A sewage treatment device for environmental engineering

Abstract

The present application belongs to sewage treatment technical field, especially to a kind of sewage treatment device for environmental engineering, including box, sequentially set with dosing mechanism, stirring mechanism and drainage mechanism from top to bottom in box;Dosing mechanism includes hopper being set in the middle of the top end of box, the discharge end of hopper is provided with guide mouth, the lower portion of guide mouth is rotatably connected with material spoon body, the spoon handle of material spoon body penetrates the side wall of hopper and is connected with one end of reset spring, the other end of reset spring is connected on the outer wall of box, the bottom of material spoon body is connected with reset pivot on one side, reset pivot is connected with material spoon bottom, the opposite end of reset pivot, the bottom end of material spoon body is embedded with permanent magnet, the opposite poles of two permanent magnets are opposite, material spoon body is used to collect flocculating agent that is put through guide mouth, material spoon body is provided with air blowing assembly for flocculating agent spreading, water inlet pipe is provided on box.The present application can realize quantitative addition flocculating agent, reduce waste.

Description

Technical Field

[0001] The present invention belongs to the technical field of sewage treatment, and in particular relates to a sewage treatment device for environmental engineering. Background Art

[0002] In the prior art, sewage is usually treated using flocculants. Flocculants can aggregate small particles and natural colloids in water into large flocs. However, flocculants are often added to the sedimentation tank in one go. Excessive addition of flocculants will result in waste, and concentrated addition will affect the effect of the flocculants. Therefore, it is necessary to provide a sewage treatment device for environmental engineering to solve the above technical problems. Summary of the Invention

[0003] The purpose of the present invention is to provide a sewage treatment device for environmental engineering to solve the problems existing in the above-mentioned prior art.

[0004] To achieve the above-mentioned objectives, the present invention provides a sewage treatment device for environmental engineering, comprising a box body, wherein a dosing mechanism, a stirring mechanism and a drainage mechanism are sequentially arranged in the box body from top to bottom; the dosing mechanism comprises a hopper arranged in the middle of the top end of the box body, a material guide nozzle is provided at the discharge end of the hopper, a material scoop body is rotatably connected below the material guide nozzle, a scoop handle of the material scoop body passes through the side wall of the hopper and is connected to one end of a return spring, the other end of the return spring is connected to the outer wall of the box body, a reset shaft is connected to one side of the bottom of the material scoop body, the opposite ends of the material scoop bottom and the reset shaft and the bottom end of the material scoop body are embedded with permanent magnets, the opposite poles of the two permanent magnets are opposite, the material scoop body is used to collect flocculant fed through the material guide nozzle, the material scoop body is provided with a blowing assembly for spreading the flocculant, and a water inlet pipe is provided on the box body.

[0005] Optimized, the blowing assembly includes an annular blowing plate fixedly connected to the inner wall of the hopper, the bottom surface of the annular blowing plate is connected to a plurality of blowing nozzles, the blowing nozzles are arranged corresponding to the material spoon body, the annular blowing plate is connected to an air pump, and a limit switch is provided above the spoon handle of the material spoon body, and the limit switch is electrically connected to the air pump.

[0006] Optimized, the stirring mechanism includes two rotating shafts horizontally connected to the opposite side walls of the box body, each of the rotating shafts is connected to a pulley, the two pulleys are matched through a belt transmission, one of the rotating shafts is matched with a driving member, and the two rotating shafts are connected to a plurality of connecting rods, and the ends of the connecting rods are connected to stirring blades.

[0007] Optimally, the driving member includes a motor, the output shaft of the motor is connected to a pulley three, the rotating shaft one is connected to a pulley two, and the pulley two and the pulley three are coupled through a belt two transmission.

[0008] Optimally, the drainage mechanism includes a filter cartridge fixedly connected to the inner wall of the box, the middle of the filter cartridge is connected to one end of a drainage pipe, the other end of the drainage pipe passes through the side wall of the box and is provided with a valve, and a cleaning assembly is provided on the outer wall of the filter cartridge.

[0009] Optimized, the cleaning assembly includes a swivel rotatably connected to the inner wall of the box, the swivel is coaxially sleeved on the filter cartridge, a brush plate is horizontally connected to the swivel, the brush plate is an L-shaped structure, bristles are provided on the brush plate, the bristles are in frictional contact with the filter cartridge, and a drive assembly is provided on the brush plate for driving the brush plate to rotate around the axis of the filter cartridge.

[0010] Optimized, the drive assembly includes an annular gear disk fixedly mounted on the brush plate, the annular gear disk is coaxially arranged with the rotating ring, the box body is rotatably connected to a rotating shaft 2, one end of the rotating shaft 2 is connected to a gear, the gear is engaged with the annular gear disk, the other end of the rotating shaft 2 is connected to a pulley 5, the output shaft of the motor is connected to a pulley 4, and the pulley 4 and the pulley 5 are matched through a belt 3 transmission.

[0011] Optimally, a discharge pipe is provided in the middle of the bottom end of the box body, and a control valve is provided on the discharge pipe.

[0012] Compared with the prior art, the present invention has the following advantages and technical effects:

[0013] The present invention provides a sewage treatment device for environmental engineering. Flocculant powder is added through a hopper and dropped onto a scoop body through a guide nozzle. As the weight of the flocculant powder collected in the scoop body increases, the scoop body gradually rotates downward against the pulling force of a reset spring until the gravity of the flocculant powder in the scoop body forces the permanent magnet on the bottom of the scoop to separate and the scoop bottom rotates. At this time, the flocculant powder in the scoop body is scattered in the box. The diffusion of the flocculant powder is accelerated by an air blowing component, and the sewage is stirred by a stirring mechanism to accelerate the flocculation of the sewage. The treated water is discharged through a drainage mechanism.

[0014] The present invention can control the frequency and weight of flocculant addition, realize intermittent addition while stirring, reduce flocculant waste, and improve flocculation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work.

[0016] Figure 1 This is a schematic structural diagram of a sewage treatment device for environmental engineering proposed by the present invention;

[0017] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0018] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0019] Among them: 1. Box body; 2. Water inlet pipe; 3. Hopper; 4. Feed guide nozzle; 5. Positioning rod; 6. Feed scoop body; 7. Feed scoop bottom; 8. Permanent magnet; 9. Reset shaft; 10. Annular blow disc; 11. Blow nozzle; 12. Reset spring; 13. Travel switch; 14. Air pump; 15. Shaft 1; 16. Pulley 1; 17. Belt 1; 18. Pulley 2; 19. Motor; 20. Pulley 3; 21. Belt 2; 22. Connecting rod; 23. Stirring blade; 24. Pulley 4; 25. Pulley 5; 26. Belt 3; 27. Drain pipe; 28. Valve; 29. ​​Swivel; 30. Filter cartridge; 31. Shaft 2; 32. Gear; 33. Annular gear disc; 34. Brush; 35. Brush plate; 36. Discharge pipe; 37. Control valve. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0021] 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.

[0022] Reference Figures 1 to 3As shown, the present application provides a sewage treatment device for environmental engineering, comprising a box body 1, which is sequentially provided with a dosing mechanism, a stirring mechanism and a drainage mechanism from top to bottom; the dosing mechanism comprises a hopper 3 arranged at the middle of the top end of the box body 1, a material guiding nozzle 4 arranged at the discharging end of the hopper 3, a material spoon body 6 rotatably connected below the material guiding nozzle 4, a spoon handle of the material spoon body 6 penetrating through the side wall of the hopper 3 and connected with one end of a return spring 12, the other end of the return spring 12 being connected to the outer wall of the box body 1, a return shaft 9 connected to one side of the bottom of the material spoon body 6, a material spoon bottom 7 connected to the return shaft 9, permanent magnets 8 embedded at the opposite end of the return shaft 9 and the bottom end of the material spoon body 6, the opposite poles of the permanent magnets 8 being opposite, the material spoon body 6 being used for collecting flocculants dropped through the material guiding nozzle 4, the material spoon body 6 being provided with a blowing assembly for spreading the flocculants, and the box body 1 being provided with a water inlet pipe 2.

[0023] In the present embodiment, the return shaft 9 is a prior art, which can ensure that the material spoon bottom 7 is attached to the bottom of the material spoon body 6 without external force, and the permanent magnets 8 are arranged to prevent gaps between the material spoon bottom 7 and the material spoon body 6; the positioning rod 5 is connected to the side wall at the bottom of the hopper 3, and the spoon handle of the material spoon body 6 is rotatably connected to the positioning rod 5.

[0024] The flocculant powder is added through the hopper 3 and dropped into the material spoon body 6 through the material guiding nozzle 4, as the weight of the flocculant powder collected in the material spoon body 6 increases, the material spoon body 6 gradually rotates downward against the pulling force of the return spring 12, until the gravity of the flocculant powder in the material spoon body 6 forces the permanent magnets 8 on the material spoon bottom 7 to separate, and the material spoon bottom 7 rotates, at this time the flocculant powder in the material spoon body 6 scatters in the box body 1, the blowing assembly is arranged to accelerate the diffusion of the flocculant powder, and the stirring mechanism is arranged to stir and accelerate the flocculation of the sewage, and the drainage mechanism is arranged to discharge the treated water.

[0025] Further, the blowing assembly comprises an annular blowing disc 10 fixedly connected to the inner wall of the hopper 3, the bottom surface of the annular blowing disc 10 is communicated with a plurality of blowing nozzles 11, the blowing nozzles 11 are correspondingly arranged with the material spoon body 6, the annular blowing disc 10 is communicated with a gas pump 14, a travel switch 13 is arranged above the spoon handle of the material spoon body 6, and the travel switch 13 is electrically connected with the gas pump 14.

[0026] When the spoon handle of the material spoon body 6 rotates upward, the travel switch 13 is touched, the gas pump 14 starts to operate and blows air to the scattered flocculant powder through the blowing nozzles 11, so as to accelerate the diffusion of the flocculant powder and make it diffuse in every corner of the box body 1, thereby improving the flocculation efficiency of the sewage.

[0027] Further, the stirring mechanism comprises two rotating shafts 15 horizontally and rotatably connected to opposite side walls of the box 1, each of the rotating shafts 15 is connected with a belt pulley 16, the two belt pulleys 16 are drivingly connected through a belt 17, a driving member is drivingly connected to one of the rotating shafts 15, a plurality of connecting rods 22 are connected to the rotating shafts 15, and ends of the connecting rods 22 are connected with stirring blades 23.

[0028] The rotating shaft 15 is driven to rotate by the driving member, the two belt pulleys 16 are driven to rotate through the belt 17, the other rotating shaft 15 is driven to rotate, and the stirring blades 23 are driven to stir the sewage, so that the sewage and the flocculating agent fully react.

[0029] Further, the driving member comprises a motor 19, an output shaft of the motor 19 is connected with a belt pulley 20, a belt pulley 18 is connected to one of the rotating shafts 15, and the belt pulley 18 and the belt pulley 20 are drivingly connected through a belt 21.

[0030] The belt pulley 20 is driven to rotate by the motor 19, and the belt pulley 20 drives the belt pulley 18 and the rotating shaft 15 to rotate through the belt 21.

[0031] Further, the drainage mechanism comprises a filter cylinder 30 fixedly connected to an inner wall of the box 1, one end of the filter cylinder 30 is connected with the drainage pipe 27, the other end of the drainage pipe 27 penetrates through the side wall of the box 1 and is provided with a valve 28, and a cleaning assembly is arranged on an outer wall of the filter cylinder 30.

[0032] The filter cylinder 30 is arranged to intercept flocculation, so that the flocculation is prevented from being discharged with the water, and the cleaning assembly is arranged to clean the flocculation on the outer wall of the filter cylinder 30, so that the drainage is ensured to be smooth.

[0033] Further, the cleaning assembly comprises a rotating ring 29 rotatably connected to an inner wall of the box 1, the rotating ring 29 is coaxially sleeved on the filter cylinder 30, a brush plate 35 is horizontally connected to the rotating ring 29, the brush plate 35 is of an L-shaped structure, brush hairs 34 are arranged on the brush plate 35, the brush hairs 34 are in frictional contact with the filter cylinder 30, and a driving assembly for driving the brush plate 35 to rotate around the axis of the filter cylinder 30 is arranged on the brush plate 35.

[0034] The driving assembly drives the brush plate 35 to rotate, so that the flocculation on the outer wall of the filter cylinder 30 is cleaned.

[0035] Further, the driving assembly comprises an annular toothed disc 33 fixedly sleeved on the brush plate 35, the annular toothed disc 33 is coaxially arranged on the rotating ring 29, a rotating shaft 31 is rotatably connected to the box 1, a gear 32 is connected to one end of the rotating shaft 31, the gear 32 is in meshing connection with the annular toothed disc 33, a belt pulley 25 is connected to the other end of the rotating shaft 31, a belt pulley 24 is connected to an output shaft of the motor 19, and the belt pulley 24 and the belt pulley 25 are drivingly connected through a belt 26.

[0036] The fourth belt pulley 24 is driven to rotate by the motor 19, and drives the fifth belt pulley 25 and the second rotating shaft 31 through the third belt 26, and the second rotating shaft 31 drives the gear 32 to rotate, and the gear 32 is engaged with the annular gear plate 33 to drive the brush plate 35 to rotate the rotating ring 29, and the filter cartridge 30 is cleaned in the circumferential direction by 360 degrees.

[0037] Further, in order to facilitate the discharge of flocculation, a discharge pipe 36 is arranged at the middle of the bottom end of the box 1, and the control valve 37 is arranged on the discharge pipe 36.

[0038] The working principle of the sewage treatment device for environmental engineering is as follows: sewage is added to the box 1 through the water inlet pipe 2, and when the sewage reaches the uppermost stirring blade 23, the sewage injection is stopped, the flocculant powder is added through the hopper 3, the flocculant powder is poured into the material scoop body 6 through the material guide nozzle 4, as the weight of the flocculant powder collected in the material scoop body 6 increases, the material scoop body 6 overcomes the tension of the reset spring 12 and gradually rotates downward, until the gravity of the flocculant powder in the material scoop body 6 causes the permanent magnet 8 on the material scoop bottom 7 to separate, the material scoop bottom 7 rotates, at this time, the flocculant powder in the material scoop body 6 falls in the box 1, and at the same time, the scoop handle of the material scoop body 6 triggers the travel switch 13, the air pump 14 starts to work and blows the scattered flocculant powder through the air blowing nozzle 11, accelerates the diffusion of the flocculant powder, makes it diffuse in every corner of the box 1, makes the flocculant powder fully contact with the sewage, at the same time, the motor 19 is started to drive the stirring mechanism to stir, further improves the uniform mixing of the flocculant powder and the sewage, after the flocculant in the material scoop body 6 is scattered, the material scoop bottom 7 is reset under the action of the reset rotating shaft 9, the two permanent magnets 8 attract each other, and the bottom of the material scoop body 6 is closed, the material scoop body 6 starts to reset under the action of the reset spring 12, the scoop handle of the material scoop body 6 is separated from the travel switch 13, and the air pump 14 stops working, when the collected flocculant in the material scoop body 6 reaches a certain amount, the above-mentioned operation is repeated, and the scattered flocculant is repeated, the control of the quantitative addition of the flocculant powder is realized, after the stirring is completed, the valve (not shown in the figure) on the material guide nozzle 4 is closed, and the addition of the flocculant is stopped, after the coagulation is completed, the valve 28 is opened to discharge the treated water, at the same time, the brush plate 35 driven by the motor 19 cleans the flocculation on the outer wall of the filter cartridge 30, to ensure smooth drainage.

[0039] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the present application.

[0040] The above merely provides the preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. Any modification or replacement within the technical scope disclosed by the present application should be covered within the protection scope of the present application.

Claims

1. A sewage treatment device for environmental engineering, characterized in that: The invention comprises a box body (1), wherein a dosing mechanism, a stirring mechanism and a drainage mechanism are sequentially arranged in the box body (1) from top to bottom; the dosing mechanism comprises a hopper (3) arranged in the middle of the top end of the box body (1), a material guide nozzle (4) is provided at the discharge end of the hopper (3), a material spoon body (6) is rotatably connected below the material guide nozzle (4), a handle of the material spoon body (6) passes through the side wall of the hopper (3) and is connected to one end of a return spring (12), and the other end of the return spring (12) is connected to the outer wall of the box body (1). One side of the bottom of the scoop body (6) is connected to a reset shaft (9), and the scoop bottom (7) is connected to the reset shaft (9). The opposite ends of the scoop bottom (7) and the reset shaft (9) and the bottom of the scoop body (6) are embedded with permanent magnets (8), and the opposite magnetic poles of the two permanent magnets (8) are opposite. The scoop body (6) is used to collect the flocculant delivered through the guide nozzle (4). The scoop body (6) is provided with a blowing assembly for diffusing the flocculant. The box body (1) is provided with a water inlet pipe (2); The stirring mechanism comprises two rotating shafts (15) connected to opposite side walls of the box (1) in a horizontal rotation manner, each of the two rotating shafts (15) being connected to a pulley (16), the two pulleys (16) being coupled via a belt (17), a driving member being coupled to the rotating shaft (15), a plurality of connecting rods (22) being connected to the two rotating shafts (15), and stirring blades (23) being connected to the ends of the connecting rods (22); The driving member includes a motor (19), the output shaft of the motor (19) is connected to a pulley three (20), the rotating shaft one (15) is connected to a pulley two (18), and the pulley two (18) and the pulley three (20) are driven by a belt two (21); The drainage mechanism comprises a filter cartridge (30) fixedly connected to the inner wall of the box body (1); the middle portion of the filter cartridge (30) is connected to one end of a drainage pipe (27); the other end of the drainage pipe (27) passes through the side wall of the box body (1) and is provided with a valve (28); and a cleaning assembly is provided on the outer wall of the filter cartridge (30); The cleaning assembly comprises a rotating ring (29) rotatably connected to the inner wall of the housing (1), the rotating ring (29) being coaxially sleeved on the filter cartridge (30), a brush plate (35) being horizontally connected to the rotating ring (29), the brush plate (35) being an L-shaped structure, bristles (34) being provided on the brush plate (35), the bristles (34) being in frictional contact with the filter cartridge (30), and a driving assembly for driving the brush plate (35) to rotate around the axis of the filter cartridge (30); The driving assembly includes an annular toothed disc (33) fixedly mounted on the brush plate (35), the annular toothed disc (33) and the rotating ring (29) are coaxially arranged, the housing (1) is rotatably connected to a second rotating shaft (31), one end of the second rotating shaft (31) is connected to a gear (32), the gear (32) is meshed with the annular toothed disc (33), the other end of the second rotating shaft (31) is connected to a pulley five (25), the output shaft of the motor (19) is connected to a pulley four (24), and the pulley four (24) and the pulley five (25) are driven by a belt three (26).

2. The sewage treatment device for environmental engineering according to claim 1, characterized in that: The blowing assembly comprises an annular blowing disc (10) fixedly connected to the inner wall of the hopper (3); the bottom surface of the annular blowing disc (10) is connected to a plurality of blowing nozzles (11); the blowing nozzles (11) are arranged corresponding to the material spoon body (6); the annular blowing disc (10) is connected to an air pump (14); a travel switch (13) is arranged above the spoon handle of the material spoon body (6); the travel switch (13) is electrically connected to the air pump (14).

3. The sewage treatment device for environmental engineering according to claim 1, characterized in that: A discharge pipe (36) is provided at the middle of the bottom end of the box body (1), and a control valve (37) is provided on the discharge pipe (36).

Images