SU990588A1 - Arrangement for protecting water supply system of a vessel from overgrowth - Google Patents

Description

The invention relates to shipbuilding, in particular, to devices for protecting the water supply system of a watercraft against fouling.

A device for protecting the water supply system of a watercraft against fouling is known, which comprises an anode which is mounted on a branch pipe of a Cl} pipeline.

A disadvantage of the known device is that the anode is made in the form of soluble flat plates of a certain geometric shape. Their replacement is associated with manual work / inside the tank and with temporary removal of the power plant. All this leads to a decrease in the efficiency of the device and its lack of reliability.

The purpose of the invention is to increase the efficiency and reliability of the device for protecting the water supply system from fouling.

The goal is achieved by the fact that in the device the anode is made in the form of a perforated box-shaped bunker, inserted with its base into the specified nozzle and fitted in its upper part with a loading tube.

In addition, the upper end of the loading tube is provided with a sleeve, and the lower end - with an electrically insulating gasket installed between the indicated hopper and the loading tube.

Fig. 1 is a schematic diagram of a water supply system of a watercraft with a device for its anti-fouling protection; in Fig.2 10 section aD in Fig.1; Fig.3 section bb in Fig.2.

The water supply system of the watercraft contains the main and reserve submersible pumps 1, communicated to pipes 15 by pipelines 2 with capacity 3 through non-return valves 4 and through jumper 5, looped inside the vessel. Jumper 5 is electrically insulated

20, an anti-fouling device is mounted in the form of a flange 7 bonded to a perforated box 8 with a hopper 8 of a sparingly soluble alloy. The base 9 of the box-shaped bunker 8, filled with copper 10 (copper alloy), is inserted inside jumper junction 6 6 of the jumper 5. The upper part 11 of the box-like bunker 8 is connected through an electrical insulating gasket 12 to the loading tube 13, the upper end of which is fitted with a sleeve 14 mounted on deck 15 boats. The anode current lead 16, passed through the electrically insulating sleeve 17 in the wall 18 of the tank 3, is contact-connected to the box-shaped bunker 8. The body of the protected structure serves as the cathode. A cathode current lead (not shown) is connected to the housing in any convenient place. The container 3 is connected to the consumer 19 through the filter 20. The device for protecting the water supply system of the floating device from wrapping works as follows. Water from any of the immersion pumps 1 through pipeline 2, non-return valve 4 and jumper 5 enters the tank 3. 3. Anodic dissolution occurs from the branch pipe b and the perforated bunker 8 installed on it. copper 10, located in the hollow-box bunker (anode) S. electrolysis products are washed away with a stream of seawater passing through the box-shaped bunker 8, and are carried away into the tank 3 and further to the consumer 19, preventing their fouling. The required current value is determined by calculation, the outcome of their specific characteristics of the protected system, with almost complete dissolution of the copper in the cavity of the box-shaped bunker (anode) 8, there is a sharp decrease in the current value. This serves as a signal of the need to load the anode with copper. Before- ,

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Claims (2)

Fig f is loaded without ocTaHOBKlT and disassembling the water supply system directly from deck 15 through loading tube 13 equipped with a sleeve 14. The invention allows uninterrupted water supply to consumers by excluding the output from the power plant, reducing labor costs for measuring electrodes, and eliminating the consumption of deficit copper rolled. Claim 1. A device for protecting the water supply system of a floating device against fouling, containing an anode which is mounted on a pipe of a pipeline of the system, characterized in that, in order to increase efficiency and reliability, the anode is made in the form of a perforated box-like bunker, inserted with its own base inside the specified pipe and supplied in the upper part of the loading pipe. 2. The device as claimed in claim 1, wherein the upper end of the loading tube is provided with a sleeve, and the lower end with an electrically insulating gasket installed between the said hopper and the loading tube. Sources of information taken into account in the examination 1. USSR author's certificate on application 1 2962002, cl. At 63 J 5/00, 07.21.80 (prototype).