A dimethylamine intermediate tank primary distillation column wastewater treatment device

Abstract

This invention relates to the field of chemical wastewater treatment equipment technology, and discloses a wastewater treatment device for a dimethylamine intermediate tank primary distillation tower, including a water control mechanism, a drainage mechanism, and a shell. Both the water control mechanism and the drainage mechanism are located inside the shell, with the water control mechanism positioned at the top inside the shell and the drainage mechanism at the bottom. The water control mechanism is positioned above the drainage mechanism. During wastewater discharge, when the telescopic cylinder moves the pressure plate up and down within the mixing tank, water intermittently enters the mixing tank sequentially. Simultaneously, the pressure plate pulls a rope, causing the chemical oxidant in the storage tank to intermittently enter the mixing tank through a feed pipe. When the mixing tank contains both chemical oxidant and wastewater, the chemical oxidant oxidizes and decomposes the dimethylamine in the water, converting it into a harmless substance. The wastewater and chemical oxidant flow sequentially into the mixing tank, and the pressure plate's downward movement mixes the two liquids, accelerating the oxidation reaction and achieving a complete reaction.

Description

Technical Field

[0001] This invention relates to the field of chemical wastewater treatment equipment technology, specifically a wastewater treatment device for a dimethylamine intermediate tank primary distillation tower. Background Technology

[0002] Dimethylamine is an organic compound with the chemical formula C2H7N. It is a colorless gas or liquid, and when at high concentrations or when liquefied under compression, it has a strong, unpleasant ammonia odor; at extremely low concentrations, it has a fish oil-like odor. It is mainly used as a rubber vulcanization accelerator, leather depilatory agent, solvent in pharmaceuticals, pesticides, and textile industries, as well as in dyes, explosives, propellants, and as a raw material for organic intermediates such as dimethylhydrazine and N,N-dimethylformamide. Of the dimethylamine consumed, 44.7% is used in dimethylformamide production, 38.9% in pesticide production, and 16.4% in pharmaceutical and other production.

[0003] Dimethylamine is an important intermediate in pesticide production, used to prepare fungicides such as thiram, thiram-arsene, thiram-zinc, thiram-nickel, thiram-arsenic, thiophanate-methyl, and dimethylpyrimethanil; insecticides such as imidacloprid, chlorpyrifos, chlorpyrifos mononitrate, fenitrothion, and pyrimethanil; and herbicides such as chlormequat chloride, isoproturon, cyclomethrin, and fluroxypyr.

[0004] Traditional equipment cannot treat the wastewater generated after the distillation of dimethylamine in the intermediate tank distillation tower immediately. It usually needs to be returned to the plant for centralized treatment, which is time-consuming, labor-intensive, and not conducive to wastewater treatment. To address this, we provide a wastewater treatment device for the dimethylamine intermediate tank distillation tower. Summary of the Invention

[0005] The purpose of this invention is to provide a wastewater treatment device for the dimethylamine intermediate tank and primary distillation tower, so as to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0007] The present invention is a wastewater treatment device for a dimethylamine intermediate tank primary distillation tower, comprising a water control mechanism, a drainage mechanism and a shell. The water control mechanism and the drainage mechanism are both located inside the shell. The water control mechanism is located at the top inside the shell, the drainage mechanism is located at the bottom inside the shell, and the water control mechanism is located above the drainage mechanism.

[0008] The water control mechanism includes a mixing tank, inside which is a telescopic cylinder. A pressure plate is fixedly mounted on the output shaft of the telescopic cylinder. A connecting frame is fixedly mounted on the outer wall of the pressure plate. A shaft is fixedly mounted on the outer wall of the connecting frame. Four winders are fixedly mounted on the inner wall of the mixing tank. Ropes are wound around the outer wall of the winders. One end of the rope is fixedly mounted on the outer wall of the connecting frame, and the other end of the rope is fixedly mounted on an opening and closing assembly. A retraction assembly is fixedly mounted on the top of the shaft.

[0009] The drainage mechanism includes a drainage box, inside which is a curved block with a drainage outlet on its inner wall and a sliding opening on its outer wall. A drainage pipe is fixedly installed on the inner wall of the drainage box, and a blocking rod is slidably connected to the inner wall of the drainage pipe. A plate is fixedly installed at one end of the blocking rod, and a connector is fixedly installed on the outer wall of the plate. An active rack is fixedly installed on the outside of the connector. A motor is fixedly installed at the bottom of the inner wall of the drainage box, and the output shaft of the motor is fixedly installed on the outer wall of the connector. A rotating wheel and a sliding assembly are provided at the bottom of the inner wall of the drainage box, and a filter disc is fixedly installed on the outer wall of the sliding assembly.

[0010] Furthermore, the opening and closing assembly includes a material tube, a baffle is rotatably connected to the inner wall of the material tube, a return spring is symmetrically fixedly installed at the bottom of the baffle, a limit block is fixedly installed on the inner wall of the material tube, and the bottom of the return spring is fixedly connected to the other end of the rope.

[0011] Using the above technical solution, the water pressure plate pulls the rope while pressing down, causing the baffle to squeeze the reset spring downwards in the material pipe. Through the reciprocating movement of the telescopic cylinder, the chemical oxidant in the storage tank will intermittently enter the mixing tank through the material pipe, thereby controlling the flow rate of the chemical oxidant.

[0012] Furthermore, the shrinkage assembly includes a water baffle, a limit plate and a load-bearing plate are fixedly installed on the outer wall of the water baffle, and a hinge is fixedly installed on the outer wall of the water baffle, with one end of the hinge being fixedly connected to the outer wall with a shaft.

[0013] In the above technical solution, when the telescopic cylinder drives the pressure plate to move up and down in the mixing tank, the baffle plate retracts inward. When the pressure plate reaches the bottom, the baffle plate retracts completely. This process repeats itself, and the water flow intermittently flows into the water tank and then into the mixing tank through the water pipe, thus controlling the flow rate of the sewage.

[0014] Furthermore, the sliding assembly includes a guide rail, the outer wall of which is slidably connected to a slide rail, a secondary drive rack is fixedly mounted on the top of the slide rail, and an arm is fixedly mounted on the outer wall of the secondary drive rack. The teeth of the drive rack and the sliding assembly mesh with the teeth of the rotating wheel.

[0015] In the above technical solution, the motor drives the plug rod to move inside the drain pipe through the connecting part. While moving, the motor drives the active rack to move. During the movement, the active rack causes the auxiliary rack to slide forward on the guide rail through the rotating wheel, thereby driving the filter disc to move out from the sliding port, thus achieving the function of movement.

[0016] Furthermore, a pressure tank is fixedly installed on the outer wall of the water control mechanism, an annular block is fixedly installed on the inner wall of the pressure tank, a sliding hole is opened on the inner wall of the annular block, a semi-annular block is provided inside the pressure tank, a sliding rod is fixedly installed on the outer wall of the semi-annular block, a load-bearing spring is fixedly installed on the outer wall of the semi-annular block, a leakage hole is opened on the inner wall of the pressure tank, a water limiting ring block is fixedly installed at the bottom of the pressure tank, and a foot is fixedly installed at the bottom of the pressure tank.

[0017] Using the above technical solution, a portion of the oxidized wastewater will be forced to move to both sides by the pressure of the semi-annular block, and the wastewater will flow smoothly from the leak into the water-limiting ring block, and then enter the curved block through the flow hole on the drainage box, thus playing a role in circulation.

[0018] Furthermore, the interior of the outer shell is provided with a working area, the inner wall of the working area is fixedly installed with a water inlet, the bottom of the water inlet is fixedly installed with a water outlet, the bottom of the working area is fixedly installed with a water tank, the outer wall of the water tank is fixedly installed with a water flow pipe, one end of the water flow pipe is fixedly connected to the top of the mixing tank, the water outlet is placed inside the water tank, and the outer wall of the working area is fixedly installed with a heater.

[0019] Using the above technical solution, after the raw materials in the work area are processed, the remaining wastewater will flow out of the work area through the inlet and outlet drains, which facilitates the discharge of wastewater.

[0020] Furthermore, a storage box is fixedly installed on the top of the water control mechanism, and there are four storage boxes. The bottom of the storage box is fixedly connected to the top of the material pipe.

[0021] The above technical solution involves placing chemical oxidants such as ozone and hydrogen peroxide into four storage tanks in sequence to facilitate loading.

[0022] The present invention has the following beneficial effects:

[0023] (1) In the present invention, when the telescopic cylinder drives the pressure plate to move up and down in the mixing tank during sewage discharge, the baffle plate is driven to retract inward. When the pressure plate reaches the bottom, the baffle plate is fully retracted, and the water flow will intermittently flow into the water tank and then into the mixing tank through the water pipe. At the same time as the pressure plate presses down, the rope is pulled, causing the baffle plate to squeeze the reset spring downward in the material pipe. Through the reciprocating movement of the telescopic cylinder, the chemical oxidant in the storage tank will intermittently enter the mixing tank through the material pipe. When the mixing tank contains both chemical oxidant and sewage, the chemical oxidant oxidizes and decomposes the dimethylamine in the water, converting it into a harmless substance. The sewage and chemical oxidant flow into the mixing tank in sequence. The pressure plate presses down to mix the two liquids, accelerates the oxidation reaction, improves sewage discharge efficiency, and achieves the effect of full reaction.

[0024] (2) During the mixing process, some of the oxidized wastewater will be forced to move to both sides by the semi-annular block under pressure. The wastewater will then flow into the water-limiting ring block through the leakage hole and then enter the curved block through the flow hole on the drain box. When the water flows to the curved block, due to the limitation of the curved surface, the water will flow along the curved surface to the drain outlet. When the water flows down through the drain pipe, under certain conditions, such as the presence of other substances in the oxidation reaction process and the properties of the water, some sediment or particulate matter may be generated. At this time, the sediment or particulate matter generated will be filtered by the filter disc, and the water will flow out through the filter disc. At this time, the chemical oxidant completely oxidizes and decomposes the dimethylamine in the water, so that the dimethylamine in the water is completely oxidized into a more stable compound, which meets the national emission standards and achieves the effect of filtering impurities.

[0025] (3) After the sewage discharge is completed, the motor drives the plug rod to move in the drain pipe through the connector. At the same time, the active rack moves. During the movement, the active rack slides forward on the guide rail through the rotating wheel, thereby driving the filter disc to be removed from the sliding opening. This makes it easier to clean the impurities filtered out of the filter disc. The plug rod prevents the water inside the device from dripping when cleaning the filter disc, thus avoiding the outflow of impurities and achieving the effect of easy cleaning.

[0026] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the overall structure of the present invention;

[0030] Figure 3 This is a schematic diagram of the water control mechanism of the present invention;

[0031] Figure 4 For the present invention Figure 3 A magnified schematic diagram of the central part of the structure;

[0032] Figure 5 For the present invention Figure 3 A magnified schematic diagram of the central part of the structure;

[0033] Figure 6 This is a schematic diagram of the structure of the shrinkage component of the present invention;

[0034] Figure 7 This is a schematic diagram of the opening and closing component of the present invention;

[0035] Figure 8 This is an enlarged schematic diagram of the internal structure of the pressure tank in this invention;

[0036] Figure 9 For the present invention Figure 8 Reverse structure diagram;

[0037] Figure 10 This is a schematic diagram of the drainage mechanism of the present invention;

[0038] Figure 11 For the present invention Figure 10 Internal structure diagram;

[0039] Figure 12 For the present invention Figure 11 Detailed structural diagram.

[0040] The attached diagram lists the components represented by each number as follows:

[0041] In the diagram: 1. Outer shell; 2. Heater; 3. Water control mechanism; 31. Telescopic cylinder; 32. Mixing tank; 33. Pressure plate; 34. Opening and closing assembly; 341. Baffle; 342. Return spring; 343. Limiting block; 344. Material tube; 35. Winder; 36. Rope; 37. Shaft; 38. Connecting frame; 39. Retraction assembly; 391. Hinge; 392. Limiting plate; 393. Support plate; 394. Baffle; 4. Storage box; 5. Pressure tank; 51. Annular block; 52. Sliding hole; 53. Sliding rod; 54. Support spring; 55. 56. Semi-circular plug; 57. Leakage hole; 68. Water limiting ring block; 69. Drainage mechanism; 60. Drainage tank; 611. Sliding mouth; 62. Curved block; 621. Drain outlet; 63. Active rack; 631. Rotating wheel; 64. Sliding assembly; 641. Arm; 642. Auxiliary rack; 643. Slide rail; 644. Guide rail; 65. Motor; 66. Drain pipe; 67. Plug rod; 68. Plate; 681. Connector; 69. Filter disc; 7. Leg; 80. Inlet strainer; 81. Outlet strainer; 9. Working area; 10. Water flow pipe; 11. Water tank. Detailed Implementation

[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] Please see Figures 1-12 As shown, the present invention is a wastewater treatment device for the primary distillation tower of dimethylamine intermediate tank, including a water control mechanism 3, a drainage mechanism 6 and a shell 1. Both the water control mechanism 3 and the drainage mechanism 6 are located inside the shell 1. The water control mechanism 3 is located at the upper part of the shell 1, and the drainage mechanism 6 is located at the lower part of the shell 1. The purpose of this arrangement is to facilitate wastewater treatment. When the water control mechanism 3 completes its operation, the drainage mechanism 6 begins its operation. The two complement each other and work together.

[0044] The water control mechanism 3 includes a mixing tank 32. A telescopic cylinder 31 is installed inside the mixing tank 32. A pressure plate 33 is fixedly mounted on the output shaft of the telescopic cylinder 31. A connecting frame 38 is fixedly mounted on the outer wall of the pressure plate 33. A shaft 37 is fixedly mounted on the outer wall of the connecting frame 38. Four winders 35 are fixedly mounted on the inner wall of the mixing tank 32. Ropes 36 are wound around the outer wall of each winder 35. One end of the rope 36 is fixedly mounted on the outer wall of the connecting frame 38, and the other end is fixedly mounted on an opening / closing component 34. A contraction component 39 is fixedly mounted on the top of the shaft 37. This arrangement aims to accelerate the reaction between the two liquids. When the telescopic cylinder 31 moves the pressure plate 33 up and down within the mixing tank 32, the baffle plate 394 is driven inwards by it. When the pressure plate 33 reaches its lowest point, the baffle plate 394 fully retracts, and the water flow intermittently flows into the water tank 11 via the water inlet 8, and then into the mixing tank 32 via the water pipe 10. As the pressure plate 33 presses down, the rope 36 is pulled, causing the baffle plate 341 to squeeze the return spring 342 downward within the feed pipe 344. Through the reciprocating movement of the telescopic cylinder 31, the chemical oxidant in the storage tank 4 intermittently enters the mixing tank 32 via the feed pipe 344. When the mixing tank 32 contains both chemical oxidant and wastewater, the chemical oxidant oxidizes and decomposes the dimethylamine in the water, converting it into a harmless substance. The wastewater and chemical oxidant flow into the mixing tank 32 in sequence, and the pressure plate 33 presses down to mix the two liquids, accelerating the oxidation reaction.

[0045] The drainage mechanism 6 includes a drainage tank 61. A curved block 62 is disposed inside the drainage tank 61. A drainage outlet 621 is formed on the inner wall of the curved block 62. A sliding opening 611 is formed on the outer wall of the drainage tank 61. A drainage pipe 66 is fixedly installed on the inner wall of the drainage tank 61. A blocking rod 67 is slidably connected to the inner wall of the drainage pipe 66. A plate 68 is fixedly installed at one end of the blocking rod 67. A connector 681 is fixedly installed on the outer wall of the plate 68. A drive rack 63 is fixedly installed on the outside of the connector 681. A motor 65 is fixedly installed at the bottom of the inner wall of the drainage tank 61. The output shaft of the motor 65 is fixedly installed on the outer wall of the connector 681. A rotating wheel 6 is disposed at the bottom of the inner wall of the drainage tank 61. 31 and sliding assembly 64, the outer wall of which is fixedly mounted with filter disc 69. The purpose of this arrangement is to facilitate cleaning of filter disc 69. After the sewage is discharged, motor 65 drives plug rod 67 to move in drain pipe 66 through connector 681. At the same time, it drives active rack 63 to move. During the movement, active rack 63 causes auxiliary rack 642 to slide forward on guide rail 644 through rotating wheel 631, thereby driving filter disc 69 to move out from sliding port 611, which facilitates cleaning of impurities filtered out of filter disc 69. The back plugging of plug rod 67 prevents residual water inside the device from dripping when cleaning filter disc 69, thus avoiding the outflow of impurities.

[0046] The opening and closing assembly 34 includes a feed pipe 344, with a baffle 341 rotatably connected to the inner wall of the feed pipe 344. A return spring 342 is symmetrically fixedly installed at the bottom of the baffle 341. A limit block 343 is fixedly installed on the inner wall of the feed pipe 344. The bottom of the return spring 342 is fixedly connected to the other end of the rope 36. The purpose of this arrangement is to facilitate the control of the flow rate of the chemical oxidant. When the pressure plate 33 presses down, it pulls the rope 36, causing the baffle 341 to squeeze the return spring 342 downward within the feed pipe 344. Through the reciprocating movement of the telescopic cylinder 31, the chemical oxidant in the storage tank 4 will intermittently enter the mixing tank 32 through the feed pipe 344.

[0047] The shrinkage assembly 39 includes a baffle plate 394. A limit plate 392 and a load-bearing plate 393 are fixedly installed on the outer wall of the baffle plate 394. A hinge 391 is fixedly installed on the outer wall of the baffle plate 394. One end of the hinge 391 is fixedly connected to the outer wall of the shaft 37. The purpose of this arrangement is to control the flow rate of sewage. When the telescopic cylinder 31 drives the pressure plate 33 to move up and down in the mixing tank 32, the baffle plate 394 is driven to shrink inward. When the pressure plate 33 reaches the bottom, the baffle plate 394 is fully shrunk. This process is repeated in sequence, and the water flow will intermittently flow into the water tank 11 and then into the mixing tank 32 through the water pipe 10.

[0048] The sliding assembly 64 includes a guide rail 644, with a slide rail 643 slidably connected to the outer wall of the guide rail 644. A secondary drive rack 642 is fixedly installed on the top of the slide rail 643, and an arm 641 is fixedly installed on the outer wall of the secondary drive rack 642. The teeth of the drive rack 63 and the sliding assembly 64 mesh with the teeth of the rotating wheel 631. This arrangement is intended to facilitate the sliding out of the filter disc 69. The motor 65 drives the plug rod 67 to move inside the drain pipe 66 through the connector 681. While moving, the drive rack 63 moves. During the movement, the drive rack 63 causes the secondary drive rack 642 to slide forward on the guide rail 644 through the rotating wheel 631, thereby moving the filter disc 69 out from the sliding opening 611.

[0049] A pressure tank 5 is fixedly installed on the outer wall of the water control mechanism 3. An annular block 51 is fixedly installed on the inner wall of the pressure tank 5. A sliding hole 52 is opened on the inner wall of the annular block 51. A semi-annular block 55 is set inside the pressure tank 5. A sliding rod 53 is fixedly installed on the outer wall of the semi-annular block 55. A load-bearing spring 54 is fixedly installed on the outer wall of the semi-annular block 55. A leakage hole 56 is opened on the inner wall of the pressure tank 5. A water-limiting ring block 57 is fixedly installed at the bottom of the pressure tank 5. A foot bracket 7 is fixedly installed at the bottom of the pressure tank 5. The purpose of this arrangement is to facilitate downward flow. During the mixing process, some of the oxidized wastewater will be forced to move to both sides by the pressure of the semi-annular block 55, and the wastewater will then flow smoothly from the leakage hole 56. The water flows into the water-limiting ring block 57, and then enters the curved block 62 through the flow holes on the drain tank 61. When the water flows to the curved block 62, due to the limitation of the curved surface, the water will flow along the curved surface to the drain outlet 621. When the water flows down through the drain pipe 66, under certain conditions, such as the presence of other substances in the oxidation reaction process and the properties of the water, some sediment or particulate matter may be generated. At this time, the sediment or particulate matter generated will be filtered by the filter disc 69, and the water will flow out through the filter disc. At this time, the chemical oxidant completely oxidizes and decomposes the dimethylamine in the water, making the dimethylamine in the water completely oxidized into a more stable compound, which meets the national emission standards.

[0050] The outer casing 1 has an internal working area 9. An inlet 8 is fixedly installed on the inner wall of the working area 9, and an outlet 81 is fixedly installed at the bottom of the inlet 8. A water tank 11 is fixedly installed at the bottom of the working area 9. A water flow pipe 10 is fixedly installed on the outer wall of the water tank 11. One end of the water flow pipe 10 is fixedly connected to the top of the mixing tank 32. The outlet 81 is placed inside the water tank 11. A heater 2 is fixedly installed on the outer wall of the working area 9. The purpose of this arrangement is to facilitate the outflow of sewage. After the raw materials in the working area 9 are processed, the remaining sewage waste will flow out of the working area 9 through the inlet 8 and the outlet 81.

[0051] The top of the water control mechanism 3 is fixedly equipped with a storage tank 4. There are four storage tanks 4. The bottom of the storage tank 4 is fixedly connected to the top of the material pipe 344. The purpose of this setting is to facilitate the loading of chemical oxidants such as ozone and hydrogen peroxide into the four storage tanks 4 in sequence.

[0052] In operation, chemical oxidants such as ozone and hydrogen peroxide are sequentially placed into the four storage tanks 4. Then, the internal working zone 9 completes its work. Under the stimulation of the heater 2, dimethylamine is fully extracted from the zone. A portion of dimethylamine remains in the remaining wastewater compounds within the working zone 9. At this point, the telescopic cylinder 31 drives the pressure plate 33 downwards. Simultaneously, because the baffle plate 394 is connected to the shaft 37 via the hinge 391, and the shaft 37 is connected to the pressure plate 33 via the connecting frame 38, when the telescopic cylinder 31 drives the pressure plate 33 to move up and down within the mixing tank 32, the baffle plate 394 retracts inwards. When the pressure plate 33 reaches the bottom, the baffle plate 394 is fully retracted, and this process repeats continuously. Water flows intermittently into the water tank 11 via the water inlet 8, and then into the mixing tank 32 via the water pipe 10. Simultaneously, the pressure plate 33 pulls down, pulling the rope 36, causing the baffle 341 to compress the return spring 342 downwards within the feed pipe 344. Through the reciprocating movement of the telescopic cylinder 31, the chemical oxidant in the storage tank 4 intermittently flows into the mixing tank 32 via the feed pipe 344. When the mixing tank 32 contains both chemical oxidant and wastewater, the chemical oxidant oxidizes and decomposes the dimethylamine in the water, converting it into a harmless substance. The wastewater and chemical oxidant flow sequentially into the mixing tank 32. The pressure plate 33 continuously presses down on the two mixtures, mixing them and accelerating the oxidation reaction. To improve sewage discharge efficiency, during the mixing process, some of the oxidized wastewater is forced to move to both sides by the pressure of the semi-annular block 55. The wastewater then flows smoothly from the leak 56 into the water-limiting ring block 57, and then enters the curved block 62 through the flow holes on the drain tank 61. When the water flows to the curved block 62, due to the limitation of the curved surface, the water flows along the curved surface towards the drain outlet 621. As the water flows down through the drain pipe 66, under certain conditions, such as the presence of other substances in the oxidation reaction process and the properties of the water, some sediment or particulate matter may be generated. At this time, the sediment or particulate matter will be filtered by the filter disc 69, and the water will flow out through the filter plate. The chemical oxidant completely oxidizes and decomposes the dimethylamine in the water, converting it into a more stable compound that meets national emission standards and achieves the effect of sewage discharge. After sewage discharge, the motor 65 drives the plug rod 67 to move inside the drain pipe 66 through the connector 681. While moving, the motor 65 drives the active rack 63 to move. During the movement, the active rack 63 causes the auxiliary rack 642 to slide forward on the guide rail 644 through the rotating wheel 631, thereby moving the filter disc 69 out of the sliding port 611. This facilitates the cleaning of impurities filtered out of the filter disc 69. The plug rod 67 prevents residual water inside the device from dripping during the cleaning of the filter disc 69, thus preventing impurities from flowing out. At this point, the sewage discharge of the device is completed.

[0053] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A dimethylamine intermediate tank primary fractionator wastewater treatment device, comprising a water control mechanism (3), a water discharge mechanism (6) and a shell (1), characterized in that: The water control mechanism (3) and the drainage mechanism (6) are both located inside the outer shell (1). The water control mechanism (3) is located at the top inside the outer shell (1), and the drainage mechanism (6) is located at the bottom inside the outer shell (1). The water control mechanism (3) is located above the drainage mechanism (6). The water control mechanism (3) includes a mixing tank (32), inside which is a telescopic cylinder (31), the output shaft of the telescopic cylinder (31) is fixedly mounted with a water pressure plate (33), the outer wall of the water pressure plate (33) is fixedly mounted with a connecting frame (38), the outer wall of the connecting frame (38) is fixedly mounted with a shaft (37), the inner wall of the mixing tank (32) is fixedly mounted with a winder (35), there are four winders (35), the outer wall of the winder (35) is wound with a rope (36), one end of the rope (36) is fixedly mounted with the outer wall of the connecting frame (38), the other end of the rope (36) is fixedly mounted with an opening and closing component (34), and the top of the shaft (37) is fixedly mounted with a retraction component (39). The drainage mechanism (6) includes a drainage tank (61), inside which is a curved block (62), and the inner wall of the curved block (62) has a drainage port (621). The outer wall of the drainage tank (61) has a sliding opening (611). A drainage pipe (66) is fixedly installed on the inner wall of the drainage tank (61), and a blocking rod (67) is slidably connected to the inner wall of the drainage pipe (66). One end of the blocking rod (67) is fixedly installed with a strip plate (68). A connector (681) is fixedly installed on the outer wall of (68), and an active rack (63) is fixedly installed on the outside of the connector (681). A motor (65) is fixedly installed on the bottom of the inner wall of the drain tank (61), and the output shaft of the motor (65) is fixedly installed on the outer wall of the connector (681). A rotating wheel (631) and a sliding assembly (64) are provided on the bottom of the inner wall of the drain tank (61), and a filter disc (69) is fixedly installed on the outer wall of the sliding assembly (64).

2. A dimethyl amine intermediate tank preliminary distillation column wastewater treatment device according to claim 1, characterized in that: The opening and closing assembly (34) includes a material tube (344), a baffle (341) is rotatably connected to the inner wall of the material tube (344), a return spring (342) is symmetrically fixedly installed at the bottom of the baffle (341), a limit block (343) is fixedly installed on the inner wall of the material tube (344), and the bottom of the return spring (342) is fixedly connected to the other end of the rope (36).

3. A dimethyl amine intermediate tank preliminary distillation column wastewater treatment device according to claim 1, characterized in that: The shrinking assembly (39) includes a baffle plate (394), a limit plate (392) and a load-bearing plate (393) are fixedly installed on the outer wall of the baffle plate (394), and a hinge (391) is fixedly installed on the outer wall of the baffle plate (394), one end of the hinge (391) is fixedly connected to the outer wall of the shaft (37).

4. A dimethyl amine intermediate tank preliminary distillation column sewage treatment device according to claim 1, characterized in that: The sliding assembly (64) includes a guide rail (644), a slide rail (643) is slidably connected to the outer wall of the guide rail (644), a secondary drive rack (642) is fixedly installed on the top of the slide rail (643), an arm (641) is fixedly installed on the outer wall of the secondary drive rack (642), and the teeth of the drive rack (63) and the sliding assembly (64) mesh with the teeth of the rotating wheel (631).

5. A dimethyl amine intermediate tank preliminary distillation column sewage treatment device according to claim 1, characterized in that: A pressure tank (5) is fixedly installed on the outer wall of the water control mechanism (3). An annular block (51) is fixedly installed on the inner wall of the pressure tank (5). A sliding hole (52) is opened on the inner wall of the annular block (51). A semi-annular block (55) is provided inside the pressure tank (5). A sliding rod (53) is fixedly installed on the outer wall of the semi-annular block (55). A load-bearing spring (54) is fixedly installed on the outer wall of the semi-annular block (55). A leakage hole (56) is opened on the inner wall of the pressure tank (5). A water-limiting ring block (57) is fixedly installed at the bottom of the pressure tank (5). A foot bracket (7) is fixedly installed at the bottom of the pressure tank (5).

6. A dimethyl amine intermediate tank preliminary distillation column sewage treatment device according to claim 1, characterized in that: The outer shell (1) has an internal working area (9). An inlet hopper (8) is fixedly installed on the inner wall of the working area (9). An outlet hopper (81) is fixedly installed at the bottom of the inlet hopper (8). A water tank (11) is fixedly installed at the bottom of the working area (9). A water pipe (10) is fixedly installed on the outer wall of the water tank (11). One end of the water pipe (10) is fixedly connected to the top of the mixing tank (32). The outlet hopper (81) is placed inside the water tank (11). A heater (2) is fixedly installed on the outer wall of the working area (9).

7. A dimethyl amine intermediate tank preliminary distillation column sewage treatment device according to claim 1, characterized in that: The top of the water control mechanism (3) is fixedly installed with a storage box (4), and there are four storage boxes (4). The bottom of the storage box (4) is fixedly connected to the top of the material pipe (344).

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