Mud dewatering and solidification device and mobile dewatering and solidification station

By designing the pressure shell assembly and dewatering assembly, and combining them with high-pressure air source filtration, the problems of complex structure and heavy weight of plate and frame filter presses are solved, enabling convenient collection and transportation of sludge, reducing the difficulty of equipment transportation, and saving costs.

CN116375307BActive Publication Date: 2026-02-17ZHANGJIAGANG WATER CONSERVANCY CONSTR ENG CO LTD
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Patent Information

Application Number
CN202310568580.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-19
Publication Date
2026-02-17
Estimated Expiration
2043-05-19

AI Technical Summary

Technical Problem

Existing plate and frame filter presses are complex in structure and heavy in weight, making them difficult to move with cutter suction dredging vessels, and they also occupy a lot of space.

Method used

The device employs a pressure shell assembly and a dewatering assembly, including slide rails and limiting grooves, which facilitates disassembly and assembly. Combined with high-pressure air source filtration, it achieves rapid dewatering and collection of sludge. The overall structure of the device is simple, making it easy to miniaturize and lighten.

Benefits of technology

It enables convenient collection and transportation of sludge, reduces site occupation, lowers the difficulty of equipment transportation, saves costs, and ensures the mobility of equipment.

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Abstract

The application provides a mud dewatering and solidifying device and a mobile dewatering and solidifying station, and relates to the field of dredging equipment. The mud dewatering and solidifying device comprises a pressure shell assembly and a dewatering assembly. The pressure shell assembly comprises a pressure shell and an end cover, and the inner wall of the pressure shell is provided with sliding rails extending along the length direction of the pressure shell. The dewatering assembly comprises an air duct and a water filter shell, the water filter shell is provided with a mud inlet and a limiting sliding groove matched with the sliding rails, the air duct is provided with a plurality of air outlets and an air inlet, and the air inlet is connected with a high-pressure gas source. The mobile dewatering and solidifying station comprises a support, a hoisting assembly, a mobile base assembly, a power unit and the mud dewatering and solidifying device. The mud dewatering and solidifying device is arranged on the support. The mobile base assembly comprises a base and mobile wheels. The support and the hoisting assembly are arranged on the upper part of the base. The power unit is connected with the mobile wheels. The application has the advantages of simple structure, good integrity, easy realization of light weight and easy movement.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of construction equipment, in particular to a mud dewatering and solidification device, and further relates to a mobile dewatering and solidification station. BACKGROUND

[0002] In order to ensure the flow capacity of the river, it is necessary to regularly dredge the river.

[0003] The cutter suction dredger is a commonly used device for river dredging, which can suck the silt on the riverbed and the river water into the pipeline together and transport it to the silt accumulation area. However, the silt accumulation area occupies a large area and the natural drying of the mud takes a long time, so a mud dewatering and solidification device is usually provided to separate the water and mud in the mud, and the separated mud blocks are easy to collect and transport, and can reduce the site occupation.

[0004] The prior art usually uses a plate and frame filter press as a mud dewatering and solidification device, which has multiple plate and frame structures, a bearing rail for moving the plate and frame structures, and a pressure structure for abutting the multiple plate and frame structures together, etc. The structure is complex, and the overallity of the device is poor, which is not conducive to the transfer of the device. In addition, the mass of each plate and frame structure is relatively large, so the overall weight of the plate and frame filter press is relatively large, thereby making it difficult to realize the movement of the mud dewatering and solidification device with the cutter suction dredger.

[0005] Therefore, there is a need for a mud dewatering and solidification device. SUMMARY

[0006] In order to improve the problem of poor overallity and large mass, which is not easy to realize the transfer, the present application provides a mud dewatering and solidification device in the first aspect.

[0007] The mud dewatering and solidification device provided by the first aspect of the present application adopts the following technical solution: a mud dewatering and solidification device, comprising a pressure shell assembly and a dewatering assembly; the pressure shell assembly comprises a pressure shell and an end cover arranged at the opening end of the pressure shell, a containing cavity suitable for containing the dewatering assembly is formed in the pressure shell, and the inner wall of the pressure shell is provided with a sliding rail extending along the length direction of the pressure shell; the dewatering assembly comprises an air pipe and a water filter shell, a containing cavity suitable for containing the air pipe and mud is formed in the water filter shell, and a mud inlet and a limiting sliding groove matched with the sliding rail are arranged on the water filter shell; a plurality of air outlets and an air inlet are arranged on the air pipe, and the air inlet is connected with a high-pressure gas source.

[0008] By adopting the technical scheme, the design of the sliding rail and the limiting sliding groove can facilitate the installation and pulling out of the dewatering assembly from the pressure shell, thereby facilitating the disassembly and assembly of the dewatering assembly, so as to facilitate the removal of the sludge in the dewatering assembly; the mud sucked from the riverbed enters the containing cavity between the filter shell and the aeration pipeline through the mud inlet, the aeration pipeline is connected with the high-pressure gas source, when the high-pressure gas source supplies gas to the aeration pipeline, the high-pressure gas escapes from the gas outlet of the aeration pipeline and can drive the water in the mud to pass through the filter shell, so that the water in the mud is filtered out, and the sludge is dehydrated and solidified in the containing cavity between the filter shell and the aeration pipeline, thereby facilitating the collection and transportation of the sludge, and further avoiding occupying a large area for stacking the sludge or mud, and the mud dewatering and solidification device has a simple overall structure and few components, facilitating the miniaturization and light weight of the equipment, so that the mud dewatering and solidification device can be moved with the cutter suction dredger, so as to shorten the length of the pipeline for transporting the sludge and save costs.

[0009] Specifically, the filter shell comprises a plurality of shell plates and end plates, the plurality of shell plates are spliced to form a sleeve structure, and the sleeve structure is connected with the end plates at both ends to form the filter shell, the end plates are provided with mounting holes suitable for the aeration pipeline to pass through, and the portions connected between the two shell plates form the limiting sliding groove.

[0010] By adopting the technical scheme, the connection between the filter shell and the aeration pipeline can be achieved.

[0011] Specifically, a plurality of water outlet windows are formed in the shell plate, a filter cloth is arranged at the water outlet window, both ends of the shell plate are provided with connecting holes, both sides of the shell plate are provided with connecting plates, a plurality of counterbore structures are arranged on the connecting plates, a sealing element is further arranged between the two connecting plates connected with each other, a limiting side plate is arranged on each connecting plate, and the limiting sliding groove is formed between the two limiting side plates after the two connecting plates are buckled and connected.

[0012] By adopting the technical scheme, the filter shell can be disassembled, so that the sludge in the filter shell can be removed.

[0013] Specifically, the mud inlet is arranged on the end plate, the end plate is provided with a threaded hole matched with the connecting hole, and the end plate is further provided with a connecting ring.

[0014] By adopting the technical scheme, the connecting ring can be hooked by a tool to facilitate the pulling out of the dewatering assembly from the pressure shell.

[0015] Specifically, the end cover comprises a first cover body and a second cover body, both of which are hinged to the pressure shell and can rotate around an axis perpendicular to the port of the pressure shell, and both of the first cover body and the second cover body are provided with a slurry pipe accommodation opening, an air inlet pipe accommodation opening and a water outlet notch.

[0016] By adopting the above technical scheme, the open end of the pressure shell can be easily opened to pull out the dewatering assembly from the pressure shell, the slurry pipe accommodation opening and the air inlet pipe accommodation opening can facilitate the communication of the related pipes with the end plate or the air pipe through the end cover, the supply of slurry and high-pressure gas is realized, and the water outlet notch can facilitate the outflow of filtered water from the pressure shell.

[0017] Specifically, the plurality of slide rails are equidistantly distributed on the inner wall of the pressure shell, and a moving abutting plate is arranged between two adjacent slide rails, the moving abutting plate can approach or move away from the water filtering shell, a plurality of abutting portions matched with the water outlet window are arranged on one side of the moving abutting plate close to the shell plate, and a plurality of water flow grooves extending along the length direction of the pressure shell are arranged on the abutting portions.

[0018] By adopting the above technical scheme, in the working state, the moving abutting plate can approach the water filtering shell, so that the abutting portions can abut against the water window, thereby reducing the damage of the filter cloth at the water window due to excessive deformation.

[0019] Specifically, a plurality of hydraulic cylinders are further arranged on the pressure shell, each moving abutting plate is connected with a corresponding hydraulic cylinder, and the hydraulic cylinder can drive the moving abutting plate to approach or move away from the water filtering shell.

[0020] By adopting the above technical scheme, the movement of the moving abutting plate can be realized.

[0021] The second aspect of the present application provides a mobile dewatering and solidification station.

[0022] The mobile dewatering and solidification station provided in the second aspect of the present application adopts the following technical scheme: a mobile dewatering and solidification station comprises a support, a hoisting assembly, a mobile base assembly, a power unit and the slurry dewatering and solidification device described in the above technical scheme, the plurality of slurry dewatering and solidification devices are arranged on the support, the mobile base assembly comprises a base and a plurality of mobile wheels arranged at the lower part of the base, the support and the hoisting assembly are arranged at the upper part of the base, and the power unit is connected with the mobile wheels and can drive the mobile wheels to rotate.

[0023] By adopting the above technical solution, the mobile dewatering and solidification station can be moved, making it easy for the mud dewatering and solidification device to move with the cutter suction dredging vessel. This can shorten the length of the pipeline for transporting sludge, save costs, and the installation of multiple mud dewatering and solidification devices ensures that at least one mud dewatering and solidification device is in working condition, so that the cutter suction dredging vessel does not need to stop and wait.

[0024] Specifically, the hoisting assembly includes a gantry crane, a winch, a cable, and a lifting hook. The winch is mounted on the moving main beam of the gantry crane and can move along the moving main beam. One end of the cable is connected to the winch, and the other end of the cable is connected to the lifting hook and connected to the filter shell in the mud dewatering and solidification device via the lifting hook.

[0025] By adopting the above technical solution, the filter shell can be pulled out for cleaning and collection, saving manpower.

[0026] Furthermore, the hoisting assembly also includes a support frame, which includes a support portion and a pulley. The pulley is disposed on the support portion, and the support portion is disposed at the open end of the pressure housing. A water inlet groove is also provided at the open end of the pressure housing.

[0027] By adopting the above technical solution, it is easy to hoist the filter shell and facilitate the discharge of filtered water.

[0028] In summary, this application includes at least one of the following beneficial effects:

[0029] 1. The design of the slide rail and the limiting slide groove makes it easy to install the dewatering component into or pull it out of the pressure housing, thereby facilitating the disassembly and assembly of the dewatering component and making it easier to remove the sludge from the dewatering component;

[0030] 2. The slurry pumped from the riverbed will enter the receiving cavity between the filter shell and the aeration pipe through the slurry inlet. The aeration pipe is connected to a high-pressure air source. When the high-pressure air source supplies air to the aeration pipe, the high-pressure gas will escape from the air outlet of the aeration pipe and can drive the water in the slurry through the filter shell, so that the water in the slurry is filtered out. The sludge will remain in the receiving cavity between the filter shell and the aeration pipe to dehydrate and solidify, which facilitates the collection and transportation of sludge. This will not occupy a lot of space for sludge or slurry accumulation. Moreover, the overall structure of the slurry dewatering and solidification device is simple and uses few parts, which is conducive to the miniaturization and weight reduction of the equipment. This allows the slurry dewatering and solidification device to be moved with the cutter suction dredging vessel, which can shorten the length of the pipeline for transporting sludge and save costs.

[0031] 3. Setting up multiple mud dewatering and solidification devices ensures that at least one mud dewatering and solidification device is in operation, so that the cutter suction dredging vessel does not need to stop and wait. Attached Figure Description

[0032] Figure 1 This is a three-dimensional structural diagram of the mobile dehydration and curing station of this application;

[0033] Figure 2 This is an enlarged view of region A in soil 1;

[0034] Figure 3 This is a top view of the mobile dehydration and solidification station of this application;

[0035] Figure 4 yes Figure 3 Cross-sectional view along the BB direction;

[0036] Figure 5 yes Figure 4 Enlarged view of region E in the middle;

[0037] Figure 6 yes Figure 2 Enlarged view of region C in the middle;

[0038] Figure 7 yes Figure 2 Enlarged view of region C in the middle;

[0039] Figure 8 yes Figure 2 A magnified view of region C in the middle.

[0040] Explanation of reference numerals in the attached drawings: 1. Pressure shell assembly; 11. Pressure shell; 111. Movable abutment plate; 1111. Abutment part; 1112. Water channel; 112. Hydraulic cylinder; 12. End cover; 121. First cover; 122. Second cover; 123. Mud pipe clearance port; 124. Air inlet pipe clearance port; 125. Water outlet notch; 13. Slide rail; 2. Dewatering assembly; 21. Air pipe; 211. Air outlet; 212. Air inlet; 22. Filter shell; 221. Mud inlet... 222. Limiting slide; 223. Shell plate; 2231. Water outlet window; 2232. Filter cloth; 2233. Connecting plate; 2234. Seal; 2235. Limiting side plate; 224. End plate; 3. Bracket; 4. Lifting assembly; 41. Gantry crane; 411. Moving main beam; 42. Winch; 43. Cable; 44. Lifting hook; 45. Support frame; 451. Support part; 452. Pulley; 5. Moving base assembly; 51. Base; 52. Moving wheel; 6. Water inlet trough. Detailed Implementation

[0041] Figure 1This is a perspective view of the mobile dehydration and curing station (and the sliding mold device capable of real-time monitoring of levelness) of this application; Figure 2 This is an enlarged view of the end cap 12 of the sliding mold device capable of real-time monitoring of levelness according to this application. See also Figure 1 and Figure 2 The mud dewatering and solidification device provided in the first aspect of this application includes: a pressure shell assembly 1 and a dewatering assembly 2. The pressure shell assembly 1 includes a pressure shell 11 and an end cap 12 provided at the open end of the pressure shell 11. The interior of the pressure shell 11 forms a cavity suitable for accommodating the dewatering assembly 2, and a slide rail 13 extending along the length direction of the pressure shell 11 is provided on the inner wall of the pressure shell 11. The dewatering assembly 2 includes an air duct 21 and a filter shell 22. The filter shell 22 forms a cavity suitable for accommodating the air duct 21 and the mud, and the filter shell 22 is provided with a mud inlet 221 and a limiting groove 222 that matches the slide rail 13. The air duct 21 is provided with a plurality of air outlets 211 and air inlets 212, and is connected to a high-pressure air source via the air inlets 212.

[0042] The high-pressure air source can be a high-pressure air pump (not shown in the figure). During use, the mud pumped from the riverbed will enter the cavity between the filter shell 22 and the ventilation pipe 21 through the mud inlet 221. The ventilation pipe 21 is connected to the high-pressure air source. When the high-pressure air source supplies air to the ventilation pipe 21, the high-pressure gas will escape from the air outlet 211 of the ventilation pipe 21 and can drive the water in the mud through the filter shell 22, so that the water in the mud is filtered out. The silt will remain in the cavity between the filter shell 22 and the ventilation pipe 21 and dehydrate and solidify, which facilitates the collection and transportation of silt. This will not occupy a lot of space for silt or mud accumulation. Moreover, the overall structure of the mud dewatering and solidification device is simple and uses few parts, which makes it easy to miniaturize and lighten the equipment. This allows the mud dewatering and solidification device to be moved with the cutter suction dredging vessel, which can shorten the length of the silt transport pipeline and save costs.

[0043] The matching slide rail 13 and limiting slide groove 222 facilitate the installation of the dewatering component 2 into or from the pressure housing 11, thereby facilitating the disassembly and assembly of the dewatering component 2 and the removal of sludge from it. The slide rail 13 can be configured to include a pair of opposing vertical plates and a rolling wheel between the vertical plates. The rolling wheel can abut against the filter housing 22, thereby facilitating the movement of the filter housing 22 along the slide rail 13. In addition, to prevent sludge from entering the ventilation pipe 21 from the air outlet 211 and causing blockage of the ventilation pipe 21 and the air outlet 211, a layer of anti-mud cloth can be wrapped around the outer wall of the ventilation pipe 21. The anti-mud cloth can be made of high-strength and breathable fabrics such as linen or Oxford cloth.

[0044] Figure 3 This is a top view of the mobile dehydration and curing station (and the slipform device capable of real-time monitoring of levelness) of this application. Figure 4 This is a cross-sectional view of the sliding mold device capable of real-time monitoring of levelness according to this application, cut along its axial direction. See also... Figure 3 and Figure 4 The filter shell 22 can be configured as a cylindrical structure. The cylindrical structure has high strength, so that when the high-pressure air carries the water in the mud through the filter shell 22, the filter shell 22 is not easily deformed. The filter shell 22 can be configured to include multiple shell plates 223 and end plates 224. The multiple shell plates 223 can be assembled to form a sleeve structure, and both ends of the sleeve structure are connected to end plates 224 to form the filter shell 22. The connecting parts on two adjacent shell plates 223 can form a limiting groove 222.

[0045] Figure 5 This is a square-size diagram of the internal structure of the sliding surface device for real-time monitoring of levelness according to this application. See also: Figure 5 The shell plate 223 can be made of steel plate, and multiple water outlet windows 2231 need to be opened on the shell plate 223. A filter cloth 2232 needs to be provided at the water outlet. The filter cloth 2232 can be made of one or more synthetic fibers such as polyester, acrylic and nylon (i.e., equivalent to geotextile). Both ends of the shell plate 223 are provided with connecting holes. Correspondingly, the end plate 224 needs to be provided with threaded holes that match the connecting holes, so that the shell plate 223 can be screwed to the end plate 224 to form a filter shell 22, which can be easily disassembled. The filter shell 22 is set to a split and detachable form, so that after the dewatering component 2 is removed, the filter shell 22 can be disassembled to clean out the solidified sludge.

[0046] Figure 6 This is a cross-sectional view of the sliding mold device capable of real-time monitoring of levelness according to this application, cut along a line perpendicular to its own axis. Figure 7 yes Figure 6 See the enlarged view of region F in the middle. Figure 6 and Figure 7Connecting plates 2233 are provided on both sides of the shell plate 223. The connecting plates 2233 have multiple countersunk hole structures, which allow two adjacent shell plates 223 to be screwed together with bolts and nuts. The resulting filter shell 22 has higher structural strength and is less prone to deformation. The countersunk hole structure design ensures that the bolts and nuts will not protrude from the surface of the filter shell 22 after the two adjacent shell plates 223 are screwed together, thus not affecting the movement of the filter shell 22 in the pressure shell 11. It is understood that a sealing element 2234 is also required between the two connected connecting plates 2233 to prevent mud from leaking from the connection. Each connecting plate 2233 is also required to have a limiting side plate 2235, so that after the two connecting plates 2233 are fastened together, the two limiting side plates 2235 can form a limiting groove 222 that can cooperate with the slide rail 13.

[0047] In addition, one of the two end plates 224 at both ends of the filter shell 22 can be welded to the end of the vent pipe 21 to block one section of the vent pipe 21. The other end plate 224 needs to be provided with an installation hole suitable for the vent pipe 21 to pass through. The installation hole can be provided with an internal thread structure, and a corresponding external thread structure is provided at the end of the vent pipe 21 to facilitate the installation and disassembly of the end plate 224 and the vent pipe 21. Of course, the end plate 224 and the vent pipe 21 can also be made into an integral structure, and only the shell plate 223 needs to be removed when it is necessary to remove sludge.

[0048] Reference Figure 2 The end cap 12 includes a first cap 121 and a second cap 122. Both the first cap 121 and the second cap 122 are hinged to the pressure housing 11, and both the first cap 121 and the second cap 122 can rotate about a direction perpendicular to the port of the pressure housing 11, thereby opening the opening end of the pressure housing 11 and allowing the dewatering component 2 to be pulled out of the pressure housing 11. Both the first cap 121 and the second cap 122 are provided with a mud pipe clearance port 123, an air inlet pipe clearance port 124, and a water outlet notch 125. When the first cap 121 and the second cap 122 are closed, a mud pipe clearance port 123 can easily pass through and connect to the mud inlet 221, and an air inlet pipe clearance port 124 can easily pass through and connect to the air vent pipe 21, thus supplying mud and high-pressure air. The water outlet notch 125 is designed to facilitate the flow of filtered water out of the pressure housing 11.

[0049] Specifically, see Figure 7Multiple slide rails 13 can be provided in the pressure shell. The multiple slide rails 13 are evenly distributed on the inner wall of the pressure shell 11, and a movable abutment plate 111 is provided between two adjacent slide rails 13. The movable abutment plate 111 can approach or move away from the filter shell 22. Multiple abutment portions 1111 matching the water outlet window 2231 are provided on the side of the movable abutment plate 1111 near the shell plate 223. Multiple water flow grooves 1112 extending along the length direction of the pressure shell 11 are provided on the abutment portion 1111. In the working state, the movable abutment plate 111 can approach the filter shell 22, so that the abutment portion 1111 can abut against the water window, thereby reducing the situation where the filter cloth 2232 at the water window is damaged due to excessive deformation.

[0050] Specifically, in order to move the movable abutment plate 111, multiple hydraulic cylinders 112 can be provided on the pressure housing 11. Each movable abutment plate 111 is connected to the corresponding hydraulic cylinder 112, so that the movable abutment plate 111 can be driven to move closer to or away from the filter housing 22 by the hydraulic cylinder 112.

[0051] See Figure 1 The mobile dewatering and solidification station provided in the second aspect of this application includes: a support frame 3, a hoisting assembly 4, a mobile base assembly 5, a power unit, and the mud dewatering and solidification device in the above technical solution. The mud dewatering and solidification device can be configured in multiple ways, such as four, and each mud dewatering and solidification device is mounted on the support frame 3. The mobile base assembly 5 includes a base 51 and a moving wheel 52 located at the lower part of the base 51. The support frame 3 and the hoisting assembly 4 are both located at the upper part of the base 51. The power unit is connected to the moving wheel 52 and can drive the moving wheel 52 to rotate.

[0052] Setting up multiple mud dewatering and solidification devices ensures that at least one device is in operation, eliminating the need for the cutter suction dredging vessel to stop and wait. The design of the mobile wheel 52 enables the movement of the mobile dewatering and solidification station, allowing the mud dewatering and solidification device to easily follow the cutter suction dredging vessel. This shortens the length of the sludge transport pipeline, saving costs. Specifically, the bracket 3 and lifting assembly 4 can be placed in a container to form a containerized dewatering and solidification station. The container can then be mounted on a vehicle, allowing the vehicle to move the dewatering and solidification station, thus forming a mobile dewatering and solidification station. In this case, the vehicle's powertrain (generator, engine, and battery, etc.) can serve as the power unit for the mobile dewatering and solidification station.

[0053] Figure 8 This is a close-up view of the gantry crane 41. See [link / reference]. Figure 5 and Figure 8Specifically, the lifting assembly 4 can be configured to include a gantry crane 41, a winch 42, a cable 43, and a lifting hook 44. The gantry crane 41 is existing technology and includes a track and a moving main beam 411 mounted on the track, which will not be described in detail here. The winch 42 is mounted on the moving main beam 411 of the gantry crane 41 and can move along the moving main beam 411 under the drive of a corresponding screw pair. The moving main beam 411 can move along the track under the drive of a corresponding screw pair. One end of the cable 43 is connected to the winch 42, and the other end of the cable 43 is connected to the lifting hook 44. It can be connected to the lifting hook 44 on the end plate 224 of the filter shell 22 via the lifting hook 44, so that the dewatering component 2 can be pulled out from the pressure shell 11 when the gantry crane 41 moves. It is understood that two moving main beams 411 need to be set up, and each moving main beam 411 is equipped with a set of winch 42, cable 43 and lifting hook 44, so as to correspond one-to-one with the two ends of the filter shell 22. This makes it easy to adjust the posture of the filter shell 22 during the lifting process, so as to install the filter shell 22 into the pressure shell 11, which can save manpower.

[0054] In addition, see Figure 5 A receiving frame 45 can also be provided at the open end of the pressure housing 11. The receiving frame 45 includes a receiving part 451 and a pulley 452. The pulley 452 is provided on the receiving part 451 and can cooperate with the limiting slide groove 222. So that after one end of the filter shell 22 is pulled out from the pressure housing 11, it can be supported by the receiving frame 45. The cooperation between the pulley 452 and the limiting slide groove 222 can facilitate the movement of the filter shell 22 on the receiving part 451 until the other end of the filter shell 22 is pulled out and can be supported by the receiving frame 45. This facilitates the connection of the connecting ring on the end plate 224 of that end to the lifting hook 44 for hoisting. A water guide trough 6 can also be provided at the open end of the pressure housing 11 to guide and discharge the filtered water.

[0055] The working principle of the mud dewatering and solidification device of this application is as follows: The mud pumped up from the riverbed will enter the receiving cavity between the filter shell 22 and the air pipe 21 through the mud inlet 221. The air pipe 21 is connected to a high-pressure air source. When the high-pressure air source supplies air to the air pipe 21, the high-pressure gas will escape from the air outlet 211 of the air pipe 21 and can drive the water in the mud through the filter shell 22, so that the water in the mud is filtered out. The silt will remain in the receiving cavity between the filter shell 22 and the air pipe 21 and solidify due to dehydration. This facilitates the collection and transportation of silt, and does not occupy a lot of space for silt or mud accumulation. Moreover, the overall structure of the mud dewatering and solidification device is simple, with few parts, which facilitates the miniaturization and weight reduction of the equipment. This allows the mud dewatering and solidification device to be moved with the cutter suction dredging vessel, thereby shortening the length of the silt transport pipeline and saving costs.

[0056] The design of the slide rail 13 and the limiting slide groove 222 facilitates the installation of the dewatering component 2 into or from the pressure housing 11, thereby facilitating the disassembly and assembly of the dewatering component 2 to remove the sludge from it. Furthermore, the provision of multiple sludge dewatering and solidification devices ensures that at least one sludge dewatering and solidification device is in operation, eliminating the need for the cutter suction dredging vessel to stop and wait.

[0057] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A slurry dewatering and solidification apparatus, characterized by, The pressure shell assembly (1) and the dehydration assembly (2) are included. The pressure shell assembly (1) includes a pressure shell (11) and an end cover (12) arranged at the opening end of the pressure shell (11), the pressure shell (11) is formed with a containing cavity suitable for containing the dehydration assembly (2), and the inner wall of the pressure shell (11) is provided with a sliding rail (13) extending along the length direction of the pressure shell (11). The dehydration assembly (2) includes an air duct (21) and a water filter shell (22), the water filter shell (22) is formed with a containing cavity suitable for containing the air duct (21) and mud, and the water filter shell (22) is provided with a mud inlet (221) and a limiting sliding groove (222) matched with the sliding rail (13); the air duct (21) is provided with a plurality of air outlets (211) and an air inlet (212), and is connected with a high-pressure gas source through the air inlet (212); The water filter shell (22) includes a plurality of shell plates (223) and end plates (224), a plurality of the shell plates (223) are spliced to form a sleeve structure, and the two ends of the sleeve structure are connected with the end plates (224) to form the water filter shell (22), the end plates (224) are provided with mounting holes suitable for the air duct (21) to pass through, and the portions of the two shell plates (223) connected with each other form the limiting sliding groove (222); A plurality of water outlet windows (2231) are arranged on the shell plate (223), the water outlet windows (2231) are provided with water filter cloths (2232), both ends of the shell plate (223) are provided with connecting holes, both sides of the shell plate (223) are provided with connecting plates (2233), a plurality of counterbore structures are arranged on the connecting plates (2233), a sealing element (2234) is further arranged between the two connecting plates (2233) connected with each other, a limiting side plate (2235) is arranged on each connecting plate (2233), and the limiting sliding groove (222) is formed between the two limiting side plates (2235) after the two connecting plates (2233) are buckled and connected; A plurality of the sliding rails (13) are arranged on the inner wall of the pressure shell (11) at equal intervals, a moving abutting plate (111) is arranged between adjacent two sliding rails (13), the moving abutting plate (111) can move close to or away from the water filter shell (22), a plurality of abutting portions (1111) matched with the water outlet windows (2231) are arranged on one side of the moving abutting plate (111) close to the shell plate (223), and a plurality of water flow grooves (1112) extending along the length direction of the pressure shell (11) are arranged on the abutting portions (1111); A plurality of hydraulic cylinders (112) are further arranged on the pressure shell (11), each moving abutting plate (111) is connected with a corresponding hydraulic cylinder (112), and the hydraulic cylinder (112) can drive the moving abutting plate (111) to move close to or away from the water filter shell (22).

2. The slurry dewatering and solidifying apparatus according to claim 1, wherein The mud inlet (221) is arranged on the end plate (224), the end plate (224) is provided with a threaded hole matched with the connecting hole, and the end plate (224) is further provided with a connecting ring.

3. The slurry dewatering and solidifying apparatus according to claim 1, wherein The end cover (12) comprises a first cover body (121) and a second cover body (122), the first cover body (121) and the second cover body (122) are hinged to the pressure shell (11), and the first cover body (121) and the second cover body (122) can rotate around the rotation shaft in the direction perpendicular to the port of the pressure shell (11), and the first cover body (121) and the second cover body (122) are provided with a mud pipe accommodating opening (123), an air inlet pipe accommodating opening (124) and a water outlet gap (125).

4. A mobile dewatering and curing station, characterized by, The mud dewatering and solidifying device comprises a support (3), a hoisting assembly (4), a mobile base assembly (5), a power unit and the mud dewatering and solidifying device according to any one of claims 1 to 3, the mud dewatering and solidifying device is arranged in multiple, and each mud dewatering and solidifying device is arranged on the support (3), the mobile base assembly (5) comprises a base (51) and a mobile wheel (52) arranged at the lower part of the base (51), the support (3) and the hoisting assembly (4) are arranged at the upper part of the base (51), and the power unit is connected with the mobile wheel (52) and can drive the mobile wheel (52) to rotate.

5. The mobile dewatering and curing station of claim 4, wherein, The hoisting assembly (4) comprises a derrick (41), a winch (42), a cable (43) and a lifting hook (44), the winch (42) is arranged on the mobile girder (411) of the derrick (41) and can move along the mobile girder (411), one end of the cable (43) is connected with the winch (42), and the other end of the cable (43) is connected with the lifting hook (44) and connected with the water filter shell (22) in the mud dewatering and solidifying device through the lifting hook (44).

6. The mobile dewatering and curing station of claim 5, wherein, The hoisting assembly (4) further comprises a receiving frame (45), the receiving frame (45) comprises a receiving part (451) and a pulley (452), the pulley (452) is arranged on the receiving part (451), the receiving part (451) is arranged at the open end of the pressure shell (11), and the open end of the pressure shell (11) is further provided with a water guide groove (6).

Citation Information

Patent Citations

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    CN213172010U

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    CN217997006U

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    CN218058783U