separately, and is convenient for next wastewater treatment. The invention discloses a laboratory chemical wastewater purification treatment device which comprises a shell, an isolation plate, a layering plate and the like, an isolation plate is fixedly connected to the interior of the shell, and three layering plates are slidably connected to the isolation plate. An operator pours in wastewater, the wastewater can be roughly divided into three layers after reaction is completed, the operator pushes a handle, an inner cavity of the shell is divided into three parts, the operator opens a water plug, wastewater of different layers can flow out of different water outlet pipes respectively, the discharge rate of the wastewater is increased, and solid particles, suspended floccules and solutions can be separately discharged. The subsequent treatment on the wastewater is facilitated.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment, and more particularly to a laboratory chemical wastewater purification and treatment device. Background Technology

[0002] The most common wastewater in chemical laboratories consists of acid, alkali, and metal salt solutions, most of which can cause serious environmental pollution. Many wastewaters and their reaction byproducts, such as acids and alkalis, are harmful to the environment and human health. Therefore, when wastewater in chemical laboratories needs to be discharged, operators need to add various catalysts and neutralizing reagents to the wastewater, causing the metal salt solutions to precipitate into solid particles and the acid and alkali solutions to neutralize into solutions with a pH of around 7.

[0003] Currently, most laboratories adopt a centralized treatment method, which generally involves directly adding catalysts and reagents to the wastewater. However, the catalysts and reagents do not come into sufficient contact with the wastewater, resulting in an incomplete reaction. Consequently, the wastewater still contains various harmful substances, and it will separate into layers after the reaction. Discharging these layers together will cause the wastewater from different layers to mix together, which is not conducive to further treatment of the wastewater. Summary of the Invention

[0004] In order to solve the problems of incomplete wastewater reaction and mixed discharge of wastewater from different layers, this invention provides a laboratory chemical wastewater purification device that allows for more complete wastewater reaction and separate discharge of wastewater from different layers, facilitating subsequent wastewater treatment.

[0005] Technical solution: A laboratory chemical wastewater purification and treatment device includes a shell, a partition plate, a layered plate, a water outlet pipe, a water plug, and a drive mechanism. The partition plate is fixedly connected inside the shell, and three layered plates are slidably connected to the partition plate. Three water outlet pipes are fixedly connected to the shell, and all three water outlet pipes are connected to the shell. Each water outlet pipe is plugged with a water plug. The drive mechanism is located on the layered plate.

[0006] Furthermore, it is particularly preferred that the drive mechanism includes mounting rods and a handle, with two mounting rods fixedly connected between the three layered plates, and a handle fixedly connected between the tops of the two mounting rods.

[0007] Furthermore, it is particularly preferred that the device also includes a mixing mechanism located on the inner wall of the outer casing. The mixing mechanism includes a threaded cylinder, a drive rod, a horizontal spring, a stepped rod, blades, and a spiral spring. Three threaded cylinders are rotatably connected to the outer casing, and each threaded cylinder has a threaded groove. Three drive rods are slidably connected to one of the mounting rods, and each drive rod contacts the threaded groove on the threaded cylinder. A horizontal spring connects each drive rod to the mounting rod. A stepped rod is rotatably connected to each threaded cylinder, and each stepped rod passes through a partition plate. Each stepped rod has a slot, and two blades are fixedly connected to each stepped rod. A spiral spring connects the threaded cylinder to the stepped rod.

[0008] Furthermore, it is particularly preferred that a locking mechanism is included, which is located on the partition plate. The locking mechanism includes a locking rod and a telescopic rod. Three locking rods are slidably connected inside the partition plate. The upper end of each locking rod is located in the slot of the step rod, and the lower part of each locking rod is fixedly connected to a telescopic rod. The bottom end of the telescopic rod contacts the top of the layered plate, and each layered plate has an unlocking slot.

[0009] Furthermore, it is particularly preferred that a reset mechanism is included, which is mounted on the mounting rod. The reset mechanism includes a trigger block, a vertical spring, a pressing rod, a diagonal rod, and pulleys. The trigger block is slidably connected to the handle. Three vertical springs are connected between the bottom of the trigger block and the inner wall of the handle. The pressing rod is fixedly connected to the bottom of the trigger block and passes through the handle. Three diagonal rods are fixedly connected to the pressing rod. Each driving rod has two rotatable pulleys, and the diagonal rod is located between the two pulleys of the same driving rod.

[0010] Furthermore, it is particularly preferred that the device also includes a water outlet mechanism, which is located on the outer casing. The water outlet mechanism includes a downward sliding block, a push rod, a return spring, and a connecting rod. Three downward sliding blocks are fixedly connected to the downward pressing rod, and three push rods are slidably connected to the outer casing. Each push rod contacts a downward sliding block, and a connecting rod is fixedly connected to the end of each push rod away from the downward pressing rod. The connecting rod is fixedly connected to a water plug, and a return spring is connected between each connecting rod and the outer casing.

[0011] Furthermore, it is particularly preferred that the device also includes an air outlet mechanism, which is located on the outer shell and the layered plates. The air outlet mechanism includes a fan, a large air pipe, small air pipes, and one-way valves. The fan is fixedly connected to the upper part of the outer shell, and the air outlet of the fan is fixedly connected to the large air pipe. The air outlet of the fan is connected to the large air pipe. Three small air pipes are fixedly connected to the large air pipe, and the large air pipe is connected to the three small air pipes. The three small air pipes pass through the outer shell and pass through the layered plates. Each layered plate has a small cavity on the side away from the large air pipe. The small air pipes are connected to the small cavities of the layered plates. Small air pipes are fixedly connected to the inner wall of each layered plate. Four one-way valves are fixedly connected to one side of each layered plate. Each one-way valve is connected to the small cavity of the layered plate.

[0012] In addition, it is particularly preferred that the device also includes water guide blocks, with three water guide blocks fixedly connected to the outer casing, and the water guide blocks are located directly below the water outlet pipe.

[0013] Beneficial effects:

[0014] 1. First, the operator pours the wastewater into the outer shell on the side away from the handle. After the wastewater reaction is complete, the wastewater will roughly separate into three layers. At this time, the operator pushes the handle, and the movement of the handle moves the three layer plates simultaneously, dividing the inner cavity of the outer shell into three parts. The operator opens the water plug, and the wastewater of different layers can flow out from different water outlets, which speeds up the discharge rate of wastewater and can also separate solid particles, suspended flocs and solutions for subsequent wastewater treatment.

[0015] 2. After the wastewater reaction is complete and the layers are separated, when the operator pushes the handle towards the paddle, the movement of the handle will squeeze the threaded cylinder, causing the scroll spring to be compressed. When the grooves on the three layers contact the telescopic rod, the locking rod falls and no longer jams the step rod. The scroll spring will reset, causing the paddle to rotate and agitate the wastewater stored in the different layers. At this time, the operator opens the three water plugs, and the wastewater from different layers will be discharged from the outlet pipes of different layers. The rotation of the paddle can accelerate the discharge rate of wastewater and reduce the possibility of solid particles and flocculent matter clogging the outlet pipes.

[0016] 3. After the operator pours the wastewater into the outer casing on the side away from the handle, the operator starts the blower. The blower will release air from the outlet, and the gas will be discharged from the one-way valve. The gas will agitate the wastewater, neutralizing reagent, and catalyst, so that the neutralizing reagent and catalyst are in full contact with the wastewater, making the wastewater react more completely. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a partial cross-sectional perspective view of the three-dimensional structure of the present invention.

[0019] Figure 3 This is a schematic diagram of a second partial cross-sectional three-dimensional structure of the present invention.

[0020] Figure 4 This is a schematic diagram of the third partial cross-sectional three-dimensional structure of the present invention.

[0021] Figure 5 For the present invention Figure 4 A magnified three-dimensional structural diagram of A in the middle.

[0022] Figure 6 This is a partial cross-sectional three-dimensional structural schematic diagram of the reset mechanism of the present invention.

[0023] Figure 7 This is a partial three-dimensional structural schematic diagram of the reset mechanism of the present invention.

[0024] Figure 8 This is a schematic diagram of the fourth partial cross-sectional three-dimensional structure of the present invention.

[0025] Figure 9 For the present invention Figure 8 An enlarged three-dimensional structural diagram of B.

[0026] Figure 10 This is a partial cross-sectional perspective view of the three-dimensional structure of the present invention.

[0027] Figure 11 This is a schematic diagram of the sixth partial cross-sectional three-dimensional structure of the present invention.

[0028] Figure 12 For the present invention Figure 11 A magnified three-dimensional structural diagram of C.

[0029] Figure 13 This is a schematic diagram of the seventh partial cross-sectional three-dimensional structure of the present invention.

[0030] In the diagram: 1-Outer shell, 2-Isolation plate, 3-Layered plate, 31-Water outlet pipe, 312-Water plug, 41-Mounting rod, 42-Handle, 51-Threaded cylinder, 511-Drive rod, 512-Horizontal spring, 52-Step rod, 53-Blade, 54-Roll spring, 61-Locking rod, 62-Telescopic rod, 63-Unlocking slot, 71-Trigger block, 72-Vertical spring, 73-Press rod, 74-Angle rod, 75-Pulley, 81-Lowering slider, 82-Push rod, 83-Reset spring, 84-Connecting rod, 91-Fan, 92-Air duct, 93-Small duct, 94-One-way valve, 10-Water guide block. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0032] Example 1

[0033] A laboratory chemical wastewater purification and treatment device, such as Figures 1-13As shown, it includes an outer shell 1, an isolation plate 2, a layered plate 3, a water outlet pipe 31, a water plug 312, and a drive mechanism. The isolation plate 2 is bolted inside the outer shell 1. Three layered plates 3 are slidably connected to the isolation plate 2. Three water outlet pipes 31 are connected to the outer shell 1 through flanges. All three water outlet pipes 31 are connected to the outer shell 1. Each water outlet pipe 31 is plugged with a water plug 312. The drive mechanism is located on the layered plate 3.

[0034] The drive mechanism includes mounting rods 41 and a handle 42. The three layered plates 3 are connected by bolts. There are two mounting rods 41, and the tops of the two mounting rods 41 are connected by bolts to the handle 42.

[0035] The isolation plate 2 separates the interior of the outer shell 1. The operator pours wastewater into the side of the outer shell 1 away from the handle 42 and adds a neutralizing agent and catalyst to the wastewater, allowing the wastewater to react with the neutralizing agent and catalyst. After the wastewater reaction is complete, it will roughly separate into three layers: a solid particle layer, a suspended flocculent layer, and a solution layer. At this time, the operator pushes the handle 42, which moves the mounting rod 41, causing the three layered plates 3 to move simultaneously. When the end of the layered plate 3 away from the handle 42 contacts the outer shell 1, the three layered plates 3 will separate the interior of the outer shell 1. The cavity on the side away from the handle 42 is divided into three parts: the bottom layer stores the solid particle layer, the middle layer stores the suspended flocculent layer, and the top layer stores the solution layer. When the operator opens the water plug 312, the wastewater from different layers can flow out from different outlet pipes 31, which speeds up the discharge rate of wastewater. It can also discharge solid particles, suspended flocculents and solution separately, which is convenient for subsequent treatment of wastewater. After the wastewater is discharged, the operator pushes the handle 42 in the opposite direction. The movement of the handle 42 drives the installation rod 41 to move. The movement of the installation rod 41 drives the three layered plates 3 to move simultaneously until the layered plates 3 are reset.

[0036] Example 2

[0037] Based on Example 1, such as Figures 2-9As shown, it also includes a stirring mechanism, which is located on the inner wall of the outer casing 1. The stirring mechanism includes a threaded cylinder 51, a driving rod 511, a horizontal spring 512, a stepped rod 52, a paddle blade 53, and a spiral spring 54. Three threaded cylinders 51 are rotatably connected to the outer casing 1. All three threaded cylinders 51 are horizontally arranged and have threaded grooves. Three driving rods 511 are slidably connected to one of the mounting rods 41. Each driving rod 511 contacts the threaded groove on the threaded cylinder 51. A horizontal spring 512 is connected between each driving rod 511 and the mounting rod 41. A stepped rod 52 is rotatably connected to each threaded cylinder 51. Each stepped rod 52 is horizontally arranged and passes through the partition plate 2. Each stepped rod 52 has a slot. Two paddle blades 53 are connected to each stepped rod 52 by a flat key. A spiral spring 54 is connected between the threaded cylinder 51 and the stepped rod 52.

[0038] It also includes a locking mechanism, which is located on the isolation plate 2. The locking mechanism includes a locking rod 61 and a telescopic rod 62. Three locking rods 61 are slidably connected inside the isolation plate 2. Each locking rod 61 is vertically arranged. The upper end of each locking rod 61 is located in the slot of the step rod 52. The lower part of each locking rod 61 is fixedly connected to a telescopic rod 62. Each telescopic rod 62 is vertically arranged. The bottom end of the telescopic rod 62 contacts the top of the layered plate 3. Each layered plate 3 has an unlocking slot 63.

[0039] It also includes a reset mechanism, which is located on the mounting rod 41. The reset mechanism includes a trigger block 71, a vertical spring 72, a pressing rod 73, a diagonal rod 74, and a pulley 75. The trigger block 71 is slidably connected to the handle 42. Three vertical springs 72 are connected between the bottom of the trigger block 71 and the inner wall of the handle 42. The pressing rod 73 is bolted to the bottom of the trigger block 71. The pressing rod 73 passes through the handle 42. Three diagonal rods 74 are bolted to the pressing rod 73. Each driving rod 511 has two rotatable pulleys 75. The diagonal rod 74 is located between the two pulleys 75 of the same driving rod 511.

[0040] Initially, locking rod 61 engages step rod 52. After the wastewater reaction is complete and stratification is achieved, the operator pushes handle 42 towards the blade 53. The movement of handle 42 moves mounting rod 41, which in turn moves drive rod 511. Drive rod 511 compresses threaded cylinder 51, causing it to rotate. Because locking rod 61 engages step rod 52, step rod 52 does not rotate. The rotation of threaded cylinder 51 compresses spiral spring 54. The movement of mounting rod 41 moves the three stratification plates 3 simultaneously. When the unlocking slots 63 on the three stratification plates 3 engage with the telescopic rod... When contact occurs at 62, the telescopic rod 62 falls under the influence of gravity. This falls the locking rod 61, which in turn falls, freeing it from locking the step rod 52. The spiral spring 54 then resets, causing the step rod 52 to rotate. This rotation, in turn, causes the paddle 53 to rotate. The paddle 53 agitates the wastewater stored in different layers within the cavity of the outer casing 1, away from the handle 42. At this point, the operator opens the three water plugs 312, allowing the wastewater from different layers to drain from the outlet pipes 31. The rotation of the paddle 53 accelerates the wastewater discharge rate and also allows solids to pass through. When particles and flocculent matter are discharged from the outlet pipe 31, the flow becomes smoother. Next, the operator presses down on the trigger block 71, causing it to move downwards and driving the pressure rod 73 downwards. The vertical spring 72 is compressed, and the downward movement of the pressure rod 73 causes the three inclined rods 74 to move downwards. Each inclined rod 74 compresses the pulley 75, and the compression of each pulley 75 causes the driving rod 511 to move away from the threaded cylinder 51, disengaging it from the threaded groove on the threaded cylinder 51. The horizontal spring 512 is stretched, at which point the operator can push the handle 4 in the opposite direction. 2. Until the layer plate 3 is reset, the operator no longer presses down on the trigger block 71. The vertical spring 72 will reset, and the reset of the vertical spring 72 will drive the trigger block 71 to move upward. The upward movement of the trigger block 71 will drive the pressing rod 73 to move upward. The upward movement of the pressing rod 73 will drive the three inclined rods 74 to move upward. The upward movement of the three inclined rods 74 will no longer squeeze the pulley 75. The horizontal spring 512 will reset, and the reset of the horizontal spring 512 will drive the driving rod 511 to move closer to the threaded cylinder 51. The driving rod 511 will re-contact the threaded cylinder 51, preventing the spiral spring 54 from rotating in the opposite direction and being damaged.

[0041] Example 3

[0042] Based on Example 2, such as Figures 6-13As shown, it also includes a water outlet mechanism, which is located on the outer casing 1. The water outlet mechanism includes a downward sliding block 81, a push rod 82, a return spring 83, and a connecting rod 84. Three downward sliding blocks 81 are fixedly connected to the downward pressing rod 73. Each of the three downward sliding blocks 81 is provided with an inclined surface. Three push rods 82 are slidably connected to the outer casing 1. Each push rod 82 will contact the downward sliding block 81. A connecting rod 84 is fixedly connected to the end of each push rod 82 away from the downward pressing rod 73. The connecting rod 84 is fixedly connected to the water plug 312. A return spring 83 is connected between each connecting rod 84 and the outer casing 1.

[0043] When the operator presses down on the trigger block 71, the trigger block 71 moves downward, causing the pressure rod 73 to move downward. The vertical spring 72 is compressed, and the downward movement of the pressure rod 73 causes the three sliding blocks 81 to move downward. Each sliding block 81 presses down on the push rod 82, causing the push rod 82 to move away from the pressure rod 73. This movement of the push rod 82 away from the pressure rod 73 causes the connecting rod 84 to move away from the outer casing 1. The return spring 83 is stretched, and the movement of the connecting rod 84 away from the outer casing 1 causes the water plug 312 to move away from the outlet pipe 31. This movement of the water plug 312 away from the outlet pipe 31 opens the outlet pipe 31, allowing wastewater to flow out. After the wastewater is discharged, the trigger block 71 is no longer pressed down, and the vertical spring 72 will reset. The reset of the vertical spring 72 will cause the trigger block 71 to move upward, which in turn will cause the pressing rod 73 to move upward. The pressing rod 73 will then cause the sliding block 81 to move upward. The sliding block 81 will no longer press the push rod 82, and the reset spring 83 will reset. The reset of the reset spring 83 will cause the connecting rod 84 to move closer to the outer casing 1. The moving of the connecting rod 84 closer to the outer casing 1 will cause the water plug 312 to move closer to the outlet pipe 31. The water plug 312 will then re-block the outlet pipe 31. The operator does not need to manually open and close the water plug 312, reducing the risk of injury from contact with wastewater.

[0044] Example 4

[0045] Based on Example 3, such as Figure 4 , Figure 7 and Figures 12-13As shown, it also includes an air outlet mechanism, which is located on the outer shell 1 and the layered plate 3. The air outlet mechanism includes a fan 91, a large air pipe 92, small air pipes 93, and a one-way valve 94. The fan 91 is bolted to the upper part of the outer shell 1. The air outlet of the fan 91 is connected to the large air pipe 92 through a flange. The air outlet of the fan 91 is connected to the large air pipe 92. Three small air pipes 93 are connected to the large air pipe 92 through a flange. The large air pipe 92 is connected to the three small air pipes 93. The three small air pipes 93 pass through the outer shell 1 and pass through the layered plate 3. Each layered plate 3 has a small cavity on the side away from the large air pipe 92. The small air pipes 93 are connected to the small cavities of the layered plate 3. The inner wall of each layered plate 3 is connected to the small air pipes 93 through flanges. Four one-way valves 94 are fixedly connected to one side of each layered plate 3. Each one-way valve 94 is connected to the small cavity on the layered plate 3.

[0046] It also includes a water guide block 10. Three water guide blocks 10 are bolted to the outer casing 1. The water guide blocks 10 are located directly below the water outlet pipe 31.

[0047] After the operator pours the wastewater into the outer casing 1 on the side away from the handle 42, the operator starts the blower 91. The blower 91 will release air, which flows to the atmospheric pipe 92 and then to the three small air pipes 93. The small air pipes 93 deliver the air to the small cavity on the side of the layered plate 3 near the one-way valve 94. Finally, the air is discharged from the one-way valve 94 into the outer casing 1 on the side away from the handle 42. The air will agitate the wastewater, neutralizing agent, and catalyst, allowing the neutralizing agent and catalyst to come into full contact with the wastewater, making the wastewater reaction more complete.

[0048] When the operator opens the water plug 312, the wastewater is discharged from the outlet pipe 31. Under the action of gravity, the wastewater is guided out by the water guide block 10, making it convenient for the operator to collect the wastewater.

[0049] It should be understood that this embodiment is for illustrative purposes only and is not intended to limit the scope of the invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A laboratory chemical wastewater purification and treatment device, characterized in that, It includes an outer shell (1), an isolation plate (2), a layered plate (3), a water outlet pipe (31), a water plug (312), and a drive mechanism. The isolation plate (2) is fixedly connected inside the outer shell (1). Three layered plates (3) are slidably connected on the isolation plate (2). Three water outlet pipes (31) are fixedly connected on the outer shell (1). All three water outlet pipes (31) are connected to the outer shell (1). Each water outlet pipe (31) is plugged with a water plug (312). The drive mechanism is located on the layered plate (3). The drive mechanism includes mounting rods (41) and a handle (42). Two mounting rods (41) are fixedly connected between the three layered plates (3), and a handle (42) is fixedly connected between the tops of the two mounting rods (41).

2. The laboratory chemical wastewater purification and treatment device according to claim 1, characterized in that, It also includes a stirring mechanism, which is located on the inner wall of the outer shell (1). The stirring mechanism includes a threaded cylinder (51), a driving rod (511), a horizontal spring (512), a stepped rod (52), a blade (53), and a spiral spring (54). Three threaded cylinders (51) are rotatably connected to the outer casing (1). The threaded cylinders (51) have threaded grooves. Three drive rods (511) are slidably connected to one of the mounting rods (41). Each drive rod (511) contacts the threaded groove on the threaded cylinder (51). A horizontal spring (512) is connected between each drive rod (511) and the mounting rod (41). A stepped rod (52) is rotatably connected to each threaded cylinder (51). Each stepped rod (52) passes through the partition plate (2). Each stepped rod (52) has a slot. Two blades (53) are fixedly connected to each stepped rod (52). A spiral spring (54) is connected between the threaded cylinder (51) and the stepped rod (52).

3. The laboratory chemical wastewater purification and treatment device according to claim 2, characterized in that, It also includes a locking mechanism, which is located on the isolation plate (2). The locking mechanism includes a locking rod (61) and a telescopic rod (62). Three locking rods (61) are slidably connected inside the isolation plate (2). The upper end of each locking rod (61) is located in the slot of the step rod (52). The lower part of each locking rod (61) is fixedly connected to the telescopic rod (62). The bottom end of the telescopic rod (62) contacts the top of the layered plate (3). Each layered plate (3) has an unlocking slot (63).

4. The laboratory chemical wastewater purification and treatment device according to claim 3, characterized in that, It also includes a reset mechanism, which is located on the mounting rod (41). The reset mechanism includes a trigger block (71), a vertical spring (72), a pressing rod (73), a diagonal rod (74), and a pulley (75). The trigger block (71) is slidably connected to the handle (42). Three vertical springs (72) are connected between the bottom of the trigger block (71) and the inner wall of the handle (42). The pressing rod (73) is fixedly connected to the bottom of the trigger block (71). The pressing rod (73) passes through the handle (42). Three diagonal rods (74) are fixedly connected to the pressing rod (73). Each driving rod (511) has two rotatable pulleys (75). The diagonal rod (74) is located between the two pulleys (75) of the same driving rod (511).

5. The laboratory chemical wastewater purification and treatment device according to claim 4, characterized in that, It also includes a water outlet mechanism, which is located on the outer shell (1). The water outlet mechanism includes a sliding block (81), a push rod (82), a return spring (83), and a connecting rod (84). Three sliding blocks (81) are fixedly connected to the pressure rod (73), and three push rods (82) are slidably connected to the outer shell (1). Each push rod (82) will contact the sliding block (81). A connecting rod (84) is fixedly connected to the end of each push rod (82) away from the pressure rod (73). The connecting rod (84) is fixedly connected to the water plug (312). A return spring (83) is connected between each connecting rod (84) and the outer shell (1).

6. The laboratory chemical wastewater purification and treatment device according to claim 5, characterized in that, It also includes an air outlet mechanism, which is located on the outer shell (1) and the layered plate (3). The air outlet mechanism includes a fan (91), a large air pipe (92), small air pipes (93), and a one-way valve (94). The fan (91) is fixedly connected to the upper part of the outer shell (1). The air outlet of the fan (91) is fixedly connected to the large air pipe (92). The air outlet of the fan (91) is connected to the large air pipe (92). Three small air pipes (93) are fixedly connected to the large air pipe (92). The large air pipe (92) and the three small air pipes are connected to each other. (93) are all connected. The three small air tubes (93) all pass through the outer shell (1). The small air tubes (93) pass through the layered plates (3). Each layered plate (3) has a small cavity on the side away from the large air tubes (92). The small air tubes (93) are all connected to the small cavities of the layered plates (3). The inner wall of each layered plate (3) is fixedly connected to the small air tubes (93). Each side of each layered plate (3) is fixedly connected to four one-way valves (94). Each one-way valve (94) is connected to the small cavity on the layered plate (3).

7. The laboratory chemical wastewater purification and treatment device according to claim 6, characterized in that, It also includes water guide blocks (10), and three water guide blocks (10) are fixedly connected to the outer shell (1). The water guide blocks (10) are located directly below the water outlet pipe (31).

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