A diatom ooze production wastewater treatment device and a method of using the same

Abstract

The application discloses a diatom ooze production wastewater treatment equipment and a use method thereof, and relates to the technical field of diatom ooze wastewater treatment.The equipment comprises a treatment box, a connecting pipe arranged on one side of the treatment box, a homogenizing mechanism arranged on the top of the treatment box, a homogenizing cylinder arranged on the top of the treatment box, and an aeration disc arranged on the bottom of the homogenizing cylinder.The homogenizing mechanism, a coagulating mechanism, a flocculating mechanism and a dosing mechanism are arranged in cooperation, and the wastewater with high alkalinity and high negative charge colloid stability is treated step by step, that is, the wastewater is first introduced into the homogenizing cylinder, mixed with acid liquid under the shearing action of a large number of fine bubbles generated by the aeration disc and a stirring frame, and the pH value is quickly adjusted to destroy the colloid stability environment; then, the wastewater is introduced into the coagulating mechanism, polyaluminum chloride is uniformly added through an annular shunt pipe, and the mixing path is prolonged under the guidance of a spiral flow guide.

Description

Technical Field

[0001] This invention belongs to the field of diatomaceous earth wastewater treatment technology, and in particular relates to a wastewater treatment device for diatomaceous earth production and its usage method. Background Technology

[0002] Diatomaceous earth wall coverings, as an environmentally friendly functional wall material, have excellent properties such as humidity regulation, formaldehyde adsorption, and fire resistance. In recent years, they have been widely used in the field of building decoration. The production process of diatomaceous earth wall coverings mainly includes processes such as batching, mixing, molding, and drying. The cleaning process of production equipment and production sites will generate a large amount of wastewater, which needs to be treated by wastewater treatment equipment to meet the standards.

[0003] Currently, the industry generally adopts the conventional process of "filtration plus flocculation sedimentation" for the treatment of diatomaceous earth production wastewater. The wastewater is first filtered through a bar screen or sieve to recover coarse diatomaceous earth particles, and then polyacrylamide flocculant is added for flocculation sedimentation. However, in actual operation, it has been found that this treatment method has obvious technical defects. Because diatomaceous earth wastewater is alkaline, and the residual cementitious material hydration products and suspended particles have a strong negative charge on their surface, electrostatic repulsion is formed between the particles, resulting in a relatively stable colloidal dispersion state of the system. The flocculation effect is poor and the settling rate is slow, resulting in turbidity of the effluent, which affects the wastewater treatment effect and efficiency.

[0004] To address this issue, we provide a wastewater treatment device for diatomaceous earth production and its usage method. Summary of the Invention

[0005] The purpose of this invention is to provide a wastewater treatment device for diatomaceous earth production and its usage method. By coordinating a homogenization mechanism, a coagulation mechanism, a flocculation mechanism, and a dosing mechanism, the invention solves the problems of poor treatment effect and low efficiency of existing wastewater treatment devices for diatomaceous earth production.

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

[0007] This invention relates to a wastewater treatment device for diatomaceous earth production, comprising a treatment tank and a connecting pipe disposed on one side of the treatment tank. A homogenizing mechanism is disposed at the top of the treatment tank; the homogenizing mechanism includes a homogenizing cylinder disposed at the top of the treatment tank and an aeration disc installed at the bottom of the homogenizing cylinder, which adjusts the pH of the wastewater. A coagulation mechanism is disposed inside the treatment tank, comprising a fixed cylinder disposed inside the treatment tank and an annular diversion pipe installed on the surface of the fixed cylinder, which neutralizes the wastewater. A flocculation mechanism is disposed at the bottom of the treatment tank, comprising a flocculation chamber installed at the bottom of the treatment tank and a flow equalization plate installed at the top of the flocculation chamber, which causes the wastewater to form flocs. A dosing mechanism is disposed on one side of the treatment tank, comprising a chemical storage tank installed at the top of one side of the treatment tank and a pressure pump connected to the bottom of the chemical storage tank, which performs step-by-step chemical dosing for each treatment process.

[0008] The present invention is further configured such that the homogenizing mechanism includes a suction fan installed on one side of the processing box, a sleeve plate fitted on the top surface of the aeration disc, and a mixing component disposed above the sleeve plate.

[0009] The present invention is further configured such that the coagulation mechanism includes a through pipe connected to the top of the fixed cylinder, a vertical pipe connected to the bottom of the fixed cylinder, a spiral guide vane installed inside the vertical pipe, a guide pipe connected to the bottom of the vertical pipe, and a dispersion component disposed above the vertical pipe.

[0010] The present invention is further configured such that the flocculation mechanism includes a groove formed at the top of the flocculation chamber, a flow guide channel formed on one side inside the groove, a transition groove formed on one side of the flow guide channel, a bend formed on one side of the transition groove, a flow guide cover connected to the bottom of the flocculation chamber, a drain pipe connected to the bottom of the flow guide cover, and a turbulence assemblies formed above the drain pipe.

[0011] The present invention is further configured such that the dosing mechanism also includes a partition installed inside the drug storage tank and a dosing pipe connected to the bottom of the pressure pump.

[0012] The present invention is further configured such that the mixing component includes a fixed shell disposed above the sleeve plate, a bracket mounted on the top of the fixed shell, a motor mounted below the bracket, a rotating rod mounted on the output end of the motor, and a stirring rack mounted on the bottom end of the rotating rod.

[0013] The present invention is further configured such that the dispersing component is provided above the vertical tube by a first turbine, a first worm gear meshing with one side of the first turbine, a transmission rod installed behind the first worm gear, a drive rod installed below the transmission rod, a guide cylinder installed inside the fixed cylinder, a support cylinder installed inside the guide cylinder, a first bevel gear installed at the front end of the drive rod, a rotating rod rotatably connected to the bottom of the support cylinder and extending to the top of the support cylinder, a dispersing cover installed at the top of the rotating rod, and a second bevel gear installed on the surface of the rotating rod.

[0014] The present invention is further configured such that the turbulence assembly includes a first gear disposed above the guide shield, a support rod disposed on one side of the first gear, a second gear mounted on the surface of the support rod, a second turbine disposed behind the second gear, a second worm gear meshing on one side of the second turbine, a reciprocating screw mounted below the second worm gear, a ball bearing nut sleeve sleeved on the surface of the reciprocating screw, a connecting frame mounted in front of the ball bearing nut sleeve, an extrusion wheel mounted below the connecting frame, a chamfered block disposed below the extrusion wheel, a housing disposed on one side of the chamfered block, a first spring mounted on one side inside the housing, a first movable frame mounted on one side of the first spring, a movable frame disposed below the connecting frame, a through groove opened at the bottom of the movable frame, a scraper disposed inside the through groove, a second movable frame mounted on the top of the scraper, a second spring mounted on the top of the second movable frame, an extrusion ball disposed on the top of the movable frame, and a chamfered plate disposed on one side of the extrusion ball.

[0015] The present invention is further configured such that a frame is installed at the bottom of the processing box, and a sealing plate is installed on the front side of the processing box by bolts.

[0016] A method for using a wastewater treatment device for diatomaceous earth production includes the following steps:

[0017] S1: Connected to the wastewater pipe discharged from diatom mud production via a connecting pipe, the wastewater enters the homogenizing cylinder, the suction fan works, and the aeration disc sprays out a large number of fine bubbles. At this time, the pressure pump at the storage tank works, and acid is added to the homogenizing cylinder through the addition pipe, so that the wastewater and acid are mixed and the pH of the wastewater is adjusted.

[0018] S2: After completion, the wastewater enters the vertical pipe through the through pipe and the fixed cylinder. At this time, the pressure pump works and adds polyaluminum chloride to the fixed cylinder through the addition pipe and the ring diversion pipe. Under the action of the spiral guide plate, the polyaluminum chloride mixes with the wastewater and performs electrical neutralization treatment on the wastewater.

[0019] S3: The neutralized wastewater is discharged into the groove through the guide pipe. Then the pressure pump works and adds polyacrylamide through the addition pipe and the flow equalization plate. When the wastewater in the groove flows through the guide channel, it mixes with the wastewater. Then, under the guidance of the transition tank, it flows into the bend and is mixed again to promote the formation of flocs in the wastewater.

[0020] The beneficial effects of this invention are as follows: By synergistically setting up a homogenization mechanism, a coagulation mechanism, a flocculation mechanism, and a dosing mechanism, this invention achieves step-by-step precise treatment of the highly alkaline, negatively charged, and colloidally stable characteristics of diatomaceous earth production wastewater. Specifically, the wastewater first enters the homogenization cylinder, where it is thoroughly mixed with the acid solution under the shearing action of the numerous fine bubbles generated by the aeration disc and the stirring rack, rapidly adjusting the pH value and disrupting the colloidal stability environment. Subsequently, it enters the coagulation mechanism, where polyaluminum chloride is uniformly added through a ring-shaped diversion pipe, and the mixing path is extended under the guidance of spiral guide vanes. By utilizing a dispersion hood to form an annular water curtain, the contact area between the reagent and the wastewater is significantly increased, effectively neutralizing the negative charge on the particle surface and eliminating electrostatic repulsion. Finally, in the flocculation mechanism, polyacrylamide is uniformly added through a flow equalization plate, and the multiple impacts and mixing through the guide channels, transition troughs, and bends, as well as the irregular water flow impact generated by the turbulence components, promote the full growth and aggregation of flocs. The overall structure is compact, and the reagent addition is controllable in stages, significantly improving the floc formation efficiency and settling speed, improving the effluent turbidity, and effectively solving the problems of poor flocculation effect and low treatment efficiency in existing processes. Attached Figure Description

[0021] 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.

[0022] Figure 1 This is a cross-sectional view of a wastewater treatment device for diatomaceous earth production and its usage method.

[0023] Figure 2 This is a three-dimensional diagram of a wastewater treatment device for diatomaceous earth production and its usage method.

[0024] Figure 3 This is a cross-sectional view of the homogenizing cylinder in a wastewater treatment device for diatomaceous earth production and its usage method.

[0025] Figure 4 This is a cross-sectional view of the sleeve plate in a wastewater treatment device for diatomaceous earth production and its usage method.

[0026] Figure 5 This is a connection diagram of the second turbine and the second worm gear in a wastewater treatment device for diatomaceous earth production and its usage method.

[0027] Figure 6 This is a cross-sectional view of the fixed cylinder in a wastewater treatment device for diatomaceous earth production and its usage method.

[0028] Figure 7 This is a cross-sectional view of the vertical pipe in a wastewater treatment device for diatomaceous earth production and its usage method.

[0029] Figure 8This is a cross-sectional view of the support cylinder in a wastewater treatment device for diatomaceous earth production and its usage method.

[0030] Figure 9 This is a diagram showing the connection state of the second worm gear and the reciprocating screw in a wastewater treatment device for diatomaceous earth production and its usage method.

[0031] Figure 10 This is a cross-sectional view of the flocculation chamber in a wastewater treatment device for diatomaceous earth production and its usage method.

[0032] Figure 11 This is a cross-sectional view of a bend in a wastewater treatment device for diatomaceous earth production and its usage method.

[0033] Figure 12 This is a cross-sectional view of the casing in a wastewater treatment device for diatomaceous earth production and its usage method.

[0034] Figure 13 This is a cross-sectional view of the movable frame in a wastewater treatment device for diatomaceous earth production and its usage method.

[0035] Figure 14 This is a cross-sectional view of the medicine storage tank in a wastewater treatment device for diatomaceous earth production and its usage method.

[0036] Figure 15 This is a front view of the flocculation chamber in a wastewater treatment device for diatomaceous earth production and its usage method.

[0037] In the attached diagram: 1. Processing box; 2. Connecting pipe; 3. Homogenizing mechanism; 31. Homogenizing cylinder; 32. Aeration disc; 33. Fan; 34. Sleeve plate; 35. Mixing component; 351. Fixed shell; 352. Motor; 353. Rotating rod; 354. Stirring rack; 355. Support; 4. Coagulation mechanism; 41. Fixed cylinder; 42. Annular diverter pipe; 43. Through pipe; 44. Vertical pipe; 45. Spiral guide vane; 46. Guide pipe; 47. Dispersion component; 471. First turbine; 472. First worm gear; 473. Transmission rod; 474. Drive rod; 475. Guide cylinder; 476. Support cylinder; 477. First bevel gear; 478. Rotating rod; 479. Dispersion hood; 4710. Second bevel gear; 5. Flocculation mechanism; 51. Flocculation chamber; 52. Flow equalization plate; 5 3. Groove; 54. Guide channel; 55. Transition groove; 56. Bend; 57. Guide shroud; 58. Drain pipe; 59. Baffle assembly; 591. First gear; 592. Support rod; 593. Second gear; 594. Second turbine; 595. Second worm gear; 596. Reciprocating screw; 597. Ball bearing nut sleeve; 598. Connecting frame; 599. Extrusion wheel; 5910. Beveled block; 5911. Box body; 5912. First spring; 5913. First movable frame; 5914. Movable frame; 5915. Through groove; 5916. Scraper; 5917. Second movable frame; 5918. Second spring; 5919. Extrusion ball; 5920. Beveled plate; 6. Dosing mechanism; 61. Drug storage tank; 62. Pressure pump; 63. Partition; 64. Addition pipe. Detailed Implementation

[0038] The technical solutions of the present invention will be described below with reference to the accompanying drawings. The described embodiments are only some embodiments of the present invention, and not all embodiments.

[0039] Example 1

[0040] Please see Figures 1-15This invention relates to a wastewater treatment device for diatomaceous earth production, comprising a treatment tank 1, a connecting pipe 2 disposed on one side of the treatment tank 1, and a homogenizing mechanism 3 disposed at the top of the treatment tank 1. The homogenizing mechanism 3 includes a homogenizing cylinder 31 disposed at the top of the treatment tank 1 and an aeration disc 32 installed at the bottom of the homogenizing cylinder 31. The pH of the wastewater is adjusted by the homogenizing mechanism 3. A coagulation mechanism 4 is disposed inside the treatment tank 1, and the coagulation mechanism 4 includes a fixed cylinder 41 disposed inside the treatment tank 1 and an annular diversion pipe installed on the surface of the fixed cylinder 41. 42. The wastewater is neutralized by the coagulation mechanism 4; a flocculation mechanism 5 is installed at the bottom of the treatment tank 1, including a flocculation chamber 51 installed at the bottom of the treatment tank 1 and a flow equalization plate 52 installed at the top of the flocculation chamber 51, which causes the wastewater to form flocs; a dosing mechanism 6 is installed on one side of the treatment tank 1, including a chemical storage tank 61 installed at the top of one side of the treatment tank 1 and a pressure pump 62 connected to the bottom of the chemical storage tank 61, which performs step-by-step dosing of chemicals for each treatment process. 3 also includes a suction fan 33 installed on one side of the treatment box 1, a sleeve plate 34 fitted onto the top surface of the aeration disc 32, and a mixing component 35 disposed above the sleeve plate 34. The coagulation mechanism 4 also includes a through pipe 43 connected to the top of the fixed cylinder 41, a vertical pipe 44 connected to the bottom of the fixed cylinder 41, a spiral guide vane 45 installed inside the vertical pipe 44, a guide pipe 46 connected to the bottom of the vertical pipe 44, and a dispersion component 47 disposed above the vertical pipe 44. The flocculation mechanism 5 also includes a groove 53 opened at the top of the flocculation chamber 51, and a groove 53 opened at the top of the flocculation chamber 51. The flow guide channel 54 is located inside the groove 53 on one side, the transition groove 55 is located on one side of the flow guide channel 54, the bend 56 is located on one side of the transition groove 55, the flow guide hood 57 is connected to the bottom of the flocculation chamber 51, the drain pipe 58 is connected to the bottom of the flow guide hood 57, the turbulence component 59 is located above the drain pipe 58, the dosing mechanism 6 also includes a partition 63 installed inside the drug storage tank 61, an addition pipe 64 connected to the bottom of the pressure pump 62, a frame is installed at the bottom of the treatment tank 1, and a sealing plate is installed on the front side of the treatment tank 1 by bolts.

[0041] One end of the connecting pipe 2 extends into the treatment box 1 and communicates with the homogenizing cylinder 31. The connecting pipe 2 is fixedly connected to the treatment box 1. The homogenizing cylinder 31 is fixedly connected to the top of the treatment box 1. The bottom end of the aeration disc 32 extends to the outside of the treatment box 1 and communicates with the suction fan 33. A dustproof net is installed at the air inlet end of the suction fan 33. A mounting base is installed at the bottom of the suction fan 33. The mounting base is fixedly connected to the treatment box 1. The top of the sleeve plate 34 is flush with the aeration disc 32. The fixed cylinder 41 is located in the homogenizing cylinder. Below the homogenizing cylinder 31, the liquid outlet of the annular diverter 42 is connected to the guide cylinder 475, and the end of the through pipe 43 away from the fixed cylinder 41 is connected to the homogenizing cylinder 31. The liquid outlet of the guide pipe 46 is located directly above the groove 53. The groove 53 and the transition groove 55 are connected by the guide channel 54. The liquid outlet of the flow equalization plate 52 extends into the guide channel 54. The groove 53, the guide channel 54, the transition groove 55 and the bend 56 are all designed with inclination. Flanges are installed on the surfaces of the connecting pipe 2 and the drain pipe 58.

[0042] The storage tank 61 has two internal partitions 63, dividing its internal space into three parts to store acid, polyaluminum chloride, and polyacrylamide, respectively. There are three pressure pumps 62 and three addition pipes 64 connected to each of these. The three addition pipes 64 are connected to the homogenizing cylinder 31, the annular diverter pipe 42, and the flow equalization plate 52, respectively. Flow valves are fitted onto the surface of each addition pipe 64. A support plate is installed on the side of the pressure pump 62 closest to the treatment tank 1, and the top of the support plate is fixedly connected to the storage tank 61. An observation window is installed on the side of the storage tank 61 furthest from the treatment tank 1. A dosing pipe is connected to the top of the storage tank 61, and a pipe cap is threaded onto its surface. One-way valves are fitted onto the surfaces of the aeration disc 32 and the through pipe 43. An exhaust pipe is connected to the top of the homogenizing cylinder 31, extending to the top of the treatment tank 1. A pH sensor is installed on the homogenizing cylinder 31 to detect the pH inside. Since the pH sensor is a mature existing technology, it is not shown in the figure.

[0043] The homogenizing cylinder 31 provides space for mixing wastewater and acid, carrying out the preliminary treatment process. The aeration disc 32 sprays out fine bubbles, increasing the contact area between wastewater and acid and promoting mixing. The suction fan 33 provides an air source for the aeration disc 32, ensuring the continuity of bubble generation. The fixed cylinder 41 serves as the main container for the coagulation reaction, carrying the mixing of wastewater and polyaluminum chloride. The annular diversion pipe 42 evenly distributes polyaluminum chloride, ensuring sufficient contact between the reagent and the wastewater. The spiral guide vane 45 guides the wastewater and reagent to flow along the spiral path, extending the mixing time and improving the reaction efficiency. The flocculation chamber 51 provides space for the flocculation reaction, carrying the mixing of polyacrylamide and wastewater. The flow equalization plate 52 evenly distributes flocculant, ensuring sufficient contact between the reagent and the wastewater. The guide channel 54, transition trough 55, and bend 56 guide the flow path of the wastewater, increasing the number of impacts and mixing, and promoting floc formation.

[0044] During operation, the connecting pipe 2 is connected to the wastewater pipe. After the wastewater is filtered by the existing mature filtration equipment, it enters the homogenizing cylinder 31. The suction fan 33 is working, and the aeration disc 32 sprays out a large number of fine bubbles. At this time, the pressure pump 62 at the storage tank 61 is working, and acid solution is added to the homogenizing cylinder 31 through the addition pipe 64 to mix the wastewater with the acid solution and adjust the pH of the wastewater.

[0045] After completion, the wastewater enters the vertical pipe 44 through the through pipe 43 and the fixed cylinder 41. At this time, the pressure pump 62 works and adds polyaluminum chloride to the fixed cylinder 41 through the addition pipe 64 and the annular diversion pipe 42. Under the action of the spiral guide plate 45, the polyaluminum chloride mixes with the wastewater and performs electrical neutralization treatment on the wastewater.

[0046] After being neutralized, the wastewater is discharged into the groove 53 through the guide pipe 46. Then, the pressure pump 62 operates and adds polyacrylamide through the addition pipe 64 and the flow equalization plate 52. When the wastewater in the groove 53 flows through the guide channel 54, it mixes with the wastewater. Then, under the guidance of the transition tank 55, it flows into the bend 56 and is mixed again to promote the formation of flocs in the wastewater. Finally, it is introduced into the sedimentation tank for sedimentation through the guide hood 57 and the drain pipe 58.

[0047] Example 2

[0048] Please see Figure 3 and Figure 4 Based on Embodiment 1, the mixing component 35 includes a fixed shell 351 disposed above the sleeve plate 34, a bracket 355 mounted on the top of the fixed shell 351, a motor 352 mounted below the bracket 355, a rotating rod 353 mounted on the output end of the motor 352, and a stirring rack 354 mounted on the bottom end of the rotating rod 353.

[0049] The fixed shell 351 is installed on the top of the processing box 1, and the bottom end of the rotating rod 353 extends into the homogenizing cylinder 31 and is connected to the stirring rack 354. The fixed shell 351, the processing box 1 and the homogenizing cylinder 31 are all rotatably connected to the rotating rod 353 through bearings.

[0050] During the homogenization treatment of wastewater, the motor 352 drives the rotating rod 353 and the stirring frame 354 to rotate, generating horizontal shearing force. Combined with the upward air bubbles, this ensures that the wastewater and acid solution are fully and evenly mixed, guaranteeing the balance of water quality treatment.

[0051] Example 3

[0052] Please see Figures 3-8Based on Embodiments 1 and 2, the dispersion component 47 is provided with a first turbine 471 above the vertical pipe 44, a first worm gear 472 meshing with one side of the first turbine 471, a transmission rod 473 installed behind the first worm gear 472, a drive rod 474 located below the transmission rod 473, a guide cylinder 475 installed inside the fixed cylinder 41, a support cylinder 476 installed inside the guide cylinder 475, a first bevel gear 477 installed at the front end of the drive rod 474, a rotating rod 478 rotatably connected to the bottom of the support cylinder 476 and extending to the top of the support cylinder 476, a dispersion cover 479 installed at the top of the rotating rod 478, and a second bevel gear 4710 installed on the surface of the rotating rod 478.

[0053] The first turbine 471 and the first worm gear 472 are both located inside the fixed housing 351. The first turbine 471 is mounted on the surface of the rotating rod 353. The rear end of the transmission rod 473 extends to the rear of the fixed housing 351. The transmission rod 473 and the first worm gear 472 are rotatably connected to the fixed housing 351 through bearings. The front end of the drive rod 474 extends into the support cylinder 476 and is connected to the first bevel gear 477. The processing box 1, the fixed cylinder 41, the guide cylinder 475 and the support cylinder 476 are all rotatably connected to the drive rod 474 through bearings. The guide cylinder 475 has a horn-shaped design with the horn opening facing upwards.

[0054] The bottom and top extension of the rotating rod 478 are rotatably connected to the support cylinder 476 via bearings. The first bevel gear 477 and the second bevel gear 4710 mesh with each other. Synchronous pulleys are mounted on the surfaces of the transmission rod 473 and the drive rod 474. The two synchronous pulleys are connected by a synchronous belt. The synchronous pulleys drive the synchronous belt through tooth meshing. The synchronous pulleys, the synchronous belt, and the meshing drive method between them are all existing mature technologies and will not be described in detail here.

[0055] During operation, the rotating rod 353 drives the first turbine 471 to rotate, which in turn drives the drive rod 474 to rotate via the first worm gear 472 and the transmission rod 473. The first bevel gear 477 and the second bevel gear 4710 drive the rotating rod 478 and the dispersion shroud 479 to rotate as a whole. When wastewater flows through the through pipe 43, it impacts the dispersion shroud 479. Under the centrifugal force of the rotating dispersion shroud 479, the wastewater splashes onto the inner wall of the fixed cylinder 41. Under the guidance of gravity and the flow guide cylinder 475, an annular water curtain is formed, thereby increasing the contact area and uniformity between the wastewater and polyaluminum chloride. This ensures that when the wastewater flows through the spiral guide plate 45 for mixing, the mixture is more uniform and the charge can be fully neutralized.

[0056] Example 4

[0057] Please see Figures 9-15Based on Embodiments 1 to 3, the turbulence assembly 59 includes a first gear 591 disposed above the shroud 57, a support rod 592 disposed on one side of the first gear 591, a second gear 593 mounted on the surface of the support rod 592, a second turbine 594 disposed behind the second gear 593, a second worm gear 595 meshing on one side of the second turbine 594, a reciprocating screw 596 mounted below the second worm gear 595, a ball bearing nut sleeve 597 sleeved on the surface of the reciprocating screw 596, a connecting frame 598 mounted in front of the ball bearing nut sleeve 597, a compression wheel 599 mounted below the connecting frame 598, and an inclined plane disposed below the compression wheel 599. The components include: a cutter 5910; a housing 5911 located on one side of the cutter 5910; a first spring 5912 installed inside the housing 5911 on one side; a first movable frame 5913 installed on one side of the first spring 5912; a movable frame 5914 located below the connecting frame 598; a through groove 5915 opened at the bottom of the movable frame 5914; a scraper 5916 located inside the through groove 5915; a second movable frame 5917 installed on the top of the scraper 5916; a second spring 5918 installed on the top of the second movable frame 5917; an extrusion ball 5919 located on the top of the movable frame 5914; and a cutter 5920 located on one side of the extrusion ball 5919.

[0058] The first gear 591 is mounted on the surface of the drive rod 474. The support rod 592 is rotatably connected to the processing box 1 via a bearing. The first gear 591 and the second gear 593 mesh with each other. The second worm 594 is mounted on the surface of the support rod 592. The top surface of the second worm gear 595 is movably connected to a connecting plate via a bearing. The connecting plate is fixedly connected to the processing box 1. The top of the oblique cutting block 5910 is in close contact with the extrusion wheel 599. The first movable frame 5913 extends from the side away from the first spring 5912 to the side of the box 5911 near the oblique cutting block 5910 and is fixedly connected to the oblique cutting block 5910. The top of the scraper 5916 is in close contact with the movable frame 5914. The top of the second movable frame 5917 extends into the interior of the movable frame 5914 and is connected to the second spring 5918. The second spring 5918 is fixedly connected to the top of the interior of the movable frame 5914.

[0059] The bottom of the extrusion ball 5919 extends into the interior of the movable frame 5914 and is fixedly connected to the second movable frame 5917. The bottom of the oblique cut plate 5920 is fixedly connected to the flocculation chamber 51. The oblique cut plate 5920 has an oblique cut design at one end near the extrusion ball 5919. Slider blocks are installed at the front and rear of the first movable frame 5913 and the second movable frame 5917, as well as at the rear of the ball nut sleeve 597. Slide grooves adapted to the sliders are opened at the front and rear of the box body 5911, the front and rear of the movable frame 5914, and the rear of the processing box 1.

[0060] During operation, the drive rod 474 rotates, which drives the second turbine 594 to rotate via the first gear 591 and the second gear 593. The second worm gear 595 drives the reciprocating screw 596 to rotate, and the ball nut sleeve 597 and the connecting frame 598 drive the extrusion wheel 599 to move downward, extruding the oblique cut block 5910. The oblique cut block 5910 is extruded, which drives the movable frame 5914 to move. Under the limit of the oblique cut plate 5920, the extrusion ball 5919 drives the second movable frame 5917 and the scraper 5916 to move downward until the scraper 5916 contacts the flocculation chamber 51, forming a flow obstruction to the wastewater inside the flocculation chamber 51. When moving, it will impact the water flow, generating irregular water flow impact, causing it to flow in reverse and mix again, ensuring that the floc formation is more complete.

[0061] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A wastewater treatment device for diatomaceous earth production, comprising a treatment tank (1) and a connecting pipe (2) disposed on one side of the treatment tank (1), characterized in that: A homogenizing mechanism (3) is provided at the top of the processing box (1); The homogenizing mechanism (3) includes a homogenizing cylinder (31) located at the top of the treatment tank (1) and an aeration disc (32) installed at the bottom of the homogenizing cylinder (31). The pH of the wastewater is adjusted by the homogenizing mechanism (3). The treatment tank (1) is equipped with a coagulation mechanism (4), which includes a fixed cylinder (41) installed inside the treatment tank (1) and an annular diversion pipe (42) installed on the surface of the fixed cylinder (41). The coagulation mechanism (4) neutralizes the wastewater. The bottom of the treatment tank (1) is provided with a flocculation mechanism (5). The flocculation mechanism (5) includes a flocculation chamber (51) installed at the bottom of the treatment tank (1) and a flow equalization plate (52) installed at the top of the flocculation chamber (51). The wastewater is formed into flocs through the flocculation mechanism (5). A dosing mechanism (6) is provided on one side of the treatment box (1). The dosing mechanism (6) includes a drug storage tank (61) installed on the top of one side of the treatment box (1) and a pressure pump (62) connected to the bottom of the drug storage tank (61). The dosing mechanism (6) performs step-by-step dosing for each treatment process.

2. The wastewater treatment equipment for diatomaceous earth production according to claim 1, characterized in that: The homogenizing mechanism (3) also includes a blower (33) installed on one side of the processing box (1), a sleeve plate (34) sleeved on the top surface of the aeration disc (32), and a mixing component (35) set above the sleeve plate (34).

3. The wastewater treatment equipment for diatomaceous earth production according to claim 1, characterized in that: The coagulation mechanism (4) also includes a through pipe (43) connected to the top of the fixed cylinder (41), a vertical pipe (44) connected to the bottom of the fixed cylinder (41), a spiral guide plate (45) installed inside the vertical pipe (44), a guide pipe (46) connected to the bottom of the vertical pipe (44), and a dispersion component (47) disposed above the vertical pipe (44).

4. The wastewater treatment equipment for diatomaceous earth production according to claim 1, characterized in that: The flocculation mechanism (5) further includes a groove (53) opened on the top of the flocculation chamber (51), a flow guide channel (54) opened on one side inside the groove (53), a transition groove (55) set on one side of the flow guide channel (54), a bend (56) opened on one side of the transition groove (55), a flow guide cover (57) connected to the bottom of the flocculation chamber (51), a drain pipe (58) connected to the bottom of the flow guide cover (57), and a turbulence component (59) set above the drain pipe (58).

5. The wastewater treatment equipment for diatomaceous earth production according to claim 1, characterized in that: The dosing mechanism (6) also includes a partition (63) installed inside the drug storage tank (61) and an addition pipe (64) connected to the bottom of the pressure pump (62).

6. The wastewater treatment equipment for diatomaceous earth production according to claim 2, characterized in that: The mixing component (35) includes a fixed shell (351) disposed above the sleeve plate (34), a bracket (355) mounted on the top of the fixed shell (351), a motor (352) mounted below the bracket (355), a rotating rod (353) mounted on the output end of the motor (352), and a stirring rack (354) mounted on the bottom end of the rotating rod (353).

7. The wastewater treatment equipment for diatomaceous earth production according to claim 3, characterized in that: The dispersion assembly (47) is provided above the vertical tube (44) with a first turbine (471), a first worm (472) meshing with one side of the first turbine (471), a transmission rod (473) installed behind the first worm (472), a drive rod (474) provided below the transmission rod (473), a guide tube (475) installed inside the fixed tube (41), a support tube (476) installed inside the guide tube (475), a first bevel gear (477) installed at the front end of the drive rod (474), a rotating rod (478) rotatably connected to the bottom of the support tube (476) and extending to the top of the support tube (476), a dispersion cover (479) installed at the top of the rotating rod (478), and a second bevel gear (4710) installed on the surface of the rotating rod (478).

8. The wastewater treatment equipment for diatomaceous earth production according to claim 4, characterized in that: The turbulence assembly (59) includes a first gear (591) disposed above the shroud (57), a support rod (592) disposed on one side of the first gear (591), a second gear (593) mounted on the surface of the support rod (592), a second turbine (594) disposed behind the second gear (593), a second worm gear (595) meshing with one side of the second turbine gear (594), a reciprocating screw (596) mounted below the second worm gear (595), a ball bearing nut sleeve (597) sleeved on the surface of the reciprocating screw (596), a connecting frame (598) mounted in front of the ball bearing nut sleeve (597), an extrusion wheel (599) mounted below the connecting frame (598), and a chamfered block (5910) disposed below the extrusion wheel (599). A box (5911) is set on one side of the oblique block (5910), a first spring (5912) is installed on one side inside the box (5911), a first movable frame (5913) is installed on one side of the first spring (5912), a movable frame (5914) is set below the connecting frame (598), a through groove (5915) is opened at the bottom of the movable frame (5914), a scraper (5916) is set inside the through groove (5915), a second movable frame (5917) is installed on the top of the scraper (5916), a second spring (5918) is installed on the top of the second movable frame (5917), an extrusion ball (5919) is set on the top of the movable frame (5914), and an oblique plate (5920) is set on one side of the extrusion ball (5919).

9. The wastewater treatment equipment for diatomaceous earth production according to claim 1, characterized in that: The bottom of the processing box (1) is equipped with a frame, and a sealing plate is installed on the front side of the processing box (1) by bolts.

10. A method of using a wastewater treatment device for diatomaceous earth production, based on the wastewater treatment device for diatomaceous earth production as described in any one of claims 1-9, characterized in that, Includes the following steps: S1: The wastewater is connected to the wastewater pipe discharged from the diatom mud production through the connecting pipe (2). The wastewater enters the homogenizing cylinder (31), the suction fan (33) works, and the aeration disc (32) sprays out a large number of fine bubbles. At this time, the pressure pump (62) at the storage tank (61) works and adds acid solution to the homogenizing cylinder (31) through the addition pipe (64) to mix the wastewater with the acid solution and adjust the pH of the wastewater. S2: After completion, the wastewater enters the vertical pipe (44) through the through pipe (43) and the fixed cylinder (41). At this time, the pressure pump (62) works and adds polyaluminum chloride to the fixed cylinder (41) through the addition pipe (64) and the annular diversion pipe (42). Under the action of the spiral guide plate (45), the polyaluminum chloride mixes with the wastewater and performs electrical neutralization treatment on the wastewater. S3: The neutralized wastewater is discharged into the groove (53) through the guide pipe (46). Then the pressure pump (62) works and adds polyacrylamide through the addition pipe (64) and the flow equalization plate (52). When the wastewater in the groove (53) flows through the guide channel (54), it mixes with the wastewater. Then, under the guidance of the transition tank (55), it flows into the bend (56) and mixes again to promote the formation of flocs in the wastewater.

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