JP3237225U - Pumice removal seawater strainer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inhale a large amount of pumice stones, the capacity of the strainer main body is exceeded, the circulation of cooling water is hindered, the engine overheats, and the number of ships which become inoperable increases. Therefore, we will provide a seawater strainer that can prevent pumice stones from clogging. SOLUTION: A plurality of upward partition walls 4 are arranged face-to-face inside a strainer main body 1, and pumice stones move upward between the partition walls by their own buoyancy and can be separated from conventional impurities, and a large amount of pumice can be applied to the filter 3. It prevents pumice from accumulating. [Selection diagram] Fig. 1

Description

The present invention relates to a seawater trainer having a partition wall in the seawater trainer of a ship and capable of preventing pumice (other suspended matter) from clogging.

In a normal ship, the seawater impeller operates at the same time as the engine is started to cool the engine, sending seawater into the engine. The structure uses the heat to cool the engine and keep it at a constant temperature.
Impurities are also mixed in the seawater, and usually a strainer made of a net and an outer shell was used to remove the impurities when they accumulated (about once a year).

However, the conventional seawater strainer is designed without assuming the intrusion of a large amount of pumice stones, and if a large amount of pumice stones intrude, it will exceed the capacity of the strainer body, which will hinder the circulation of cooling water and overheat the engine. This is causing an increase in the number of vessels that are unable to navigate.

The present invention has a structure in which a plurality of intersecting partition walls having an upward angle are face-to-face inside the strainer, and pumice stones passing between the internal partition walls are collected at the upper part to prevent subsidence. It has a structure that separates normal cooling water.
Even at sea, by temporarily stopping the engine and closing the in and out valves, the pumice stone removal seawater trainer has the characteristic that the pumice stones accumulated on the upper part can be manually removed from the opening and closing opening on the upper part of the strainer.
The structure is such that the overlapping partition walls prevent the pumice stones (other suspended matter) that have once floated from re-sinking to the lower part due to the agitation of the seawater inside.
Negative pressure of water supply by the engine impeller is generated at the strainer outlet of the seawater strainer, and pumice stones (other suspended matter) that do not rise through the partition wall may adhere to the upper surface of the filter, but it is negative by temporarily stopping the engine. The pressure becomes 0, the pumice stones attached to the filter due to the old water pressure are agitated in the strainer due to the shaking of the ship, and the fine pumice stones also pass through the gap of the upper partition wall and move to the upper part, and by removing the lid on the upper part of the strainer, the hand It has a structure that can remove pumice stones by work.
Vessels with an inboard motor structure are structured so that suspended matter of 5 to 6 mm or more is not taken into the ship by the intake trainer on the bottom of the ship. Even if a large amount of pumice stones adhere to the intake trainer due to the water supply pressure, the floating diffusion of the adhered pumice stones can be promoted by suspending the engine.
By reducing the size of the pore size of the filter of the present invention, even if the engine absorbs something within a certain range into the engine, it will pass through the seawater impeller, heat exchanger, exhaust mixing elbow, etc. without any problem, and will pass to the outside of the engine. It can be released and the seawater can be circulated abundantly in the engine.
The strainer of the present invention is divided into an upper part and a lower part, and the filter can be cleaned and the type of the filter (the size of the eye hole) can be selected by separating the upper part and the lower part at the upper part of the filter. A drain cock is provided to drain the strainer at that time.
In addition, when multiple strainers are connected and used, the size of the filter hole of each strainer is reduced in order of large, medium and small, and the final filter hole size is suppressed to 1.5 mm or less. As a result, if the engine is a normal engine, even if the engine absorbs something within 1.5 mm into the engine, it can pass through the impeller, heat exchanger, and exhaust mixing elbow without any problem, and seawater is normally circulated in the engine. be able to.

The pumice removal seawater trainer of the present invention has the effect of removing pumice stones (other suspended matter) in the engine and can eliminate the cause of failure.
In addition, the accumulated pumice stones (other suspended matter) can be easily removed without decomposing the strainer.

It is a structural sectional view of the seawater strainer of this invention. It is a figure of the removal work when the light stone (other suspended matter) of the seawater strainer of this invention is deposited. It shows the structure of the strainer net of the present invention.

The main body of the strainer is composed of the upper part ▲ 1 ▼ of the main body, the lower part ▲ 2 ▼ of the main body, the lid ▲ 5 ▼ of the main body, and the filter ▲ 3 ▼. A plurality of upward partition walls (4) are face-to-face in the upper part (1) of the main body. In addition, each joint has a leak packing.
There is a partition wall ▲ 4 ▼ -1, and the partition wall ▲ 4 ▼ -2 is arranged so that the cut surface covers the cut surface of the partition wall ▲ 4 ▼ -1. Similarly, the partition walls ▲ 4 ▼ -3 and the partition walls ▲ 4 ▼ -4 are also arranged so as to cover each other's cut surface. Place a gap in each partition to allow pumice stones to pass through.
In order to change the filter (3), the main body (1) and the main body (2) have a removable structure.
In addition, the lid (5) of the main body can also be removed in order to remove the accumulated pumice stone (B).
When the strainer is installed below the waterline ▲ A ▼, close the valves ▲ 6 ▼ and ▲ 7 ▼, drain the water inside the main body from the drain cock ▲ 12 ▼, replace and clean the filter ▲ 3 ▼, and pumice stone ▲ It is a structure that can remove B ▼.

The seawater sucked from the water supply pipe ▲ 9 ▼ is agitated inside the main body ▲ 1 ▼, and the pumice stone ▲ B ▼ whose specific density is lighter than 1 is concentrated on the upper part along the partition wall and is pure seawater passed through the filter ▲ 3 ▼. Only is supplied to the engine. The accumulated pumice stones can be removed manually by removing the upper lid ▲ 5 ▼. The normal filter (3) can be easily replaced and cleaned by removing the main body (1) and (2).

▲ 1 ▼ Seawater trainer body upper part ▲ 2 ▼ Seawater trainer body lower part ▲ 3 ▼ Filter ▲ 4 ▼ Partition ▲ 5 ▼ Seawater trainer body lid ▲ 6 ▼ Seawater suction port valve from the bottom of the ship ▲ 7 ▼ Water supply pipe from the strainer to the engine part Valve ▲ 8 ▼ Water supply pipe to engine ▲ 9 ▼ Water supply pipe to strainer ▲ 10 ▼ Hull bottom part ▲ 11 ▼ Intakes trainer ▲ 12 ▼ Screw type drain cock ▲ 13 ▼ Star-shaped hole-shaped strainer ▲ 14 ▼ Long hole shape strainer ▲ 15 ▼ Figure when a light stone is stuck in a star-shaped hole ▲ 16 ▼ Figure when a light stone is stuck in a long hole ▲ 17 ▼ Figure when a long hole is seen from the side ▲ A ▼ Waterline ▲ B ▼ Accumulated pumice

It is a structural sectional view of the seawater strainer of this invention. It is a figure of the removal work when the pumice stone (other suspended matter) of the seawater strainer of this invention is deposited. It shows the structure of the strainer net of the present invention. It shows the structure of the strainer net of the present invention.

Claims (3)

In the seawater strainer of a ship, it has an upward angle with respect to the horizontal plane inside the main body facing upright, and has multiple partition walls with intersecting cut surfaces alternately facing each other to prevent re-sinking of pumice stones due to seawater agitation and deposit on the top. A pumice stone removal seawater strainer with the feature that pumice stones can be manually removed from the opening and closing opening attached to the top. By changing the shape of the strainer net to a star-shaped hole, seawater can pass through the gap around the pumice stone attached to the center of the star. Similarly, in the case of a long-hole net shape, a cavity is created around the attached pumice stone, and seawater can pass through the gap.

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