Riverway environment treatment sludge solidification pretreatment device

Abstract

This invention relates to the field of sludge solidification treatment equipment, and discloses a sludge solidification pretreatment device for river environmental management. The device includes a filter press assembly, a solidification assembly, and a mixing and feeding assembly. In use, the worm gear reciprocates forward / reverse, driving the fixed component and rotating ring to reciprocate. This causes two sliding rods to continuously move closer and further apart in a parallel state, adjusting the filter press plates to move closer and further apart. When the filter press plates move closer together, they squeeze the sludge between them to release water; when they move further apart, they squeeze the sludge between the filter press plates and the filter box to release water, dividing the sludge in the filter box into three parts and squeezing out water. As the rotating ring rotates, the scraper below it also rotates. The brush on the scraper tightly abuts against the filter box, and there is pressure between the brush and the filter box. Through the elastic deformation of the brush, it enters the through holes, promptly scraping away blockages inside the filter holes and outside the filter box. This invention has the advantages and effects of high dewatering efficiency, rapid and uniform mixing with the solidifying agent, and convenient unloading.

Description

Technical Field

[0001] This invention relates to the field of sludge solidification treatment equipment, and in particular to a sludge solidification pretreatment device for river environment management. Background Technology

[0002] Currently, river channels and lakes are becoming increasingly polluted, necessitating dredging. River dredging is a common method for controlling watershed water pollution. By removing silt, sand, and other sediments from the riverbed, the normal flow capacity of rivers is maintained, while also improving water quality and the ecological environment. The dredged silt, as solid waste, needs proper disposal to prevent secondary pollution. Existing technologies allow the dredged silt to be dehydrated, dried, and rendered harmless before being used as a substrate, such as for sintering into bricks. It can also be used as backfill material in riverbeds to isolate pollutants and reduce their spread.

[0003] Before solidifying and reusing sludge, it is necessary to use mechanical equipment to dehydrate it and mix the dehydrated sludge with the solidification agent. Dehydration can significantly reduce the volume of sludge, making it easier to transport and reducing the amount of solidification agent used. In existing equipment, most sludge is processed by pressing out the water. However, the current technology of extrusion dehydration is generally performed by single extrusion from top to bottom. Due to the large amount of sludge, the water in the middle of the sludge cannot be squeezed out in time, resulting in low dehydration efficiency and reducing the efficiency of pretreatment before sludge solidification. Summary of the Invention

[0004] The purpose of this invention is to provide a pretreatment device for the solidification of silt in river environment management, which solves the above-mentioned technical problems, has high dewatering efficiency, mixes quickly and evenly with the solidifying agent, and is convenient for unloading.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a silt solidification pretreatment device for river environment management, comprising a filter press assembly, the filter press assembly comprising a workbench, a filter press box fixedly mounted on the workbench, a filter box fixedly mounted inside the filter press box, the filter box having filter holes evenly distributed, a plurality of scrapers evenly distributed between the filter press box and the filter box, a single row of brushes mounted on the scrapers and the brushes abutting against the filter box, a rotating ring fixedly mounted on the top of the scrapers, the rotating ring being rotatably connected to the filter box and the filter press box, a sliding block being rotatably connected to the top of the filter box, a sliding rod being slidably connected inside the sliding block, a fixed block being fixedly mounted on the top of the rotating ring, the other end of the sliding rod being fixed inside the fixed block and the two sliding rods being arranged in parallel, a filter press plate being fixedly mounted at the bottom of the sliding rod, the filter box being slidably connected to the bottom of the filter press plate, and an opening and closing plate being hinged at the bottom of the filter box for material feeding;

[0006] The power assembly, used to drive the rotating ring to reciprocate, includes an arc-shaped fixing member fixedly installed on the top of the rotating ring, a worm gear rotatably provided on the outer wall of the filter press, and worm gear teeth meshing with the worm gear on the outer wall of the fixing member;

[0007] The curing component includes a support frame, a curing cylinder mounted on the support frame, a mud outlet at the bottom of the curing cylinder, and a mixing and feeding component at the top of the curing cylinder.

[0008] Heating components are used to heat the sludge inside the curing cylinder;

[0009] The material conveying assembly is used to transport the sludge falling from the filter box into the solidification cylinder.

[0010] By adopting the above technical solution, during the dewatering process, the worm gear reciprocates in both forward and reverse directions, driving the arc-shaped fixed component and the rotating ring to reciprocate. The fixed block rotates with the rotating ring, while the sliding block, hinged to the filter box, can only rotate. This causes the two sliding rods to continuously approach and move away from each other in a parallel state, thereby adjusting the filter plates to continuously move closer and further away. When the filter plates approach each other, they squeeze the sludge between them to release water; when they move away, they squeeze the sludge between the filter plates and the filter box to release water. This divides the sludge in the filter box into three parts, squeezing out water and improving dewatering efficiency. Simultaneously, when the worm gear rotates rapidly in both directions, it can also drive the filter plates to beat the sludge, facilitating rapid water release and further improving dewatering efficiency. When the rotating ring rotates, the scraper below it also rotates. The brushes on the scraper are tightly pressed against the filter box, and there is pressure between the brushes and the filter box. The elastic deformation of the brushes allows them to enter the through-holes and promptly scrape away blockages inside the filter holes and outside the filter box, preventing blockages and ensuring dewatering efficiency.

[0011] A further configuration of the present invention is as follows: the stirring and feeding assembly includes support rods fixed on both sides of the top of the curing cylinder, a crossbar fixed in the middle of the support rods, and movable rods slidably provided on both sides. A rotating shaft is rotatably connected to the crossbar, a disk is fixed at the bottom of the rotating shaft, a rotating shaft is fixed at the bottom of the disk, the rotating shaft passes eccentrically through the disk and is located on the same straight line as the rotating shaft, a rotating shaft is rotatably connected to the movable rod, a gear is fixed below the rotating shaft, the rotating shaft passes eccentrically through the gear, a rack is fixed on the outside of the disk, the rack meshes with the gear, S-shaped stirring blades are provided on both the rotating shaft and the rotating shaft, a spiral feeding plate is provided at the bottom of the rotating shaft for assisting in material discharge, a drive motor is provided at the top of the crossbar, a gear is fixed at the output end of the drive motor, a gear is fixed at the top of the rotating shaft, and gears two mesh with gear three.

[0012] By adopting the above technical solution, since the crossbar is fixed, the moving rod can slide left and right relative to the crossbar. The drive motor drives gear two to rotate, which in turn drives gear three, rotating shaft, disc one, and rotating shaft one to rotate. Since rack one meshes with gear one on both sides and rotating shaft two eccentrically passes through disc one and gear one respectively, the rotation of disc one is eccentric, which can drive the two gears one to rotate eccentrically and rotating shaft two to rotate. This causes the two moving rods to move simultaneously toward or away from the crossbar, and causes the two rotating shafts two to move laterally. This causes the S-shaped stirring blades on the two rotating shafts two to both rotate on their own axis and continuously move laterally with the rotating shafts two, which has the effect of making the sludge mix more evenly and improving the mixing uniformity and efficiency of the curing agent and sludge.

[0013] A further feature of the present invention is that it also includes a storage box, a vacuum feeder is provided on the outside of the storage box, the outlet of the vacuum feeder is connected to the discharge pipe, the rotating shaft and the disc are hollow inside and the bottom of the disc is evenly provided with a plurality of discharge holes, and the rotating shaft is rotatably connected to the discharge pipe.

[0014] By adopting the above technical solution, a vacuum suction machine is set up to suck the curing agent in the discharge box into the discharge pipe. The curing agent falls into the first disc through the discharge pipe and rotating shaft, and flows out through the discharge hole in the first disc. As the first disc rotates, the curing agent is constantly rotated and distributed in the curing cylinder, which further improves the mixing efficiency of the curing agent and sludge.

[0015] A further feature of the present invention is that: sliding cylinders are fixedly provided on both sides of the movable rod, and the sliding cylinders are slidably sleeved on the support rod.

[0016] By adopting the above technical solution, sliding cylinders are set on both sides of the moving rod, and the sliding cylinders are slidably connected to the support rod, so as to realize the sliding connection between the moving rod and the support rod.

[0017] A further configuration of the present invention is as follows: the material conveying assembly includes a screw conveyor, the screw conveyor is inclined and has a feed inlet at the top of the lower end and a discharge outlet at the upper end, the feed inlet is located below the filter box and the discharge outlet is connected to the curing cylinder.

[0018] By adopting the above technical solution, a screw conveyor is installed below the filter box. When the opening and closing plate is opened, the dewatered sludge falls from the bottom of the filter box and into the feed inlet. It enters the screw conveyor from the feed inlet and is transported to the discharge outlet. The sludge then falls into the solidification cylinder through the discharge outlet. This process of feeding the dewatered sludge into the solidification cylinder achieves automatic and rapid sludge transport and improves the overall pretreatment efficiency.

[0019] A further feature of the present invention is that the heating component includes an electric heating wire, the curing cylinder has inner and outer double layers, and the heating wire is spirally laid on the outer wall of the inner layer.

[0020] By adopting the above technical solution, the heating wire is energized to heat the inner layer of the curing cylinder, thereby ensuring the curing rate and quality.

[0021] A further feature of the present invention is that a water outlet is provided at the bottom of the side wall of the filter press, and a water outlet valve is provided at the water outlet.

[0022] By adopting the above technical solution and setting an outlet valve, it is convenient to discharge the sewage from the filter sludge through the outlet.

[0023] A further feature of the present invention is that the power assembly also includes a reciprocating motor, the output end of which is fixedly connected to a worm gear.

[0024] By adopting the above technical solution, a reciprocating motor is set to drive the worm gear to rotate in the forward / reverse direction, thereby realizing an automated pre-processing process.

[0025] A further feature of the present invention is that the mud outlet is equipped with a mud discharge valve.

[0026] By adopting the above technical solution, the sludge discharge valve is opened, allowing the sludge, which is uniformly mixed with the curing agent, to be discharged from the sludge discharge port.

[0027] A further feature of the present invention is that the rotating ring has a rotation angle of 60° and there are 6 scrapers.

[0028] By adopting the above technical solution, the entire filter box can be cleaned, so that when the scraper rotates 60°, the 6 scrapers can cover the entire filter box, avoiding dead corners in filtration.

[0029] The beneficial effects of this invention are:

[0030] 1. In the dewatering process, the worm gear reciprocates in both forward and reverse directions, driving the arc-shaped fixing component and the rotating ring to reciprocate. The fixing block rotates with the rotating ring, while the sliding block, hinged to the filter box, can only rotate. This causes the two sliding rods to continuously move closer and further apart in a parallel state, thereby adjusting the filter plates to move closer and further apart. When the filter plates move closer, they squeeze the sludge between them to release water; when they move further apart, they squeeze the sludge between the filter plates and the filter box to release water. This divides the sludge in the filter box into three parts, squeezing out water and improving dewatering efficiency. Simultaneously, the rapid forward and reverse rotation of the worm gear also drives the filter plates to beat the sludge, facilitating rapid water release and further improving dewatering efficiency. When the rotating ring rotates, the scraper below it also rotates. The brush on the scraper is in close contact with the filter box, and there is pressure between the brush and the filter box. The elastic deformation of the brush allows it to enter the through-holes and promptly scrape away blockages inside the filter holes and outside the filter box, preventing blockage and ensuring dewatering efficiency.

[0031] 2. In this invention, since the crossbar is fixed, the moving rod can slide left and right relative to the crossbar. A drive motor is set to drive gear two to rotate, which in turn drives gear three, rotating shaft, disc one, and rotating shaft one to rotate. Since rack one meshes with gear one on both sides and rotating shaft two eccentrically passes through disc one and gear one respectively, the rotation of disc one is eccentric, which can drive the two gears one to rotate eccentrically and rotating shaft two to rotate. This causes the two moving rods to move simultaneously toward or away from the crossbar, and causes the two rotating shafts two to move laterally. This causes the S-shaped stirring blades on the two rotating shafts two to both rotate on their own axis and continuously move laterally with the rotating shafts two, which has the effect of making the sludge mix more evenly and improving the mixing uniformity and efficiency of the curing agent and sludge.

[0032] 3. The present invention provides a vacuum suction machine to suck the curing agent in the discharge box into the discharge pipe, and then the curing agent falls into the first disc through the discharge pipe and the rotating shaft, and flows out through the discharge hole in the first disc. As the first disc rotates, the curing agent is constantly rotated and distributed in the curing cylinder, which further improves the mixing efficiency of the curing agent and the sludge. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0035] Figure 2 This is the present invention. Figure 1 A magnified view of part A in the image.

[0036] Figure 3 This is the present invention. Figure 1 A magnified view of part B in the image.

[0037] Figure 4 This is a schematic diagram of the internal structure of the outer layer of the fixed cylinder of the present invention.

[0038] Figure 5 This is a schematic diagram of the interior of the filter press box of the present invention.

[0039] Figure 6 This is the present invention. Figure 5 A magnified view of part C.

[0040] In the diagram, 1. Filter press assembly; 100. Workbench; 101. Filter press box; 1010. Outlet; 1011. Outlet valve; 102. Filter box; 103. Filter holes; 104. Scraper; 105. Rotating ring; 106. Sliding block; 107. Sliding rod; 108. Fixed block; 109. Filter press plate; 110. Opening and closing plate; 2. Power assembly; 200. Fixing component; 201. Worm gear; 202. Worm wheel tooth; 203. Reciprocating motor; 3. Curing assembly; 300. Support; 301. Curing cylinder; 302. Sludge outlet; 303. Sludge outlet valve; 4. Mixing and feeding assembly; 40 0. Support rod; 401. Crossbar; 402. Moving rod; 403. Rotating shaft; 404. Disc 1; 405. Rotating shaft 1; 406. Rotating shaft 2; 407. Gear 1; 408. Rack 1; 409. S-shaped stirring blade; 410. Spiral feeding plate; 411. Drive motor; 412. Gear 2; 413. Gear 3; 414. Storage bin; 415. Vacuum feeder; 416. Discharge pipe; 417. Discharge hole; 418. Slide cylinder; 5. Heating assembly; 500. Electric heating wire; 6. Conveying assembly; 600. Screw conveyor; 601. Inlet; 602. Outlet. Detailed Implementation

[0041] The technical solution of the present invention will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0042] Example: A silt solidification pretreatment device for river environmental remediation, such as... Figures 1-6As shown, the system includes a filter press assembly 1, which includes a workbench 100. A filter press box 101 is fixedly mounted on the workbench 100. A filter box 102 is fixedly mounted inside the filter press box 101. Filter holes 103 are evenly distributed in the filter box 102. Multiple scrapers 104 are evenly distributed between the filter press box 101 and the filter box 102. A single row of brushes is provided on the scrapers 104, and the brushes abut against the filter box 102. A rotating ring 105 is fixedly mounted on the top of the scrapers 104. The rotating ring 105 is rotatably connected to the filter box 102 and the filter press box 101. The top of the filter box 102... A sliding block 106 is hinged, and a sliding rod 107 is slidably connected inside the sliding block 106. A fixing block 108 is fixed to the top of the rotating ring 105. The other end of the sliding rod 107 is fixed inside the fixing block 108, and the two sliding rods 107 are arranged in parallel. A filter press plate 109 is fixed to the bottom of the sliding rod 107. The bottom of the filter press plate 109 is slidably connected to the filter box 102. The bottom of the filter box 102 is hinged with an opening and closing plate 110 for material feeding. The bottom of the side wall of the filter box 101 is provided with a water outlet 1010, and the water outlet 1010 is provided with a water outlet valve 1011; power Component 2, used to drive the rotating ring 105 to reciprocate, includes an arc-shaped fixing member 200 fixedly installed on the top of the rotating ring 105, a worm gear 201 rotatably installed on the outer wall of the filter press box 101, and a worm wheel tooth 202 meshing with the worm gear 201 on the outer wall of the fixing member 200, with the output end of the reciprocating motor 203 fixedly connected to the worm gear 201; Curing component 3 includes a bracket 300, a curing cylinder 301 installed on the bracket 300, a mud outlet 302 below the curing cylinder 301, a mud outlet valve 303 installed at the mud outlet 302, and a [missing information - likely a device or component] above the curing cylinder 301. The device includes a mixing and feeding assembly 4; a heating assembly 5 for heating the sludge inside the curing cylinder 301, which includes an electric heating wire 500. The curing cylinder 301 has inner and outer double layers, with the electric heating wire 500 spirally laid on the outer wall of the inner layer; and a conveying assembly 6 for conveying the sludge falling from the filter box 102 into the curing cylinder 301, which includes a screw conveyor 600. The screw conveyor 600 is inclined and has an inlet 601 at the top of its lower end and an outlet 602 at its upper end. The inlet 601 is located below the filter box 102, and the outlet 602 is connected to the curing cylinder 301.

[0043] Its working principle is as follows: During dewatering, the sludge to be dewatered is first placed into the filter box 102. The reciprocating motor 203 is started, driving the worm gear 201 to rotate back and forth, which in turn drives the arc-shaped fixed part 200 and the rotating ring 105 to rotate back and forth. At this time, the fixed block 108 rotates with the rotating ring 105, while the sliding block 106 is hinged on the filter box 102 and can only rotate. This causes the two sliding rods 107 to move closer and further away from each other in a parallel state, thereby causing the filter press plates 109 to move closer and further away. When the filter press plates 109 move closer to each other, they squeeze the sludge between the two filter press plates 109 to release water. When the two filter press plates 109 move further away from each other, they squeeze the sludge between the filter press plates 109 and the filter box 102 to release water, dividing the sludge in the filter box 101 into three parts and squeezing out water, thus improving the dewatering efficiency. At the same time, when the worm gear 201 rotates rapidly in both directions, it can also drive the filter press plates 109 to beat the sludge. This facilitates rapid sludge removal. Secondly, as the rotating ring 105 rotates, the scraper 104 below it also rotates. The brush on the scraper 104 is in close contact with the filter box 102, and there is pressure between the brush and the filter box 102. The brush can enter the through hole through elastic deformation to scrape away the blockage inside the filter hole 103 and outside the filter box 102 in time, avoiding blockage of the through hole and ensuring dewatering efficiency. The outlet valve 1011 is always open so that the water flows out through the outlet 1010. After dewatering, the opening and closing plate 110 is opened so that the dewatered sludge falls from the bottom of the filter box 102 and into the feed inlet 601. From the feed inlet 601, it enters the screw conveyor 600. The screw conveyor 600 transports the dewatered sludge to the discharge outlet 602, and it falls into the solidification cylinder 301 through the discharge outlet 602. The dewatered sludge is fed into the solidification cylinder 301, realizing automatic and rapid sludge transportation and improving the overall pretreatment efficiency.

[0044] Specifically, such as Figure 2 , Figure 4 , Figure 5 , Figure 6As shown, the mixing and feeding assembly 4 includes support rods 400 fixed on both sides of the top of the curing cylinder 301. A crossbar 401 is fixed in the middle of the support rods 400, and movable rods 402 are slidably provided on both sides. A rotating shaft 403 is rotatably connected to the crossbar 401. A first disk 404 is fixed at the bottom of the rotating shaft 403. A first rotating shaft 405 is fixed at the bottom of the first disk 404. The rotating shaft 403 passes eccentrically through the first disk 404 and is on the same straight line as the first rotating shaft 405. A second rotating shaft 406 is rotatably connected to the movable rods 402. A first gear 407 is fixed below the second rotating shaft 406. The second rotating shaft 406 passes eccentrically through the first gear 407. A first rack 408 is fixed on the outside of the first disk 404. The first rack 408 meshes with the first gear 407. Both the first rotating shaft 405 and the second rotating shaft 406 are... The device includes an S-shaped stirring blade 409, a spiral feeding plate 410 at the bottom of the rotating shaft 405 for auxiliary discharge, a drive motor 411 at the top of the crossbar 401, a gear 412 fixed at the output end of the drive motor 411, a gear 413 fixed at the top of the rotating shaft 403, with gears 412 and 413 meshing, slide cylinders 418 fixed on both sides of the moving rod 402, and slide cylinders 418 slidably sleeved on the support rod 400. It also includes a storage box 414, with a vacuum feeder 415 on the outside of the storage box 414. The discharge port 602 of the vacuum feeder 415 is connected to the discharge pipe 416. The rotating shaft 403 and the disc 404 are hollow inside, and the bottom of the disc 404 is evenly provided with multiple discharge holes 417. The rotating shaft 403 is rotatably connected to the discharge pipe 416.

[0045] Its working principle is as follows: When mixing the curing agent and sludge, the drive motor 411 is turned on, driving gear 412 to rotate, which in turn drives gear 413, rotating shaft 403, disc 404, and rotating shaft 405 to rotate. Since rack 408 meshes with gears 407 on both sides, and rotating shafts 403 and 406 eccentrically pass through disc 404 and gears 407 respectively, disc 404 rotates eccentrically. This eccentric rotation drives gears 407 to rotate eccentrically and rotating shaft 406 to rotate. This causes two moving rods 402 to reciprocate simultaneously towards or away from crossbar 401, and causes two rotating shafts 406 to move laterally. This causes the S-shaped stirring blades 409 on the two rotating shafts 406 to both rotate on their own axis and continuously move laterally with the rotating shafts 406, resulting in a more uniform mixing of the sludge and improving the mixing of the curing agent and sludge. To improve the uniformity and efficiency of sludge mixing, the vacuum feeder 415 is activated simultaneously with the drive motor 411 to draw the curing agent from the discharge box into the discharge pipe 416. The agent then falls through the discharge pipe 416 and the rotating shaft 403 into the disc 404, and flows out through the discharge hole 417 within the disc 404. The rotation of the disc 404 ensures the curing agent is continuously distributed within the curing cylinder 301, further enhancing the mixing efficiency between the curing agent and sludge. During mixing, the electric heating wire 500 is energized to heat the inner layer of the curing cylinder 301, ensuring the curing rate and quality. Finally, the sludge discharge valve 303 is opened to open the discharge port 302, discharging the sludge to facilitate the mixing of the next batch of sludge with the curing agent. The rotating shaft 405, with its spiral feeding plate 410 at the bottom, assists in feeding the material and prevents sludge from clogging the curing cylinder 301.

[0046] Specifically, the rotating ring 105 rotates at an angle of 60°, and six scrapers 104 are evenly distributed to achieve full-range cleaning of the filter box 102.

Claims

1. A pretreatment device for solidifying silt in river environmental remediation, characterized in that: The filter press assembly (1) includes a workbench (100), on which a filter press box (101) is fixedly mounted. A filter box (102) is fixedly mounted inside the filter press box (101). The filter box (102) has filter holes (103) evenly distributed. Multiple scrapers (104) are evenly distributed between the filter press box (101) and the filter box (102). Each scraper (104) has a single row of brushes that abut against the filter box (102). A rotating ring (105) is fixedly mounted on the top of each scraper (104). The rotating ring (105) is connected to the filter box (102). 2) The filter press box (101) is rotatably connected, and the top of the filter box (102) is rotatably connected to a sliding block (106). A sliding rod (107) is slidably connected inside the sliding block (106). A fixed block (108) is fixedly provided on the top of the rotating ring (105). The other end of the sliding rod (107) is fixed inside the fixed block (108) and the two sliding rods (107) are arranged in parallel. A filter press plate (109) is fixedly provided at the bottom of the sliding rod (107). The bottom of the filter press plate (109) is slidably connected to the filter box (102). An opening and closing plate (110) is hinged at the bottom of the filter box (102) for feeding. The power assembly (2) is used to drive the rotating ring (105) to rotate back and forth. It includes an arc-shaped fixing member (200) fixedly installed on the top of the rotating ring (105). The outer wall of the filter press (101) is rotatably provided with a worm gear (201). The outer wall of the fixing member (200) is provided with worm gear teeth (202) that mesh with the worm gear (201). The curing component (3) includes a support (300), a curing cylinder (301) is provided on the support (300), a mud outlet (302) is provided below the curing cylinder (301), and a stirring and feeding component (4) is provided above the curing cylinder (301); Heating component (5) is used to heat the sludge inside the curing cylinder (301); The conveying assembly (6) is used to convey sludge falling from the filter box (102) into the solidification cylinder (301).

2. The silt solidification pretreatment device for river environmental management according to claim 1, characterized in that: The mixing and feeding assembly (4) includes support rods (400) fixed on both sides of the top of the curing cylinder (301). A crossbar (401) is fixed in the middle of the support rod (400), and movable rods (402) are slidably provided on both sides. A rotating shaft (403) is rotatably connected to the crossbar (401). A disk (404) is fixed at the bottom of the rotating shaft (403). A rotating shaft (405) is fixed at the bottom of the disk (404). The rotating shaft (403) passes eccentrically through the disk (404) and is on the same straight line as the rotating shaft (405). A rotating shaft (406) is rotatably connected to the movable rods (402). A gear (406) is fixed below the rotating shaft (406). 07), the second rotating shaft (406) passes eccentrically through the first gear (407), the outer side of the first disk (404) is fixed with a rack (408), the rack (408) meshes with the first gear (407), the first rotating shaft (405) and the second rotating shaft (406) are both provided with S-shaped stirring blades (409), the bottom of the first rotating shaft (405) is provided with a spiral feeding plate (410) for assisting discharge, the top of the crossbar (401) is provided with a drive motor (411), the output end of the drive motor (411) is fixed with a second gear (412), the top of the rotating shaft (403) is fixed with a third gear (413), the second gear (412) meshes with the third gear (413).

3. The silt solidification pretreatment device for river environmental management according to claim 2, characterized in that: It also includes a storage bin (414), on the outside of which is a vacuum feeder (415). The outlet (602) of the vacuum feeder (415) is connected to the discharge pipe (416). The rotating shaft (403) and the first disc (404) are hollow inside and the bottom of the first disc (404) is evenly provided with a plurality of discharge holes (417). The rotating shaft (403) is rotatably connected to the discharge pipe (416).

4. The silt solidification pretreatment device for river environmental management according to claim 2, characterized in that: The movable rod (402) is fixedly provided with slide cylinders (418) on both sides, and the slide cylinders (418) are slidably sleeved on the support rod (400).

5. The silt solidification pretreatment device for river environmental management according to claim 1, characterized in that: The material conveying assembly (6) includes a screw conveyor (600), which is inclined and has a feed inlet (601) at the top of the lower end and a discharge outlet (602) at the upper end. The feed inlet (601) is located below the filter box (102), and the discharge outlet (602) is connected to the curing cylinder (301).

6. The silt solidification pretreatment device for river environmental management according to claim 1, characterized in that: The heating component (5) includes an electric heating wire (500), and the curing cylinder (301) has inner and outer double layers, with the electric heating wire (500) spirally laid on the outer wall of the inner layer.

7. The silt solidification pretreatment device for river environmental management according to claim 1, characterized in that: The filter press (101) has an outlet (1010) at the bottom of its side wall, and the outlet (1010) is equipped with an outlet valve (1011).

8. The silt solidification pretreatment device for river environmental management according to claim 1, characterized in that: The power assembly (2) also includes a reciprocating motor (203), the output end of which is fixedly connected to a worm gear (201).

9. The silt solidification pretreatment device for river environmental management according to claim 1, characterized in that: The mud outlet (302) is equipped with a mud outlet valve (303).

10. A silt solidification pretreatment device for river environmental management according to claim 1, characterized in that: The rotating ring (105) has a rotation angle of 60°, and the scraper (104) is evenly provided with 6 scrapers.

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