A cyclonic flocculation clarification device and method

Abstract

The present invention discloses a cyclone flocculation clarification device and method, including a clarification system, a reaction system and a sedimentation collection system; the clarification system is used for clarifying liquids, the clarification system includes a clarification tank, an inclined tube filler, a water outlet weir plate and a water outlet pipe, the reaction system is used for flocculation reaction of liquids, the reaction system includes a baffled outer cylinder and a cylindrical flow guider, the sedimentation collection system is used for collecting and discharging silt, and the sedimentation collection system includes a cyclone sand settling cylinder, a water inlet pipe and a mixer. The device of the present invention is cylindrical as a whole, welded in multiple sections, occupies a small area, simplifies the water purification process, integrates reagent addition and mixing, cyclone sand settling, inclined tube sedimentation and clarification, clarifies water through the suspended layer generated by flocculation, and can control the flocculation reaction through the cooperation of three sampling tubes, adjust the water output, ensure the clarification effect of the suspended mud layer, and thus ensure that the entire cyclone flocculation clarification device completes water treatment more efficiently.

Description

Technical Field

[0001] The invention relates to the field of environmentally friendly sewage treatment, and in particular to a cyclone type flocculation clarification device and method. Background Art

[0002] In the process of surface water purification, building water reuse, restaurant biogas clarification and fecal sewage treatment, the suspended solids contained in the water need to be removed, thereby reducing the burden of subsequent treatment processes.

[0003] The removal of suspended solids in conventional water treatment generally adopts the steps of sand removal in the front stage, dosing in the back stage, mixing, reaction, precipitation and clarification. The process is complex and has many process stages. This process is suitable for large water treatment plants. However, there are many problems with conventional water treatment processes. For example, the process line is long, the management is complex, the failure occurs frequently, the operation continuity is poor, the scale is small, the facility equipment selection is difficult, the unit investment is large, and the operating cost is high.

[0004] Especially for small water purification or medium-sized sewage treatment plants, the treatment site is small and a slightly higher sewage treatment volume cannot be effectively treated. Therefore, there is an urgent need for a device that simplifies multi-stage complex treatment and completes effluent sand removal and water clarification. Summary of the invention

[0005] The purpose of the present invention is to provide a cyclone flocculation clarification device and method, which integrates reagent addition and mixing, cyclone sand settling, inclined tube sedimentation and clarification to solve the problems existing in the above-mentioned prior art, so as to simplify the treatment equipment of small and medium-sized water treatment and achieve sand removal and water clarification at the same time.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] The present invention provides a cyclonic flocculation clarification device, comprising a clarification system, a reaction system and a precipitation collection system;

[0008] A clarification system, used for clarifying liquid, comprising a clarification tank, an inclined tube filler, a water outlet weir plate and a water outlet pipe, wherein the water outlet weir plate is arranged on the top of the clarification tank, the inclined tube filler is arranged in an annular manner on the inner side of the clarification tank, and the water outlet pipe is arranged on one side of the water outlet weir plate;

[0009] A reaction system for flocculation reaction of liquid, the reaction system is arranged in the clarification system, the reaction system comprises a baffle outer cylinder and a cylindrical flow guider, the baffle outer cylinder is arranged in the inclined tube packing, and the cylindrical flow guider is concentrically arranged in the baffle outer cylinder;

[0010] A sedimentation collection system is used for collecting and discharging silt. The sedimentation collection system is arranged at the bottom of the clarification tank. The sedimentation collection system includes a cyclone sand settling cylinder, a water inlet pipe and a mixer. The water inlet pipe is arranged at the upper part of the cyclone sand settling cylinder and extends tangentially into the cyclone sand settling cylinder. A mixer is arranged on the external water inlet pipe, and the mixer is used for adding medicine and mixing.

[0011] Preferably, the clarification tank is a cylindrical clarification tank, the inclined tube filler is arranged in the middle of the clarification tank, and the inclined tube of the inclined tube filler is arranged at 60°-70°;

[0012] Preferably, the clarification tank is further provided with a first sampling tube, a second sampling tube and a third sampling tube;

[0013] The water inlet of the first sampling tube is arranged at the upper part of the inclined tube filler and is used for sampling the clarified water;

[0014] The water inlet of the second sampling tube is arranged at the lower part of the inclined tube filler, and is used for sampling the water quality of the suspended layer;

[0015] The third sampling tube is arranged at the bottom of the clarification tank and is used for sampling water quality of coagulation reaction;

[0016] Preferably, the baffle outer cylinder is sleeved in the inclined tube filler, the top of the baffle outer cylinder is higher than the outlet weir plate, and a mixer is coaxially arranged in the baffle outer cylinder, and the mixer is not higher than the bottom of the outlet weir plate;

[0017] Preferably, the inner diameter of the cylindrical flow guider is not greater than the inner diameter of the baffle outer cylinder, the top of the cylindrical flow guider is lower than the mixer, and the bottom of the cylindrical flow guider protrudes from the baffle outer cylinder and extends into the cyclone sand settling cylinder;

[0018] Preferably, it also includes a guide plate, which is arranged on the outer cylinder wall of the cylindrical guider extending into the cyclone sand settling cylinder, and the guide plate is a circular inclined guide plate, and the outer diameter of the guide plate is larger than the outer diameter of the baffle outer cylinder;

[0019] Preferably, the cyclone dust and sand cylinder comprises a cyclone cylinder and an inverted cone cyclone groove, the inner diameter of the cyclone cylinder is smaller than the inner diameter of the clarification tank, the upper part of the cyclone cylinder is connected to the bottom of the clarification tank through a cone cylinder, and the lower part of the cyclone cylinder is connected to the inverted cone cyclone groove;

[0020] Preferably, the water outlet end of the water inlet pipe is a reduced diameter pipe, the reduced diameter pipe is arranged in the tangential direction of the cyclone cylinder and inclined downward by 3-5 degrees, and the reduced diameter pipe is arranged at the lower part of the guide plate;

[0021] Preferably, bottom brackets are provided on both sides of the inverted cone cyclone trough, the lower part of the inverted cone cyclone trough is a mud and sand storage chamber, and a bottom flow port is provided at the bottom of the inverted cone cyclone trough;

[0022] The present invention also provides a cyclone flocculation clarification method, comprising the cyclone flocculation clarification device, and further comprising the following steps:

[0023] S1: Open the water inlet pipe and add medicine into the mixer at the same time. The medicine and the stock solution are evenly mixed to form a mixed liquid which is pumped into the cyclone sand settling cylinder. The flow rate of the pipeline is 1~1.5m / s;

[0024] S2: The mixed liquid flows into the reduced diameter pipe through the mixer, and the jet mixed liquid is introduced into the cyclone sand settling cylinder along the tangential direction. The flow rate of the mixed liquid in the reduced diameter pipe is 6~10m / s;

[0025] S3: After the mixed liquid enters the cyclone sedimentation cylinder tangentially, a cyclone field is formed in the cyclone cylinder. Under the action of the cyclone field, the components with high density in the mixed liquid move axially downward and radially outward, adhere to the wall of the inverted cone cyclone groove, rotate downward and sink into the mud and sand storage chamber and are discharged from the bottom flow outlet;

[0026] The components with low density in the mixed liquid move toward the central axis, and swirl upward in the center of the axis into the cylindrical guide tube, and overflow to the coagulation reaction zone outside the baffle outer tube under the guidance of the cylindrical guide tube;

[0027] S4: The components with low density in the mixed liquid overflow to the upper part of the baffle outer cylinder and are fully mixed and flocculated under the action of the agitator. The fine flocculent particles contact and collide to form large floccules. The large floccules flow downward along the outer wall of the cylindrical guide and enter the sedimentation and clarification area between the baffle outer cylinder and the clarification tank under the action of uniform water distribution by the guide plate.

[0028] S5: In the sedimentation zone at the bottom of the sedimentation and clarification zone, the negatively charged colloid particles or particles in the water collide and contact with the positively charged groups in the liquid medicine, which reduces the potential of the colloid particles and destabilizes them. The mixed liquid after charge neutralization and destabilization is evenly distributed along the guide plate and enters the clarification zone at the top of the sedimentation and clarification zone;

[0029] S6: The floccules that are destabilized and agglomerated in the clarification zone become denser during the upflow process and swirl down into the swirl sedimentation tube; the floccules that do not sink in the mixed liquid form a uniformly distributed mud suspension layer in the clarification zone. When the mixed liquid passes through the mud suspension layer, the suspended matter in the water is retained, and clarified water is obtained;

[0030] S7: After the effluent from the sludge suspension layer passes through the inclined tube filler, the clarified water overflows from the outlet weir plate set in the clarification tank and is discharged through the outlet pipe;

[0031] S8: During the stock solution treatment process, the equipment is adjusted by using the water samples obtained from the first sampling tube, the second sampling tube, and the third sampling tube; specifically:

[0032] The first sampling tube is used to monitor the effect of clarified water and adjust the water inlet;

[0033] The second sampling tube is used to monitor the clarification effect of the suspended mud layer and adjust the frequency of mud discharge;

[0034] The third sampling tube is used to monitor the coagulation reaction effect of the stock solution and the reagent, and to adjust the dosage of the reagent and the speed of the mixer.

[0035] Compared with the prior art, the present invention has achieved the following technical effects:

[0036] 1. The cyclone flocculation clarification device of the present invention is vertically arranged, and is cylindrical in shape as a whole. It is welded in multiple sections, occupies a small area, simplifies the water purification process, integrates reagent addition and mixing, cyclone sand settling, inclined tube sedimentation and clarification, and is suitable for small and medium-sized integrated water treatment equipment.

[0037] 2. In the cyclone flocculation and clarification device of the present invention, the colloidal particles in the original liquid after being mixed with the coagulant during the treatment process have their potential reduced or eliminated, which destroys the stable state of the particles and causes destabilization. The destabilized particles aggregate into larger particles, and compressed double electrical layers, adsorption electrical neutralization, adsorption bridging, and sediment network spreading are generated between the particles, thereby forming larger vanadium flowers, which not only play a flocculation role, but more importantly, produce a suspended layer, which can achieve a filtering effect.

[0038] 3. In order to ensure the stability of the suspended layer and play a filtering role in the water treatment process, the cyclone flocculation clarification device of the present invention is equipped with three sampling tubes in the clarification tank. The three sampling tubes are arranged at different positions and play different adjustment purposes. Through the cooperation of the three sampling tubes, the flocculation reaction can be controlled, the water output can be adjusted, and the clarification effect of the suspended sludge layer can be ensured, thereby ensuring that the entire cyclone flocculation clarification device completes the water treatment more efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0040] Figure 1 It is a structural schematic diagram of the cyclone flocculation clarification device of the present invention;

[0041] Figure 2 It is a process principle diagram of the cyclone flocculation clarification device of the present invention;

[0042] Figure 3 It is a schematic diagram of the structure of the cyclone sand settling drum of the cyclone flocculation clarification device of the present invention;

[0043] Figure 4 It is a schematic diagram of the structure of the water inlet pipe of the cyclone flocculation clarification device of the present invention;

[0044] Among them, 1-clarification tank, 2-cyclone sand settling cylinder, 21-cyclone cylinder, 22-inverted cone cyclone tank, 3-cylinder guide, 4-baffle outer cylinder, 5-water outlet weir plate, 6-water inlet pipe, 61-reducing pipe, 7-mixer, 8-water outlet pipe, 9-first sampling tube, 10-second sampling tube, 11-third sampling tube, 12-mixer, 13-inclined tube filler, 14-guide plate, 15-bottom bracket, 16-bottom flow outlet. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] The purpose of the present invention is to provide a cyclone flocculation clarification device and method, which integrates reagent addition and mixing, cyclone sand settling, inclined tube sedimentation and clarification to solve the problems existing in the above-mentioned prior art, so as to simplify the treatment equipment of small and medium-sized water treatment and achieve sand removal and water clarification at the same time.

[0047] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. Example

[0048] like Figure 1 - As shown in Figure 4, this embodiment provides a cyclone flocculation clarification device, including a clarification system, a reaction system and a sedimentation collection system, which simplifies the multi-stage equipment for turbid water sand removal and coagulation clarification, and combines them into a containerized integrated equipment, which is particularly suitable for treatment plants with small and medium-sized sewage treatment volumes, and for water sand removal and sedimentation clarification treatment with a suspended solids content of less than 5000 mg / L.

[0049] The clarification system of this embodiment is used for clarifying liquids. Specifically, the clarification system includes a clarification tank 1, an inclined tube filler 13, an outlet weir plate 5 and an outlet pipe 8. The clarification tank 1 is a cylindrical clarification tank for clarifying water. A reaction system is sleeved in the middle of the clarification tank 1. An inclined tube filler 13 is arranged in an annular manner between the reaction system and the clarification tank 1 to enhance the sedimentation of suspended layer sludge. The inclined tube filler 13 is a hexagonal honeycomb inclined tube filler assembly, which is sealed against the inner wall of the clarification tank 1. The outlet weir plate 5 is arranged at the top of the clarification tank 1, and the outlet pipe 8 is arranged on one side of the outlet weir plate 5.

[0050] The reaction system of this embodiment is used for the flocculation reaction of liquid. The reaction system is arranged in the annular inclined tube filler 13 of the clarification system. The reaction system includes a baffle outer cylinder 4 and a cylindrical flow guider 3. The baffle outer cylinder 4 is arranged on the inner side of the inclined tube filler 13. The outer wall of the baffle outer cylinder 4 is sealed against the inclined tube filler 13. The cylindrical flow guider 3 is concentrically arranged in the baffle outer cylinder 4. The baffle outer cylinder 4 and the cylindrical flow guider 3 are both concentrically arranged with the clarification tank 1.

[0051] like Figure 3 As shown, the sedimentation collection system of this embodiment is used for collecting and discharging sediment. The sedimentation collection system is arranged at the bottom of the clarification tank 1. The sedimentation collection system includes a cyclone sand settling cylinder 2, a water inlet pipe 6 and a mixer 7, wherein the cyclone dust and sand cylinder of the main body includes a cyclone cylinder 21 and an inverted cone cyclone groove 22. The inner diameter of the cyclone cylinder 21 is smaller than the inner diameter of the clarification tank 1. The upper part of the cyclone cylinder 21 is connected to the bottom of the clarification tank 1 through a conical cylinder. The lower part of the cyclone cylinder 21 is connected to the inverted cone cyclone groove 22. Bottom brackets 15 are arranged on both sides of the inverted cone cyclone groove 22. The lower part of the inverted cone cyclone groove 22 is a sediment storage chamber. The bottom of the inverted cone cyclone groove 22 is provided with a bottom flow port 16. The bottom flow port 16 is used to regularly discharge the sediment from the sediment storage chamber.

[0052] The water inlet pipe 6 is arranged at the upper part of the cyclone sedimentation cylinder 2 and extends tangentially into the cyclone cylinder. A mixer 7 is arranged on the external water inlet pipe 6. The mixer 7 is used for adding medicine and mixing. The water inlet pipe 6 is used for conveying the raw liquid to be clarified.

[0053] The top of the baffle outer cylinder 4 of the reaction system of this embodiment is higher than the outlet weir plate 5. A stirrer 12 is coaxially arranged inside the baffle outer cylinder 4. The stirrer 12 is not higher than the bottom of the outlet weir plate 5. Since the stirrer 12 accelerates the flocculation reaction of the mixed liquid, the mixed liquid cannot overflow to the outlet weir plate 5 through the top of the baffle outer cylinder 4. The inner diameter of the baffle outer cylinder 4 is one-third of the inner diameter of the clarification tank 1, and the inner diameter of the cylindrical flow guider 3 is not larger than the inner diameter of the baffle outer cylinder 4. Specifically, the inner diameter of the cylindrical flow guider 3 is half of the inner diameter of the baffle outer cylinder 4, which facilitates the uniform flow of the mixed liquid. Since the stirrer 12 is arranged in the accelerated reaction zone of the baffle outer cylinder 4, the top of the cylindrical flow guider 3 is lower than the stirrer 12.

[0054] In this embodiment, the baffle outer cylinder 4 needs to flow into the clarification tank 1 after the mixed liquid reacts through the cylindrical flow guider 3, so the bottom of the baffle outer cylinder 4 does not protrude from the bottom of the clarification tank 1, and the bottom of the cylindrical flow guider 3 protrudes from the baffle outer cylinder 4 and extends into the cyclone cylinder 21 of the cyclone sand settling cylinder 2, so that the water inlet pipe 6 is also arranged in the cyclone cylinder 21, in order to facilitate the cyclone stock liquid in the water inlet pipe 6 to be lifted into the cylindrical flow guider 3, as shown in FIG. Figure 4 As shown, the outlet end of the water inlet pipe 6 is a reduced diameter pipe 61, which is arranged in the tangential direction of the cyclone cylinder 21 and inclined downward by 3-5 degrees. The cylindrical guide device 3 is arranged on a part of the cylinder wall inside the cyclone cylinder 21 and is covered with a guide plate 14. The reduced diameter pipe 61 is arranged at the lower part of the guide plate 14, so that the incoming raw liquid can better form a cyclone at the lower part of the guide plate 14.

[0055] Specifically, the guide plate 14 of this embodiment is a circular inclined guide plate 14, and the outer diameter of the guide plate 14 is much larger than the outer diameter of the deflection outer cylinder 4, but the outer diameter of the guide plate 14 is smaller than the inner diameter of the cyclone cylinder 21. This arrangement is to facilitate the sediment in the clarification tank 1 to be discharged into the inverted cone cyclone tank 22 through the gap between the guide plate 14 and the cyclone cylinder 21.

[0056] The cyclone flocculation clarification device of this embodiment is vertically arranged, and is cylindrical in shape as a whole. It is welded from multiple sections, occupies a small area, simplifies the water purification process, integrates reagent addition and mixing, cyclone sand settling, inclined tube sedimentation and clarification, and is suitable for small and medium-sized integrated water treatment equipment.

[0057] like Figure 2 As shown, this embodiment also provides a cyclone flocculation clarification method, using the above-mentioned cyclone flocculation clarification device, and further comprising the following steps:

[0058] Step 1: Open the water inlet pipe 6 and add medicine into the mixer 7 at the same time. The medicine and the stock solution are evenly mixed to form a mixed solution which is pumped into the cyclone sand settling cylinder 2. The pipeline flow rate is set to 1-1.5 m / s.

[0059] Step 2: The mixed liquid passing through the mixer 7 flows into the φ20 reduced diameter pipe 61 from the φ50mm external water inlet pipe 6. The reduced inner diameter of the pipe increases the flow rate. The high-speed jet mixed liquid is introduced into the cyclone sand settling drum 2 along the tangential direction. The flow rate of the mixed liquid in the reduced diameter pipe 61 is 6-10m / s.

[0060] Step 3: After the mixed liquid enters the cyclone sedimentation cylinder 2 tangentially at a certain pressure, a cyclone field is formed in the cyclone cylinder 21. Under the action of the cyclone field, the components with high density in the mixed liquid move axially downward and radially outward, adhere to the wall of the inverted cone cyclone groove 22, and then rotate down and sink into the mud and sand storage chamber and be discharged from the bottom flow port 16;

[0061] The components with low density in the mixed liquid move toward the central axis and swirl upward into the cylindrical flow guider 3 at the center of the axis. In addition to the stirring function, the agitator 12 also assists in lifting the liquid in the cylindrical flow guider 3, and overflows to the reaction zone on the upper part of the baffle outer cylinder 4 under the drainage of the cylindrical flow guider 3;

[0062] Step 4: The components with low density in the mixed liquid overflow to the upper part of the baffle outer cylinder 4 and are fully mixed and flocculated under the action of the stirrer 12. The fine flocculent particles contact and collide to form large floccules. The large granular floccules move downward along the outer wall of the cylindrical guide 3 and enter the sedimentation and clarification area between the baffle outer cylinder 4 and the clarification tank 1 under the uniform water distribution action of the guide plate 14; the stirring water flow velocity gradient is controlled at 500-1000s -1 The reaction time is about 30s. The mixer 12 is a variable frequency speed regulating motor, and the speed can be adjusted according to the sampling effect of the coagulation reaction.

[0063] Step 5: In the sedimentation zone at the bottom of the sedimentation and clarification zone, the negatively charged colloid particles or particles in the water collide and contact with the positively charged groups in the liquid medicine, thereby reducing the potential of the colloid particles and destabilizing them. The mixed liquid after electrical neutralization and destabilization is evenly distributed along the guide plate 14 and enters the clarification zone at the top of the sedimentation and clarification zone;

[0064] The reaction principle is that after the coagulant is mixed into the original solution, the colloidal particles have their potential reduced or eliminated, which destroys the stable state of the particles and causes destabilization. The destabilized particles aggregate into larger particles, and compressed double layers, adsorption charge neutralization, adsorption bridging, and sediment network formation occur between the particles, thereby forming larger vanadium flowers.

[0065] Step 6: The floccules that are destabilized and agglomerated in the clarification zone increase in density during the upflow process and swirl and sink into the swirl sedimentation tube 2; the floccules that have not sunk in the mixed liquid form a uniformly distributed mud suspension layer in the clarification zone. When the mixed liquid passes through the mud suspension layer, the suspended matter in the water is retained, and clarified effluent is obtained;

[0066] In the normal process of adding coagulant, if the dosage is small, the vanadium flowers will be very small, or even no vanadium flowers, and will not settle on the water surface. If the dosage is large, there will be more vanadium flowers, and the effect may not be good. Moreover, after the vanadium flowers sink to the bottom, they will quickly return to the water surface and will not achieve the flocculation effect. However, this embodiment adopts a large dosage and more vanadium flowers. Its main purpose is not only flocculation, but also to produce a suspended layer, which can achieve filtering.

[0067] Step 7: The effluent after passing through the sludge suspension layer enters the inclined tube filler 13. The inclined tube of the inclined tube filler 13 is set to 60°-70°, which can improve the clarification efficiency by 30%. The clarified water overflows from the outlet weir plate 5 set in the clarification tank 1 and is discharged through the outlet pipe 8, thereby completing the water treatment.

[0068] like Figure 2 As shown, the clarified mud suspension layer is the part filled with dense particles, because the inclined tube packing 13 is set on the upper part of the sedimentation and clarification area, and the clarification load of the inclined tube packing 13 is about 3 times that of the ordinary clarification area, which causes the clarified mud to be suspended in the ordinary clarification area and cannot enter the inclined tube area. Therefore, the mud suspension layer is filtered at the bottom of the inclined tube packing 13, and then enters the inclined tube packing 13 for clarification.

[0069] like Figure 1 As shown, in order to ensure the stability of the suspended layer and play a filtering role in the above water treatment process, the clarification tank 1 is also provided with a first sampling tube 9, a second sampling tube 10 and a third sampling tube 11. Specifically:

[0070] The water inlet of the first sampling tube 9 is arranged at the upper part of the inclined tube filler, and is used for clarifying the effluent for sampling;

[0071] The water inlet of the second sampling tube 10 is arranged at the lower part of the inclined tube filler, and is used for sampling the water quality of the suspended layer;

[0072] The third sampling tube 11 is arranged at the bottom of the clarification tank and is used for sampling water quality of coagulation reaction.

[0073] During the stock solution treatment process, the equipment is adjusted by taking water samples from the first sampling tube 9, the second sampling tube 10 and the third sampling tube 11; specifically:

[0074] The first sampling tube 9 is used to monitor the effect of clarifying the water output and adjust the water inlet;

[0075] The second sampling tube 10 is used to monitor the clarification effect of the suspended mud layer and adjust the frequency of mud discharge;

[0076] The third sampling tube 11 is used to monitor the coagulation reaction effect of the stock solution and the reagent, and to adjust the dosage of the reagent and the rotation speed of the mixer 12 .

[0077] Through the coordination of the three sampling tubes, the flocculation reaction can be controlled, the water output can be adjusted, and the clarification effect of the suspended sludge layer can be ensured, thereby ensuring that the entire cyclone flocculation clarification device completes water treatment more efficiently.

[0078] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A cyclonic flocculation clarification device, characterized in that: Including clarification system, reaction system and precipitation collection system; A clarification system for clarifying liquid, the clarification system comprising a clarification tank, an inclined tube filler, a water outlet weir plate and a water outlet pipe, the water outlet weir plate is arranged on the top of the clarification tank, the inclined tube filler is arranged in an annular manner on the inner side of the clarification tank, the water outlet pipe is arranged on one side of the water outlet weir plate, and the clarification tank is also provided with a first sampling tube, a second sampling tube and a third sampling tube; The water inlet of the first sampling tube is arranged at the upper part of the inclined tube filler, and is used for sampling the clarified water, and the water inlet is adjusted by monitoring the clarified water effect; The water inlet of the second sampling tube is arranged at the lower part of the inclined tube filler, and is used for sampling the water quality of the suspended layer, and the sludge discharge frequency is adjusted by monitoring the clarification effect of the suspended sludge layer; The third sampling tube is arranged at the bottom of the clarification tank, and is used for sampling the water quality of the coagulation reaction, and the dosage of the reagent and the speed of the mixer are adjusted by monitoring the coagulation reaction effect of the stock solution and the reagent; A reaction system for flocculation reaction of liquid, the reaction system is arranged in the clarification system, the reaction system comprises a baffle outer cylinder and a cylindrical flow guider, the baffle outer cylinder is arranged in the inclined tube packing, and the cylindrical flow guider is concentrically arranged in the baffle outer cylinder; A sedimentation collection system is used for collecting and discharging silt. The sedimentation collection system is arranged at the bottom of the clarification tank. The sedimentation collection system includes a cyclone sand settling cylinder, a water inlet pipe and a mixer. The water inlet pipe is arranged at the upper part of the cyclone sand settling cylinder and extends tangentially into the cyclone sand settling cylinder. A mixer is arranged on the external water inlet pipe. The mixer is used for adding medicine and mixing. The cyclone sand settling cylinder includes a cyclone cylinder and an inverted cone cyclone tank. It also includes a guide plate, which is arranged on the outer cylinder wall of the cylindrical guider extending into the cyclone sand settling cylinder, and is a circular inclined guide plate, and the outer diameter of the guide plate is larger than the outer diameter of the baffle outer cylinder, and the outer diameter of the guide plate is smaller than the inner diameter of the cyclone cylinder; The water outlet end of the water inlet pipe is a reduced diameter pipe, which is arranged in the tangential direction of the swirl cylinder and inclined downward by 3-5 degrees. The reduced diameter pipe is arranged at the lower part of the guide plate.

2. The cyclone flocculation clarification device according to claim 1, characterized in that: The clarification tank is a cylindrical clarification tank, the inclined tube filler is arranged in the middle of the clarification tank, and the inclined tube of the inclined tube filler is set at 60°-70°.

3. The cyclone flocculation clarification device according to claim 1, characterized in that: The baffle outer cylinder is sleeved in the inclined tube filler, the top of the baffle outer cylinder is higher than the water outlet weir plate, and a mixer is coaxially arranged in the baffle outer cylinder, and the mixer is not higher than the bottom of the water outlet weir plate.

4. The cyclone flocculation clarification device according to claim 3, characterized in that: The inner diameter of the cylindrical flow guider is not greater than the inner diameter of the baffle outer cylinder, the top of the cylindrical flow guider is lower than the mixer, and the bottom of the cylindrical flow guider protrudes from the baffle outer cylinder and extends into the cyclone sand settling cylinder.

5. The cyclone flocculation clarification device according to claim 1 or 4, characterized in that: The inner diameter of the cyclone cylinder is smaller than the inner diameter of the clarification tank. The upper part of the cyclone cylinder is connected to the bottom of the clarification tank via a conical cylinder, and the lower part of the cyclone cylinder is connected to the inverted conical cyclone tank.

6. The cyclone flocculation clarification device according to claim 5, characterized in that: Bottom brackets are arranged on both sides of the inverted cone vortex groove, the lower part of the inverted cone vortex groove is a mud and sand storage chamber, and a bottom flow port is arranged at the bottom of the inverted cone vortex groove.

7. A cyclonic flocculation clarification method, characterized in that: The invention comprises a cyclonic flocculation clarification device as claimed in any one of claims 1 to 6, further comprising the following steps: S1: Open the water inlet pipe and add medicine into the mixer at the same time. The medicine and the stock solution are evenly mixed to form a mixed liquid which is pumped into the cyclone sand settling cylinder. The flow rate of the pipeline is 1-1.5m / s; S2: The mixed liquid passes through the mixer and flows into the reduced diameter pipe. The jet mixed liquid is introduced into the cyclone sand settling cylinder along the tangential direction. The flow rate of the mixed liquid in the reduced diameter pipe is 6-10m / s. S3: After the mixed liquid enters the cyclone sedimentation cylinder tangentially, a cyclone field is formed in the cyclone cylinder. Under the action of the cyclone field, the components with high density in the mixed liquid move axially downward and radially outward, adhere to the wall of the inverted cone cyclone groove, rotate downward and sink into the mud and sand storage chamber and are discharged from the bottom flow outlet; The components with low density in the mixed liquid move toward the central axis, and swirl upward in the center of the axis into the cylindrical guide tube, and overflow to the coagulation reaction zone outside the baffle outer tube under the guidance of the cylindrical guide tube; S4: The components with low density in the mixed liquid overflow to the upper part of the baffle outer cylinder and are fully mixed and flocculated under the action of the agitator. The fine flocculent particles contact and collide to form large floccules. The large floccules flow downward along the outer wall of the cylindrical guide and enter the sedimentation and clarification area between the baffle outer cylinder and the clarification tank under the action of uniform water distribution by the guide plate. S5: In the sedimentation zone at the bottom of the sedimentation and clarification zone, the negatively charged colloid particles or particles in the water collide and contact with the positively charged groups in the liquid medicine, which reduces the potential of the colloid particles and destabilizes them. The mixed liquid after charge neutralization and destabilization is evenly distributed along the guide plate and enters the clarification zone at the top of the sedimentation and clarification zone; S6: The floccules that are destabilized and agglomerated in the clarification zone become denser during the upflow process and swirl down into the swirl sedimentation tube; the floccules that do not sink in the mixed liquid form a uniformly distributed mud suspension layer in the clarification zone. When the mixed liquid passes through the mud suspension layer, the suspended matter in the water is retained, and clarified water is obtained; S7: After the effluent from the sludge suspension layer passes through the inclined tube filler, the clarified water overflows from the outlet weir plate set in the clarification tank and is discharged through the outlet pipe; S8: During the raw liquid treatment process, the device is adjusted by using the water samples obtained from the first sampling tube, the second sampling tube, and the third sampling tube; specifically: The first sampling tube is used to monitor the effect of clarified water and adjust the water inlet; The second sampling tube is used to monitor the clarification effect of the suspended mud layer and adjust the frequency of mud discharge; The third sampling tube is used to monitor the coagulation reaction effect of the stock solution and the reagent, and to adjust the dosage of the reagent and the speed of the mixer.

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