CN111635095A - Sediment treatment equipment - Google Patents

Abstract

The present invention provides a bottom mud treatment equipment, which belongs to the technical field of sludge treatment, and includes a screening device, a transmission mechanism, a compacting device and a drying device; the screening device includes a shell, the shell has a feed port and a discharge port, a first screen can be detachably connected to the feed port, a second screen and a scraping mechanism are fixedly arranged in the shell, the transmission mechanism corresponds to the discharge port, a shaping block is fixedly arranged on the transmission mechanism, the compacting device has a pressing block that moves up and down, the pressing block is located above the transmission mechanism, and the drying device has a drying chamber and an opening. The bottom mud treatment equipment provided by the present invention dries the bottom mud into a specific shape for easy storage, reduces the floor space, and is easy to reuse, avoiding waste of resources; at the same time, the first screen and the second screen double screen the stones and gravel, thereby improving the screening effect, and the first screen and the second screen are cleaned in time with the help of the detachably connected first screen and the scraping mechanism, so that the bottom mud can be quickly and smoothly screened, thereby improving the screening efficiency.

Description

Sediment treatment equipment

technical field

The invention belongs to the technical field of sludge treatment, and more particularly, relates to a bottom sludge treatment equipment.

Background technique

Sediment is the sediment of rivers and lakes and an important part of natural waters. It is usually a mixture of clay, silt, organic matter and various minerals. formed. At present, the sediment dredging and dredging technology is mainly used, that is, the sediment is cleaned out through the dredging and dredging technology, and after the impurities are screened out, the sediment is dug out and stacked, which occupies the land area, and the dug out of the sediment creates resources Waste, at the same time, the screening effect is poor, the efficiency is low, and the reuse of sediment is more difficult.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a bottom mud treatment equipment to solve the technical problems in the prior art that the bottom mud occupies a large area after being dug out, causes waste of resources, and has poor screening effect and low efficiency of impurities.

In order to achieve the above purpose, the technical scheme adopted in the present invention is to provide a sediment treatment equipment, including a screening device, a transmission mechanism, a compaction device and a drying device;

The screening device includes a casing, the casing has a feed port and a discharge port, and a first screen mesh is detachably connected to the feed port, and the first screen mesh is used to screen out stones; the shell A second screen is fixed in the body and a scraping mechanism is rotatably connected to the second screen. The second screen is used to screen out stones, and the scraping mechanism is used to remove the particles on the second screen. stone scraped

The transmission mechanism corresponds to the discharge port; it is used to transport the bottom mud filtered by the first screen and the second screen; the transmission mechanism is fixed with a shaping block for accommodating the bottom mud;

The compacting device has a pressing block that moves up and down, the pressing block is located above the transmission mechanism, and is used for moving toward the setting block;

The drying device has a drying cavity and an opening communicating with the drying cavity, and one end of the transmission mechanism away from the screening device passes through the opening and enters the drying cavity; the drying device is used for drying via The conveying mechanism transports the bottom mud in the drying chamber.

As another embodiment of the present application, a holding box is connected to one side of the second screen, and the holding box is lower than the second screen for holding the stones scraped by the scraping mechanism .

As another embodiment of the present application, one side of the second screen has a first installation surface, and the inner wall of the casing is provided with a second installation surface corresponding to the first installation surface. Both sides of the box are respectively provided with outer edges extending outward, and the two outer edges are respectively overlapped on the first installation surface and the second installation surface.

As another embodiment of the present application, a deflector and a linear driver for driving the deflector to rotate are hinged in the casing, the deflector is located below the feed port, and the linear driver is One end is hinged on the inner wall of the casing, and the other end is connected with the deflector, and is used to drive the deflector to rotate to change the angle between the deflector and the feed port.

As another embodiment of the present application, the casing is further provided with a conical cylinder located between the second screen and the discharge port; the upper end of the conical cylinder and the second screen are The lower end surface is fixedly connected, the lower end is arranged around the discharge port, and is fixedly connected with the bottom surface of the casing.

As another embodiment of the present application, a vibration exciter for driving the second screen mesh to vibrate is fixed in the casing.

As another embodiment of the present application, the compaction device includes two vertical beams and a beam fixed between the two vertical beams, a cylinder is fixed at the lower end of the beam, and the pressing block is connected to the cylinder of the cylinder. Rod fixed connection.

As another embodiment of the present application, the drying device is further provided with a reclaiming port communicating with the drying cavity and a sealing plug for blocking the reclaiming port, and the reclaiming port is connected to the opening. They are respectively arranged on two adjacent sides of the drying device.

As another embodiment of the present application, the drying device is further provided with auxiliary chambers located on both sides of the drying chamber, and the drying chamber is provided with a steering conveyor connected to the transmission mechanism, which is used for The shaping plates transported by the conveying mechanism are respectively transported into auxiliary chambers, and a plurality of first electric rollers flush with the steering conveyor are rotatably connected in the auxiliary chambers.

As another embodiment of the present application, the steering conveyor includes:

The support plate is provided with a plurality of grooves;

There are multiple rotating blocks, which correspond to each of the grooves one-to-one; the rotating blocks are rotatably connected to the grooves, and the upper ends of the rotating blocks are provided with accommodating grooves;

a second electric roller, rotatably connected to the accommodating groove, and used to control the movement of the sizing block toward the auxiliary cavity;

The power mechanism is fixed on the support plate and connected with the rotating block for driving the rotating block to rotate.

The beneficial effect of the bottom mud treatment equipment provided by the present invention is that compared with the prior art, the bottom mud treatment equipment of the present invention adds the bottom mud excavated from the bottom of the river and lake into the shell from the feeding port, and the bottom mud passes through the first The screen and the second screen screen out the stones and stones in the bottom mud respectively, and during the screening process, remove the first screen to deal with the stones, drive the scraping mechanism to clean the stones on the second screen, and ensure the bottom mud The first screen and the second screen are passed smoothly to improve the screening effect and screening efficiency; then the bottom mud falls through the discharge port to the shaping block on the transmission mechanism, and the compaction device is activated to make the pressing block move down and press in In the setting block, the bottom mud is compacted; the setting block continues to move through the opening and enters the drying chamber in the drying device, and the bottom mud in the setting block is dried by the drying chamber. In this way, the bottom mud is dried into The specific shape is convenient for storage, reduces the floor space, and is convenient for reuse, avoiding waste of resources; at the same time, the stones and stones are double screened through the first screen and the second screen, which improves the screening effect. The first screen and the scraping mechanism clean the first screen and the second screen in time, so that the bottom mud can pass through the screening quickly and smoothly, and the screening efficiency is improved.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural schematic diagram of the bottom mud treatment equipment provided by the embodiment of the present invention;

2 is a schematic diagram of the internal structure of a screening device provided by an embodiment of the present invention;

Fig. 3 is the enlarged view of A place in Fig. 2;

4 is a top view of a screening device provided by an embodiment of the present invention;

5 is a schematic structural diagram of a second screen provided in an embodiment of the present invention;

6 is a schematic structural diagram of a drying device provided in an embodiment of the present invention;

7 is a first structural schematic diagram of a transmission mechanism provided by an embodiment of the present invention;

Fig. 8 is an enlarged view at B in Fig. 7;

9 is a second structural schematic diagram of a transmission mechanism provided by an embodiment of the present invention;

Figure 10 is an enlarged view at C in Figure 9;

FIG. 11 is a third schematic structural diagram of a transmission mechanism provided by an embodiment of the present invention;

Figure 12 is an enlarged view at D in Figure 11;

FIG. 13 is a schematic structural diagram of a steering conveyor according to an embodiment of the present invention.

Among them, each reference sign in the figure:

1. Screening device; 11. Shell; 111. Feeding port; 112. Discharging port; 113. Second installation surface; 12. First screen; 13. Second screen; 131. Holding box; 132 , the first installation surface; 133, the outer edge; 14, the scraping mechanism; 141, the long scraper; 142, the motor; 15, the deflector; 16, the linear drive; ; 2, transmission mechanism; 21, shaping block; 211, forming groove; 22, first conveyor; 23, second conveyor; 3, compaction device; 31, pressing block; 32, vertical beam; 33, beam; 34. Cylinder; 4. Drying device; 41. Drying cavity; 411. Opening; 412. Reclaiming port; 42. Sealing plug; 43. Auxiliary cavity; 431. The first electric roller; 44. Steering conveyor; 441 4411, groove; 442, rotating block; 4421, accommodating groove; 443, second electric roller; 444, power mechanism.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Referring to FIGS. 1 to 6 , the bottom mud treatment equipment provided by the present invention will now be described. A bottom sludge treatment equipment includes a screening device 1, a transmission mechanism 2, a compacting device 3 and a drying device 4; The first screen 12 is detachably connected to the 111, and the first screen 12 is used to screen out stones; the housing 11 is fixed with a second screen 13 and a scraping mechanism 14 that is rotatably connected to the second screen 13. , the second screen 13 is used to screen out the stones, and the scraping mechanism 14 is used to scrape off the stones on the second screen 13; the transmission mechanism 2 corresponds to the discharge port 112; The bottom mud filtered by the second screen 13; the transmission mechanism 2 is fixed with a shaping block 21 for accommodating the bottom mud; It is used to move toward the sizing block 21; the drying device 4 has a drying cavity 41 and an opening 411 that communicates with the drying cavity 41, and the end of the transmission mechanism 2 away from the screening device 1 passes through the opening 411 and enters the receiving drying cavity 41; drying The device 4 is used for drying the bottom mud transported into the drying chamber 41 via the transmission mechanism 2 .

Compared with the prior art, the bottom mud treatment equipment provided by the present invention adds the bottom mud excavated from the bottom of the river and lake into the shell 11 from the feeding port 111, and the bottom mud passes through the first screen 12 and the second screen 13 successively. Respectively screen out the stones and stones in the bottom mud, and in the screening process, remove the first screen 12 to handle the stones, drive the scraping mechanism 14 to clean the stones on the second screen 13, and ensure that the bottom mud passes through the first screen smoothly. The first screen 12 and the second screen 13 improve the screening effect and screening efficiency; then the bottom mud falls through the discharge port 112 to the setting block 21 on the transmission mechanism 2, and the compaction device 3 is activated to make the pressing block 31 Move down and press into the shaping block 21 to compact the bottom mud; the shaping block 21 continues to move through the opening 411 into the drying cavity 41 in the drying device 4, and the drying cavity 41 dries the bottom mud in the shaping block 21, In this way, the bottom mud is dried into a specific shape to facilitate storage, reduce floor space, facilitate reuse, and avoid waste of resources; The effect of screening items is improved. The first screen 12 and the second screen 13 are cleaned in time with the help of the detachably connected first screen 12 and the scraping mechanism 14, so that the bottom mud can pass through the screening quickly and smoothly, and the screening efficiency is improved. .

The housing 11 includes four side panels, a top panel and a bottom panel. The top panel and the side panels are hinged to facilitate opening the housing 11 . The feeding port 111 is provided on the top plate, and the discharging port 112 is provided on the bottom plate; the shaping block 21 is provided with a round, square or other shaped molding groove 211 for accommodating the bottom mud falling from the discharging port 112 . Therefore, the bottom mud is formed into a cake or block shape after being dried, which is convenient for stacking and reuse. The scraping mechanism 14 includes a long scraper 141 and a motor 142. The long scraper 141 is rotatably connected to the second screen 13, and the lower end is flush with the upper end surface of the second screen 13; the motor 142 is fixed on the housing 11 On the inner wall, and is connected with the long scraper 141 in a transmission, for driving the long scraper 141 to rotate on the second screen 13, the motor 142 is arranged on one end or one side of the second screen 13, the long scraper 141 One end of the motor 142 is connected with the output shaft of the motor 142 through gear transmission. After the bottom of the casing 11 contains a lot of bottom mud and needs to be taken out, stop adding the bottom mud into the casing 11, then start the motor 142, the long scraper 141 rotates around the motor 142, and the lower end surface of the long scraper 141 Swing in a fan shape on the upper end surface of the second screen 13 to scrape off the stones on the second screen 13 , reduce the space occupied by the stones on the second screen 13 , and facilitate the subsequent sediment to fall on the second screen 13 the efficiency of the subsequent screening. The stones scraped off by the scraping mechanism 14 fall on the bottom surface of the housing 11 and are located on both sides of the discharge port 112 , and will not hinder the bottom mud from passing through the discharge port 112 .

Please refer to FIGS. 1 to 5 , as a specific embodiment of the bottom mud treatment equipment provided by the present invention, a holding box 131 is connected to one side of the second screen 13 , and the holding box 131 is lower than the second screen 13 , for containing the stones scraped by the scraping mechanism 14, start the scraping mechanism 14, scrape the stones on the second screen 13 to one side, and go beyond the second screen 13 to fall into the holding box 131 , the stones are temporarily stored in the holding box 131 to ensure that the stones will not block the meshes on the second screen 13 . In this way, the stones can be prevented from falling on the bottom surface of the casing 11 and falling into the bottom mud again. Both ends of the second screen 13 are welded to the inner wall of the housing 11 respectively, and there is a gap between the two sides and the inner wall of the housing 11, and the holding box 131 is installed in the gap.

Please refer to FIG. 2 , FIG. 3 and FIG. 5 , as a specific embodiment of the bottom mud treatment equipment provided by the present invention, one side of the second screen 13 has a first installation surface 132 , and the inner wall of the housing 11 is provided with a On the second mounting surface 113 corresponding to the first mounting surface 132 , the outer edges 133 extending outward are respectively provided on both sides of the holding box 131 , and the two outer edges 133 overlap the first mounting surface 132 and the second mounting surface respectively. 113 on. When the holding box 131 is installed, the outer edges 133 on both sides of the holding box 131 are respectively overlapped on the first mounting surface 132 on the second screen 13 and the second mounting surface 113 on the inner wall of the housing 11 to ensure the storage The box 131 is stable and can carry more stones. At the same time, when the box 131 is full of stones, the staff can easily remove the box 131 from the second screen 13 and clean it out. Holds the stones in the box 131 . Handles can be provided at both ends of the holding box 131 to facilitate the staff to take out the holding box 131 . In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIG. 1 and FIG. 2 , as a specific embodiment of the sediment treatment equipment provided by the present invention, a deflector 15 and a linear driver 16 for driving the deflector 15 to rotate are hinged in the casing 11 . The plate 15 is located below the feed port 111, one end of the linear driver 16 is hinged on the inner wall of the housing 11, and the other end is connected to the deflector 15, which is used to drive the deflector 15 to rotate to change the deflector 15 and the feed port. At the angle between 111 and 111, after the bottom mud passes through the first screen 12 and the feed port 111, it falls on the deflector 15, and then slides down along the deflector 15 to the second screen 13, which can pass through a straight line. The driver 16 controls the deflector 15 to rotate continuously, changes the inclination angle of the deflector 15, and then makes the bottom mud slide on the deflector 15 to multiple positions of the second screen 13, so that the bottom mud is dispersed, and the bottom mud is accelerated. The effect of the sieve. The deflector 15 is provided with a concave arc-shaped groove along the length direction of the deflector 15, and the bottom mud falls along the concave arc-shaped groove. The linear actuator 16 uses a cylinder 34 or an electric push rod, a mounting box is set in the housing 11, a through hole is set on the wall of the box, the cylinder 34 or the electric push rod is installed in the mounting box, and its free end passes through the through hole and the deflector. 15 connections.

Please refer to FIG. 1 and FIG. 2 , as a specific embodiment of the bottom mud treatment equipment provided by the present invention, the casing 11 is further provided with a conical cylinder 17 located between the second screen 13 and the discharge port 112; The upper end of the conical cylinder 17 is fixedly connected with the lower end surface of the second screen 13, the lower end is arranged around the discharge port 112, and is fixedly connected with the bottom surface of the shell 11. The second screen 13 is horizontally suspended in the shell 11. The screening area is larger than the discharge port 112 on the housing 11 , so a conical cylinder 17 is provided, the cross-sectional area of the conical cylinder 17 gradually decreases from top to bottom, and the upper port is the same as the effective screening area of the second screen 13 and correspondingly; the lower port is the same size as the discharge port 112, and the lower port is arranged around the discharge port 112, the bottom mud passing through the second screen 13 falls on the inner cylinder wall of the conical cylinder 17, and the bottom mud flows along the cone. The inner cylinder wall of the shaped cylinder 17 slides down and passes through the discharge port 112 , in this way, the sediment is guided smoothly and completely through the discharge port 112 , and no residual sediment remains on the bottom surface of the shell 11 . superior. The upper end of the conical cylinder 17 is welded and fixed to the lower end surface of the second screen 13 , and the lower end of the conical cylinder 17 is welded and fixed to the bottom surface of the casing 11 .

Please refer to FIG. 1 and FIG. 2, as a specific embodiment of the sediment treatment equipment provided by the present invention, a vibration exciter 18 for driving the second screen 13 to vibrate is fixed in the casing 11, and the vibration exciter 18 is arranged at Below the second screen 13, after the bottom mud falls on the second screen 13, the exciter 18 is activated to make the second screen 13 vibrate at a high frequency, and then the bottom mud falling on the second screen 13 is generated. The vertical or lateral movement can not only effectively separate the sediment from the stones, but also make the sediment located between the meshes of the second screen 13 pass through the meshes faster and more.

Please refer to FIG. 1 , as a specific embodiment of the bottom mud treatment equipment provided by the present invention, the compaction device 3 includes two vertical beams 32 and a beam 33 fixedly arranged between the two vertical beams 32. The lower end of the beam 33 The cylinder 34 is fixed, the pressing block 31 is fixedly connected with the cylinder rod of the cylinder 34, the vertical beam 32 is fixedly arranged between the screening device 1 and the drying device 4, and is located on the side of the transmission mechanism 2, and the two vertical beams 32 are arranged at intervals, and The beam 33 is fixed between the two vertical beams 32, the cylinder 34 is fixedly connected to the lower end surface of the beam 33, the free end of the cylinder 34 is connected with the pressing block 31, and the shaping block 21 is transported to the compaction device 3 with the transmission mechanism 2. When going down, start the air cylinder 34, the free end of the air cylinder 34 drives the pressing block 31 to move down, and extends into the setting block 21 to compact and flatten the bottom mud in the setting block 21, so that the shape of the bottom mud is the same as that on the setting block 21. The molding grooves 211 correspond to each other, which is convenient for later storage, transportation and reuse. The vertical beams 32 and the horizontal beams 33 are square tubes, and are welded and fixed to each other. A limit flange can be provided on the outer side of the pressing block 31 to prevent the bottom mud from overflowing when the pressing block 31 extends into the setting block 21 to squeeze the bottom mud.

Please refer to FIG. 1 and FIG. 6 , as a specific embodiment of the bottom sludge treatment equipment provided by the present invention, the drying device 4 is further provided with a reclaiming port 412 that communicates with the drying cavity 41 and is used to block the reclaiming port. The sealing plug 42 of the 412, the feeding port 412 and the opening 411 are respectively arranged on the two adjacent sides of the drying device 4. After drying the bottom mud on the shaping block 21 in the drying cavity 41, the sealing plug can be directly opened. 42. Take out the sizing block 21 from the reclaiming port 412. This method is convenient to operate, and it is not necessary to open the entire drying device 4, which saves time. This structure is suitable for taking out a small number of sizing blocks 21 . When there are many sizing blocks 21 in the drying cavity 41 to be taken out, the drying device 4 still needs to be opened. The side of the drying device 4 corresponding to the transmission mechanism 2 is provided with a shielding door, which is used to take out a large number of setting blocks 21 .

Please refer to FIGS. 6 to 13 , as a specific embodiment of the bottom mud treatment equipment provided by the present invention, the drying device 4 is further provided with auxiliary chambers 43 located on both sides of the drying chamber 41 , and the drying chamber 41 is provided with auxiliary chambers 43 . The steering conveyor 44 connected to the transmission mechanism 2 is used to transport the shaping plates transported by the transmission mechanism 2 to the auxiliary cavity 43 respectively. The electric roller 431 is provided with auxiliary cavities 43 connected on both sides of the drying cavity 41, so that the setting block 21 is dried in the auxiliary cavity 43, and the available drying area is increased; the setting block 21 enters with the transmission mechanism 2. After drying the inside of the cavity 41, the turning conveyor 44 is activated and faces one of the auxiliary cavities 43. The setting block 21 enters the turning conveyor 44 from the transmission mechanism 2, and enters the auxiliary cavity 43 under the action of the turning conveyor 44. And the first electric roller 431 in the auxiliary cavity 43 continues to transport the setting block 21 into the auxiliary cavity 43 . In this way, the shaping blocks 21 can be automatically moved to the auxiliary cavity 43 for drying, and the first electric roller 431 can continuously transport multiple shaping blocks 21 into the auxiliary cavity 43 to ensure drying in the auxiliary cavity 43 area is used effectively. When the steering conveyor 44 is not activated, the steering conveyor 44 transports the setting blocks 21 in the drying cavity 41; when the steering conveyor 44 is activated, the rotation of the steering conveyor 44 can be controlled to make the transport rollers on the steering conveyor 44 inclined, And transport the setting block 21 to the auxiliary cavity 43 . A diverting conveyor 44 is located between the two auxiliary chambers 43 .

Please refer to FIGS. 6 to 13 , as a specific embodiment of the sediment treatment equipment provided by the present invention, the steering conveyor 44 includes a support plate 441 , a rotating block 442 , a second electric roller 443 and a power mechanism 444 . The plate 441 is provided with a plurality of grooves 4411; the number of the rotating blocks 442 is multiple, which corresponds to each groove 4411 one-to-one; the rotating block 442 is rotatably connected to the groove 4411, and the upper end of the rotating block 442 is provided with an groove 4421; the second electric roller 443 is rotatably connected to the accommodating groove 4421 for controlling the movement of the sizing block 21 towards the auxiliary cavity 43; the power mechanism 444 is fixed on the support plate 441 and connected with the rotating block 442, using In order to drive the rotating block 442 to rotate, the contour of the groove 4411 is set to be circular, the rotating block 442 is a cylinder and is rotated and installed into the groove 4411, and a mounting groove is set on the bottom surface of the groove 4411, and the power mechanism 444 is installed In the installation slot, the power mechanism 444 selects a motor, and a connecting hole is opened on the lower end surface of the rotating block 442, and a keyway is arranged in the connecting hole. The body 442 rotates in the groove 4411, so that the transport direction of the second electric roller 443 located in the accommodating groove 4421 is changed. The operation of the second electric roller 443 and the rotation of the rotating block 442 are independent of each other. The rotating block 442 rotates so that the transport direction of the second motorized roller 443 faces the auxiliary cavity 43. After the sizing block 21 moves to the support plate 441, it is pressed on the second motorized roller 443, and the second motorized roller 443 sets the shape The block 21 is transported into the auxiliary chamber 43 . A bearing can be arranged in the groove 4411, and the rotating block 442 is connected in the bearing, so that the rotating block 442 can rotate more smoothly.

The transmission mechanism 2 includes two first conveyors 22 arranged at intervals and a second conveyor 23 between the two conveyors. The second conveyor 23 is located on the side of the first conveyor 22 away from the screening device 1 . A conveyor 22 is located below the screening device 1 and the compacting device 3, and the conveying surface of the second conveyor 23 is slightly lower than the conveying surface of the first conveyor 22, so that the shaping block 21 can be transferred from the first conveyor 22 to the second conveyor 22. on conveyor 23. One end of the second conveyor 23 extends into the drying cavity 41 and is connected to the turning conveyor 44 for transferring the sizing block 21 to the turning conveyor 44 .

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (10)

1. The bottom mud treatment equipment is characterized by comprising a screening device, a conveying mechanism, a compacting device and a drying device;

the screening device comprises a shell, the shell is provided with a feeding hole and a discharging hole, a first screen is detachably connected to the feeding hole, and the first screen is used for screening out stones; a second screen and a scraping and brushing mechanism which is rotationally connected to the second screen are fixedly arranged in the shell, the second screen is used for screening out stones, and the scraping and brushing mechanism is used for scraping the stones on the second screen;

the conveying mechanism corresponds to the discharge hole; the bottom mud is used for transporting the bottom mud filtered by the first screen and the second screen; the conveying mechanism is fixedly provided with a shaping block for containing bottom mud;

the compacting device is provided with a pressing block which moves up and down and is positioned above the conveying mechanism and used for moving towards the shaping block;

the drying device is provided with a drying cavity and an opening communicated with the drying cavity, and one end of the conveying mechanism, which is far away from the screening device, penetrates through the opening and enters the drying cavity; the drying device is used for drying the bottom mud conveyed to the drying cavity through the conveying mechanism.

2. The bottom mud treatment device according to claim 1, wherein a holding box is connected to one side of the second screen, and the holding box is lower than the second screen and is used for holding the stones scraped by the scraping and brushing mechanism.

3. The bottom sludge treatment apparatus of claim 2 wherein the second screen has a first mounting surface on one side thereof, a second mounting surface corresponding to the first mounting surface is provided on an inner wall of the housing, and outwardly extending outer edges are provided on both sides of the housing, and both of the outer edges overlap the first mounting surface and the second mounting surface, respectively.

4. The bottom mud treatment device of claim 1, wherein a guide plate and a linear driver for driving the guide plate to rotate are hinged in the shell, the guide plate is positioned below the feed inlet, one end of the linear driver is hinged on the inner wall of the shell, and the other end of the linear driver is connected with the guide plate and is used for driving the guide plate to rotate so as to change the angle between the guide plate and the feed inlet.

5. The bottom sludge treatment apparatus of claim 1 wherein a conical cylinder is further disposed within the housing between the second screen and the discharge port; the upper end of the conical cylinder is fixedly connected with the lower end face of the second screen, and the lower end of the conical cylinder surrounds the discharge hole and is fixedly connected with the bottom face of the shell.

6. The sediment treatment apparatus of claim 1 wherein an exciter for driving the second screen to vibrate is fixed in the housing.

7. The bottom mud treatment device according to claim 1, wherein the compacting device comprises two vertical beams and a cross beam fixedly arranged between the two vertical beams, the lower end of the cross beam is fixedly provided with the air cylinder, and the pressing block is fixedly connected with the cylinder rod of the air cylinder.

8. The bottom mud treatment device according to claim 1, wherein the drying device is further provided with a material taking port communicated with the drying chamber and a sealing plug for sealing the material taking port, and the material taking port and the opening are respectively arranged on two adjacent side surfaces of the drying device.

9. The bottom mud treatment device according to claim 1, wherein an auxiliary chamber is further arranged in the drying device and located on two sides of the drying chamber, a steering conveyor connected with the conveying mechanism is arranged in the drying chamber and used for conveying the shaping plates conveyed by the conveying mechanism into the auxiliary chamber respectively, and a plurality of first electric rollers flush with the steering conveyor are rotatably connected in the auxiliary chamber.

10. The bottom sludge treatment apparatus of claim 9 wherein the diverting conveyor comprises:

a support plate provided with a plurality of grooves;

a plurality of rotating blocks are arranged and correspond to the grooves one by one; the rotating block body is rotatably connected in the groove, and an accommodating groove is formed in the upper end of the rotating block body;

the second electric roller is rotatably connected in the accommodating groove and used for controlling the shaping block to move towards the auxiliary cavity;

and the power mechanism is fixedly arranged on the supporting plate, is connected with the rotating block and is used for driving the rotating block to rotate.

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