CN111498006A - Air suction prevention device suitable for luxurious cruise ship bilge water system - Google Patents
Air suction prevention device suitable for luxurious cruise ship bilge water system Download PDFInfo
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- CN111498006A CN111498006A CN202010283481.7A CN202010283481A CN111498006A CN 111498006 A CN111498006 A CN 111498006A CN 202010283481 A CN202010283481 A CN 202010283481A CN 111498006 A CN111498006 A CN 111498006A
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- air
- transmission pipeline
- piston
- bilge
- gas transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B29/00—Accommodation for crew or passengers not otherwise provided for
- B63B29/16—Soil water discharges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/10—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with inflatable member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses an air-suction preventing device suitable for a luxury mail steamer bilge water system, which comprises a sewage well, a float switch, a bilge water branch pipe, an elastic rubber air bag, an air conveying pipeline, a control circuit and an air charging and discharging device, wherein the liquid level sensor and the bilge water branch pipe are arranged in the sewage well, the 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 and is supported by the air conveying pipeline, one end of the air conveying pipeline is connected with the elastic rubber air bag, the other end of the air conveying pipeline is connected with the air charging and discharging device, the float switch is used for monitoring the liquid level of the sewage well, and the air charging and discharging device is controlled by the control circuit to charge and discharge air, so that the elastic rubber air bag is controlled to expand. The invention has simple structure, convenient disassembly and assembly, good sealing performance of the rubber air bag, self-cleaning function, and can realize automatic control to prevent the air suction phenomenon in time and ensure the safe and effective operation of the bilge water system.
Description
Technical Field
The invention belongs to the field of design and application of ship auxiliary systems, relates to a ship bilge water drainage device, and particularly relates to an air suction prevention device suitable for a luxury cruise ship bilge water system.
Background
A huge luxurious cruise ship can carry nearly five thousand passengers, and the primary task of the huge luxurious cruise ship is to ensure the safe and stable navigation of the cruise ship. Therefore, a safe and reliable bilge water system appears to be of particular importance. The bilge water system can be used for pumping out bilge water (domestic water, deck flushing water, rainwater and the like are mainly arranged on a mail ship, and the oil leakage amount of a main engine auxiliary machine and pipeline equipment is relatively small), so that the normal work of electromechanical equipment and the intact cargo are ensured, and the stable navigation of the ship is realized. In addition, when an accident happens, the system can discharge bilge water out of the ship board in time. Namely, the safety and stability are kept during normal driving, and the loss is reduced as much as possible in emergency.
The luxury cruise ship bilge water system adopts a main pipe type pipeline arrangement mode, and suction of bilge water is controlled through a stop check valve. Because the luxurious cruise ship is huge, the lift and the flow of the bilge pump are multiple times of those of a common ship, the cabins are numerous, sewage wells are widely distributed, and each bilge pump needs to manage a plurality of sewage wells on average. The bilge water system has the following defects: if the water in the bottom of a plurality of cabins is sucked at the same time, once the water in the bottom of a certain cabin is sucked dry or a valve on a pipeline leaks, the water pump in the bottom of the cabin is evacuated, so that the water in the bottom of other cabins cannot be sucked. Moreover, the diameters of the water branch pipes at the bottom of the luxury cruise ship are different between 50 and 250mm, and the volume of the sewage well is only 2m3Left and right sides, and in the sewage well that locates such as cabin, axle tunnel, silt, impurity are more, and traditional sealing method does not possess self-cleaning ability yet for it has certain difficulty to prevent the air-suction device in suction inlet department installation.
In the prior art, the application number is 201410241428.5, which is named as an invention type patent of an air suction prevention protection valve of a pneumatic submersible pump for mines, the submersible pump is stopped by controlling a pipeline magnetic control switch, and the aim of air suction prevention is achieved. However, the luxury cruise ship manages a plurality of bilge wells per bilge pump on average, and absolutely does not allow the phenomenon that only individual suction ports are vacuumed and the entire pump group is shut down. The application number is 201810453029.3, the name is an intelligent air bag sealing device for a pipeline interface and a monitoring method, the structure is relatively complex by additionally arranging an air compressor to control inflation and deflation, and a common ship is provided with a compressed air system, so that local materials can be obtained, and the cost is reduced. The invention discloses a ship water absorption device and a ship, which is 201910093114.8, and utilizes the principle that the buoyancy of a hollow floating part in sewage is larger than gravity to sleeve the floating part on the periphery of a water absorption pipe, and the floating part can float up and down relative to the water absorption pipe to selectively block a water absorption port. However, on the premise that a large-lift bilge pump manages a plurality of sewage wells and continuously works, when a suction port is closed, the pressure difference between a closed region formed by the floating member and the suction pipe and an external region thereof is large, and the floating member may not float in time only by buoyancy. And the bottom of the engine room or the shaft tunnel sewage well contains more silt and impurities, so that a closed space can not be formed, and the air-suction preventing device fails. Therefore, the device is not suitable for treating the bilge water of the large-scale luxury cruise ship.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the air suction prevention device which is suitable for the water system at the bottom of the cabin of the luxury cruise ship, so that the air suction phenomenon is prevented, and the safe and stable navigation of the cruise ship is ensured.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a prevent air suction device suitable for luxurious cruise ship bilge water system which characterized in that: including bilge well, level sensor, bilge water branch pipe, elastic rubber gasbag, gas transmission pipeline, controller and fill gassing device, level sensor installs in the bilge well, bilge water branch pipe locates in the bilge well, and the lower part port of bilge water branch pipe is as the water sucking mouth, elastic rubber gasbag is located in the water sucking mouth to support through gas transmission pipeline, the one end of gas transmission pipeline links to each other with elastic rubber gasbag, and the other end links to each other with filling the gassing device, level sensor is used for monitoring the bilge well liquid level to fill gassing device through the controller and fill out the gassing, thereby control elastic rubber gasbag expands in order to plug up the water sucking mouth or reduce in order to relieve the water sucking mouth.
Further, the liquid level sensor is a float switch, the controller is a control circuit, and the float switch controls the action of the air charging and discharging device through the control circuit.
Further, the inflation and deflation device comprises an inflation device and a deflation device, the inflation device comprises an inflation tube, an inflation electromagnetic valve and a ship compressed air source, one end of the inflation tube is communicated with the gas transmission pipeline, the other end of the inflation tube is connected with the ship compressed air source through the inflation electromagnetic valve, and the inflation electromagnetic valve is controlled through a control circuit.
Further, the air bleeder is including locating gas transmission pipeline tip and with the cylinder that gas transmission pipeline links to each other, locating the piston in the cylinder, the piston rod that links to each other with the piston and the telescoping device that drives the piston rod and remove, be equipped with the one-level gas vent between cylinder and the gas transmission pipeline, cylinder lateral wall middle part is equipped with the second grade gas vent to the outside, and when the piston motion and hug closely the cylinder tip of gas transmission pipeline one end, the piston seals the one-level gas vent, and when the piston moved to the cylinder other end and hugs closely the tip, the one-level gas vent communicates with the second grade gas vent, and the outside is discharged, the telescoping device controls through control circuit.
Furthermore, the cylinder is composed of two circular baffles arranged in the gas transmission pipeline, and the primary exhaust port is a circular hole arranged in the middle of one of the baffles.
Furthermore, a rubber gasket is arranged on one side of the piston close to the primary exhaust port, and a rubber sealing ring is arranged between the piston and the cylinder wall.
Furthermore, the telescopic device is an electromagnetic telescopic device, and the specific structure comprises a shell, a movable iron core arranged in the shell and an electromagnetic coil arranged outside the shell, wherein one end of the movable iron core is fixedly connected with the piston rod, the other end of the movable iron core is connected with the end part of the shell through a return spring, and the electromagnetic coil is controlled through a control circuit.
Furthermore, the gas transmission pipeline is a hard pipeline and is installed on the sewage well through a sliding support in the horizontal direction, and in the air release process of the telescopic device through pulling of the piston, the gas transmission pipeline moves horizontally along with the telescopic device, so that the air-released elastic rubber air bag deviates from the middle of the water suction port.
Furthermore, the gas charging pipe is an elastic round pipe, and generates elastic deformation along with the movement of the gas transmission pipeline, and the piston in the cylinder is tightly attached to the primary exhaust port to keep sealing through the deformation of the elastic round pipe.
Further, sliding support divide into first pipe clamp sliding support and second pipe clamp sliding support, gas transmission pipeline is the notch cuttype, links to each other through a vertical section by two horizontal segments and constitutes, and first pipe clamp sliding support installs the horizontal segment in gas transmission pipeline in the sewage shaft, second pipe clamp sliding support installs the horizontal segment in near sewage shaft well head gas transmission pipeline.
The invention has the beneficial effects that: when the water level in the sewage well is reduced to a lower limit, the internal contact of the float switch is closed, the electromagnetic valve is opened, and the compressed air of the ship enters the gas transmission pipeline. When the electromagnetic coil is electrified, the movable iron core seals the primary exhaust port through the piston rod and simultaneously pushes the air cylinder left baffle at one end of the air transmission pipeline, so that the air transmission pipeline is displaced leftwards. The rubber gasket blocks the first-stage exhaust port in the middle of the baffle, and the rubber sealing ring ensures air tightness and reciprocating sealing. At the moment, the elastic inflation tube is pressed to generate elastic deformation, so that resistance to the movable iron core is formed, and the rubber gasket is compacted through the baffle plate, so that air leakage is prevented. When the water level in the sewage well rises to the upper limit again, the electromagnetic valve is closed, the electromagnetic coil is powered off, the movable iron core returns under the action of the tensile force of the spring and pulls the baffle on the right side of the air cylinder at one end of the air transmission pipeline through the piston rod, so that the air transmission pipeline moves rightwards, and the elastic rubber air bag returns to the position close to the first pipe clamp sliding support. At the moment, gas in the elastic rubber air bag is discharged through the primary air outlet of the baffle and the secondary air outlet with the filter screen in sequence. The water suction port of the bilge water branch pipe is selectively sealed by the elastic rubber air bag, so that the aim of preventing air suction is fulfilled. The invention has simple structure, convenient disassembly and assembly, good sealing performance of the rubber air bag, self-cleaning function, and can realize automatic control to prevent the air suction phenomenon in time and ensure the safe and effective operation of the bilge water system.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
FIG. 1 is a schematic view of an embodiment of the invention in which a water absorption port of an air-suction preventing device is in a closed state.
FIG. 2 is an enlarged view of a portion of the inflator of FIG. 1.
FIG. 3 is a schematic view of an embodiment of the invention showing the water absorption opening of the air absorption preventing device in an open state.
Fig. 4 is a partially enlarged view of the air release device of fig. 3.
In the reference symbols: 1-a ship compressed air source, 2-an electromagnetic valve, 3-an inflation tube, 4-an electromagnetic coil, 5-a return spring, 6-a movable iron core, 7-a piston rod, 8-a rubber sealing ring, 9-a secondary exhaust port, 10-a baffle, 11-a rubber gasket, 12-a shell, 13-a bilge water branch pipe, 14-a first pipe clamp sliding support, 15-an elastic rubber air bag, 16-a buoy, 17-a control circuit, 18-an air delivery pipeline, 19-a second pipe clamp sliding support, 20-a water suction port, 21-a sewage well, 22-a floater switch, 23-a piston, 24-a primary exhaust port, 25-a telescopic device and 26-an air release device.
Detailed Description
Embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "axial", "radial", "circumferential", "end", "bottom", "lateral", "longitudinal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the corresponding drawings, and are used for convenience of description only and do not represent that the illustrated devices must be installed in a particular position or orientation.
In the description of the present invention, it is to be noted that the terms "mounted", "embedded", and "connected" are to be construed broadly unless otherwise explicitly specified. For example, the connection can be fixed, and can also be a threaded connection; the connection may be direct or through intermediate components.
The following detailed description is made with reference to the accompanying drawings in combination with embodiments:
in a bilge water system, a bilge water suction device is provided for each of the bilge wells 21 of the cabins, and the bilge water branch pipes 13 of each of the cabins are connected to a bilge water main pipe. The bilge pump pumps bilge water in the bilge well 21, and the bilge water is discharged out of the ship or flows back to the bilge tank through a branch pipe, a main pipe, an oil-water separator and the like to wait for the next treatment. The bilge water system can ensure the stable running of the ship during normal navigation and can suck the inlet water of any cabin in emergency, which is very important for the luxury cruise ship carrying thousands of passengers.
As shown in fig. 1 to 4, the air suction prevention device suitable for the luxury post ship bilge system comprises a bilge well 21, and a liquid level sensor, a bilge water branch pipe 13, an elastic rubber air bag 15, an air transmission pipeline 18 and an air charging and discharging device 26 which are arranged in the bilge well 21 from left to right, wherein the liquid level sensor is arranged in the bilge well 21, the bilge water branch pipe 13 is arranged in the bilge well 21, a lower port of the bilge water branch pipe 13 is used as a water suction port 20, the elastic rubber air bag 15 is arranged in the water suction port 20 and is supported by the air transmission pipeline 18, one end of the air transmission pipeline 18 is connected with the elastic rubber air bag 15, the other end of the air transmission pipeline is connected with the air charging and discharging device 26, the liquid level sensor is a float switch 22, and the float switch 22 controls the action of the air charging and. The float switch 22 is used for monitoring the liquid level of the sewer well 21 and controlling the inflation and deflation device 26 to inflate and deflate through the controller, so as to control the elastic rubber air bag 15 to expand to block the water suction port 20 or contract to release the water suction port 20.
The inflation and deflation device 26 comprises an inflation device and a deflation device, the inflation device comprises an inflation tube 3, an inflation electromagnetic valve 2 and a ship compressed air source 1, one end of the inflation tube 3 is communicated with the air transmission pipeline 18, and the other end of the inflation tube is connected with the ship compressed air source 1 through the inflation electromagnetic valve 2.
The air bleeder 26 comprises an air cylinder arranged at the end part of the air transmission pipeline 18, a piston 23 arranged in the air cylinder, a piston rod 7 connected with the piston 23 and a telescopic device 25 for driving the piston rod 7 to move, a primary exhaust port 24 is arranged between the air cylinder and the air transmission pipeline 18, a secondary exhaust port 9 communicated with the outside is arranged in the middle of the side wall of the air cylinder, when the piston 23 moves and clings to the air cylinder part at one end of the air transmission pipeline 18, the piston 23 seals the primary exhaust port 24, when the piston 23 moves to the other end of the air cylinder and clings to the end part, the primary exhaust port 24 is communicated with the secondary exhaust port 9 to exhaust the outside, the telescopic device 25 and the inflation solenoid valve 2 are controlled by a control circuit 17, and the air bleeder is more preferable, and an exhaust filter screen is arranged on the secondary exhaust port.
In this embodiment, as shown in fig. 2 and 4, the cylinder is composed of two circular baffles 10 arranged in the gas transmission pipeline 18, and the primary exhaust port 24 is a circular hole arranged in the middle of the left baffle 10. And a rubber gasket 11 is arranged on one side of the piston 23 close to the primary exhaust port 24, and a rubber sealing ring 8 is arranged between the piston 23 and the cylinder wall. For increasing the seal against the primary exhaust port 24.
The telescopic device 25 is an electromagnetic telescopic device 25, and the specific structure comprises a shell 12, a movable iron core 6 arranged in the shell 12 and an electromagnetic coil 4 arranged outside the shell 12, wherein one end of the movable iron core 6 is fixedly connected with a piston rod 7, the other end of the movable iron core is connected with the end part of the shell 12 through a return spring 5, the electromagnetic coil 4 is controlled to be powered off through a control circuit 17, and the shell 12 is fixed beside a sewage well 21 through a fixing device.
As a preferred embodiment, as shown in fig. 1 and 3, the gas transmission pipe 18 is a rigid pipe, the gas transmission pipe 18 is mounted on the sewage well 21 through a sliding support in a horizontal direction, during the air release process by pulling the piston 23 by the expansion device 25, the gas transmission pipe 18 moves horizontally along with the expansion device 25, so that the deflated elastic rubber air bag 15 deviates from the middle of the water suction port 20, and the inflation pipe 3 is an elastic round pipe and deforms elastically along with the horizontal movement of the gas transmission pipe 18. Sliding support divide into first pipe clamp sliding support 14 and second pipe clamp sliding support 19, gas transmission pipeline 18 is the notch cuttype, links to each other through a vertical section by two horizontal segments and constitutes, and first pipe clamp sliding support 14 installs the horizontal segment of gas transmission pipeline 18 in bilge well 21, second pipe clamp sliding support 19 installs the horizontal segment in nearly gas transmission pipeline 18 of bilge well 21.
As shown in fig. 1 and 3, in this embodiment, the gas transmission pipe 18 is of a stepped shape, and is formed by connecting two horizontal sections through a vertical section, the first pipe clamp sliding support 14 is installed on the horizontal section of the gas transmission pipe 18 in the sewage well 21, and the second pipe clamp sliding support 19 is installed on the horizontal section of the gas transmission pipe 18 at the wellhead of the sewage well 21.
The float switch 22 controls the on-off of the ship compressed air outlet electromagnetic valve 2 and the movable iron core 6 through the control circuit 17 to realize the inflation and deflation of the elastic rubber air bag 15. A first pipe clamp shoe 14 is mounted at the bottom of the bilge well 21 next to the bilge water branch pipe 13, in order not to obstruct the flow of bilge water into the branch pipe. The air delivery pipe 18 horizontally moves left and right under the common constraint of the first pipe clamp sliding support 14 and the second pipe clamp sliding support 19, the elastic rubber air bag 15 is installed at the left end of the air delivery pipe 18, the elastic rubber air bag 15 is inflated to block the water suction opening 20, or deflated to relieve the blockage, of course, in order to further reduce the resistance when the water suction opening 20 is released, the elastic rubber air bag 15 moves rightwards along with the air delivery pipe 18 through the sliding support to deviate from the water suction opening 20, at this time, in order to prevent the relative position of the air inflation pipe 3 and the electromagnetic valve 2 from changing in the movement process, an elastic hose or a corrugated expansion pipe is needed to be adopted for the air inflation pipe 3. Compressed air of the ship enters the gas transmission pipeline 18 through the electromagnetic valve 2 and the gas filling pipe 3. The left end of the piston rod 7 is connected with a piston 23, the right end of the piston rod is connected with the movable iron core 6, the piston 23 reciprocates in the area between the two baffles 10, and the two baffles 10 and the area between the two baffles form a cylinder. The rubber gasket is used for selectively plugging the central through hole of the left baffle plate 10 and controlling compressed gas to enter the area of the gas transmission pipeline 18 between the two baffle plates 10. And a rubber sealing ring 8 is additionally arranged to realize reciprocating sealing. The gas transmission pipeline 18 between the two baffles 10 is provided with a secondary gas outlet 9 with a filter screen, the filter screen can prevent impurities from entering the area between the two single plates and discharge water entering the area, and the smoothness of the reciprocating motion of the piston rod 7 is ensured. The left end of the movable iron core 6 is connected with the piston rod 7, and the right end is connected with the return spring 5 at the end part of the shell 12. The electromagnetic coil 4 is arranged outside the shell 12, the movable iron core 6 is arranged in the shell 12, the shell 12 is arranged beside the sewage well 21 through a fixing device, and the electromagnetic coil 4 generates a magnetic field to control the movement of the movable iron core 6 after being electrified.
As shown in fig. 1 and 2, the water level in the sump 21 drops to the lower limit, the contact point in the float 16 of the float switch 22 is closed, the solenoid valve 2 is activated by the control circuit 17 and the solenoid 4 is energized. The movable iron core 6 drives the piston 23 to move leftwards through the piston rod 7, the piston 23 tightly pushes the left baffle 10 to seal the primary exhaust port 24, the movable iron core 6 drives the piston rod 7 to continuously move leftwards, the piston 23 pushes the left baffle 10 of the cylinder in the gas transmission pipeline 18 to enable the gas transmission pipeline 18 to integrally move leftwards, so that the elastic rubber air bag 15 at the left end of the gas transmission pipeline 18 is sent into the middle of the water suction port 20 of the bilge water branch pipe 13, meanwhile, compressed air of a ship enters the gas transmission pipeline 18 through the electromagnetic valve 2 and the inflation pipe 3, the elastic rubber air bag 15 expands in the middle of the water suction port 20 to seal the water suction port 20. Because the position of the electromagnetic valve 2 is fixed, when the gas pipeline 18 moves to the left, the gas filling pipe 3 can generate elastic deformation (or does not generate elastic deformation, but the gas filling pipe 3 has the maximum length), the gas pipeline 18 is prevented from continuously moving to the left, contact force is generated between the baffle plate 10 and the piston 23, and the combined action of the rubber gasket 11 and the gas filling pipe 3 enables the primary exhaust port 24 to be compacted, so that gas leakage is prevented. The water level continues to rise until the float 16 is flat, keeping the contacts in contact.
As shown in fig. 3 and 4, when the water level rises to the upper limit, the contact point in the float 16 of the float switch 22 is turned off, the solenoid valve 2 is closed, and the solenoid 4 is de-energized. The movable iron core 6 is returned under the action of the tension of the return spring 5, the piston 23 is pulled to move rightwards through the piston rod 7, the piston 23 is far away from the primary exhaust port 24, when the piston 23 moves rightwards and crosses the secondary exhaust port 9, the primary exhaust port 24 is communicated with the secondary exhaust port 9, the gas in the gas transmission pipeline 18 and the elastic rubber air bag 15 is exhausted through the primary exhaust port 24 and the secondary exhaust port 9, the movable iron core 6 continues to move under the action of the return spring 5, the piston 23 pulls the baffle 10 on the right side of the cylinder in the gas transmission pipeline 18 through the piston rod 7, the gas transmission pipeline 18 moves rightwards, the elastic rubber air bag 15 at the left end of the gas transmission pipeline 18 deviates from the middle of the water suction port 20, the water suction port 20 is completely released, the resistance is reduced, and the elastic. At this point, as the air in the elastomeric bladder 15 is vented, the water intake 20 is fully released, from which the water level drops to a level where the float 16 remains in its flat position, keeping the contacts open. The invention selectively plugs the water suction ports 20 of the bilge water branch pipes 13 through the elastic rubber air bags 15, thereby achieving the purpose of preventing air suction.
In the description herein, language referring to the terms "embodiment" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. It should be understood that the present specification describes embodiments, but not every embodiment includes only a single technical solution, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be combined as appropriate.
Claims (10)
1. The utility model provides a prevent air suction device suitable for luxurious cruise ship bilge water system which characterized in that: including bilge well, level sensor, bilge water branch pipe, elastic rubber gasbag, gas transmission pipeline, controller and fill gassing device, level sensor installs in the bilge well, bilge water branch pipe locates in the bilge well, and the lower part port of bilge water branch pipe is as the water sucking mouth, elastic rubber gasbag is located in the water sucking mouth to support through gas transmission pipeline, the one end of gas transmission pipeline links to each other with elastic rubber gasbag, and the other end links to each other with filling the gassing device, level sensor is used for monitoring the bilge well liquid level to fill gassing device through the controller and fill out the gassing, thereby control elastic rubber gasbag expands in order to plug up the water sucking mouth or make it reduce in order to release the water sucking mouth.
2. The anti-aspiration device of claim 1, wherein: the liquid level sensor is a float switch, the controller is a control circuit, and the float switch controls the action of the air charging and discharging device through the control circuit.
3. The anti-aspiration device of claim 2, wherein: the inflation and deflation device comprises an inflation device and a deflation device, the inflation device comprises an inflation tube, an inflation electromagnetic valve and a ship compressed air source, one end of the inflation tube is communicated with the gas transmission pipeline, the other end of the inflation tube is connected with the ship compressed air source through the inflation electromagnetic valve, and the inflation electromagnetic valve is controlled through a control circuit.
4. An anti-aspiration device according to claim 3, wherein: the air bleeder comprises an air cylinder, a piston rod and a telescopic device, wherein the air cylinder is arranged at the end part of the air transmission pipeline and is connected with the air transmission pipeline, the piston is arranged in the air cylinder, the piston rod is connected with the piston, the telescopic device is used for driving the piston rod to move, a primary air outlet is arranged between the air cylinder and the air transmission pipeline, a secondary air outlet leading to the outside is arranged in the middle of the side wall of the air cylinder, when the piston moves and clings to the end part of the air transmission pipeline, the primary air outlet is sealed by the piston, when the piston moves to the other end of the air cylinder and clings to the end part, the.
5. The anti-aspiration device of claim 4, wherein: the cylinder is composed of two circular baffles arranged in the gas transmission pipeline, and the primary exhaust port is a circular hole arranged in the middle of one of the baffles.
6. The anti-aspiration device of claim 4, wherein: and a rubber gasket is arranged on one side of the piston close to the primary exhaust port, and a rubber sealing ring is arranged between the piston and the cylinder wall.
7. The anti-aspiration device of claim 4, wherein: the telescopic device is an electromagnetic telescopic device, and the specific structure comprises a shell, a movable iron core arranged in the shell and an electromagnetic coil arranged outside the shell, wherein one end of the movable iron core is fixedly connected with a piston rod, the other end of the movable iron core is connected with the end part of the shell through a return spring, and the electromagnetic coil is controlled to be powered off through a control circuit.
8. An anti-aspiration device according to any one of claims 4 to 7, wherein: the gas transmission pipeline is a hard pipeline and is installed above the sewage well through a sliding support in the horizontal direction, and in the air release process of the telescopic device pulling piston movement, the gas transmission pipeline moves horizontally along with the telescopic device, so that the air-released elastic rubber air bag deviates from the middle part of the water suction port.
9. An anti-aspiration device according to claim 8, wherein: the air charging pipe is an elastic round pipe and elastically deforms along with the movement of the air delivery pipeline, and the piston in the air cylinder is tightly attached to the primary air outlet to keep sealing through the deformation of the elastic round pipe.
10. An anti-aspiration device according to claim 8, wherein: sliding support divide into first pipe clamp sliding support and second pipe clamp sliding support, gas transmission pipeline is the notch cuttype, and two horizontal segments link to each other through a vertical section, and first pipe clamp sliding support installs the horizontal segment in gas transmission pipeline in sewage well, second pipe clamp sliding support installs the horizontal segment in near sewage well wellhead gas transmission pipeline.
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| CN202010283481.7A CN111498006B (en) | 2020-04-13 | 2020-04-13 | Air suction prevention device suitable for luxurious cruise ship bilge water system |
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| CN202010283481.7A CN111498006B (en) | 2020-04-13 | 2020-04-13 | Air suction prevention device suitable for luxurious cruise ship bilge water system |
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| CN111498006A true CN111498006A (en) | 2020-08-07 |
| CN111498006B CN111498006B (en) | 2021-02-19 |
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| CN112278150A (en) * | 2020-11-02 | 2021-01-29 | 中船黄埔文冲船舶有限公司 | Bilge water system and ship |
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| CN111498006B (en) | 2021-02-19 |
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