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CN-224203926-U - Antiseep oil tank of electric furnace transformer

CN224203926UCN 224203926 UCN224203926 UCN 224203926UCN-224203926-U

Abstract

The utility model relates to the technical field related to electric furnace transformers, in particular to an anti-leakage oil tank of an electric furnace transformer, which comprises an oil tank shell, wherein an upper end frame is arranged at the upper end of the oil tank shell, a tank cover is arranged at the upper end of the upper end frame, an anti-seepage mechanism is arranged at the upper end of the oil tank shell, a communicating pipe is arranged on the inner wall of the oil tank shell, a radiating fin is arranged on the outer wall of the oil tank shell, and a connecting frame is arranged on the lower wall of the oil tank shell. This an electric furnace transformer antiseep oil tank, through the setting of prevention of seepage groove, prevention of seepage material, go up seal groove, go up sealing washer, side seal groove, side seal circle and sealing block, the setting of prevention of seepage groove can make between the inner shell of oil tank shell and shell pack the prevention of seepage material and can prevent to a certain extent that fluid from permeating in the welding gap of oil tank shell, then the side seal circle in the side seal groove can extrude the lateral wall of sealing block, and the case lid can extrude the last sealing washer in the last seal groove and can effectively prevent the seepage in the gap of fluid from case lid and upper end frame.

Inventors

  • QIAN JIANDONG
  • XU JINGHAN
  • Lei Hankang

Assignees

  • 江苏新特变科技股份有限公司

Dates

Publication Date
20260505
Application Date
20250509

Claims (7)

  1. 1. The anti-leakage oil tank of the electric furnace transformer comprises an oil tank shell (1) and is characterized in that an upper end frame (2) is arranged at the upper end of the oil tank shell (1), a tank cover (3) is arranged at the upper end of the upper end frame (2), an anti-seepage mechanism (4) is arranged at the upper end of the oil tank shell (1), a communicating pipe (5) is arranged on the inner wall of the oil tank shell (1), a radiating fin (6) is arranged on the outer wall of the oil tank shell (1), a connecting frame (7) is arranged on the lower wall of the oil tank shell (1), and a buffer mechanism (8) is arranged on the lower wall of the connecting frame (7); The anti-seepage mechanism (4) comprises an anti-seepage groove (41), an anti-seepage material (42), an upper sealing groove (43), an upper sealing ring (44), a side sealing groove (45), a side sealing ring (46) and a sealing block (47), wherein the anti-seepage groove (41) is formed in the upper end of the oil tank shell (1), the anti-seepage material (42) is arranged on the inner wall of the anti-seepage groove (41), the upper sealing groove (43) is formed in the upper wall of the upper end frame (2), the upper sealing ring (44) is arranged on the inner wall of the upper end frame (43), the side sealing groove (45) is formed in the inner wall of the upper end frame (2), the side sealing ring (46) is arranged on the inner wall of the side sealing groove (45), and the sealing block (47) is arranged on the lower wall of the tank cover (3).
  2. 2. The leakage-proof oil tank for electric furnace transformer according to claim 1, wherein the inner wall of the upper sealing groove (43) is matched with the outer wall of the upper sealing ring (44), and the inner wall of the side sealing groove (45) is matched with the outer wall of the side sealing ring (46).
  3. 3. The anti-leakage oil tank for the electric furnace transformer according to claim 1, wherein the communication pipe (5) penetrates through the oil tank shell (1) and is connected with the cooling fins (6), and the cooling fins (6) are distributed at equal intervals on the outer wall of the oil tank shell (1).
  4. 4. The anti-leakage oil tank for the electric furnace transformer according to claim 1 is characterized in that the communicating pipes (5) are distributed at equal intervals on the inner wall of the oil tank shell (1), and the connecting frames (7) are symmetrically arranged on the central axis of the oil tank shell (1).
  5. 5. The anti-leakage oil tank of the electric furnace transformer according to claim 1, wherein the buffer mechanism (8) comprises a movable block (81), a movable groove (82), a storage block (83), a storage groove (84), a hydraulic damper (85) and a bottom plate (86), the movable block (81) is arranged on the lower wall of the connecting frame (7), the movable groove (82) is formed in the bottom wall of the movable block (81), the storage block (83) is arranged on the outer wall of the movable block (81), the storage groove (84) is formed in the upper wall of the storage block (83), the hydraulic damper (85) is arranged on the inner wall of the storage groove (84), and the bottom plate (86) is fixedly connected with the bottom wall of the storage block (83).
  6. 6. The antiseep oil tank for electric furnace transformer according to claim 5, wherein the outer wall of the movable block (81) is matched with the inner wall of the receiving groove (84), and the movable block (81) is symmetrically arranged with the central axis of the oil tank shell (1).
  7. 7. The leakage-proof oil tank for electric furnace transformer according to claim 5, wherein the hydraulic dampers (85) are distributed at equal intervals on the inner wall of the accommodating groove (84).

Description

Antiseep oil tank of electric furnace transformer Technical Field The utility model relates to the technical field related to electric furnace transformers, in particular to an anti-leakage oil tank of an electric furnace transformer. Background The electric furnace transformer is core equipment in metallurgical industry and is specially designed for high-temperature smelting scenes such as an arc furnace, an ore-smelting furnace and the like. The traditional power transformer cannot bear severe current fluctuation, frequent short circuit and high-temperature environment when the electric furnace works, and the electric furnace transformer ensures stable power supply under extreme working conditions such as electrode arcing, furnace charge melting and the like through special designs such as reinforcing winding structures, increasing short circuit impedance, optimizing cooling systems (such as oil immersed/water cooled) and the like. There are many components of an electric furnace transformer, of which the oil tank is one of the important components. The following problems exist in the prior art when the transformer oil tank of the electric furnace is used: Before the existing electric furnace transformer is used, a worker firstly applies a proper amount of oil to an oil tank to mainly play roles of insulation and cooling, the boiling point of the oil is higher, but the oil can permeate at a gap between an oil tank cover and welding due to overlarge pressure in the tank, and once the permeation occurs, the damage such as short circuit and explosion can be caused due to the fact that the transformer is partially overheated or severe in discharge. Disclosure of utility model The utility model aims to provide an anti-leakage oil tank of an electric furnace transformer, which aims to solve the problems that a proper amount of oil is filled in the oil tank by workers before the electric furnace transformer is used, the oil mainly plays a role in insulation and cooling, the boiling point of the oil is higher, oil penetration can be caused at a gap between an oil tank cover and welding due to overlarge pressure in the tank, and damage such as short circuit and explosion can be caused when the penetration can cause local overheating or severe discharge of the transformer. The anti-leakage oil tank of the electric furnace transformer comprises an oil tank shell, wherein an upper end frame is arranged at the upper end of the oil tank shell, a tank cover is arranged at the upper end of the upper end frame, an anti-seepage mechanism is arranged at the upper end of the oil tank shell, a communicating pipe is arranged on the inner wall of the oil tank shell, a radiating fin is arranged on the outer wall of the oil tank shell, a connecting frame is arranged on the lower wall of the oil tank shell, and a buffer mechanism is arranged on the lower wall of the connecting frame; The anti-seepage mechanism comprises an anti-seepage groove, anti-seepage materials, an upper sealing groove, an upper sealing ring, a side sealing groove, a side sealing ring and a sealing block, wherein the anti-seepage groove is formed in the upper end of the oil tank shell, the anti-seepage materials are arranged on the inner wall of the anti-seepage groove, the upper sealing groove is formed in the upper wall of the upper end frame, the upper sealing ring is arranged on the inner wall of the upper sealing groove, the side sealing groove is formed in the inner wall of the upper end frame, the side sealing ring is arranged on the inner wall of the side sealing groove, and the sealing block is arranged on the lower wall of the tank cover. Preferably, the inner wall size of the upper sealing groove is identical with the outer wall size of the upper sealing ring, and the inner wall size of the side sealing groove is identical with the outer wall size of the side sealing ring. Preferably, the communicating pipe penetrates through the oil tank shell and is connected with the cooling fins, and the cooling fins are distributed at equal intervals on the outer wall of the oil tank shell. Preferably, the communicating pipes are distributed at equal intervals on the inner wall of the oil tank shell, and the connecting frames are symmetrically arranged by the central axis of the oil tank shell. Preferably, the buffer gear includes movable block, movable groove, accomodates the piece, accomodates groove, hydraulic damper and bottom plate, the lower wall of link is provided with the movable block, the movable groove has been seted up to the diapire of movable block, the outer wall of movable block is provided with accomodates the piece, accomodate the upper wall of piece and seted up accomodates the groove, accomodate the inner wall in groove and be provided with hydraulic damper, accomodate the diapire fixedly connected with bottom plate of piece. Preferably, the outer wall size of the movable block is identical with the inner wall size of the storage groove, a