CN207572200U - A kind of oily type transformer gravity flow heat exchanger - Google Patents

Abstract

The utility model is related to a kind of oily type transformer gravity flow heat exchangers, including bottom frame, guide shell, isocon, header, aluminium flat conduit, return duct, service pipe, flowline, oil inlet pipe, oil inlet pipe is equipped with filter residue cylinder, filter chamber is equipped in filter residue cylinder, cylindrical filter sleeves are cased in filter chamber, filter residue chamber is equipped between cylindrical filtration cartridges and filter chamber inner wall, filter residue cylinder bottom is equipped with discharge port, discharge port Slag filtering box, the outlet of filter residue cylinder side top, filter residue cylinder side bottom are equipped with import.The utility model realizes that cooling oil freely cools down generation reflux, aluminium flat conduit and the air heat-exchange in guide shell by vertical aluminium flat conduit, and guide shell guiding air heats rise, quickly exchange heat convenient for cooling oil and air, heat is effectively prevent to gather on aluminium flat conduit surface.The rotation for realizing cooling oil using cylindrical filter chamber and export and import rises, and solid impurity settles under the action of centrifugal force and its own gravity in filter residue intracavitary, without external connection power, saves the energy and reduces equipment volume.

Description

A kind of oily type transformer gravity flow heat exchanger

Technical field

The utility model is related to heat exchanger, more particularly to a kind of oily type transformer gravity flow heat exchanger.

Background technology

Oily type transformer is one kind of transformer, is a kind of structural shape of transformer, is also referred to as oil-immersed transformer, That is the coil of transformer impregnates in the oil.Oily type transformer be suitable for electric system, industrial and mining enterprises, traffic, postal and telecommunication entities, R＆D institution etc. carries out various high voltage electric equipments, electric elements, insulating materials the dielectric strength under power frequency or high direct voltage Experiment.Oily type transformer insulate by insulating oil, arrives the torrid zone that coil generates by cycle of the insulating oil in inside transformer It is radiated (cooling) on the radiator (cooler) of transformer.In the prior art, generally use plate-sheet-type cooler heat is easy Surface is collected at, heat dissipation effect is poor.

Utility model content

In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of oily type transformer gravity flow heat exchanger.

Technical solution is used by the utility model solves its technical problem：A kind of oily type transformer is exchanged heat with gravity flow Device, it is described to change including bottom frame, the heat exchange module being arranged on the bottom frame, the guide shell for wrapping up the heat exchange module lateral surface Thermal modules include the isocon of horizontal parallel setting, the header of horizontal parallel setting, the connection isocon and header Aluminium flat conduit, the header are located above the isocon, and the header is arranged in parallel with the isocon, the header Return duct is communicated between both ends, service pipe is communicated between the isocon both ends, the outermost header both ends connect Flowline is connected with, the innermost isocon both ends are communicated with oil inlet pipe, and the oil inlet pipe is equipped with filter residue cylinder, the filter residue cylinder It is interior to be equipped with cylindrical filter chamber, cylindrical filter sleeves are cased in the filter chamber, are set between the cylindrical filtration cartridges and the filter chamber inner wall There is a filter residue chamber, the filter residue cylinder bottom is equipped with the discharge port connected with the filter residue chamber, Slag filtering box on the discharge port, the filter Slag cylinder side top exports, and the filter residue cylinder side bottom is equipped with import.

Realize that cooling oil freely cools down generation and flows back by vertical aluminium flat conduit in above-mentioned design, in aluminium flat conduit and guide shell Air heat-exchange, guide shell guiding air heats rise, quickly exchange heat convenient for cooling oil and air, effectively prevent heat flat in aluminium Pipe surface is gathered.The rotation for realizing cooling oil using cylindrical filter chamber and export and import rises, and solid impurity is in centrifugal force It is settled under the action of its own gravity in filter residue intracavitary, the operation of above equipment saves the energy and reduce equipment without external connection power Volume.

As being further improved for the design, the cylinder filter chamber center is equipped with vertical water conservancy diversion screw rod, effectively adds The revolution of fast cooling oil, improves centrifugal force, convenient for promoting filter residue ability in the case of small flow.

As being further improved for the design, the discharge port is equipped with the valve for closing discharge port, convenient for not It influences to clear up Slag filtering box in the case of cooling cycle.

As being further improved for the design, the bottom frame is equipped with deflection cone, and the deflection cone centre-height is higher than described Deflection cone brim height, the deflection cone center is located at the guide shell bottom centre, effectively in the feelings for having external air flow to influence Under condition, the air velocity in guide shell is improved, improves heat exchange efficiency.

The beneficial effects of the utility model are：The utility model realizes that cooling oil freely cools down production by vertical aluminium flat conduit Raw reflux, aluminium flat conduit and the air heat-exchange in guide shell, guide shell guiding air heats rise, quick with air convenient for cooling oil Heat exchange, effectively prevent heat to gather on aluminium flat conduit surface.The rotation of cooling oil is realized using cylindrical filter chamber and export and import Turn to rise, solid impurity settles under the action of centrifugal force and its own gravity in filter residue intracavitary, and the operation of above equipment is without outer Power is connect, the energy is saved and reduces equipment volume.

Description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the front cross-sectional schematic diagram of the utility model.

Fig. 2 is the side schematic view of the utility model.

Fig. 3 is the schematic top plan view of the utility model.

Fig. 4 is the aluminium flat conduit cross-sectional structure schematic diagram of the utility model.

1. bottom frame in figure, 2. deflection cones, 3. guide shells, 4. aluminium flat conduits, 5. isocons, 6. headers, 7. flowlines, 8. Oil inlet pipe, 9. outlets, 10. water conservancy diversion screw rods, 11. cylindrical filter sleeves, 12. discharge ports, 13. imports, 14. filter chambers, 15. valves, 16. Slag filtering box, 17. return ducts, 18. service pipes, 19. filter residue cylinders, 20. filter residue chambers.

Specific embodiment

Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with And explanation is only used for explaining the utility model, but be not intended to limit the scope of the present invention.

Embodiment：A kind of oily type transformer gravity flow heat exchanger, including bottom frame 1, the heat exchange mould being arranged on the bottom frame 1 The guide shell 3 of block, the package heat exchange module lateral surface, the heat exchange module include the isocon 5 of horizontal parallel setting, level The aluminium flat conduit 4 of header 6, the connection isocon 5 and header 6 being arranged in parallel, the header 6 are located at the isocon 5 tops, the header 6 are arranged in parallel with the isocon 5, and return duct 17 is communicated between 6 both ends of header, described Service pipe 18 is communicated between 5 both ends of isocon, outermost 6 both ends of header are communicated with flowline 7, innermost institute It states 5 both ends of isocon and is communicated with oil inlet pipe 8, the oil inlet pipe 8 is equipped with filter residue cylinder 19, cylindrical filter is equipped in the filter residue cylinder 19 Chamber 14 is cased with cylindrical filter sleeves 11 in the filter chamber 14, filter residue is equipped between 14 inner wall of the cylindrical filtration cartridges and the filter chamber Chamber 20,19 bottom of filter residue cylinder are equipped with the discharge port 12 that is connected with the filter residue chamber 20, Slag filtering box 16 on the discharge port 12, 19 side top of the filter residue cylinder outlet 9,19 side bottom of filter residue cylinder is equipped with import 13.

Realize that cooling oil freely cools down generation reflux, aluminium flat conduit 4 and guide shell by vertical aluminium flat conduit 4 in above-mentioned design Air heat-exchange in 3, guide shell 3 guide air heats to rise, quickly exchange heat convenient for cooling oil and air, heat is effectively prevent to exist Gather on 4 surface of aluminium flat conduit.The rotation for realizing cooling oil using cylindrical filter chamber 14 and outlet 9 and import 13 rises, and solid is miscellaneous Matter settles under the action of centrifugal force and its own gravity in filter residue chamber 20, and the operation of above equipment is saved without external connection power The energy reduces equipment volume.

As being further improved for the design, 14 center of the cylinder filter chamber is equipped with vertical water conservancy diversion screw rod 10, has Effect accelerates the revolution of cooling oil, improves centrifugal force, convenient for promoting filter residue ability in the case of small flow.

As being further improved for the design, the discharge port 12 is equipped with the valve 15 for closing discharge port 12, just In the cleaning Slag filtering box 16 in the case where not influencing cooling cycle.

As being further improved for the design, the bottom frame 1 is equipped with deflection cone 2, and 2 centre-height of deflection cone is higher than institute 2 brim height of deflection cone is stated, 2 center of deflection cone is located at 3 bottom centre of guide shell, is effectively having external air flow influence In the case of, the air velocity in guide shell 3 is improved, improves heat exchange efficiency.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in Other related technical areas are equally included in the patent within the scope of the utility model.

Claims (4)

1. a kind of oily type transformer gravity flow heat exchanger, which is characterized in that including bottom frame, the heat exchange mould being arranged on the bottom frame The guide shell of block, the package heat exchange module lateral surface, it is flat that the heat exchange module includes the isocon of horizontal parallel setting, level The header of row setting, the aluminium flat conduit for connecting the isocon and header, the header are located at below the isocon, institute State header to be arranged in parallel with the isocon, be communicated with return duct between the header both ends, the isocon both ends it Between be communicated with service pipe, the outermost header both ends are communicated with flowline, the innermost isocon both ends connection There is oil inlet pipe, the oil inlet pipe is equipped with filter residue cylinder, and cylindrical filter chamber is equipped in the filter residue cylinder, cylindrical shape is cased in the filter chamber Filter cylinder, is equipped with filter residue chamber between the cylindrical filtration cartridges and the filter chamber inner wall, the filter residue cylinder bottom is equipped with and the filter residue The discharge port of chamber connection, Slag filtering box on the discharge port, the filter residue cylinder side top outlet, the filter residue cylinder side bottom are set There is import.

2. a kind of oily type transformer according to claim 1 gravity flow heat exchanger, it is characterized in that, in the cylinder filter chamber The heart is equipped with vertical water conservancy diversion screw rod.

3. a kind of oily type transformer according to claim 1 gravity flow heat exchanger, it is characterized in that, the discharge port is equipped with For closing the valve of discharge port.

4. a kind of oily type transformer according to claim 1 gravity flow heat exchanger, it is characterized in that, the bottom frame is equipped with water conservancy diversion Cone, the deflection cone centre-height are higher than the deflection cone brim height, and the deflection cone center is located at the guide shell bottom Center.