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CN-121971904-A - Pollution filtering device and method for marine seawater

CN121971904ACN 121971904 ACN121971904 ACN 121971904ACN-121971904-A

Abstract

The invention relates to the technical field of seawater filtration, in particular to a pollution filtering device for marine seawater, which comprises a filter, wherein the bottom end in the filter is provided with a base, the base is provided with a filter vat, and the filter vat is provided with a water inlet towards the water inlet direction of the filter; the utility model also relates to a pollution filtration method for marine sea water, through driving motor, extrusion mechanism and adjustment mechanism's setting, the boats and ships only start the rough filtration branch road under the high sediment operating mode of harbour, the sea water gets into in the filter vat through the water inlet, directly discharge after filtering, switch over to rough filtration after the departure and add fine filtration two-stage tandem connection, through adjusting rotatory division board, and keep apart the filter vat into two filtration cavity through extrusion mechanism, adjust the size of another cavity filtration pore simultaneously, thereby realize the two-stage filtration to sea water, with the abrasion of reduction central cooler and heat exchange tube, the jam risk, prolong its life-span, and then can carry out nimble regulation according to actual conditions.

Inventors

  • YU DONGHUA
  • GU CHANGQING
  • YANG JIE

Assignees

  • 南通汉威船舶技术有限公司

Dates

Publication Date
20260505
Application Date
20260403

Claims (9)

  1. 1. A pollution filtering device for marine seawater comprises a filter (1), and is characterized in that a base (2) is arranged at the inner bottom end of the filter (1), a filter vat (3) is arranged on the base (2), a water inlet (4) is formed in the direction of water inlet of the filter vat (3) towards the filter (1), a top cover (5) is mounted at the top end of the filter (1) in a sealing mode through bolts, a separation plate (6) is arranged on the inner side of the filter vat (3), a rotating shaft (7) is fixedly connected to the top end of the separation plate (6), the top end of the rotating shaft (7) penetrates through the top end of the top cover (5) to be arranged, the rotating shaft (7) is connected to the top cover (5) in a sealing and rotating mode, a support (8) is fixedly connected to the top end of the support (8), an output end of the drive motor (9) penetrates through the support (8) to be fixedly connected to the top end of the rotating shaft (7), two sides of the separation plate (6) are arranged at the top end of the filter vat (3) in a bonding mode, two sides of the separation plate (6) are arranged at the position of the filter vat (1) in a sealing mode, a small water inlet and outlet mechanism (3) is arranged on the filter vat, a small water inlet mechanism is arranged on the filter mechanism, the small water inlet mechanism and the filter mechanism is extended out of the filter vat (3, an L-shaped water passing cavity (10) is formed in the side wall of the base (2).
  2. 2. The pollution filtering device for marine seawater according to claim 1, wherein the top end of the L-shaped water passing cavity (10) penetrates through the top end of the base (2), the top end of the L-shaped water passing cavity (10) is fixedly connected with a filter plate (11), the size of a filter hole of the filter plate (11) is the same as that of a filter hole of the filter barrel (3), and a side opening of the L-shaped water passing cavity (10) is positioned right below the water inlet (4).
  3. 3. The pollution filtering device for marine seawater according to claim 1, wherein a pair of barrier strips (12) are fixedly connected between the inner side of the filter (1) and the water inlet and outlet, and the side walls of the barrier strips (12) are attached to the outer wall of the filtering barrel (3).
  4. 4. The marine seawater pollution filtering device of claim 1, wherein the extrusion mechanism comprises an electric telescopic cylinder (13), L-shaped grooves are formed in two sides of the isolation plate (6), round grooves communicated with the L-shaped grooves are formed in the top ends of the isolation plate (6), L-shaped rods (14) are transversely and slidingly connected to the inner sides of the L-shaped grooves, inclined grooves (15) are formed in the sides, close to each other, of the L-shaped rods (14), a pair of round rods (16) are penetratingly and slidingly connected to the top end of the top cover (5), the round rods (16) are longitudinally and hermetically connected to the top cover (5), the round rods (16) are arranged at positions right above the inclined grooves (15) after the isolation plate (6) rotates by ninety degrees, right-angle blocks (17) with inclined planes are arranged beside the round rods (16), connecting plates (18) are fixedly connected between the right-angle blocks (17), the output ends of the electric telescopic cylinder (13) are fixedly connected to the top ends of the top cover (5), and the output ends of the electric telescopic cylinder (13) are fixedly connected to the side walls (18).
  5. 5. The marine seawater pollution filtering device according to claim 4, wherein an upper spring (19) is fixedly connected between the outer wall of the round rod (16) and the top end of the top cover (5), a pair of side plates (20) are connected to the side walls of the L-shaped rod (14), a lower spring (21) is fixedly connected between the side walls of the side plates (20) and the inner sides of the round grooves, a sealing gasket (22) is fixedly connected to one far away side of the L-shaped rod (14), and a notch (23) is formed in the bottom of one L-shaped rod (14).
  6. 6. The marine seawater pollution filtering device according to claim 1, wherein the adjusting mechanism comprises a semicircular filter plate (24), a fan-shaped top groove (25) is formed in the top end of the filter barrel (3), the fan-shaped top groove (25) is arranged on one side far away from a water inlet pipe of the filter (1), the semicircular filter plate (24) is inserted into the inner side of the fan-shaped top groove (25), a fan-shaped bottom groove (26) is formed in the top end of the base (2), a fan-shaped plate (27) is arranged on the inner side of the fan-shaped bottom groove (26), the top end of the fan-shaped plate (27) is fixedly connected to the bottom of the semicircular filter plate (24), a plurality of reset springs (29) are fixedly connected between the inner side of the fan-shaped top groove (25) and the side wall of the semicircular filter plate (24), a pushing groove (30) for pushing the upper rod (28) during rotation is formed in the bottom end of the partition plate (6), and the filtering holes of the semicircular filter plate (24) are aligned with the filtering holes of the filter barrel (3).
  7. 7. The device for filtering marine seawater pollution according to claim 1, wherein the inner sides of the filter barrels (3) are fixedly connected with a pair of containing frames (31), the containing frames (31) are arranged at the rear side positions of ninety degrees of rotation on two sides of the isolation plates (6), the inner sides of the containing frames (31) are slidably connected with side blocks (32), the top ends of the bases (2) are provided with top grooves, the bottom ends of the isolation plates (6) are fixedly connected with circular plates (35) relative to the positions in the top grooves, the bottoms of the side blocks (32) are fixedly connected with lower rods (36), the side walls of the lower rods (36) penetrate through the inner sides of the top grooves, the tops of the lower rods (36) are fixedly connected with extrusion rods (37), the radial distances from two ends of the extrusion arc grooves (38) to the centers of the circular plates (35) are the same, the distances from long to the short ends of the extrusion arc grooves are arranged along the extending directions of the circular plates, and the extrusion rods (37) are inserted into one ends of the extrusion arc grooves (38) with the longest distances.
  8. 8. The device for filtering seawater for a ship according to claim 7, wherein a pair of baffles (33) are rotatably connected to the side walls of the storage frame (31), and torsion springs (34) are fixedly connected between the rotating shafts of the baffles (33) and the side walls of the storage frame (31).
  9. 9. A pollution filtering method for marine seawater, which is suitable for the pollution filtering device for marine seawater according to any one of claims 1 to 8, comprising the steps of; Firstly, controlling the driving motor (9) to start to drive the rotating shaft (7) and the isolation plate (6) to rotate, and further driving the isolation plate (6) to rotate ninety degrees, so that the isolation plate (6) is blocked between water inlet and outlet pipes of the filter (1); Step two, adjusting, namely driving the adjusting mechanism to operate in the rotating process of the isolation plate (6), and adjusting the size of a filter hole on one side of the filter vat (3) far away from the water inlet (4); Step three, extruding and sealing, and then controlling the extruding mechanism to start, so as to seal the gap between the isolation plate (6) and the inner side of the filter vat (3); and fourthly, filtering after adjustment, finally filtering the seawater entering from the water inlet (4) through the filter vat (3), discharging the filtered seawater, then entering the other chamber of the filter vat (3) through the L-shaped water passing cavity (10), and discharging the filtered seawater after the seawater is filtered through the smaller filter holes after adjustment.

Description

Pollution filtering device and method for marine seawater Technical Field The invention relates to the technical field of seawater filtration, in particular to a pollution filtering device and method for marine seawater. Background When the ship sails at sea, the electromechanical equipment in the ship can generate a large amount of heat during operation, so that the ship needs to be cooled in a water cooling mode, and because the environment where the ship is located is provided with water-cooled water sources from seawater, the seawater contains more impurities, so that the influence of the impurities in the seawater on the ship equipment is avoided, the seawater can be used after being filtered by using the water sources through filters, the main effect of the seawater filtering of the ship is to remove the impurities and salt in the seawater, ensure the safe operation of a ship engine cooling system and navigation equipment, and the seawater filters are used for filtering the impurities, dust, rust and other harmful substances in the seawater to protect the normal operation of the cooling system and prevent the ship engine from being damaged due to substances such as particles, sediment, microorganisms and the like contained in the seawater. The existing marine seawater filter is of a single-cavity single-net structure, one-stage filtering can only be achieved at one time, real-time adjustment cannot be carried out according to the conditions of a ship running sea area, capacity expansion and upgrading cannot be carried out in an operation stage, when the quality of the water of a route is poor or a cooler has higher requirements on cleanliness, an independent fine filtering unit can only be additionally arranged nearby, so that a pipeline is re-perforated, valve groups are increased, cabin space is tense, improvement cost is high, construction period is long, and user use requirements cannot be met. ‌ A Accordingly, a pollution filtering device and method for marine seawater have been proposed to solve the above problems. Disclosure of Invention The invention aims to solve the defects in the background art, and provides a pollution filtering device and method for marine seawater. In order to achieve the purpose, the technical scheme includes that the pollution filtering device for the marine seawater comprises a filter, a base is arranged at the inner bottom end of the filter, a filter barrel is arranged on the base, a water inlet is formed in the filter barrel towards the water inlet direction of the filter, a top cover is mounted on the top end of the filter in a sealing mode through bolts, the top cover is attached to the top end of the filter barrel, a partition plate is arranged on the inner side of the filter barrel, a rotating shaft is fixedly connected to the top end of the partition plate, the top end of the rotating shaft penetrates through the top end of the top cover, the top end of the top cover is fixedly connected with a support, a driving motor is fixedly connected to the top end of the support, the output end of the driving motor penetrates through the support and is fixedly connected to the top end of the rotating shaft, two sides of the partition plate are arranged beside a water inlet pipe and a water outlet pipe of the filter, a sealed extrusion mechanism used for extending out of the filter barrel after ninety degrees is arranged on two sides of the partition plate, an adjusting mechanism used for adjusting the size of a filter hole is arranged on the filter barrel, and an L-shaped water passing cavity is formed in the side wall of the base. In the above technical scheme, further, the top of L type water cavity runs through the base top and sets up, the top fixedly connected with filter of L type water cavity, just the filtration pore size of filter is the same with the filtration pore size of filter vat, the side opening of L type water cavity is located the water inlet position under. In the above technical scheme, further, the filter inboard is fixed connection with a pair of blend stop for the position between the water inlet and outlet, just blend stop lateral wall laminating mutually with the filter vat outer wall. In the above technical scheme, further, extrusion mechanism includes electric telescopic cylinder, the L type groove has all been seted up to the division board both sides, the round groove that is linked together with L type groove has been seted up on the division board top, the L type inslot side all transversely sliding connection has L type pole, the chute has all been seted up to L type pole one side that is close to mutually, top cap top through sliding connection has a pair of round bar, the vertical sealed sliding connection of round bar is on the top cap, the round bar sets up the position just above the chute behind the division board rotation ninety degrees, all be equipped with the right angle piece that has the inclined plane by the round bar, fixedl