CN113045155B

CN113045155B - Automatic drying device that clears up of silt for hydraulic engineering

Info

Publication number: CN113045155B
Application number: CN202110435038.1A
Authority: CN
Inventors: 刘奕; 马卫民; 张亚涛; 陈火见; 郑万里
Original assignee: First Engineering Bureau Of Henan Water Conservancy
Current assignee: First Engineering Bureau Of Henan Water Conservancy
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-12-27
Anticipated expiration: 2041-04-22
Also published as: CN113045155A

Abstract

The invention discloses an automatic sludge cleaning and drying device for hydraulic engineering, which comprises a bottom plate, wherein one side of the bottom plate is provided with a control box, a lifting mechanism and a sludge treatment mechanism, the other side of the bottom plate is provided with a mounting plate and a sludge suction mechanism, the sludge treatment mechanism comprises a dewatering box, a filter box and a collecting box, the sludge suction mechanism comprises a movable disc, a first connecting disc, a second connecting disc, a motor and a rotating shaft, the sludge suction mechanism is further provided with a drill bit and a filter screen to crush sludge and filter impurities in the sludge, the sludge is sucked and discharged into a water seepage plate to be dewatered and then discharged into the collecting box to be sterilized, sterilized and dried, water generated by dewatering treatment is discharged into a water body after being filtered and adsorbed by the filter box, waste of water resources is avoided, the sludge can be taken out and recovered more conveniently and rapidly by arranging a collecting frame, the whole device has high automation degree, good sludge suction, cleaning, drying and treatment effects are good, the efficiency is higher, and the device has stronger practicability.

Description

Automatic drying device that clears up of silt for hydraulic engineering

Technical Field

The invention relates to the technical field of cleaning devices, in particular to an automatic sludge cleaning and drying device for hydraulic engineering.

Background

Hydraulic engineering is surface water and groundwater for control and allotment, reach the engineering of removing the evil and promoting the purpose and building, also known as hydraulic engineering, hydraulic engineering needs to build the dam, the sluice, different hydraulic structures such as water inlet, and hydraulic engineering is because of silt is loose insecurity relatively before the building, so need clear up the silt in the water, and impurity in the silt is more relatively including the rubbish plastic bag that the mankind lost and thrown etc. easily, adsorb to silt collecting device and cause the jam, and silt collecting device often needs human steering apparatus to carry out the absorption to the silt in the position of silt, silt collecting device causes certain danger easily when meeting deeper silt position.

Chinese patent discloses a silt cleaning device for hydraulic engineering, this cleaning device is through setting up the base, the suction dredge, cooperation such as suction dredge pump and silt case is realized getting to inhale and clearance function to silt, and extrude silt and realize dehydration processing function, and has simple structure, advantages such as convenient operation, but, the device is when the in-service use, it is difficult for inhaling to easily run into the silt sclerosis, thoughtlessly there is stone in the silt, impurity such as pasture and rubbish and then lead to device inside pipeline or part to take place the problem of jam, and the purification treatment form to silt is comparatively single, therefore, the practicality is lower.

Disclosure of Invention

The invention aims to provide an automatic sludge cleaning and drying device for hydraulic engineering, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an automatic sludge cleaning and drying device for hydraulic engineering comprises a bottom plate, wherein a mounting plate is connected to one side of the bottom plate, a sludge treatment mechanism is connected to the middle of the other side of the bottom plate, a lifting mechanism and a control box are respectively arranged on two sides of the sludge treatment mechanism, the lifting mechanism and the control box are both arranged on the other side of the bottom plate, a sludge suction mechanism is arranged on one side of the bottom plate away from the lifting mechanism, the sludge suction mechanism is connected with the lifting mechanism through a lifting rope, the sludge treatment mechanism comprises a dewatering box, a filter box and a collecting box which are respectively arranged on two sides of the dewatering box, the bottoms of the dewatering box, the filter box and the collecting box are fixedly connected with the side of the bottom plate, a drain pipe is arranged at the joint of the filter box and the bottom plate, a partition plate is arranged in the middle of the dewatering box, and a water seepage plate is arranged on one side of the partition plate away from the bottom plate, the dewatering box is respectively communicated with the filter box and the collecting box through a water outlet pipe and a sludge discharge groove, a filtering combination layer is arranged in the filter box, an air outlet pipe is arranged at the end part of the collecting box, the sludge suction mechanism comprises a movable disc, a first connecting disc, a second connecting disc, a motor and a rotating shaft, the motor is arranged at one side of the movable disc close to the bottom plate, a protective cover is arranged at the periphery of the motor, the center of the outer side end part of the protective cover is connected with a lifting rope, a cylinder body is fixedly connected at the center of the other side of the movable disc, one end of the cylinder body far away from the movable disc is fixedly connected with the first connecting disc, a sludge suction cylinder and a filter screen cylinder are detachably connected at one end of the first connecting disc far away from the movable disc, a plurality of sludge suction holes which are symmetrically distributed at equal intervals are formed in the wall of the sludge suction cylinder, and the filter screen cylinder is sleeved at the periphery of the sludge suction cylinder, the sludge dewatering device is characterized in that one end, far away from a first connecting disc, of the filter screen cylinder is fixedly connected with a rotating shaft through a connecting sleeve, the other end of the filter screen cylinder is an opening, the first connecting disc is arranged in the opening, the side wall of the first connecting disc is attached to the inner wall of the filter screen cylinder, a rotating shaft is arranged in the cylinder in an inserting mode, one end of the rotating shaft penetrates through the movable disc and is connected with an output shaft of a motor, the other end of the rotating shaft is connected with one side of the second connecting disc, a drill bit is arranged on the other side of the second connecting disc in a connecting mode, a first sludge suction pipe and a second sludge suction pipe are arranged on the movable disc, one ends of the first sludge suction pipe and the second sludge suction pipe are communicated with an inner cavity of the sludge suction cylinder, the other ends of the first sludge suction pipe and the second sludge suction pipe are respectively communicated with two ends of a semicircular pipe, the middle of the semicircular pipe is communicated with one end of a folding pipe, the other end of the folding pipe is communicated with one end of an outer side wall of a sludge inlet pipe, a sludge pump is arranged on the dewatering box, and the other end of the sludge inlet pipe is connected with the sludge pump.

As a further scheme of the invention: the collecting box is internally provided with a collecting frame, the collecting frame is a ladder-type frame which can be pulled out from the outside of the collecting box, one side of the collecting box is provided with a rectangular notch, and a sealing ring is arranged at the joint of the collecting frame and the rectangular notch.

As a still further scheme of the invention: the inner top surface of the collecting box is provided with an ultraviolet lamp, and the inner wall of the other side of the collecting box is provided with a drying plate.

As a still further scheme of the invention: the length and the width of the drying plate are respectively matched with the length and the height of the collecting frame.

As a still further scheme of the invention: the filtering combination layer also comprises a filtering net layer, an active carbon adsorption layer and a filtering sponge layer.

As a still further scheme of the invention: the filter net layer is arranged close to the water outlet pipe, the filter sponge layer is arranged close to the water outlet pipe, and the activated carbon adsorption layer is arranged between the filter net layer and the filter sponge layer.

As a still further scheme of the invention: two positioning holes symmetrically distributed along the central axis of the height direction of the movable disc are formed in the movable disc, positioning rods are arranged in the positioning holes, and one end of each positioning rod is fixedly connected with the side end of the bottom plate.

Compared with the prior art, the invention has the beneficial effects that: this automatic clearance drying device of silt is through inhaling mud mechanism and silt processing mechanism cooperation and realizing inhaling and clearance stoving treatment work to silt, inhale mud mechanism and be equipped with the drill bit and come to carry out shredding to silt, rethread filter screen cylinder filters the stone that thoughtlessly has in the silt, rubbish etc. filters, can effectively prevent that pipeline or part take place to block up in the device, also can purify silt and further improve follow-up clearance and the stoving work to silt, silt inhales through the silt pump and discharges to the interior dehydration treatment that carries out of infiltration board, the disinfection of disinfecting and stoving treatment in discharging to the collecting box again, the water that the dehydration treatment produced discharges in the water after the filter box filters the adsorption treatment, the waste of water resource has been avoided, make silt can more convenient and fast get out and retrieve through setting up the collection frame again, the integrated device degree of automation is high, it inhales and clearance stoving treatment is effectual to silt, and efficiency is higher, has stronger practicality.

Drawings

Fig. 1 is an overall structure schematic diagram of an automatic sludge cleaning and drying device for hydraulic engineering.

Fig. 2 is a structural schematic diagram of a sludge treatment mechanism in an automatic sludge cleaning and drying device for hydraulic engineering.

Fig. 3 is a schematic structural diagram of a sludge suction mechanism in the automatic sludge cleaning and drying device for hydraulic engineering.

Fig. 4 is an enlarged schematic view of a part a in a structural schematic view of a sludge treatment mechanism of an automatic sludge cleaning and drying device for hydraulic engineering.

Wherein: the sludge treatment device comprises a bottom plate-1, a mounting plate-2, a sludge treatment mechanism-3, a control box-4, a lifting mechanism-5, a sludge suction mechanism-6, a dewatering box-7, a filter box-8, a collection box-9, a sludge inlet pipe-10, a sludge pump-11, a water seepage plate-12, a partition plate-13, a water outlet pipe-14, a filter screen layer-15, an activated carbon adsorption layer-16, a filter sponge layer-17, a water outlet pipe-18, a sludge discharge tank-19, a collection frame-20, an ultraviolet lamp-21, a drying plate-22, a gas outlet pipe-23, a sealing ring-24, a movable disc-25, a protective cover-26, a motor-27, a cylinder-28, a rotating shaft-29, a first connecting disc-30, a first sludge suction pipe-31, a second sludge suction pipe-32, a semicircular pipe-33, a folding pipe-34, a sludge suction cylinder-35, a filter screen cylinder-36, a sludge suction hole-37, a connecting sleeve-38, a second connecting disc-39, a drill bit-40, a positioning hole-41 and a positioning rod-42.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The utility model provides an automatic drying device that clears up of silt for hydraulic engineering, includes as shown in fig. 1 bottom plate 1, one side of bottom plate 1 is connected and is provided with mounting panel 2, the opposite side face middle part of bottom plate 1 is connected and is provided with silt processing mechanism 3, the both sides of silt processing mechanism 3 are equipped with hoisting mechanism 5 and control box 4 respectively, hoisting mechanism 5 and control box 4 all install and set up on the opposite side face of bottom plate 1, one side that hoisting mechanism 5 was kept away from to bottom plate 1 is equipped with inhales mud mechanism 6, it links to each other with hoisting mechanism 5 through lifting rope to inhale mud mechanism 6.

The sludge treatment mechanism 3 comprises a dewatering box 7 as shown in fig. 2 and a filter box 8 and a collection box 9 which are respectively arranged on two sides of the dewatering box 7, the bottoms of the dewatering box 7, the filter box 8 and the collection box 9 are all fixedly connected with the side end of the bottom plate 1, a drain pipe 18 is arranged at the joint of the filter box 8 and the bottom plate 1, a partition plate 13 is arranged in the middle of the dewatering box 7, a water seepage plate 12 is arranged on one side, away from the bottom plate 1, of the partition plate 13, the dewatering box 7 is communicated with the filter box 8 and the collection box 9 through a water outlet pipe 14 and a sludge discharge groove 19 respectively, a filtering combination layer is arranged in the filter box 8, and an air outlet pipe 23 is arranged at the end part of the collection box 9.

The mud absorbing mechanism 6 comprises a movable disc 25, a first connecting disc 30, a second connecting disc 39, a motor 27 and a rotating shaft 29 as shown in fig. 3, wherein the motor 27 is installed at one side of the movable disc 25 close to the bottom plate 1, a protective cover 26 is installed at the periphery of the motor 27, the center of the outer end of the protective cover 26 is connected with a lifting rope, a cylinder body 28 is fixedly connected at the center of the other side of the movable disc 25, the first connecting disc 30 is fixedly connected at one end of the cylinder body 28 far away from the movable disc 25, a mud absorbing cylinder 35 is detachably connected at one end of the first connecting disc 30 far away from the movable disc 25, a plurality of mud absorbing holes 37 which are symmetrically distributed at equal intervals are formed in the cylinder wall of the mud absorbing cylinder 35, a filter screen cylinder 36 is sleeved at the periphery of the mud absorbing cylinder 35, and one end of the filter screen cylinder 36 far away from the first connecting disc 30 is fixedly connected with the rotating shaft 29 through a connecting sleeve 38, the other end of the filter screen cylinder 36 is an opening, the first connecting disc 30 is arranged in the opening, the side wall of the first connecting disc 30 is attached to the inner wall of the filter screen cylinder 36, the rotating shaft 29 is inserted into the cylinder 28, one end of the rotating shaft 29 penetrates through the movable disc 25 and is connected with the output shaft of the motor 27, the other end of the rotating shaft 29 is connected with one side of the second connecting disc 39, the other side of the second connecting disc 39 is connected with the drill bit 40, the movable disc 25 is provided with the first sludge suction pipe 31 and the second sludge suction pipe 32, one end of the first sludge suction pipe 31 and one end of the second sludge suction pipe 32 are communicated with the inner cavity of the sludge suction cylinder 35, the other end of the first sludge suction pipe 31 and the other end of the second sludge suction pipe 32 are respectively communicated with the two ends of the semicircular pipe 33, the middle part of the semicircular pipe 33 is communicated with one end of the folding pipe 34 shown in fig. 1, the other end of the folding pipe 34 is communicated with one end of the sludge inlet pipe 10, the outer side wall of the dewatering box 7 is provided with a sludge pump 11, and the other end of the sludge inlet pipe 10 is connected with the sludge pump 11.

Specifically, referring to fig. 2 and 4, a collecting frame 20 is arranged in the collecting box 9, the collecting frame 20 is a ladder-type frame which can be drawn out from the outside of the collecting box 9, a rectangular notch is formed in one side of the collecting box 9, a sealing ring 24 is arranged at a joint of the collecting frame 20 and the rectangular notch, the sealing performance of the collecting box 9 is guaranteed through the sealing ring 24, and gas is prevented from being dispersed, an ultraviolet lamp 21 is arranged on the inner top surface of the collecting box 9, a drying plate 22 is arranged on the inner wall of the other side of the collecting box 9, the length and the width of the drying plate 22 are respectively matched with the length and the height of the collecting frame 20, so that the drying plate 22 can comprehensively dry sludge in the collecting box 20, the filtering combined layer further comprises a filtering mesh layer 15, an active carbon adsorption layer 16 and a filtering sponge layer 17, the filtering mesh layer 15 is arranged close to the water outlet pipe 14, the filtering sponge layer 17 is arranged close to the filtering sponge layer 18, the active carbon adsorption layer 16 is arranged between the filtering mesh layer 15 and the filtering sponge layer 17, and water discharged through the water outlet pipe 14 sequentially passes through the filtering mesh layer 15, the active carbon adsorption layer 16 and the filtering sponge layer 17, so as to further improve the filtering effect.

When the device is used, the device is firstly installed on a working vehicle body or a working ship body through the installation plate 2, the control box 4 is internally provided with the rechargeable power supply and the control panel, the top end of the control box 4 is provided with the operation panel, all functional electric components and an operation panel of the device are linearly connected with a power supply and a control panel through wires arranged in the device, the hoisting mechanism 5 is operated and controlled by the control box 4 to lower the sludge suction mechanism 6 to a proper height position above the sludge, then the motor 27 is controlled to be started to rotate the rotating shaft 29, the rotating shaft 29 rotates to drive the filter screen cylinder 36 and the drill bit 40 to rotate, the filter screen cylinder 36 is slowly lowered to crush the sludge, other impurities such as stones and garbage mixed in the sludge are filtered out through the filter screen cylinder 40, then the sludge pump 11 is controlled to start to suck the sludge into the sludge suction barrel 35 from the sludge suction hole 37, the sludge sucked into the sludge suction barrel 35 is discharged onto the water seepage plate 12 after sequentially passing through the first sludge suction pipe 31, the second sludge suction pipe 32, the semicircular pipe 33, the folding pipe 34 and the sludge inlet pipe 10 for dehydration treatment, the sludge after dehydration treatment flows down into the sludge discharge groove 19 along the water seepage plate 12 and is finally discharged into the collection frame 20 for collection, the water generated by dehydration treatment is discharged into the filter box 8 through the water outlet pipe 14 and is discharged into the water body through the water discharge pipe 18 after being filtered and adsorbed by the filter screen layer 15, the activated carbon adsorption layer 16 and the filter sponge layer 17, the sludge in the collecting frame 20 is sterilized by the ultraviolet lamp 21 and then dried by the drying plate 22, after the sterilizing and drying treatment, the air outlet pipe 23 is opened by the control valve on the air outlet pipe 23 to discharge the gas in the collecting box 9, then, the sludge in the collection frame 20 can be recovered by drawing the collection frame 20 out of the collection tank 9.

Example two

On the basis of embodiment 1, although the sludge can be well crushed and sucked for subsequent treatment, the movable disc 25 is easily shaken in the process of moving up and down, and the working stability of the sludge suction mechanism 6 is further affected, therefore, two positioning holes 41 symmetrically distributed along the central axis in the height direction of the movable disc 25 as shown in fig. 1 are formed on the movable disc 25, positioning rods 42 are respectively arranged in the positioning holes 41, and one end of each positioning rod 42 is fixedly connected with the side end of the bottom plate 1.

The length dimension of locating lever 42 and the length dimension size phase-match of lifting rope, make mud suction mechanism 6 can keep ascending stability of horizontal direction when removing through the cooperation of locating lever 42 and locating hole 41, and then guarantee that whole device operating condition remains stable.

To sum up, this automatic drying device that clears up of silt realizes inhaling and clearance stoving processing work to silt through inhaling mud mechanism 6 and the cooperation of silt processing mechanism 3, inhale mud mechanism 6 and be equipped with drill bit 40 and come to carry out shredding with silt, rethread filter screen cylinder 36 filters the thoughtlessly stone, rubbish etc. in the silt, can effectively prevent that device interior pipeline or part from taking place the jam, also can purify silt and further improve follow-up clearance and stoving work to silt, silt inhales through silt pump 11 and discharges to infiltration board 12 in and carry out dehydration, discharge again to in the collecting box 9 and disinfect disinfection and stoving processing, the water that the dehydration produced filters the adsorption treatment through the filtering box 8 and discharges in the water, the waste of water resource has been avoided, make silt can more convenient and fast get out and retrieve through setting up collecting frame 20 again, the whole device degree of automation is high, it is effectual to inhale and clear up the clearance stoving processing to silt, higher efficiency, have stronger practicality.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An automatic sludge cleaning and drying device for hydraulic engineering comprises a bottom plate (1) and is characterized in that a mounting plate (2) is connected to one side of the bottom plate (1), a sludge treatment mechanism (3) is connected to the middle of the other side of the bottom plate (1), a lifting mechanism (5) and a control box (4) are respectively arranged on two sides of the sludge treatment mechanism (3), the lifting mechanism (5) and the control box (4) are both arranged on the other side of the bottom plate (1), a sludge suction mechanism (6) is arranged on one side of the bottom plate (1) far away from the lifting mechanism (5), the sludge suction mechanism (6) is connected with the lifting mechanism (5) through a lifting rope, silt processing apparatus constructs (3) including dewatering box (7) and filter box (8) and collecting box (9) of setting in dewatering box (7) both sides respectively, the bottom of dewatering box (7), filter box (8) and collecting box (9) all with bottom plate (1) side fixed connection, filter box (8) are equipped with drain pipe (18) with the junction of bottom plate (1), dewatering box (7) middle part is equipped with baffle (13), one side that bottom plate (1) were kept away from in baffle (13) is equipped with infiltration board (12), dewatering box (7) are respectively through outlet pipe (14) and mud groove (19) and filter box (8) The sludge suction device is communicated with a collection box (9), a filtering combination layer is arranged in a filter box (8), an air outlet pipe (23) is arranged at the end part of the collection box (9), a sludge suction mechanism (6) comprises a movable disc (25), a first connecting disc (30), a second connecting disc (39), a motor (27) and a rotating shaft (29), the motor (27) is arranged at one side of the movable disc (25) close to a bottom plate (1), a protective cover (26) is arranged at the periphery of the motor (27), the center of the outer side end of the protective cover (26) is connected with a lifting rope, a cylinder body (28) is fixedly connected at the center of the other side of the movable disc (25), one end of the cylinder body (28) far away from the movable disc (25) is fixedly connected with the first connecting disc (30), one end of the first connecting disc (30) far away from the movable disc (25) is detachably connected with a sludge suction cylinder (35) and a filter screen cylinder (36), a plurality of sludge suction holes (37) which are symmetrically distributed at equal intervals are formed in the wall of the cylinder body (35), the other end of the filter screen cylinder (36) is sleeved with the first connecting disc (38), the sludge dewatering device is characterized in that the first connecting disc (30) is arranged in the opening, the side wall of the first connecting disc (30) is attached to the inner wall of the filter screen cylinder (36), a rotating shaft (29) is arranged in the cylinder body (28) in an inserting mode, one end of the rotating shaft (29) penetrates through the movable disc (25) and is connected with an output shaft of the motor (27), the other end of the rotating shaft (29) is connected with one side of the second connecting disc (39), the other side of the second connecting disc (39) is connected with the drill bit (40), the movable disc (25) is provided with a first sludge suction pipe (31) and a second sludge suction pipe (32), one ends of the first sludge suction pipe (31) and the second sludge suction pipe (32) are communicated with the inner cavity of the sludge suction cylinder (35), the other ends of the first sludge suction pipe (31) and the second sludge suction pipe (32) are respectively communicated with the two ends of the semicircular pipe (33), the middle part of the semicircular pipe (33) is communicated with one end of the sludge suction pipe (34), the other end of the folding pipe (34) is communicated with one end of the sludge inlet box (10), the sludge suction box (7) is provided with the sludge collection box (11), and the sludge discharge box (11) is arranged in the sludge discharge box (11), and the sludge discharge box (11) is connected with the sludge collection box (11), a rectangular notch is formed in one side of the collecting box (9), and a sealing ring (24) is arranged at the joint of the collecting frame (20) and the rectangular notch.

2. The automatic sludge cleaning and drying device for the water conservancy project according to claim 1, wherein an ultraviolet lamp (21) is arranged on the inner top surface of the collecting box (9), and a drying plate (22) is arranged on the inner wall of the other side of the collecting box (9).

3. The automatic sludge cleaning and drying device for the water conservancy project as claimed in claim 2, wherein the length and width dimensions of the drying plate (22) are matched with the length and height dimensions of the collecting frame (20) respectively.

4. The automatic sludge cleaning and drying device for the water conservancy project according to claim 1, wherein the filtering combination layer further comprises a filtering net layer (15), an activated carbon adsorption layer (16) and a filtering sponge layer (17).

5. The automatic sludge cleaning and drying device for the water conservancy project as claimed in claim 4, wherein the filter screen layer (15) is arranged close to the water outlet pipe (14), the filter sponge layer (17) is arranged close to the water discharge pipe (18), and the activated carbon adsorption layer (16) is arranged between the filter screen layer (15) and the filter sponge layer (17).

6. The automatic sludge cleaning and drying device for the water conservancy project according to claim 1, wherein the movable disc (25) is provided with two positioning holes (41) symmetrically distributed along a central axis of the movable disc (25) in the height direction, positioning rods (42) are arranged in the positioning holes (41), and one end of each positioning rod (42) is fixedly connected with the side end of the bottom plate (1).