Electro-desalting high-voltage electrode bar

Abstract

The utility model discloses an electro-desalting high-voltage electrode bar which comprises a conductor, a fastening nut, a fixing piece and a base, the conductor sequentially penetrates through the fastening nut, the fixing piece and the base, and the conductor is fixed on the fixing piece through the fastening nut. External threads capable of being in threaded sealing with an external pipeline are arranged on the periphery of the base, transformer oil is filled in an inner area of the external pipeline to serve as an insulating medium, a first external thread boss is arranged at the upper end of the base, and the fixing piece is provided with a threaded hole in threaded connection with the first external thread boss; and the fixing piece is provided with an oil inlet hole capable of supplying oil to the peripheral surface of the conductor. By adopting the electrode bar, water vapor can be effectively prevented from being deposited at the root of the electrode bar, the probability of discharge caused by water vapor accumulation is reduced, the service life of the electrode bar is prolonged, and the operation reliability of equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric desalination transformers, and in particular relates to an electric desalination high-voltage electrode rod. Background Art

[0002] The basic structure of the existing electric desalination high voltage electrode rod is as follows: Figure 1 As shown, it includes a conductor 1-1, a fastening nut 1-2, a fixing piece 1-3 and a base 1-4, the conductor 1-1 passes through the fastening nut 1-2, the fixing piece 1-3 and the base 1-4 in sequence, and the conductor 1-1 is fixed to the fixing piece 1-3 through the fastening nut 1-2, the base 1-4 is provided with a concave cavity, the inner wall of the concave cavity is provided with an internal thread 1-41, the fixing piece 1-3 is provided with an external thread 1-31 that matches the internal thread 1-41 of the base, and the outer periphery of the base is provided with an external thread that can be thread-sealed with an external pipe 1-5 (such as a flexible connecting pipe), and the area inside the external pipe 1-5 is filled with transformer oil as an insulating medium 1-6. However, since the base 1-4 is a concave design, the fixing piece 1-3 is placed inside the base and is threadedly connected to the base 1-4. When there is water vapor in the transformer oil, the water vapor can easily enter the bottom of the inner cavity of the base through the threaded connection between the base 1-4 and the fixing piece 1-3 (such as Figure 1 When the water vapor accumulates to a certain extent, it will come into contact with the conductor and, under the action of the high-voltage electric field, cause discharge between the conductor and the base, which will reduce the electrical performance of the electrode rod and even cause equipment failure due to damage to the conductor insulation and fixings. Moreover, once the water vapor enters between the fixings and the base, it is difficult to discharge the accumulated water vapor without disintegrating the electrode rod. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an electric desalination high-voltage electrode rod, which can effectively prevent water vapor from depositing at the root of the electrode rod, reduce the probability of discharge due to water vapor accumulation, extend the service life of the electrode rod, and improve the operating reliability of the equipment.

[0004] In order to solve the above technical problems, the technical solutions adopted by the utility model are as follows:

[0005] An electric desalination high-voltage electrode rod comprises a conductor, a fastening nut, a fixing part and a base, wherein the conductor passes through the fastening nut, the fixing part and the base in sequence, and the conductor is fixed to the fixing part through the fastening nut, the outer periphery of the base is provided with an external thread that can be sealed with an external pipe thread, the inner area of ​​the external pipe is filled with transformer oil as an insulating medium, the upper end of the base is provided with a first external threaded boss, and the fixing part is provided with a threaded hole threadedly connected to the first external threaded boss; the fixing part is provided with an oil inlet hole that can supply oil to the outer peripheral surface of the conductor.

[0006] As a preferred solution of the utility model, an oil drain port is provided at the root of the external pipeline corresponding to the first external threaded boss, and an oil drain ball valve is connected to the oil drain port.

[0007] As a preferred solution of the utility model, a second external threaded boss is provided at the upper end of the fixing member, and the second external threaded boss is threadedly connected to the fastening nut.

[0008] As a preferred solution of the present utility model, the oil inlet hole is provided at one end of the second external threaded boss close to the fixing member.

[0009] As a preferred solution of the present utility model, the shape of the outer peripheral portion of the fixing member close to the second external threaded boss is hexagonal.

[0010] As a preferred solution of the utility model, a clamping cone sleeve sleeved on the conductor is provided between the fastening nut and the fixing piece, and a conical surface cooperating with the clamping cone sleeve is provided at the channel port where the fixing piece cooperates with the conductor. The clamping cone sleeve can shrink and clamp the conductor under the push of the fastening nut and the extrusion of the conical surface.

[0011] As a preferred solution of the present utility model, the fastening nut is a hexagonal nut.

[0012] As a preferred solution of the present utility model, the base is made of stainless steel.

[0013] As a preferred solution of the present utility model, the materials of the fastening nut and the fixing piece are both insulating materials.

[0014] Compared with the prior art, the electric desalination high-voltage electrode rod provided by the utility model has the following beneficial effects:

[0015] The utility model changes the internal thread of the existing base and the fixing part threaded connection into an external thread, and changes the external thread of the existing fixing part and the base threaded connection into an internal thread, that is, a first external thread boss is arranged on the upper end of the base, and the fixing part is sleeved on the first external thread boss and threadedly connected with the first external thread boss. If there is water vapor accumulation in the transformer oil, it only accumulates at the outer root of the first external thread boss and does not directly contact the conductor, thereby effectively preventing water vapor from being deposited at the root of the electrode rod, reducing the probability of discharge caused by water vapor accumulation, extending the service life of the electrode rod, and improving the operating reliability of the equipment; at the same time, by opening an oil inlet hole on the fixing part, the transformer oil in the external pipeline flows into the matching channel between the fixing part and the conductor through the oil inlet hole, so that a reliable insulating layer is formed on the outer peripheral surface of the conductor, further improving the operating reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0017] Figure 1 It is a structural schematic diagram of the existing electric desalination high voltage electrode rod;

[0018] Figure 2 It is a structural schematic diagram of the electric desalination high voltage electrode rod provided by the embodiment of the utility model.

[0019] Markings in the figure:

[0020] Figure 1 In the figure, conductor 1-1; fastening nut 1-2; fixing piece 1-3; external thread 1-31; base 1-4; internal thread 1-41; external pipe 1-5; insulating medium 1-6;

[0021] Figure 2 In the figure, conductor 1; fastening nut 2; fixing piece 3; threaded hole 31; oil inlet hole 32; second external threaded boss 33; base 4; external thread 41; first external threaded boss 42; external pipeline 5; oil drain port 51; oil drain ball valve 52; insulating medium 6; clamping cone sleeve 7. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Please also read Figure 2 Now, the electric desalination high voltage electrode rod provided by the embodiment of the utility model is described.

[0027] like Figure 2 As shown, a preferred embodiment of the utility model is an electric desalination high-voltage electrode rod, which includes a conductor 1, a fastening nut 2, a fixing part 3 and a base 4, wherein the conductor 1 passes through the fastening nut 2, the fixing part 3 and the base 4 in sequence, and the conductor 1 is fixed to the fixing part 3 through the fastening nut 2, the outer periphery of the base 4 is provided with an external thread 41 which can be threadedly sealed with an external pipe 5, the inner area of ​​the external pipe 5 is filled with transformer oil as an insulating medium 6, the upper end of the base 4 is provided with a first external threaded boss 42, the fixing part 3 is provided with a threaded hole 31 threadedly connected to the first external threaded boss 42; the fixing part 3 is provided with an oil inlet hole 32 which can supply oil to the outer peripheral surface of the conductor 1.

[0028] Therefore, according to the electric desalination high-voltage electrode rod of the embodiment of the utility model, the internal thread of the existing base 4 and the fixing member 3 threadedly connected is changed into an external thread 41, and the external thread 41 of the existing fixing member 3 and the base 4 threadedly connected is changed into an internal thread, that is, a first external thread boss 42 is arranged at the upper end of the base 4, and the fixing member 3 is sleeved on the first external thread boss 42 and threadedly connected to the first external thread boss 42. If water vapor accumulates, it only accumulates at the outer root of the first external thread boss 42 and does not directly contact the conductor 1, thereby effectively preventing water vapor from being deposited at the root of the electrode rod, reducing the probability of discharge due to water vapor accumulation, extending the service life of the electrode rod, and improving the operating reliability of the equipment; at the same time, by opening an oil inlet hole 32 on the fixing member 3, the transformer oil in the external pipe 5 flows into the matching channel between the fixing member 3 and the conductor 1 through the oil inlet hole 32, so that a reliable insulating layer is formed on the outer peripheral surface of the conductor 1, further improving the operating reliability of the equipment.

[0029] Exemplarily, the external pipe 5 is provided with an oil drain port 51 at the root of the first external threaded boss 42 , and the oil drain port 51 is connected to an oil drain ball valve 52 to achieve the purpose of online water vapor discharge and prevent excessive water vapor accumulation from overflowing from the oil inlet to the conductor 1 .

[0030] Exemplarily, in order to facilitate the connection between the fastening nut 2 and the fixing member 3 , a second external threaded boss 33 is provided at the upper end of the fixing member 3 , and the second external threaded boss 33 is threadedly connected to the fastening nut 2 .

[0031] Exemplarily, in order to facilitate the fixation of the conductor 1 on the fixing member 3, a clamping cone sleeve 7 sleeved on the conductor 1 is provided between the fastening nut 2 and the fixing member 3, and a conical surface cooperating with the clamping cone sleeve 7 is provided at the channel port where the fixing member 3 cooperates with the conductor 1. The clamping cone sleeve 7 can shrink and clamp the conductor 1 under the push of the fastening nut 2 and the extrusion of the conical surface.

[0032] Exemplarily, in order to keep the oil inlet hole 32 as far away as possible from the water vapor accumulation location (ie, the root of the second external threaded boss 33 ), the oil inlet hole 32 is provided at one end of the second external threaded boss 33 close to the fixing member 3 .

[0033] Exemplarily, the shape of the outer peripheral portion of the fixing member 3 close to the second external threaded boss 33 is hexagonal, so as to facilitate the operation of a wrench to tighten the fixing member 3 on the base 4.

[0034] Exemplarily, the fastening nut 2 is a hexagonal nut, so that it is convenient to operate a wrench to tighten the fastening nut 2 on the fixing member 3.

[0035] Exemplarily, the base 4 is made of stainless steel.

[0036] Exemplarily, the materials of the fastening nut 2 and the fixing member 3 are both insulating materials.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An electric desalination high-voltage electrode rod, comprising a conductor, a fastening nut, a fixing member and a base, wherein the conductor passes through the fastening nut, the fixing member and the base in sequence, and the conductor is fixed to the fixing member through the fastening nut, the outer periphery of the base is provided with an external thread that can be sealed with an external pipe thread, and the inner area of ​​the external pipe is filled with transformer oil as an insulating medium, characterized in that: A first external thread boss is disposed at the upper end of the base, and a threaded hole threadedly connected to the first external thread boss is disposed on the fixing member; and an oil inlet hole capable of supplying oil to the outer peripheral surface of the conductor is disposed on the fixing member.

2. The electric desalination high voltage electrode rod according to claim 1, characterized in that: An oil drain port is provided at the root of the external pipeline corresponding to the first external threaded boss, and an oil drain ball valve is connected to the oil drain port.

3. The electric desalination high voltage electrode rod according to claim 1, characterized in that: A second external threaded boss is provided at the upper end of the fixing member, and the second external threaded boss is threadedly connected to the fastening nut.

4. The electric desalination high voltage electrode rod according to claim 3, characterized in that: The oil inlet hole is formed at one end of the second external thread boss close to the fixing member.

5. The electric desalination high voltage electrode rod according to claim 4, characterized in that: The shape of the outer peripheral portion of the fixing member close to the second external thread boss is hexagonal.

6. The electric desalination high voltage electrode rod according to claim 3, characterized in that: A clamping cone sleeve sleeved on the conductor is provided between the fastening nut and the fixing piece, and a conical surface matching with the clamping cone sleeve is provided at the channel port where the fixing piece matches with the conductor. The clamping cone sleeve can shrink and clamp the conductor under the push of the fastening nut and the extrusion of the conical surface.

7. The electric desalination high voltage electrode rod according to claim 1, characterized in that: The fastening nut is a hexagonal nut.

8. The electric desalination high voltage electrode rod according to claim 1, characterized in that: The base is made of stainless steel.

9. The electric desalination high voltage electrode rod according to claim 1, characterized in that: The materials of the fastening nut and the fixing piece are both insulating materials.

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