Water sludge dewatering and volume reduction platform

Abstract

The utility model discloses an overwater sludge dewatering and volume reducing platform which comprises a buoyancy tank, a lifting type plate-and-frame filter press unit is mounted on the upper surface of a platform of the buoyancy tank, and the lifting type plate-and-frame filter press unit at least comprises a lifting type plate-and-frame filter press; a plurality of supporting beam lifting units are connected to the two sides of the lifting type plate-and-frame filter press and installed on the upper surface of the water sludge dewatering and volume reduction platform, each supporting beam lifting unit comprises a supporting beam lifting base connected with a supporting beam lifting hydraulic cylinder, and the supporting beam lifting hydraulic cylinders are connected with a hydraulic station. The supporting beam lifting hydraulic cylinder is connected with a supporting beam bearing plate, and the supporting beam bearing plate is connected with a supporting beam connecting plate on the lower surface of the supporting beam. A supporting rod is arranged between the supporting beam bearing plate and the foundation base in a sliding mode. After the platform reaches an overwater working area and in the transportation process, the hydraulic cylinder can be allowed to unload pressure, continuous bearing is not needed, the technical limitation of overwater transportation is broken through, the service life of the hydraulic cylinder is prolonged, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate-frame filter presses for environmental protection dredging, and in particular relates to an above-water sludge dehydration and volume reduction platform. Background Art

[0002] In recent years, an innovative equipment platform integrating a dredging vessel, a sludge conditioning vessel, a filter press and a residual water treatment vessel has emerged (publication number CN117509945A), which has realized an integrated process of dredging operations and significantly improved operational efficiency and processing capacity. The platform collects sludge through a dredging vessel, removes impurities and regulates the sludge through a sludge conditioning vessel, and then uses a filter press and a volume reduction vessel for screening, impurity removal, dehydration and volume reduction, and finally transports the mud cake, effectively solving the pollution and land occupation problems in sludge treatment.

[0003] However, in actual operation, the equipment platform faces a key technical challenge, namely the water transportation of the entire equipment. In particular, the fixed height design of the plate filter press unit on the filter press and volume reduction vessel is based on inland waterways and limited navigation conditions. As the tide changes, the efficiency of navigation and transportation is greatly limited. Specifically, when the tide rises, the clearance height of the bridge decreases. If the plate filter press unit maintains a fixed height, it may not be able to pass through the bridge smoothly. Therefore, how to flexibly adjust the height of the plate filter press unit according to the change of tide level has become a technical problem that needs to be solved urgently.

[0004] At present, the plate filter press units on the equipment platform are designed with a fixed height, which cannot adapt to the needs of frequent changes in tide levels under inland waterways and limited navigation conditions. This fixed height design not only limits the flexibility of navigation and transportation, but also increases the risk of equipment operation in complex waters. Especially when the clearance height of the bridge is limited, the fixed height plate filter press units often cannot pass smoothly, resulting in the inability of the entire equipment platform to complete the established tasks, which seriously affects the efficiency and progress of the dredging operation.

[0005] To meet the above challenges, the traditional idea is to add a hydraulic cylinder at the bottom of the plate filter press unit to achieve the lifting function to meet the navigation needs. However, considering the particularity of water operations, the platform supporting the hydraulic cylinder needs to be exposed to the water surface for a long time, which is easily affected by wind and water flow, causing the hydraulic cylinder to be in a working state for a long time, and its piston rod is susceptible to wear and shortened life. In addition, water resources are scarce, and maintaining the continuous high-pressure operation of the hydraulic cylinder consumes a lot of energy. Once the hydraulic cylinder leaks, it will directly threaten the stable operation of the entire water sludge dehydration and volume reduction platform.

[0006] In view of this, the utility model proposes an innovative design of a water sludge dehydration and volume reduction platform. After arriving at the water working area or during transportation, the platform can allow the hydraulic cylinder to unload pressure without continuous load, while ensuring the stability of the plate filter press unit during operation. This design not only effectively solves the technical bottleneck encountered by existing equipment platforms during water transportation, but also significantly extends the service life of the hydraulic cylinder and effectively alleviates the pressure of energy consumption, achieving a dual improvement in technical and economic efficiency. Utility Model Content

[0007] In view of the problems existing in the prior art, the utility model provides an above-water sludge dehydration and volume reduction platform with a liftable plate filter press unit. The unit adopts a lifting mechanism and a hydraulic control system, which can adjust the unit height in real time according to the change of tide level, ensuring that it can smoothly pass through navigation restricted areas such as bridges under different tide conditions, reach the working area, and realize stable support of the plate filter press unit through the support rod assembly when the hydraulic cylinder is released.

[0008] The utility model is implemented as follows: an above-water sludge dewatering and volume reduction platform comprises a buoyancy box, a lifting plate-frame filter press unit is installed on the upper surface of the platform of the buoyancy box, the lifting plate-frame filter press unit comprises at least one lifting plate-frame filter press, the lifting plate-frame filter press comprises a support beam, a plate-frame filter press device is arranged on the support beam, the plate-frame filter press device comprises two support seats, a plate-frame moving beam is arranged between the two support seats, a plurality of filter press plate frames are movably installed between the plate-frame moving beams, a hydraulic cylinder is arranged between the first-stage filter press plate frame near one side and the support seat, and a hydraulic station for providing power to the hydraulic cylinder; a plurality of support beam lifting units are symmetrically connected to both sides of the lower end of the support beam, and the support beam lifting unit is detachably installed on the upper surface of the platform of the bearing equipment;

[0009] The support beam lifting unit comprises a support beam lifting base installed on a basic base, the upper end of the support beam lifting base is connected to a support beam lifting hydraulic cylinder through a flange, the support beam lifting hydraulic cylinder is connected to a hydraulic station, the piston rod of the support beam lifting hydraulic cylinder is connected to a support beam supporting plate, and the support beam supporting plate is connected to a support beam connecting plate on the lower surface of the support beam;

[0010] A support rod is slidably provided between the support beam supporting plate and the foundation base, the upper end of the support rod is hingedly mounted on the lower surface of the support beam supporting plate through a first pin shaft, the lower end of the support rod is hingedly connected to a slider through a second pin shaft, the slider is provided with a slide groove which is consistent with the cross-sectional shape of the web on the foundation base, the slide groove is slidably mounted on the upper web of the foundation base, the slider is provided with a locking bolt, the lower end of the locking bolt abuts against the upper web to fix the slider relative to the foundation base.

[0011] Further preferably, reinforcing ribs are provided between the support beam lifting base and the basic base.

[0012] Further preferably, the support beam lifting base is a hollow cylindrical structure, and the lower end of the support beam lifting hydraulic cylinder extends into the support beam lifting base.

[0013] It also includes a mud cake conveying belt located below the lifting plate and frame filter press for conveying mud cakes produced by the lifting plate and frame filter press and a mud cake total conveying belt for collecting mud cakes produced by each lifting plate and frame filter press.

[0014] Advantages and technical effects of the utility model: The utility model relates to an above-water sludge dehydration and volume reduction platform with a lifting plate-frame filter press unit, which exhibits significant overall technical effects, especially in the fields of waterway transportation and sludge treatment. The following is a detailed summary of its technical effects:

[0015] The lifting plate and frame filter press unit has achieved high flexibility and adaptability in the transportation and installation process through innovative design. The entire equipment can be flexibly adjusted according to the clearance height of the waterway and the specific conditions of the sludge dewatering and volume reduction platform on the water, thus avoiding the transportation and installation restrictions that may be caused by the fixed height of the equipment. This design not only improves the adaptability of the equipment in different regions and complex conditions, but also ensures safety during transportation.

[0016] At the same time, the compact structural design of the lifting plate and frame filter press optimizes space utilization, making the equipment occupy less space during lifting and moving, which helps to reduce the transportation and installation difficulties that may be caused by the large size of the equipment, especially during ship transportation and on-site installation. In addition, the adaptability of the clearance height of the lifting plate and frame filter press also ensures safe navigation during cross-channel transportation.

[0017] The lifting plate and frame filter press also performs well in terms of operating efficiency and maintenance convenience. The hydraulic station control realizes the automatic operation of the equipment, which not only improves production efficiency but also reduces the complexity and cost of manual operation. At the same time, the compact structure and modular design of the equipment make the maintenance process more convenient. The connection and disassembly between the components are relatively simple, which is convenient for daily inspection and troubleshooting.

[0018] The water sludge dewatering and volume reduction platform realizes efficient and flexible sludge treatment by integrating the lifting plate and frame filter press unit. The foundation base design of the water sludge dewatering and volume reduction platform is solid, providing a solid support for the lifting plate and frame filter press unit, ensuring the stability and reliability of the equipment during long-term operation. The modular and detachable design of the lifting plate and frame filter press unit itself also makes maintenance and replacement more convenient, effectively extending the service life of the platform.

[0019] In summary, after arriving at the working area on the water and during transportation, the platform can allow the hydraulic cylinder to unload pressure without continuous load, while ensuring the stability of the plate filter press unit during operation. This design not only effectively solves the technical bottlenecks encountered by existing equipment platforms during water transportation, but also significantly extends the service life of the hydraulic cylinder, and effectively alleviates the pressure of energy consumption, achieving a dual improvement in technical and economic efficiency. With its flexible and efficient transportation capacity and stable operating state, this utility model provides strong technical support and guarantee for sludge treatment in waterway transportation scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 yes Figure 1 Middle A-direction view;

[0022] Figure 3 This is a schematic diagram of the structure of the above-water sludge dehydration and volume reduction platform of the utility model;

[0023] Figure 4 It is a schematic diagram of the matching structure between the slider and the upper web of the base.

[0024] In the figure, 1. support beam; 10. support beam lifting unit; 101. support beam lifting base; 102. support beam lifting hydraulic cylinder; 103. support beam supporting plate; 104. support beam connecting plate; 2. plate and frame filter press device; 2-1. support seat; 2-2. plate and frame moving beam; 2-3. filter press plate frame; 3. hydraulic cylinder; 4. hydraulic station; 5. foundation base; 5-1. reinforcing ribs; 5-2. upper belly plate; 6. water sludge dehydration and volume reduction platform; 6-1. mud cake conveying belt; 6-2. mud cake total conveying belt; 7. pontoon; 8. support rod; 9. slider; 11. locking bolt. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0026] See also Figures 1 to 4The utility model provides an above-water sludge dehydration and volume reduction platform, the above-water sludge dehydration and volume reduction platform 6 includes a pontoon 7, a lifting plate-frame filter press unit is installed on the upper surface of the pontoon platform, the pontoon moves on the waterway driven by a towing ship, the lifting plate-frame filter press unit includes at least one lifting plate-frame filter press, the lifting plate-frame filter press includes two support beams 1, the support beams can be an integral structure, can also be a split structure, a plate-frame filter press device 2 is arranged on the support beam, the plate-frame filter press device includes two support seats 2-1, a plate-frame moving beam 2-2 is arranged between the two support seats, a plurality of filter press plate frames 2-3 are movably installed between the plate-frame moving beams, and the plurality of filter press plate frames can cooperate with a drag chain to move along The plate and frame moving beams are opened sequentially. The basic structure of the plate and frame filter press belongs to the mature technology in the plate and frame filter press and will not be elaborated here. A hydraulic cylinder 3 is arranged between the first-stage filter press plate frame and the support seat near one side. The hydraulic cylinder drives the filter press plate frame to realize filtration, as well as a hydraulic station 4 that provides power to the hydraulic cylinder and a control cabinet that controls the working state of the hydraulic station; several support beam lifting groups 10 are symmetrically connected on both sides of the lower end of the support beam, and the above-mentioned support beam lifting groups are detachably installed on the upper surface of the bearing equipment platform (the bearing equipment can be a transport vessel for transporting the lifting plate and frame filter press group, or it can be a working vessel or an operating platform in a working state, such as the water sludge dehydration and volume reduction platform 6 in the present application) by fastening bolts.

[0027] Compared with the traditional fixed plate and frame filter press, the lifting plate and frame filter press has the following advantages in terms of technical effects and actual transportation process:

[0028] 1. Flexibility and adaptability

[0029] Convenient transportation: The lifting plate and frame filter press unit uses the design of a supporting beam lifting unit, so that the entire equipment can be flexibly adjusted according to the clearance height of the waterway during transportation. Compared with the traditional fixed plate and frame filter press, this design avoids the transportation restriction problem that may be caused by the fixed height of the equipment, and improves the adaptability of the equipment in different regions and complex transportation conditions.

[0030] Installation flexibility: After arriving at the destination, the lifting plate and frame filter press unit can also be adjusted and installed according to the specific height and conditions of the water sludge dewatering and volume reduction platform to ensure stable operation of the equipment.

[0031] 2. Space utilization and structural optimization

[0032] Compact structure design: The lifting plate and frame filter press unit optimizes the structure design, so that the equipment occupies less space during lifting and moving, and improves the space utilization rate. This is particularly important during ship transportation and on-site installation, which helps to reduce the transportation and installation difficulties that may be caused by the large size of the equipment.

[0033] Clearance height adaptability: When transporting across waterways, the clearance height of the waterway is a key factor in ensuring safe navigation. The lifting plate and frame filter press unit can adjust its height according to the clearance height of the waterway, ensuring that the equipment will not exceed the limit during transportation, thereby ensuring transportation safety.

[0034] 3. Operational efficiency and maintenance convenience

[0035] Automatic operation: The lifting plate and frame filter press is equipped with a control system and a hydraulic station to realize the automatic operation of the equipment. This not only improves production efficiency, but also reduces the complexity and cost of manual operation. At the same time, automatic control also helps to reduce equipment failures and safety accidents caused by human operating errors.

[0036] Maintenance convenience: Due to the compact structure and modular design of the equipment, the lifting plate and frame filter press unit is more convenient during maintenance. The connection and disassembly between the components are relatively simple, which is convenient for daily inspection and troubleshooting. In addition, the detachable design also makes it easier to move the equipment as a whole or in part when needed.

[0037] Preferably, the support beam lifting unit 10 includes a support beam lifting base 101 installed on the base 5, which serves as the support base of the support beam lifting unit and provides a stable installation base to ensure stability and safety during the lifting process. Its design takes into account load-bearing and distribution to withstand various forces and vibrations during the lifting process. The upper end of the support beam lifting base is connected to the support beam lifting hydraulic cylinder 102 through a flange, and the flange connection ensures a tight connection between the support beam lifting hydraulic cylinder and the lifting base, preventing the hydraulic cylinder from loosening or offsetting during operation. This connection method is also convenient for maintaining and replacing the hydraulic cylinder, improving the maintainability of the equipment. The support beam lifting hydraulic cylinder is connected to a hydraulic station, which provides power for the support beam lifting hydraulic cylinder, realizing automation and precise control of the lifting process. Through the pressure regulation of the hydraulic system, the lifting and lowering of the support beam can be easily achieved, improving the operating efficiency. The piston rod of the support beam lifting hydraulic cylinder is connected to the support beam support plate 103, and the connection between the piston rod and the support beam support plate is a direct transmission path for the lifting action. This design ensures smooth and precise lifting action, while the support beam support plate provides uniform support for the support beam, preventing tilt or instability during lifting. The support beam support plate is connected to the support beam connecting plate 104 on the lower surface of the support beam. The support beam connecting plate acts as a bridge between the support beam and the support beam support plate, ensuring that the lifting force is evenly transmitted from the support plate to the support beam. This design enhances the stability of the support beam during lifting and prevents deformation or damage caused by uneven force.

[0038] Preferably, the support beam lifting unit is installed on a base base 5, and the base base is fixed on the upper surface of the above-water sludge dewatering and volume reduction platform. In this embodiment, the base base serves as a common supporting structure of the four support beam lifting bases, which can more effectively disperse and withstand the load and vibration generated by the lifting plate and frame filter press unit during operation, thereby improving the stability and safety of the overall structure. Fixed on the upper surface of the bearing equipment platform, it ensures that the lifting plate and frame filter press unit will not shake or overturn due to instability during operation.

[0039] A support rod 8 is slidably provided between the support beam supporting plate and the foundation base, the upper end of the support rod is hingedly mounted on the lower surface of the support beam supporting plate through a first pin shaft, and the lower end of the support rod is hingedly connected to a slider 9 through a second pin shaft, and the slider is provided with a T-shaped slide groove which is consistent with the cross-sectional shape of the upper web of the foundation base, and the slide groove is slidably installed on the upper web 5-2 of the foundation base from one end of the upper web, and the slider is provided with a locking bolt 11, and the lower end of the locking bolt abuts against the upper web to fix the slider relative to the foundation base.

[0040] The working principle mainly involves the coordinated action of the support rod, slider, locking bolt and hydraulic cylinder to achieve the height adjustment of the support beam support plate relative to the foundation base and keep it stable when needed. The following is a detailed analysis of the working principle:

[0041] Initial adjustment and locking: During the actual transportation process, first, according to the clearance height requirements of the waterway, the height of the support beam support plate is changed by adjusting the telescopic length of the piston rod of the hydraulic cylinder. The power provided by the hydraulic cylinder enables the support rod to move up and down, thereby adjusting the height of the entire support structure. When the height of the support beam support plate is adjusted to meet the navigation conditions, the locking bolt on the slider is tightened so that the lower end of the locking bolt is pressed against the upper belly plate of the foundation base, thereby fixing the slider (and the support rod connected to it) relative to the foundation base. In this way, even if the pressure of the hydraulic cylinder is released, the support rod can maintain the current support state to ensure the stability of the structure.

[0042] Stability during transportation: During transportation, since the locking bolts have been tightened, the support rods and sliders form a stable support structure that can withstand various forces and vibrations that may occur during transportation, ensuring the safety of the support beam support plate and the objects carried thereon.

[0043] Adjustment after arriving at the predetermined water area: When the height of the support beam support plate needs to be adjusted again after arriving at the predetermined water area, first loosen the locking bolts to release the fixed relationship between the slider and the base. Then start the hydraulic cylinder to drive the support rod up and down by the extension and contraction of the piston rod. In this process, the lower end of the support rod (i.e., the end connected to the slider) will move toward the lifting base of the support beam to achieve height adjustment. When the support beam support plate is adjusted to the predetermined elevation, tighten the locking bolts again to fix the slider and the support rod relative to the base, and then the pressure of the hydraulic cylinder can be released to keep the support structure stable. In summary, the support system realizes the flexible adjustment of the height of the support beam support plate and the stable support when needed through the coordinated action of the hydraulic cylinder, support rod, slider and locking bolts. This design not only ensures safety during transportation, but also facilitates the height adjustment operation after arriving at the destination.

[0044] Preferably, a reinforcing rib 5-1 is provided between the support beam lifting base and the basic base to improve the stability between the support beam lifting base and the basic base.

[0045] Further preferably, the support beam lifting base is a hollow cylindrical structure, and the lower end of the support beam lifting hydraulic cylinder extends into the support beam lifting base. This ingenious concept not only provides sufficient telescopic space for the support beam lifting hydraulic cylinder, ensuring its accuracy and flexibility in stroke and height adjustment, but also effectively provides a relatively closed and protected working environment for the hydraulic cylinder by extending the lower end of the hydraulic cylinder into the base. Such a design greatly reduces the risk of damage to the hydraulic cylinder under harsh operating conditions (such as wind and waves, impact, etc.) and extends its service life. At the same time, the hollow cylindrical structure also facilitates daily maintenance and overhaul of the hydraulic cylinder, further improving the reliability and durability of the entire support system, and providing a solid guarantee for the stable operation of the water sludge dehydration and volume reduction platform.

[0046] The water sludge dewatering and volume reduction platform also includes a mud cake conveying belt 6-1 located below the lifting plate and frame filter press for conveying the mud cake produced by the lifting plate and frame filter press, and a mud cake total conveying belt 6-2 for collecting the mud cake produced by each lifting plate and frame filter press; the water sludge dewatering and volume reduction platform using the lifting plate and frame filter press unit has achieved a significant improvement in technical effects, and is particularly suitable for waterway transportation scenarios. Specifically, the platform achieves efficient and flexible sludge treatment by integrating the lifting plate and frame filter press unit. The design of the lifting plate and frame filter press unit enables the equipment to be flexibly adjusted according to changes in the waterway clearance height, ensuring safety and convenience during transportation. This feature greatly broadens the application scope of the water sludge dewatering and volume reduction platform, enabling it to be smoothly transported in a complex waterway environment and quickly installed and deployed after arriving at the designated location.

[0047] In addition, the above-water sludge dewatering and volume reduction platform also demonstrates excellent stability and durability. The solid base design provides a solid support for the lifting plate and frame filter press unit, ensuring the stability and reliability of the equipment during long-term operation. The modular and detachable design of the lifting plate and frame filter press unit itself also makes maintenance and replacement more convenient, effectively extending the service life of the platform.

[0048] In summary, the water sludge dehydration and volume reduction platform using a lifting plate and frame filter press unit, with its flexible and efficient transportation capacity and stable operating status, provides strong technical support and guarantee for sludge treatment in waterway transportation scenarios. After arriving at the water working area or during long-distance water transportation, the platform can allow the hydraulic cylinder to unload pressure without continuous load, while ensuring the stability of the plate filter press unit during transportation and operation. This design not only effectively solves the technical bottlenecks encountered by existing equipment platforms during water transportation, but also significantly extends the service life of the hydraulic cylinder, and effectively alleviates the pressure of energy consumption, achieving a dual improvement in technical and economic efficiency.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An above-water sludge dewatering and volume reduction platform, comprising a pontoon, a lifting plate-frame filter press unit is installed on the platform surface of the pontoon, the lifting plate-frame filter press unit comprises at least one lifting plate-frame filter press, the lifting plate-frame filter press comprises a support beam, a plate-frame filter press device is arranged on the support beam, the plate-frame filter press device comprises two support seats, a plate-frame moving beam is arranged between the two support seats, a plurality of filter press plate frames are movably installed between the plate-frame moving beams, a hydraulic cylinder is arranged between the first-stage filter press plate frame close to one side and the support seat, and a hydraulic station providing power to the hydraulic cylinder; characterized in that, A plurality of support beam lifting units are symmetrically connected to both sides of the lower end of the support beam, and the support beam lifting units are detachably mounted on the upper surface of the carrying equipment platform; The support beam lifting unit comprises a support beam lifting base installed on a basic base, the upper end of the support beam lifting base is connected to a support beam lifting hydraulic cylinder through a flange, the support beam lifting hydraulic cylinder is connected to a hydraulic station, the piston rod of the support beam lifting hydraulic cylinder is connected to a support beam supporting plate, and the support beam supporting plate is connected to a support beam connecting plate on the lower surface of the support beam; A support rod is slidably provided between the support beam supporting plate and the foundation base, the upper end of the support rod is hingedly mounted on the lower surface of the support beam supporting plate through a first pin shaft, the lower end of the support rod is hingedly mounted on a slider through a second pin shaft, the slider is provided with a slide groove which is consistent with the cross-sectional shape of the upper web of the foundation base, the slide groove is slidably mounted on the upper web of the foundation base, the slider is provided with a locking bolt, the lower end of the locking bolt abuts against the upper web to fix the slider relative to the foundation base.

2. The above-water sludge dehydration and volume reduction platform according to claim 1 is characterized by: Reinforcing ribs are provided between the support beam lifting base and the foundation base.

3. The above-water sludge dehydration and volume reduction platform according to claim 1 is characterized by: The support beam lifting base is a cylindrical structure, and the lower end of the support beam lifting hydraulic cylinder extends into the support beam lifting base.

4. The above-water sludge dehydration and volume reduction platform according to claim 1 is characterized by: It also includes a mud cake conveying belt located below the lifting plate and frame filter press for conveying mud cakes produced by the lifting plate and frame filter press and a mud cake total conveying belt for collecting mud cakes produced by each lifting plate and frame filter press.

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