CN117509945A - Equipment platform for dredging, conditioning, filter pressing and residual water treatment - Google Patents
Equipment platform for dredging, conditioning, filter pressing and residual water treatment Download PDFInfo
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- CN117509945A CN117509945A CN202311420082.0A CN202311420082A CN117509945A CN 117509945 A CN117509945 A CN 117509945A CN 202311420082 A CN202311420082 A CN 202311420082A CN 117509945 A CN117509945 A CN 117509945A
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- conditioning
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- water treatment
- dredging
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 230000003750 conditioning effect Effects 0.000 title claims abstract description 80
- 238000003825 pressing Methods 0.000 title claims abstract description 38
- 239000010802 sludge Substances 0.000 claims abstract description 70
- 239000012535 impurity Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 23
- 239000003814 drug Substances 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 19
- 238000011085 pressure filtration Methods 0.000 claims description 16
- 230000009467 reduction Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims description 8
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 claims description 6
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000819 phase cycle Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims 1
- 238000012216 screening Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 208000005156 Dehydration Diseases 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses an equipment platform for dredging, conditioning, filter pressing and residual water treatment, which comprises: the sludge conditioning and conditioning system comprises a sludge conditioning vessel, a filter pressing and volume reducing vessel and a residual water treatment vessel, wherein the sludge conditioning vessel is connected with the sludge conditioning vessel, a centralized control room is arranged in the middle of the sludge conditioning vessel, an impurity removing system and a conditioning system are respectively arranged at the two ends of the sludge conditioning vessel, the impurity removing system is connected with the output end of the sludge conditioning vessel, a tail water collecting bin is arranged in the middle of the filter pressing and volume reducing vessel, filter pressing mechanisms are respectively arranged at the two ends of the sludge conditioning vessel, the equipment platforms for dredging, conditioning, filter pressing and residual water treatment collect and convey sludge through the sludge conditioning vessel, the sludge conditioning vessel carries out impurity removing and conditioning through the impurity removing system and the conditioning system, the sludge is transported to the sludge conditioning vessel through the sludge conditioning vessel for screening and impurity removing, then the sludge cake filtered out can be transported out by the sludge barge, the tail water can be directly discharged into river and lake after being treated, and the problem of dredging polluted water and the occupied land of sludge treatment can be avoided.
Description
Technical Field
The invention belongs to the technical field of environmental protection dredging, and particularly relates to an equipment platform for dredging, conditioning, press filtration and residual water treatment.
Background
The traditional dredging process and the sludge disposal scheme face two problems. The traditional sludge dredging equipment has the advantages that the disturbance on the bottom sludge is large when the bottom sludge is dredged, the bottom sludge is easy to diffuse in a water body, the influence on the water environment of the river and the lake is large, meanwhile, the concentration of the dredged bottom sludge is low, and the production efficiency is limited; secondly, the conventional dredging sludge disposal scheme adopts a land stacking mode to search proper storage areas (such as a fishpond, a low-lying land and the like, and prevent the overflow of sludge and sewage) around the dredging area for filling. With urban development, land resources are short, large-scale sites are difficult to provide for dredging soil treatment in subsequent dredging projects, and a treatment mode of continuously stacking sludge on land is impractical.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an equipment platform for dredging, conditioning, press filtration and residual water treatment, which solves the problems that the disturbance to the bottom mud is large, the diffusion is easy to form in a water body, the influence on the water environment of rivers and lakes is large and the land occupation of the silt heap is inconvenient in the prior art when the bottom mud is dredged.
In order to achieve the above purpose, the invention provides an equipment platform for dredging, conditioning, press filtration and residual water treatment, which comprises:
the cutter suction ship is connected with a sludge conditioning ship, a filter pressing capacity reduction ship and a residual water treatment ship;
the middle part of the sludge conditioning ship is provided with a centralized control room, the centralized control room is provided with a shore power box and a diesel generator set, two ends of the sludge conditioning ship are respectively provided with a impurity removing system and a conditioning system, and the impurity removing system is connected with the output end of the cutter suction ship;
the middle part of the filter pressing capacity reduction ship is provided with a tail water collecting bin, two ends of the sludge conditioning ship are respectively provided with a filter pressing mechanism, and the filter pressing mechanism is connected with the conditioning system;
the surplus water treatment ship is provided with a water accumulation pool, an MBBR pool, an air floatation pool and a clean water pool which are sequentially connected, and the water accumulation pool is connected with the tail water collection bin.
Optionally, the impurity removal system includes:
the vibrating screen is connected with the output end of the cutter suction dredger, the input end of the vibrating screen is connected with the output end of the cutter suction dredger, and the output end of the vibrating screen is provided with a particle conveying belt;
and the impurity removing pool is arranged below the vibrating screen and is used for collecting slurry of the vibrating screen.
Optionally, the conditioning system comprises:
the adjusting tank is connected with the impurity removing tank through a slurry pump, and a stirrer is arranged in the adjusting tank;
the medicament tank is connected with the regulating tank through a medicament dissolving device and a medicament adding pump;
and the feeding pump is connected with the regulating tank and used for pumping the regulated sewage to the filter-pressing capacity-reducing ship.
Optionally, the press filtration mechanism includes:
the plate-and-frame filter press is used for extruding mud into mud cakes;
and the collecting belt conveyor is arranged below the plate-and-frame filter press and used for collecting and outputting mud cakes.
Optionally, the vibrating screen comprises a coarse grid and a fine grid.
Optionally, the centralized control room is further provided with a flexible cable and a phase sequence detection module.
Optionally, the plate-and-frame filter press is further provided with a squeezing water tank, an air compressor, an instrument air storage tank and a back-blowing air storage tank.
Optionally, PAC and PAM are stored in the medicament tank.
Optionally, the sludge conditioning vessel, the filter pressing volume reduction vessel and the residual water treatment vessel are respectively steel integral welding vessels which are not self-propelled.
Optionally, the sludge conditioning vessel, the filter pressing volume reduction vessel and the residual water treatment vessel are connected end to end in sequence, and the cutter suction vessel is detachably connected with the head end of the sludge conditioning vessel.
The invention provides an equipment platform for dredging, conditioning, filter pressing and residual water treatment, which has the beneficial effects that:
the equipment platform for dredging, conditioning, filter pressing and residual water treatment is used for collecting and conveying sludge through the cutter-suction ship, the sludge conditioning ship is used for carrying out impurity removal and regulation through the impurity removal system and the conditioning system, the cutter-suction ship is used for conveying the sludge to the sludge conditioning ship for screening impurity removal, the sludge cake is subjected to dehydration and volume reduction through the filter-pressing volume reduction ship, the filtered sludge cake can be transported outwards through a dredger, tail water finally enters the residual water treatment ship, and can be directly discharged into a river and a lake after treatment, so that a large amount of dredging and dehydration treatment of bottom sludge can be completed on the water surface of the river and the lake, the problems of dredging polluted water body and occupation of sludge treatment are avoided, meanwhile, the problem of low sludge treatment efficiency is solved, the sludge dehydration reduction work cycle is effectively shortened, and the production efficiency of the whole process flow is improved. Meanwhile, the power supply can adopt shore power and a diesel generator set, and is suitable for different distances from shore through a double-driving mode, so that the production efficiency can be greatly improved, and the requirements of environmental protection are met.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
FIG. 1 shows a schematic structural diagram of an equipment platform for dredging, conditioning, pressure filtration and surplus water treatment according to an embodiment of the invention.
FIG. 2 shows a schematic structural view of a cutter suction dredger of an equipment platform for dredging, conditioning, pressure filtration and surplus water treatment according to an embodiment of the invention.
Fig. 3 shows a schematic structure of a sludge conditioning vessel of an equipment platform for dredging, conditioning, press filtration, and surplus water treatment according to an embodiment of the invention.
FIG. 4 shows a schematic structural diagram of a pressure filtration capacity reduction vessel of an equipment platform for dredging, conditioning, pressure filtration and surplus water treatment according to one embodiment of the invention.
Fig. 5 shows a schematic structural view of a residual water treatment vessel of an equipment platform for dredging, conditioning, press filtration, residual water treatment according to an embodiment of the present invention.
Reference numerals illustrate:
1. a cutter suction boat; 2. a sludge hardening and tempering ship; 21. a vibrating screen; 22. a particle conveyor belt; 23. a impurity removing pool; 24. a slurry pump; 25. a centralized control room; 26. a dosing box; 27. a medicament canister; 28. a feeding pump; 29. an adjusting tank; 291. a stirrer; 3. a filter pressing capacity reduction ship; 31. a plate and frame filter press; 32. summarizing a belt conveyor; 33. tail water collection bin; 34. a squeezing water tank; 35. an air compressor; 36. an instrument air storage tank; 37. back blowing the air storage tank; 38. a shore power box; 39. a diesel generator set; 4. a surplus water treatment ship; 41. a water accumulation pool; 42. an MBBR pool; 43. a coagulating sedimentation tank; 44. and a clean water tank.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1-5, an equipment platform for dredging, conditioning, press filtration and residual water treatment comprises:
the cutter suction dredger 1 is connected with a sludge conditioning ship 2, a filter pressing capacity reduction ship 3 and a residual water treatment ship 4;
the middle part of the sludge conditioning ship 2 is provided with a centralized control room 25, the centralized control room 25 is provided with a shore power box 38 and a diesel generator set 39, two ends of the sludge conditioning ship 2 are respectively provided with a impurity removal system and a conditioning system, and the impurity removal system is connected with the output end of the cutter suction ship 1;
the middle part of the filter pressing volume reduction ship 3 is provided with a tail water collecting bin 33, and both ends of the silt conditioning ship 2 are respectively provided with a filter pressing mechanism which is connected with a conditioning system;
the residual water treatment ship 4 is provided with a water accumulation tank 41, an MBBR tank 42, an air floatation tank 43 and a clean water tank 44 which are sequentially connected, and the water accumulation tank 41 is connected with the tail water collection bin 33.
Specifically, the cutter suction dredger 1 collects and conveys sludge, the sludge conditioning dredger 2 carries out impurity removal and regulation through an impurity removal system and a conditioning system, the cutter suction dredger 1 conveys the sludge to the sludge conditioning dredger 2 for impurity removal by screening, then the sludge is dehydrated and volume-reduced through the filter pressing volume-reducing dredger 3, the filtered sludge cake can be transported outwards through a mud barge, tail water finally enters the residual water treatment dredger 4, and indexes such as ammonia nitrogen, COD, SS, total phosphorus and total nitrogen after treatment can reach the surface level III standard and can be directly discharged into rivers and lakes. Meanwhile, the power supply can adopt shore power and a diesel generator set 39, and can adapt to different shore distances through a double-driving mode, so that the production efficiency can be greatly improved, the diesel pollution is reduced, the environmental protection requirement is met, and the requirements of mobile operation in different environments are met.
Further, the cutter suction dredger 1 adopts a variable frequency dredger control system, a high-concentration reamer device, a steel pile anchor cable for quick ship moving and reversing, and intelligent automatic control, a high-concentration dredging intelligent matching system of a ship is established, continuous and stable high-concentration dredging construction is realized, the cutter suction dredger can be used for dredging engineering of inland rivers, lakes and oceans, a flowing type biological film system in the MBBR tank 42 is provided with a filler, microorganisms for removing ammonia nitrogen and COD are loaded on the filler, aeration is assisted when dissolved oxygen is low, and effluent water can be directly discharged into rivers and lakes.
Furthermore, each hull can be provided with a centralized control room 25, and the functions of ship communication, shore communication and remote control are realized through the centralized control room 25, and the stable transmission of remote signals is realized through network combination construction. The remote control system is established, the remote control function of the water integrated platform is realized, and the remote return of historical data, real-time data and video information and the remote control of ship controllable equipment can be realized.
In this embodiment, the impurity removal system includes:
the vibrating screen 21, the vibrating screen 21 is connected with the output end of the cutter suction dredger 1, the input end of the vibrating screen 21 is connected with the output end of the cutter suction dredger 1, and the output end of the vibrating screen 21 is provided with a particle conveying belt 22;
a removing tank 23, the removing tank 23 is arranged below the vibrating screen 21 for collecting slurry of the vibrating screen 21.
Specifically, the slurry is first screened by a vibrating screen 21, the impurity particles are transported out by a particle conveyor belt, and the slurry enters a impurity removing tank 23.
In this embodiment, the conditioning system includes:
the regulating tank 29, the regulating tank 29 is connected with the impurity removing tank 23 through a slurry pump 24, and a stirrer 291 is arranged in the regulating tank 29;
a medicine tank 27, the medicine tank 27 is connected with an adjusting tank 29 through a medicine dissolver and a medicine adding pump 26;
and the feeding pump 28 is connected with the regulating tank 29, and is used for pumping the regulated sewage to the filter pressing capacity reduction ship 3.
Specifically, the slurry in the impurity removal tank 23 enters the regulating tank 29 through the slurry pump 24, the mixed medicament in the regulating tank 29 is regulated, and the treated slurry is transported to the filter-pressing capacity-reducing ship 3 through the feed pump 28.
Further, according to the characteristics of the sludge, a high-efficiency flocculating agent is selected to promote the dehydration of the sludge and improve the drainage performance, wherein the medicine dissolver is a full-automatic three-compartment flocculating agent preparation tank, and the efficiency of the medicine dissolver is regulated according to the concentration of the dredging slurry and the dredging efficiency.
In this embodiment, the press mechanism includes:
a plate and frame filter press 31 for pressing the slurry into a cake;
and a collecting belt conveyor 32, wherein the collecting belt conveyor 32 is arranged below the plate-and-frame filter press 31 and is used for collecting and outputting mud cakes.
Specifically, the mud is compressed into mud cakes through the plate-and-frame filter press 31, and the mud cakes are collected and transported uniformly through the collecting belt conveyor 32, the plate-and-frame filter press 31 and the ship are matched, the equipment model and the arrangement mode are determined, the water content of the mud is ensured to meet engineering requirements, and the production efficiency of the ship is improved while the maximization of the mud cake yield is ensured.
In this embodiment, the vibrating screen 21 includes a coarse grid and a fine grid.
Specifically, coarse gratings in the two-stage vibrating screen large-particle impurities, fine gratings screen small-particle impurities, and the two-stage screening avoids damaging the plate-and-frame filter press 31.
In this embodiment, the centralized control room 25 is further provided with a flexible cable and a phase sequence detection module.
Specifically, the power grid and the shore power box 38 are connected through a flexible cable to supply power, and the phase sequence detection module ensures the safety of electricity.
The flexible cable is a 3×25+1×16 shore power flexible cable with a length of 200 meters.
In the present embodiment, the plate and frame filter press 31 is further provided with a press water tank 34, an air compressor 35, an instrument air tank 36, and a blowback air tank 37.
Specifically, the working pressure of the plate-and-frame filter press 31 is provided by the squeezing water tank 34, and air sources are provided for the instrument air storage tank 36 and the blowback air storage tank 37 by the air compressor 35.
In the present embodiment, PAC and PAM are stored in the medicine tank 27.
In this embodiment, the sludge conditioning vessel 2, the pressure filtration capacity reduction vessel 3 and the surplus water treatment vessel 4 are enclosed as a steel integrally welded vessel that is not self-propelled.
In the embodiment, a sludge conditioning vessel 2, a filter pressing capacity reduction vessel 3 and a residual water treatment vessel 4 are connected end to end in sequence, and a cutter suction vessel 1 is detachably connected with the head end of the sludge conditioning vessel 2.
Specifically, the synchronous movement operation of each ship body or the movement and sludge collection operation of only the cutter suction boat 1 is selected according to the environment.
When the equipment platform for dredging, conditioning, filter pressing and surplus water treatment is used, taking river and lake use as an example, the shore power box 38 is used for connecting and respectively conveying shore power to three ship bodies, and when the construction distance is long, the main diesel generator set 39 is switched to supply power;
the stem of the cutter suction ship 1 is provided with a bridge frame, and the stern is provided with a double-steel pile trolley positioning device. The equipment consists of a main buoyancy tank, a trolley buoyancy tank and left and right buoyancy tanks positioned on two sides of the main buoyancy tank. The upper part of the main buoyancy tank is provided with an duty room and an operating room, and a bridge lifting winch, a traversing winch, cabin equipment, a mud pump device and the like are all arranged on the main buoyancy tank, so that the weight and the overall dimension of each detachable part can meet the requirements of ship land transportation;
after the cutter suction dredger 1 conveys the slurry to the sludge conditioning vessel 2, the slurry is firstly screened by the vibrating screen 21, then the slurry with the particle impurities removed is conveyed to the regulating tank 29, the chemical is added by the chemical adding pump 26, and the chemical and the slurry are fully mixed by the stirrer 291 in the regulating tank 29. Wherein the dredging mud density of the sludge conditioning vessel 2 is 1.14t/m 3 Flow rate 625m 3 And/h, three linear vibrating screens are used for vibration screening, and each vibrating screen passes through the flow of 500m 3 And (h) removing impurities with large particle size by using a screen with the screen size of 305mm multiplied by 30mm, wherein the mesh aperture of the coarse grid screen is 7mm, and removing impurities with small particle size by using a fine grid screen with the mesh aperture of 1 mm; a screening belt conveyor is arranged at the tail part of the vibrating screen to convey the screened impurities, and the bandwidth of the belt conveyor is 0.79m; mud Chi Rongji 1100m 3 The method comprises the steps of carrying out a first treatment on the surface of the Five transfer slurry pumps are equipped, the model is TZJK-6-420GJ-45KW-ZV, and each flow is 250m 3 /h; the regulating tank is provided with two regulating tanks, and each regulating tank has a volume of 600m 3 The method comprises the steps of carrying out a first treatment on the surface of the Three-chamber flocculant preparation tanks of automatic medicine dissolving machine are provided with five tanks, and each preparation amount is 20m 3 And/h, the configuration concentration is 1-3 per mill; the automatic medicine adding device adopts a screw pump and is provided with five pumps, and each flow is 25m 3 /h; the stirrer is arranged in the regulating tanks, the stirring diameter is 3.5m, 8 stirring tanks are provided, and each regulating tank is provided with 4 stirring tanks; the feeding plunger pump adopts an intelligent energy-saving feeding plunger pump with the maximum discharge capacity of 180m 3 And/h, eight stations are provided.
And then, the mud in the regulating tank 29 of the mud conditioning ship 2 enters a plate-and-frame filter press 31 for mud-water separation, mud cakes are conveyed to two sides by a collecting belt conveyor 32 and transported by a barge, and filter-pressing tail water is collected by a tail water collecting bin 33. Wherein, the plate frame is pressedThe filter adopts a diaphragm filter press with a filtering area of 800 square meters; the pressing mode is hydraulic pressing, and the maximum pressing pressure is 1.2MPa; the mud cake belt conveyor is provided with a branch belt conveyor and a collecting belt conveyor, the branch belt conveyor is positioned below each plate-and-frame filter press, the collecting belt conveyor is positioned at one end of the branch belt conveyor, the two-way rotating belt conveyor is adopted, and a plurality of outlets are arranged to convey mud cakes to the outside of the ship; the tail water collecting bin is arranged, 4 horizontal centrifugal pumps are arranged, and the flow is 400m 3 And/h, the lift is 17m, and the water is transferred to a residual water treatment ship.
And then the filter-pressing tail water is conveyed to a water accumulation tank 41 by a tail water collecting bin 33 for balancing the water quantity and the water quality, ammonia nitrogen, COD, SS and total phosphorus are removed by a flowing type biological membrane filter tank in an MBBR tank 42, and flocculating mud is removed by coagulating sedimentation by an air floatation tank 43.
The sludge is treated on the lake surface, mud and water are separated, water is returned to the lake and soil is returned to the land, so that the dredging soil is prevented from occupying a large amount of land. Meanwhile, the whole process of the production flow is monitored, the near end and the far end are controlled in a double mode, the intelligent dredging ship is automatically dredged, automatically inverted and anchored, the mud solidification links are automatically added with medicines, automatically stirred, automatically injected and automatically unloaded, the labor intensity of personnel is reduced, and the construction safety is improved.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. An equipment platform for dredging, conditioning, filter pressing and residual water treatment, which is characterized by comprising:
the cutter suction ship is connected with a sludge conditioning ship, a filter pressing capacity reduction ship and a residual water treatment ship;
the middle part of the sludge conditioning ship is provided with a centralized control room, the centralized control room is provided with a shore power box and a diesel generator set, two ends of the sludge conditioning ship are respectively provided with a impurity removing system and a conditioning system, and the impurity removing system is connected with the output end of the cutter suction ship;
the middle part of the filter pressing capacity reduction ship is provided with a tail water collecting bin, two ends of the sludge conditioning ship are respectively provided with a filter pressing mechanism, and the filter pressing mechanism is connected with the conditioning system;
the surplus water treatment ship is provided with a water accumulation pool, an MBBR pool, an air floatation pool and a clean water pool which are sequentially connected, and the water accumulation pool is connected with the tail water collection bin.
2. The equipment platform for dredging, conditioning, pressure filtration and residual water treatment according to claim 1, wherein the impurity removal system comprises:
the vibrating screen is connected with the output end of the cutter suction dredger, the input end of the vibrating screen is connected with the output end of the cutter suction dredger, and the output end of the vibrating screen is provided with a particle conveying belt;
and the impurity removing pool is arranged below the vibrating screen and is used for collecting slurry of the vibrating screen.
3. The equipment platform for dredging, conditioning, press filtration and residual water treatment according to claim 2, wherein the conditioning system comprises:
the adjusting tank is connected with the impurity removing tank through a slurry pump, and a stirrer is arranged in the adjusting tank;
the medicament tank is connected with the regulating tank through a medicament dissolving device and a medicament adding pump;
and the feeding pump is connected with the regulating tank and used for pumping the regulated sewage to the filter-pressing capacity-reducing ship.
4. The equipment platform for dredging, conditioning, pressure filtration and residual water treatment according to claim 1, wherein the pressure filtration mechanism comprises:
the plate-and-frame filter press is used for extruding mud into mud cakes;
and the collecting belt conveyor is arranged below the plate-and-frame filter press and used for collecting and outputting mud cakes.
5. The equipment platform for dredging, conditioning, pressure filtration and residual water treatment according to claim 2, wherein the vibrating screen comprises a coarse grid and a fine grid.
6. The equipment platform for dredging, conditioning, pressure filtration and residual water treatment according to claim 1, wherein the centralized control room is further provided with a flexible cable and a phase sequence detection module.
7. The equipment platform for dredging, tempering, pressure filtration and residual water treatment according to claim 4, wherein the plate-and-frame filter press is further provided with a squeezing water tank, an air compressor, an instrument air storage tank and a back-flushing air storage tank.
8. The equipment platform for dredging, tempering, pressure filtration and residual water treatment according to claim 3, wherein PAC and PAM are stored in the medicament tank.
9. The dredging, conditioning, pressure filtration and surplus water treatment equipment platform according to claim 1, wherein the sludge conditioning vessel, the pressure filtration and volume reduction vessel and the surplus water treatment vessel are respectively non-self-propelled steel integrally welded vessels.
10. The equipment platform for dredging, conditioning, pressure filtration and residual water treatment according to claim 9, wherein the sludge conditioning vessel, the pressure filtration capacity reduction vessel and the residual water treatment vessel are connected end to end in sequence, and the cutter suction vessel is detachably connected with the head end of the sludge conditioning vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311420082.0A CN117509945A (en) | 2023-10-30 | 2023-10-30 | Equipment platform for dredging, conditioning, filter pressing and residual water treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311420082.0A CN117509945A (en) | 2023-10-30 | 2023-10-30 | Equipment platform for dredging, conditioning, filter pressing and residual water treatment |
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| CN117509945A true CN117509945A (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311420082.0A Pending CN117509945A (en) | 2023-10-30 | 2023-10-30 | Equipment platform for dredging, conditioning, filter pressing and residual water treatment |
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| CN212894331U (en) * | 2020-05-29 | 2021-04-06 | 中国水利水电第十一工程局有限公司 | River and lake bottom mud tail water treatment system |
| CN113979611A (en) * | 2021-11-23 | 2022-01-28 | 天津高能时代水处理科技有限公司 | Sludge high-pressure plate-frame dehydration filter-pressing liquid full-quantification treatment system and treatment method |
| CN114772860A (en) * | 2022-05-05 | 2022-07-22 | 苏州水星环保工业***有限公司 | Rural black and odorous water body treatment method and device |
| CN218589883U (en) * | 2022-09-22 | 2023-03-10 | 江苏东方生态清淤工程有限公司 | Ship-borne dredging slurry instant drying treatment system |
| CN116290182A (en) * | 2023-01-31 | 2023-06-23 | 景津装备股份有限公司 | Medium-sized shipborne movable cutter suction and automatic filter pressing silt system and river dredging process |
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2023
- 2023-10-30 CN CN202311420082.0A patent/CN117509945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212894331U (en) * | 2020-05-29 | 2021-04-06 | 中国水利水电第十一工程局有限公司 | River and lake bottom mud tail water treatment system |
| CN113979611A (en) * | 2021-11-23 | 2022-01-28 | 天津高能时代水处理科技有限公司 | Sludge high-pressure plate-frame dehydration filter-pressing liquid full-quantification treatment system and treatment method |
| CN114772860A (en) * | 2022-05-05 | 2022-07-22 | 苏州水星环保工业***有限公司 | Rural black and odorous water body treatment method and device |
| CN218589883U (en) * | 2022-09-22 | 2023-03-10 | 江苏东方生态清淤工程有限公司 | Ship-borne dredging slurry instant drying treatment system |
| CN116290182A (en) * | 2023-01-31 | 2023-06-23 | 景津装备股份有限公司 | Medium-sized shipborne movable cutter suction and automatic filter pressing silt system and river dredging process |
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