CN114685027A

CN114685027A - Easily-detachable stacked spiral sludge dewatering machine and dewatering method thereof

Info

Publication number: CN114685027A
Application number: CN202210293807.3A
Authority: CN
Inventors: 陆明辉; 蒋卓霞; 蒋杰
Original assignee: Jiangsu Zhuoya Environmental Protection Co ltd
Current assignee: Jiangsu Zhuoya Environmental Protection Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-01

Abstract

The invention discloses an easily-detachable stacked spiral shell sludge dehydrator, which relates to the technical field of sludge dehydration, and particularly relates to an easily-detachable stacked spiral shell sludge dehydrator. This spiral shell sludge dewaterer of folding easy to detach and dehydration method, the rotation of driving gear makes then synchronous rotation with three driven gear of group that the driving gear meshed, three driven gear of group's rotation then drives three linkage puddler and rotates the stirring, because the contained angle of its three driven gear of group and linkage puddler equals, make the inside of mixing tank can be increaseed by the scope of stirring, make the inside central swirl that can not produce when mixing mud and flocculating agent of mixing tank, the stirring dynamics to the inside mixed liquid of mixing tank has been increaseed, the even degree and the speed of stirring between mud and flocculating agent have been improved.

Description

Easily-detachable stacked spiral sludge dewatering machine and dewatering method thereof

Technical Field

The invention relates to the technical field of sludge dewatering, in particular to an easily-detachable stacked spiral sludge dewatering machine and a dewatering method thereof.

Background

Sludge dewaterer is a continuous operation's sludge treatment equipment, because of the lower work operation of play mud moisture content is stable, have that the power consumption is little, control management is simple relatively, easy maintenance characteristics such as, receive masses to like, various mud have certain difference to the adaptation of hydroextractor, and domestic sludge dewaterer's model commonly used has: centrifugal, filter belt type, the leading formula of spiral ring and plate frame type, the dehydration of sediment mud, the selection of flocculating agent and ratio operation are very crucial, and flocculation effect is good, and the dehydration of mud is relative smooth, and it is just one kind among the above spiral ring butterfly sludge dewaterer to fold spiral sludge dewaterer.

Most of the spiral sludge dewatering machines in the market at present adopt a filtering main body formed by mutually overlapping a fixed ring and a movable ring, and a spiral shaft penetrates through the filtering main body. The full dehydration is realized by gravity concentration and internal pressure effect formed by a back pressure plate in the propulsion process of sludge, filtrate is discharged from a filter seam formed by a fixed ring and a movable ring, mud cakes are discharged from the tail end of a dehydration part, the sludge and a flocculating agent are synchronously put into a mixing tank for mixing and stirring by a stirrer before dehydration in the mode of the dehydrator, most of the stirrers stir by blades, although the contact area of the blades and the sludge is large, the resistance is also large, when stirring, the sludge and the flocculating agent can be stirred and mixed by a high-power motor, particularly, the blades can form a vortex in the middle of the mixing tank when rotating, the sludge at the edge of the vortex is difficult to be quickly mixed with the flocculating agent, when the use is stopped, the spiral shaft of the dehydrator needs to be cleaned, and the filter seam blockage and odor generation caused by the sludge are avoided, however, most of the dewatering machines are connected with clean water from an external water pipe to clean the spiral shaft, and the external water consumption increases the water consumption of clean water, so that the meaning of actually dewatering and taking water by the device is reduced, and therefore the easily-detachable stacked spiral sludge dewatering machine and the dewatering method thereof are provided.

Disclosure of Invention

The invention solves the technical problems of accelerating the mixing speed of the sludge and the flocculating agent in the mixing tank, fully stirring the sludge at the edge of a central vortex in the mixing tank, and simultaneously flushing and secondarily compressing the compression part by using the extracted water to enhance the sludge dewatering effect.

The technical scheme of the invention is as follows: an easily-detachable stacked spiral sludge dewatering machine comprises a mixing tank, wherein a servo motor is arranged at the top of the mixing tank, the right end of the mixing tank is fixedly connected with a flocculating agent box, the inside of the flocculating agent box is used for quickly discharging external flocculating agent into the mixing tank, the speed of the device for mixing sludge and flocculating agent is improved, the interior of the mixing tank is fixedly connected with a top plate, the left end of the mixing tank is fixedly connected with a connecting pipe, the left end of the connecting pipe is fixedly connected with a water collecting tank, the left end outside the water collecting tank is fixedly connected with a motor, a filter pipe is fixedly sleeved outside the output shaft of the motor, a water suction pump is installed at the bottom of the water collecting tank, the left end fixedly connected with of header tank connects the water pipe, the left end fixedly connected with secondary compression case of connecting the water pipe, the inside fixedly connected with of secondary compression case is spacing.

Optionally, the water leakage groove has been seted up on the right side of mixing tank, and the water leakage groove has ensured that the inside that the flocculating agent need not external power can discharge into the mixing tank mixes, has improved the convenience of this device, and the water leakage groove is located the inside of flocculating agent case, the front of mixing tank is equipped with external pipeline, the bottom of flocculating agent case is equipped with the butt joint pipeline.

Optionally, servo motor's output shaft passes the roof, passes the servo motor of roof, has ensured that the driving gear can keep engaging at same level with three driven gear of group, has improved the mechanical linkage nature of this device, the fixed driving gear that has cup jointed in the outside of servo motor output shaft bottom, the bottom of roof is rotated and is cup jointed driven gear, driven gear is total three groups, and the contained angle is the same, three groups driven gear meshes with the driving gear respectively.

It is optional, three groups driven gear's bottom fixedly connected with linkage puddler, three groups mutual contactless between the stirring leaf of linkage puddler, the linkage puddler that does not contact each other has ensured that it can carry out wider stirring to mixed liquid in the inside of mixing tank, has improved the speed that this device preparation mixed liquid.

Optionally, the inner wall fixedly connected with bottom plate of header tank, the effect of interception and retaining has been played to the bottom plate, has avoided the drainage to influence the function of suction pump, the suction pump is located the bottom of bottom plate.

Optionally, one side fixedly connected with raceway of suction pump, suction pump are as prior art, and it has played the inside of gathering the water of drawing that bottom plate top was built up and is used for the rapid pump to go into the nozzle, carry out the recycling that washes, have improved the feature of environmental protection of this device, the raceway passes the outer wall of header tank, one side fixedly connected with on raceway top is to the pipe, the internally mounted who is to the pipe has the nozzle, and the nozzle communicates with each other with the raceway.

Optionally, the inside sliding clamp of the limiting frame is connected with a lifting plate, the lifting plate plays a role in once lifting the accumulated sludge inside the limiting frame after the sludge cannot be compressed, the effect of cleaning the sludge by the device is improved, the top sliding clamp of the limiting frame is connected with a pressing plate, one side of the pressing plate is fixedly connected with a linkage plate, and a hydraulic machine is installed at one end of the linkage plate.

Optionally, the hydraulic press is located the below of motor, and the hydraulic press has played the effect of carrying out the secondary with the mud that spacing frame top was collected as prior art, has improved the dehydration effect of this device, and its type is Y-HG1-E70, the clamp plate slides and cup joints the outside at the lift-draw board, the inside drainage hole that is equipped with of the vertical edition of lift-draw board.

A dehydration method of a stacked spiral sludge dehydrator easy to disassemble comprises the following steps:

s1, when sludge needs to be dewatered, firstly, external sludge is connected into the mixing tank through an external pipeline on the front side of the mixing tank, then the flocculating agent is connected into the flocculating agent box through a butt joint pipeline at the bottom of the flocculating agent box and passes through the height difference between the water leakage tank and the mixing tank, after the flocculating agent enters the mixing tank, the servo motor is started, the driving gear is driven to rotate by the servo motor, the three groups of driven gears meshed with the driving gear are synchronously rotated by the rotation of the driving gear, the three groups of driven gears are linked to the three groups of linkage stirring rods to rotate by synchronous rotation of the three groups of driven gears, and then the three groups of linkage stirring rods are used for quickly stirring the mixed liquid of the sludge and the flocculating agent in the mixing tank, through the stirring that the same linkage puddler of three contained angles of group goes on for the inside mixed liquid that is located the corner of mixing tank can be abundant stir.

S2, the mixed liquid after stirring enters the interior of the filter tube through the connecting tube by the height difference, then the motor is started, the motor drives the spiral shaft in the filter tube to rotate, so that the mixed liquid is compressed in the filter tube, and then the water in the mixed liquid is filtered from the outer wall of the filter tube, in the process of rotating the screw shaft, the sludge which is compressed and squeezed to be dry is discharged through a mudguard arranged on the outer wall of the water collecting tank, and the water of squeezing out then falls into the top of bottom plate, when this device pauses the sludge dewatering, then starts the suction pump, with the inside of suction pump and pump income raceway of bottom plate top water pump of gathering, later with water through the nozzle outwards spout, the rivers that the nozzle sprayed form the impact to the inside of chimney filter, played the effect of clearing up the inside of chimney filter then, the rivers after the cleanness is accomplished then continue to fall into the top of bottom plate through the outer wall of chimney filter.

S3, when the sludge after the preliminary dehydration needs to be cleaned, the sludge discharged by the mud guard outside the filter tube falls into the top of the limit frame, then the hydraulic press is started, the linkage plate is pushed by the hydraulic press to push the sludge at the top of the limit frame to the inside of the limit frame, in the process of pushing the pressing plate, the pressing plate penetrates through the lifting plate and the transverse shaft of the lifting plate is sleeved in the pressing plate, then the pressing plate is continuously pushed and pressure-fed, after the sludge is concentrated in the limiting frame, the sludge is secondarily compressed through the matching of the pressing plate and the inner wall of the secondary compression box, the liquid in the sludge flows into the top of the bottom plate in the water collecting tank through the connecting water pipe, when the inside of the limiting frame is fully pressed with the sludge, the pressing plate is withdrawn outwards, then, an operator pulls out the sludge which is formed by compression from the inner part of the limit frame through the transverse shaft at the left end of the pulling plate and processes the sludge.

The beneficial effects of the invention are:

1. this quick detachable spiral shell sludge dewaterer that folds and dehydration method, the driven gear who cup joints is rotated through servo motor and the roof bottom of installing at the mixing tank top, it rotates in step to drive the driving gear after servo motor starts, the rotation of driving gear makes then rotate in step with three driven gear of group that the driving gear meshed, three driven gear's of group rotation then drives three linkage puddler and rotates the stirring, because the contained angle of its three driven gear of group and linkage puddler equals, make the inside of mixing tank can be increaseed by the scope of stirring, make the mixing tank inside can not produce central swirl when mixing mud and flocculating agent, the stirring dynamics to the inside mixed liquid of mixing tank has been increaseed, the even degree and the speed of stirring between mud and flocculating agent have been improved.

2. This easily detachable fold spiral shell sludge dewaterer and dehydration method, through the suction pump at the bottom fixed connection of bottom plate, when this device needs to wash the filter tube inside, start the inside of rivers suction pump and pump income raceway to the inside of suction pump that the suction pump made up the bottom plate top, then rivers enter into the inside of nozzle through the raceway, wash the inside of filter tube through the nozzle, outside water has been avoided from this, but the water that draws from mud is directly used, and wash the intention of filter tube and wash away the inside silt of filter tube and avoid assembling so, only use and draw water and can reach the renewed effect, the waste to the water resource has been avoided, the environmental protection effect of this device has been improved.

3. The easily detachable spiral sludge dewatering machine and the dewatering method thereof have the advantages that through the secondary compression box fixedly connected with one end of the connecting water pipe, when mud cakes are discharged from the inside of the filter pipe and fall into the top of the limiting frame, then the hydraulic press is started, the pressing plate is pushed to the inside of the limiting frame through the starting linkage plate of the hydraulic press, the pressing plate is clamped with the transverse shaft of the lifting plate in the pushing process, the mud cakes are pushed into the inside of the limiting frame, when the mud cakes are pushed to the deep part of the limiting frame and cannot be pushed, the mud cakes can be secondarily compressed through the pressing plate, so that the residual liquid in the mud cakes is extruded out and flows into the inside of the connecting water pipe through the water filtering holes arranged in the vertical plate of the lifting plate, and finally collected in the water collecting box, the effect of dewatering the sludge is improved, and after the mud cakes which cannot be compressed are compressed into an integral block shape, the whole mud block can be taken out by pulling the pulling plate outwards.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a front view of a linkage plate of the present invention;

FIG. 3 is a cross-sectional view of the secondary compression box of the present invention;

FIG. 4 is a front view of the ganged rabble bar of the present invention;

FIG. 5 is an enlarged view of the structure of the present invention at A;

FIG. 6 is a front view of the connecting water pipe of the present invention.

Wherein, 1, mixing tank; 2. a flocculant box; 3. a servo motor; 4. a top plate; 5. a driving gear; 6. a driven gear; 7. a linkage stirring rod; 8. a connecting pipe; 9. a water collection tank; 10. a motor; 11. a filter tube; 12. a base plate; 13. a water pump; 14. a water delivery pipe; 15. butt-joint pipes; 16. a nozzle; 17. connecting a water pipe; 18. a secondary compression box; 19. a limiting frame; 20. lifting the plate; 21. pressing a plate; 22. a linkage plate; 23. and (4) a hydraulic press.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 2, the present invention provides a technical solution: an easily detachable spiral sludge dewatering machine comprises a mixing tank 1, wherein the mixing tank 1 is used as equipment for mixing sludge and a flocculating agent by the device, the uniform mixing with the flocculating agent is ensured before sludge dewatering for improving the sludge dewatering effect, a flocculating agent box 2 is fixedly connected to the right end of the mixing tank 1, a water leakage tank is arranged on the right side of the mixing tank 1 and is positioned inside the flocculating agent box 2, an external pipeline is arranged on the front side of the mixing tank 1, a butt joint pipeline is arranged at the bottom of the flocculating agent box 2, a servo motor 3 is arranged at the top of the mixing tank 1, the servo motor 3 is used as the prior art, the application is not described in detail any more, the type is 40ST-M00330, a top plate 4 is fixedly connected inside the mixing tank 1, the top plate 4 plays a role in supporting and limiting a driven gear 6, so that the driven gear 6 can rotate at the bottom of the top plate 4 without displacement, the stability of the device is improved, the left end of the mixing tank 1 is fixedly connected with the connecting pipe 8, the connecting pipe 8 ensures that the mixed liquid in the mixing tank 1 is discharged into the filter tube 11 for dewatering effect, the convenience of the device is improved, the left end of the connecting pipe 8 is fixedly connected with the water collecting tank 9, the water collecting tank 9 is used as storage equipment, a place where water flow extracted from sludge in the filter tube 11 can be stored is ensured, the left end of the outer part of the water collecting tank 9 is fixedly connected with the motor 10, the motor 10 is used as the prior art, detailed description is omitted in the application, the model is Y355L2-2, the motor 10 is used as a power source of a main dewatering structure of the device and is used for providing a spiral shaft in the filter tube 11 to rotate for compressing the sludge, the filter tube 11 is fixedly sleeved outside an output shaft of the motor 10, filter seams are formed on the inner wall of the filter tube 11 and used for discharging the water flow extracted from the sludge into the water collecting tank 9, the water suction pump 13 is arranged at the bottom of the water collection tank 9 and is OSM-DN40, the water suction pump 13 has the effect of compressing the extracted water flow in the water collection tank 9 into the water delivery pipe 14, the convenience of the device is improved, the left end of the water collection tank 9 is fixedly connected with the connecting water pipe 17, the connecting water pipe 17 has the effect of communicating the secondary compression tank 18 with the water collection tank 9, so that the water flow extracted secondarily in the secondary compression tank 18 can be collected in the water collection tank 9, the convenience of the device is improved, the left end of the connecting water pipe 17 is fixedly connected with the secondary compression tank 18, the secondary compression tank 18 has the effect of quickly collecting mud cakes discharged from the interior of the filter tube 11 and using the mud cakes as secondary compression occasions, the convenience of the device is improved, the limiting frame 19 is fixedly connected in the secondary compression tank 18, and the limiting frame 19 has the functions of limiting and lifting plates 20 and pressing plates 21, so that the lifting plate 20 is matched with the pressing plate 21 to carry out secondary compression on the sludge, and the convenience of the device is improved.

Referring to fig. 3 to 6, an output shaft of a servo motor 3 passes through a top plate 4, a driving gear 5 is fixedly sleeved outside the bottom end of the output shaft of the servo motor 3, the driving gear 5 serves as a driving device, the rotation of the driving gear ensures that three groups of driven gears 6 meshed with the driving gear rotate synchronously, the mechanical linkage of the linear rotation is improved, the driven gear 6 is sleeved at the bottom of the top plate 4 in a rotating manner, the driven gears 6 have three groups in total and have the same included angle, the three groups of driven gears 6 with the same included angle ensure that three groups of linkage stirring rods 7 can comprehensively and rapidly stir a mixed liquid of sludge and a flocculating agent in a mixing tank 1, the quality and the speed of the mixed liquid obtained by the device are improved, the three groups of driven gears 6 are respectively meshed with the driving gear 5, the bottoms of the three groups of driven gears 6 are fixedly connected with linkage stirring rods 7, and the stirring blades of the three groups of linkage stirring rods 7 are not contacted with each other, the inner wall of the water collecting tank 9 is fixedly connected with a bottom plate 12, a water pump 13 is positioned at the bottom of the bottom plate 12, one side of the water pump 13 is fixedly connected with a water delivery pipe 14, the water delivery pipe 14 penetrates through the outer wall of the water collecting tank 9, one side of the top end of the water delivery pipe 14 is fixedly connected with a butt joint pipe 15, the butt joint pipe 15 has the effect of guiding water flow jetted by a nozzle 16 into a filter tube 11, the effect of the device in washing the filter tube 11 is improved, the nozzle 16 is installed inside the butt joint pipe 15 and is communicated with the water delivery pipe 14, a lifting plate 20 is clamped inside a limiting frame 19 in a sliding mode, a pressing plate 21 is clamped at the top of the limiting frame 19 in a sliding mode, the pressing plate 21 has the effect of pressing mud cakes at the top of the limiting frame 19 into the limiting frame 19 so that the mud cakes can be rapidly collected into the limiting frame 19 for secondary compression, a linkage plate 22 is fixedly connected to one side of the pressing plate 21, and the linkage plate 22 has the effect of linking the hydraulic press 23 and the pressing plate 21, the movement of the hydraulic press 23 can be ensured to synchronously press the belt 21 to move, the hydraulic press 23 is installed at one end of the linkage plate 22 and is of the type Y-HG1-E70, the hydraulic press 23 is located below the motor 10, the press plate 21 is slidably sleeved outside the pulling plate 20, and water filtering holes are formed in the vertical plate of the pulling plate 20.

s1, when sludge needs to be dewatered, firstly, external sludge is connected into the mixing tank 1 through an external pipeline on the front side of the mixing tank 1, then the flocculating agent is connected into the flocculating agent box 2 through a butt joint pipeline at the bottom of the flocculating agent box 2 and passes through the height difference between the water leakage tank and the mixing tank 1, after the flocculating agent enters the mixing tank 1, the servo motor 3 is started, the servo motor 3 drives the driving gear 5 to rotate, the driving gear 5 rotates to enable the three groups of driven gears 6 meshed with the driving gear to synchronously rotate, the three groups of driven gears 6 synchronously rotate to be linked with the three groups of linkage stirring rods 7 to rotate, and then the three groups of linkage stirring rods 7 rapidly stir the mixed liquid of the sludge and the flocculating agent in the mixing tank 1, through the stirring that the same linkage puddler 7 of three contained angles of group goes on for the mixed liquid that is located the corner department in mixing tank 1 can be abundant stir.

S2, the stirred mixed liquid enters the inside of the filter tube 11 through the connecting tube 8 by virtue of the height difference, then the motor 10 is started, the screw shaft inside the filter tube 11 is driven to rotate by the motor 10, so that the mixed liquid is compressed inside the filter tube 11, then the water in the mixed liquid is filtered from the outer wall of the filter tube 11, in the process of rotation of the screw shaft, the sludge which is compressed and squeezed to be dried is discharged through the mud guard of the outer wall of the water collecting tank 9, the squeezed water falls into the top of the bottom plate 12, when the sludge dewatering is suspended, the water suction pump 13 is started, the water collected at the top of the bottom plate 12 is pumped into the water suction pump 13 and is pumped into the water conveying tube 14, then the water is sprayed out through the nozzle 16, the water flow sprayed by the nozzle 16 impacts the inside of the filter tube 11, and then the effect of cleaning the inside of the filter tube 11 is achieved, the cleaned water flow continues to drop through the outer walls of the filter tubes 11 to the top of the bottom plate 12.

S3, when sludge after preliminary dehydration needs to be cleaned, the sludge discharged through a mud guard outside the filter pipe 11 falls into the top of the limit frame 19, then the hydraulic machine 23 is started, the linkage plate 22 is pushed by the hydraulic machine 23 to link the pressing plate 21 to push the sludge at the top of the limit frame 19 to the inside of the limit frame 19, in the pushing process of the pressing plate 21, the pressing plate 21 penetrates through the lifting plate 20 and sleeves the transverse shaft of the lifting plate 20 in the pressing plate 21, then the pressing plate 21 is continuously pushed and fed, when the sludge is gathered in the limit frame 19, the sludge is secondarily compressed through the matching of the pressing plate 21 and the inner wall of the secondary compression box 18, liquid in the sludge flows into the top of the bottom plate 12 in the water collection box 9 through the connecting water pipe 17, when the inside of the limit frame 19 is fully pressed with the sludge, the pressing plate 21 is withdrawn outwards, then an operator pulls the transverse shaft at the left end of the lifting plate 20, the sludge that is compressed and molded is pulled out from the inside of the stopper frame 19 and is treated.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick detachable fold spiral shell sludge dewaterer, includes mixing tank (1), its characterized in that: a servo motor (3) is arranged at the top of the mixing tank (1), a flocculating agent box (2) is fixedly connected at the right end of the mixing tank (1), the interior of the mixing tank (1) is fixedly connected with a top plate (4), the left end of the mixing tank (1) is fixedly connected with a connecting pipe (8), the left end of the connecting pipe (8) is fixedly connected with a water collecting tank (9), the left end outside the water collecting tank (9) is fixedly connected with a motor (10), a filter pipe (11) is fixedly sleeved outside an output shaft of the motor (10), a water suction pump (13) is installed at the bottom of the water collecting tank (9), a connecting water pipe (17) is fixedly connected with the left end of the water collecting tank (9), a secondary compression tank (18) is fixedly connected with the left end of the connecting water pipe (17), the inside fixedly connected with spacing frame (19) of secondary compression case (18).

2. The easily detachable fold spiral sludge dewatering machine of claim 1, characterized in that: the right side of the mixing tank (1) is provided with a water leakage tank, the water leakage tank is located inside the flocculating agent box (2), the front side of the mixing tank (1) is provided with an external pipeline, and the bottom of the flocculating agent box (2) is provided with a butt joint pipeline.

3. The easily detachable fold spiral sludge dewatering machine of claim 1, characterized in that: the output shaft of servo motor (3) passes roof (4), driving gear (5) have been cup jointed to the external fixation of servo motor (3) output shaft bottom, driven gear (6) have been cup jointed in the bottom rotation of roof (4), driven gear (6) are total to be three groups, and the contained angle is the same, and three groups driven gear (6) mesh with driving gear (5) respectively.

4. The easily detachable fold spiral sludge dewatering machine of claim 3, characterized in that: the bottom of the three groups of driven gears (6) is fixedly connected with a linkage stirring rod (7), and stirring blades of the linkage stirring rod (7) are not in contact with each other.

5. The easily detachable fold spiral sludge dewatering machine of claim 1, characterized in that: the inner wall fixedly connected with bottom plate (12) of header tank (9), suction pump (13) are located the bottom of bottom plate (12).

6. The easily detachable fold spiral sludge dewatering machine of claim 1, characterized in that: one side fixedly connected with raceway (14) of suction pump (13), raceway (14) pass the outer wall of header tank (9), one side fixedly connected with butt joint pipe (15) on raceway (14) top, the internally mounted of butt joint pipe (15) has nozzle (16), and nozzle (16) communicate with each other with raceway (14).

7. The easily detachable fold spiral sludge dewatering machine of claim 5, characterized in that: the inside slip joint of spacing frame (19) has carried arm-tie (20), the top slip joint of spacing frame (19) has clamp plate (21), one side fixedly connected with linkage plate (22) of clamp plate (21), hydraulic press (23) are installed to the one end of linkage plate (22).

8. The easily detachable fold spiral sludge dewatering machine of claim 7, characterized in that: the hydraulic press (23) is located below the motor (10), the pressing plate (21) is sleeved outside the lifting plate (20) in a sliding mode, and water filtering holes are formed in the vertical plate of the lifting plate (20).

9. The dewatering method of the easy-to-detach stacked spiral sludge dewatering machine according to any one of claims 1 to 8, comprising the following steps:

s1, when sludge needs to be dewatered, firstly, the external sludge is connected into the mixing tank (1) through an external pipeline on the front side of the mixing tank (1), then a flocculating agent is connected into the flocculating agent box (2) through a butt joint pipeline at the bottom of the flocculating agent box (2), the flocculating agent passes through the height difference between the water leakage tank and the mixing tank (1), a servo motor (3) is started after the flocculating agent enters the mixing tank (1), a driving gear (5) is driven to rotate through the servo motor (3), three groups of driven gears (6) meshed with the driving gear (5) synchronously rotate by the rotation of the driving gear (5), three groups of driven gears (6) synchronously rotate by linking three groups of linked stirring rods (7), then the three groups of linked stirring rods (7) rapidly stir the mixed liquid of the sludge and the flocculating agent in the mixing tank (1), and the stirring is carried out through the three groups of linked stirring rods (7) with the same included angle, so that the mixed liquid in the mixing tank (1) at the corner can be fully stirred;

s2, the stirred mixed liquid enters the inside of the filter pipe (11) through the connecting pipe (8) through the height difference, then the motor (10) is started, the screw shaft inside the filter pipe (11) is driven to rotate through the motor (10), the mixed liquid is compressed inside the filter pipe (11), then the water in the mixed liquid is filtered from the outer wall of the filter pipe (11), the sludge which is compressed and squeezed to be dried is discharged through the mud guard of the outer wall of the water collecting tank (9) in the rotating process of the screw shaft, the squeezed water falls to the top of the bottom plate (12), when the sludge dewatering is suspended, the water suction pump (13) is started, the water accumulated on the top of the bottom plate (12) is pumped into the water suction pump (13) and the water conveying pipe (14), then the water is sprayed to the outside through the nozzle (16), and the water flow sprayed by the nozzle (16) impacts the inside of the filter pipe (11), the effect of cleaning the interior of the filter tube (11) is achieved, and the water flow after cleaning continuously falls into the top of the bottom plate (12) through the outer wall of the filter tube (11);

s3, when sludge after primary dehydration needs to be cleaned, the sludge discharged through a mud guard outside a filter pipe (11) falls into the top of a limit frame (19), then a hydraulic machine (23) is started, a linkage plate (22) is pushed by the hydraulic machine (23) to link a pressing plate (21) to push the sludge at the top of the limit frame (19) to the inside of the limit frame (19), in the pushing process of the pressing plate (21), the pressing plate (21) penetrates through a lifting plate (20) and sleeves a transverse shaft of the lifting plate (20) in the pressing plate (21), then the pressing plate (21) is pushed continuously, when the sludge is concentrated in the limit frame (19), the sludge is compressed for the second time through the matching of the pressing plate (21) and the inner wall of a secondary compression box (18), and liquid in the sludge flows into the top of a bottom plate (12) inside a water collection box (9) through a connecting water pipe (17), when the inside of the limiting frame (19) is fully pressed with sludge, the pressing plate (21) is withdrawn outwards, and then an operator pulls the transverse shaft at the left end of the pulling plate (20) to pull out the sludge subjected to compression molding from the inside of the limiting frame (19) for treatment.