A biological solidification treatment device for river and lake bottom mud

Abstract

The present invention belongs to the technical field of sludge solidification treatment, and discloses a biological solidification treatment device for river and lake bottom mud, including a receiving platform, and further including: a mixing component, the mixing component is installed on the top of the receiving platform. In the present invention, a dredging device and a feeding component are used to synchronously inject the sludge at the bottom of the river and lake and the curing agent into the feeding pipe. As the sludge and the curing agent are continuously injected into the feeding pipe, the sludge and the curing agent are limited by the limiting ring during the movement process. At the same time, the feeding pipe is driven to rotate by a motor, and is discharged through the space between two adjacent partition plates under the action of centrifugal force, and impacts the inner wall of the mixing chamber. During the impact process, the curing agent and the sludge are fully mixed, and the mixed sludge is discharged from the other end of the mixing chamber and backfilled into the river and lake. By circulating in this way, the sludge and the curing agent in the river and lake can be fully mixed, avoiding the phenomenon of uneven mixing of the sludge in the river and lake, and at the same time ensuring the efficiency of sludge solidification.

Description

Technical Field

[0001] The present invention belongs to the technical field of silt solidification treatment, and specifically relates to a biological solidification treatment device for river and lake bottom mud. Background Art

[0002] When highway construction projects involve waters such as lakes and rivers, a large amount of silt with high water content and low strength is often generated during bottom mud dredging. Direct stacking or landfilling easily causes environmental pollution and land occupation problems. As a green and sustainable solution, biological solidification technology uses microbial or enzyme-induced mineralization reactions (such as urea hydrolysis to generate calcium carbonate cementing substances), or utilizes biological bonding effects such as plant roots and hyphal networks to solidify loose silt into soil materials with bearing capacity. This technology can significantly improve the mechanical properties of bottom mud (such as the unconfined compressive strength can be increased by 50%-300%), and at the same time reduce the use of chemical additives, with both ecological friendliness and engineering economy.

[0003] Currently, lake and river silt is usually solidified in-situ. First, the water in the lake or river is drained, the solidification mixing head is installed on an excavator, the excavator is controlled to immerse the solidification mixing head into the silt, the mixing head is rotated by the hydraulic drive of the excavator, the solidifying agent is prepared by the background mixing station, and is transported through a hose to the front nozzle of the mixing head. Then, the solidifying agent can be sprayed through the mixing head nozzle in the silt to mix the solidifying agent with the silt, thus realizing the in-situ solidification treatment of the silt.

[0004] However, when the mixing head of the excavator is used to mix the silt and the solidifying agent, the rotation speed of the mixing head driven by the hydraulic system of the excavator is relatively low during this process, and it is difficult to generate sufficient shear force to break the silt flocculation structure, resulting in uneven mixing of the solidifying agent and the silt, and the formation of unreacted cementing blind spots in local areas. At the same time, the rotating mixing head can only form a columnar flow field in the viscous silt, resulting in insufficient diffusion of the solidifying agent, thus affecting the efficiency of silt solidification treatment. Therefore, a biological solidification treatment device for river and lake bottom mud is proposed. Summary of the Invention

[0005] To solve the problems raised in the above background art, the present invention provides a biological solidification treatment device for river and lake bottom mud, which solves the problems that the existing mixing head has a relatively low rotation speed, is difficult to generate sufficient shear force to break the silt flocculation structure, and unreacted cementing blind spots are formed in local areas, affecting silt solidification.

[0006] To achieve the above object, the present invention provides the following technical solution: A biological solidification treatment device for river and lake bottom mud, including a receiving platform, and further including:

[0007] A mixing component, the mixing component is installed on the top of the receiving platform;

[0008] Curing agent mixing equipment, the curing agent mixing equipment is internally communicated with the inside of the mixing component through a feeding component;

[0009] A guiding component, the guiding component is installed inside the mixing component;

[0010] A silt suction device, the silt suction device is sleeved outside the mixing component;

[0011] Among them, the mixing component includes a mixing bin fixedly installed on the top of the receiving platform. One end of the mixing bin is movably sleeved with a feeding pipe. The other end of the feeding pipe is fixedly installed with partition plates in an annular array. The inner wall of the partition plate is fixedly installed with guiding rods. One end of the partition plate is movably sleeved with a limiting ring, and the limiting ring is sleeved outside the guiding rod;

[0012] One end of the feeding pipe is connected to the output end of the motor on the top of the receiving platform;

[0013] The silt suction device and the feeding component synchronously inject silt and curing agent into the feeding pipe. The silt and the curing agent are blocked by the limiting ring and are thrown out through the space between two adjacent partition plates and impact the inner wall of the mixing bin.

[0014] Preferably, rectangular silt inlet through grooves are annularly arrayed on the outside of the feeding pipe. A first docking pipe is sleeved outside the feeding pipe. The lower end of the first docking pipe is sleeved outside the feeding pipe through a sleeve, and the inner diameter of the first docking pipe is larger than the width of the rectangular silt inlet through groove;

[0015] The first docking pipe is fixedly connected to the silt suction device.

[0016] Preferably, the feeding component includes feeding ports annularly arrayed at one end of the feeding pipe. A second docking pipe is sleeved outside the feeding pipe. The second docking pipe is fixedly connected to the curing agent mixing equipment;

[0017] A dosing pipe is fixedly installed inside the feeding pipe, and the dosing pipe is communicated with the second docking pipe.

[0018] Preferably, the guiding component includes a fixed rod fixedly installed at one end of the mixing bin. A converging ring is fixedly installed on the inner wall of the mixing bin. The side part of the limiting ring is connected with a frustum-shaped pushing piece through a docking piece.

[0019] Preferably, a reciprocating spiral groove is formed on the outside of the fixed rod. The frustum-shaped pushing piece is sleeved outside the fixed rod and slides in the reciprocating spiral groove. One end of the frustum-shaped pushing piece is fixedly installed with a protective pipe sleeved outside the fixed rod.

[0020] Preferably, cutting blades are annularly arrayed on the outside of the frustum-shaped pushing piece, and the gap between the frustum-shaped pushing piece and the converging ring gradually decreases from the periphery to the middle.

[0021] Preferably, a blade is fixedly installed on the other side of the limiting ring, and the blade corresponds to the guide rod;

[0022] The docking sleeve is sleeved on the outside of the fixed rod.

[0023] Preferably, a docking ring is fixedly installed on the inner wall of the mixing bin, and scraping plates are symmetrically arranged on the inner wall of the docking ring;

[0024] The silt impacts the limiting ring, and the weeds and branches in the silt are cut by the blade.

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

[0026] In the present invention, the silt at the bottom of the river or lake and the curing agent are synchronously injected into the injection pipe through the silt suction device and the feeding component, and move in the injection pipe. As the silt and the curing agent are continuously injected into the injection pipe, the silt and the curing agent are limited by the limiting ring during the movement process. At the same time, the injection pipe is driven to rotate by the motor, and is discharged through the gap between two adjacent partition plates under the action of centrifugal force, and impacts the inner wall of the mixing bin. During the impact process, the curing agent and the silt are fully mixed. The mixed silt is discharged from the other end of the mixing bin and backfilled into the river or lake. By circulating in this way, the silt and the curing agent in the river or lake can be fully mixed, avoiding the phenomenon of uneven mixing of the silt in the river or lake, and at the same time ensuring the efficiency of silt curing;

[0027] In the present invention, the silt and the curing agent are continuously injected into the injection pipe and enter the mixing bin. The silt and the curing agent are guided into the gap between the conical pusher and the gathering ring. At the same time, the conical pusher is driven to rotate by the docking piece. The conical pusher moves along the reciprocating spiral groove on the outside of the fixed rod. The conical pusher moves towards the injection pipe to shorten the distance therebetween. The silt in the mixing bin is pushed by the conical pusher, thereby increasing the pressure between the conical pusher and the injection pipe, increasing the flow rate of the silt passing between the conical pusher and the mixing bin. At the same time, when the silt passes between the conical pusher and the mixing bin, the silt is sheared by the cutting piece, and the conical pusher rotates to form a vortex, so that the silt and the curing agent gather towards the middle of the gathering ring, ensuring the full mixing of the silt and the curing agent through dispersion and gathering;

[0028] In the present invention, the conical pusher moves in the reverse direction to shorten the distance from the gathering ring, and the silt therebetween is extruded. In this way, through the reciprocating movement of the conical pusher, the pressure of the silt in the mixing bin is repeatedly increased, and the flow rate of the silt is repeatedly increased, avoiding the phenomenon of silt clogging the mixing bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the equipment connection structure of the present invention;

[0030] Figure 2 Schematic diagram of the external structure of the present invention;

[0031] Figure 3 Schematic diagram of the internal structure of the present invention;

[0032] Figure 4 Schematic diagram of the disassembled structure of the mixing component and the injection component of the present invention;

[0033] Figure 5 Schematic diagram of the cross-sectional structure of the mixing component of the present invention;

[0034] Figure 6 Schematic diagram of the cooperation structure between the guiding component and the mixing component of the present invention;

[0035] Figure 7 Schematic diagram of the disassembled structure of the mixing component and the guiding component of the present invention;

[0036] Figure 8 Schematic diagram of the disassembled structure of the mixing component of the present invention.

[0037] In the figure: 1, receiving table; 2, guiding component; 21, fixing rod; 22, protecting tube; 23, gathering ring; 24, cutting piece; 25, frustum-shaped pushing piece; 211, docking ring; 212, scraping plate; 3, mixing component; 31, injection pipe; 32, rectangular silt inlet groove; 33, first docking pipe; 34, partition plate; 35, guiding rod; 36, docking part; 37, blade; 38, limiting ring; 39, mixing chamber; 30, sludge discharge pipe; 4, injection component; 41, injection agent pipe; 42, feeding port; 43, second docking pipe; 5, curing agent mixing device; 6, silt suction device. Detailed implementation manners

[0038] 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 of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0039] As Figures 1 to 8 shown, the present invention provides a biological solidification treatment device for river and lake bottom sludge, including a receiving table 1, and further including:

[0040] A mixing component 3, which is installed on the top of the receiving table 1;

[0041] A curing agent mixing device 5, which is internally connected to the mixing component 3 through an injection component 4; the structure of the curing agent mixing device 5 can be realized by the prior art, and the present application does not make specific limitations thereto;

[0042] The guiding component 2 is installed inside the mixing component 3;

[0043] The silt suction device 6 is sleeved outside the mixing component 3; the structure of the silt suction device 6 can be realized by the prior art, and the present application does not make specific limitations on this;

[0044] Among them, the mixing component 3 includes a mixing bin 39 fixedly installed on the top of the receiving platform 1. One end of the mixing bin 39 is movably sleeved with a feeding pipe 31. One end of the feeding pipe 31 is fixedly installed with partition plates 34 in an annular array. The inner wall of the partition plate 34 is fixedly installed with guide rods 35. One end of the partition plate 34 is movably sleeved with a limiting ring 38, and the limiting ring 38 is sleeved outside the guide rod 35;

[0045] The other end of the feeding pipe 31 is connected to the output end of the motor on the top of the receiving platform 1;

[0046] The silt suction device 6 and the feeding component 4 respectively inject silt and curing agent into the feeding pipe 31 synchronously. The silt and the curing agent are blocked by the limiting ring 38 and are thrown out through the space between two adjacent partition plates 34, hitting the inner wall of the mixing bin 39.

[0047] The silt suction device 6 and the feeding component 4 respectively inject the silt and the curing agent at the bottom of the river or lake into the feeding pipe 31 synchronously and move in the feeding pipe 31. As the silt and the curing agent are continuously injected into the feeding pipe 31, the silt and the curing agent are limited by the limiting ring 38 during the movement process. At the same time, the feeding pipe 31 is driven by the motor to rotate. Under the action of centrifugal force, the silt and the curing agent are discharged through the space between two adjacent partition plates 34 and hit the inner wall of the mixing bin 39. During the centrifugal rotation process and the impact process, the curing agent and the silt are fully mixed. The mixed silt is discharged from the other end of the mixing bin 39 and backfilled into the river or lake, avoiding the phenomenon of uneven mixing of the silt in the river or lake.

[0048] At the same time, when the silt and the curing agent are discharged through the space between two adjacent partition plates 34, the guide rods 35 and the partition plates 34 are used to cut the lumpy silt, avoiding the silt being in a lumpy state and further improving the mixing effect of the curing agent and the silt. Among them, the number of the partition plates 34 and the guide rods 35 can be selected according to the actual need for the fineness of the silt cutting.

[0049] It is hereby stated that the receiving platform 1 can be replaced by a movable trolley, so that the mixing device moves along with the length of the river, which can improve the scope of the silt solidification treatment of the river or lake.

[0050] As a preferred embodiment, such as Figure 3 And Figure 4As shown, rectangular silt inlet slots 32 are arranged in an outer circumferential array on the outer part of the injection pipe 31. A first docking pipe 33 is sleeved on the outer part of the injection pipe 31. The lower end of the first docking pipe 33 is sleeved on the outer part of the injection pipe 31 through a sleeve. The inner diameter of the first docking pipe 33 is greater than the width of the rectangular silt inlet slots 32.

[0051] The first docking pipe 33 is fixedly connected to the silt suction device 6.

[0052] The silt in the river or lake is sucked by the silt suction device 6 and injected into the interior of the injection pipe 31 through the first docking pipe 33 and the rectangular silt inlet slots 32. Since the inner diameter of the first docking pipe 33 is greater than the width of the rectangular silt inlet slots 32, it is ensured that the first docking pipe 33 can continuously inject silt into the injection pipe 31 during the rotation of the injection pipe 31. The continuous rotation of the injection pipe 31 cooperates with the outer edge of the rectangular silt inlet slots 32 and the first docking pipe 33 to perform preliminary shearing treatment on the injected silt.

[0053] As a preferred embodiment, as Figure 3 shown in Figure 4 the injection assembly 4 includes feed ports 42 arranged in an annular array at one end of the injection pipe 31. A second docking pipe 43 is sleeved on the outer part of the injection pipe 31. The second docking pipe 43 is fixedly connected to the curing agent mixing device 5.

[0054] An injection agent pipe 41 is fixedly installed inside the injection pipe 31. The injection agent pipe 41 is communicated with the second docking pipe 43.

[0055] The silt curing agent is prepared by the curing agent mixing device 5 and injected into the interior of the injection agent pipe 41 through the second docking pipe 43 and the feed ports 42, and then injected into the middle of the injection pipe 31 to contact the silt. As the silt continuously moves in the injection pipe 31 and the injection agent pipe 41 continuously injects the curing agent, the curing agent can be evenly injected into the silt in this way.

[0056] As a preferred embodiment, as Figure 3 shown in Figure 6 and Figure 7 the guiding assembly 2 includes a fixed rod 21 fixedly installed at one end of the mixing chamber 39. An aggregation ring 23 is fixedly installed on the inner wall of the mixing chamber 39. A conical pusher 25 is connected to the side of the limiting ring 38 through a docking member 36.

[0057] A reciprocating spiral groove is arranged on the outer part of the fixed rod 21. The conical pusher 25 is sleeved on the fixed rod 21 and slides in the reciprocating spiral groove. A protective pipe 22 sleeved on the outer part of the fixed rod 21 is fixedly installed at one end of the conical pusher 25. Among them, the technical principle of controlling a certain structure to make a sliding reciprocating motion along the reciprocating spiral groove on the outer part of the fixed rod is the prior art in this field. The present application does not make specific limitations on this. As long as it can make the conical pusher 25 make a sliding reciprocating motion along the reciprocating spiral groove on the outer part of the fixed rod, it falls within the protection scope of the present application.

[0058] The outer circumference of the frustum-shaped pusher 25 is provided with cutting blades 24 in an annular array, and the gap between the frustum-shaped pusher 25 and the converging ring 23 gradually decreases from the periphery to the middle.

[0059] By continuously injecting silt and curing agent into the feeding pipe 31 and entering the mixing chamber 39, the silt and curing agent are guided by the frustum-shaped pusher 25 into the gap between the frustum-shaped pusher 25 and the converging ring 23. At the same time, the frustum-shaped pusher 25 is driven to rotate by the docking member 36. The frustum-shaped pusher 25 moves along the outer part of the fixed rod 21 in a reciprocating spiral groove. The frustum-shaped pusher 25 moves towards the feeding pipe 31 to shorten the distance therebetween. By pushing the silt in the mixing chamber 39 with the frustum-shaped pusher 25, the pressure between the frustum-shaped pusher 25 and the feeding pipe 31 is increased, the flow rate of the silt passing through the frustum-shaped pusher 25 and the mixing chamber 39 is increased, and the mixing effect of the silt and the curing agent is further improved.

[0060] At the same time, when the silt passes between the frustum-shaped pusher 25 and the mixing chamber 39, the cutting blades 24 shear the silt. The rotation of the frustum-shaped pusher 25 generates a vortex, causing the silt and the curing agent to converge towards the middle of the converging ring 23. Through dispersion and convergence, the full mixing of the silt and the curing agent is further improved.

[0061] The frustum-shaped pusher 25 moves in the reverse direction to shorten the distance from the converging ring 23, and extrudes the silt therebetween, so as to prevent the silt from blocking the mixing chamber 39 through the reciprocating movement of the frustum-shaped pusher 25.

[0062] As a preferred embodiment, as Figures 4 to 8 shown, a blade 37 is fixedly installed on the other side of the limit ring 38, and the blade 37 corresponds to the guide rod 35.

[0063] The docking member 36 is sleeved on the outside of the fixed rod 21.

[0064] A docking ring 211 is fixedly installed on the inner wall of the mixing chamber 39, and scraping plates 212 are symmetrically arranged on the inner wall of the docking ring 211.

[0065] The silt impacts the limit ring 38, and the blade 37 cuts the weeds and branches in the silt.

[0066] When the frustum-shaped pusher 25 moves towards the feeding pipe 31, the docking member 36 pushes the limit ring 38 and the blade 37 towards the feeding pipe 31. The movement of the limit ring 38 shortens the distance from the feeding pipe 31, thereby increasing the flow rate of the discharged material between two adjacent partition plates 34, increasing the impact force of the silt hitting the blade 37, and simultaneously cleaning the weeds wound around the guide rod 35 and the partition plates 34 through the cooperation of the limit ring 38 and the blade 37.

[0067] Meanwhile, during the rotation of the partition plate 34, the weeds wound around the partition plate 34 and the guide rod 35 are cut by the scraping plate 212 to prevent excessive entanglement of the weeds and blockage.

[0068] The working principle and usage process of the present invention:

[0069] The silt and the curing agent at the bottom of the river or lake are synchronously injected into the injection pipe 31 through the silt suction device 6 and the injection component 4, and move within the injection pipe 31. As the silt and the curing agent are continuously injected into the injection pipe 31, the silt and the curing agent are limited by the limiting ring 38 during the movement. At the same time, the injection pipe 31 is driven to rotate by the motor, and is discharged through the gap between two adjacent partition plates 34 under the action of centrifugal force, and impacts the inner wall of the mixing chamber 39. During the impact, the curing agent and the silt are fully mixed, and the mixed silt is discharged from the other end of the mixing chamber 39 and backfilled into the river or lake. By circulating in this way, the silt and the curing agent in the river or lake can be fully mixed to avoid the phenomenon of uneven mixing of the silt in the river or lake.

[0070] By continuously injecting the silt and the curing agent into the injection pipe 31 and entering the mixing chamber 39, the silt and the curing agent are guided by the frustum-shaped pusher 25 into the gap between the gathering ring 23. At the same time, the frustum-shaped pusher 25 is driven to rotate by the docking member 36. The frustum-shaped pusher 25 moves along the external reciprocating spiral groove of the fixed rod 21. The frustum-shaped pusher 25 moves towards the injection pipe 31 to shorten the distance therebetween, and the silt in the mixing chamber 39 is pushed by the frustum-shaped pusher 25, thereby increasing the pressure between the frustum-shaped pusher 25 and the injection pipe 31, increasing the flow rate of the silt passing through the frustum-shaped pusher 25 and the mixing chamber 39, and further improving the mixing effect of the silt and the curing agent.

[0071] Meanwhile, when the silt passes between the frustum-shaped pusher 25 and the mixing chamber 39, the silt is sheared by the cutting blade 24, and the frustum-shaped pusher 25 rotates to generate a vortex, causing the silt and the curing agent to gather towards the middle of the gathering ring 23, ensuring the full mixing of the silt and the curing agent through dispersion and gathering.

[0072] The frustum-shaped pusher 25 moves in the reverse direction to shorten the distance between it and the gathering ring 23, and extrudes the silt therebetween, thereby preventing the silt from blocking the mixing chamber 39 through the reciprocating movement of the frustum-shaped pusher 25.

[0073] When the frustum-shaped pusher 25 moves towards the injection pipe 31, the docking member 36 pushes the limiting ring 38 and the blade 37 to move towards the injection pipe 31. The limiting ring 38 moves to shorten the distance between it and the injection pipe 31, thereby increasing the flow rate of the discharge between two adjacent partition plates 34, increasing the impact force of the silt hitting the blade 37, and at the same time, cleaning the weeds wound around the guide rod 35 and the partition plate 34 through the cooperation of the limiting ring 38 and the blade 37.

[0074] Meanwhile, during the rotation of the partition plate 34, the weeds wound around the partition plate 34 and the guide rod 35 are cut by the scraping plate 212, preventing excessive entanglement of weeds and clogging.

[0075] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0076] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biological solidification treatment device for river and lake sediment, comprising a receiving table (1), characterized in that, Further comprising: A mixing component (3), which is installed on the top of the receiving table (1); A curing agent mixing device (5), which is internally connected to the mixing component (3) through a feeding component (4); A guiding component (2), which is installed inside the mixing component (3); A silt suction device (6), which is sleeved outside the mixing component (3); Wherein, the mixing component (3) includes a mixing bin (39) fixedly installed on the top of the receiving table (1), one end of the mixing bin (39) is movably sleeved with a feeding pipe (31), the other end of the feeding pipe (31) is fixedly installed with partition plates (34) in an annular array, the inner wall of the partition plates (34) is fixedly installed with guiding rods (35), one end of the partition plates (34) is movably sleeved with a limiting ring (38), and the limiting ring (38) is sleeved outside the guiding rods (35); One end of the feeding pipe (31) is connected to the output end of a motor on the top of the receiving table (1); The silt suction device (6) and the feeding component (4) synchronously inject silt and a curing agent into the feeding pipe (31), the silt and the curing agent are blocked by the limiting ring (38) and are thrown out through the space between two adjacent partition plates (34) to impact the inner wall of the mixing bin (39); The guiding component (2) includes a fixed rod (21) fixedly installed at one end of the mixing bin (39), a converging ring (23) is fixedly installed on the inner wall of the mixing bin (39), and a frustum-shaped pushing piece (25) is connected to the side of the limiting ring (38) through a docking piece (36).

2. The biological solidification treatment equipment for river and lake bottom mud according to claim 1, wherein: Rectangular silt inlet through slots (32) are annularly arrayed on the outside of the feeding pipe (31), a first docking pipe (33) is sleeved outside the feeding pipe (31), the lower end of the first docking pipe (33) is sleeved outside the feeding pipe (31) through a sleeve, and the inner diameter of the first docking pipe (33) is larger than the width of the rectangular silt inlet through slots (32); The first docking pipe (33) is fixedly connected to the silt suction device (6).

3. The river and lake sediment biological solidification treatment equipment according to claim 2, characterized in that: The feeding component (4) includes feeding ports (42) annularly arrayed at one end of the feeding pipe (31), a second docking pipe (43) is sleeved outside the feeding pipe (31), and the second docking pipe (43) is fixedly connected to the curing agent mixing device (5); A dosing pipe (41) is fixedly installed inside the feeding pipe (31), and the dosing pipe (41) is communicated with the second docking pipe (43).

4. The biological solidification treatment equipment for river and lake bottom sludge according to claim 3, characterized in that: A reciprocating spiral groove is formed on the outside of the fixed rod (21), the frustum-shaped pushing piece (25) is sleeved outside the fixed rod (21) and slides in the reciprocating spiral groove, and a protecting pipe (22) sleeved outside the fixed rod (21) is fixedly installed at one end of the frustum-shaped pushing piece (25).

5. The biological solidification treatment equipment for river and lake sediment according to claim 4, characterized in that: Cutting blades (24) are annularly arrayed on the outside of the frustum-shaped pushing piece (25), and the gap between the frustum-shaped pushing piece (25) and the converging ring (23) gradually decreases from the periphery to the middle.

6. The biological solidification treatment equipment for river and lake sediment according to claim 5, characterized in that: On the other side of the limiting ring (38), a blade (37) is fixedly installed, and the blade (37) corresponds to the guide rod (35); The docking member (36) is sleeved outside the fixed rod (21).

7. The sediment biological solidification treatment equipment for river channels and lakes according to claim 6, characterized in that: On the inner wall of the mixing bin (39), a docking ring (211) is fixedly installed, and scraping plates (212) are symmetrically arranged on the inner wall of the docking ring (211); The silt impacts the limiting ring (38), and the weed branches in the silt are cut by the blade (37).

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