Environment-friendly treatment equipment and treatment process for dredged sludge

Abstract

The invention relates to environment-friendly treatment equipment and process for dredged sludge, and belongs to the technical field of sludge treatment.The environment-friendly treatment equipment comprises a box body, a first conveying frame is arranged on one side of the box body, a material guiding plate is fixedly connected to the outer wall of the first conveying frame, and a collecting box is arranged on one side of the material guiding plate; a vibration screening mechanism is arranged on the top of the collecting box, and a conveying cylinder is arranged on the outer wall of the collecting box. The mixing mechanism can scatter screened sludge, the situation that sludge scabs, consequently, a curing agent and the sludge are mixed insufficiently, and the follow-up compaction quality of the sludge is reduced is prevented, after the sludge is conveyed into the mixing tank, a driving motor is started, and a scattering spiral roller is driven to rotate synchronously through rotation of a rotating shaft; and turbine blades are driven to rotate, so that sludge flows and is stirred from bottom to top, a scattering plate is driven to synchronously rotate in a reciprocating manner, and the effect that the sludge is fully scattered and stirred after being screened and is fully mixed with a curing agent is achieved.

Description

Technical Field

[0001] This invention relates to the field of sludge treatment technology, and more specifically, to an environmentally friendly treatment device and process for dredged sludge. Background Technology

[0002] During the flow of water in rivers and seas, a large amount of sediment is carried downstream through erosion and entrainment. When the water flow slows down, the sediment settles and accumulates, forming silt at the bottom of the water. Over time, the silt at the bottom of the water becomes thicker and thicker, and the overall water level of the riverbed will continue to rise, putting a more serious burden on the dikes on both sides of the river and even endangering the lives of the surrounding residents.

[0003] The silt contains rich nutrients. In the past, locals would dredge the silt to use as fertilizer for farmland and maintain a constant total amount of silt in the river. However, with the promotion and application of fertilizer, people have gradually abandoned this laborious and inefficient method. But the dredging of silt cannot stop. Currently, the silt is often blown into designated areas and pre-compressed under vacuum to allow the silt to settle and eventually form solid artificial land.

[0004] In the prior art, there is an environmental protection treatment equipment and process for dredged sludge with the announcement number CN119735351A, which belongs to the field of sludge treatment technology. It includes a mud-water separation mechanism and a mixing and treatment mechanism. After the river sludge is treated, it is mixed with the mud-sand binding solidifying agent in the box. The mixed material is then compacted and can be transported and filled to the area where land reclamation is needed. The ground is then compacted again by engineering machinery, which has the effect of forming a stable ground structure.

[0005] However, while the above-mentioned sludge environmental protection equipment can effectively pump and process sludge, its reciprocating vibration screening effect is not high during the sludge pumping process. This results in the sludge carrying large impurities flowing into the subsequent processing equipment, which can easily cause the subsequent processing equipment to jam.

[0006] Furthermore, after the sludge is screened, the mixing effect between the sludge and the solidifying agent is not good, which can easily reduce the full mixing effect between the solidifying agent and the sludge, and can also easily reduce the compaction quality of the sludge in the subsequent compaction device.

[0007] Meanwhile, when sludge is transported via conveyor belt, the simultaneous blowing and scraping of dust adsorbed on the surface of the conveyor belt is not very effective, which easily leads to sludge adsorbing on the conveyor belt, resulting in dust and reducing the environmental comfort of the sludge construction site. Therefore, the occurrence of this problem also affects people's usage needs. Summary of the Invention

[0008] To address the problems mentioned in the background, the present invention provides an environmentally friendly treatment device and process for dredged sludge, thereby resolving the issues raised in the background art.

[0009] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0010] An environmentally friendly sludge treatment device includes a housing, a first conveyor frame on one side of the housing, a guide plate fixedly connected to the outer wall of the first conveyor frame, a collection box on one side of the guide plate, a vibrating screening mechanism on the top of the collection box, a conveying cylinder on the outer wall of the collection box, a conveying pipe on the outer wall of the conveying cylinder, a mixing tank fixedly connected to one end of the conveying pipe, a second conveyor frame at the bottom of the mixing tank, a compaction box on one side of the second conveyor frame, a feeding conveyor belt on one side of the compaction box, and a mixing mechanism inside the mixing tank.

[0011] The mixing mechanism includes a dispersing spiral roller and a dispersing plate. A drive motor is installed at the top of the mixing tank, and a rotating shaft is fixedly connected to the output end of the drive motor. A turbine blade is fixedly connected to one end of the rotating shaft, and the dispersing spiral roller is fixedly connected to the outer wall of the rotating shaft. The dispersing plate is rotatably connected to the inner wall of the mixing tank. An electric heating wire is installed inside the mixing tank, and an air pump body is installed at the top of the mixing tank. An air supply pipe is installed on the outer wall of the air pump body, and a rotary joint is fixedly connected to one end of the air supply pipe. The surface of the turbine blade has aeration holes, which can disperse the sludge after screening to prevent the sludge from crusting, which would cause insufficient mixing between the solidifier and the sludge and reduce the quality of subsequent compaction. After the sludge is transported into the mixing tank, the drive motor is turned on, and the rotation of the rotating shaft drives the dispersing spiral roller to rotate synchronously, which in turn drives the turbine blade to rotate. This causes the sludge to flow and stir from bottom to top, and drives the dispersing plate to rotate synchronously back and forth, so as to achieve the effect of fully dispersing and stirring the sludge after screening and fully mixing it with the solidifier.

[0012] Preferably, the outer wall of the collection box is provided with an electric push rod, one end of which is fixedly connected to a push plate. The turbine blades are hollow inside. An adjusting motor is provided at the bottom of the mixing tank. The output end of the adjusting motor is fixedly connected to a first adjusting gear. A second adjusting gear meshes with the outer wall of the first adjusting gear. An adjusting shaft is fixedly connected to the rotation center of the first adjusting gear. An adjusting bevel gear set fixedly connected to the outer wall of the adjusting shaft and fixedly connected to the rotation center of the dispersing plate is fixedly connected. The rotation center of the second adjusting gear is sleeved on the outer wall of the rotary joint.

[0013] Preferably, the mixing tank is provided with a feed inlet at the top, the electric heating wire is arranged in three sections inside the mixing tank, the adjusting bevel gear set and the dispersing plate are paired one-to-one, the adjusting bevel gear set is distributed in a straight line on the outer wall of the adjusting shaft, and there are four sets of first adjusting gears, the positions of the four sets of first adjusting gears are equidistant from the rotation center of the second adjusting gear.

[0014] Preferably, the dispersing spiral roller is a cone shape with a larger top and a smaller bottom, the dispersing plates are distributed in a ring shape inside the mixing tank, and the conveying spiral roller is rotatably connected to the inner wall of the conveying cylinder.

[0015] Preferably, the vibrating screening mechanism includes a vibrating screen plate and a spring. A servo motor is installed on the outer wall of the collection box. The output end of the servo motor is fixedly connected to a first turntable. A pull rod is rotatably connected to the outer wall of the first turntable. One end of the pull rod is rotatably connected to a vibrating screen plate that is slidably connected to the outer wall of the collection box. A limit groove is provided at the connection between the outer wall of the collection box and the vibrating screen plate. A spring is fixedly connected to the outer wall of the vibrating screen plate and to the outer wall of the collection box. This allows for the screening of the pumped sludge, preventing impurities from affecting the quality of sludge compaction. The servo motor can be turned on, and the rotation of the first turntable, along with the rotation of the pull rod, drives the vibrating screen plate to slide back and forth along the inner wall of the limit groove, and performs a reciprocating squeezing motion on the spring, so that the sludge is fully screened and falls into the collection box for storage and use.

[0016] Preferably, the outer wall contour of the vibrating screen plate is U-shaped, and two sets of springs are provided, with the positions of the two sets of springs being symmetrical about the central axis of the vibrating screen plate.

[0017] Preferably, a conveying roller is rotatably connected to the outer wall of the first conveyor frame, a second turntable is fixedly connected to the rotation center of the conveying roller, a fixed column is fixedly connected to the outer wall of the second turntable, a lifting rod is slidably connected to the outer wall of the fixed column and slidably connected to the outer wall of the first conveyor frame, a fixed cylinder is fixedly connected to the outer wall of the first conveyor frame, and a piston rod is slidably connected to the inner wall of the fixed cylinder and slidably connected to the outer wall of the lifting rod. When sludge is conveyed for a long time by the conveyor belt on the first conveyor frame, in order to improve the self-cleaning effect of the conveyor belt during rotation and improve the conversion and utilization of the mechanical energy of the conveyor belt, the rotation of the conveying roller drives the second turntable to rotate. The rotation of the second turntable drives the fixed column to slide back and forth along the inner wall of the chute and drives the lifting rod to move back and forth, so that the piston rod moves back and forth in the fixed cylinder. At the same time, under the connection of the connecting rod, the cleaning scraper moves synchronously to achieve the effect of blowing and scraping the conveyor belt.

[0018] Preferably, a spray pipe is fixedly connected to the bottom of the fixed cylinder, and spray nozzles distributed in a straight line are fixedly connected to the outer wall of the spray pipe.

[0019] Preferably, a connecting rod is fixedly connected to the outer wall of the lifting rod, and a cleaning scraper is fixedly connected to one end of the connecting rod. A sliding groove is provided at the connection between the outer wall of the lifting rod and the fixed column.

[0020] An environmentally friendly treatment process for dredged sludge includes the following steps:

[0021] Step S1: The silt is pumped into the container by a dredging vessel and then transported through the first conveyor frame.

[0022] Step S2: The sludge conveyed by the first conveyor frame is transported to the vibrating screening mechanism set on the collection box for reciprocating screening motion to screen the stones and larger impurities carried in the sludge.

[0023] Step S3: The sludge after screening is transported to the mixing tank through the conveying cylinder and conveying pipe for dispersing treatment, and a solidifying agent is added to make the sludge fully solidify and mix during the full dispersing process.

[0024] Step S4: The fully solidified sludge is transported to the compaction box through the second conveyor frame for compaction, and then discharged via the feeding conveyor belt.

[0025] Compared with the prior art, the beneficial effects of this invention are as follows:

[0026] 1. The mixing mechanism of this invention can disperse the sludge after screening, preventing sludge from crusting and causing insufficient mixing between the solidifying agent and the sludge, thus reducing the quality of subsequent sludge compaction. After the sludge is transported into the mixing tank, the drive motor is turned on, and the rotation of the rotating shaft drives the dispersing spiral roller to rotate synchronously, which in turn drives the turbine blades to rotate, causing the sludge to flow and stir from bottom to top. At the same time, the air pump is turned on, and the gas is transported to the turbine blades through the air supply pipe and the rotary joint, and flows out through the aeration holes to achieve the effect of aeration and mixing of the sludge. Meanwhile, according to the required angle of use of the dispersing plate, the adjustment motor is turned on, and the rotation of the first adjustment gear drives the adjustment shaft to rotate. By adjusting the connection of the bevel gear set, the angle of use of the dispersing plate is changed, so as to achieve the effect of fully dispersing and stirring the sludge after screening and fully dispersing and mixing the solidifying agent.

[0027] 2. The vibrating screening mechanism of this invention enables the screening of the pumped sludge, preventing impurities from affecting the quality of sludge compaction. The servo motor can be turned on to drive the first turntable to rotate, which in turn drives the pull rod to rotate, causing the vibrating screen plate to slide back and forth along the inner wall of the limiting groove, and to perform a reciprocating squeezing motion on the spring, so that the sludge is fully screened and falls into the collection box for storage and use.

[0028] 3. The spray nozzle and cleaning scraper of this invention, when conveying sludge through the conveyor belt on the first conveyor frame for a long time, in order to improve the self-cleaning effect of the conveyor belt during rotation and improve the conversion and utilization of the mechanical energy of the conveyor belt, the rotation of the conveyor roller drives the second turntable to rotate. The rotation of the second turntable drives the fixed column to slide back and forth along the inner wall of the chute, and drives the lifting rod to move back and forth, so that the piston rod moves back and forth in the fixed cylinder. At the same time, under the connection of the connecting rod, the cleaning scraper is driven to move synchronously, so as to achieve the effect of blowing and scraping the conveyor belt for cleaning. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the overall side view structure of the present invention;

[0031] Figure 3 This is a schematic diagram of the internal structure of the mixing tank of the present invention;

[0032] Figure 4 This is a schematic diagram of the connection structure between the pull rod and the first turntable of the present invention;

[0033] Figure 5 This is a schematic diagram of the position distribution structure of the dispersing spiral roller of the present invention;

[0034] Figure 6 This is a schematic diagram of the connection structure between the second turntable and the fixed column of the present invention;

[0035] Figure 7 This is a schematic diagram of the connection structure between the connecting rod and the cleaning scraper of the present invention;

[0036] Figure 8 This is a schematic diagram of the piston rod position distribution structure of the present invention;

[0037] Figure 9 This is a schematic diagram of the vent hole location distribution structure of the present invention;

[0038] Figure 10 This is a schematic diagram of the rotary joint position distribution structure of the present invention;

[0039] Figure 11 This is a schematic diagram of the positional distribution structure of the first adjusting gear and the second adjusting gear of the present invention;

[0040] Figure 12 This is a schematic diagram of the position distribution structure of the adjustable bevel gear set according to the present invention.

[0041] The labels in the attached diagram are:

[0042] 1. Box body; 2. First conveyor frame; 3. Guide plate; 4. Collection box; 5. Vibrating screening mechanism; 501. Servo motor; 502. First turntable; 503. Pull rod; 504. Vibrating screen plate; 505. Limiting groove; 506. Spring; 6. Conveying cylinder; 7. Conveying pipe; 8. Mixing tank; 9. Second conveyor frame; 10. Compaction box; 11. Feeding conveyor belt; 12. Electric push rod; 13. Pushing plate; 14. Conveying spiral roller; 15. Mixing mechanism; 1501. Drive motor; 1502. Feed inlet; 1503. Rotating shaft; 1504. Dispersing spiral roller; 15 05. Dispersing plate; 1506. Electric heating wire; 1507. Turbine blade; 1508. Air pump body; 1509. Air delivery pipe; 1510. Rotary joint; 1511. Aeration hole; 1512. Adjusting motor; 1513. First adjusting gear; 1514. Second adjusting gear; 1515. Adjusting shaft; 1516. Adjusting bevel gear set; 16. Conveying roller; 17. Second turntable; 18. Fixed column; 19. Lifting rod; 20. Slide groove; 21. Fixed cylinder; 22. Piston rod; 23. Injection pipe; 24. Injection nozzle; 25. Connecting rod; 26. Cleaning scraper. Detailed Implementation

[0043] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0044] Example 1:

[0045] Please see Figures 1 to 12 This embodiment provides an environmentally friendly treatment device and process for dredged sludge, including a box body 1. A first conveyor frame 2 is provided on one side of the box body 1. A guide plate 3 is fixedly connected to the outer wall of the first conveyor frame 2. A collection box 4 is provided on one side of the guide plate 3. A vibrating screening mechanism 5 is provided on the top of the collection box 4. A conveying cylinder 6 is provided on the outer wall of the collection box 4. A conveying pipe 7 is provided on the outer wall of the conveying cylinder 6. A mixing tank 8 is fixedly connected to one end of the conveying pipe 7. A second conveyor frame 9 is provided at the bottom of the mixing tank 8. A compaction box 10 is provided on one side of the second conveyor frame 9. A feeding conveyor belt 11 is provided on one side of the compaction box 10. A mixing mechanism 15 is provided inside the mixing tank 8.

[0046] The mixing mechanism 15 includes a dispersing spiral roller 1504 and a dispersing plate 1505. A drive motor 1501 is mounted on the top of the mixing tank 8. A rotating shaft 1503 is fixedly connected to the output end of the drive motor 1501. A turbine blade 1507 is fixedly connected to one end of the rotating shaft 1503. The dispersing spiral roller 1504 is fixedly connected to the outer wall of the rotating shaft 1503. The dispersing plate 1505 is rotatably connected to the inner wall of the mixing tank 8. An electric heating wire 1506 is installed inside the mixing tank 8. An air pump body 1508 is mounted on the top of the mixing tank 8. An air supply pipe 1509 is mounted on the outer wall of the air pump body 1508. A rotary joint 1510 is fixedly connected to one end of the air supply pipe 1509. The surface of the turbine blade 1507 has vent holes 1511, which can disperse the sludge after screening, preventing sludge crusting and insufficient mixing of the solidifying agent and sludge, thus reducing the quality of subsequent sludge compaction. After the sludge is transported into the mixing tank 8, the drive motor 1501 is turned on, and the rotation of the rotating shaft 1503 drives the dispersing spiral roller 1504 to rotate synchronously, which in turn drives the turbine blades 1507 to rotate, causing the sludge to flow and mix from bottom to top. At the same time, the air pump is turned on, and the gas is transported into the turbine blades 1507 through the air supply pipe 1509 and the rotary joint 1510, and flows out through the aeration holes 1511 to achieve the effect of aeration and mixing of the sludge. Meanwhile, according to the required angle of use of the dispersing plate 1505, the adjusting motor 1512 is turned on, and the rotation of the first adjusting gear 1513 drives the adjusting shaft 1515 to rotate. By adjusting the connection of the bevel gear set 1516, the angle of use of the dispersing plate 1505 is changed, so as to achieve the effect of fully dispersing and mixing the sludge and the solidifying agent after screening.

[0047] like Figure 4 and Figure 11 As shown, an electric push rod 12 is provided on the outer wall of the collection box 4. One end of the electric push rod 12 is fixedly connected to a push plate 13. The turbine blade 1507 has a hollow interior. An adjusting motor 1512 is provided at the bottom of the mixing tank 8. A first adjusting gear 1513 is fixedly connected to the output end of the adjusting motor 1512. A second adjusting gear 1514 meshes with the outer wall of the first adjusting gear 1513. An adjusting shaft 1515 is fixedly connected to the rotation center of the first adjusting gear 1513. An adjusting bevel gear set 1516, which is fixedly connected to the rotation center of the dispersing plate 1505, is fixedly connected to the outer wall of the adjusting shaft 1515. The rotation center of the second adjusting gear 1514 is sleeved on the outer wall of the rotary joint 1510. This facilitates the convenient pushing and use of the screened sludge through the setting of the push plate 13.

[0048] like Figure 5 , Figure 11 and Figure 12As shown, the top of the mixing tank 8 is provided with a feed inlet 1502. The electric heating wire 1506 is arranged in three sections inside the mixing tank 8. The adjusting bevel gear set 1516 and the dispersing plate 1505 are paired one-to-one. The adjusting bevel gear set 1516 is distributed in a straight line on the outer wall of the adjusting shaft 1515. There are four sets of first adjusting gears 1513. The positions of the four sets of first adjusting gears 1513 are equidistant from the rotation center of the second adjusting gear 1514. This facilitates the segmented heating effect of the sieved sludge during dispersal by the electric heating wire 1506 arranged in three sections inside the mixing tank 8.

[0049] like Figure 5 As shown, the dispersing spiral roller 1504 is a cone shape with a larger upper part and a smaller lower part. The dispersing plate 1505 is distributed in a ring shape inside the mixing tank 8. The inner wall of the conveying cylinder 6 is rotatably connected to the conveying spiral roller 14, which is conducive to improving the full flow effect of sludge during mixing by using the cone shape of the dispersing spiral roller 1504 with a larger upper part and a smaller lower part.

[0050] like Figure 4 As shown, the vibrating screening mechanism 5 includes a vibrating screen plate 504 and a spring 506. A servo motor 501 is installed on the outer wall of the collection box 4. A first turntable 502 is fixedly connected to the output end of the servo motor 501. A pull rod 503 is rotatably connected to the outer wall of the first turntable 502. One end of the pull rod 503 is rotatably connected to the vibrating screen plate 504, which is slidably connected to the outer wall of the collection box 4. A limit groove 505 is provided at the connection between the outer wall of the collection box 4 and the vibrating screen plate 504. The outer wall of 04 is fixedly connected to a spring 506, which is also fixedly connected to the outer wall of the collection box 4. This allows for the screening of the pumped sludge, preventing impurities from affecting the quality of the sludge compaction. The servo motor 501 can be turned on, and the rotation of the first turntable 502, through the rotation of the pull rod 503, drives the vibrating screen plate 504 to slide back and forth along the inner wall of the limiting groove 505, and performs a back and forth squeezing motion on the spring 506, so that the sludge is fully screened and falls into the collection box 4 for storage and use.

[0051] like Figure 4 As shown, the outer wall contour of the vibrating screen plate 504 is U-shaped, and two sets of springs 506 are provided. The positions of the two sets of springs 506 are symmetrical about the central axis of the vibrating screen plate 504, which is conducive to achieving the effect of fully screening the sludge sucked up by the U-shaped outer wall contour of the vibrating screen plate 504.

[0052] like Figure 8 and Figure 9As shown, a conveying roller 16 is rotatably connected to the outer wall of the first conveying frame 2. A second turntable 17 is fixedly connected to the rotation center of the conveying roller 16. A fixed column 18 is fixedly connected to the outer wall of the second turntable 17. A lifting rod 19 is slidably connected to the outer wall of the fixed column 18 and is slidably connected to the outer wall of the first conveying frame 2. A fixed cylinder 21 is fixedly connected to the outer wall of the first conveying frame 2. A piston rod 22 is fixedly connected to the outer wall of the lifting rod 19 and is slidably connected to the inner wall of the fixed cylinder 21. When the sludge is transported for a long time via the conveyor belt on the first conveying frame 2... In order to improve the self-cleaning effect of the conveyor belt during rotation and to improve the conversion and utilization of the mechanical energy of the conveyor belt, the rotation of the conveyor roller 16 drives the second turntable 17 to rotate. The rotation of the second turntable 17 drives the fixed column 18 to slide back and forth along the inner wall of the slide groove 20, and drives the lifting rod 19 to move back and forth. This causes the piston rod 22 to move back and forth in the fixed cylinder 21. At the same time, under the connection of the connecting rod 25, the cleaning scraper 26 is driven to move synchronously, so as to achieve the effect of blowing and scraping the conveyor belt.

[0053] like Figure 8 As shown, a spray pipe 23 is fixedly connected to the bottom of the fixed cylinder 21, and spray nozzles 24 distributed in a straight line are fixedly connected to the outer wall of the spray pipe 23. This facilitates the convenient blowing and cleaning of dust through the arrangement of the spray pipe 23 and the spray nozzles 24.

[0054] like Figure 7 As shown, a connecting rod 25 is fixedly connected to the outer wall of the lifting rod 19, and a cleaning scraper 26 is fixedly connected to one end of the connecting rod 25. A groove 20 is provided at the connection between the outer wall of the lifting rod 19 and the fixed column 18, which is conducive to achieving the effect of simultaneously scraping and cleaning impurities on the surface of the conveyor belt through the setting of the connecting rod 25 and the cleaning scraper 26.

[0055] An environmentally friendly treatment process for dredged sludge includes the following steps:

[0056] Step S1: The silt is pumped into the container 1 by a dredging vessel and then transported through the first conveyor frame 2.

[0057] Step S2: The sludge conveyed by the first conveyor frame 2 is transported to the vibrating screening mechanism 5 set on the collection box 4 for reciprocating screening motion to screen the stones and larger impurities carried in the sludge.

[0058] Step S3: The sludge after screening is transported to the mixing tank 8 through the conveying cylinder 6 and the conveying pipe 7 for dispersing treatment, and a solidifying agent is added so that the sludge is fully solidified and mixed during the dispersing process.

[0059] Step S4: The fully solidified sludge is transported to the compaction box 10 through the second conveyor frame 9 for compaction, and then discharged through the feeding conveyor belt 11.

[0060] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. An environmentally friendly treatment device for dredged sludge, comprising a housing (1), characterized in that: A first conveyor frame (2) is provided on one side of the box (1). A guide plate (3) is fixedly connected to the outer wall of the first conveyor frame (2). A collection box (4) is provided on one side of the guide plate (3). A vibrating screening mechanism (5) is provided on the top of the collection box (4). A conveying cylinder (6) is provided on the outer wall of the collection box (4). A conveying pipe (7) is provided on the outer wall of the conveying cylinder (6). A mixing tank (8) is fixedly connected to one end of the conveying pipe (7). A second conveyor frame (9) is provided at the bottom of the mixing tank (8). A compaction box (10) is provided on one side of the second conveyor frame (9). A feeding conveyor belt (11) is provided on one side of the compaction box (10). A mixing mechanism (15) is provided inside the mixing tank (8). The mixing mechanism (15) includes a dispersing spiral roller (1504) and a dispersing plate (1505). A drive motor (1501) is provided on the top of the mixing tank (8). A rotating shaft (1503) is fixedly connected to the output end of the drive motor (1501). A turbine blade (1507) is fixedly connected to one end of the rotating shaft (1503). A dispersing spiral roller (1504) is fixedly connected to the outer wall of the rotating shaft (1503). A dispersing plate (1505) is rotatably connected to the inner wall of the mixing tank (8). An electric heating wire (1506) is provided inside the mixing tank (8). An air pump body (1508) is provided on the top of the mixing tank (8). An air supply pipe (1509) is provided on the outer wall of the air pump body (1508). A rotary joint (1510) is fixedly connected to one end of the air supply pipe (1509). An explosion hole (1511) is opened on the surface of the turbine blade (1507).

2. The environmentally friendly sludge treatment equipment according to claim 1, characterized in that: The outer wall of the collection box (4) is provided with an electric push rod (12), one end of which is fixedly connected to a push plate (13). The inside of the turbine blade (1507) is hollow. The bottom of the mixing tank (8) is provided with an adjusting motor (1512). The output end of the adjusting motor (1512) is fixedly connected to a first adjusting gear (1513). The outer wall of the first adjusting gear (1513) is meshed with a second adjusting gear (1514). The rotation center of the first adjusting gear (1513) is fixedly connected to an adjusting shaft (1515). The outer wall of the adjusting shaft (1515) is fixedly connected to an adjusting bevel gear set (1516) that is fixedly connected to the rotation center of the dispersing plate (1505). The rotation center of the second adjusting gear (1514) is sleeved on the outer wall of the rotary joint (1510).

3. The environmentally friendly sludge treatment equipment according to claim 2, characterized in that: The mixing tank (8) is provided with a feed inlet (1502) at the top. The electric heating wire (1506) is arranged in three sections inside the mixing tank (8). The adjusting bevel gear set (1516) and the dispersing plate (1505) are paired one-to-one. The adjusting bevel gear set (1516) is distributed in a straight line on the outer wall of the adjusting shaft (1515). There are four sets of the first adjusting gear (1513). The positions of the four sets of the first adjusting gear (1513) are equidistant from the rotation center of the second adjusting gear (1514).

4. The environmentally friendly sludge treatment equipment according to claim 1, characterized in that: The dispersing spiral roller (1504) is a cone shape with a larger top and a smaller bottom. The dispersing plate (1505) is distributed in a ring shape inside the mixing tank (8). The inner wall of the conveying cylinder (6) is rotatably connected to the conveying spiral roller (14).

5. The environmentally friendly sludge treatment equipment according to claim 1, characterized in that: The vibrating screening mechanism (5) includes a vibrating screen plate (504) and a spring (506). A servo motor (501) is provided on the outer wall of the collection box (4). The output end of the servo motor (501) is fixedly connected to a first turntable (502). A pull rod (503) is rotatably connected to the outer wall of the first turntable (502). One end of the pull rod (503) is rotatably connected to a vibrating screen plate (504) that is slidably connected to the outer wall of the collection box (4). A limit groove (505) is provided at the connection between the outer wall of the collection box (4) and the vibrating screen plate (504). A spring (506) that is fixedly connected to the outer wall of the collection box (4) is fixedly connected to the outer wall of the vibrating screen plate (504).

6. The environmentally friendly sludge treatment equipment according to claim 5, characterized in that: The outer wall of the vibrating screen plate (504) has a U-shaped outline. Two sets of springs (506) are provided, and the positions of the two sets of springs (506) are symmetrical about the central axis of the vibrating screen plate (504).

7. The environmentally friendly sludge treatment equipment according to claim 1, characterized in that: The outer wall of the first conveyor frame (2) is rotatably connected to a conveyor roller (16), the rotation center of the conveyor roller (16) is fixedly connected to a second turntable (17), the outer wall of the second turntable (17) is fixedly connected to a fixed column (18), the outer wall of the fixed column (18) is slidably connected to a lifting rod (19) which is slidably connected to the outer wall of the first conveyor frame (2), the outer wall of the first conveyor frame (2) is fixedly connected to a fixed cylinder (21), and the outer wall of the lifting rod (19) is fixedly connected to a piston rod (22) which is slidably connected to the inner wall of the fixed cylinder (21).

8. The environmentally friendly sludge treatment equipment according to claim 7, characterized in that: The bottom of the fixed cylinder (21) is fixedly connected to a spray pipe (23), and the outer wall of the spray pipe (23) is fixedly connected to spray nozzles (24) distributed in a straight line.

9. The environmentally friendly sludge treatment equipment according to claim 8, characterized in that: A connecting rod (25) is fixedly connected to the outer wall of the lifting rod (19), and a cleaning scraper (26) is fixedly connected to one end of the connecting rod (25). A sliding groove (20) is provided at the connection between the outer wall of the lifting rod (19) and the fixed column (18).

10. An environmentally friendly treatment process for dredged sludge, comprising the environmentally friendly treatment equipment for dredged sludge according to any one of claims 1-9, characterized in that, Includes the following steps: Step S1: The silt is pumped into the container (1) by the dredging vessel and transported through the first conveyor frame (2); Step S2: The sludge conveyed by the first conveyor frame (2) is transported to the vibrating screening mechanism (5) set on the collection box (4) for reciprocating screening motion to screen the stones and larger impurities carried in the sludge. Step S3: The sludge after screening is transported to the mixing tank (8) through the conveying cylinder (6) and the conveying pipe (7) for dispersing treatment, and a solidifying agent is added so that the sludge is fully solidified and mixed during the dispersing process. Step S4: The fully solidified sludge is transported to the compaction box (10) through the second conveyor frame (9) for compaction, and then discharged and transported by the feeding conveyor belt (11).

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