85results about "Soil water drainages for ships" patented technology

The method for marine sewage treatment comprises the steps of (a) dispensing with each toilet flush a controlled amount of heterotrophic bacteria culture into the boat's holding tank in order to substantially denitrify the sewage and liquefy the solids, (b) pumping raw sewage from said holding tank to fill a radiation loop, (c) applying microwave energy for a predetermined duration to the raw sewage contained within said radiation loop in order to disinfect said sewage, and (d) passing the disinfected hot sewage through a phosphate filter to substantially reduce the phosphate level. The marine sewage treatment system comprises: a toilet, a connection from a water source to said toilet, a connection from a dispenser of heterotrophic bacteria culture to said toilet, a holding tank for toilet sewage having an inlet coupled to said toilet, a macerator pump having an inlet coupled to the outlet of said holding tank and an outlet coupled to the inlet of a radiation loop, a phosphate filter having an inlet connected to the outlet of said radiation loop, an effluent discharge pump having an inlet coupled to the outlet of the phosphate filter and an outlet coupled to an effluent discharge opening to the sea and structure for applying microwave energy to said radiation loop to substantially disinfect and heat the waste water effluent in said radiation loop before filtering out the phosphates and discharging the treated effluent into the sea.

A freshwater supply system that stores fresh water transported by transport ships in storage devices and takes out the fresh water from the freshwater storage devices at need to use the same. The system comprises management device that puts management information together and sends and receives various information of countries for demand of the fresh water, analysis information of the fresh water, and various information of transportation device for transportation of the fresh water to the countries. Magnitudes of movements, prices, origins of movement, and destinations of movement of the fresh water are decided from the information from the management device.

A vacuum tank assembly is provided for use on an RV or a boat and includes a two-piece vacuum tank. The two-piece vacuum tank includes a body and a removable top with a gasket located between the body and removable top. A dip tube is integrated into the removable top, thus, forming an opening in the removable top and thereby reducing maintenance problems associated with mechanically attached dip tube assemblies. A vacuum pump is provided to pump the waste out of the vacuum tank into a holding tank.

The invention relates to a vacuum sewage system, which includes a sanitary unit, such as a toilet unit, vacuum sewer piping (200) connected to the sanitary unit, a discharge valve between the sanitary unit and the vacuum sewer piping, and a vacuum generating device for generating vacuum in the vacuum sewer piping. The system comprises an on-line separator device (1) in the vacuum sewer piping (200, 201) and a first pump means (2) and a second pump means (3) connected in parallel with the on-line separator device (1). The first pump means (2) is a vacuum pump for generating vacuum in the vacuum sewer piping (200, 201) and for evacuating air from the sewage flow flowing into the on-line separator device (1) and the second pump means (3) is arranged for pumping mainly sewage from the sewage flow flowing into the on-line separator device (1).

The invention discloses a wastewater treating system for a bulk cargo ship. The system comprises a cabin and a deck; a wastewater chamber is arranged in the lower part of the cabin; a plurality of floor drains are arranged on the surface of the deck and are connected to the wastewater cabin through draining pipes; a cargo chamber is arranged in one side of the cabin; a sewage well, which is connected with the sewage chamber through a sucking pipe, is arranged in the lower part of the cargo chamber; the wastewater chamber is connected with an outboard discharging pipe and a bank connecting connector; a first water pump and a second water pump are arranged in the cabin. The wastewater treating system for the bulk cargo ship has the advantages that the pollution of cargos in the bulk cargo ship to a river is greatly reduced, the safety of drinking water for people living around the river is improved, a good environmental effect is brought, the working efficiency is increased, the energy consumption is decreased, and the durability is ensured.

The invention belongs to the field of automatic valves, and particularly relates to a marine sewage discharge control device with combination of an electronic map and an automatic valve. A microprocessor (2), a geographical analysis module (3), an information module (4), a sensor (5), a power module (6), a communication management module (7), a solenoid valve control terminal (8), a mechanical lock control terminal (9) and a real-time clock module (10) are arranged inside a marine automatic sewage discharge valve (1). The marine automatic sewage discharge valve (1) is externally connected with a ship-borne positioning system (11) and a ship-borne communication system (12), and the ship-borne communication system (12) is connected to a central data center (13). The marine sewage discharge control device can achieve the purpose that whether sewage discharge can be conducted at the position where a ship is located or not is automatically judged; dual locking of the sewage discharge valve can be conducted through the mechanical lock control terminal and the solenoid valve control terminal; the function that illegal sewage discharge of the ship is forbidden is fulfilled; and sewage discharge information can be uploaded to the central data center to achieve central control over the sewage discharge information.

A marine vessel (100) includes pipes and tubular fluid conduits which are a part of a waste water management system (102). The waste water management system includes CPVC piping (104) that is used to transport at least one of black water or gray water. The CPVC piping meets at least one fire endurance test set forth by the International Maritime Organization. Additionally or alternatively, the CPVC piping meets at least one test set forth in IMO A.653 (16).

A method for transferring and collecting waste material, especially food waste, in which method the s waste material is transferred in a pipe system (7) portion-like from a feed station (1) to a collecting tank (9) and possibly onwards to further processing, Waste material is transferred in the pipe system with a pump device (8) which is arranged to the pipe system (7) between the feed station and the collecting tank, in which case the waste material passes through the pump (8).

The invention provides a sewage draining exit troubleshooting method and troubleshooting device of an unmanned ship, the unmanned ship and a storage medium. The sewage draining exit troubleshooting method comprises the steps: receiving an advancing instruction sent by a control terminal, and navigating to a sewage draining exit doubtful point position according to the advancing instruction; receiving an acquisition instruction sent by the control terminal, obtaining surrounding water quality information through a monitoring module at the doubtful point position of the sewage draining exit, andobtaining surrounding image information through an image acquisition module; and transmitting the water quality information and the image information to the control terminal. According to the sewagedraining exit troubleshooting method and troubleshooting device of the unmanned ship, the unmanned ship and the storage medium, the technical problem that an existing unmanned ship is not suitable fortroubleshooting and monitoring work of a sewage draining exit is solved.

The invention discloses a sewage suction device capable of automatically winding and unwinding a pipeline. The sewage suction device comprises a shell, a hose, a winding and unwinding drum, a pipe winding and unwinding driving mechanism and a self-priming pump. A supporting mechanism is arranged in the shell; the hose is used for connecting a sewage discharge pipeline of a sewage storage device in a ship; the front end of the hose is provided with a quick connector connected with the end of the sewage discharge pipeline. The winding and unwinding drum comprises a rotating drum, a left baffle and a right baffle; the pipe winding and unwinding driving mechanism comprises a rotating shaft, a single-rotation reciprocating lead screw, a limiting pulley block, a motor and a transmission mechanism; a limiting pulley block is used for limiting the moving direction of the hose during winding and unwinding; a reciprocating lead screw is used for driving the limiting pulley block to reciprocate in the axial direction of a screw rod in the reciprocating lead screw; a transmission mechanism is used for enabling an output shaft of the motor to simultaneously drive the reciprocating lead screw and the drum to rotate; the hose in the suction device can be automatically wound through related mechanisms, so that the workload of operators is greatly reduced.

The invention relates to an automatic barge system for marine oil and sewage, more than one set of sewage wells comprises a plurality of sewage wells arranged in parallel, A piezoelectric sensor is arranged on each sewage well and is connected with a sewage barge pipe through a sewage electro-hydraulic proportional control valve, As that sewage barge pipe is barge by a screw pump, barge check valves connect to the main, An upper part of that oil-sewage tank is connected to a main pipe through an oil-sewage barge pipe with an oil-sewage water-electricity proportional control valve, The barge main is connected to the outboard or the barge bank, and the lower part of the oil and sewage tank is connected to the sewage barge pipe, piezoelectric sensor, barge screw pump, barge check valve, sewage electro-hydraulic proportional control valve, oil and sewage water proportional control valve, and the transfer electro-hydraulic proportional control valve through the transfer pipe with the transfer electro-hydraulic proportional control valve, and is connected to the main control box. The system can effectively store, barge and control the final discharge of all kinds of sewage from ships, ensure the effective control of domestic drainage of ships, and is conducive to improve the convenience and practicability of ship life.

The invention discloses a slow-closing type airtight water drainage system and belongs to the technical field of water drainage systems. The slow-closing type airtight water drainage system comprisesa compressor, a pressure exchange device, a drainage pipe and a sewage storage container. The compressor, the drainage pipe and the pressure exchange device are in fit connection. One end of the drainage pipe is in fit connection with the sewage storage container, and the other end of the drainage pipe is connected with a gravity pipeline of the sewage drainage system. According to the slow-closing type airtight water drainage system, delay of opening and closing is achieved, so that thorough sewage drainage is guaranteed; by using the small pipe for sewage drainage, the occupied space is small, the appearance is attractive, the flux is large, and the airtightness is good; and the water drainage distance is 10-50 m, so that the slow-closing type airtight water drainage system is suitable for long distance water drainage such as bathrooms and water drainage pipes and also suitable for dispersion type centralized drainage places such as cruises and subways.

Process for treating waste water on ships in which the waste water is pretreated by surface filtration, the pretreated waste water being collected in a first tank acting as a mixing tank and optionally enriched with oxygen. The waste water from the first tank is continuously fed to a three stage bioreactor, in which aerobic waste water treatment takes place in a second tank, waste water is fed in batches from a second tank to a third sealed tank, in which denitrification and sedimentation of the solids takes place. Water from the third tank is fed into a fourth tank acting as a settling tank with the largest part of the sludge being recirculated in batches from the third tank into the first tank and, after disinfection, the water from the fourth tank is subjected to fine filtration.

The invention provides a floor drain type drainage device for an aluminum alloy ship. The device comprises a floor drain base plate having the bottom with a circular water falling box. With a cleaningmechanism, when water in the circular water falling box flows into a sewer pipe, a water wheel begins to rotate under the action of impact force of water and a second bevel gear at the rear end of adriving mechanism is driven to rotate; and then a transmission mechanism is driven to rotate, so that the cleaning mechanism rotates at the upper part of a filter screen; with the brush of the cleaning mechanism, hair distributed on the upper end surface of the filter screen is brought into a rectangular groove; meanwhile, a hair scraping column is matched and hair attached to the brush of the cleaning mechanism is removed and the removed hair falls into the rectangular groove, so that most space of the upper end face of the filter screen is not full of hair. Therefore, the drainage efficiencyof the floor drain type drainage device is improved, and a phenomenon that a large amount of water is accumulated on the ground of a bathroom when people wash hair is effectively avoided.

The invention provides an odor-resistant and water-return-resistant floor drain and a using method. The floor drain comprises a floating ball assembly, an annular sealing ring and a water seal assembly, the floating ball assembly is located between a base of the water seal assembly and a guide cylinder of a cover plate and can move up and down within a certain range. Under normal conditions, when accumulated water in a cabin needs to be drained, water flow enters the floor drain from a water drainage hole of the cover plate and is further drained through a water outlet short pipe. When water flows back upwards to the floor drain, buoyancy generated by the upwelling water flows enables the floating ball to float to the position of the annular sealing ring and to be tightly attached to the annular sealing ring, so that the sealing effect is achieved, the upwelling water flows are prevented from entering the cabin through the floor drain, and the water-return-resistant function is achieved; meanwhile, a surrounding plate of the water seal assembly can establish a good water seal, so that odor is prevented from flowing upwards into the cabin, and the deodorization function is achieved; and in addition, all parts of the floor drain can be conveniently detached, and daily maintenance such as replacement and cleaning is facilitated.

A apparatus and system for filtering wastewater from a basin is disclosed, wherein the apparatus prevents backflow of waste water, provides easy access for cleaning and replacing strainers, and a viewing window. The apparatus also provides additional ports for draining the apparatus.

The invention discloses a ship wastewater discharger. The ship wastewater discharger comprises a wastewater discharge housing, the wastewater discharge housing is provided with a cavity structure inside, one side of the wastewater discharge housing is provided with a water inlet pipe, the water inlet pipe is communicated with the wastewater discharge housing, and a plurality of caps are arranged at the top of the wastewater discharge housing. The side wall of the wastewater discharge housing is provided with wastewater discharge holes, plugs are arranged in the wastewater discharge holes, the side wall of the wastewater discharge housing is provided with a wastewater discharge pipe, and the wastewater discharge pipe is provided with a threaded connecting nut. The wastewater discharge housing can be mounted in the discharge position of a ship, water source can be delivered via the water inlet pipe and can be discharged via the wastewater discharge pipe, especially accumulative water in the ship can be discharged, the wastewater discharge pipe can be conveniently connected with a drainage pipeline by the threaded connecting nut, and drainage is facilitated.

The invention discloses an air suction prevention device suitable for a luxury cruise ship bilge water system. The device comprises a sewage well, a float switch, a bilge water branch pipe, an elasticrubber air bag, an air conveying pipeline, a control circuit and an inflating and deflating device. A liquid level sensor and a bilge water branch pipe are arranged in the sewage well; a lower port of the bilge water branch pipe is used as a water suction port; the elastic rubber air bag is arranged in the water suction port; the float switch is used for monitoring the liquid level of the sewagewell and controlling the inflation and deflation device to inflate and deflate through the control circuit, and therefore the elastic rubber air bag is controlled to expand to block the water suctionport or shrink to remove blocking. The device is simple in structure and convenient to disassemble and assemble, the rubber air bag is good in sealing performance, the self-cleaning function is achieved, automatic control can be achieved, the air suction phenomenon can be prevented in time, and safe and effective operation of a bilge water system is guaranteed.

The invention discloses a ship toilet negative-pressure screw pushing gas-liquid conveying device which comprises a motor, a gas-liquid conveying device body, a conveying rotation shaft, a non-returnbaffle plate, a dirt inlet and a dirt outlet. One end of the motor is connected with a motor connector, one end of the motor connector is connected with the gas-liquid conveying device body, one end of an output shaft of the motor is connected with the conveying rotation shaft, one end of the motor connector is connected with the side face of a first connecting plate, a circular ring column is arranged between the first connecting plate and a second connecting plate, one end of the conveying rotation shaft is connected with a conveying tip, a spiral sleeve is arranged on the outer side wall ofthe conveying rotation shaft, the conveying rotation shaft penetrates a middle drain hole in the first connecting plate, the conveying tip penetrates a suction opening in the second connecting plate,an inlet end cover is arranged on one side of the second connecting plate, the non-return baffle plate is hinged into the inlet end cover, and a drain outlet is formed in the side wall of the motor connector and communicated with a liquid outlet cavity. The ship toilet negative-pressure screw pushing gas-liquid conveying device is simple in structure, ingenious in design, complete in cleaning andgood in deodorization effect and can be widely popularized and applied.

The invention relates to the technical field of bathroom accessories, in particular to a drainage device of a marine sanitary unit and a manufacturing method thereof. The drainage device comprises a first drainage pipe, a rotating assembly, a drainage connector and a second drainage pipe, the first drainpipe comprises a first connecting part and a second connecting part, the drainage part, the first connecting part, the second connecting part, the drainage connector and the second drainage pipe of the sanitary unit are sequentially connected in the water flow direction, and the drainage connector is fixed to a deck and lower than the deck. The rotating assembly is rotationally connected with the drainage connector. Through the rotary connection between the rotary assembly and the drainage connector, the first drainage pipe and the rotary assembly can be conveniently disassembled and assembled, and the device can meet the fireproof requirement of the ship.