CN114229970B - Ship ballast water landing receiving, treating and recycling system - Google Patents
Ship ballast water landing receiving, treating and recycling system Download PDFInfo
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- CN114229970B CN114229970B CN202111494839.1A CN202111494839A CN114229970B CN 114229970 B CN114229970 B CN 114229970B CN 202111494839 A CN202111494839 A CN 202111494839A CN 114229970 B CN114229970 B CN 114229970B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 300
- 238000004064 recycling Methods 0.000 title claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 230000001954 sterilising effect Effects 0.000 claims abstract description 14
- 238000009991 scouring Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 239000010964 304L stainless steel Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 5
- 238000005536 corrosion prevention Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
-
- 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
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a ship ballast water landing receiving, treating and recycling system, which comprises at least one ballast water tank, a ballast water treatment system and a ballast water receiving system; the ballast water tank is a hollow cube tank body, an anti-scouring and anti-stilling ridge with a groove structure is arranged in the ballast water tank and right below the water inlet, and a cobble layer is laid in the groove; the ballast water treatment system comprises a water inlet pipe, a water outlet pipe, a sterilizing water outlet pipe, an overflow pipe, a blow-down pipe, a recycling water pump, self-cleaning equipment, a sterilizing water inlet pipe, a power supply box and an electric control switch which are matched with each ballast water tank; the ballast water receiving system comprises a ballast water access pipeline formed by a movable hose arranged on a shore side fixed bracket and a multifunctional adapter connected to the front end, and a plurality of ballast water discharge pipelines formed by sequentially connecting the multifunctional adapter, a discharge pipe and a tail end valve; the system solves the problems of pipeline connection, flow matching, ship-shore connection hose fixation and the like of the current ballast water landing.
Description
Technical Field
The invention relates to the technical field of ship ballast water treatment, in particular to a ship ballast water landing receiving, treating and recycling system.
Background
The ship ballast water is an indispensable part of a ship for controlling the trim, trim and steady draft of the ship while the ship is underway. According to the regulations of International Ship ballast Water and sediment control and management convention, all ships entering the sea area of the contract country must be provided with a ship ballast Water treatment system approved by IMO, and the discharge of the ballast Water must meet the D-2 standard requirement, so that the ship ballast Water is generally reused by means of landing receiving, treating and recycling when the ship is on shore, such as dust suppression of a coal yard, green watering, road dust removal and the like.
At present, the following problems mainly exist in the process of receiving, processing and recycling the ship ballast water landing:
(1) The problem of connection of a ballast water landing receiving ship and a shore pipeline; specifically, through statistics and investigation, the ballast water discharge pipeline in the ship is transformed in the current large ships, and the modified ship is provided with a ballast water discharge port on a deck, wherein most of the discharge ports are in the form of flanges, so that the ballast water can be conveniently received and utilized on the shore. However, the flange of the ballast water discharge port of each ship is inconsistent in size, and a lot of difficulties are brought to the landing acceptance of the ballast water;
(2) The problem of matching the flow of ship and shore equipment; specifically, the tonnage of a part of ships is larger, and the rated flow of a ballast water discharge pump equipped with the ship is also larger. For example, a ship with a search tonnage of 4.6 ten thousand tons is provided with a ballast water pump with a rated flow of 1000 tons/h. The small ballast water receiving equipment has smaller total capacity, the diameter of the prepared water receiving pipeline is smaller, the water receiving pipeline is not matched with the parameters of the ballast water carried by a large ship, the pipeline resistance is overlarge due to the larger flow, the impact force of high-speed water flow on the ballast water receiving equipment is also large, and the risk that the ballast water pump and the water tank of the ship are damaged under the huge water flow impact force exists;
(3) The problem of fixing the ship shore connection hose; specifically, a hose is generally used for receiving ballast water on the shore, and a ballast water discharge port of the ship is connected to a ballast water receiving pipe fixed on the shore by the hose. The hose is easy to bend when passing through the ship edge, and the water flow can generate larger resistance and make the hose vibrate back and forth through the bent pipe section, so that the overflow capacity of the pipeline is reduced, and even the ballast water pump in the ship is burnt out, and the safety of water receiving operation is influenced.
Disclosure of Invention
The invention aims to provide a ship ballast water landing receiving, treating and recycling system for treating ballast water into reclaimed water which can be used for dust suppression of coal yards, green land sprinkling and road dust removal.
For this purpose, the technical scheme of the invention is as follows:
a ship ballast water landing receiving, treating and recycling system comprises at least one ballast water tank, a ballast water treatment system and a ballast water receiving system; wherein,
the ballast water tanks are arranged on the bank side in a straight line along the extending direction of the bank line and are hollow cube box bodies; a first water inlet is formed in one side of the top surface of the ballast water tank, and a second water inlet is formed in the other side of the top surface of the ballast water tank; an overflow outlet is formed in the top of one side wall of the ballast water tank, and a reuse water outlet, a raw water outlet and an overflow inlet are formed in the bottom of the side wall of the ballast water tank at intervals; an anti-scouring and anti-stilling ridge fixed on the bottom surface of the tank body is arranged in the ballast water tank and right below the first water inlet, the anti-scouring and anti-stilling ridge is of a groove structure which is formed by a bottom plate and four side plates in a surrounding mode, an opening is formed in the top of the groove structure, and a cobble layer is laid in the groove;
the ballast water treatment system comprises a water inlet pipe, a water outlet pipe, a sterilizing water outlet pipe, an overflow pipe, a blow-down pipe, a recycling water pump, self-cleaning equipment, a sterilizing water inlet pipe, a power supply box and an electric control switch which are matched with each ballast water tank; one end of the water inlet pipe is communicated with a first water inlet on the ballast water tank, and the other end of the water inlet pipe is connected with water inlet pipes of other ballast water tanks to a water inlet main pipe; one end of the water outlet pipe is communicated with a reuse water outlet, and a reuse water pump is arranged on the water outlet pipe; the liquid inlet end of the self-cleaning device is communicated with the raw water outlet through a sterilizing water inlet pipe, and the liquid outlet end is connected with the second water inlet through a sterilizing water outlet pipe to form communication; one end of the overflow pipe is connected with the overflow outlet and communicated with the overflow inlet, and the other end of the overflow pipe is connected with the overflow outlet and communicated with the overflow inlet; one end of the blow-down pipe is communicated with the overflow pipe, and an electric control valve is arranged on the blow-down pipe; the power supply box is electrically connected with the reuse water pump, the self-cleaning equipment and the electric control valve through the electric control switch so as to control the opening/closing of each power utilization component through the electric control switch;
the ballast water receiving system comprises a ballast water access pipeline and a plurality of ballast water discharge pipelines; the ballast water access pipeline consists of a movable hose arranged on a shore side fixed bracket and a multifunctional adapter connected to the front end; each ballast water bleeder line is formed by sequentially connecting a multifunctional adapter, a bleeder line and a tail end valve; the movable hose belt and the bleeder pipe are both hose bodies which are formed by compounding a polyurethane outer pipe and a rubber inner pipe and are provided with double-layer structures, and fire-fighting standard interfaces are arranged at the two ends of the hose bodies through stainless steel hoops; the tail end valve is a hard pipe section with a valve, and a PVC ball valve is arranged in the middle of the pipe section; the multifunctional adapter is formed by sequentially connecting a large-size annular disc body positioned at the front end, a conical shell positioned at the middle section and a fire-fighting standard connector positioned at the rear end; inner ring inner wire holes, middle ring inner wire holes and outer ring inner wire holes are formed in the large-size annular disc body from the inner edge to the outer edge of the large-size annular disc body in sequence along the circumferential direction, each ring of flange holes is formed by four optical holes uniformly distributed along the circumferential direction, the opening positions of the inner ring flange holes are matched with the positions of the flange holes on DN100, the opening positions of the middle ring flange holes are matched with the positions of the flange holes on DN150, the opening positions of the outer ring flange holes are matched with the positions of the flange holes on the DN200 flange disc, and rubber gaskets and screws are arranged in each inner wire hole.
Further, the ballast water tank is arranged on the basis of the steel structure; the steel structure foundation is a rectangular frame body formed by constructing a plurality of 20# short I-shaped steels which are paved on the lower layer and are arranged in parallel and at equal intervals and a plurality of 10# long groove steels which are paved on the upper layer and are parallel and at equal intervals, and the plurality of 20# short I-shaped steels and the plurality of 10# long groove steels are mutually perpendicular and welded into a whole; the spacing between adjacent 20# short I-steel is 1m, and the spacing between adjacent 10# long groove steel is 1m.
Further, the ballast water tank is a 304L stainless steel water tank with an internal volume of 200m 3 ～1000m 3 The height of the box body is 3-5 m; the outside dimension of the anti-scouring relief ridge is length, width and height=800 mm, 800mm, 500mm, the inside groove dimension is length, width and height=500 mm, 500mm, 350mm, the thickness of the cobble layer is 200mm, and the anti-scouring relief ridge is formed by paving cobbles with the particle size of 10-20 mm.
Further, a liquid level meter for detecting the liquid level inside the tank body is arranged on the outer wall of the ballast water tank.
Further, a maintenance manhole is formed on the top surface of the ballast water tank and adjacent to the first water inlet, and a ladder stand is arranged on the side wall of the tank body adjacent to the maintenance manhole.
Further, the water inlet pipe and the water outlet pipe are all made of hard HP/P pipes with the pipe diameters of N100-N150; the water inlet end of the water inlet main pipe adopts a fire control standard joint with DN 100-DN 150.
Further, the shore side fixing bracket comprises a diversion structure and a fixing structure; wherein,
the flow guiding structure consists of two identical arc pipes and a plurality of semicircular rings; the two arc-shaped pipes are arranged in parallel in an interval manner in a way that the outer arc surfaces face upwards, a plurality of semicircular rings are arranged at equal intervals from one end to the other end of the two arc-shaped pipes, and two ends of each semicircular ring are respectively welded on the inner arc surfaces of the two arc-shaped pipes;
the fixing structure consists of a vertical limiting part and a horizontal limiting part which are mutually perpendicular; the vertical limiting piece is a U-shaped frame body, and two ends of the vertical limiting piece are fixed on an intrados surface close to the front ends of the two arc-shaped pipes; the transverse limiting piece comprises two horizontal pipes, one ends of the two horizontal pipes are respectively fixed on the inner cambered surfaces of the two arc-shaped pipes, and the lower sides of the other ends of the two horizontal pipes are respectively fixed with the top ends of two vertically arranged limiting vertical pipes; a connecting transverse pipe is also fixed between the two horizontal pipes and near the other end of the horizontal pipes; a reinforcing pipe is also obliquely connected and fixed between the horizontal pipe and the arc-shaped pipe.
Further, the arc-shaped pipe is an arc-shaped steel pipe which is formed by equally dividing an elliptical pipe with a long axis of 75cm and a short axis of 60cm into four sections; the interval distance between two identical arc-shaped pipes is 13 cm-18 cm; the length of the vertical limiting piece in the vertical direction is 75cm; the intersection point of the arc-shaped pipe of the vertical limiting piece and the extension line of the arc-shaped pipe of the horizontal limiting piece is positioned at the vertex on the elliptical short shaft; the bottom of the vertical limiting piece and the bottom of the horizontal limiting piece are positioned on the same plane, and the distance between the two is 10cm.
Further, the lengths of the movable hose band and the bleeder tube are 20-30 m, and the pipe diameter of the movable hose band is consistent with that of the water inlet pipe.
Further, the aperture of each of the inner wire holes of the inner ring, the middle ring and the outer ring is DN15.
Compared with the prior art, the ship ballast water landing receiving, treating and recycling system has the beneficial effects that:
(1) The ballast water tank of the system is internally provided with an anti-scouring and anti-dissipating sill, the tank body is arranged on the shore side through a steel structure foundation, the structural size of the tank body is designed and limited, the service life is prolonged, and the weight of the unit area born by a wharf due to unsuitable structure and size is avoided;
(2) The ballast water receiving system of the system not only redesigns a ballast water access pipeline which is in butt joint with a ship ballast water discharge port, but also is provided with a ballast water discharge pipeline for controlling the liquid flow in the ballast water access pipeline, so that after the ship starts a ballast water pump, a worker can adjust the discharge flow and the water inlet pipe flow of the ballast water receiving system by adjusting the opening and closing degree of a discharge pipe valve; the flexible pipes used for the ballast water access pipeline and the ballast water discharge pipeline are of double-layer structures formed by compounding the polyurethane outer pipe and the rubber inner pipe so as to ensure that the flexible pipes have certain pressure bearing capacity, and meanwhile, the ballast water access pipeline is specially designed with a shore side fixing bracket item, so that the flexible pipes smoothly and stably penetrate through the edge of a ship to be in butt joint with a ballast water discharge port, and the flexible pipes can be prevented from shaking back and forth in the water receiving process while bending is avoided;
(3) The ballast water receiving system of the system aims at the problem that the sizes of flanges of ballast water discharge ports of various ships are inconsistent, a multifunctional adapter is designed, flange connecting holes which can respectively correspond to the sizes of DN100, DN150 or DN200 of the current ballast water discharge ports are designed at the front end of the multifunctional adapter, and meanwhile, small-size apertures are sealed by using screws and rubber gaskets with proper sizes to prevent leakage.
Drawings
FIG. 1 is a schematic diagram of a system for receiving, treating and recycling ship ballast water onshore according to the present invention;
FIG. 2 is a top view of an anti-scour relief ridge of the ship ballast water landing receiving, processing and recycling system of the present invention;
FIG. 3 is a side cross-sectional view of an anti-scour relief ridge of the ship ballast water landing receiving, processing and recycling system of the present invention;
FIG. 4 is a top view of the steel structural foundation of the ship ballast water landing receiving, processing and recycling system of the present invention;
FIG. 5 is a schematic view of the construction of a shore side stationary support of the ship ballast water landing receiving, handling and recycling system of the present invention;
FIG. 6 is a front view of a universal adapter for the ship ballast water landing receiving, processing and recycling system of the present invention;
fig. 7 is a side view of a universal adapter for a ship ballast water landing receiving, handling and recycling system of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific examples, which are in no way limiting.
As shown in fig. 1, the ship ballast water landing receiving, treating and recycling system comprises two ballast water tanks, a ballast water treatment system and a ballast water receiving system. Wherein,
the two ballast water tanks are arranged on the bank 17 in a straight line along the extension direction of the bank line; based on the problem of overlarge weight per unit area of the wharf, the ballast water tank is a water tank with a cubic structure made of 304L stainless steel water tank material, and the internal volume of the tank body is 500m 3 The total volume of the two ballast tanks is 1000m 3 The method comprises the steps of carrying out a first treatment on the surface of the Meanwhile, in order to control the load of the unit bottom area of the water tank, the height of the tank body is 5m, and when the water tank is used, the height (the height of the water tank is-0.15 m) of the inner side of the water tank is 4.85m;
as shown in fig. 1, a first water inlet A is formed in one side of the top surface of the ballast water tank, and a second water inlet B is formed in the other side of the top surface of the ballast water tank; an overflow outlet E is formed in the top of one side wall of the ballast water tank, and a reuse water outlet C, a raw water outlet D and an overflow inlet F are formed at the bottom of the side wall of the ballast water tank at intervals;
as shown in fig. 2, in order to reduce the flushing of the water tank by the water flow in the water inlet pipe, an anti-flushing relief ridge is also arranged in the ballast water tank; the anti-scouring force-dissipating ridge is arranged right below the first water inlet, is of a groove structure which is surrounded by a bottom plate and four side plates, is provided with an opening at the top, and is internally paved with a cobble layer; specifically, the bottom plate of the anti-scour relief ridge has dimensions of length×width×thickness=800 mm×800mm×150mm, and is welded and fixed on the inner bottom surface of the ballast tank; the thickness of the four side plates is 150mm, the height is 500mm, a groove with the length multiplied by the width multiplied by the height multiplied by 500mm multiplied by 350mm is formed in the center of the four side plates, and correspondingly, the cobble layers paved in the grooves are paved by cobbles with the particle diameters of 10-20 mm, and the thickness of the cobble layers is 200mm; in terms of material selection, the scour prevention and relief ridge is formed by integrally constructing stainless steel of the same grade as the ballast water tank and the water tank main body;
each water tank is arranged on a steel structure foundation; as shown in fig. 2, the steel structure foundation is a rectangular frame body formed by 11 parallel and equidistant 20# short I-steel bars laid on the lower layer and 5 parallel and equidistant 10# long groove steel bars laid on the upper layer, and the 11 20# short I-steel bars and the 5 10# long groove steel bars are mutually perpendicular and welded into a whole; specifically, the distance between adjacent 20# short I-steel plates is 1m, and the distance between adjacent 10# long groove steel plates is 1m; the integral steel structure foundation is subjected to corrosion prevention treatment by adopting epoxy ethylene resin.
As a preferable technical scheme of the embodiment, a liquid level meter for detecting the liquid level inside the tank body is arranged on the outer wall of the ballast water tank, and specifically, the liquid level meter adopts a magnetic flap liquid level meter.
As another preferable technical scheme of the present embodiment, in order to facilitate the regular inspection and maintenance of the tank internal structure, a maintenance manhole 10 is opened on the top surface of the ballast water tank adjacent to the first water inlet a, while a ladder stand 11 is provided on the side wall of the tank adjacent to the maintenance manhole 10.
The ballast water treatment system comprises a water inlet pipe 1, a water outlet pipe 2, a sterilizing water outlet pipe 3, an overflow pipe 4, a blow-down pipe 5, a recycling water pump 6, self-cleaning equipment 7, a sterilizing water inlet pipe 8, a power supply electric box 9 and an electric control switch which are matched with each ballast water tank; wherein,
one end of the water inlet pipe 1 is connected with a first water inlet A on the ballast water tank through a flange and communicated with water inlet pipes of other ballast water tanks, and the other end of the water inlet pipe is connected with a water inlet main pipe 13; specifically, the water inlet pipe 1 adopts a hard HDPE/PE pipe with the pipe diameter of DN150, so that the bearing capacity of the pipe is more than or equal to 0.8mpa; the water inlet end of the water inlet header pipe 13 adopts a fire control standard joint of DN 150;
one end of the water outlet pipe 2 is connected with the reuse water outlet C through a flange to form communication, the reuse water pump 6 is arranged on the water outlet pipe 2, and meanwhile, in order to avoid that a ballast water tank connected with one reuse water pump 6 cannot normally outlet water when the other reuse water pump 6 fails, a branch pipe used for being connected with the other reuse water pump 6 to form communication is also arranged on the water outlet pipe 2, and an electric control valve is arranged on the branch pipe; the other end of the water outlet pipe 2 is provided with an automatic rotating pipe section 14; specifically, the water outlet pipe 2 adopts a hard HDPE/PE pipe with the pipe diameter of DN 100-DN 150, so that the bearing capacity of the pipe is more than or equal to 0.8mpa; the recycled water pump is made of cast iron or 304l or above grade stainless steel, and the rated flow of the recycled water pump is 40-80 m 3 And/h, the rated lift is 20-30 m; the water outlet pipe 2 is connected with the water inlet end and the water outlet end of the reuse water pump by adopting flanges;
the self-cleaning device 7 is arranged on the adjacent side of the reuse water pump 6, the liquid inlet end of the self-cleaning device is connected with the raw water outlet D through the sterilizing water inlet pipe 8 and communicated with the raw water outlet D, and the liquid outlet end of the self-cleaning device is connected with the second water inlet through the sterilizing water outlet pipe 3 and communicated with the raw water outlet D; the self-cleaning apparatus 7 employs a commercially available product that sterilizes the ballast water by generating ozone by electrolysis. The self-priming pump is arranged in the disinfection equipment, so that the water carried in the water tank can be pressed into the disinfection equipment, the water can be fully contacted with ozone in the equipment, and the lift of the self-priming pump is more than or equal to 10m; meanwhile, the ozone electrolysis capacity of the disinfection equipment is matched with the total volume of the water tank, so that the ballast water in the water tank can be disinfected circularly every 24 hours, the ozone amount generated by the disinfection equipment is more than or equal to Q/6 (g/h), Q is the total volume of the water tank, and the unit is t;
one end of the overflow pipe 4 is connected with the overflow outlet E and communicated with the overflow inlet F, and the other end of the overflow pipe is connected with the overflow inlet F and communicated with the overflow outlet E, so that the overflow pipe can flow out of the overflow outlet E and flow back to the overflow inlet F under the action of gravity when more ballast water exists in the ballast water tank; one end of the blow-down pipe 5 is connected with the overflow pipe 4 and communicated with the overflow pipe, and an electric control valve is arranged at the port of the blow-down pipe and used for opening the electric control valve of the blow-down pipe 5 when the ballast water in the ballast water tank is excessive and discharging the excessive ballast water into the sea or other spare water tanks;
the power supply electric box 9 is electrically connected with each recycling water pump 6, each cleaning device 7 and each electric control valve through an electric control switch, and an independent control switch for controlling each power utilization component is arranged on the electric control switch so as to realize manual opening and closing according to different conditions; the whole shell of the distribution box is made of stainless steel, and has the dustproof and waterproof grade of IP45; the electrically controlled switches comprise in particular a first control switch 15 for controlling the electrically controlled valves and a second control switch 16 for controlling the respective reuse water pumps 6 and the respective cleaning devices 7.
The ballast water receiving system comprises a ballast water access pipeline and a plurality of ballast water discharge pipelines; wherein,
the ballast water access pipeline consists of a movable hose belt arranged on the shore side fixed bracket and a multifunctional adapter connected to one end of the movable hose belt; in particular, the method comprises the steps of,
the movable hose is used for connecting and communicating a ship ballast water gap with the water inlet end of the ballast water tank, is a hose which is formed by compounding a polyurethane outer pipe and a rubber inner pipe and has a double-layer structure, the pipe diameter of the hose is consistent with that of the water inlet pipe 1, and the length of the hose is 30m; the two ends of the movable hose are provided with fire-fighting standard interfaces made of aluminum alloy or cast iron materials through stainless steel hoops, and are subjected to corrosion prevention treatment by adopting epoxy ethylene resin; the bearing capacity of the movable hose and the fire-fighting standard interface is more than or equal to 0.8mpa;
in the use process, as the movable hose belt is easy to bend when passing the edge of the ship, the water flow can generate larger resistance and can generate large vibration when passing the bent pipe section, so that the overflow capacity of the pipeline is reduced, and even the ballast water pump in the ship is burnt out, and the safety of water receiving operation is influenced;
as shown in fig. 5, the shore side fixing bracket is made of galvanized steel pipe, and comprises a diversion structure and a fixing structure; the guide structure is used for smoothly guiding the hose from the ship edge to the quay shore, and the fixing structure is used for fixing the hose at the shore guardrail; wherein,
the flow guiding structure consists of two identical arc-shaped pipes 15a and a plurality of semicircular rings 15 b; the two arc-shaped pipes 15a are arranged in parallel and at intervals in a mode that the outer arc faces upwards, a plurality of semicircular rings 15b are arranged at equal intervals from one end to the other end of the two arc-shaped pipes 15a, and two ends of each semicircular ring 15b are respectively welded on the inner arc surfaces of the two arc-shaped pipes 15 a;
the fixing structure consists of a vertical limiting piece 15c and a horizontal limiting piece which are mutually perpendicular; wherein, the vertical limiting piece 15c is a U-shaped frame body, and two ends of the vertical limiting piece are fixed on the inner cambered surface near the front ends of the two arc-shaped pipes 15 a; the transverse limiting piece comprises two horizontal pipes 15d, one ends of the two horizontal pipes are respectively fixed on the inner cambered surfaces of the two arc-shaped pipes 15a, and the lower sides of the other ends of the two horizontal pipes are respectively fixed with the top ends of two vertically arranged limiting vertical pipes; a connecting transverse pipe is also fixed between the two horizontal pipes 15d and near the other end of the horizontal pipes; in order to further improve the structural strength of the fixing structure, a reinforcing pipe is also obliquely connected and fixed between the horizontal pipe 15d and the arc-shaped pipe 15 a.
Specifically, in the present embodiment, the arc-shaped pipe 15a is an arc-shaped steel pipe formed by equally dividing an elliptical pipe having a major axis of 75cm and a minor axis of 60cm into four sections; the interval distance between two identical arc-shaped pipes 15a is 13 cm-18 cm; the length of the vertical limiting piece in the vertical direction is 75cm; the intersection point of the arc-shaped pipe of the vertical limiting piece and the extension line of the arc-shaped pipe of the horizontal limiting piece is positioned at the vertex on the elliptical short shaft; the bottom of the vertical limiting piece and the bottom of the horizontal limiting piece are positioned on the same plane, and the distance between the two is 10cm.
The shore side fixing bracket is made of galvanized steel pipes, and the outer surface of the shore side fixing bracket is subjected to corrosion prevention treatment by adopting epoxy ethylene resin. Through field use verification, the shore side fixing support can better fix the pipeline and prevent the pipeline from bending.
Each ballast water bleeder line is formed by sequentially connecting a multifunctional adapter, a bleeder line and a tail end valve; the drainage pipe is a hose with a double-layer structure formed by compounding a polyurethane outer pipe and a rubber inner pipe, the pipe diameter of the hose is DN150, and the length of the hose is 20m; the two ends of the movable hose are provided with fire-fighting standard interfaces made of aluminum alloy or cast iron materials through stainless steel hoops, and are subjected to corrosion prevention treatment by adopting epoxy ethylene resin; the bearing capacity of the movable hose and the fire-fighting standard interface is more than or equal to 0.8mpa; the end valve is a hard pipe section with a valve, the total length of the pipe section is 80-100 cm, the diameter is 150mm, and a PVC ball valve is arranged in the middle of the pipe section; the two ends of the hard pipe section are fire-fighting standard interfaces of DN150, and the integral bearing capacity of the ballast water discharge pipeline is more than or equal to 0.8mpa.
As shown in fig. 5 and 6, the multifunctional adapter is formed by sequentially connecting a large-size annular disc body at the front end, a conical shell at the middle section and a fire-fighting standard connector at the rear end; the fire-fighting standard joint at the rear end is a fire-fighting standard joint with DN 100-DN 150; an inner ring inner wire hole, a middle ring inner wire hole and an outer ring inner wire hole are sequentially formed in the large-size annular disc body from the inner edge to the outer edge of the large-size annular disc body along the circumferential direction, each ring of flange holes is formed by four optical holes uniformly distributed along the circumferential direction, the opening position of each inner ring flange hole is matched with the position of each flange hole on DN100, the opening position of each middle ring flange hole is matched with the position of each flange hole on DN150, and the opening position of each outer ring flange hole is matched with the position of each flange hole on a DN200 flange plate, so that the multifunctional adapter is matched with the common DN100 size, DN150 size or DN200 size of a current ship ballast water discharge port; wherein, each internal thread hole diameter is DN15, and each internal thread hole is provided with a rubber gasket and a screw.
The main body of the adapter is made of cast iron or aluminum alloy, and is subjected to corrosion prevention treatment by epoxy ethylene resin. The bearing capacity of each part of the adapter is more than or equal to 0.8mpa. When the multifunctional adapter is used, one end of the multifunctional adapter is connected with the front end of the multifunctional adapter according to the size of the flange of the ballast water discharge port of the ship; for example, when the DN1 screw is connected with a DN200 ship flange, DN150 and DN100 internal thread holes are sealed by using DN1 screws and rubber gaskets, so that leakage is prevented.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (9)
1. The system for receiving, treating and recycling the ship ballast water on shore is characterized by comprising at least one ballast water tank, a ballast water treatment system and a ballast water receiving system; wherein,
the ballast water tanks are arranged on the bank side in a straight line along the extending direction of the bank line and are hollow cube box bodies; a first water inlet is formed in one side of the top surface of the ballast water tank, and a second water inlet is formed in the other side of the top surface of the ballast water tank; an overflow outlet is formed in the top of one side wall of the ballast water tank, and a reuse water outlet, a raw water outlet and an overflow inlet are formed in the bottom of the side wall of the ballast water tank at intervals; an anti-scouring and anti-stilling ridge fixed on the bottom surface of the tank body is arranged in the ballast water tank and right below the first water inlet, the anti-scouring and anti-stilling ridge is of a groove structure which is formed by a bottom plate and four side plates in a surrounding mode, an opening is formed in the top of the groove structure, and a cobble layer is laid in the groove;
the ballast water treatment system comprises a water inlet pipe, a water outlet pipe, a sterilizing water outlet pipe, an overflow pipe, a blow-down pipe, a recycling water pump, self-cleaning equipment, a sterilizing water inlet pipe, a power supply box and an electric control switch which are matched with each ballast water tank; one end of the water inlet pipe is communicated with a first water inlet on the ballast water tank, and the other end of the water inlet pipe is connected with water inlet pipes of other ballast water tanks to a water inlet main pipe; one end of the water outlet pipe is communicated with a reuse water outlet, and a reuse water pump is arranged on the water outlet pipe; the liquid inlet end of the self-cleaning device is communicated with the raw water outlet through a sterilizing water inlet pipe, and the liquid outlet end is connected with the second water inlet through a sterilizing water outlet pipe to form communication; one end of the overflow pipe is connected with the overflow outlet and communicated with the overflow inlet, and the other end of the overflow pipe is connected with the overflow outlet and communicated with the overflow inlet; one end of the blow-down pipe is communicated with the overflow pipe, and an electric control valve is arranged on the blow-down pipe; the power supply box is electrically connected with the reuse water pump, the self-cleaning equipment and the electric control valve through the electric control switch so as to control the opening/closing of each power utilization component through the electric control switch;
the ballast water receiving system comprises a ballast water access pipeline and a plurality of ballast water discharge pipelines; the ballast water access pipeline consists of a movable hose arranged on a shore side fixed bracket and a multifunctional adapter connected to the front end; each ballast water bleeder line is formed by sequentially connecting a multifunctional adapter, a bleeder line and a tail end valve; the movable hose belt and the bleeder pipe are both hose bodies which are formed by compounding a polyurethane outer pipe and a rubber inner pipe and are provided with double-layer structures, and fire-fighting standard interfaces are arranged at the two ends of the hose bodies through stainless steel hoops; the tail end valve is a hard pipe section with a valve, and a PVC ball valve is arranged in the middle of the pipe section; the multifunctional adapter is formed by sequentially connecting a large-size annular disc body positioned at the front end, a conical shell positioned at the middle section and a fire-fighting standard connector positioned at the rear end; an inner ring flange hole, a middle ring flange hole and an outer ring flange hole are sequentially formed in the large-size annular disc body from the inner edge to the outer edge of the large-size annular disc body along the circumferential direction, each ring of flange hole is formed by four light holes uniformly distributed along the circumferential direction, the opening position of the inner ring flange hole is matched with the position of the flange hole on DN100, the opening position of the middle ring flange hole is matched with the position of the flange hole on DN150, the opening position of the outer ring flange hole is matched with the position of the flange hole on DN200, and each flange hole is provided with a rubber gasket and a screw;
the shore side fixing support comprises a flow guiding structure and a fixing structure; the flow guiding structure consists of two identical arc pipes and a plurality of semicircular rings; the two arc-shaped pipes are arranged in parallel in an interval manner in a way that the outer arc surfaces face upwards, a plurality of semicircular rings are arranged at equal intervals from one end to the other end of the two arc-shaped pipes, and two ends of each semicircular ring are respectively welded on the inner arc surfaces of the two arc-shaped pipes; the fixing structure consists of a vertical limiting part and a horizontal limiting part which are mutually perpendicular; the vertical limiting piece is a U-shaped frame body, and two ends of the vertical limiting piece are fixed on an intrados surface close to the front ends of the two arc-shaped pipes; the transverse limiting piece comprises two horizontal pipes, one ends of the two horizontal pipes are respectively fixed on the inner cambered surfaces of the two arc-shaped pipes, and the lower sides of the other ends of the two horizontal pipes are respectively fixed with the top ends of two vertically arranged limiting vertical pipes; a connecting transverse pipe is also fixed between the two horizontal pipes and near the other end of the horizontal pipes; a reinforcing pipe is also obliquely connected and fixed between the horizontal pipe and the arc-shaped pipe.
2. The ship ballast water landing receiving, processing and recycling system according to claim 1, wherein the ballast water tank is provided on a steel structure basis; the steel structure foundation is a rectangular frame body formed by constructing a plurality of 20# short I-shaped steels which are paved on the lower layer and are arranged in parallel and at equal intervals and a plurality of 10# long groove steels which are paved on the upper layer and are parallel and at equal intervals, and the plurality of 20# short I-shaped steels and the plurality of 10# long groove steels are mutually perpendicular and welded into a whole; the spacing between adjacent 20# short I-steel is 1m, and the spacing between adjacent 10# long groove steel is 1m.
3. The system for receiving, processing and recycling ship ballast water on shore according to claim 1, wherein the ballast water tank is a 304L stainless steel water tank, the internal volume of the water tank is 200 m-1000 m, and the height of the tank body is 3-5 m; the outside dimension of the anti-scouring relief ridge is length, width and height=800 mm, 800mm, 500mm, the inside groove dimension is length, width and height=500 mm, 500mm, 350mm, the thickness of the cobble layer is 200mm, and the anti-scouring relief ridge is formed by paving cobbles with the particle size of 10-20 mm.
4. The system for receiving, processing and recycling ship ballast water on shore according to claim 1, wherein a level gauge for detecting the liquid level inside the tank is provided on the outer wall of the ballast water tank.
5. The system for receiving, processing and recycling ship ballast water on shore as set forth in claim 1, wherein a maintenance manhole is provided on the top surface of the ballast water tank adjacent to the first water inlet, and a ladder is provided on a side wall of the tank adjacent to the maintenance manhole.
6. The system for receiving, processing and recycling the ship ballast water on shore according to claim 1, wherein the water inlet pipe and the water outlet pipe are hard HP/P pipes with pipe diameters of N100-N150; the water inlet end of the water inlet main pipe adopts a fire control standard joint with DN 100-DN 150.
7. The system for receiving, treating and recycling the ship ballast water on shore according to claim 1, wherein the arc-shaped pipe is an arc-shaped steel pipe formed by equally dividing an elliptical pipe with a long axis of 75cm and a short axis of 60cm into four sections; the interval distance between two identical arc-shaped pipes is 13 cm-18 cm; the length of the vertical limiting piece in the vertical direction is 75cm; the intersection point of the arc-shaped pipe of the vertical limiting piece and the extension line of the arc-shaped pipe of the horizontal limiting piece is positioned at the vertex on the elliptical short shaft; the bottom of the vertical limiting piece and the bottom of the horizontal limiting piece are positioned on the same plane, and the distance between the two is 10cm.
8. The system for receiving, treating and recycling the ship ballast water on shore according to claim 1, wherein the length of the movable hose and the length of the bleeder are 20-30 m, and the pipe diameter of the movable hose are consistent with the pipe diameter of the water inlet pipe.
9. The ship ballast water landing receiving, processing and recycling system according to claim 1, wherein the aperture of each of the inner ring flange hole, the middle ring flange hole and the outer ring flange hole is DN15.
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