Simple seawater pipeline anti-corrosion device

Abstract

The utility model discloses a simple seawater pipeline anti-corrosion device which comprises a main seawater pipeline, a branch pipe is led out of the upper portion of the main seawater pipeline, a flange plate is welded to the end of the branch pipe, a blind flange is arranged above the flange plate, a base is fixedly connected to the middle of the top face of the blind flange, and a through multi-step hole structure is arranged in the base. Comprising a first stepped hole located on the upper portion and a second stepped hole located on the lower portion, a through hole equal to the second stepped hole in diameter is formed in the center of the blind flange, a first internal thread is arranged on the inner wall of the first stepped hole, and an anti-corrosion assembly is arranged in the base in a penetrating mode and comprises an adjusting rod matched with the first stepped hole. A connecting rod matched with the second stepped hole is fixedly connected below the adjusting rod, the bottom end of the connecting rod sequentially penetrates through the second stepped hole and the through hole and extends into the branch pipe, and an observation window is formed in the side wall of the branch pipe. By using the anti-corrosion device, the position of the sacrificial anode in the branch pipe can be adjusted in time, so that the sacrificial anode is always close to the main seawater pipeline, and the anti-corrosion effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ship auxiliary equipment technical field, concretely relates to a simple seawater pipeline anticorrosion device. BACKGROUND

[0002] There are a large number of seawater pipelines in the ship piping system, and the seawater pipelines are seriously electrochemically corroded by seawater, which seriously shortens the service life of the seawater pipelines.

[0003] The existing Chinese patent technology "a kind of anticorrosion structure applied to seawater pump", application number CN202022667921.7 provides a ship seawater pipeline anticorrosion structure, which reduces the electrochemical corrosion of seawater to equipment and piping system by installing zinc block on the back of blind plate flange, but the zinc block gradually reduces in the reaction process, and the distance from the seawater main pipeline is farther and farther, and the consumption of zinc block cannot be observed outside.

[0004] Therefore, it is necessary to provide a simple seawater pipeline anticorrosion device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at the deficiencies in the prior art, provides a simple seawater pipeline anticorrosion device, which is convenient for adjusting the position of zinc block in branch pipe, can observe the consumption of zinc block, and can be replaced in time.

[0006] To achieve the above object, the utility model adopts the technical scheme of:

[0007] A simple seawater pipeline anticorrosion device, including main seawater pipeline, the upper part of main seawater pipeline leads out a section of branch pipe, the end of branch pipe is welded with flange plate, the upper part of flange plate is equipped with blind plate flange, flange plate and blind plate flange are sealed and fastened by bolt, the top surface of blind plate flange is fixedly connected with pedestal, the pedestal is equipped with through multi-step hole structure, including first step hole located in upper part and second step hole located in lower part, the hole diameter of first step hole is greater than the hole diameter of second step hole, the center of blind plate flange is equipped with through hole with the same diameter as second step hole, the inner wall of first step hole is equipped with first internal thread, the anticorrosion assembly is arranged in the pedestal, the anticorrosion assembly includes adjusting rod matched with first step hole, the outer periphery of adjusting rod is equipped with first external thread, the bottom of adjusting rod is fixedly connected with connecting rod matched with second step hole, the bottom end of connecting rod penetrates second step hole and through hole in sequence and extends to the inside of branch pipe, the outer periphery of the bottom end of connecting rod is equipped with second external thread, the top end of sacrificial anode is equipped with second internal thread matched with second external thread, the bottom end of connecting rod is screw-connected and fixed with sacrificial anode, the side wall of branch pipe is equipped with observation window.

[0008] Preferably, the top end of the adjusting rod is fixedly connected with a handle for rotation.

[0009] Preferably, the blind flange top surface is provided with a gas permeation pipe.

[0010] Preferably, the sacrificial anode is a zinc block.

[0011] Preferably, the top end of the connecting rod is sleeved with a sealing ring.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. By rotating the handle to rotate the adjusting rod, the sacrificial anode at the bottom end of the connecting rod can be displaced vertically up and down, along with the continuous consumption of the sacrificial anode, the position of the sacrificial anode in the branch pipe is adjusted in time, so that the sacrificial anode is always close to the main seawater pipeline, and the anticorrosion effect is improved.

[0014] 2. By setting the observation window in the branch pipe, the consumption of the sacrificial anode can be grasped at any time, and the position of the sacrificial anode can be adjusted or the sacrificial anode can be replaced in time. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is an enlarged schematic diagram of A in the figure. Figure 1

[0017] Figure 3 It is a sectional view of the base.

[0018] Figure 4 It is a structural schematic diagram of the adjusting rod, the connecting rod and the handle.

[0019] Wherein, 1-main seawater pipeline, 2-branch pipe, 3-flange plate, 4-blind flange, 5-base, 6-first step hole, 7-second step hole, 8-adjusting rod, 9-connecting rod, 10-sacrificial anode, 11-sealing ring, 12-observation window, 13-gas permeation pipe, 14-handle DETAILED DESCRIPTION

[0020] The utility model will be further illustrated in connection with the drawings and specific embodiments, and it should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model, and after reading the utility model, the modification of various equivalent forms of the utility model by those skilled in the art falls within the range defined in the claims attached to the present application.

[0021] ​In the utility model, unless another definite provision and limitation, the terms "mount", "set", "connect", "fix" and so on terms should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] In the utility model, the orientation or positional relationship indicated by terms such as "upper", "lower", "bottom" and "top" is the orientation or positional relationship shown in the drawings, which is merely a relationship word determined for the purpose of conveniently describing the structural relationship of components or elements of the utility model, and does not specifically refer to any component or element in the utility model, and should not be understood as a limitation on the utility model.

[0023] As shown in Figures 1 to 4 A simple seawater pipeline anticorrosion device, including main seawater pipeline 1, the upper part of main seawater pipeline leads out a section of branch pipe 2, the end of branch pipe is welded with flange plate 3, the upper part of flange plate is equipped with blind plate flange 4, flange plate and blind plate flange are sealed and fastened through bolt, the top surface of blind plate flange is welded with pedestal 5 in the middle, the inside of pedestal is equipped with through multi-step hole structure, including the first step hole 6 in the upper part and the second step hole 7 in the lower part, the hole diameter of first step hole is greater than the hole diameter of second step hole, the center of blind plate flange is provided with through hole with the same diameter as second step hole, the inner wall of first step hole is provided with first internal thread, anticorrosion assembly is arranged in the inside of pedestal, anticorrosion assembly includes adjusting rod 8 matched with first step hole, the outer periphery of adjusting rod is provided with first external thread, the top end of adjusting rod is welded with handle 14 for rotating adjusting rod, the lower part of adjusting rod is fixed with connecting rod 9 matched with second step hole, the bottom end of connecting rod extends to the inside of branch pipe through second step hole and through hole in sequence, the outer periphery of the bottom end of connecting rod is provided with second external thread, the top end of sacrificial anode 10 is provided with second internal thread matched with second external thread, the bottom end of connecting rod is screwed with sacrificial anode and is fixed, the top end of connecting rod is provided with sealing ring 11, the side wall of branch pipe is provided with observation window 12, the top surface of blind plate flange is installed with breather pipe 13, usually uses zinc block as sacrificial anode.

[0024] The use method of the simple seawater pipeline anticorrosion device comprises the following steps: when used, first, the bottom end of the connecting rod is sequentially penetrated through the first stepped hole, the second stepped hole and the through hole, then the sacrificial anode is fixedly screwed with the bottom end of the connecting rod, the blind plate flange is locked with the flange plate to block, the handle is rotated, the sacrificial anode is moved through the rotating adjusting rod, the position of the sacrificial anode is observed through the observation window, until the sacrificial anode is close to the main seawater pipeline, the position of the sacrificial anode is moved through the observation of the consumption of the sacrificial anode at regular time, so that the sacrificial anode is always located near the main seawater pipeline, and the sacrificial anode is always in the best anticorrosion effect on the main seawater pipeline.

[0025] The above description shows and describes the preferred embodiments of the utility model, as described before, it should be understood that the utility model is not limited to the form disclosed herein, should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the utility model concept described herein, through the above teaching or related technical or knowledge. The change and variation made by the person in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims of the utility model.

Claims

1. A simple seawater pipeline corrosion protection device, comprising a main seawater pipeline (1), and a branch pipe (2) extending from the top of the main seawater pipeline, characterized in that: A flange (3) is welded to the end of the branch pipe, and a blind flange (4) is provided above the flange. The flange and the blind flange are sealed and fastened by bolts. A base (5) is fixed to the middle of the top surface of the blind flange. The base has a through multi-step hole structure, including a first step hole (6) located at the top and a second step hole (7) located at the bottom. The diameter of the first step hole is larger than that of the second step hole. A through hole with the same diameter as the second step hole is opened in the center of the blind flange. A first internal thread is opened on the inner wall of the first step hole. The base is penetrated by a through hole. The anti-corrosion component includes an adjusting rod (8) that is adapted to the first step hole. The adjusting rod has a first external thread on its outer periphery. A connecting rod (9) adapted to the second step hole is fixedly connected below the adjusting rod. The bottom end of the connecting rod passes through the second step hole and the through hole in sequence and extends into the inside of the branch pipe. The bottom end of the connecting rod has a second external thread on its outer periphery. The top end of the sacrificial anode (10) has a second internal thread adapted to the second external thread. The bottom end of the connecting rod is screwed and fixed to the sacrificial anode. An observation window (12) is provided on the side wall of the branch pipe.

2. The simple seawater pipeline corrosion protection device according to claim 1, characterized in that: The top of the adjusting rod is fixed to a handle (14) for rotation.

3. The simple seawater pipeline anti-corrosion device according to claim 1, characterized in that: The top surface of the blind flange is provided with a vent pipe (13).

4. A simple seawater pipeline corrosion protection device according to claim 1, characterized in that: The sacrificial anode is a zinc block.

5. A simple seawater pipeline corrosion protection device according to claim 1, characterized in that: A sealing ring (11) is fitted at the top of the connecting rod.

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