An on-line fishing and dewatering treatment equipment and method for Taihu Lake sediment

Abstract

The present invention discloses an online catching and dehydrating treatment device and method for the bottom mud of Taihu Lake, which specifically relates to the field of bottom mud catching, including a catching mechanism, the outer wall of which is rotatably mounted with a blocking mechanism, the catching mechanism comprising a bottom mud cover tube, the outer wall of which is spirally fixedly mounted with a rotary tillage blade, the top of which is fixedly mounted with a guide plate, the top of which is fixedly mounted with a first bracket, the top of which is fixedly mounted with a support plate, and the blocking mechanism comprising a first swivel rotatably mounted on the outer wall of the support plate. The present invention is provided with a first stirring mechanism for stirring the bottom mud in the center of the bottom mud cover tube, and during the stirring process, a flocculant is extruded to mix with the bottom mud, and then combined with the provision of a second stirring mechanism, the bottom mud at the bottom of the bottom mud cover tube can be flipped up and down again, and then the bottom mud and the flocculant in the inner cavity of the bottom mud cover tube are fully mixed, so as to accelerate the flocculation and dehydration of the bottom mud.

Description

Technical Field

[0001] The present invention relates to the technical field of sediment fishing, and more specifically, the present invention relates to an online fishing and dehydration treatment device and method for Taihu Lake sediment. Background Art

[0002] River and lake sediments are usually a mixture of clay, sediment, organic matter and various minerals, which are formed by long-term physical, chemical and biological actions and water body transportation and deposited at the bottom of the water body. The sediment with a thickness of 0 to 15 cm on the surface is called surface sediment, and the sediment with a thickness exceeding 15 cm is called deep sediment.

[0003] Chinese Invention Publication Specification CN201911285683.9 discloses a plate and frame pressure filtration dehydration method for river and lake sediments. After the river and lake sediment slurry is slag-removed, it enters the sludge pipeline, is mixed with a flocculant, and then enters a thickening tank for mud-water separation. After the turbidity of the supernatant meets the requirements, it is transported to the tail water treatment system; after the slurry reaches a certain concentration, it enters a stirring tank, a filter aid is added, and it is fully stirred; after full reaction, the slurry enters a plate and frame filter press. After the pressure filtration dehydration is completed, compressed air is introduced to clean the filter press tank, and then the filter cake is removed, and the tail water is transported back to the thickening tank. The filter aid of the present invention is an environment-friendly filter aid for sediment conditioning, which can effectively accelerate mud-water separation, does not affect the pH value of the mud-water, greatly reduces the dosage of the conditioning agent, and the sediment after mud-water separation can be used for backfill soil or greening planting soil, realizing the resource utilization and sustainable utilization of river and lake sediments; in addition, compressed air is introduced by an air compressor to clean the pipeline, and the air compressor adds the function of assisting in cleaning the filter press tank on the basis of providing pressure, making full use of existing equipment and energy.

[0004] However, at present, the work of fishing and dehydrating sediment is mostly carried out separately. Therefore, after the sediment is fished out, it needs to be precipitated and then dehydrated again. The overall process is very time-consuming, which affects the overall work efficiency and is not convenient for actual use. Therefore, the present invention proposes an online fishing and dehydration treatment device for Taihu Lake sediment to solve the above problems. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides an online fishing and dehydration treatment device and method for Taihu Lake sediment. By setting a first stirring mechanism for stirring the sediment in the central part of the sediment hood cylinder, and extruding a flocculant to mix with the sediment during the stirring process, and then combining the setting of the second stirring mechanism, the sediment at the bottom of the sediment hood cylinder can be turned up and down again to solve the problems raised in the above background art.

[0006] To achieve the above object, the present invention provides the following technical solutions: An on-line fishing and dehydration treatment device for Taihu Lake sediment, including a fishing mechanism, on the outer wall of which a surrounding mechanism is rotatably installed. The fishing mechanism includes a sediment cover cylinder, on the outer wall of which rotary tillage blades are fixedly installed in a spiral shape. At the top of the sediment cover cylinder, a guide plate is fixedly installed, and at the top of the guide plate, a first bracket is fixedly installed, and on the top of the first bracket, a supporting plate is fixedly installed.

[0007] The surrounding mechanism includes a first rotating ring rotatably installed on the outer wall of the supporting plate. On the outer wall of the first rotating ring, a plurality of first support rods are hinged. At one end of each of the plurality of first support rods, a baffle is fixedly installed, and each of the plurality of first support rods is also hinged with a second support rod. At the end of the second support rod away from the first support rod, a second rotating ring is fixedly installed. The second rotating ring is arranged on the top of the guide plate, and on one side of the second rotating ring, a connecting mechanism for driving its rotation and vertical movement is rotatably installed. On the outer wall of the sediment cover cylinder, a number of first water filtering holes are arranged at equal intervals in a circular shape in sequence, and a plurality of second water filtering holes are opened at the bottom of the sediment cover cylinder.

[0008] Inside the sediment cover cylinder, a first stirring mechanism for rotating and spraying flocculant liquid is provided, and at the bottom of the first stirring mechanism, a second stirring mechanism for turning the sediment at the bottom of the sediment cover cylinder is fixedly connected.

[0009] In a preferred embodiment, a positioning rod is fixedly installed at the bottom of the sediment cover cylinder. On the outer wall of the positioning rod, a filter plate is installed in a vertically sliding state. At the bottom of the filter plate, a plurality of piston blocks are fixedly installed, and each of the plurality of piston blocks is respectively inserted into the inner cavity of the second water filtering hole.

[0010] In a preferred embodiment, the first stirring mechanism includes a waterproof motor arranged at the top of the sediment cover cylinder. On both sides of the waterproof motor, second brackets are fixedly installed. One end of the second bracket is fixedly connected with a third bracket, and the third bracket is fixedly installed on the top of the supporting plate.

[0011] The end of the output shaft of the waterproof motor is fixedly connected with a rotating shaft. On the outer wall of the rotating shaft, a liquid storage cylinder is fixedly installed. At the bottom of the rotating shaft, a vacuum groove is opened. The bottom of the liquid storage cylinder is communicated with a first conduit, and the first conduit and the vacuum groove are arranged in a mutually communicating state. And on the outer wall of the rotating shaft, a plurality of second conduits communicating with the vacuum groove are fixedly installed.

[0012] In a preferred embodiment, the second stirring mechanism includes a limiting cover fixedly installed on the outer wall of the rotating shaft. At the bottom of the limiting cover, a first moving column is inserted in a vertically sliding state. At the top of the first moving column, a piston rod is fixedly installed, and the piston rod is inserted in a vertically sliding state into the inner cavity of the vacuum groove.

[0013] In a preferred embodiment, two positioning plates are fixedly installed on the outer wall of the first moving column. On one side of each of the two positioning plates, a positioning block is rotatably installed. A bending groove is formed on the outer wall of the rotating shaft extending into the inner cavity of the limiting cover. The two positioning blocks are both slidably installed inside the bending groove, and the two positioning blocks are symmetrically arranged with respect to the vertical center line of the rotating shaft.

[0014] In a preferred embodiment, a support seat is fixedly installed at the bottom of the limiting cover. The bottom of the first moving column is fixedly connected to a second moving column. The second moving column passes through the support seat and is arranged in a vertically sliding state, and a plurality of first turning plates are fixedly installed at the end of the second moving column passing through the support seat. A plurality of second turning plates are fixedly installed on one side of each of the plurality of first turning plates;

[0015] A limiting groove is formed on the outer wall of the second moving column, and a limiting block is fixedly installed on the inner wall of the support seat. The limiting block is slidably installed inside the inner cavity of the limiting groove.

[0016] In a preferred embodiment, the plurality of first turning plates are arranged in an annular and equally spaced state in sequence with respect to the outer circumferential surface of the second moving column, and the lengths of the plurality of second turning plates arranged on one side of the first turning plate increase sequentially from top to bottom.

[0017] In a preferred embodiment, the connection mechanism includes a first gear plate fixedly installed on the outer wall of the rotating shaft. A second gear plate is rotatably installed on the top of the supporting plate. The second gear plate is in a meshing state with the first gear plate. A third gear plate is fixedly connected to the top of the second gear plate. A gear ring is meshed with the outer wall of the third gear plate. The gear ring is fixedly installed on one side of the first rotating ring;

[0018] A first threaded screw rod is rotatably installed at the bottom of the supporting plate. The first threaded screw rod is fixedly connected to the second gear plate, and a threaded sleeve is meshed with the outer wall of the first threaded screw rod. A sliding sleeve is fixedly installed on the outer wall of the threaded sleeve. The sliding sleeve is slidably installed on the outer wall of the first bracket, and the second rotating ring is rotatably installed on the outer wall of the sliding sleeve.

[0019] In a preferred embodiment, a connecting rod is fixedly connected to the bottom of the first threaded screw rod. The connecting rod passes through the flow guiding plate and is rotatably installed inside the flow guiding plate. A second threaded screw rod is fixedly connected to the bottom of the connecting rod. The second threaded screw rod is meshed with the outer wall of the filter plate.

[0020] In a preferred embodiment, a method for using an online bottom mud fishing and dewatering treatment device in Taihu Lake is as follows:

[0021] S1. First, the third bracket is connected and fixed to the external motor, and then the device is extended as a whole into the lake bottom, so that the bottom mud cover cylinder contacts the lake bottom, and then the motor is started to rotate so that the bottom mud cover cylinder and the rotary tillage blades rotary till the lake bottom to form a pit, and the bottom mud cover cylinder is gradually rotated and moved down into the pit;

[0022] S2. When the bottom mud cover tube moves downward and rotates to the inside of the pit hole, the waterproof motor is started to make the rotating shaft drive the first gear plate to rotate, and the third gear plate drives the gear ring to rotate, and then when the first rotating ring and the second support rod rotate, the sliding sleeve can synchronously drive one end of the second support rod to move downward, and then the first support rod expands outward and rotates on the outer peripheral surface of the pit hole until the guide plate is flush with the pit hole surface. A plurality of baffles also surround the outer periphery of the pit hole to enclose the bottom mud that is rotated out, so that the bottom mud can flow into the inner cavity of the bottom mud cover tube, so as to realize rapid fishing operation;

[0023] S3. During the rotation of the rotating shaft, the second conduit is synchronously driven to rotate and stir in the bottom mud in the inner cavity of the bottom mud cover tube. At the same time, along the trajectory of the rotating bending groove, the positioning block can drive the positioning plate and the first movable column to move up and down as a whole, so that the piston rod is pulled up and down in the inner cavity of the vacuum groove, and the flocculation liquid in the inner cavity of the liquid storage cylinder is extracted and dispersed into the inner cavities of multiple second conduits, and is thrown out during the rotation process to be fully mixed with the bottom mud and receive flocculation and dehydration;

[0024] S4, according to S3, when the first movable column moves up and down as a whole, the second movable column can also move up and down, so that the plurality of first flipping plates and the second flipping plates flip the bottom mud at the bottom of the bottom mud cover tube up and down, thereby fully mixing the bottom mud with the flocculant again;

[0025] S5. According to S2, while the first threaded screw rotates, the connecting rod can drive the second threaded screw to rotate, so that the filter plate at the bottom of the bottom mud cover tube can be moved up and down, and the second water filter hole at the bottom of the bottom mud cover tube can be opened and closed intermittently, and then the water in the bottom mud can be discharged intermittently and continuously, thereby realizing the simultaneous dehydration of the bottom mud during the fishing operation.

[0026] Technical effects and advantages of the present invention:

[0027] 1. The present invention provides a first stirring mechanism for stirring the bottom mud in the center of the bottom mud cover tube in the inner cavity of the bottom mud cover tube, and the first stirring mechanism extrudes the flocculant and mixes it with the bottom mud during the stirring process, and then combined with the setting of the second stirring mechanism, the bottom mud at the bottom of the bottom mud cover tube can be turned up and down again, and then the bottom mud in the inner cavity of the bottom mud cover tube and the flocculant are fully mixed synchronously during the fishing operation, thereby accelerating the flocculation and dehydration of the bottom mud;

[0028] 2. The present invention provides a rotary pit-digging mud cover and a rotary tillage blade, so that when digging a pit on the lake bottom, the mud can flow into the inner cavity of the mud cover, and the floating water mixed in the mud can be discharged outward through the first filter hole and the second filter hole, thereby avoiding the situation in which the traditional method of fishing mud by digging causes the lake bottom to be turned over too large an area, and the impurities on the lake bottom are mixed into the lake water, which affects the water quality;

[0029] 3. The present invention provides a blocking mechanism on the outer wall of the catching mechanism, so that the sludge spun out by the sludge cover tube and the rotary tillage blade is limited and blocked at the outer periphery of the pit hole, and then the spun out sludge is blocked at the outer periphery top of the pit hole by a plurality of baffles, and then after the guide plate is flush with the surface of the pit hole, it can flow into the inner cavity of the sludge cover tube, and then the catching of the sludge is simpler and more convenient for practical use;

[0030] 4. The present invention combines the settings of the filter plate and the connecting mechanism, so that the filter plate can intermittently and continuously move up and down at the bottom of the bottom mud cover tube, so that the second water filter hole can be opened and closed, and then the bottom mud can be intermittently dehydrated, thereby avoiding the situation where the coagulant flows out before the bottom mud is mixed with the flocculant, thereby affecting the actual dehydration quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0032] Figure 2 It is a structural schematic diagram of the fishing mechanism of the present invention.

[0033] Figure 3 It is a structural cross-sectional view of the fishing mechanism of the present invention.

[0034] Figure 4 For the present invention Figure 3 A-section structure enlarged view.

[0035] Figure 5 It is a schematic structural diagram of the enclosing mechanism, the first stirring mechanism, the second stirring mechanism, and the connecting mechanism of the present invention.

[0036] Figure 6 It is a structural cross-sectional view of the first stirring mechanism and the second stirring mechanism of the present invention.

[0037] Figure 7 For the present invention Figure 6 Enlarged view of the structure of part B.

[0038] Figure 8 It is a front cross-sectional view of the overall structure of the present invention.

[0039] Figure 9 For the present invention Figure 8Enlarged view of the C part structure.

[0040] Figure 10 This is for the present invention Figure 8 Enlarged view of the D part structure.

[0041] Figure 11 This is the side sectional view of the overall structure of the present invention.

[0042] Figure 12 This is for the present invention Figure 11 Enlarged view of the E part structure.

[0043] Figure 13 This is for the present invention Figure 11 Enlarged view of the F part structure.

[0044] The reference numerals in the drawings are: 1 fishing mechanism, 101 bottom mud cover cylinder, 102 rotary tillage blade, 103 deflector, 104 first bracket, 105 supporting plate, 106 first water filtering hole, 107 second water filtering hole, 108 positioning rod, 109 filter plate, 110 piston block, 2 enclosing mechanism, 21 first rotating ring, 22 first support rod, 23 baffle plate, 24 second support rod, 25 second rotating ring, 3 first stirring mechanism, 31 waterproof motor, 32 second bracket, 33 third bracket, 34 rotating shaft, 35 liquid storage cylinder, 36 vacuum tank, 37 first conduit, 38 second conduit, 4 second stirring mechanism, 41 limiting cover, 42 first moving column, 43 piston rod, 44 positioning plate, 45 positioning block, 46 bending groove, 47 support seat, 48 second moving column, 49 limiting groove, 410 limiting block, 411 first turning plate, 412 second turning plate, 5 connecting mechanism, 51 first gear plate, 52 second gear plate, 53 third gear plate, 54 gear ring, 55 first threaded lead screw, 56 threaded sleeve, 57 sliding sleeve, 58 connecting rod, 59 second threaded lead screw. Embodiment

[0045] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0046] Referring to the attached Figures 1 - 13 to the description, a Taihu Lake bottom mud on-line fishing and dehydration treatment device according to an embodiment of the present invention is as Figure 1 shown, including a fishing mechanism 1, and an enclosing mechanism 2 is rotatably installed on the outer wall of the fishing mechanism 1. Referring to Figure 2As shown in the figure, the dredging mechanism 1 includes a bottom mud cover cylinder 101. A rotary tillage blade 102 is fixedly installed on the outer wall of the bottom mud cover cylinder 101 in a spiral shape. A guide plate 103 is fixedly installed at the top of the bottom mud cover cylinder 101. A first bracket 104 is fixedly installed at the top of the guide plate 103. A supporting plate 105 is fixedly installed at the top of the first bracket 104. When in use, by fixedly connecting the supporting plate 105 with an external motor, when the external motor is started, the supporting plate 105 can drive the bottom mud cover cylinder 101 and the rotary tillage blade 102 to rotate. Thus, when the whole device is extended into the bottom of the water, the bottom of the water can be rototilled to form a pit until the whole bottom mud cover cylinder 101 is completely inserted into the pit, and when the guide plate 103 is flush with the lake bottom surface, the rotation can be stopped. After that, the bottom mud that is rotated and accumulated around the pit opening will flow into the inner cavity of the bottom mud cover cylinder 101 from high to low, thereby realizing the rapid dredging of the bottom mud;

[0047] Refer to Figures 8 - 9 As shown in the figure, the enclosure mechanism 2 includes a first rotating ring 21 rotatably installed on the outer wall of the supporting plate 105. A plurality of first struts 22 are hinged on the outer wall of the first rotating ring 21. One ends of the plurality of first struts 22 are fixedly installed with baffles 23, and a plurality of first struts 22 are all hinged with second struts 24. The end of the second strut 24 far from the first strut 22 is fixedly installed with a second rotating ring 25. The second rotating ring 25 is arranged on the top of the guide plate 103, and a connecting mechanism 5 for driving its rotation and vertical movement is rotatably installed on one side of the second rotating ring 25. When in use, when the bottom mud cover cylinder 101 and the rotary tillage blade 102 are rotated to rototill the lake bottom to form a pit, the second strut 24 can be synchronously moved downward to limit and push the first strut 22 to expand and deflect away from the bottom mud cover cylinder 101. Thus, the plurality of baffles 23 are annularly expanded on the surface of the bottom mud and rotate with the rotation of the bottom mud cover cylinder 101, so as to limit and enclose the bottom mud in the dug pit. Therefore, after the rotation of the bottom mud cover cylinder 101 is stopped, the bottom mud accumulates around the pit and naturally falls into the inner cavity of the bottom mud cover cylinder 101, making the dredging of the bottom mud more convenient. Combined with Figures 3 - 4 As shown in the figure, a plurality of first water filtering holes 106 are arranged on the outer wall of the bottom mud cover cylinder 101 at equal intervals in a circular shape. A plurality of second water filtering holes 107 are opened at the bottom of the bottom mud cover cylinder 101. The second water filtering holes 107 penetrate through the bottom of the bottom mud cover cylinder 101 and can communicate with the outside. Thus, after the bottom mud falls into the inner cavity of the bottom mud cover cylinder 101 and the bottom mud cover cylinder 101 is pulled out of the water surface, some floating water in the bottom mud in the inner cavity of the bottom mud cover cylinder 101 can flow out from the first water filtering holes 106 and the second water filtering holes 107;

[0048] As Figure 8As shown in the figure, in order to achieve the separation of water in the bottom mud during the process of fishing out the bottom mud, a first stirring mechanism 3 for rotating and spraying flocculant solution is provided inside the bottom mud cover cylinder 101, so as to increase the full mixing of the flocculant solution and the fished-out bottom mud, thereby enhancing the flocculation dehydration effect. At the same time, a second stirring mechanism 4 for turning the bottom mud at the bottom of the bottom mud cover cylinder 101 is fixedly connected to the bottom of the first stirring mechanism 3, so as to avoid the problem that the bottom mud accumulates at the bottom for a long time without moving and blocks the second water filtering holes 107, affecting dehydration.

[0049] Further, referring to Figures 3 - 4 As shown in the figure, a positioning rod 108 is fixedly installed at the bottom of the bottom mud cover cylinder 101. A filter plate 109 is installed on the outer wall of the positioning rod 108 in a vertically sliding state. The filter plate 109 is provided to isolate the bottom mud from the second water filtering holes 107, so as to avoid the problem that the bottom mud is too viscous and blocks the second water filtering holes 107, thereby affecting the dehydration of the second water filtering holes 107. A plurality of piston blocks 110 are fixedly installed at the bottom of the filter plate 109. The plurality of piston blocks 110 are respectively inserted into the inner cavity of the second water filtering holes 107. The purpose of this setting is that when fishing out the bottom mud, the filter plate 109 can seal the second water filtering holes 107 one by one through the piston blocks 110. After fishing out the bottom mud, by moving the filter plate 109 upward to expose the gaps, and then making the piston blocks 110 away from the second water filtering holes 107, there is enough space for the water to flow out.

[0050] Further, referring to Figure 11 and Figure 13 As shown in the figure, the first stirring mechanism 3 includes a waterproof motor 31 arranged at the top of the bottom mud cover cylinder 101. Second brackets 32 are fixedly installed on both sides of the waterproof motor 31. One end of the second brackets 32 is fixedly connected to a third bracket 33. The third bracket 33 is fixedly installed on the top of the supporting plate 105. Therefore, when in use, after connecting the third bracket 33 to an external motor, the whole device can be driven to rotate synchronously. The output shaft end of the waterproof motor 31 is fixedly connected to a rotating shaft 34. A liquid storage cylinder 35 is fixedly installed on the outer wall of the rotating shaft 34. Combining Figure 7 As shown in the figure, a vacuum groove 36 is opened at the bottom of the rotating shaft 34. A first conduit 37 is communicated and arranged at the bottom of the liquid storage cylinder 35. The first conduit 37 and the vacuum groove 36 are in a mutually communicated state, and a plurality of second conduits 38 communicated with the vacuum groove 36 are fixedly installed on the outer wall of the rotating shaft 34. When in use, by starting the waterproof motor 31 to rotate, so that when the rotating shaft 34 drives the liquid storage cylinder 35 to rotate, a plurality of second conduits 38 can be synchronously driven to rotate and stir in the bottom mud in the inner cavity of the bottom mud cover cylinder 101.

[0051] At the same time, combining Figure 7 and Figure 10As shown in the figure, the second stirring mechanism 4 includes a limit cover 41 fixedly installed on the outer wall of the rotating shaft 34. A first moving column 42 is inserted into the bottom of the limit cover 41 in a vertically sliding state. A piston rod 43 is fixedly installed at the top of the first moving column 42. The piston rod 43 is inserted into the inner cavity of the vacuum groove 36 in a vertically sliding state. When the first moving column 42 moves up and down at the bottom of the limit cover 41, the piston rod 43 can be synchronously pulled up and down in the inner cavity of the vacuum groove 36, thereby changing the air pressure in the inner cavity of the vacuum groove 36. Then, the first conduit 37 sucks the flocculant liquid in the inner cavity of the storage cylinder 35 and enters the inner cavity of the vacuum groove 36, and then is discharged through a plurality of second conduits 38. Thus, the flocculant liquid is extruded from multiple directions in the inner cavity of the bottom mud cover cylinder 101 and mixed with the bottom mud. At the same time, referring to Figure 10 As shown in the figure, two positioning plates 44 are fixedly installed on the outer wall of the first moving column 42. A positioning block 45 is rotatably installed on one side of each of the two positioning plates 44. A bending groove 46 is formed on the outer wall of the rotating shaft 34 extending into the inner cavity of the limit cover 41. The two positioning blocks 45 are slidably installed inside the bending groove 46, and the two positioning blocks 45 are symmetrically arranged with respect to the vertical center line of the rotating shaft 34. The purpose of this setting is that when the rotating shaft 34 rotates as a whole, the bending groove 46 can be synchronously rotated and limited by the positioning block 45, so that the positioning plate 44 drives the first moving column 42 to move up and down at the bottom of the limit cover 41, and then synchronously drives the piston rod 43 to move up and down and pull in the inner cavity of the vacuum groove 36, so as to fully mix the flocculant liquid into the bottom mud and stir it.

[0052] At the same time, referring to Figure 10 As shown in the figure, a support seat 47 is fixedly installed at the bottom of the limit cover 41. A second moving column 48 is fixedly connected to the bottom of the first moving column 42. The second moving column 48 passes through the support seat 47 and is arranged in a vertically sliding state. One end of the second moving column 48 passing through the support seat 47 is fixedly installed with a plurality of first turning plates 411. A plurality of second turning plates 412 are fixedly installed on one side of each of the plurality of first turning plates 411. The purpose of this setting is that when the first moving column 42 moves up and down, it can synchronously drive the plurality of first turning plates 411 and the second turning plates 412 to move up and down and turn at the bottom of the bottom mud cover cylinder 101, so that the bottom mud in the inner cavity of the bottom mud cover cylinder 101 can be turned and stirred again, so that the bottom mud in the inner cavity of the bottom mud cover cylinder 101 is turned and mixed up and down, and the full mixing of the bottom mud and the flocculant liquid is enhanced again, and the flocculation dehydration effect is enhanced. Among them, in order to prevent the first moving column 42 from rotating synchronously when the rotating shaft 34 rotates and affecting the overall up and down displacement movement of the first moving column 42, combined with Figure 12 As shown in the figure, a limit groove 49 is formed on the outer wall of the second moving column 48. A limit block 410 is fixedly installed on the inner wall of the support seat 47. The limit block 410 is slidably installed inside the limit groove 49. Among them, referring to Figure 12As shown, a plurality of first turning plates 411 are arranged in an annular and equally spaced manner successively around the outer circumferential surface of the second moving column 48, and the lengths of the plurality of second turning plates 412 arranged on one side of the first turning plate 411 are set to increase successively from top to bottom. The purpose of such a setting is that when the first turning plate 411 is displaced to drive the plurality of second turning plates 412 to perform synchronous vertical displacement, through the setting of the second turning plates 412 with different lengths, the contact range with the bottom mud can be increased, and thus more bottom mud is agitated, which is more conducive to the full mixing of the bottom mud and the flocculating liquid.

[0053] Further, as shown in Figure 8 As shown, the connecting mechanism 5 includes a first gear plate 51 fixedly installed on the outer wall of the rotating shaft 34. Combining Figure 9 As shown, a second gear plate 52 is rotatably installed on the top of the supporting plate 105. The second gear plate 52 is arranged in a meshing state with the first gear plate 51. A third gear plate 53 is fixedly connected to the top of the second gear plate 52. A gear ring 54 is meshed with the outer wall of the third gear plate 53. The gear ring 54 is fixedly installed on one side of the first rotating ring 21. A first threaded screw rod 55 is rotatably installed at the bottom of the supporting plate 105. The first threaded screw rod 55 is fixedly connected to the second gear plate 52. A threaded sleeve 56 is meshed with the outer wall of the first threaded screw rod 55. A sliding sleeve 57 is fixedly installed on the outer wall of the threaded sleeve 56. The sliding sleeve 57 is slidably installed on the outer wall of the first bracket 104. The second rotating ring 25 is rotatably installed on the outer wall of the sliding sleeve 57. During use, when the second gear plate 52 rotates as a whole, the first threaded screw rod 55 can be driven to rotate, so that the threaded sleeve 56 and the sliding sleeve 57 initially located at the top of the first threaded screw rod 55 can gradually move downward, and then the end of the second support rod 24 away from the first support rod 22 gradually moves downward, so that the second support rod 24 can limit and support the first support rod 22, causing the first support rod 22 to expand, and then rotating the plurality of first support rods 22 and the baffle 23 synchronously around the outer circumference of the bottom mud cylinder 101 to enclose the discharged bottom mud.

[0054] At the same time, a connecting rod 58 is fixedly connected to the bottom of the first threaded screw rod 55. The connecting rod 58 penetrates through the flow guiding plate 103 and is rotatably installed inside the flow guiding plate 103. Combining Figure 12As shown, a second threaded lead screw 59 is fixedly connected to the bottom of the connecting rod 58. The second threaded lead screw 59 meshes with the outer wall of the filter plate 109. During use, when the first threaded lead screw 55 rotates, the second threaded lead screw 59 can be driven to rotate synchronously. Then, the filter plate 109 restricted by the positioning rod 108 can move up and down on the outer wall of the second threaded lead screw 59. Thus, during dehydration, the second water filtering holes 107 at the bottom of the bottom mud cover cylinder 101 can be intermittently opened to facilitate the leakage of water, avoiding the situation where the flocculating liquid flows out along the second water filtering holes 107 before the bottom mud has fused with the flocculating liquid.

[0055] A method for using an on-line fishing and dehydration treatment device for Taihu Lake bottom mud is as follows:

[0056] S1. First, connect the third bracket 33 to an external motor and fix it. Then, extend the whole device into the lake bottom. After the bottom mud cover cylinder 101 contacts the lake bottom, start the motor to rotate so that the bottom mud cover cylinder 101 and the rotary tillage blades 102 till the lake bottom to form a pit, and the bottom mud cover cylinder 101 gradually rotates and moves down into the pit.

[0057] S2. When the bottom mud cover cylinder 101 moves down and rotates into the pit, starting the waterproof motor 31 can drive the rotating rotating shaft 34 to drive the first gear plate 51 to rotate. Then, the third gear plate 53 can drive the gear ring 54 to rotate. Subsequently, when the first rotating ring 21 and the second support rod 24 rotate, the sliding sleeve 57 can be driven to move down one end of the second support rod 24 synchronously. Then, the first support rod 22 expands outward and rotates on the outer peripheral surface of the pit until the guide plate 103 is flush with the surface of the pit. Multiple baffle plates 23 also surround the outer periphery of the pit to enclose the tillered bottom mud, so that the bottom mud can flow into the inner cavity of the bottom mud cover cylinder 101 along the trend, realizing rapid fishing operation.

[0058] S3. During the rotation of the rotating shaft 34, the second conduit 38 is synchronously driven to rotate and stir in the bottom mud in the inner cavity of the bottom mud cover cylinder 101. At the same time, along the track of the rotating bending groove 46, the positioning block 45 can drive the positioning plate 44 and the first moving column 42 to move up and down as a whole, respectively pulling the piston rod 43 up and down in the inner cavity of the vacuum tank 36, pumping out the flocculating liquid in the inner cavity of the liquid storage cylinder 35 and dispersing it into the inner cavities of multiple second conduits 38, and throwing it out during the rotation process to be fully mixed with the bottom mud and undergo flocculation dehydration.

[0059] S4. According to S3, when the first moving column 42 moves up and down as a whole, the second moving column 48 can also move up and down, so that multiple first turning plates 411 and second turning plates 412 turn the bottom mud at the bottom of the bottom mud cover cylinder 101 up and down, and further mix the bottom mud and the flocculating liquid fully.

[0060] S5. According to S2, while the first threaded lead screw 55 rotates, the connecting rod 58 can drive the second threaded lead screw 59 to rotate, so that the filter plate 109 at the bottom of the bottom mud cover cylinder 101 can move up and down, and the second water filtering holes 107 at the bottom of the bottom mud cover cylinder 101 can be intermittently opened and closed, thereby enabling the water in the bottom mud to be discharged intermittently and continuously, so as to realize the dehydration treatment of the bottom mud synchronously during the fishing operation.

[0061] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0062] Second: In the attached drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0063] Finally: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An on-line fishing and dewatering treatment equipment for Taihu Lake sediment, comprising a fishing mechanism (1), wherein a surrounding mechanism (2) is rotatably installed on the outer wall of the fishing mechanism (1). The fishing mechanism (1) includes a sediment cover cylinder (101), a rotary tillage blade (102) is fixedly installed on the outer wall of the sediment cover cylinder (101) in a spiral shape, a guide plate (103) is fixedly installed on the top of the sediment cover cylinder (101), a first bracket (104) is fixedly installed on the top of the guide plate (103), and a supporting plate (105) is fixedly installed on the top of the first bracket (104). It is characterized in that: The surrounding mechanism (2) includes a first rotating ring (21) rotatably installed on the outer wall of the supporting plate (105). A plurality of first struts (22) are hinged to the outer wall of the first rotating ring (21). One end of each of the plurality of first struts (22) is fixedly installed with a baffle (23), and each of the plurality of first struts (22) is hinged with a second strut (24). The second strut (24) is fixedly installed with a second rotating ring (25) at the end far away from the first strut (22). The second rotating ring (25) is arranged on the top of the guide plate (103), and a connecting mechanism (5) for driving its rotation and vertical movement is rotatably installed on one side of the second rotating ring (25). A plurality of first water filtering holes (106) are arranged on the outer wall of the sediment cover cylinder (101) at equal intervals in a circular shape in sequence, and a plurality of second water filtering holes (107) are arranged at the bottom of the sediment cover cylinder (101). A first stirring mechanism (3) for rotating and spraying flocculant liquid is arranged inside the sediment cover cylinder (101), and a second stirring mechanism (4) for turning over the sediment at the bottom of the sediment cover cylinder (101) is fixedly connected to the bottom of the first stirring mechanism (3). The first stirring mechanism (3) includes a waterproof motor (31) arranged on the top of the sediment cover cylinder (101). Second brackets (32) are fixedly installed on both sides of the waterproof motor (31). One end of the second bracket (32) is fixedly connected to a third bracket (33), and the third bracket (33) is fixedly installed on the top of the supporting plate (105). The end of the output shaft of the waterproof motor (31) is fixedly connected to a rotating shaft (34). A liquid storage cylinder (35) is fixedly installed on the outer wall of the rotating shaft (34). A vacuum groove (36) is opened at the bottom of the rotating shaft (34). A first conduit (37) is communicated and arranged at the bottom of the liquid storage cylinder (35), and the first conduit (37) is in a communicating state with the vacuum groove (36). A plurality of second conduits (38) communicated with the vacuum groove (36) are fixedly installed on the outer wall of the rotating shaft (34). The second stirring mechanism (4) includes a limiting cover (41) fixedly installed on the outer wall of the rotating shaft (34). A first moving column (42) is inserted into the bottom of the limiting cover (41) in a vertically sliding state. A piston rod (43) is fixedly installed on the top of the first moving column (42), and the piston rod (43) is inserted into the inner cavity of the vacuum groove (36) in a vertically sliding state.

2. The on-line fishing and dewatering treatment equipment for Taihu Lake sediment according to claim 1, characterized in that: A positioning rod (108) is fixedly installed at the bottom of the sediment cover cylinder (101). A filter plate (109) is installed on the outer wall of the positioning rod (108) in a vertically sliding state. A plurality of piston blocks (110) are fixedly installed at the bottom of the filter plate (109). The plurality of piston blocks (110) are respectively inserted into the inner cavity of the second water filtering holes (107).

3. An on-line bottom sediment fishing and dewatering treatment device of Taihu Lake according to claim 2, characterized in that: Two positioning plates (44) are fixedly installed on the outer wall of the first moving column (42). A positioning block (45) is rotatably installed on one side of each of the two positioning plates (44). A bending groove (46) is formed on the outer wall of the rotating shaft (34) extending into the inner cavity of the limiting cover (41). The two positioning blocks (45) are slidably installed inside the bending groove (46), and the two positioning blocks (45) are symmetrically arranged with respect to the vertical center line of the rotating shaft (34).

4. An on-line fishing and dewatering treatment device for Taihu Lake sediment according to claim 3, characterized in that: A support seat (47) is fixedly installed at the bottom of the limiting cover (41). The bottom of the first moving column (42) is fixedly connected to a second moving column (48). The second moving column (48) passes through the support seat (47) and is arranged in a vertically sliding state. One end of the second moving column (48) passing through the support seat (47) is fixedly installed with a plurality of first turning plates (411). A plurality of second turning plates (412) are fixedly installed on one side of each of the plurality of first turning plates (411). A limiting groove (49) is formed on the outer wall of the second moving column (48). A limiting block (410) is fixedly installed on the inner wall of the support seat (47). The limiting block (410) is slidably installed inside the limiting groove (49).

5. An on-line fishing and dewatering treatment device for Taihu Lake sediment, characterized in that: The plurality of first turning plates (411) are arranged in an annular and equally spaced state in sequence on the outer circumferential surface of the second moving column (48). The lengths of the plurality of second turning plates (412) arranged on one side of the first turning plate (411) are sequentially increased from top to bottom.

6. An on-line fishing and dewatering treatment device for Taihu Lake sediment, characterized in that: The connection mechanism (5) includes a first gear plate (51) fixedly installed on the outer wall of the rotating shaft (34). A second gear plate (52) is rotatably installed on the top of the supporting plate (105). The second gear plate (52) is meshed with the first gear plate (51). The top of the second gear plate (52) is fixedly connected to a third gear plate (53). A gear ring (54) is meshed with the outer wall of the third gear plate (53). The gear ring (54) is fixedly installed on one side of the first rotating ring (21). A first threaded screw rod (55) is rotatably installed at the bottom of the supporting plate (105). The first threaded screw rod (55) is fixedly connected to the second gear plate (52). A threaded sleeve (56) is meshed with the outer wall of the first threaded screw rod (55). A sliding sleeve (57) is fixedly installed on the outer wall of the threaded sleeve (56). The sliding sleeve (57) is slidably installed on the outer wall of the first bracket (104). The second rotating ring (25) is rotatably installed on the outer wall of the sliding sleeve (57).

7. An on-line fishing and dewatering treatment device for Taihu Lake sediment, characterized in that: The bottom of the first threaded lead screw (55) is fixedly connected with a connecting rod (58). The connecting rod (58) penetrates through the flow guide plate (103) and is rotatably installed inside the flow guide plate (103). The bottom of the connecting rod (58) is fixedly connected with a second threaded lead screw (59). The second threaded lead screw (59) meshes with the outer wall of the filter plate (109).

8. The method for using an on-line fishing and dehydration treatment device for Taihu Lake sediment according to claim 7, characterized in that: The specific steps are as follows: S1. First, connect and fix the third bracket (33) to an external motor. Then, extend the whole device into the lake bottom. After the sediment hood cylinder (101) contacts the lake bottom, start the motor to rotate so that the sediment hood cylinder (101) and the rotary tillage blades (102) till the lake bottom to form a pit, and the sediment hood cylinder (101) gradually rotates and moves down into the pit. S2. When the sediment hood cylinder (101) moves down and rotates into the pit, start the waterproof motor (31), and the rotating rotating shaft (34) can drive the first gear plate (51) to rotate. Then, the third gear plate (53) can drive the gear ring (54) to rotate. Subsequently, when the first rotating ring (21) and the second support rod (24) rotate, the sliding sleeve (57) can synchronously drive one end of the second support rod (24) to move down. Then, the first support rod (22) expands outward and rotates on the peripheral surface of the pit. Until the flow guide plate (103) is flush with the surface of the pit, multiple baffles (23) also surround the periphery of the pit to block the excavated sediment, so that the sediment can flow into the inner cavity of the sediment hood cylinder (101) along the trend, realizing rapid fishing operation. S3. During the rotation of the rotating shaft (34), the second conduit (38) is synchronously driven to rotate and stir in the sediment in the inner cavity of the sediment hood cylinder (101). At the same time, along the track of the rotating bending groove (46), the positioning block (45) can drive the positioning plate (44) and the first moving column (42) to move up and down as a whole, respectively, so that the piston rod (43) is pulled up and down in the inner cavity of the vacuum tank (36). The flocculant liquid in the inner cavity of the liquid storage cylinder (35) is pumped out and dispersed into the inner cavities of multiple second conduits (38), and is thrown out during the rotation process to be fully mixed with the sediment and undergo flocculation dehydration. S4. According to S3, when the first moving column (42) moves up and down as a whole, the second moving column (48) can also move up and down, so that multiple first turning plates (411) and second turning plates (412) turn the sediment at the bottom of the sediment hood cylinder (101) up and down, and further make the sediment and the flocculant liquid fully mixed again. S5. According to S2, while the first threaded lead screw (55) rotates, the connecting rod (58) can drive the second threaded lead screw (59) to rotate, so that the filter plate (109) at the bottom of the sediment hood cylinder (101) moves up and down, and the second water filtering holes (107) at the bottom of the sediment hood cylinder (101) are intermittently opened and closed, and then the water in the sediment is intermittently and continuously discharged, so as to realize the dehydration treatment of the sediment synchronously during the fishing operation.

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