CN115591301A - Filter for ship ballast water management system and antifouling method - Google Patents

Filter for ship ballast water management system and antifouling method Download PDF

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Publication number
CN115591301A
CN115591301A CN202211592997.5A CN202211592997A CN115591301A CN 115591301 A CN115591301 A CN 115591301A CN 202211592997 A CN202211592997 A CN 202211592997A CN 115591301 A CN115591301 A CN 115591301A
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China
Prior art keywords
filter
ballast water
impurities
cylinder
cartridge
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CN202211592997.5A
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Chinese (zh)
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CN115591301B (en
Inventor
孙振宇
孙静
常金维
赵军伟
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Weihai Cosco Marine Heavy Industry Technology Co ltd
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Weihai Cosco Marine Heavy Industry Technology Co ltd
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Priority to CN202211592997.5A priority Critical patent/CN115591301B/en
Publication of CN115591301A publication Critical patent/CN115591301A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention relates to the technical field of ship ballast water management, in particular to a filter for a ship ballast water management system and an antifouling method. The utility model provides a boats and ships ballast water is filter for management system, includes the mounting bracket, and the mounting bracket can be dismantled and be connected with flourishing water drum, and the rigid coupling has the baffle in the mounting bracket, and the equidistance distributes in the flourishing water drum and is equipped with first cartridge filter, and adjacent first cartridge filter passes through second cartridge filter intercommunication, two first cartridge filters in the outside respectively with baffle and flourishing water drum inner wall rigid coupling, flourishing water drum, baffle, first cartridge filter and the cooperation of second cartridge filter form with the pure water chamber of fluid-discharge tube intercommunication. According to the invention, through the first filter cylinder with the inner diameter changing in a gradient manner, the space for the ballast water to flow rightwards is reduced, the flow rate of the ballast water is reduced, incomplete removal influence on the filtering efficiency caused by thick residual impurities at the right part of the first filter cylinder is avoided, and impurities adhered to the outer wall of the fixing frame for cleaning the first filter cylinder are removed through the sliding frame.

Description

Filter for ship ballast water management system and antifouling method
Technical Field
The invention relates to the technical field of ship ballast water management, in particular to a filter for a ship ballast water management system and an antifouling method.
Background
The ship ballast water is mainly used for keeping a ship in a certain depth of draft when the ship is in an idle load or cargo carrying state, and ensuring that the ship can smoothly and safely sail in a specific water area.
The ballast water of boats and ships contains a large amount of living beings, wherein some living beings can cause the corruption to boats and ships, and the ballast water is transported along with the ship, cause the biological invasion between the different regions easily, need filter the organic matter in the ballast water, it filters the ballast water to pass through the filter screen through equipment now, after the filter screen blocks up, existing equipment can wash the filter screen, in order to guarantee the filtration efficiency to the ballast water, in-process to the filter screen clearance, existing equipment passes through the mode of suction and clears up the impurity of adhesion, because rivers influence leads to the adnexed impurity thickness on the filter screen uneven, consequently when sucking and clear away to adnexed thick impurity, cause easily to clear away incompletely, lead to partially filtering downthehole remaining impurity of filtration to influence the filtration efficiency of ballast water, and also in the same place water environment to filter screen abluent device, it self also adheres to the living beings easily and then generates impurity.
Disclosure of Invention
The invention provides a filter for a ship ballast water management system and an antifouling method, and aims to overcome the technical problems that ballast water drives more impurities to be accumulated at one position, so that the accumulated impurities at part of a cylinder are thicker, incomplete cleaning is caused during cleaning, and the filtering efficiency of the ballast water is influenced.
The utility model provides a filter for ship ballast water management system, including the mounting bracket, the mounting bracket can be dismantled and be connected with flourishing water drum, one side middle part intercommunication of flourishing water drum has the feed liquor pipe, flourishing water drum lower part intercommunication has the fluid-discharge tube, the rigid coupling has the baffle in the mounting bracket, the equidistance distributes and is equipped with first cartridge filter in the flourishing water drum, adjacent first cartridge filter passes through second cartridge filter intercommunication, two first cartridge filters in the outside respectively with baffle and flourishing water drum inner wall rigid coupling, flourishing water drum, the baffle, first cartridge filter and second cartridge filter cooperation form with the pure water chamber of fluid-discharge tube intercommunication, the baffle rotates and is connected with the blow-off pipe that runs through flourishing water drum opposite side, blow off pipe and outside drawing liquid pump intercommunication, mounting bracket demountable installation has drive blow-off pipe pivoted driving piece, the blow-off pipe equidistance rigid coupling has the mount the same with first cartridge filter quantity, and the mount is located adjacent first cartridge filter, the mount symmetry formula is provided with the inlet opening that communicates, the inlet opening is used for extracting the impurity of adhesion in the first cartridge filter, the inlet opening rigid coupling has the flitch of scraping that is used for striking off first circular cartridge filter wall impurity, be provided with the solenoid valve in the inlet opening.
More preferably, the internal diameter of the first filter cylinder is in gradient change, the internal diameter of the first filter cylinder at one side adjacent to the liquid inlet pipe is the largest, and the opposite side of the radial liquid inlet pipe in the first filter cylinder is gradually reduced.
More preferably, the first cartridge filter inside wall is provided with a spiral slideway, the fixing frame is provided with sliding chutes which are distributed oppositely, the fixing frame is symmetrically provided with sliding chutes communicated with adjacent sliding chutes, the upper part and the lower part of the fixing frame are symmetrically provided with feeding slideways communicated with adjacent sliding chutes, the sliding chutes are internally and slidably connected with connecting frames, the upper end and the lower end of each connecting frame are respectively and fixedly connected with a moving frame which is slidably positioned in the adjacent sliding chutes, the moving frame is provided with a feeding hole for conveying impurities, the feeding hole is communicated with a discharging pipe, a cleaning plate which is slidably positioned in the adjacent feeding slideways is fixedly connected in the feeding hole, the cleaning plate is used for scraping impurities on the side wall of the first cartridge filter, only the cleaning plate at one end of the fixing frame slides in a limiting manner through a sliding block and the adjacent spiral slideway, the moving frame is slidably connected with a sliding frame, the sliding frame is fixedly connected with the adjacent cleaning plate, the distance between the midpoint of the cleaning plates at the two ends of the same sliding frame is equal to the distance between the midpoint of the feeding slideways at which the midpoint, and the cleaning plate in the first cartridge filter can move synchronously.
More preferably, the spiral ramps have the same number of turns and the pitch of the spiral ramps varies in direct proportion to the width of the annular side wall of the first cartridge in which they are located for the purpose of accommodating the width movement of the annular side wall of the adjacent first cartridge.
More preferably, the length of the feed chute varies in direct proportion to the width of the annular side wall of the first filter cartridge in which it is located.
More preferably, a gap is reserved between the scraper plate and the circular inner wall of the first filter cylinder, and a gap is reserved between the cleaning plate and the circular side wall of the first filter cylinder.
More preferably, the cleaning device further comprises cleaning pieces distributed at equal intervals, and the cleaning pieces are fixedly connected to the discharge pipe through connecting rods.
More preferably, the outer ring surface of the adjacent cleaning element is matched with the inner ring surface of the adjacent second filter cylinder, and the cleaning element is in the shape of an isosceles rhombus and used for pushing the impurities in the second filter cylinder to flow into the adjacent first filter cylinder.
More preferably, the sewage treatment device further comprises a discharge pipe, the discharge pipe is fixedly connected to the lower portion of the water containing barrel, the discharge pipe is communicated with an external sewage pumping pump, and a discharge shell used for discharging large impurities is communicated between the discharge pipe and the first filter barrel.
More preferably, the antifouling method of a filter for a ship ballast water management system comprises the steps of:
s1: when the ballast water is filtered, the ballast water is pumped into the water containing cylinder through the liquid inlet pipe, and is filtered through the first filter cylinder and the second filter cylinder, so that the filtered ballast water is discharged through the pure water cavity and the liquid discharge pipe;
s2: when the flow in the liquid discharge pipe is lower than a preset value, the electromagnetic valve opens the water inlet hole, the driving piece drives the discharging pipe and the fixing frame to drive the scraping plate to move circumferentially to clean impurities on the circular inner wall of the first filter cylinder, the cleaned impurities are pumped out through the water inlet hole and the discharging pipe under the action of the liquid pumping pump, in the process, ballast water in the pure water cavity is pumped through the water inlet hole to pass through the filter hole of the first filter cylinder and carry out the impurities on the filter hole of the first filter cylinder, back cleaning of the first filter cylinder is realized, and after a period of time, the electromagnetic valve closes the water inlet hole;
s3: in the process of the step S2, the fixed frame moves circumferentially to enable the cleaning plate to move to scrape off the thicker impurities on the annular side wall in the first filter cylinder, the residual impurity layer is extracted through the feeding hole to be cleaned reversely, the screw pitch of the spiral slideway enables the feeding hole and the cleaning plate to be matched to clean the impurities on the annular side wall in the first filter cylinder comprehensively, and the cleaning plate on one side moves towards the direction close to the central line of the first filter cylinder to drive the sliding frame to clean the impurities adhered to the outer wall of the fixed frame;
s4: in the process of the step S2, the discharge pipe rotates to drive the clearing piece to move circumferentially, and the clearing piece moves circumferentially to clear impurities adhered to the inner wall of the second filter cylinder and push the impurities into the first filter cylinders on two sides because the shape of the clearing piece is isosceles diamond;
s5: after the process of the step S4 is carried out, under the action of the sewage pumping pump, massive impurities accumulated on the lower part in the first filter cylinder are pumped out through the discharge pipe and the discharge shell, and after a period of time, impurities on the circular inner wall and the annular side wall of the first filter cylinder are removed to finish closing all electric parts.
The invention has at least the following beneficial effects:
1. the ballast water is filtered by the first filter cylinder and is discharged through the pure water cavity and the discharge pipe of the water containing cylinder, and because the inner diameter of the first filter cylinder is in gradient change, and the outer diameter of the second filter cylinder arranged from left to right is gradually reduced, the space for the ballast water to flow to the right is reduced, the flow rate of the ballast water is reduced, and the condition that the filtering efficiency is not completely influenced due to the fact that the residual impurities on the right part of the first filter cylinder are thick is avoided;
2. the impurities adhered to the circular inner wall and the annular side wall of the first filter cylinder are removed by circumferential movement of the scraping plate and the removing plate, the removed impurities are extracted by suction generated by the water inlet hole and the feed inlet, part of ballast water in the pure water cavity is driven by the suction to pass through the filtering hole of the first filter cylinder and drive the impurities in the filtering hole to be pumped into the water inlet hole and the feed inlet together, so that the first filter cylinder is reversely cleaned, the filtering efficiency is prevented from being influenced by the impurities remained in the filtering hole of the first filter cylinder, and the impurities adhered to the outer wall of a fixing frame for cleaning the first filter cylinder are removed by the sliding frame;
3. the material discharging pipe rotates to drive the cleaning part to move circumferentially to clean impurities adhered to the inner wall of the second filter cylinder, and the cleaning part is arranged in an isosceles diamond shape, so that the cleaned impurities are pushed into the first filter cylinder towards two sides in the circumferential moving process of the cleaning part, and the impurities adhered to the inner wall of the second filter cylinder are cleaned;
4. utilize discharging pipe and ejection of compact shell to take out the accumulational bold impurity in first cartridge filter lower part, prevent that bold impurity from blockking up inlet opening or feed inlet influence the cleaing away of the circular inner wall adhesion impurity of first cartridge filter.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional perspective view of the present invention;
fig. 3 is a schematic cross-sectional perspective view of a first filter cartridge and a second filter cartridge in accordance with the present invention;
FIG. 4 is a schematic perspective view of the spiral chute of the present invention;
FIG. 5 is a schematic perspective view of the movable frame, the material pumping pipe and the cleaning plate according to the present invention;
FIG. 6 is a schematic cross-sectional perspective view of the movable stand of the present invention;
FIG. 7 is an enlarged perspective view taken at A in FIG. 5 according to the present invention;
FIG. 8 is a perspective view of the purge plate and carriage of the present invention;
FIG. 9 is a perspective view of a tapping pipe and a tapping shell according to the invention.
Number designation in the figures: 1. mounting bracket, 2, flourishing water barrel, 3, feed liquor pipe, 4, fluid-discharge tube, 5, the baffle, 6, first cartridge filter, 7, second cartridge filter, 8, row's material pipe, 9, the driving piece, 10, the mount, 11, the inlet opening, 12, scrape the flitch, 13, the solenoid valve, 131, the spiral slideway, 14, the sliding tray, 15, the spout, 16, the feeding slideway, 17, the link, 18, remove the frame, 181, the feed inlet, 19, the material pumping pipe, 20, clear away the board, 21, the carriage, 22, clear away the piece, 23, the discharging pipe, 24, ejection of compact shell.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.
Example 1
A filter for a ship ballast water management system is disclosed, as shown in figures 1-8, and comprises a mounting frame 1, wherein the mounting frame 1 is connected with a water containing cylinder 2 through bolts, the middle part of the left side of the water containing cylinder 2 is communicated with a liquid inlet pipe 3 used for conveying ballast water to the right, the lower part of the water containing cylinder 2 is communicated with a liquid outlet pipe 4 used for discharging filtered ballast water, valves are arranged on the liquid inlet pipe 3 and the liquid outlet pipe 4, a baffle plate 5 is welded on the left part in the mounting frame 1, five first filter cylinders 6 are distributed in the water containing cylinder 2 at equal intervals, the first filter cylinders 6 are positioned on the right side of the baffle plate 5, the left and right adjacent first filter cylinders 6 are communicated through second filter cylinders 7, the leftmost first filter cylinder 6 is connected with the baffle plate 5 through bolts, the rightmost first filter cylinder 6 is connected with the right wall in the water containing cylinder 2 through bolts, the baffle plate 5, the first filter cylinders 6 and the second filter cylinders 7 are matched to form a pure water cavity communicated with the liquid outlet pipe 4, the outer diameter of the second filter cylinders 7 distributed from left to right is gradually reduced, the diameter for the ballast water to flow to the right is gradually reduced, so that the space for the ballast water to flow to the right is reduced, the flow rate of the ballast water is reduced, the inner diameter of the first filter cylinders 6 is changed in a gradient manner, the baffle 5 is rotatably connected with a discharge pipe 8 penetrating through the right wall of the water containing cylinder 2, a driving piece 9 for driving the discharge pipe 8 to rotate is installed at the upper part of the mounting frame 1 through bolts, fixing frames 10 with the same number as the first filter cylinders 6 are fixedly connected to the discharge pipe 8 at equal intervals, the fixing frames 10 are positioned in the adjacent first filter cylinders 6, water inlet holes 11 communicated with the discharge pipe 8 are formed in the upper part and the lower part of each fixing frame 10, the water inlet holes 11 are used for extracting impurities adhered to the first filter cylinders 6, scraping plates 12 for scraping the impurities on the circular inner walls of the first filter cylinders 6 are fixedly connected to the water inlet holes 11, a gap is reserved between the scraping plate 12 and the circular inner wall of the first filter cylinder 6, and an electromagnetic valve 13 for opening and closing the water inlet hole 11 is arranged in the water inlet hole 11.
As shown in fig. 4 to 8, the right wall of the leftmost first filter cartridge 6 is provided with a spiral chute 131, the left wall of the rightmost first filter cartridge 6 is provided with a spiral chute 131, the left and right walls of the rest of the first filter cartridges 6 are provided with spiral slideways 131, the number of turns of the spiral slideways 131 is the same, the pitch of the spiral slideways 131 changes in proportion to the width of the annular side wall of the first filter cartridge 6 where the spiral slideways are located, the cleaning plate 20 is adapted to the width movement of the annular side wall of the adjacent first filter cartridge 6, the screw pitches of the adjacent spiral slideways 131 are the same, sliding grooves 14 are formed in the left wall and the right wall of the fixed frame 10, sliding grooves 15 communicated with the adjacent sliding grooves 14 are symmetrically formed in the upper portion and the lower portion of the fixed frame 10, feeding slideways 16 communicated with the adjacent sliding grooves 15 are symmetrically formed in the upper portion and the lower portion of the fixed frame 10, the length of each feeding slideway 16 is in direct proportion to the width of the annular side wall of the first filter cartridge 6 where the feeding slideway is located, a connecting frame 17 is connected in the sliding grooves 14 in a sliding mode, moving frames 18 located in the adjacent sliding grooves 14 in a sliding mode are fixedly connected to the upper end and the lower end of each connecting frame 17 respectively, a feeding port 181 used for conveying impurities is formed in the moving frames 18, a cleaning plate 20 located in the adjacent sliding grooves 14 is fixedly connected to the feeding port 181 used for conveying the impurities and is communicated with the discharge pipe 8, the cleaning plate 20 located in the adjacent feeding port 181 and is fixedly connected to the adjacent feeding slideway 16 and used for scraping the impurities on the side wall of the first filter cartridge 6, a gap is reserved between the cleaning plate 20 and the annular side wall of the first filter cartridge 6, the cleaning plate 20 at the same distance between the middle point of the cleaning plate 21 of the cleaning plate located in the sliding rail 21 of the adjacent spiral slideway 21 and the sliding frame 16, and the first filter cartridge 6 is equal to the same distance between the cleaning plate.
When the ballast water filtering device is used, an operator communicates a ballast water conveying pipeline with a liquid inlet pipe 3, communicates a ballast water output pipeline with a liquid discharge pipe 4, pumps ballast water into a water containing cylinder 2 through the liquid inlet pipe 3, the ballast water in the water containing cylinder 2 flows into a first filtering cylinder 6 and is filtered, the filtered ballast water flows into a pure water cavity of the water containing cylinder 2 and is discharged through the liquid discharge pipe 4, the diameter of the ballast water flowing to the right is gradually reduced due to the fact that the inner diameter of the first filtering cylinder 6 changes in a gradient mode and the outer diameter of a second filtering cylinder 7 arranged from left to right is gradually reduced, so that the space for the ballast water to flow to the right is reduced, the flow rate of the ballast water is reduced, the ballast water in the first filtering cylinder 6 is uniformly distributed, the filtering area of the ballast water is increased by the fact that the inner diameter of the first filtering cylinder 6 changes in a gradient mode, the impact force of the ballast water to the right under the equal diameter is prevented from being large, the left impurities are prevented from being thick, and the impurities on the right are prevented from being completely removed, and the filtering efficiency is not completely influenced, and accordingly, impurities adhered to the circular inner wall of the first filtering cylinder 6 are convenient to clean the impurities adhered to clean the circular inner wall of the first filtering cylinder.
When the amount of ballast water discharged from the discharge pipe 4 is lower than a preset value, an operator starts the electromagnetic valve 13 to open the water inlet hole 11, the driving piece 9 is started to drive the discharge pipe 8 to rotate, a gap is reserved between the scraper 12 and the circular inner wall of the first filter cylinder 6, the discharge pipe 8 rotates to drive the scraper 12 to remove the thick impurities on the circular inner wall of the first filter cylinder 6 through the circumferential movement of the fixing frame 10, the electromagnetic valve 13 is started to start the liquid pump to work, the liquid pump generates suction force through the discharge pipe 8 and the water inlet hole 11, the suction force drives the ballast water in a part of the pure water cavity to pass through the filter hole of the first filter cylinder 6, the ballast water drives the impurities in the filter hole of the first filter cylinder 6 to be pumped into the water inlet hole 11 together, the filtered ballast water reversely flows to realize the backwashing of the first filter cylinder 6, the filtration efficiency of the first filter cylinder 6 to the ballast water is ensured, and after a period of interval, the operator closes the starting electromagnetic valve 13 to close the water inlet hole 11.
In the above process, the circumferential movement of the fixing frame 10 drives the cleaning plate 20 to move, because a gap is reserved between the cleaning plate 20 and the annular side wall of the first filter cartridge 6, the circumferential movement of the cleaning plate 20 on one side moves to move to the center line of the first filter cartridge 6 along the spiral slideway 131 through the slider to clean impurities on the annular side wall of the first filter cartridge 6, the cleaning plate 20 on one side which is close to the center line of the first filter cartridge 6 makes the cleaning plate 20 on the other side move away from the center line of the first filter cartridge 6 through the sliding frame 21, the sliding frame 21 moves to clean impurities adhered to the outer wall of the fixing frame 10, the cleaning plate 20 on both sides is matched to clean the thicker impurities on the annular side wall of the first filter cartridge 6, meanwhile, the pump generates suction force on the side wall of the first filter cartridge 6 through the discharge pipe 8, the feed inlet 181 and the chute 15, the ballast water in a part of the pure water cavity is driven to pass through the filter holes of the first filter cartridge 6, the ballast water drives the impurities in the filter holes of the first filter cartridge 6 to be pumped into the feed inlet 181, the filtered ballast water flows reversely to clean the first filter cartridge 6, the filter cartridge 6 in the reverse way, the impurity removal efficiency of the filter cartridge is prevented by an operator from affecting the filter cartridge 6 once again after the filter efficiency of the first filter pipe 8.
Example 2
On the basis of embodiment 1, as shown in fig. 9, the cleaning device further includes cleaning elements 22 distributed at equal intervals, the cleaning elements 22 are fixedly connected to the material discharge pipe 8 through connecting rods, the length of the connecting rods of the cleaning elements 22 is changed in proportion to the diameter of the second filter cylinder 7 where the cleaning elements are located, the outer annular surfaces of the upper and lower adjacent cleaning elements 22 are matched with the inner annular surfaces of the adjacent second filter cylinders 7, the shape of the cleaning elements 22 is set to be isosceles rhombus, the material discharge pipe 8 rotates to clean impurities adhered to the circular inner walls of the second filter cylinders 7 through the cleaning elements 22 and pushes the impurities into the first filter cylinders 6 to two sides, and accordingly the impurities adhered to the inner walls of the second filter cylinders 7 are cleaned.
As shown in fig. 9, the device further comprises a discharge pipe 23, the discharge pipe 23 is fixedly connected to the lower portion of the water containing barrel 2, the discharge pipe 23 is communicated with an external sewage pumping pump, a discharge shell 24 for discharging large impurities is communicated between the discharge pipe 23 and the first filter barrel 6, the large impurities accumulated at the lower portion in the first filter barrel 6 are pumped out through the discharge pipe 23 and the discharge shell 24 by the sewage pumping pump, the large impurities are prevented from blocking the water inlet hole 11 or the feed inlet 181 to influence the removal of the adhered impurities on the circular inner wall of the first filter barrel 6, and when the ballast water amount in the discharge pipe 4 is lower than a preset value, an operator repeats the above operation to remove the impurities in the first filter barrel 6 and the second filter barrel 7.
Example 3
On the basis of embodiment 2, as shown in fig. 1 to 9, an anti-fouling method for a filter for a ship ballast water management system comprises the following steps:
s1: when filtering ballast water, pumping the ballast water into the water containing cylinder 2 through the liquid inlet pipe 3, filtering the ballast water through the first filter cylinder 6 and the second filter cylinder 7, and discharging the filtered ballast water through the pure water cavity and the liquid discharge pipe 4, wherein the outer diameter of the second filter cylinder 7 far away from the liquid inlet pipe 3 is gradually reduced, and the flow rate of the ballast water is gradually reduced by utilizing the first filter cylinder 6 arranged in a gradient manner, so that the thickness of impurities adhered to the circular inner wall and the annular side wall of the first filter cylinder 6 is uniform and is convenient to remove;
s2: when the flow in the liquid discharge pipe 4 is lower than a preset value, the electromagnetic valve 13 opens the water inlet hole 11, the driving piece 9 drives the discharging pipe 8 and the fixing frame 10 to drive the scraping plate 12 to move circumferentially to clean impurities on the circular inner wall of the first filter cylinder 6, the cleaned impurities are pumped out through the water inlet hole 11 and the discharging pipe 8 under the action of the liquid pumping pump, in the process, ballast water in a pure water cavity is pumped through the water inlet hole 11 to pass through the filter hole of the first filter cylinder 6, the impurities in the filter hole of the first filter cylinder 6 are taken out, reverse cleaning of the first filter cylinder 6 is realized, and after a period of time, the electromagnetic valve 13 closes the water inlet hole 11;
s3: in the process of step S2, the fixing frame 10 moves circumferentially to enable the cleaning plate 20 to move to scrape off the thicker impurities on the inner annular side wall of the first filter cylinder 6, and the residual impurity layer is extracted through the feed port 181 to perform back cleaning, the screw pitch of the spiral slideway 131 enables the feed port 181 and the cleaning plate 20 to cooperate to completely clean the impurities on the inner annular side wall of the first filter cylinder 6, and the cleaning plate 20 on one side moves towards the direction close to the central line of the first filter cylinder 6 to drive the sliding frame 21 to clean the impurities adhered to the outer wall of the fixing frame 10;
s4: in the process of the step S2, the discharging pipe 8 rotates to drive the removing part 22 to move circumferentially, and the removing part 22 moves circumferentially to remove impurities adhered to the inner wall of the second filter cylinder 7 and push the impurities into the first filter cylinders 6 on two sides because the removing part 22 is shaped like an isosceles diamond;
s5: after the process of step S4, under the action of the sewage pump, the large impurities accumulated at the lower part of the first filter cylinder 6 are pumped out through the discharging pipe 23 and the discharging shell 24, and after a certain period of time, the impurities on the circular inner wall and the annular side wall of the first filter cylinder 6 are removed to complete the closing of all the electrical components.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (10)

1. A filter for a ship ballast water management system comprises a mounting frame (1), wherein the mounting frame (1) is detachably connected with a water containing cylinder (2), the middle part of one side of the water containing cylinder (2) is communicated with a liquid inlet pipe (3), the lower part of the water containing cylinder (2) is communicated with a liquid discharge pipe (4), a baffle (5) is fixedly connected in the mounting frame (1), the filter is characterized by further comprising first filter cartridges (6), the first filter cartridges (6) distributed at equal intervals are arranged in the water containing cylinder (2), the adjacent first filter cartridges (6) are communicated through second filter cartridges (7), two first filter cartridges (6) at the outermost side are respectively fixedly connected with the baffle (5) and the inner wall of the water containing cylinder (2), flourishing water drum (2), baffle (5), first cartridge filter (6) and second cartridge filter (7) cooperation form with the pure water chamber of fluid-discharge tube (4) intercommunication, baffle (5) rotate to be connected with row who runs through flourishing water drum (2) opposite side and expect pipe (8), arrange material pipe (8) and outside drawing liquid pump intercommunication, row's material pipe (8) pivoted driving piece (9) are arranged in the drive to mounting bracket (1) demountable installation, it has mount (10) the same with first cartridge filter (6) quantity to arrange material pipe (8) equidistance rigid coupling, and mount (10) are located adjacent first cartridge filter (6), mount (10) symmetry formula is provided with the inlet opening that communicates with row's material pipe (8) (11) The water inlet hole (11) is used for extracting impurities adhered to the interior of the first filter cylinder (6), a scraping plate (12) used for scraping the impurities on the circular inner wall of the first filter cylinder (6) is fixedly connected to the interior of the water inlet hole (11), and an electromagnetic valve (13) is arranged in the water inlet hole (11).
2. The filter for a ship ballast water management system according to claim 1, wherein the first filter cartridges (6) have a gradient inner diameter, the inner diameter of the first filter cartridges (6) is the largest at a side adjacent to the liquid inlet pipe (3), and the inner diameter of the first filter cartridges (6) is gradually decreased toward an opposite side of the liquid inlet pipe (3).
3. The filter for the ship ballast water management system according to claim 1, wherein the inner side wall of the first filter cartridge (6) is provided with a spiral slideway (131), the fixing frame (10) is provided with sliding grooves (14) distributed oppositely, the fixing frame (10) is symmetrically provided with sliding grooves (15) communicated with the adjacent sliding grooves (14), the upper part and the lower part of the fixing frame (10) are symmetrically provided with feeding slideways (16) communicated with the adjacent sliding grooves (15), the sliding grooves (14) are internally and slidably connected with connecting frames (17), the upper end and the lower end of each connecting frame (17) are respectively and fixedly connected with a moving frame (18) which is slidably positioned in the adjacent sliding groove (14), remove frame (18) and be provided with feed inlet (181) that are used for carrying impurity, feed inlet (181) and row material pipe (8) intercommunication have material pipe (19), the rigid coupling has in feed inlet (181) and slides and be located clearance board (20) in adjacent feeding slide (16), clearance board (20) are used for striking off the impurity of first cartridge filter (6) lateral wall, clearance board (20) of only mount 10 one end are through slider and adjacent spiral slide (131) spacing slip, remove frame (18) sliding connection has carriage (21), carriage (21) and adjacent clearance board (20) rigid coupling, it clears away the distance between the board (20) mid point and the feeding slide (16) mid point that locates to be located distance between same carriage (21) both ends clearance board (20) and locate it The distances are equal for the simultaneous movement of the cleaning plates (20) in the first filter cartridge (6).
4. A filter for a ship ballast water management system according to claim 3, wherein the number of turns of the screw ramps (131) is the same, and the pitch of the screw ramps (131) varies in proportion to the width of the annular side wall of the first filter cartridge (6) in which they are located, for the purpose of accommodating the width movement of the annular side wall of the adjacent first filter cartridge by the cleaning plate (20).
5. A filter for a ship ballast water management system according to claim 3, wherein the length of the feed chute (16) varies in proportion to the width of the annular side wall of the first filter cartridge (6) in which it is located.
6. A filter for a ship ballast water management system according to claim 4, wherein the scraper plate (12) is formed with a gap from the circular inner wall of the first filter cartridge (6), and the scavenger plate (20) is formed with a gap from the annular side wall of the first filter cartridge (6).
7. A filter for a ship ballast water management system according to claim 3, further comprising a plurality of equally spaced cleaning members (22), wherein the cleaning members (22) are secured to the discharge pipe (8) by connecting rods.
8. A filter for a ship ballast water management system according to claim 7, wherein outer annular surfaces of upper and lower adjacent removing members (22) are fitted to inner annular surfaces of adjacent second filter cartridges (7), and the removing members (22) are shaped as isosceles diamonds for pushing the foreign matters in the second filter cartridges (7) into the adjacent first filter cartridges (6).
9. The filter for the ship ballast water management system according to claim 7, further comprising a discharge pipe (23), wherein the discharge pipe (23) is fixedly connected to the lower portion of the water containing barrel (2), the discharge pipe (23) is communicated with an external sewage pump, and a discharge shell (24) for discharging bulk impurities is communicated between the discharge pipe (23) and the first filter cartridge (6).
10. The method for anti-fouling of a filter for a ship ballast water management system according to any one of claims 1 to 9, comprising the steps of:
s1: when filtering the ballast water, pumping the ballast water into the water containing cylinder (2) through the liquid inlet pipe (3), filtering the ballast water through the first filter cylinder (6) and the second filter cylinder (7), and discharging the filtered ballast water through the pure water cavity and the liquid discharge pipe (4), wherein the outer diameter of the second filter cylinder (7) far away from the liquid inlet pipe (3) is gradually reduced, and the flow rate of the ballast water is gradually reduced by utilizing the first filter cylinder (6) arranged in a gradient manner, so that the thickness of impurities adhered to the circular inner wall and the annular side wall of the first filter cylinder (6) is uniform and is convenient to remove;
s2: when the flow in the liquid discharge pipe (4) is lower than a preset value, the electromagnetic valve (13) opens the water inlet hole (11), the driving piece (9) drives the discharging pipe (8) and the fixing frame (10) to drive the scraping plate (12) to move circumferentially to clean impurities on the circular inner wall of the first filter cylinder (6), the cleaned impurities are pumped out through the water inlet hole (11) and the discharging pipe (8) under the action of the liquid pumping pump, in the process, ballast water in the pure water cavity passes through the filter hole of the first filter cylinder (6) through pumping of the water inlet hole (11), the impurities on the filter hole of the first filter cylinder (6) are taken out, back cleaning of the first filter cylinder (6) is realized, and after a period of time, the electromagnetic valve (13) closes the water inlet hole (11);
s3: in the process of the step S2, the fixed frame (10) moves circumferentially to enable the cleaning plate (20) to move to scrape off the thicker impurities on the annular side wall in the first filter cylinder (6), the residual impurity layer is extracted through the feeding hole (181) to be reversely cleaned, the screw pitch arranged on the spiral slideway (131) enables the feeding hole (181) and the cleaning plate (20) to be matched to completely clean the impurities on the annular side wall in the first filter cylinder (6), and the cleaning plate (20) on one side moves towards the direction close to the central line of the first filter cylinder (6) to drive the sliding frame (21) to clean the impurities adhered to the outer wall of the fixed frame (10);
s4: in the process of the step S2, the discharging pipe (8) rotates to drive the clearing piece (22) to move circumferentially, and the clearing piece (22) moves circumferentially to clear impurities adhered to the inner wall of the second filter cylinder (7) and push the impurities into the first filter cylinders (6) on two sides because the shape of the clearing piece (22) is set to be isosceles rhombus;
s5: after the process of the step S4 is carried out, under the action of the sewage pump, massive impurities accumulated on the lower portion in the first filter cylinder (6) are pumped out through the discharge pipe (23) and the discharge shell (24), and after a period of time, impurities on the circular inner wall and the annular side wall of the first filter cylinder (6) are removed, and all electric parts are closed.
CN202211592997.5A 2022-12-13 2022-12-13 Filter for ship ballast water management system and antifouling method Active CN115591301B (en)

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CN117585117A (en) * 2024-01-18 2024-02-23 常州泰尔格重工机械有限公司 Cleaning robot for ship and working method thereof

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CN117585117A (en) * 2024-01-18 2024-02-23 常州泰尔格重工机械有限公司 Cleaning robot for ship and working method thereof
CN117585117B (en) * 2024-01-18 2024-03-19 常州泰尔格重工机械有限公司 Cleaning robot for ship and working method thereof

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