Efficient dosing coagulation device for integrated domestic sewage treatment machine

Abstract

The invention relates to the technical field of sewage treatment, and discloses an efficient dosing coagulation device for an integrated domestic sewage treater, the efficient dosing coagulation device comprises a water tank, a medicine box and a water inlet pipe, the upper end of the water tank is provided with an opening, the opening is fixedly connected with a cover plate, and the center of the cover plate is fixedly connected with a gas distribution cover through a round hole; the upper end of the gas distribution cover is fixedly connected with the lower end of the pesticide box, the lower end of the gas distribution cover is fixedly connected with a water distribution plate, the water outlet end of the water inlet pipe extends into the water tank and is fixedly connected with a water distribution mechanism, and the water distribution plate is arranged in the water distribution mechanism; according to the water distribution mechanism, sewage forms a water curtain along the edge of the water distribution plate by changing the drainage mode of the sewage, so that the contact area between the sewage and a flocculating agent is increased. According to the efficient dosing coagulation device for the integrated domestic sewage treatment machine, flocculants in different forms can be efficiently and fully fused in sewage, and the dissolving speed and the flocculation efficiency of the flocculants are improved.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, and in particular to a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine. Background Art

[0002] When treating domestic sewage, the raw water first enters the primary sedimentation tank. The rising flow rate of sewage in the sedimentation tank is 0.6-0.7 mm / s. The precipitated sludge is lifted to the sludge tank by air. The precipitated sewage enters the contact oxidation tank for biochemical treatment. The contact tank is divided into three levels, with a total residence time of more than 4 hours. The contact oxidation time of the enhanced equipment can reach 6 hours. The sewage after biochemical treatment flows to the secondary sedimentation tank. The secondary sedimentation tank is two vertical flow sedimentation tanks running in parallel, with an rising flow rate of 0.3-0.4 mm / s. The sludge is lifted to the sludge tank by air. Before the sewage discharged from the secondary sedimentation tank enters the flocculation tank, a dosing device is used in the pipeline to add flocculation. Coagulant can make the impurities such as suspended solids, colloids and organic matter in the sewage condense into larger particles, which are then separated by sedimentation, filtration and other methods. The flocculated sewage enters the disinfection tank and disinfection device, and adopts the disinfection method of solid chlorine tablet contact dissolution. The disinfection tank and disinfection device can continuously change the dosage according to the amount of water output, so as to achieve the purpose of more water output and more dosage, and less water output and less dosage. The disinfected sewage can meet the discharge standards. In addition, the integrated sewage treatment equipment also needs to be equipped with a fan room. The fan usually adopts two L-type Roots blowers, which can automatically operate alternately to supply the required air volume for the entire sewage treatment equipment.

[0003] At present, flocculants are usually added by directly sending them into the sewage lifting pipe, and the flocculants are carried away by the flow of sewage. However, during the flow process, the sewage and the flocculant move together, resulting in the inability to fully dissolve in the short-distance pipe. As a result, the flocculant cannot be evenly integrated into the sewage in the flocculation tank, affecting the efficiency of sewage flocculation. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides a high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine, which can solve the problem that in the process of flocculant being carried away by the flow of sewage, sewage and flocculant move together, resulting in the inability to fully dissolve in a short-distance pipeline, resulting in the flocculant being unable to be evenly integrated into the sewage in the flocculation tank, affecting the efficiency of sewage flocculation.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine, comprising a water tank, a medicine box and a water inlet pipe, the upper end of the water tank is provided with an opening, and a cover plate is fixedly connected to the opening, a gas distribution cover is fixedly connected to the center of the cover plate through a circular hole, the upper end of the gas distribution cover is fixedly connected to the lower end of the medicine box, the lower end of the gas distribution cover is fixedly connected to a water distribution plate, the water outlet end of the water inlet pipe extends into the water tank and is fixedly connected to a water distribution mechanism, and the water distribution plate is arranged in the water distribution mechanism;

[0008] The water distribution mechanism changes the drainage mode of sewage so that the sewage forms a water curtain along the edge of the water distribution plate, thereby increasing the contact area between the sewage and the flocculant;

[0009] The lower end of the medicine box is fixedly connected to a vertical pipe, the center of the water distribution plate is fixed to the wall of the vertical pipe through a circular hole, the lower end of the vertical pipe extends to the bottom of the water distribution plate and is connected to a premixing mechanism, the premixing mechanism disperses the liquid flocculant through a high-speed airflow and then contacts and melts the liquid flocculant with the sewage discharged by the water distribution mechanism, the upper end of the medicine box is fixedly connected to an end cap, one side of the end cap is fixedly connected to a high-pressure air pipe, and the lower end of the high-pressure air pipe is connected to the premixing mechanism;

[0010] A circular ring is fixedly connected in the medicine box, and a gas distribution mechanism is installed in the circular ring. The gas distribution mechanism blows the solid flocculant through a variable-direction airflow to form dust, which then enters the gas distribution hood and contacts the water curtain. A plurality of conduits are fixedly connected in the medicine box;

[0011] A half shaft is arranged in the water tank, a mixing assembly is installed on the half shaft, and an overflow pipe is fixedly connected to one side of the water tank.

[0012] Preferably, the water distribution mechanism includes an annular tube, the tube wall of the annular tube is provided with an annular opening, the lower end of the water inlet pipe is fixedly connected to the tube wall of the annular tube, a conical cover is fixedly connected to the tube wall of the annular tube, a drainage channel is formed between the conical cover and the water distribution plate, a plurality of exhaust holes are obliquely provided on the side wall of the air distribution cover, an extension portion is provided at the lower end of the conical cover, a conical bottom is fixedly connected to the lower end of the conical bottom, a plurality of drainage pipes are fixedly connected to the lower ends of the plurality of drainage pipes, a bending portion is provided at the lower ends of the plurality of drainage pipes, and an inclined portion is provided at the pipe opening at one end of the bending portion.

[0013] Preferably, the premixing mechanism comprises an air intake pipe, the diameter of the air intake pipe is smaller than the diameter of the stand pipe and is fixed in the stand pipe through a connecting block, the lower end of the high-pressure air pipe is fixedly connected to the pipe wall of the air intake pipe at the pipe opening, a rotating shaft is rotatably connected in the air intake pipe through a plurality of sealing bearings, the lower end of the rotating shaft extends into the stand pipe and is fixedly connected to a valve block, the lower end of the stand pipe is provided with a flaring portion matching the diameter of the valve block, the upper end of the valve block is sleeved with an isolating cover through an annular groove, the isolating cover is fixed to the pipe wall of the air intake pipe through a circular hole, and the lower end of the rotating shaft is fixedly connected to the upper end of the valve block through a bracket;

[0014] A motor is fixedly connected to the upper end of the end cover, the output end of the motor is fixedly connected to the upper end of the rotating shaft, the upper end of the air inlet pipe is fixedly connected to the lower end of the end cover, a blind hole is opened at the center of the valve block, a plurality of side spray holes connected to the blind hole are opened on the side wall of the valve block, and a control component for controlling the liquid flocculant delivery amount is installed on the bottom inner wall of the medicine box.

[0015] Preferably, a plurality of inclined holes distributed in a circular array are opened through the upper and lower ends of the valve block, a plurality of negative pressure holes are opened on the side wall of the valve block, and the plurality of negative pressure holes are respectively connected to the plurality of inclined holes, a plurality of evenly distributed notches are opened on the inner side of the lower end of the expansion part, the lower end of the valve block is fixedly connected to a splashback plate, and the upper end of the semi-shaft is fixed at the center of the lower end of the splashback plate.

[0016] Preferably, the control component includes a fixing ring, a rubber pad is provided at the lower end of the fixing ring, and the rubber pad is in contact with the upper end of the vertical pipe, the fixing ring is sleeved on the pipe wall of the air inlet pipe, and is fixedly connected to two ear seats, and the lower end of the medicine box is fixedly connected to two electric push rods, the output shafts of the two electric push rods are sleeved with shaft sleeves, the shaft sleeves are fixed to the bottom of the medicine box, and the upper end of the output shaft of the electric push rod passes through the shaft sleeve and is fixedly connected to the side wall of the ear seat.

[0017] Preferably, the valve mechanism includes an annular block, which is sleeved in a circular ring, and the upper end of the circular ring is fixedly connected to an annular plate, and the lower end of the annular plate is provided with a shielding portion of an annular structure, and a plurality of wind shields are rotatably connected to the shielding portion and the circular ring through a pin shaft, and one side of the plurality of wind shields is rotatably connected to a pull rod through a pin, and the upper end of the pull rod is rotatably connected to the inner side of the annular block through an axle pin, and the side wall of the annular block is fixedly connected to two threaded sleeves through a circular hole, and screw rods are threaded in the two threaded sleeves, and the lower end of the annular plate is fixedly connected to a reduction motor, and the output end of the reduction motor is fixedly connected to the upper end of the screw rod, and the side wall of the circular ring is fixedly connected to two air inlet pipes, and the side wall of the medicine box is fixedly connected to the pipe wall of the air inlet pipe through a square opening.

[0018] Preferably, the mixing assembly includes a plurality of paddles, and the plurality of paddles are fixed on the shaft wall of the half-shaft, and the lower end of the half-shaft is rotatably connected to the bottom inner wall of the water tank through a sealed bearing, and an annular frame is fixedly connected to the shaft wall of the half-shaft, and a plurality of rectangular holes are provided on the side wall of the annular frame, and a bottom connecting plate of the annular frame, and a protrusion is provided on the side wall of the connecting plate, and a plurality of flow ports are provided on the protrusion, and a plurality of blades are fixedly connected to the protrusion, and the plurality of blades are cross-arranged with the plurality of flow ports.

[0019] Preferably, a guide part is provided at one end of the overflow pipe, a plurality of air inlet holes are opened on one side of the guide part, a rectangular tube is fixedly connected to one end of the guide part, the rectangular tube is located in the water tank, and the upper end of the rectangular tube is higher than the end of the overflow pipe.

[0020] Preferably, two corrugated plates are fixedly connected in the overflow pipe, a first spoiler channel is formed between the two corrugated plates, a plurality of diverter blocks are fixedly connected in the overflow pipe, the plurality of diverter blocks are all located in the first spoiler channel, a second spoiler channel is formed between the corrugated plates and the tube wall of the overflow pipe, and protrusions are fixedly connected to the inner walls on both sides of the overflow pipe that are opposite to each other, and the protrusions are located in the second spoiler channel.

[0021] Preferably, the upper ends of the plurality of conduits are each provided with a bending portion, the lower ends of the conduits pass through the medicine box and are connected to the gas distribution hood, and a feed pipe is fixedly connected to one side of the medicine box.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the present invention provides a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine, which has the following beneficial effects:

[0024] 1. When the present invention is in use, compressed air passes through the air distribution mechanism through a variable direction of air flow to blow the solid flocculant to form dust, and then enters the air distribution hood to contact the water curtain. At this time, the solid flocculant can be allowed to enter the air distribution hood in the form of dust along with the air flow through the conduit and contact the formed water curtain. After the contact, the sewage is collected to the bottom of the water tank through the drain pipe. After being stirred by the mixing component, the flocculant can be fully integrated into the sewage. After the sewage liquid level rises, it is discharged through the overflow pipe and flows into the flocculation tank to further complete the flocculation precipitation. When the flocculant is liquid, the air flow cannot blow the liquid flocculant to form aerosol. At this time, compressed gas can be transported from the high-pressure air pipe into the air intake pipe, and the gas in the air intake pipe is directly hit toward the premixing mechanism. At the same time, by controlling the flocculant delivery amount of the premixing mechanism, the liquid flocculant enters the premixing mechanism and is blown away by the air flow to form aerosol and merge with the sewage and water mist in the water distribution mechanism. In this way, the flocculant can be fully integrated into the sewage. Finally, the gas and sewage enter the water tank through the drain pipe together and are stirred by the mixing component.

[0025] 2. The premixing mechanism provided in the present invention, when in use, starts the electric push rod to push the fixed ring to move the rubber pad away from the pipe mouth of the vertical pipe. After the removal, the liquid flocculant can flow into the vertical pipe and enter the gap between the expanded part and the valve block under the action of gravity. A part of the compressed gas in the air inlet pipe enters the blind hole and is sprayed out from the side spray hole to blow away the liquid flocculant to form a mist. The other part of the gas is obliquely discharged through the inclined hole. Due to the large gas flow rate, the Bernoulli effect in fluid dynamics will be generated in the inclined hole. At this time, the liquid flocculant in the gap between the expanded part and the valve block can automatically flow into and be sucked into the inclined hole by the action of the negative pressure of the gas. At this time, the liquid flocculant can be atomized to form aerosol. In addition, the solid flocculant can also be divided into two ways to form dust dissolved in sewage in this way. During operation, the motor can be started to drive the rotating shaft to rotate, and the quasi-axis rotation drives the valve block to rotate. At this time, the valve block can rotate to discharge the flocculant blown away by the airflow, so that the flocculant can be efficiently dispersed and dissolved in sewage, thereby increasing the speed of the flocculant dissolving in sewage.

[0026] 3. The present invention is provided with a gas distribution mechanism. When in use, the gas enters between the annular plate and the circular ring through the air inlet pipe, and multiple airflows are formed under the action of multiple wind shields to blow toward the flocculant in the medicine box. The reduction motor is started to drive the screw to rotate. When the screw rotates, it drives the threaded sleeve to move the annular block. When the annular block moves, it drives the pull rod to swing the wind shield. When the wind shield swings, the direction of the airflow can be switched. When the wind shield is in a horizontal posture, the gap between the two wind shields is the smallest. At this time, the airflow blows vertically toward the flocculant in the medicine box at the maximum flow rate. When the wind shield is tilted, the airflow is tilted and discharged in the medicine box to form a vortex, so that the solid flocculant can be blown up to form dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0028] Figure 2 The invention proposes a high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine. Figure 1 A cross-sectional view of

[0029] Figure 3 This is a structural schematic diagram of a premixing mechanism and a water distribution mechanism in a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0030] Figure 4 This is a structural schematic diagram of a premixing mechanism in a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0031] Figure 5This is a structural schematic diagram of the expansion part of a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0032] Figure 6 This is a structural schematic diagram of a valve block in a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0033] Figure 7 This is a structural schematic diagram of a gas distribution hood in a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0034] Figure 8 This is a schematic structural diagram of a cone cover and a cone bottom in a high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0035] Fig. 9 This is a schematic structural diagram of an annular frame, blades and raised parts in a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0036] Fig.10 This is a schematic diagram of the structure of a splashback plate in a high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0037] Fig.11 This is a schematic structural diagram of an overflow pipe and a rectangular pipe in a high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine proposed by the present invention;

[0038] Fig.12 The present invention is a schematic structural diagram of a gas distribution mechanism in a high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine.

[0039] In the figure: 1, medicine box; 2, end cover; 3, motor; 4, high-pressure air pipe; 5, air inlet pipe; 6, overflow pipe; 7, water tank; 8, annular plate; 9, circular ring; 10, air distribution cover; 11, vertical pipe; 12, annular pipe; 13, conical cover; 14, conical bottom; 15, drainage pipe; 16, paddle; 17, rectangular pipe; 18, conduit; 19, air inlet pipe; 20, fixing ring; 21, electric push rod; 22, water distribution plate; 23, annular frame ; 24. splashback plate; 25. valve block; 26. annular opening; 27. isolation cover; 28. flared portion; 29. ​​negative pressure hole; 30. side spray hole; 31. blind hole; 32. inclined hole; 33. rotating shaft; 34. notch; 35. exhaust hole; 36. blade; 37. raised portion; 38. bump; 39. corrugated plate; 40. wind shield; 41. annular block; 42. screw rod; 43. reduction motor; 44. pull rod; 45. threaded sleeve. DETAILED DESCRIPTION

[0040] 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.

[0041] Example 1: Refer to the attached Figure 1-Figure 12 , An efficient dosing coagulation device for an integrated domestic sewage treatment machine, comprising a water tank 7, a medicine box 1 and a water inlet pipe, an upper end of the water tank 7 is provided with an opening, and a cover plate is fixedly connected to the opening, a gas distribution cover 10 is fixedly connected to the center of the cover plate through a circular hole, the upper end of the gas distribution cover 10 is fixedly connected to the lower end of the medicine box 1, and a water distribution plate 22 is fixedly connected to the lower end of the gas distribution cover 10, the water outlet end of the water inlet pipe extends into the water tank 7 and is fixedly connected to a water distribution mechanism, and the water distribution plate 22 is arranged in the water distribution mechanism;

[0042] The water distribution mechanism includes an annular tube 12, an annular opening 26 is provided on the tube wall of the annular tube 12, the lower end of the water inlet pipe is fixedly connected to the tube wall of the annular tube 12, a conical cover 13 is fixedly connected to the tube wall of the annular tube 12, a drainage channel is formed between the conical cover 13 and the water distribution plate 22, a plurality of exhaust holes 35 are obliquely provided on the side wall of the gas distribution cover 10, a conical bottom 14 is fixedly connected to the lower end of the conical cover 13, a plurality of drainage pipes 15 are fixedly connected to the lower end of the conical bottom 14, a bending portion is provided at the lower end of the plurality of drainage pipes 15, and an inclined portion is provided at the tube mouth of one end of the bending portion, and the water distribution mechanism is provided by The sewage discharge mode is changed so that the sewage forms a water curtain along the edge of the water distribution plate 22, thereby increasing the contact area between the sewage and the flocculant. The lower end of the medicine box 1 is fixedly connected with the vertical pipe 11, and the center of the water distribution plate 22 is fixed on the pipe wall of the vertical pipe 11 through a circular hole. The lower end of the vertical pipe 11 extends to the bottom of the water distribution plate 22 and is connected with a premixing mechanism. The premixing mechanism disperses the liquid flocculant through a high-speed airflow and then contacts and melts it with the sewage discharged by the water distribution mechanism. The upper end of the medicine box 1 is fixedly connected with an end cover 2, and one side of the end cover 2 is fixedly connected with a high-pressure air pipe 4, and the lower end of the high-pressure air pipe 4 is connected to the premixing mechanism;

[0043] A ring 9 is fixedly connected in the medicine box 1, and a gas distribution mechanism is installed in the ring 9. The gas distribution mechanism blows the solid flocculant through a variable-direction airflow to form dust, which then enters the gas distribution cover 10 and contacts the water curtain. A plurality of conduits 18 are fixedly connected in the medicine box 1, and the upper ends of the plurality of conduits 18 are all provided with bending parts. The lower ends of the conduits 18 pass through the medicine box 1 and are connected to the gas distribution cover 10. A feed pipe is fixedly connected to one side of the medicine box 1.

[0044] A half shaft is arranged in the water tank 7, and a mixing assembly is installed on the half shaft. The mixing assembly includes a plurality of paddles 16, and the plurality of paddles 16 are fixed on the shaft wall of the half shaft. The lower end of the half shaft is rotatably connected to the bottom inner wall of the water tank 7 through a sealed bearing. An annular frame 23 is fixedly connected to the shaft wall of the half shaft. The side wall of the annular frame 23 is provided with a plurality of rectangular holes. The bottom connecting plate of the annular frame 23, the side wall of the connecting plate is provided with a raised portion 37, the raised portion 37 is provided with a plurality of flow ports, the raised portion 37 is fixedly connected with a plurality of blades 36, and the plurality of blades 36 are cross-arranged with the plurality of flow ports. An overflow pipe 6 is fixedly connected to one side of the water tank 7. The overflow pipe 6 is provided with a guide portion at one end, and a plurality of air inlet holes are opened on one side of the guide portion. A rectangular tube 17 is fixedly connected to one end of the guide portion, and the rectangular tube 17 is located in the water tank 7. The upper end of the rectangular tube 17 is higher than the pipe mouth of the overflow pipe 6. Two corrugated plates 39 are fixedly connected in the overflow pipe 6, and a first spoiler channel is formed between the two corrugated plates 39. A plurality of diverter blocks are fixedly connected in the overflow pipe 6, and the plurality of diverter blocks are all located in the first spoiler channel. A second spoiler channel is formed between the corrugated plate 39 and the pipe wall of the overflow pipe 6, and protrusions 38 are fixedly connected to the inner walls on both sides of the overflow pipe 6, and the protrusions 38 are located in the second spoiler channel.

[0045] When the present invention is in use, the flocculant is transported from the feed pipe. The flocculant is added in a continuous transport mode or intermittently transported. When the flocculant is transported intermittently, the highest position does not exceed the entrance of the bent portion. The water inlet pipe is connected to the output end of the sewage pump to continuously transport the sewage precipitated in the secondary sedimentation tank. The sewage enters the water distribution mechanism after passing through the water inlet pipe. The water distribution mechanism changes the drainage mode of the sewage so that the sewage forms a water curtain along the edge of the water distribution plate 22. Compressed air (Roots blower can be used to transport gas with a certain pressure) passes through the air distribution mechanism through a variable direction of air flow to blow the solid flocculant to form dust, which then enters the air distribution hood 10 and contacts the water curtain. At this time, the solid flocculant can enter the air distribution hood 10 in the form of dust along with the air flow through the conduit 18 and contact the formed water curtain. After contact, the sewage is collected at the bottom of the water tank 7 through the drain pipe 15. After being stirred by the mixing component, the flocculant can be fully integrated into the sewage. After the sewage liquid level rises, it is discharged through the overflow pipe 6 and flows into the flocculation tank to further complete the flocculation precipitation.

[0046] When the flocculant is in liquid state, the airflow cannot blow the liquid flocculant to form aerosol. At this time, compressed gas can be delivered from the high-pressure air pipe 4 into the air inlet pipe 19. The gas in the air inlet pipe 19 directly hits the premixing mechanism. At the same time, by controlling the flocculant delivery amount of the premixing mechanism, the liquid flocculant is blown away by the airflow after entering the premixing mechanism to form aerosol and merge with the sewage and water mist in the water distribution mechanism. In this way, the flocculant can be fully integrated into the sewage. Finally, the gas and the sewage enter the water tank 7 through the drain pipe 15 and are stirred by the mixing component. In addition, when the sewage is discharged through the overflow pipe 6, the gas used to enter the water tank 7 first passes through the rectangular tube 17 into the guide part, and then passes through the air inlet hole to mix with the water in the overflow pipe 6. The air pressure in the water tank 7 can drive the sewage to flow rapidly from the overflow pipe 6. During the flow, the sewage passes through the first turbulent channel and the second turbulent channel and then flows in a curve. In this way, the sewage can be mixed with the flocculant that is not completely dissolved again, so that the flocculant can be fully merged with the sewage.

[0047] Embodiment 2: Based on embodiment 1, the difference is that;

[0048] See attached Figure 2-Figure 7 The premixing mechanism includes an intake pipe 19, the diameter of the intake pipe 19 is smaller than the diameter of the stand pipe 11 and is fixed in the stand pipe 11 through a connecting block. The lower end of the high-pressure air pipe 4 is fixedly connected to the pipe wall of the intake pipe 19. A rotating shaft 33 is rotatably connected in the intake pipe 19 through a plurality of sealing bearings. The lower end of the rotating shaft 33 extends into the stand pipe 11 and is fixedly connected to a valve block 25. The lower end of the stand pipe 11 is provided with a flared portion 28 matching the diameter of the valve block 25. The upper end of the valve block 25 is sleeved with an isolation cover 27 through an annular groove. The isolation cover 27 is fixed to the pipe wall of the intake pipe 19 through a circular hole. The lower end of the rotating shaft 33 is fixedly connected to the upper end of the valve block 25 through a bracket.

[0049] The upper end of the end cover 2 is fixedly connected with a motor 3, the output end of the motor 3 is fixedly connected to the upper end of the rotating shaft 33, the upper end of the intake pipe 19 is fixedly connected to the lower end of the end cover 2, a blind hole 31 is opened at the center of the valve block 25, a plurality of side spray holes 30 connected to the blind hole 31 are opened on the side wall of the valve block 25, a plurality of inclined holes 32 distributed in a ring array are opened between the upper and lower ends of the valve block 25, a plurality of negative pressure holes 29 are opened on the side wall of the valve block 25, and the plurality of negative pressure holes 29 are respectively connected to the plurality of inclined holes 32, a plurality of evenly distributed notches 34 are opened on the inner side of the lower end of the expanded portion 28, and a reverse The splash plate 24, the upper end of the half shaft is fixed at the center of the lower end of the anti-splash plate 24, and a control component for controlling the liquid flocculant delivery amount is installed on the bottom inner wall of the medicine box 1. The control component includes a fixed ring 20, and a rubber pad is provided at the lower end of the fixed ring 20, and the rubber pad is in contact with the upper end of the vertical pipe 11. The fixed ring 20 is sleeved on the pipe wall of the air inlet pipe 19 and is fixedly connected to two ear seats. The lower end of the medicine box 1 is fixedly connected to two electric push rods 21, and the output shafts of the two electric push rods 21 are sleeved with shaft sleeves, which are fixed to the bottom of the medicine box 1, and the upper end of the output shaft of the electric push rod 21 passes through the shaft sleeve and is fixedly connected to the side wall of the ear seat.

[0050] The premixing mechanism provided in the present invention, when in use, starts the electric push rod 21 to push the fixing ring 20 to remove the rubber pad from the pipe mouth of the standpipe 11, after which the liquid flocculant can flow into the standpipe 11 under the action of gravity and enter the gap between the expanded portion 28 and the valve block 25, a part of the compressed gas in the air inlet pipe 19 enters the blind hole 31 and is sprayed out from the side spray hole 30 to blow away the liquid flocculant to form a mist, and the other part of the gas passes through the inclined hole 32 and is discharged obliquely. Due to the high gas flow rate, the Bernoulli effect in fluid dynamics will be generated in the inclined hole 32. The liquid flocculant in the gap between the expanded portion 28 and the valve block 25 can automatically flow into and be sucked into the inclined hole 32 by the negative pressure of the gas. At this time, the liquid flocculant can be atomized to form aerosol. In addition, the solid flocculant can be divided into two ways to form dust dissolved in sewage in this way. When working, the rotating shaft 33 can be driven to rotate by starting the motor 3, and the quasi-axis rotation drives the valve block 25 to rotate. At this time, the valve block 25 can rotate to discharge the flocculant blown away by the airflow, so that the flocculant can be efficiently dispersed and dissolved in the sewage, thereby increasing the speed at which the flocculant dissolves in the sewage.

[0051] Embodiment 3: Based on embodiment 1, the difference is that;

[0052] See attached Figure 2 and Fig.12The gas distribution mechanism includes an annular block 41, which is sleeved in the circular ring 9. The upper end of the circular ring 9 is fixedly connected with an annular plate 8. The lower end of the annular plate 8 is provided with a shielding portion of an annular structure. A plurality of wind shields 40 are rotatably connected between the shielding portion and the circular ring 9 through a pin shaft. One side of the plurality of wind shields 40 is rotatably connected with a pull rod 44 through a pin. The upper end of the pull rod 44 is rotatably connected to the inner side of the annular block 41 through an axle pin. The side wall of the annular block 41 is fixedly connected with two threaded sleeves 45 through a circular hole. The two threaded sleeves 45 are both threaded with a screw rod 42. The lower end of the annular plate 8 is fixedly connected with a reduction motor 43. The output end of the reduction motor 43 is fixedly connected to the upper end of the screw rod 42. The side wall of the circular ring 9 is fixedly connected with two air inlet pipes 5. The side wall of the medicine box 1 is fixedly connected to the pipe wall of the air inlet pipe 5 through a square opening.

[0053] The reduction motor 43 uses a stepper motor as a driving force, and realizes the forward and reverse rotation of the reduction motor 43 through its dedicated controller, or uses a reciprocating servo as a power component instead. This technology has been widely used in life and is already known to those skilled in the art, so it will not be elaborated on.

[0054] The present invention is provided with a gas distribution mechanism. When in use, the gas enters between the annular plate 8 and the circular ring 9 through the air inlet pipe 5, and multiple airflows are formed under the action of multiple wind shields 40 to blow toward the flocculant in the medicine box 1. The reduction motor 433 is started to drive the screw rod 42 to rotate. When the screw rod 42 rotates, it drives the threaded sleeve 45 to move the annular block 41. When the annular block 41 moves, it drives the pull rod 44 to swing the wind shield 40. When the wind shield 40 swings, the direction of the airflow can be switched. When the wind shield 40 is in a horizontal posture, the gap between the two wind shields 40 is the smallest. At this time, the airflow blows vertically toward the flocculant in the medicine box 1 at the maximum flow rate. When the wind shield 40 is tilted, the airflow is tilted and discharged in the medicine box 1 to form a vortex, so that the solid flocculant can be blown up to form dust.

[0055] It should be noted that the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency dosing and coagulation device for an integrated domestic sewage treatment machine, comprising a water tank (7), a medicine box (1) and a water inlet pipe, characterized in that: The upper end of the water tank (7) is provided with an opening, and a cover plate is fixedly connected to the opening; a gas distribution cover (10) is fixedly connected to the center of the cover plate through a circular hole; the upper end of the gas distribution cover (10) is fixedly connected to the lower end of the medicine box (1); the lower end of the gas distribution cover (10) is fixedly connected to a water distribution plate (22); the water outlet end of the water inlet pipe extends into the water tank (7) and is fixedly connected to a water distribution mechanism; the water distribution plate (22) is arranged in the water distribution mechanism; The water distribution mechanism changes the drainage mode of the sewage so that the sewage forms a water curtain along the edge of the water distribution plate (22), thereby increasing the contact area between the sewage and the flocculant; The lower end of the medicine box (1) is fixedly connected to a vertical pipe (11), the center of the water distribution plate (22) is fixed to the wall of the vertical pipe (11) through a circular hole, the lower end of the vertical pipe (11) extends to the bottom of the water distribution plate (22) and is connected to a premixing mechanism, the premixing mechanism disperses the liquid flocculant through a high-speed airflow and then contacts and melts the liquid flocculant with the sewage discharged by the water distribution mechanism, the upper end of the medicine box (1) is fixedly connected to an end cover (2), one side of the end cover (2) is fixedly connected to a high-pressure air pipe (4), and the lower end of the high-pressure air pipe (4) is connected to the premixing mechanism; A circular ring (9) is fixedly connected inside the medicine box (1), and a gas distribution mechanism is installed inside the circular ring (9). The gas distribution mechanism blows the solid flocculant through a variable-direction airflow to form dust, which then enters the gas distribution cover (10) and contacts the water curtain. A plurality of conduits (18) are fixedly connected inside the medicine box (1); A half shaft is arranged in the water tank (7), a mixing assembly is installed on the half shaft, and an overflow pipe (6) is fixedly connected to one side of the water tank (7).

2. According to claim 1, a high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine is characterized in that: The water distribution mechanism comprises an annular tube (12), a tube wall of the annular tube (12) is provided with an annular opening (26), the lower end of the water inlet pipe is fixedly connected to the tube wall of the annular tube (12), a conical cover (13) is fixedly connected to the tube wall of the annular tube (12), a drainage channel is formed between the conical cover (13) and the water distribution plate (22), a side wall of the air distribution cover (10) is inclinedly provided with a plurality of exhaust holes (35), an extension portion is provided at the lower end of the conical cover (13), a cone bottom (14) is fixedly connected at the lower end of the extension portion, a plurality of drainage pipes (15) are fixedly connected at the lower end of the cone bottom (14), a plurality of drainage pipes (15) are all provided with a bending portion at the lower end of the plurality of drainage pipes (15), and an inclined portion is provided at the pipe opening at one end of the bending portion.

3. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 1, characterized in that: The premixing mechanism comprises an air intake pipe (19), the diameter of the air intake pipe (19) is smaller than the diameter of the stand pipe (11) and is fixed in the stand pipe (11) through a connecting block, the lower end of the high-pressure air pipe (4) is fixedly connected to the pipe wall of the air intake pipe (19), a rotating shaft (33) is rotatably connected in the air intake pipe (19) through a plurality of sealing bearings, the lower end of the rotating shaft (33) extends into the stand pipe (11) and is fixedly connected to a valve block (25), the lower end of the stand pipe (11) is provided with a flaring portion (28) matching the diameter of the valve block (25), the upper end of the valve block (25) is sleeved with an isolating cover (27) through an annular groove, the isolating cover (27) is fixed on the pipe wall of the air intake pipe (19) through a circular hole, and the lower end of the rotating shaft (33) is fixedly connected to the upper end of the valve block (25) through a bracket; The upper end of the end cover (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to the upper end of the rotating shaft (33), the upper end of the air inlet pipe (19) is fixedly connected to the lower end of the end cover (2), a blind hole (31) is provided at the center of the valve block (25), a plurality of side spray holes (30) connected to the blind hole (31) are provided on the side wall of the valve block (25), and a control component for controlling the amount of liquid flocculant delivered is installed on the bottom inner wall of the medicine box (1).

4. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 3, characterized in that: A plurality of inclined holes (32) distributed in a circular array are provided between the upper and lower ends of the valve block (25); a plurality of negative pressure holes (29) are provided on the side wall of the valve block (25); the plurality of negative pressure holes (29) are respectively connected to the plurality of inclined holes (32); a plurality of evenly distributed notches (34) are provided on the inner side of the lower end of the expanded portion (28); the lower end of the valve block (25) is fixedly connected to a splashback disk (24); and the upper end of the semi-shaft is fixed at the center of the lower end of the splashback disk (24).

5. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 3, characterized in that: The control component comprises a fixing ring (20), a rubber pad is arranged at the lower end of the fixing ring (20), and the rubber pad contacts the upper end of the vertical pipe (11), the fixing ring (20) is sleeved on the pipe wall of the air inlet pipe (19), and is fixedly connected to two ear seats, the lower end of the medicine box (1) is fixedly connected to two electric push rods (21), the output shafts of the two electric push rods (21) are sleeved with shaft sleeves, and the shaft sleeves are fixed to the bottom of the medicine box (1), and the upper end of the output shaft of the electric push rod (21) passes through the shaft sleeve and is fixedly connected to the side wall of the ear seat.

6. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 1, characterized in that: The valve mechanism comprises an annular block (41), the annular block (41) is sleeved in a circular ring (9), the upper end of the circular ring (9) is fixedly connected with an annular plate (8), the lower end of the annular plate (8) is provided with an annular shielding portion, a plurality of windshield plates (40) are rotatably connected between the shielding portion and the circular ring (9) via a pin shaft, one side of the plurality of windshield plates (40) are rotatably connected with a pull rod (44) via a pin, the upper end of the pull rod (44) is connected to the inner portion of the annular block (41) via an axle pin. The side wall of the annular block (41) is fixedly connected to two threaded sleeves (45) through a circular hole, and the two threaded sleeves (45) are both threadedly connected to a screw rod (42). The lower end of the annular plate (8) is fixedly connected to a reduction motor (43), and the output end of the reduction motor (43) is fixedly connected to the upper end of the screw rod (42). The side wall of the circular ring (9) is fixedly connected to two air inlet pipes (5), and the side wall of the medicine box (1) is fixedly connected to the pipe wall of the air inlet pipe (5) through a square opening.

7. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 1, characterized in that: The mixing assembly comprises a plurality of paddles (16), the plurality of paddles (16) are fixed on the shaft wall of a half shaft, the lower end of the half shaft is rotatably connected to the bottom inner wall of a water tank (7) via a sealing bearing, an annular frame (23) is fixedly connected to the shaft wall of the half shaft, a plurality of rectangular holes are provided on the side wall of the annular frame (23), a bottom connecting plate of the annular frame (23), a protrusion (37) is provided on the side wall of the connecting plate, a plurality of flow ports are provided on the protrusion (37), a plurality of blades (36) are fixedly connected to the protrusion (37), and the plurality of blades (36) are cross-arranged with the plurality of flow ports.

8. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 1, characterized in that: A guide portion is provided at one end of the overflow pipe (6), a plurality of air inlet holes are provided on one side of the guide portion, a rectangular tube (17) is fixedly connected to one end of the guide portion, the rectangular tube (17) is located in the water tank (7), and the upper end of the rectangular tube (17) is higher than the upper end of the overflow pipe (6).

9. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 1, characterized in that: Two corrugated plates (39) are fixedly connected in the overflow pipe (6), a first flow disturbance channel is formed between the two corrugated plates (39), a plurality of flow diversion blocks are fixedly connected in the overflow pipe (6), the plurality of flow diversion blocks are all located in the first flow disturbance channel, a second flow disturbance channel is formed between the corrugated plates (39) and the pipe wall of the overflow pipe (6), and convex blocks (38) are fixedly connected to the inner walls on both sides of the overflow pipe (6), and the convex blocks (38) are located in the second flow disturbance channel.

10. The high-efficiency dosing coagulation device for an integrated domestic sewage treatment machine according to claim 1, characterized in that: The upper ends of the plurality of conduits (18) are each provided with a bending portion, the lower ends of the conduits (18) pass through the medicine box (1) and are connected to the gas distribution hood (10), and a feed pipe is fixedly connected to one side of the medicine box (1).

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