CN116116054A - Sand settling equipment and method for sewage treatment of winch structure - Google Patents

Abstract

The invention relates to the technical field of sand settling devices, in particular to sand settling equipment and a sand settling method for sewage treatment of a winch structure, comprising a box body, wherein a sand settling plate and a flashboard are arranged in the box body; the sand settling plate is in sliding fit with the box body and is positioned at the bottom of the box body, the flashboard is rotatably arranged in the box body and is positioned above the sand settling plate, two flashboard groups which are symmetrically arranged are arranged in one group, at least two groups of flashboard groups are arranged in the box body, and a plurality of groups of flashboard groups are distributed in a matrix; the box body is also provided with a winch driving device for driving the sand settling plate, the winch driving device comprises a limit guide rail, a winch structure and a rotary driving assembly, the limit guide rail is arranged at the bottom of the box body, and one side of the sand settling plate is in sliding fit with the limit guide rail; the winding structure is arranged on the box body and is in transmission connection with the sand setting plate, and the rotary driving assembly is used for driving the winding structure to rotate. The invention realizes the function of not influencing the bottom sediment sludge in the water pumping process, and solves the problem that the traditional sewage treatment sediment device can not completely isolate the water body and the sludge.

Description

Sand settling equipment and method for sewage treatment of winch structure

Technical Field

The invention relates to the technical field of sand settling devices, in particular to sand settling equipment and method for sewage treatment of a winch structure.

Background

Sewage treatment is a process for purifying sewage which is discharged into a certain water body or reused water quality requirement, and mainly comprises domestic sewage and some industrial wastewater. The method for treating suspended matters in sewage is mainly a sand settling process, the existing sand settling device needs to pump out water body after sludge is settled, then the sludge is removed, and in the water pumping process, part of sludge is driven to float from the bottom along with water flow, so that the sand settling effect is affected.

For this reason, chinese patent CN217854731U discloses a sewage treatment sediment device, it drives the roller through driving motor and rotates the rope and carry out automatic rolling, the top of rope is connected with the bottom of sieve through the go-between, thereby accessible rope pulling sieve moves downwards, make silt deposit in the bottom of sediment tank through the passageway of mounting panel, when sewage no longer gets into the inside of collecting hopper and sediment tank, driving motor drives the roller and releases the rope in the inside reverse rotation of casing, the sieve loses the pulling force of rope, can drive the sieve with the help of the elasticity of spring lever and reset, close the passageway of mounting panel inside again, the sieve can restrict silt and upwards float, follow water upward movement influence device sedimentation efficiency when pumping.

However, although the sediment is limited to float upwards through the sieve plate, part of the sludge still sinks above the sieve plate and floats along with water flow in the water pumping process, so that the quality of the sediment is affected.

Disclosure of Invention

Aiming at the problems, the sand settling equipment and the sand settling method for sewage treatment with the winch structure solve the problem that the traditional sand settling device for sewage treatment cannot completely isolate water and sludge by the sand settling plate, the flashboard, the limiting guide rail, the winch structure, the rotary driving assembly and the control device.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

a sand settling device for sewage treatment with a winch structure comprises a box body, wherein a sand settling plate and a flashboard are arranged in the box body; the sand settling plate is in sliding fit with the box body and is positioned at the bottom of the box body, the flashboard is rotatably arranged in the box body and is positioned above the sand settling plate, two flashboard groups which are symmetrically arranged are arranged in one group, at least two groups of flashboard groups are arranged in the box body, and a plurality of groups of flashboard groups are distributed in a matrix; the box body is also provided with a winch driving device for driving the sand settling plate, the winch driving device comprises a limit guide rail, a winch structure and a rotary driving assembly, the limit guide rail is arranged at the bottom of the box body, and one side of the sand settling plate is in sliding fit with the limit guide rail; the winding structure is arranged on the box body and is in transmission connection with the sand setting plate, and the rotary driving assembly is used for driving the winding structure to rotate.

Preferably, the hoisting structure comprises a main shaft, a sleeve and a steel wire rope; the main shaft is rotatably arranged on the box body and positioned on the outer wall of the box body, the driving end of the rotary driving assembly is in transmission connection with the main shaft, and the sleeve is sleeved on the main shaft; the steel wire rope is sleeved on the sleeve and passes through the bottom end of the sand setting plate to be fixed at one side of the box body far away from the main shaft.

Preferably, the control device comprises a hinge seat, a support arm and a connecting plate; the articulated seat is installed on the flashboard, and the one end and the articulated seat of support arm are articulated, and the other end and the connecting plate fixed connection of support arm, magnetic plate are installed to the bottom of connecting plate.

Preferably, the sand setting device further comprises a sensing device, and the sensing device further comprises a supporting plate, a first elastic piece and a contact sensor; the support plate is slidably arranged on the sand settling plate, and two ends of the first elastic piece are respectively connected with the support plate and the sand settling plate; the contact sensor is mounted on the sand setting plate.

Preferably, a chute is formed in the sand settling plate, two ends of the chute are respectively provided with a guide wheel, the steel wire rope is arranged in the chute through the two guide wheels, and a cover plate for shielding the chute is further arranged on the sand settling plate.

Preferably, the flashboard is provided with a mud removing groove.

Preferably, the rotary drive assembly comprises a rotary drive, a worm and a worm wheel; the rotary driver is arranged on the box body and is positioned outside the box body; the worm is rotatably arranged on the box body, the worm is in transmission connection with the driving end of the rotary driver, the worm wheel is fixedly sleeved on the main shaft, and the worm is in transmission connection with the worm wheel.

Preferably, the winch driving device further comprises a cleaning assembly, wherein the cleaning assembly comprises a cleaning brush and a second elastic piece; the cleaning brush is slidably mounted on the box body, and two ends of the second elastic piece are respectively connected with the cleaning brush and the box body.

Preferably, the box body is provided with a water inlet pipe and a water outlet pipe, and a buffer cover for smoothing water flow is arranged at the joint of the water inlet pipe and the water outlet pipe and the inside of the box body.

A sand settling method for sewage treatment of a winch structure comprises the following steps: s1, pouring sewage into a box body; s2, standing until sludge is precipitated; s3, closing the flashboard and starting the rotary driving assembly; s4, opening the sand settling plate to discharge sludge; s5, pumping out the treated sewage.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the functions of not influencing the bottom sediment sludge in the water pumping process are realized through the sediment plate, the flashboard, the limiting guide rail, the winding structure, the rotary driving assembly and the control device, the effect of isolating the bottom sediment sludge from the water body and discharging the sludge at any time is achieved, and the problem that the traditional sewage treatment sediment device cannot completely isolate the water body and the sludge is solved.

2. The invention realizes the function of driving the sand settling plate through the main shaft, the sleeve and the steel wire rope, and achieves the effect of controlling the sand settling plate to move by utilizing the retraction and the extension of the steel wire rope.

3. According to the invention, the function of automatically controlling the opening and closing of the flashboard is realized through the hinged seat, the supporting arm and the connecting plate, the effect of automatically closing the flashboard when the sand settling plate descends is achieved, and the situation that a large amount of water body leaks when the sand settling plate is opened is avoided.

Drawings

FIG. 1 is a perspective view of a sand settling device for sewage treatment with a winch structure;

FIG. 2 is a perspective view of a winch driving device and a control device in a sand setting device for sewage treatment with a winch structure;

FIG. 3 is a perspective view showing a winding driving device and a control device in a sand setting device for sewage treatment with a winding structure when a sand setting plate is opened;

FIG. 4 is an enlarged partial schematic view at A in FIG. 3;

FIG. 5 is an enlarged partial schematic view at B in FIG. 3;

FIG. 6 is an enlarged partial schematic view at C in FIG. 3;

FIG. 7 is a partially enlarged schematic illustration of FIG. 3 at D;

FIG. 8 is a schematic exploded perspective view of an induction device in a sand setting apparatus for sewage treatment with a winding structure;

FIG. 9 is a perspective exploded view of a sand settling plate in a sand settling device for sewage treatment with a winding structure;

fig. 10 is a perspective view of a sand settling device for sewage treatment with a winding structure in a mud discharging process.

The reference numerals in the figures are:

1-a box body;

11-sand setting plate; 111-a chute; 112-guide wheels; 113-cover plate;

12-flashboard; 121-a mud removing groove;

13-a water inlet pipe;

14-a water outlet pipe;

15-a buffer cover;

2-a winch driving device;

21-a limit rail;

22-winding structure; 221-a main shaft; 222-a sleeve; 223-wire rope; 224-guide ring;

23-a rotary drive assembly; 231-a rotary drive; 232-worm; 233-a worm gear; 234-synchronous belt;

24-cleaning assembly; 241-cleaning brush; 242-a second elastic member;

3-a control device;

31-a hinging seat;

32-a support arm;

33-connecting plates; 331-magnetic plate;

4-a sensing device;

41-supporting plates;

42-a first elastic member;

43-contact sensor.

Description of the embodiments

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

Referring to fig. 1-3: the sand settling equipment for sewage treatment with a winch structure comprises a box body 1, wherein a sand settling plate 11 and a flashboard 12 are arranged in the box body 1; the sand settling plate 11 is in sliding fit with the box body 1 and is positioned at the bottom of the box body 1, the flashboard 12 is rotatably arranged in the box body 1 and is positioned above the sand settling plate 11, two flashboard 12 which are symmetrically arranged are in a group, at least two groups of flashboard 12 are arranged in the box body 1, and a plurality of groups of flashboard 12 are distributed in a matrix; the box body 1 is also provided with a winch driving device 2 for driving the sand settling plate 11, the winch driving device 2 comprises a limit guide rail 21, a winch structure 22 and a rotary driving assembly 23, the limit guide rail 21 is arranged at the bottom of the box body 1, and one side of the sand settling plate 11 is in sliding fit with the limit guide rail 21; the hoisting structure 22 is mounted on the box body 1 and is in transmission connection with the sand setting plate 11, and the rotation driving assembly 23 is used for driving the hoisting structure 22 to rotate.

According to the invention, the functions of not influencing the bottom sediment sludge in the water pumping process are realized through the sediment plate 11, the flashboard 12, the limiting guide rail 21, the hoisting structure 22, the rotary driving assembly 23 and the control device 3, the effect of isolating the bottom sediment sludge from the water body and discharging the sludge at any time is achieved, and the problem that the traditional sewage treatment sediment device cannot completely isolate the water body and the sludge is solved. The rotary driving assembly 23 and the control device 3 are electrically connected with the controller; the method comprises the steps that an operator firstly fills sewage into a box body 1 and then stands the sewage, so that sludge in the sewage is deposited on a sand settling plate 11, after one end of the deposition is time, the operator sends a signal to a control device 3 through a controller, the control device 3 drives a flashboard 12 to be unfolded, a plurality of groups of flashboard 12 are mutually matched after being unfolded to isolate the sludge from a water body, then the controller sends a signal to a rotary driving assembly 23, the rotary driving assembly 23 drives a hoisting structure 22 after receiving the signal, the hoisting structure 22 loosens the support of the sand settling plate 11, the sand settling plate 11 slides downwards under the influence of gravity, one end of the sand settling plate 11 is in sliding fit with a limit guide rail 21, the sand settling plate 11 stops moving when the sand settling plate moves to the lowest end of the limit guide rail 21, the other end of the sand settling plate 11 falls freely under the action of gravity, the sand settling plate 11 is inclined, the sludge on the sand settling plate 11 slides down under the action of gravity, the action of the water body is discharged, and the operator can pump the water body which is deposited in the box body 1 through a water pump, and the water pump is not shown in the figure; after the sludge is discharged, an operator sends a signal to the rotary driving assembly 23 through the controller, the rotary driving assembly 23 drives the hoisting structure 22 to rotate, and then the sand settling plate 11 is controlled to reset, then the flashboard 12 is opened through the control device 3, the flashboard 12 after being opened is in a vertical state, the projection area in the vertical direction is further reduced, the obstruction to sand settling is reduced, and the sand settling efficiency is further improved; through isolating the water body and the sludge and respectively processing, the water body and the sludge can be prevented from being mixed again in the water pumping process, and further the sand settling efficiency is improved.

Referring to fig. 3-5: the hoisting structure 22 comprises a main shaft 221, a sleeve 222 and a wire rope 223; the main shaft 221 is rotatably arranged on the box body 1 and positioned on the outer wall of the box body 1, the driving end of the rotary driving assembly 23 is in transmission connection with the main shaft 221, and the sleeve 222 is sleeved on the main shaft 221; the steel wire rope 223 is sleeved on the sleeve 222 and passes through the bottom end of the sand setting plate 11 to be fixed on the side of the box 1 far from the main shaft 221.

The box body 1 is also provided with a guide ring 224 for guiding the movement of the steel wire rope 223; the sleeve 222 and the steel wire rope 223 are provided with two, the two sleeves 222 are fixedly sleeved on the main shaft 221 and are respectively positioned at two sides of the main shaft 221, one end of the steel wire rope 223 is fixedly connected with the sleeve 222, the other end of the steel wire rope 223 is connected with one end of the box body 1 far away from the main shaft 221, the steel wire rope 223 penetrates through the bottom of the sand setting plate 11, and the two steel wire ropes 223 are respectively positioned at two sides of the sand setting plate 11.

The invention realizes the function of driving the sand setting plate 11 through the main shaft 221, the sleeve 222 and the steel wire rope 223, and achieves the effect of controlling the sand setting plate 11 to move by utilizing the retraction and the extension of the steel wire rope 223. After the bottom sand sediment is settled, an operator sends a signal to the control device 3 through the controller, the flashboard 12 is closed through the control device 3, then the main shaft 221 is driven to rotate through the rotary driving assembly 23, the steel wire rope 223 is continuously discharged, the sand sediment plate 11 can incline downwards under the action of gravity, when the sand sediment plate is inclined to a certain angle, the driving of the rotary driving assembly 23 is stopped, the sludge slides from the sand sediment plate 11 and waits for the sludge to slide down, after the sludge is discharged, the controller sends a signal to the rotary driving assembly 23, the rotary driving assembly 23 receives the signal and drives the main shaft 221 to rotate, the main shaft 221 drives the sleeve 222 to rotate, the steel wire rope 223 is wound on the sleeve 222, the sand sediment plate 11 is pulled through the steel wire rope 223, the flashboard 12 is opened again after the sand sediment plate 11 is reset, and sediment treatment is carried out again after water injection.

Referring to fig. 3 and 6: the control device 3 comprises a hinge seat 31, a support arm 32 and a connecting plate 33; the articulated seat 31 is installed on flashboard 12, and the one end and the articulated seat 31 of support arm 32 are articulated, and the other end and the connecting plate 33 fixed connection of support arm 32, magnetic plate 331 is installed to the bottom of connecting plate 33.

When the shutter 12 is opened and the sand settling plate 11 is not moved, the magnetic plate 331 abuts against the sand settling plate 11 and generates suction force to be adsorbed on the sand settling plate 11.

The invention realizes the function of automatically controlling the opening and closing of the flashboard 12 through the hinging seat 31, the supporting arm 32 and the connecting plate 33, achieves the effect of automatically closing the flashboard 12 when the sand settling plate 11 descends, and avoids the situation of large water leakage when the sand settling plate 11 is opened. When larger sludge is accumulated on the sand sediment plate 11, an operator sends a signal to the rotary driving assembly 23 through the controller, the rotary driving assembly 23 drives the main shaft 221 to rotate, the main shaft 221 drives the sleeve 222 to synchronously rotate, the coiled steel wire rope 223 is further discharged, the sand sediment plate 11 is lowered under the action of gravity, meanwhile, the connecting plate 33 is driven to move downwards under the action of the magnetic field of the magnetic plate 331, the connecting plate 33 pulls the hinged seat 31 through the supporting arm 32, the flashboard 12 is driven to be closed along with the continuous lowering of the sand sediment plate 11, the connecting plate 33 stops to be lowered after the flashboard 12 is completely closed, and at the moment, the pressure of a water body acts on the flashboard 12, so that the flashboard 12 is pressed down more tightly; after the sludge is discharged, the sand settling plate 11 is slowly reset by the driving of the rotary driving assembly 23, and along with the rising of the sand settling plate 11, the sand settling plate 11 contacts with the connecting plate 33, then the connecting plate 33 is extruded, the sand settling plate is driven to rise, and the flashboard 12 is opened.

Referring to fig. 2 and 8: the sand setting device further comprises a sensing device 4, the sensing device 4 further comprising a support plate 41, a first elastic member 42 and a contact sensor 43; the supporting plate 41 is slidably mounted on the sand setting plate 11, and two ends of the first elastic piece 42 are respectively connected with the supporting plate 41 and the sand setting plate 11; the contact sensor 43 is mounted on the sand setting plate 11.

The invention realizes the function of automatically sensing the sewage quality in the tank body 1 through the supporting plate 41, the first elastic piece 42 and the contact sensor 43, and achieves the effect of detecting the sewage quality. Because the volume of the box body 1 is fixed, after a certain amount of sewage is injected into the box body, standing for a period of time is carried out, after the sediment is deposited, the sediment plate 11 is controlled to be opened by the winch driving device 2, the sludge deposited at the bottom is discharged, after the sediment is discharged, the sediment plate 11 is reset, meanwhile, the flashboard 12 is opened by the connecting plate 33 and the supporting arm 32, at the moment, the supporting plate 41 is contacted with the pressure of the water again, the weight of the water is detected, and after the sediment content of the water is reduced to a specified value, the supporting plate 41 is not contacted with the contact sensor 43; if the sand content of the water body is still too high, the first elastic piece 42 contracts under the action of water pressure, the supporting plate 41 is abutted on the contact sensor 43, the contact sensor 43 feeds back a signal to the controller, and the controller is kept still for sand settlement again.

Referring to fig. 1 and 9: the sand settling plate 11 is provided with a chute 111, two ends of the chute 111 are respectively provided with a guide wheel 112, a steel wire rope 223 is arranged in the chute 111 through the two guide wheels 112, and the sand settling plate 11 is also provided with a cover plate 113 for shielding the chute 111.

The invention realizes the function of guiding the movement of the steel wire rope 223 through the chute 111, the guide wheel 112 and the cover plate 113. In order to avoid severe friction between the steel wire ropes 223 and the sand settling plate 11, a guide wheel 112 for guiding the steel wire ropes 223 to move is arranged on the sand settling plate 11, a chute 111 for accommodating the steel wire ropes 223 is formed at the guide wheel 112, then the guide wheel 112 is protected through a cover plate 113, the opening and closing stability of the sand settling plate 11 is further improved, unnecessary bending of the steel wire ropes 223 is avoided, the service life of the steel wire ropes 223 is prolonged, and meanwhile, the control capability of the steel wire ropes 223 on the sand settling plate 11 is improved, so that the sand settling plate 11 can be stressed stably.

Referring to fig. 3 and 6: the flashboard 12 is provided with a mud removing groove 121.

At least two mud removing grooves 121 are provided, and a plurality of mud removing grooves 121 are distributed at equal intervals with respect to the longitudinal direction of the shutter 12.

Because the flashboard 12 still has partial sludge to sink on in the water body when in the unfolding state, and when the flashboard 12 is folded, the sludge accumulated on the flashboard 12 can cause obstruction to the folding of the flashboard 12, therefore, the flashboard 12 is provided with the mud-removing grooves 121, the mud-removing grooves 121 of the two flashboard 12 are mutually matched with each other along with the unfolding of the flashboard 12 in the folding process of the flashboard 12 to form a passage for the sludge to pass through, when the flashboard 12 is folded, the sludge accumulated on the flashboard 12 slides from the mud-removing grooves 121 to the sand-settling plate 11 through extrusion, and the greater the density of the mud-removing grooves 121, the better the sand-removing effect of the flashboard 12 is, and the influence of polluted mud can be avoided when the flashboard 12 is folded.

Referring to fig. 1-4: the rotary drive assembly 23 includes a rotary drive 231, a worm 232, and a worm wheel 233; the rotation driver 231 is installed on the case 1 and is located outside the case 1; the worm 232 is rotatably installed on the case 1, the worm 232 is in transmission connection with the driving end of the rotary driver 231, the worm wheel 233 is fixedly sleeved on the main shaft 221, and the worm 232 is in transmission connection with the worm wheel 233.

The driving end of the rotary driver 231 is connected to the worm 232 via a timing belt 234.

The invention realizes the function of driving the sleeve 222 to rotate through the rotary driver 231, the worm 232, the worm wheel 233 and the synchronous belt 234. The rotary driver 231 is preferably a servo motor, and the servo motor is electrically connected with the controller; when the sand setting plate 11 is driven to move, the controller sends a signal to the rotary driver 231, and the rotary driver 231 receives the signal and then drives the worm 232 to rotate through the synchronous belt 234, the worm 232 drives the worm wheel 233 in transmission connection with the worm 232 to rotate, and the worm wheel 233 drives the main shaft 221 to rotate, so that the sleeve 222 is driven to rotate.

Referring to fig. 1, 2, 3 and 7: the hoisting driving device 2 further comprises a cleaning assembly 24, the cleaning assembly 24 comprising a cleaning brush 241 and a second elastic member 242; the cleaning brush 241 is slidably mounted on the casing 1, and both ends of the second elastic member 242 are respectively connected to the cleaning brush 241 and the casing 1.

The present invention realizes the function of cleaning the wire rope 223 by the cleaning brush 241 and the second elastic member 242. The cleaning brush 241 is made of a flexible material, and since the sand settling plate 11 needs to be supported by the wire ropes 223, when the sand settling plate 11 is inclined, a part of sludge accumulated thereon is adhered to the wire ropes 223, and for this purpose, the cleaning brush 241 and the second elastic member 242 are designed; after the sludge is dumped, an operator sends a signal to the rotary driving assembly 23 through the controller, the rotary driving assembly 23 receives the signal and then drives the main shaft 221 to rotate, the steel wire rope 223 starts to be bundled, the cleaning brush 241 is abutted against the steel wire rope 223 under the elastic action of the second elastic piece 242, and the steel wire rope 223 rubs with the cleaning brush 241 while being bundled, so that sundries on the steel wire rope 223 are brushed down through the cleaning brush 241.

Referring to fig. 1 and 10: the box body 1 is provided with a water inlet pipe 13 and a water outlet pipe 14, and the joint of the water inlet pipe 13 and the water outlet pipe 14 and the interior of the box body 1 is provided with a buffer cover 15 for smoothing water flow.

The invention realizes the function of gentle water flow through the water inlet pipe 13, the water outlet pipe 14 and the buffer cover 15, and achieves the effect of avoiding the impact of water flow in the box body 1 from influencing the sand settling efficiency; when the water flow impact in the box body 1 is strong, the sludge can be stirred up again under the water flow impact, and therefore, the buffer cover 15 is arranged, the water flow is thinned through the buffer cover 15, and the water flow impact is slowed down.

Referring to fig. 1-10: a sand settling method for sewage treatment of a winch structure comprises the following steps: s1, pouring sewage into a box body 1; s2, standing until sludge is precipitated; s3, closing the flashboard 12 and starting the rotary driving assembly 23; s4, opening the sand settling plate 11 to discharge sludge; s5, pumping out the treated sewage.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The sand settling equipment for sewage treatment with the winch structure is characterized by comprising a box body (1), wherein a sand settling plate (11) and a flashboard (12) are arranged in the box body (1);

the sand settling plate (11) is in sliding fit with the box body (1) and is positioned at the bottom of the box body (1), the flashboard (12) is rotatably arranged in the box body (1) and is positioned above the sand settling plate (11), two flashboard (12) which are symmetrically arranged are in one group, at least two groups of flashboard (12) are arranged in the box body (1), and the multiple groups of flashboard (12) are distributed in a matrix;

the box body (1) is also provided with a winch driving device (2) for driving the sand settling plate (11), the winch driving device (2) comprises a limit guide rail (21), a winch structure (22) and a rotary driving assembly (23), the limit guide rail (21) is arranged at the bottom of the box body (1), and one side of the sand settling plate (11) is in sliding fit with the limit guide rail (21);

the hoisting structure (22) is arranged on the box body (1) and is in transmission connection with the sand setting plate (11), and the rotary driving assembly (23) is used for driving the hoisting structure (22) to rotate.

2. A sand settling device for sewage treatment of a hoisting structure according to claim 1, characterized in that the hoisting structure (22) comprises a main shaft (221), a sleeve (222) and a wire rope (223);

the main shaft (221) is rotatably arranged on the box body (1) and positioned on the outer wall of the box body (1), the driving end of the rotary driving assembly (23) is in transmission connection with the main shaft (221), and the sleeve (222) is sleeved on the main shaft (221);

the steel wire rope (223) is sleeved on the sleeve (222) and passes through the bottom end of the sand setting plate (11) to be fixed on one side of the box body (1) far away from the main shaft (221).

3. A sand settling device for sewage treatment with a winding structure according to claim 1 or 2, characterized in that the control means (3) comprises a hinging seat (31), a supporting arm (32) and a connecting plate (33);

the hinge seat (31) is arranged on the flashboard (12), one end of the supporting arm (32) is hinged with the hinge seat (31), the other end of the supporting arm (32) is fixedly connected with the connecting plate (33), and the bottom end of the connecting plate (33) is provided with the magnetic plate (331).

4. A sand settling device for sewage treatment with a hoisting structure according to claim 3, characterized in that the sand settling device further comprises a sensing means (4), the sensing means (4) further comprising a support plate (41), a first elastic member (42) and a contact sensor (43);

the support plate (41) is slidably arranged on the sand sediment plate (11), and two ends of the first elastic piece (42) are respectively connected with the support plate (41) and the sand sediment plate (11);

a contact sensor (43) is mounted on the sand sediment plate (11).

5. The sand settling device for sewage treatment with a hoisting structure according to claim 2, characterized in that a chute (111) is formed in the sand settling plate (11), two guide wheels (112) are respectively arranged at two ends of the chute (111), a steel wire rope (223) is arranged in the chute (111) through the two guide wheels (112), and a cover plate (113) for shielding the chute (111) is further arranged on the sand settling plate (11).

6. The sand settling device for sewage treatment with a winding structure according to claim 1, wherein the flashboard (12) is provided with a mud removing groove (121).

7. A sand settling device for sewage treatment with a hoisting structure according to claim 1, characterized in that the rotary drive assembly (23) comprises a rotary drive (231), a worm (232) and a worm wheel (233);

the rotary driver (231) is arranged on the box body (1) and is positioned outside the box body (1);

the worm (232) is rotatably arranged on the box body (1), the worm (232) is in transmission connection with the driving end of the rotary driver (231), the worm wheel (233) is fixedly sleeved on the main shaft (221), and the worm (232) is in transmission connection with the worm wheel (233).

8. A sand settling device for sewage treatment with a hoisting structure according to claim 7, characterized in that the hoisting driving means (2) further comprises a cleaning assembly (24), the cleaning assembly (24) comprising a cleaning brush (241) and a second elastic member (242);

the cleaning brush (241) is slidably mounted on the box body (1), and two ends of the second elastic piece (242) are respectively connected with the cleaning brush (241) and the box body (1).

9. The sand settling device for sewage treatment with the winding structure according to claim 1, characterized in that a water inlet pipe (13) and a water outlet pipe (14) are arranged on the box body (1), and a buffer cover (15) for smoothing water flow is arranged at the connection part of the water inlet pipe (13) and the water outlet pipe (14) and the interior of the box body (1).

10. A sand settling method for sewage treatment of a winding structure, employing a sand settling device for sewage treatment of a winding structure as set forth in any one of claims 1 to 9, characterized by comprising the steps of:

s1, pouring sewage into a box body (1);

s2, standing until sludge is precipitated;

s3, closing the flashboard (12), and starting the rotary driving assembly (23);

s4, opening a sand settling plate (11) to discharge sludge;

s5, pumping out the treated sewage.

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