External sacrificial anode device
A sacrificial anode, external technology, applied in the field of corrosion protection, can solve the problems of expensive replacement of ferroalloy anode pipe sections, hidden dangers of pipeline safety operation, thinning of pipeline inner wall, etc., achieve low maintenance cost, improve safety and service life, and beautiful appearance Effect
Active Publication Date: 2019-06-04
NO 719 RES INST CHINA SHIPBUILDING IND
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Problems solved by technology
However, after a long period of use, it needs to be disassembled and replaced again. In actual operation, it is more expensive and difficult to replace the ferroalloy anode tube section with flange, and if the ferroalloy anode tube section is not replaced in time, it will lead to thinning of the inner wall of the pipeline, thus making the pipeline The safe operation of the
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[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0029] see Figure 1 to Figure 4 As shown, the embodiment of the present invention provides an external sacrificial anode device, which includes a pipe segment body 1 provided with a liquid flow channel, and several openings 1a communicating with the liquid flow channel are opened on the side wall of the pipe segment body 1 The outside of the pipe section body 1 is provided with a detachable pipe clip 2 of hollow structure, and the openings 1a of the pipe section body 1 are all located inside the detachable pipe clip 2; the detachable pipe clip 2 Both the top and the bottom are provided with sealing teeth 3, and the tooth surfaces of the sealing teeth 3 are fitted with a soft sealing tape 4, and grooves ( Not shown in the figure), when the detachable pipe clip 2 is set on the outside of the pipe section body 1, the sealing tooth 3 wi...
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The invention discloses an external sacrificial anode device relating to the technical field of corrosion protection. The device comprises a pipe section body, wherein a plurality of openings are formed in the side walls of the pipe section body; a detachable pipe clamp is arranged outside the pipe section body in a sleeving manner; the plurality of openings are positioned inside the detachable pipe clamp; sealing teeth of which tooth surfaces are attached to soft sealing strips are arranged on the top and at the bottom of the detachable pipe clamp; a groove is formed in the corresponding position of the outer surface of the side wall of the pipe section body and the sealing teeth; when the detachable pipe clamp is arranged outside the pipe section body in a sleeving manner, the sealing teeth are clamped with the groove, so that a sealed chamber is formed inside the detachable pipe clamp; a plurality of anode blocks are arranged between the detachable pipe clamp and the pipe section body; and the plurality of anode blocks are fixed on the inner side of the detachable pipe clamp by virtue of fasteners. The external sacrificial anode device disclosed by the invention is easy to use,convenient to detach, convenient to replace and cheap in maintenance, can be safely and reliably applied to cathode protection of pipelines and equipment in sea water systems and has an excellent using effect.
Description
technical field [0001] The invention relates to the technical field of corrosion protection, in particular to an external sacrificial anode device. Background technique [0002] Sacrificial anode technology is widely used in the corrosion protection industry. It is an effective metal anti-corrosion method. Its basic principle is to use a highly reducing metal as a protective electrode, and connect it with the protected metal through a conductive medium to form a primary battery. In the formed galvanic battery, the metal with strong reducibility acts as the anode of the galvanic battery for oxidation reaction, and is gradually consumed as the electrons flow out, so that the protected metal can be used as the cathode of the galvanic battery to avoid corrosion. [0003] At present, a special ferroalloy anode tube section is usually used as a sacrificial anode tube section in the marine seawater pipeline system. However, after a long period of use, it needs to be disassembled a...
Claims
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IPC IPC(8): C23F13/16
CPCC23F13/16C23F2213/32
Inventor 胡一鸣韩灿峰赵宏博李华峰姚露侯英哲王刚张金国
Owner NO 719 RES INST CHINA SHIPBUILDING IND