CN202951316U - Automatic check self-cleaning filter - Google Patents
Automatic check self-cleaning filter Download PDFInfo
- Publication number
- CN202951316U CN202951316U CN 201220597215 CN201220597215U CN202951316U CN 202951316 U CN202951316 U CN 202951316U CN 201220597215 CN201220597215 CN 201220597215 CN 201220597215 U CN201220597215 U CN 201220597215U CN 202951316 U CN202951316 U CN 202951316U
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- cleaning filter
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Abstract
The utility model provides an automatic check self-cleaning filter which comprises a filter barrel, wherein a water inlet chamber and a water outlet chamber are respectively arranged in the front of and behind the filter barrel, water filtering chambers are arranged inside the water inlet chamber and the water outlet chamber, a collating screen is arranged between the water inlet chamber and the water filtering chamber, and a fine filtering screen is arranged between the water filtering chamber and the water outlet chamber. A sewage disposal shaft is arranged inside the water filtering chamber, one end of the sewage disposal shaft is connected with a route motor through a negative-pressure absorption port cavity, the lower end of the negative-pressure absorption cavity is provided with a sewage disposal port, the lower end of the water inlet chamber is provided with a water inlet, the lower end of the water outlet chamber is provided with a water outlet, and a check valve is arranged inside the water outlet. The automatic check self-cleaning filter overcomes the defects in the prior art, has a good filtering effect, can prevent the water hammer effect, and can reduce occupied areas and space of a ship ballast water processing device.
Description
Technical field
The utility model relates to a kind of self-cleaning filter of ship ballast water treatment system, relates in particular to the contrary self-cleaning filter of a kind of ballast water for ship auto-stopping.
Background technology
At present, the international commodity trade of the world more than 80% completes by Shipping, and annual nearly 3,000,000,000 to the 5000000000 tons of ballast water for ship in the whole world flow between each seashore by boats and ships.Discharging without controlling of ballast water for ship, not only cause the territory over strait of unwanted aquatic organism and pathogen to be propagated, and also causes the problem of adventive invasion, thereby marine ecology, public health are caused to serious harm.
For the environment that alien species are invaded and pathogen propagation causes, human health, property and the infringement of resource aspect that prevent that the ballast water for ship discharge from causing, " Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " passed through in the Management of Ships ' Ballast Water management conference that International Maritime Organization held in 2004.The pact regulation, the necessary mounting shipping ballast water treatment plant of new shipbuilding oceangoing ship from 2009, and spot ship is implemented to review.Must the mounting shipping ballast water treatment plant to all foreign-going ships in 2017, after pact comes into force, do not have the boats and ships of mounting shipping ballast water treatment plant just can not sail IMO member state harbour into, violate pact and will face and sanction and punishment.
In numerous ballast for cruising water technologies, its simple design of self-cleaning filter and the safe and reliable to operation and advantage such as big yield filtration continuously, be the equipment more widely of applying in Ship's Ballast System at present.Self-cleaning filter is when operation; when pressure reduction reaches setting value; or while reaching systemic presupposition scavenging period interval; in non-stop-machine situation; filter is cleaned screen pack automatically; aquatic object and deposit by clean deposition on screen pack, and all aquatic organisms and the deposit of filter interception are expelled back into to former dry point, do not cause the strange land of non-indigenous aquatic species kind to shift.Automatic cleaning strainer still can carry out the operation of normal effectively sea water filter when the high Sediment loads of self-cleaning, thereby guaranteed the normal filtration effect of Ship's Ballast System, reached the requirement of " Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " defined.
" Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " regulation: must the mounting shipping ballast water treatment plant to all foreign-going ships in 2017, wherein, comprised large quantities of existing foreign-going ships of normal operation.For various reasons, the existing foreign-going ship of large quantities of normal operations is the space of reserved mounting shipping ballast water treatment plant not, particularly the volume size of device is had to very high requirement at the mounting shipping ballast water treatment plant, when pressing " Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " required standard Treatment of Ships'Ballast Water, floor space and the space of equipment needed thereby are the smaller the better.
The ballast water for ship self-cleaning filter, in the operation sea water filter, must carry the seawater of crossing after filtration to make further UV ultraviolet disinfection to the UV ultraviolet sterilizer, finally inputs ballast tank of ship.When ballast for cruising storehouse Ballast Water reaches certain demand, need close immediately ballast pump and stop continuing to supply water to ballast tank.Due to the ballast pipe inner wall smooth, freely, when valve is closed suddenly or again opened, current, under the effect of inertia, reach rapidly maximum, because fluid has momentum and compressibility to a certain degree to water flow.So sharply changing of flow will cause pressure overvoltage or too low impact in pipeline, and occur that " cavitation " phenomenon, the impact of pressure will make tube wall stressed and produce noise, just as hammer knocks pipe, be called " water hammer effect "." water hammer effect " has great destructiveness: pressure is too high, will cause breaking of pipe, otherwise, the too low collapsing that can cause again pipe of pressure.For preventing the generation of " water hammer effect ", need to heavy caliber check-valves and connecting pipe be set in water outlet place of ballast water for ship self-cleaning filter, simultaneously, also just increased floor space and the space of apparatus for treating ship ballast water.
The utility model content
The technical problems to be solved in the utility model is to provide and a kind ofly can prevents that " water hammer effect " occurs and can reduce the floor space of apparatus for treating ship ballast water and the ballast water for ship self-cleaning filter in space.
In order to solve the problems of the technologies described above, the utility model provides a kind of auto-stopping contrary self-cleaning filter, it is characterized in that: comprise cartridge filter, forward and backward interconnected intake chamber and the water-supplying chamber of being respectively in cartridge filter, intake chamber, water-supplying chamber inside are provided with straining chamber; Be provided with coarse strainer between intake chamber and straining chamber, between straining chamber and water-supplying chamber, be provided with fie screen; Be provided with the blowdown axle in straining chamber, an end of blowdown axle connects the stroke motor by negative pressure suction inlet chamber; Lower end, negative pressure suction inlet chamber is provided with sewage draining exit, and the intake chamber lower end is provided with water inlet, and the water-supplying chamber lower end is provided with delivery port; Be provided with check-valves in delivery port.
Preferably, the valve gap that described check-valves comprises valve seat and is located at the valve seat exit, be provided with baffle in valve seat; Spring one end connects the middle part of baffle, and the spring other end connects valve gap.
When the contrary self-cleaning filter of a kind of auto-stopping that the utility model provides is used, under different working conditions, seawater enters self-cleaning filter by water inlet, through coarse strainer filtering larger particles impurity, enter again aquatic object in the further trap water of fie screen and tiny deposit, along with various aquatic organisms and deposit in filter medium in the deposition of fie screen inboard, screen pack is blocked, Inlet and outlet water pressure reduction increases gradually, when pressure reduction reaches default definite value, control system starts the deposit of suction nozzle suction filtration net inboard automatically, do not interrupting normally producing under the prerequisite of water, screen pack is carried out to self-cleaning, aquatic organism on filter screen and deposit are sucked rapidly the blowdown axle by suction nozzle, finally by sewage draining exit, discharged.The clean sea water of crossing after filtration is by delivery port and by unidirectional heavy caliber check-valves output UV ultraviolet sterilizer.When the ballast for cruising storehouse reaches certain demand, when closing ballast pump, the heavy caliber check-valves is because the structural texture of itself is closed valve gap simultaneously immediately, prevent that filtered clean sea water to delivery port and filter, " water hammer effect " occurring, and avoided the damaging impact of clean sea water to filter.
The contrary self-cleaning filter of the ballast water for ship auto-stopping that the utility model provides, can be under different working conditions, seawater is by thick, the filtration of thin twice high strength seawater corrosionresisting stainless steel screen pack, filtering larger particles impurity and further hold back various aquatic object and the deposit in seawater, simultaneously, do not interrupting normally producing under the prerequisite of water, screen pack is carried out to self-cleaning, aquatic organism on filter screen and deposit are sucked rapidly the blowdown axle by suction nozzle, by sewage draining exit, discharged, guaranteed the filter effect of self-cleaning filter in whole ballast system, reach the standard of " Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " defined.
Because the heavy caliber check-valves is arranged in the self-cleaning filter delivery port, the all tube connectors of heavy caliber check-valves setting with self-cleaning filter have been removed from, reduced floor space and the space of apparatus for treating ship ballast water, make large quantities of normal operations, reserved mounting shipping ballast water treatment plant foreign-going ships can the mounting shipping ballast water treatment plant.
Compared with prior art, the utlity model has following beneficial effect:
(1) self-cleaning filter device is arranged, adopt the filtration of thick, thin twice high strength seawater corrosionresisting stainless steel screen pack, various aquatic objects and deposit in filtering larger particles impurity and seawater, by the self-stripping unit screen pack, automatically clean, and enter former dry point by sewage draining exit, thereby reach the standard of " Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " defined.
(2) the auto-stopping return device is arranged, when closing ballast pump, the heavy caliber check-valves while is the self-closing valve lid immediately, prevents that filtered clean sea water to delivery port and filter, " water hammer effect " occurring, and avoided the damaging impact of clean sea water to filter.
(3) because the heavy caliber check-valves is arranged in the self-cleaning filter delivery port, all tube connectors of heavy caliber check-valves and self-cleaning filter have been removed from, reduce floor space and the space of apparatus for treating ship ballast water, reduced the installation workload of ballast water for ship device simultaneously.
The device that the utility model provides has overcome the deficiencies in the prior art, when having good filter effect, can prevent that " water hammer effect " occurs, and floor space and the space that can reduce apparatus for treating ship ballast water.
The accompanying drawing explanation
The contrary self-cleaning filter structural representation of a kind of auto-stopping that Fig. 1 provides for the utility model;
Description of reference numerals
1-stroke motor; 2-negative pressure suction inlet chamber; The 3-coarse strainer; The 4-fie screen; 5-blowdown axle; The 6-cartridge filter; The 6-1-intake chamber; 6-2-straining chamber; 6-3-water-supplying chamber; The 7-sewage draining exit; The 8-water inlet; The 9-delivery port; The 10-valve seat; The 11-spring; The 12-baffle; The 13-valve gap.
The specific embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
Figure 1 shows that the contrary self-cleaning filter structural representation of a kind of auto-stopping that the utility model provides, the contrary self-cleaning filter of described auto-stopping comprises cartridge filter 6, interior forward and backward interconnected intake chamber 6-1 and the 6-3 of water-supplying chamber of being respectively of cartridge filter 6, there is the 6-2 of straining chamber intake chamber 6-1, the 6-3 of water-supplying chamber inside.
Between intake chamber 6-1 and the 6-2 of straining chamber, coarse strainer 3 is housed, between the 6-2 of straining chamber and the 6-3 of water-supplying chamber, fie screen 4 is housed, blowdown axle 5 is housed in the 6-2 of straining chamber, one end of blowdown axle 5 is positioned at negative pressure suction inlet chamber 2, blowdown axle 5 connects the stroke motor 1 of negative pressure suction inlet chamber 2 ports, and there is sewage draining exit 72 lower ends, negative pressure suction inlet chamber.There is water inlet 8 intake chamber 6-1 lower end, and there is delivery port 9 6-3 of water-supplying chamber lower end, in delivery port 9, check-valves is arranged.
The valve gap 13 that check-valves comprises valve seat 10 and is positioned at valve seat 10 exits, be fixed with baffle 12 in valve seat 10; One end of spring 11 is fixed in the middle part of baffle 12, and the other end connects valve gap 13.
Stroke motor 1 is arranged on a kind of transmission device of negative pressure suction inlet chamber 2 ports, and the blowdown axle 5 that the negative pressure suction nozzle is housed for drive is done rotation and horizontal back and forth movement in the filter screen inboard, sucks aquatic object and the deposit on fie screen 4 that adhere to be filtered.
Negative pressure suction inlet chamber 2 is arranged on a kind of negative pressure straw and the blowdown apparatus on filtration barrel body, be used in the sea water filter process, by high pressure backwash seawater, draw blocked aquatic object and deposit on screen pack, thereby guarantee filter normally, effectively work.
Coarse strainer 3 is the screen packs for elimination seawater larger particles impurity.
Fie screen 4 is a kind of high strength seawater corrosionresisting stainless steel sintered meshworks that adopt 50 microns of precision, for holding back the screen pack of seawater fine impurities.
Blowdown axle 5 is comprised of the 316L stainless steel, connects negative pressure suction inlet chamber 2, and the negative pressure suction nozzle is housed does rotation and horizontal back and forth movement in the filter screen inboard, for drawing aquatic object and sedimental hollow blowdown axle.
Cartridge filter 6 is comprised of the 316L stainless steel, for depositing, needs the tubular of filtering sea type object.
Sewage draining exit 7 is mounted in 2 lower ends, negative pressure suction inlet chamber, the larger particles impurity be filtered for discharge and various aquatic object and sedimental outlet.
Water inlet 8, be arranged on intake chamber 6-1 lower end, and seawater enters the main entrance of filter.
Valve gap 13 is arranged on valve seat 10, for quick closedown in advance before seawater stream flows backwards, avoids producing water hammer, water attack sound and damaging impact.
Demand according to ballast for cruising storehouse Ballast Water, in the seawater ballast pump consists of by contrary self-cleaning filter water inlet 8 inputs of auto-stopping undressed seawater tubular airtight cavity cartridge filter 6 the 316L stainless steel, undressed seawater advanced the impurity that coarse strainer 3 assemblies filter larger particles, the fie screen 4 sintered into through the high strength seawater corrosionresisting stainless steel by 50 microns of precision again filters again, and filtering adheres to aquatic object and the deposit on fie screen 4.Filtered clear water is finally by the delivery port 8 input UV ultra violet sterilizer sterilizations that are arranged on the contrary self-cleaning filter of auto-stopping bottom.
In filter process, the aquatic object and the deposit that adhere on fie screen 4 are piled up gradually, fie screen 4 is blocked, Inlet and outlet water pressure reduction increases gradually, when pressure reduction reaches default definite value, the pressure difference transmitter that is connected in intake-outlet just passes to control system by the pressure difference signal detected, and control system automatically starts self-stripping unit fie screen 4 is cleaned.
Now stroke motor 1 drive is comprised of the 316L stainless steel, connect negative pressure suction inlet chamber 2 and the blowdown axle 5 of negative pressure suction nozzle is housed, do rotation and horizontal back and forth movement in fie screen 4 inboards, do not interrupting normally producing under the prerequisite of water, backwash water sees through fie screen 4 and is sucked rapidly in blowdown axle 5 together with the aquatic object of peeling off from fie screen 4 and deposit, and the sewage draining exit 7 by device in 2 lower ends, negative pressure suction inlet chamber is expelled back into former dry point.
When ballast for cruising storehouse Ballast Water reaches certain demand, when closing ballast pump, be arranged on the interior heavy caliber check-valves of the contrary self-cleaning filter delivery port 8 of auto-stopping under the forceful action that is arranged on baffle 12 inner springs 11, the self-closing valve lid 13 immediately, because sealing device in valve seat 10 and valve gap 13 are combined closely, prevented that filtered clean sea water to delivery port and filter, " water hammer effect " occurring, and avoided the damaging impact of clean sea water to filter.
In whole filtration cleaning process, it is uninterrupted that the contrary self-cleaning filter of auto-stopping filters work normally, be cleaned the aquatic object and the deposit that get off and automatically be expelled back into former dry point, thereby guaranteed the filter effect of self-cleaning filter in whole ballast system, reached the standard of " Management of Ships ' Ballast Water and sediment monitoring thereof and management contract " defined.
Claims (2)
1. an auto-stopping is against self-cleaning filter, it is characterized in that: comprise cartridge filter (6), forward and backward interconnected intake chamber (6-1) and the water-supplying chamber (6-3) of being respectively in cartridge filter (6), intake chamber (6-1), water-supplying chamber (6-3) inside are provided with straining chamber (6-2); Be provided with coarse strainer (3) between intake chamber (6-1) and straining chamber (6-2), between straining chamber (6-2) and water-supplying chamber (6-3), be provided with fie screen (4); Be provided with blowdown axle (5) in straining chamber (6-2), an end of blowdown axle (5) connects stroke motor (1) by negative pressure suction inlet chamber (2); Lower end, negative pressure suction inlet chamber (2) is provided with sewage draining exit (7), and intake chamber (6-1) lower end is provided with water inlet (8), and water-supplying chamber (6-3) lower end is provided with delivery port (9); Delivery port is provided with check-valves in (9).
2. auto-stopping as claimed in claim 1 is against self-cleaning filter, it is characterized in that: the valve gap (13) that described check-valves comprises valve seat (10) and is located at valve seat (10) exit is provided with baffle (12) in valve seat (10); Spring (11) one ends connect the middle part of baffle (12), and spring (11) other end connects valve gap (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597215 CN202951316U (en) | 2012-11-13 | 2012-11-13 | Automatic check self-cleaning filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597215 CN202951316U (en) | 2012-11-13 | 2012-11-13 | Automatic check self-cleaning filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202951316U true CN202951316U (en) | 2013-05-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220597215 Expired - Fee Related CN202951316U (en) | 2012-11-13 | 2012-11-13 | Automatic check self-cleaning filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202951316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998721A (en) * | 2018-01-02 | 2018-05-08 | 吴宇祥 | A kind of environment-friendly sewage purification pipe |
| CN109368889A (en) * | 2018-10-18 | 2019-02-22 | 九江精密测试技术研究所 | A kind of integration ballast water treatment plant |
-
2012
- 2012-11-13 CN CN 201220597215 patent/CN202951316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998721A (en) * | 2018-01-02 | 2018-05-08 | 吴宇祥 | A kind of environment-friendly sewage purification pipe |
| CN107998721B (en) * | 2018-01-02 | 2024-05-17 | 东莞市豪东模具科技有限公司 | Environment-friendly sewage purification pipe |
| CN109368889A (en) * | 2018-10-18 | 2019-02-22 | 九江精密测试技术研究所 | A kind of integration ballast water treatment plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20181113 |