Modularized coagulative precipitation tank capable of being quickly disassembled and assembled
The coagulation sedimentation tank, with its modular design and fastener connections, overcomes the height limitations of traditional sedimentation tank transportation and construction, achieving efficient and flexible construction and sealing, while reducing transportation and installation costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional coagulation sedimentation tanks face significant limitations during transportation and construction, resulting in high transportation costs or the need for on-site welding and installation, which increases construction difficulty and time, thus limiting their widespread application.
The modular design divides the pool into multiple longitudinally detachable sections, each no more than 2m high, which are connected by fasteners and seals. Combined with self-locking anti-loosening washers and a double sealing structure, it enables quick assembly and disassembly and efficient transportation.
It reduces transportation costs and time, simplifies the on-site installation process, improves construction efficiency and flexibility, and ensures sealing and connection stability.
Smart Images
Figure CN224062539U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment equipment technical field, concretely relates to a modularization quick dismounting type coagulation sedimentation tank. BACKGROUND
[0002] In the sewage treatment system, the coagulation sedimentation tank as the core equipment to realize the sewage pretreatment plays the key role of removing the suspended solids and colloidal substances in the sewage, and the treatment effect is directly related to whether the subsequent water quality can meet the discharge standard or create conditions for the advanced treatment.
[0003] However, the design of the traditional coagulation sedimentation tank has many technical defects to be solved. Since the sedimentation height requirement is usually not less than 4 m, and the conventional road transport height limit is usually not higher than 2.5 m, the contradiction leads to the coagulation sedimentation tank of the traditional integral structure to be transported in a high-cost over-limit transportation mode or to be welded and installed on site. The welding and installation on site not only increase the construction difficulty, but also greatly prolong the construction period.
[0004] In summary, the limitations of the traditional coagulation sedimentation tank in transportation, installation and construction efficiency have become the key bottleneck hindering its wide application. Therefore, it is urgent to develop a new type of coagulation sedimentation tank design. SUMMARY
[0005] In view of the deficiencies in the prior art, the utility model provides a modularization quick dismounting type coagulation sedimentation tank.
[0006] The utility model discloses a modularization quick dismounting type coagulation sedimentation tank, including segmented pool body and the bottom detachable connection of mud bucket at it;
[0007] The segmented pool body is composed of multiple pool bodies that are longitudinally detachably connected, and the height of each pool body is not higher than 2 m;
[0008] The adjacent two pool bodies and the mud bucket and the segmented pool body are tightly connected through fasteners and are sealed through first sealing members.
[0009] As a further improvement of the utility model, the bottom of each pool body is ringed with first angle steel flanges, the top of the multiple pool bodies except the uppermost segment and the top of the mud bucket are ringed with second angle steel flanges, and the second angle steel flanges cooperate with the first angle steel flanges.
[0010] The first and second angle steel flanges are provided with the first sealing members, and the multiple fasteners pass through and connect the adjacent first and second angle steel flanges to complete the tight sealing connection of the adjacent two pool bodies, the lowermost pool body and the mud bucket.
[0011] As a further improvement of the utility model, the fastener comprises a stud bolt and a self-locking anti-loose washer.
[0012] The stud bolt penetrates the adjacent first and second angle steel flanges from top to bottom, and the two ends of the stud bolt are locked by lock nuts.
[0013] The self-locking anti-loose washers are arranged between the upper lock nuts and the upper surfaces of the first angle steel flanges and between the lower lock nuts and the lower surfaces of the second angle steel flanges, and the upper surfaces of the first angle steel flanges and the lower surfaces of the second angle steel flanges are provided with grooves for accommodating the self-locking anti-loose washers.
[0014] As a further improvement of the utility model, the first sealing member is a nitrile rubber pad, which is arranged between the adjacent first and second angle steel flanges and is fastened and sealed by the fastener.
[0015] The abutting surfaces of the first and second angle steel flanges are provided with anti-skid grooves for increasing the friction of the nitrile rubber pad.
[0016] As a further improvement of the utility model, a second sealing member is further provided, which is a chloroprene rubber strip.
[0017] The chloroprene rubber strip is fixed around the inner joints between the adjacent pool bodies and between the lowermost pool body and the hopper.
[0018] As a further improvement of the utility model, the sidewall of at least one segment of the pool body is provided with a transparent observation window for real-time monitoring of the accumulation of sediments.
[0019] As a further improvement of the utility model, the hopper comprises a hopper part and supporting legs for supporting the hopper part and the sectional pool body.
[0020] The bottom of the hopper part is provided with a sludge discharge port, and the hopper part is further provided with an inclined flow guide surface, and the angle of the inclined flow guide surface is 55°±5°.
[0021] As a further improvement of the utility model, the hopper part is further provided with an anti-caking stirring mechanism.
[0022] Compared with the prior art, the utility model has the advantages of:
[0023] The utility model discloses a split type pool body and the mud bucket are split, set up the sectional pool body and the detachable connection mud bucket at its bottom, the sectional pool body is by the detachable connection of multiple pool bodies in longitudinal direction constitutes, and the height of each pool body is all not higher than 2m, the volume and the weight of every part are greatly reduced, can adopt conventional transportation mode and transport, avoid the demand of special transportation.
[0024] The utility model discloses split multiple pool bodies and mud bucket are connected through fastener, compared with the need of large hoisting equipment and professional installation team when installing traditionally, the utility model discloses simple and quick assembly process, reduces the time and manual cost of on -the -spot installation.
[0025] The utility model discloses set up first sealing element and second sealing element, realized the double sealing between multiple pool bodies, the pool body and mud bucket, effectively guaranteed the sealing property reliability of coagulation sedimentation tank.
[0026] The utility model discloses set up self -locking lock washer, compared with the dependence ordinary washer, the connection stability is improved significantly, and the maintenance frequency is reduced. ACCURACY OF DRAWINGS
[0027] Figure 1 The structure diagram of modularization quick detachable coagulation sedimentation tank of one embodiment of the utility model is disclosed;
[0028] Figure 2 The assembly diagram of modularization quick detachable coagulation sedimentation tank of one embodiment of the utility model is disclosed;
[0029] Figure 3 For Figure 2 The enlarged view of A part in the middle;
[0030] Figure 4 The transportation process schematic diagram of modularization quick detachable coagulation sedimentation tank of one embodiment of the utility model is disclosed.
[0031] In the drawing:
[0032] 1, sectional pool body;11, pool body;2, mud bucket;21, mud bucket part;211, sludge discharge port;22, support leg;3, first angle steel flange;4, second angle steel flange;5, fastener;51, stud;52, upper locking nut;53, self -locking lock washer;54, lower locking nut;6, nitrile rubber pad;7, neoprene strip;8, lifting lug. DETAILED DESCRIPTION
[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0034] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0035] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0036] The present invention will now be described in further detail with reference to the accompanying drawings:
[0037] like Figure 1 As shown, a modular quick-assembly coagulation sedimentation tank according to the present invention includes a segmented tank body 1 and a sludge hopper 2. The sludge hopper 2 is detachably connected to the bottom of the segmented tank body 1. The segmented tank body 1 is composed of multiple longitudinally detachably connected tank sections 11, and the height of each tank section 11 is no higher than 2m. Adjacent tank sections 11 and the sludge hopper 2 and the segmented tank body 1 are fastened together by fasteners 5 and sealed by a first sealing element.
[0038] In this embodiment, by separating the pool body 11 from the mud hopper 2, a segmented pool body 1 and a mud hopper 2 detachably connected to its bottom are set up. The segmented pool body 1 is composed of multiple longitudinally detachably connected pool body segments 11, each segment 11 having a height not exceeding 2m. This significantly reduces the volume and weight of each part, allowing for transportation using conventional methods and avoiding the need for special transportation. This design greatly reduces transportation costs and time, improving the overall efficiency of the project. Furthermore, the disassembled pool body segments 11 and mud hopper 2 are all connected by fasteners 5, making the assembly process simple and quick compared to traditional installations that require large lifting equipment and professional installation teams, reducing on-site installation time and labor costs. The modular assembly method also makes construction more flexible and efficient.
[0039] Specifically:
[0040] like Figures 1-3 As shown, in the above embodiment, preferably, a first angle steel flange 3 is welded around the bottom of each section of the pool body 11, and a second angle steel flange 4 is welded around the top of the multiple sections of the pool body 11 except the uppermost section, as well as the top of the mud hopper 2. The second angle steel flange 4 cooperates with the first angle steel flange 3. In this embodiment, except for the uppermost section of the pool body 11, the pool body structure penetrates vertically through the pool body 11.
[0041] In the above embodiments, preferably, the first angle steel flange 3 and the second angle steel flange 4 can be pre-welded to the pool body 11 and the mud hopper 2.
[0042] When the pool body 11 is connected to the pool body 11, the first angle steel flange 3 at the bottom of the uppermost pool body 11 is aligned with the second angle steel flange 4 at the top of the second pool body 11. At this time, the bolt holes on the first angle steel flange 3 and the second angle steel flange 4 are aligned. The first sealing element is placed between the first angle steel flange 3 and the second angle steel flange 4. Multiple fasteners 5 pass through and connect to the multiple bolt holes on the first angle steel flange 3 and the second angle steel flange 4 to complete the tight connection between the uppermost pool body 11 and the second pool body 11. In this embodiment, the first sealing element is also fastened by multiple fasteners 5. The connection between the remaining pool bodies 11 and the lowermost pool body 11 and the mud hopper 2 is the same as described above and will not be repeated here.
[0043] like Figure 3As shown, in the above embodiment, preferably, the fastener 5 includes a double-ended bolt 51 and a self-locking anti-loosening washer 53; the double-ended bolt 51 passes through multiple bolt holes on the adjacent first angle steel flange 3 and the second angle steel flange 4 from top to bottom, and both ends of the double-ended bolt 51 are locked by lock nuts; wherein, a self-locking anti-loosening washer 53 is provided between the upper lock nut 52 and the upper surface of the first angle steel flange 3, and between the lower lock nut 54 and the lower surface of the second angle steel flange 4, and a groove for accommodating the self-locking anti-loosening washer 53 is provided on the upper surface of the first angle steel flange 3 and the lower surface of the second angle steel flange 4.
[0044] In the above embodiments, preferably, the self-locking anti-loosening washer 53 is a double-layered self-locking anti-loosening washer. In this embodiment, by setting the self-locking anti-loosening washer 53, compared with the traditional flange relying on ordinary gaskets, which are prone to loosening under long-term vibration and require frequent maintenance, this embodiment uses a mechanical interlocking design to offset the influence of dynamic loads, significantly improving connection stability and reducing maintenance frequency by up to 70%.
[0045] In the above embodiments, preferably, the diameter of the double-ended bolt 51 is M20-M24.
[0046] In the above embodiment, preferably, the first sealing element is a nitrile rubber gasket 6, which is disposed between adjacent first angle steel flanges 3 and second angle steel flanges 4, and is secured and sealed by fasteners 5. In this embodiment, the mating surfaces of the first angle steel flange 3 and the second angle steel flange 4 are provided with anti-slip grooves to increase the friction between the nitrile rubber gasket 6 and the first and second angle steel flanges 3 and 4. The Shore hardness of the nitrile rubber gasket 6 is 70±5 degrees.
[0047] In the above embodiments, preferably, a second sealing element is also included, which is a neoprene strip 7; the neoprene strip 7 is looped and fixed at the inner joint between adjacent pool bodies 11 and at the inner joint between the lowest pool body 11 and the mud hopper 2. In this embodiment, the neoprene strip 7 is preferably a closed-cell neoprene strip with a density of 0.95 g / cm³. 3 .
[0048] In this embodiment, by setting the first sealing element and the second sealing element, a double seal is achieved between the multiple tank sections 11 and between the tank section 11 and the sludge hopper 2, which effectively ensures the sealing reliability of the coagulation sedimentation tank. Moreover, the double seal in this embodiment has been tested and found to have zero leakage after passing a 0.3MPa water pressure test, which meets the waterproof requirements for long-term operation.
[0049] In the above embodiments, preferably, at least one section of the side wall of the pool body 11 is provided with a transparent observation window, which is used to monitor the accumulation of sediment in real time.
[0050] In the above embodiments, preferably, the uppermost pool body 11 is also provided with an inlet and an outlet.
[0051] In the above embodiments, preferably, the wall thickness of the segmented pool body 1 is designed differently for each segment, and the wall thickness of the upper segment pool body 11 is reduced by 20%-30%.
[0052] In the above embodiment, preferably, the mud hopper 2 includes a mud hopper section 21 and support legs 22 for supporting the mud hopper section 21 and the segmented pool body 1; the bottom of the mud hopper section 21 is provided with a mud discharge port 211, and the mud hopper section 21 is also provided with an inclined guide surface, and the angle of the inclined guide surface is 55°±5°, and the surface roughness Ra of the inclined guide surface is ≤3.2μm, so as to ensure that the sediment can slide smoothly into the mud hopper 2.
[0053] In the above embodiments, preferably, an anti-caking stirring mechanism is also provided inside the mud hopper 21.
[0054] In the above embodiments, preferably, the mud hopper 2 is made of stainless steel, corrosion-resistant carbon steel, or high-strength plastic. In the above embodiments, preferably, both the pool body 11 and the mud hopper 2 are provided with lifting lugs 8 for easy hoisting.
[0055] In the above embodiments, preferably, the lifting lug 8 is set at a height of more than 200mm from the edge of the pool body 11 and the mud hopper 2.
[0056] like Figures 1-2 , Figure 4 As shown, the usage method of this embodiment is as follows:
[0057] 1. Transportation preparation:
[0058] The segmented pool body 1 is divided longitudinally into several independent sections, and the length of each section 11 is controlled to not exceed 2m to meet the height limit requirements (≤2.5 meters) for conventional road transportation.
[0059] Before transportation, a protective cover is installed at the connection between the pool body 11 and the mud hopper 2 to prevent damage caused by collision or vibration during transportation.
[0060] The disassembled pool sections 11 and mud hopper 2 are treated as independent transportation units and transported using standard transportation tools (such as container trucks).
[0061] 2. On-site assembly of segmented pool body 1:
[0062] Each section of the pool body 11 is connected to the self-locking anti-loosening washer 53 via double-ended bolts 51 along the first angle steel flange 3 and the second angle steel flange 4.
[0063] A double sealing structure is set at the connection. A nitrile rubber gasket 6 is placed between the first angle steel flange 3 and the second angle steel flange 4. Closed-cell neoprene strips are fixedly installed at the internal joints of each section of the pool body 11 to ensure the waterproof performance of the connection surface.
[0064] 3. Assembly of mud bucket 2:
[0065] Using hoisting equipment, the mud bucket 2 is placed at the bottom of the segmented pool body 1 and fixed with pre-welded first angle steel flange 3, second angle steel flange 4 and double-headed bolts 51; a double sealing structure is set at the connection, with a nitrile rubber gasket 6 placed between the first angle steel flange 3 and the second angle steel flange 4; and a closed-cell neoprene strip is fixedly installed at the internal joint between the bottom section of the pool body 11 and the mud bucket 2 to ensure the waterproof performance of the connection surface.
[0066] A sludge discharge port 211 is provided at the bottom of the sludge hopper 2, and a pneumatic or electric valve can be equipped to control the discharge of sediment.
[0067] An anti-caking stirring device is installed inside mud hopper 2 as needed to prevent sediment from clumping and ensure smooth mud discharge.
[0068] Support legs 22 are installed at the bottom of the mud bucket 2 to support the weight of the equipment and the dynamic load during operation.
[0069] 4. Sealing verification:
[0070] After assembly, a 0.3MPa water pressure test was conducted on the joints for 30 minutes to confirm that there was no leakage from the closed-cell neoprene strip and nitrile rubber gasket 6. During the test, the tightness of all connecting bolts was checked to ensure there was no loosening. The double-sealing design passed the 0.3MPa water pressure test with zero leakage, meeting the waterproof requirements for long-term operation.
[0071] 5. Maintenance and disassembly:
[0072] When maintenance is required on mud hopper 2, first close the inlet and drain the water from pool 11.
[0073] Unlock the double-headed bolt 51 of fastener 5 and use hoisting equipment to lift the mud hopper 2 off the pool body 11;
[0074] When disassembling and reinstalling mud hopper 2, replace it with a new closed-cell neoprene rubber strip to ensure that the sealing performance of the connection meets the 0.3MPa water pressure test standard.
[0075] 6. Operation and monitoring:
[0076] During equipment operation, the accumulation of sediment is monitored in real time through the transparent observation window on the side wall of pool 11.
[0077] When the sediment reaches a certain amount, open the sludge discharge port 211 at the bottom of the sludge hopper 2 to discharge it.
[0078] If the mud hopper 2 is equipped with an anti-caking stirring mechanism, the device can be activated periodically to prevent sediment from clumping and ensure smooth mud discharge.
[0079] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A modular quick detachable coagulation sedimentation tank characterized in that, The mud bucket is detachably connected to the bottom of the segmented pool body; The segmented pool body is composed of multiple pool bodies which are detachably connected longitudinally, and the height of each pool body is not higher than 2m; The adjacent two pool bodies and the mud bucket are fastened and sealed by fasteners and first sealing members.
2. The modular quick-disassembly coagulation sedimentation tank according to claim 1, characterized in that, The bottom of each pool body is ring-welded with first angle steel flanges, and the top of the pool bodies except the uppermost one and the top of the mud bucket are ring-welded with second angle steel flanges which are matched with the first angle steel flanges; The first sealing members are arranged between the adjacent first and second angle steel flanges, and multiple fasteners are respectively passed through and connected to the adjacent first and second angle steel flanges to complete the fastening and sealing connection of the adjacent two pool bodies and the mud bucket.
3. The modular quick-disassembly coagulation sedimentation tank according to claim 2, characterized in that, The fasteners include studs and self-locking lock washers; The studs are passed through the adjacent first and second angle steel flanges from top to bottom, and the two ends of the studs are locked by lock nuts respectively; The self-locking lock washers are arranged between the upper lock nuts and the upper surfaces of the first angle steel flanges and between the lower lock nuts and the lower surfaces of the second angle steel flanges, and the upper surfaces of the first angle steel flanges and the lower surfaces of the second angle steel flanges are provided with grooves for accommodating the self-locking lock washers.
4. The modular quick-disassembly coagulation sedimentation tank according to claim 2, characterized in that, The first sealing members are nitrile rubber pads which are arranged between the adjacent first and second angle steel flanges and are fastened and sealed by fasteners; The abutting surfaces of the first and second angle steel flanges are provided with anti-skid grooves for increasing the friction of the nitrile rubber pads.
5. The modular quick-disassembly coagulation sedimentation tank according to claim 1, characterized in that, The second sealing members are chloroprene rubber strips; The chloroprene rubber strips are fixed at the inner joints between the adjacent pool bodies and between the lowermost pool body and the mud bucket.
6. The modular quick-disassembly coagulation sedimentation tank according to claim 1, characterized in that, The sidewalls of at least one pool body are provided with transparent observation windows for real-time monitoring of the accumulation of sediments.
7. The modular quick-disassembly coagulation sedimentation tank according to claim 1, characterized in that, The mud bucket includes a mud bucket part and supporting legs for supporting the mud bucket part and the segmented pool body; The bottom of the mud bucket part is provided with a mud discharge port, and the mud bucket part is further provided with an inclined flow guide surface with an angle of 55°±5°.
8. The modular quick-disassembly coagulation sedimentation tank according to claim 7, characterized in that The mud bucket part is further provided with an anti-caking stirring mechanism.