CN203706845U - Transformer insulation system drying device - Google Patents

Abstract

A transformer insulation system drying device comprises an oil tube. One end of the tube is communicated with an oil tank. The other end of the oil tube is communicated with a branch oil tube. A spraying head is connected with the branch oil tube through a universal connector. The oil tube comprises an inner sleeve tube and an outer sleeve tube. The inner sleeve tube can slide in the outer sleeve tube. A locking loop hoop is arranged on the outer sleeve pipe. The oil tube is provided with a valve. According to the transformer insulation system drying device, an oil tube structure formed by the inner sleeve pipe and the outer sleeve pipe is used, the inner sleeve pipe can slide in the outer sleeve pipe, the whole oil tube can contract up and down and extend to be adaptive to different spraying working positions, through the valve, the flow amount of sprayed oil can be controlled, so that different temperature lowering zones are obtained, the universal connector is connected with the spraying head, the principle of oil gas reverse jetting is used, different spraying angles of the spraying head can be controlled, cool oil is evenly sprayed on a transformer, and spraying is even.

Description

A kind of transformer insulated system drying device

Technical field

The utility model relates to the dry device of a kind of transformer insulated device, relates in particular to a kind of new equipment of transformer Hot oil spray drying pipeline.

Background technology

Transformer is important power equipment, and the security reliability of transformer depends primarily on its insulation property, and the degree of drying of transformer insulated system reliability of operation and insulation is closely related.Installing and that moisture and contaminating impurity are reduced to minimum degree is most important when maintenance.Hot Oil Spray constructive method is from transformer top spray to transformer core with the combined system of coil (device body) by heat transformer oil.Heat, by the diffusion of oil stream and the whole device body that spray, vacuumizes fuel tank simultaneously, and insulation internal moisture flashes to water vapor diffusion and is pumped to outside fuel tank, thereby reach the dry object of insulation, improve the electric property of insulation, delaying aging, the useful life of prolongation transformer.The weak point of this mode is the restriction that Hot Oil Spray device is subject to place, transformer model size, deep fat can not be sprayed transformer built-in electrical insulation from all angles, and the deep fat deal of spray is also inhomogeneous.In the process vacuumizing, the pressing plate in the Inside coil of transformer there will be the phenomenon of perk.

Summary of the invention

For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of transformer insulated system drying device, overcomes spray equipment of the prior art and in the time of Hot Oil Spray, has spray limitation, has dead angle, non-uniform spraying phenomenon.

The purpose of this utility model is achieved in that a kind of transformer insulated system drying device, and drying device comprises oil pipe, and oil pipe one end communicates with oil tank, and the other end communicates with a point branch oil pipe, and spray head is connected with a point branch oil pipe by universal joint.Described oil pipe comprises inner sleeve and outer tube, and inner sleeve can slide in outer tube, is provided with locking hoop on outer tube, is also provided with valve on oil pipe.

The transformer insulated system drying device that the utility model provides, has following beneficial effect:

The utility model has adopted the vitta structure being made up of inside and outside sleeve pipe, and inner sleeve can slide in outer tube, can make whole oil pipe shrink up and down, extends, to adapt to different spray stations; Can control the oily flow of ejection by valve to arrive between different cooling areas; Connect spray head by universal joint, utilize the anti-ejector principle of oil gas, can control the difference spray angle of spray head, the oil that makes to lower the temperature is evenly spraying wine on transformer, and uniform spraying.

The utility model can facilitate on-the-spot Repair of Transformer personnel's debugging work, be not subject to the rugged limitation in place, job site, be not subject to the on-the-spot various transformer model difference that needs maintenance, the limitation varying in size, operation is convenient, simplify workflow, can increase work efficiency, reach the effect that improves repair quality.Meanwhile, reduce energy consumption, avoid overlapping construction, save material, the economic benefit of enterprise.

If there is the transformer (main transformer) of Multiple Type in the power station in a power plant, in the time of Repair of Transformer, adopt Hot Oil Spray pipeline in the past, have the transformer of several models, just need supporting several Hot Oil Spray pipelines, enterprise drops into huge, expensive, time-consuming, take work-yard.If taked after device that the utility model provides, can be with one when many, when maintenance, no longer need to expend a large amount of manpower and materials and prepare the piping installation of Hot Oil Spray, ensure that project progress is not subject to pipeline and is worked into the restriction of ETCD estimated time of commencing discharging.And this new equipment is easy and simple to handle, do not need Special Training, greatly increase work efficiency; Particularly adopt the showerhead configuration being connected by universal joint, do not have the dead angle of spray, reached the object that improves repair quality.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is the utility model spray part-structure schematic diagram.

Fig. 2 is apparatus arrangement schematic diagram of the present utility model.

Embodiment

Structure of the present utility model is as shown in Figure 1-2: a kind of transformer insulated system drying device, and drying device comprises oil pipe 2, and oil pipe 2 one end communicate with oil tank 8, and the other end communicates with a point branch oil pipe 10, and spray head 3 is connected with dividing a branch oil pipe 10 by universal joint 11.

Described oil pipe 2 comprises inner sleeve 7 and outer tube 9, and inner sleeve 7 can be in the interior slip of outer tube 9, is provided with locking hoop 12 on outer tube 9, is also provided with valve 13 on oil pipe 2.

Operation principle of the present utility model is as follows: cooling is stored in oil tank 8 with oil, is carried and is caused point branch oil pipe 10 by oil pipe 2, is ejected in transformer insulated system from spray head 3, and universal joint 11 can change spray angle.Transformer insulated system as shown in Figure 2, comprises upper clamping piece 4, lower clamping piece 6, between upper clamping piece 4 and lower clamping piece 6, is main insulation.Control oil inlet quantity by valve 13, in the time need to changing the length of oil pipe 2, inner sleeve 7 can, in the interior slip of outer tube 9, while arriving preseting length, be fixed by locking hoop 12.

Claims (1)

1. a transformer insulated system drying device, it is characterized in that: drying device comprises oil pipe (2), oil pipe (2) one end communicates with oil tank (8), the other end communicates with a point branch oil pipe (10), spray head (3) is connected with a point branch oil pipe (10) by universal joint (11), described oil pipe (2) comprises inner sleeve (7) and outer tube (9), inner sleeve (7) can slide in outer tube (9), on outer tube (9), be provided with locking hoop (12), on oil pipe (2), be also provided with valve (13).