Chemical wastewater environment-friendly treatment device and treatment method

Abstract

The invention belongs to the technical field of wastewater treatment and particularly discloses an environment-friendly chemical wastewater treatment device and method.The environment-friendly chemical wastewater treatment device comprises a wastewater cylinder, a supporting seat is fixedly mounted on the lower side of the wastewater cylinder, a drainage pipe is fixedly arranged at the lower end of the wastewater cylinder, and a stirring assembly is arranged on the inner side of the wastewater cylinder; the upper side of the stirring assembly is provided with a filtering assembly, the upper end of the stirring assembly is provided with a second motor, the lower end of a rotating shaft of the second motor is fixedly provided with a stirring rod, the upper side of the stirring assembly and the upper side of the filtering assembly are fixedly connected with water inlet pipes, and the stirring assembly comprises an inner cylinder arranged on the inner side of the waste water cylinder; a side ring is fixedly arranged at the lower end of the inner cylinder, and filter holes are formed in the lower side of the inner cylinder. Through overall cooperative use, formed flocculates are stored on the side rings and cannot be in direct contact with the stirring rod or impact of inertia of water flow after the stirring rod stops, the formed flocculates are not prone to being affected, and precipitation is faster.

Description

Technical Field

[0001] The invention belongs to the technical field of wastewater treatment, and specifically discloses an environmentally friendly treatment device and a treatment method for chemical wastewater. Background Art

[0002] Chemical wastewater refers to wastewater generated during the production process of chemical plants, mainly including organic chemical wastewater and inorganic chemical wastewater. When treating chemical wastewater, coagulants are added to stir the wastewater so that the suspended matter in the wastewater is quickly precipitated and filtered. However, as the coagulant is added to the precipitate, the stirring structure and the flow of the water body often break up the flocculated flocs to form larger flocs. After the flocs are broken, the turbidity of the water body produced by more small flocs is high and cannot be quickly reduced, affecting the water purification treatment. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an environmentally friendly chemical wastewater treatment device and treatment method.

[0004] To achieve the above objectives, the present invention provides an environmental protection treatment device for chemical wastewater, comprising a wastewater barrel, a support seat is fixedly installed on the lower side of the wastewater barrel, a drain pipe is fixedly arranged at the lower end of the wastewater barrel, a stirring assembly is arranged on the inner side of the wastewater barrel, a filter assembly is arranged on the upper side of the stirring assembly, a second motor is arranged on the upper end of the stirring assembly, a stirring rod is fixedly arranged on the lower end of the rotating shaft of the second motor, a water inlet pipe is fixedly connected to the upper sides of the stirring assembly and the filter assembly, the stirring assembly comprises an inner barrel arranged on the inner side of the wastewater barrel, a side ring is fixedly arranged on the lower end of the inner barrel, a filter hole is opened on the lower side of the inner barrel, a cover plate is fixedly arranged on the upper end of the inner barrel, and the inner barrel A plurality of groups of openings are provided on the inner side, baffles are rotatably provided on the inner sides of the plurality of groups of openings, gear one is fixedly provided on the upper sides of the rotating shafts of the plurality of groups of baffles, a fixed cover ring is fixedly provided on the upper end of the waste water cylinder, a snap ring is fixedly provided on the lower end of the fixed cover ring, a gear ring is movably provided between the fixed cover ring and the cover plate, a slide groove is provided on the upper side of the gear ring at a position corresponding to the snap ring, guide plates are fixedly provided on the inner wall of the waste water cylinder at a position corresponding to the position between every two groups of baffles, a motor one is fixedly provided on the upper end of the fixed cover ring, a transmission rod is fixedly provided on the lower end of the rotating shaft of the motor one, a gear two is fixedly provided on the upper side of the transmission rod, and a gear three is fixedly provided on the lower side of the transmission rod.

[0005] In the above technical solution, preferably, a sealing turntable is rotatably arranged on the inner side of the wastewater barrel in close contact with the bottom of the inner barrel, a plurality of sewage outlets are provided corresponding to the inner barrel and the bottom of the sealing turntable, a movable opening is provided on one side of the sealing turntable corresponding to the third position of the gear, a rack is fixedly arranged on one side of the movable opening, two groups of conical filter plates are fixedly arranged inside the lower side of the wastewater barrel, sewage pipe one is fixedly arranged at the lower ends of the two groups of conical filter plates, and sewage pipe two is fixedly arranged on one side of the wastewater barrel near the side ring position.

[0006] In the above technical scheme, preferably, the filter assembly includes a shaft seat fixedly connected to the upper end of the cover plate, a shaft rod is rotatably arranged on the inner side of the shaft seat, a bevel gear is fixedly arranged on one end of the shaft rod and the outer side of the stirring rod, a fan is fixedly arranged on the other end of the shaft rod, a filter shell is fixedly arranged on one side of the cover plate near the fan, a circular ring is fixedly arranged on one side of the filter shell at a position corresponding to the fan, a collecting cylinder is threadedly connected at the center position of the filter shell, an inlet is provided on the collecting cylinder and the inner wall of the filter shell, a rotating ring is rotatably arranged on the lower side of the filter shell, a filter net is fixedly arranged on the inner side of the rotating ring, guide cavities are arranged inside both sides of the filter shell, and a plurality of groups of fixing plates are fixedly arranged inside the lower side of the rotating ring.

[0007] In the above technical solution, preferably, an electronic valve is fixedly installed on the drain pipe, the second motor is fixedly installed on the upper end of the cover plate, the stirring rod passes through the cover plate to the inner side of the inner cylinder, the two groups of water inlet pipes are respectively fixedly connected to the cover plate and the filter shell, the side ring, the cover plate and the waste water cylinder are fixedly connected, the baffle seal is blocked on the inner side of the opening, and the baffle rotating shaft passes through the inner side of the cover plate.

[0008] In the above technical solution, preferably, the retaining ring is engaged with the inner side of the slide groove, the gear ring is meshed with several groups of gears, the guide plate is inclined, the transmission rod passes through the cover plate and the inner side of the side ring, the gear two is meshed with the gear ring, and the gear three is meshed with the rack.

[0009] In the above technical solution, preferably, the inner side of the sealing turntable that fits the inner cylinder is conical, the sewage pipe 1 is connected to an external sewage pump, electronic valves are fixedly installed on the sewage pipe 1 and the sewage pipe 2, and the sewage pipe 2 is fixedly connected to the two groups of sewage pipes.

[0010] In the above technical solution, preferably, the two groups of bevel gears are meshed, and the fan is arranged on the inner side of the ring, and the fan corresponds to the position of the inlet.

[0011] In the above technical solution, one of the two groups of guide cavities corresponds to the inlet, the other of the two groups of guide cavities corresponds to the connected water inlet pipe, and the fixing plate is arranged obliquely.

[0012] A wastewater treatment method is also provided, which is used to operate a chemical wastewater environmental protection treatment device, comprising the following steps:

[0013] S1: The solid impurities in the wastewater are initially filtered through the filter screen, and the rotating fan blows the impurities on the filter screen to the inlet and into the collection tube for collection;

[0014] S2: The motor opens the opening, and the stirring rod rotates and stirs to generate a vortex, so that the floccules enter between the inner cylinder and the wastewater cylinder under the centrifugal force of the water vortex. Most of the formed floccules are stored on the side ring and will not directly contact the stirring rod and the vortex water flow;

[0015] S3: The wastewater after the reaction is controlled by motor 1, the sewage outlet is opened, and a small amount of flocculants inside the inner cylinder are discharged downward along with the wastewater. The wastewater and flocculants are filtered in the second and third stages respectively through two sets of conical filter plates.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. Chemical wastewater can be discharged into the inner side of the inner cylinder through the water inlet pipe connected to the filter shell. When the wastewater enters the filter shell, it will pass through the filter screen to perform preliminary filtering on the solid impurities in the wastewater. When the wastewater flows downward through the filter screen, it will impact several groups of inclined fixed plates, so that the fixed plates drive the rotating ring to rotate, and the impurities filtered on the filter screen are brought to another group of guide cavities. When the stirring rod and a group of connected bevel gears are driven to rotate by the second motor, another group of meshing bevel gears and the fixed shaft rod and fan are driven to rotate, forming an airflow to blow the impurities on the filter screen to the inlet, enter the collection tube for collection, and improve the cleanliness of the filter screen.

[0018] 2. The guide vane, gear 2 and transmission rod are driven to rotate by motor 1, and gear 3 drives the meshing sealing turntable to rotate, so that the inner cylinder and the sewage outlet at the bottom of the sealing turntable are staggered, and the bottom of the inner cylinder is sealed, while gear 2 drives the gear ring to rotate, drives several groups of gear 1, rotates several groups of baffles, opens the opening, and then discharges the wastewater into the inner side of the inner cylinder, and adds the mixture through another group of water inlet pipes, cooperates with motor 2 to drive the stirring rod to rotate and stir to generate a vortex, so that it is fully mixed and reacted to form floccules, and the floccules are close to the wall of the inner cylinder under the centrifugal force of the water vortex, and the floccules pass through the opening and enter between the inner cylinder and the wastewater cylinder, and are guided by the guide vane to flow to the side ring position at the bottom, and most of the formed floccules in the cavity between the inner cylinder and the wastewater cylinder are stored on the side ring therein, and will not directly contact the stirring rod, or the impact of the water inertia after the stirring rod stops, which is not easy to affect the formed floccules and settles more quickly.

[0019] 3. The wastewater after the reaction is controlled by motor 1, which drives the meshing rack and the sealing turntable to rotate, so that the inner cylinder corresponds to the sewage outlet on the sealing turntable, and a small amount of flocculants inside the inner cylinder are discharged downward along with the wastewater. The wastewater and flocculants are filtered in the second and third levels respectively through two sets of conical filter plates. The filtered wastewater is discharged from the drain pipe after environmental protection treatment, and the electronic valves on the sewage pipe 1 and the sewage pipe 2 are opened respectively to discharge and collect the filtered flocculants for subsequent work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a chemical wastewater environmental protection treatment device proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the internal structure of a chemical wastewater environmental protection treatment device proposed by the present invention;

[0022] Figure 3 A chemical wastewater environmental protection treatment device proposed by the present invention Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0023] Figure 4 This is a schematic diagram of the partially expanded structure of a chemical wastewater environmental protection treatment device proposed by the present invention;

[0024] Figure 5 A schematic diagram of the partial internal structure of a wastewater cylinder of a chemical wastewater environmental protection treatment device proposed by the present invention;

[0025] Figure 6 A chemical wastewater environmental protection treatment device proposed by the present invention Figure 5 The enlarged structural diagram of the middle B part;

[0026] Figure 7 This is a partial bottom-up structural schematic diagram of a stirring assembly of a chemical wastewater environmental protection treatment device proposed by the present invention;

[0027] Figure 8 A schematic diagram of the internal structure of a filter assembly of a chemical wastewater environmental treatment device proposed by the present invention;

[0028] Fig. 9 This is a schematic diagram of the partially expanded structure of a filter component of a chemical wastewater environmental protection treatment device proposed by the present invention.

[0029] In the figure: 1, waste water cylinder; 2, support seat; 3, drain pipe; 4, stirring assembly; 41, inner cylinder; 42, side ring; 43, filter hole; 44, cover plate; 45, opening; 46, baffle; 47, gear 1; 48, fixed cover ring; 49, snap ring; 410, gear ring; 411, slide groove; 412, guide vane; 413, motor 1; 414, transmission rod; 415, gear 2; 416, gear 3; 417, sealing turntable; 418, Drain port; 419, movable port; 420, rack; 421, conical filter plate; 422, drain pipe one; 423, drain pipe two; 5, filter assembly; 51, shaft seat; 52, shaft rod; 53, bevel gear; 54, fan; 55, filter shell; 56, ring; 57, collecting cylinder; 58, inlet port; 59, rotating ring; 510, filter screen; 511, guide chamber; 512, fixing plate; 6, motor two; 7, stirring rod; 8, water inlet pipe. DETAILED DESCRIPTION

[0030] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] like Figures 1 to 9The environmental protection treatment device for chemical wastewater shown in the figure comprises a wastewater barrel 1, a support seat 2 is fixedly installed on the lower side of the wastewater barrel 1, a drain pipe 3 is fixedly arranged at the lower end of the wastewater barrel 1, a stirring assembly 4 is arranged on the inner side of the wastewater barrel 1, a filter assembly 5 is arranged on the upper side of the stirring assembly 4, a motor 6 is arranged on the upper end of the stirring assembly 4, a stirring rod 7 is fixedly arranged on the lower end of the rotating shaft of the motor 6, and a water inlet pipe 8 is fixedly connected to the upper sides of the stirring assembly 4 and the filter assembly 5. The stirring assembly 4 comprises an inner barrel 41 arranged on the inner side of the wastewater barrel 1, a side ring 42 is fixedly arranged on the lower end of the inner barrel 41, a filter hole 43 is opened on the lower side of the inner barrel 41, a cover plate 44 is fixedly arranged on the upper end of the inner barrel 41, and a plurality of groups of openings 45 are opened on the inner side of the inner barrel 41, and a plurality of groups of openings 46 are opened on the inner side of the inner barrel 41. 5 are rotatably provided with baffles 46 on the inner side, and gears 1 47 are fixedly provided on the upper sides of the rotating shafts of several groups of baffles 46. A fixed cover ring 48 is fixedly provided on the upper end of the waste water cylinder 1, and a snap ring 49 is fixedly provided on the lower end of the fixed cover ring 48. A gear ring 410 is movably provided between the fixed cover ring 48 and the cover plate 44, and a slide groove 411 is provided on the upper side of the gear ring 410 corresponding to the position of the snap ring 49. A guide plate 412 is fixedly provided on the inner wall of the waste water cylinder 1 at the position between every two groups of baffles 46, a motor 1 413 is fixedly provided on the upper end of the fixed cover ring 48, and a transmission rod 414 is fixedly provided on the lower end of the rotating shaft of the motor 1 413. A gear 2 415 is fixedly provided on the upper side of the transmission rod 414, and a gear 3 416 is fixedly provided on the lower side of the transmission rod 414.

[0033] An electronic valve is fixedly installed on the drain pipe 3, motor 2 6 is fixedly installed on the upper end of the cover plate 44, the stirring rod 7 passes through the cover plate 44 to the inner side of the inner cylinder 41, two groups of water inlet pipes 8 are fixedly connected to the cover plate 44 and the filter shell 55 respectively, the side ring 42, the cover plate 44 and the waste water cylinder 1 are fixedly connected, the baffle 46 is sealed and blocked on the inner side of the opening 45, the rotating shaft of the baffle 46 passes through the inner side of the cover plate 44, the snap ring 49 is engaged with the inner side of the slide groove 411, the gear ring 410 is meshed with several groups of gears 1 47, the guide plate 412 is inclined, the transmission rod 414 passes through the cover plate 44 and the inner side of the side ring 42, the gear 2 415 is meshed with the gear ring 410, and the gear 3 416 is meshed with the rack 420.

[0034] The guide plate 412, the gear 2 415 and the transmission rod 414 are driven to rotate by the motor 1 413, and the gear 3 416 drives the meshing sealing turntable 417 to rotate, so that the inner cylinder 41 and the bottom sewage outlet 418 of the sealing turntable 417 are staggered, and the bottom of the inner cylinder 41 is sealed, and the gear 2 415 drives the gear ring 410 to rotate, drives several groups of gears 1 47, and rotates several groups of baffles 46 to open the opening 45, and then discharges the waste water into the inner side of the inner cylinder 41, and adds the mixed agent through another group of water inlet pipes 8, and cooperates with the motor 2 6 to drive The stirring rod 7 rotates and stirs to generate a vortex, which is fully mixed and reacted to form flocs. Under the centrifugal force of the water vortex, the flocs lean against the wall of the inner cylinder 41, and pass through the opening 45 to enter between the inner cylinder 41 and the wastewater cylinder 1. They are guided by the guide plate 412 and flow to the side ring 42 at the bottom. In the cavity between the inner cylinder 41 and the wastewater cylinder 1, most of the formed flocs are stored on the side ring 42 therein and will not directly contact the stirring rod 7 or be impacted by the inertia of the water flow after the stirring rod 7 stops. Therefore, the formed flocs are not easily affected and settle more quickly.

[0035] A sealing turntable 417 is rotatably arranged on the inner side of the wastewater cylinder 1 in contact with the bottom of the inner cylinder 41, and a plurality of sewage outlets 418 are provided at the bottom of the inner cylinder 41 and the sealing turntable 417 correspondingly. A movable opening 419 is provided on one side of the sealing turntable 417 corresponding to the position of the gear three 416, and a rack 420 is fixedly arranged on one side of the movable opening 419. Two groups of conical filter plates 421 are fixedly arranged inside the lower side of the wastewater cylinder 1, and sewage pipe one 422 is fixedly arranged at the lower end of the two groups of conical filter plates 421, and sewage pipe two 423 is fixedly arranged on one side of the wastewater cylinder 1 near the side ring 42.

[0036] The inner side of the sealing turntable 417 is conical in shape where it fits the inner cylinder 41 . The sewage pipe 1 422 is connected to an external sewage pump. Electronic valves are fixedly installed on the sewage pipe 1 422 and the sewage pipe 2 423 . The sewage pipe 2 423 is fixedly connected to the two sets of sewage pipes 1 422 .

[0037] The reacted wastewater is then controlled by a motor 413 to drive the meshing rack 420 and the sealing turntable 417 to rotate, so that the inner cylinder 41 corresponds to the sewage outlet 418 on the sealing turntable 417, and a small amount of flocculants in the inner cylinder 41 are discharged downward along with the wastewater. The wastewater and the flocculants are filtered in the second and third stages respectively by two sets of conical filter plates 421. After environmental protection treatment, the filtered wastewater is discharged from the drain pipe 3, and the electronic valves on the sewage pipe 1 422 and the sewage pipe 2 423 are opened respectively to discharge and collect the filtered flocculants for subsequent work.

[0038] The filter assembly 5 includes a shaft seat 51 fixedly connected to the upper end of the cover plate 44, a shaft rod 52 is rotatably provided on the inner side of the shaft seat 51, a bevel gear 53 is fixedly provided on one end of the shaft rod 52 and the outer side of the stirring rod 7, a fan 54 is fixedly provided on the other end of the shaft rod 52, a filter shell 55 is fixedly provided on one side of the cover plate 44 near the fan 54, a ring 56 is fixedly provided on one side of the filter shell 55 at a position corresponding to the fan 54, a collecting cylinder 57 is threadedly connected to the center of the filter shell 55, and an inlet 58 is provided on the inner wall of the collecting cylinder 57 and the filter shell 55, a rotating ring 59 is rotatably provided on the lower side of the filter shell 55, a filter screen 510 is fixedly provided on the inner side of the rotating ring 59, guide cavities 511 are provided inside both sides of the filter shell 55, and a plurality of groups of fixing plates 512 are fixedly provided inside the lower side of the rotating ring 59.

[0039] The two sets of bevel gears 53 are meshed, the fan 54 is arranged on the inner side of the ring 56, the fan 54 corresponds to the position of the inlet 58, one of the two sets of guide cavities 511 corresponds to the inlet 58, the other of the two sets of guide cavities 511 corresponds to the connected water inlet pipe 8, and the fixing plate 512 is inclined.

[0040] The chemical wastewater can be discharged into the inner side of the inner cylinder 41 through the water inlet pipe 8 connected to the filter shell 55. When the wastewater enters the filter shell 55, the solid impurities in the wastewater will be initially filtered through the filter screen 510. When the wastewater flows downward through the filter screen 510, it will impact a plurality of groups of inclined fixed plates 512, so that the fixed plates 512 drive the rotating ring 59 to rotate, and the impurities filtered on the filter screen 510 are brought to another group of guide cavities 511. When the motor 2 6 drives the stirring rod 7 and a group of connected bevel gears 53 to rotate, the other group of meshed bevel gears 53, the fixed shaft 52, and the fan 54 are driven to rotate, forming an airflow to blow the impurities on the filter screen 510 to the inlet 58, and enter the collecting cylinder 57 for collection, thereby improving the cleanliness of the filter screen 510.

[0041] A wastewater treatment method is also provided, which is used to operate a chemical wastewater environmental protection treatment device, comprising the following steps:

[0042] S1: Preliminary filtering of solid impurities in the wastewater is performed through the filter screen 510, and at the same time, the rotating fan 54 blows the impurities on the filter screen 510 to the inlet 58 and enters the collection tube 57 for collection;

[0043] S2: The opening 45 is opened by the motor 413, and the stirring rod 7 is rotated and stirred to generate a vortex, so that the floccules enter between the inner cylinder 41 and the waste water cylinder 1 under the centrifugal force of the vortex of the water flow, and most of the formed floccules are stored on the side ring 42 and will not directly contact the stirring rod 7 and the vortex water flow;

[0044] S3: The wastewater after the reaction is controlled by a motor 413, the sewage outlet 418 is opened, and a small amount of flocculants in the inner cylinder 41 are discharged downward along with the wastewater. The wastewater and flocculants are filtered in the second and third stages respectively by two sets of conical filter plates 421.

[0045] Working principle: Chemical wastewater can be discharged into the inner side of the inner cylinder 41 through the water inlet pipe 8 connected to the filter shell 55. When the wastewater enters the filter shell 55, it will pass through the filter screen 510 to perform preliminary filtering on the solid impurities in the wastewater. When the wastewater flows downward through the filter screen 510, it will impact a plurality of groups of inclined fixed plates 512, so that the fixed plates 512 drive the rotating ring 59 to rotate, and the impurities filtered on the filter screen 510 are brought to another group of guide cavities 511. When the motor 2 6 drives the stirring rod 7 and the connected group of bevel gears 53 to rotate, the other group of meshing bevel gears 53 are driven to rotate with the fixed shaft. The rod 52 and the fan 54 rotate to form an airflow to blow the impurities on the filter 510 to the inlet 58 and into the collection tube 57 for collection, thereby improving the cleanliness of the filter 510. In addition, before use, the guide plate 412, the gear 2 415 and the transmission rod 414 are driven to rotate by the motor 1 413, and the gear 3 416 drives the meshing sealing turntable 417 to rotate, so that the inner tube 41 and the sewage outlet 418 at the bottom of the sealing turntable 417 are staggered, and the bottom of the inner tube 41 is sealed, and the gear 2 415 drives the gear ring 410 to rotate, drives a plurality of sets of gears 1 47, and makes a plurality of sets of baffles 46 rotate, so that the opening 45 is opened, and then the waste water is discharged into the inner side of the inner cylinder 41, and the mixture is added through another set of water inlet pipes 8, and the stirring rod 7 is driven by the motor 2 6 to rotate and stir to generate a vortex, so that it is fully mixed and reacted to form floccules. Under the centrifugal force of the water vortex, the floccules lean against the wall of the inner cylinder 41, and pass through the opening 45. The floccules enter between the inner cylinder 41 and the waste water cylinder 1, and are guided by the guide plate 412 to flow to the side ring 42 at the bottom. In the cavity between the inner cylinder 41 and the waste water cylinder 1, most of the formed floccules are stored on the side ring 42 therein, and will not directly contact the stirring rod 7, or be impacted by the inertia of the water flow after the stirring rod 7 stops. It is not easy to affect the formed flocculants and settles more quickly; the wastewater after the reaction is controlled by the motor 413 to drive the meshing rack 420 and the sealing turntable 417 to rotate, so that the inner cylinder 41 corresponds to the sewage outlet 418 on the sealing turntable 417, and a small amount of flocculants in the inner cylinder 41 are discharged downward along with the wastewater, and the wastewater and flocculants are respectively filtered in the second and third levels by two groups of conical filter plates 421. After the filtered wastewater is treated by environmental protection, it is discharged from the drain pipe 3, and the electronic valves on the sewage pipe 1 422 and the sewage pipe 2 423 are opened respectively to discharge and collect the filtered flocculants for subsequent work.

[0046] The electrical devices in the present invention are all common knowledge in the art, and their working principles are already known technologies. The models are selected according to actual use, so they will not be explained in detail.

[0047] In the present invention, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; it can be connected directly or indirectly through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] In the description of this specification, if the terms "one embodiment", "some embodiments", "specific embodiments" and the like appear, it means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0049] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A chemical wastewater environmental treatment device, comprising a wastewater cylinder (1), characterized in that: A support seat (2) is fixedly installed on the lower side of the waste water cylinder (1), a drain pipe (3) is fixedly arranged on the lower end of the waste water cylinder (1), a stirring assembly (4) is arranged on the inner side of the waste water cylinder (1), a filter assembly (5) is arranged on the upper side of the stirring assembly (4), a second motor (6) is arranged on the upper end of the stirring assembly (4), a stirring rod (7) is fixedly arranged on the lower end of the rotating shaft of the second motor (6), and the stirring assembly (4) and the filter assembly (5) are connected to each other. 5) are fixedly connected to a water inlet pipe (8), the stirring assembly (4) comprises an inner cylinder (41) arranged inside the waste water cylinder (1), a side ring (42) is fixedly arranged at the lower end of the inner cylinder (41), a filter hole (43) is opened on the lower side of the inner cylinder (41), a cover plate (44) is fixedly arranged on the upper end of the inner cylinder (41), a plurality of groups of openings (45) are opened on the inner side of the inner cylinder (41), and the inner sides of the plurality of groups of openings (45) are A baffle (46) is rotatably provided, and a gear (47) is fixedly provided on the upper side of the rotating shaft of a plurality of groups of the baffles (46); a fixed cover ring (48) is fixedly provided on the upper end of the waste water cylinder (1), and a snap ring (49) is fixedly provided on the lower end of the fixed cover ring (48); a gear ring (410) is movably provided between the fixed cover ring (48) and the cover plate (44), and a slide groove is provided on the upper side of the gear ring (410) at a position corresponding to the snap ring (49) (411), a guide plate (412) is fixedly provided on the inner wall of the waste water cylinder (1) at a position corresponding to the position between each two groups of baffles (46), a motor 1 (413) is fixedly provided on the upper end of the fixed cover ring (48), a transmission rod (414) is fixedly provided on the lower end of the rotating shaft of the motor 1 (413), a gear 2 (415) is fixedly provided on the upper side of the transmission rod (414), and a gear 3 (416) is fixedly provided on the lower side of the transmission rod (414).

2. The environmental protection treatment device for chemical wastewater according to claim 1 is characterized by: A sealing rotary disc (417) is rotatably arranged on the inner side of the wastewater barrel (1) in contact with the bottom of the inner barrel (41); a plurality of sewage outlets (418) are correspondingly provided on the bottom of the inner barrel (41) and the sealing rotary disc (417); a movable opening (419) is provided on one side of the sealing rotary disc (417) at a position corresponding to the gear three (416); a rack (420) is fixedly arranged on one side of the movable opening (419); two groups of conical filter plates (421) are fixedly arranged inside the lower side of the wastewater barrel (1); sewage pipes 1 (422) are fixedly arranged at the lower ends of the two groups of conical filter plates (421); and sewage pipes 2 (423) are fixedly arranged on one side of the wastewater barrel (1) near the side ring (42).

3. The environmental protection treatment device for chemical wastewater according to claim 1 is characterized by: The filter assembly (5) comprises a shaft seat (51) fixedly connected to the upper end of the cover plate (44); a shaft rod (52) is rotatably arranged on the inner side of the shaft seat (51); a bevel gear (53) is fixedly arranged on one end of the shaft rod (52) and on the outer side of the stirring rod (7); a fan (54) is fixedly arranged on the other end of the shaft rod (52); a filter housing (55) is fixedly arranged at a position close to the fan (54) on one side of the cover plate (44); and a filter housing (55) is fixedly arranged at a position corresponding to the fan (54) on one side of the filter housing (55). A circular ring (56) is provided, a collecting cylinder (57) is threadedly connected to the center of the filter shell (55), an inlet (58) is provided on the inner wall of the collecting cylinder (57) and the filter shell (55), a rotating ring (59) is rotatably provided on the lower side of the filter shell (55), a filter screen (510) is fixedly provided inside the rotating ring (59), guide cavities (511) are provided inside both sides of the filter shell (55), and a plurality of groups of fixing plates (512) are fixedly provided inside the lower side of the rotating ring (59).

4. The environmental protection treatment device for chemical wastewater according to claim 3 is characterized by: An electronic valve is fixedly mounted on the drainage pipe (3); the second motor (6) is fixedly mounted on the upper end of the cover plate (44); the stirring rod (7) passes through the cover plate (44) to the inner side of the inner cylinder (41); the two groups of water inlet pipes (8) are respectively fixedly connected to the cover plate (44) and the filter shell (55); the side ring (42), the cover plate (44) and the waste water cylinder (1) are fixedly connected; the baffle plate (46) is sealed and shielded on the inner side of the opening (45); and the rotating shaft of the baffle plate (46) passes through the inner side of the cover plate (44).

5. The environmental protection treatment device for chemical wastewater according to claim 1 is characterized by: The snap ring (49) is engaged with the inner side of the slide groove (411), the gear ring (410) is meshed with a plurality of groups of gears 1 (47), the guide plate (412) is inclined, the transmission rod (414) passes through the cover plate (44) and the inner side of the side ring (42), the gear 2 (415) is meshed with the gear ring (410), and the gear 3 (416) is meshed with the rack (420).

6. The environmental protection treatment device for chemical wastewater according to claim 2 is characterized by: The inner side of the sealing turntable (417) is conical in shape and fits the inner cylinder (41). The sewage pipe 1 (422) is connected to an external sewage pump. Electronic valves are fixedly installed on the sewage pipe 1 (422) and the sewage pipe 2 (423). The sewage pipe 2 (423) is fixedly connected to the two sets of sewage pipes 1 (422).

7. The environmental protection treatment device for chemical wastewater according to claim 3 is characterized by: The two sets of bevel gears (53) are meshed, and the fan (54) is arranged inside the ring (56), and the fan (54) corresponds to the position of the inlet (58).

8. The environmental protection treatment device for chemical wastewater according to claim 3 is characterized by: One of the two groups of guide cavities (511) corresponds to the inlet (58), and the other of the two groups of guide cavities (511) corresponds to the connected water inlet pipe (8), and the fixing plate (512) is arranged obliquely.

9. A wastewater treatment method, used for operating a chemical wastewater environmental protection treatment device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: Preliminary filtering of solid impurities in the wastewater is performed through the filter screen (510), and at the same time, the rotating fan (54) blows the impurities on the filter screen (510) toward the inlet (58) and enters the collection tube (57) for collection; S2: opening the opening (45) through the motor 1 (413), and generating a vortex through the rotation and stirring of the stirring rod (7), so that the floccules enter between the inner cylinder (41) and the waste water cylinder (1) under the centrifugal force of the vortex of the water flow, and most of the formed floccules are stored on the side ring (42) and will not directly contact the stirring rod (7) and the vortex water flow; S3: The wastewater after the reaction is controlled by motor 1 (413), the sewage outlet (418) is opened, and a small amount of flocculants inside the inner cylinder (41) are discharged downward along with the wastewater. The wastewater and flocculants are filtered in the second and third stages respectively through two sets of conical filter plates (421).

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