CN111128524B

CN111128524B - Transformer maintenance-free moisture absorber silica gel drying device

Info

Publication number: CN111128524B
Application number: CN202010144238.7A
Authority: CN
Inventors: 贺军; 褚晓忠
Original assignee: Nanjing Ruiyi Electronic Technology Co Ltd
Current assignee: Rushan Shangbang New Material Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2021-01-08
Anticipated expiration: 2039-07-29
Also published as: CN110323040A; WO2021017534A1; CN111128524A; CN110323040B

Abstract

The invention discloses a silica gel drying device of a maintenance-free moisture absorber of a transformer, which comprises a silica gel tank body and an equipment body, wherein a partition board is transversely arranged at the middle part in the equipment body and divides the inside of the equipment body into a storage bin and a drying chamber, the bottom of the storage bin close to one side of the silica gel tank body is connected with a blanking port of the silica gel tank body through a discharge tube I, a hollow plate is transversely arranged at the lower part in the drying chamber, the hollow plate is communicated with the silica gel tank body through a feed channel close to one side of the silica gel tank body, a heating plate is arranged below the hollow plate, a plurality of fan heaters are arranged below the heating plate and at the bottom in the drying chamber, a stirring device is arranged at the center above the hollow plate and comprises a fixing plate II, and the fixing plate II is fixed at the upper part in the drying chamber, the drying uniformity is increased, the using effect is improved, and the influence on the transformer is avoided.

Description

Transformer maintenance-free moisture absorber silica gel drying device

This patent is the divisional application, and the information of former application is as follows, the name: the utility model provides a transformer non-maintaining desiccator silica gel drying device, application number: 2019106916387, filing date: 2019.7.29.

Technical Field

The invention relates to the technical field of power transformers, in particular to a maintenance-free moisture absorber silica gel drying device for a transformer.

Background

The transformer is the very important electrical equipment in the power system, and if the moisture absorber that the oil conservator connects is incomplete to the moisture filtering in the air, very easily causes the accumulation of oil conservator capsule moisture, can take place serious equipment trouble when the oil conservator capsule takes place the oil impregnate. The transformer is one of important factors for determining whether the power system can safely supply power; the transformer breather is a key component for determining the performance of the transformer, the quality of the performance of the transformer breather directly influences the technical performance of the transformer, and because the transformer breather is always in work, the phenomenon of silica gel moisture absorption saturation or silica gel failure can inevitably occur under long-term use.

At present, for a transformer, replacing silica gel of a moisture absorber is a regular maintenance work, visual inspection is carried out on a desiccant at certain intervals, and a failed desiccant is frequently replaced, the cost of the work is considerable, if the replaced waste is not properly treated, environmental pollution is further caused, most of the work is directly carried out in a silica gel tank, water vapor existing in the drying and heating process of the silica gel enters the transformer to bring hidden troubles to the transformer, according to the drying device described in the Chinese granted patent CN206271512U, silica gel desiccant is replaced by externally-connected drying equipment, when the recovered silica gel desiccant is dried, the silica gel desiccant accumulated in the silica gel desiccant generates uneven drying, so that moisture still exists in some silica gel desiccant, and when the silica gel desiccant is conveyed into the silica gel tank to run, still can bring the hidden danger to the transformer.

Disclosure of Invention

The purpose of the invention is as follows: the silica gel drying device of the maintenance-free moisture absorber of the transformer is provided to solve the problems in the prior art.

The technical scheme is as follows:

a silica gel drying device of a maintenance-free moisture absorber of a transformer comprises a silica gel tank body and an equipment body, wherein a partition board is transversely arranged at the middle part in the equipment body and divides the inside of the equipment body into a storage bin and a drying chamber through the partition board, the storage bin is close to one side of the bottom of the silica gel tank body and is connected with a blanking port of the silica gel tank body through a first discharge pipe, a hollow plate is transversely arranged at the lower part in the drying chamber and is close to one side of the silica gel tank body and is communicated with the silica gel tank body through a feed channel, a heating plate is arranged below the hollow plate, a plurality of fan heaters are arranged at the bottom in the drying chamber below the heating plate, a stirring device is arranged at the center of the upper part of the hollow plate and comprises a second fixing plate which is fixed at the upper part in the drying chamber, a group of second support plates and a group of third support plates are respectively arranged on two sides of the fixed plate, wherein the second support plates are fixed on the upper parts of the two sides of the fixed plate, the third support plates are fixed on the bottoms of the two sides of the fixed plate, an output shaft is inserted into the bottom of the third support plates, the output end of the output shaft is connected with a second motor, the second motor is respectively arranged at the corresponding end part of the bottom of the second fixed plate, the other end of the output shaft is provided with a fourth movable rod, one end of the fourth movable rod, far away from the output shaft, is movably connected with a second movable rod, one end of the second movable rod, far away from the fourth movable rod, is movably connected with a first movable rod, one end of the first movable rod, far away from the second movable rod is movably connected with the bottoms of the two sides of the support plates, the horizontal rod is transversely arranged between the bottoms of the first two side support plates, the bottom of the horizontal rod is provided with a plurality of supporting rods, the equipment body is far away from one side of the feeding channel and is located at the side end of the hollow plate, a second discharging pipe is arranged at the other end of the second discharging pipe, a recovery bin is arranged at the other end of the hollow plate, a pneumatic logistics transmission device is arranged in the recovery bin, a feeding hole and a discharging hole are respectively formed in the two ends of the pneumatic logistics transmission device, the feeding hole is located in the recovery bin, and the discharging hole penetrates through the storage bin and extends to one side of.

In a further embodiment, the bottom in the silica gel tank body is provided with an inclined plate inclined to the feeding channel, wherein the bottom of the feeding channel is arranged to be inclined to the equipment body, so that the silica gel drying agent in the silica gel tank body can flow into the hollow plate through the inclined plate, and the drying agent can be automatically replaced conveniently.

In a further embodiment, feedstock channel discharging pipe one and all install the valve on the discharging pipe two, just the storage bin is higher than the silica gel jar body can be convenient for close feedstock channel and discharging pipe one and discharging pipe two when the industry, is convenient for carry on every cavity completely cut off, and is higher than silica gel jar body upper portion with the storage bin setting, and the convenience is discharged into inside the silica gel jar body to the material of storage bin inside.

In further embodiment, the controller is installed to upper portion just is located in the drying chamber baffle bottom one end, the opposite side just is located in the drying chamber two top one sides of discharging pipe install moisture detector, can be convenient for carry out automated inspection to the silica gel drier, and the controller is connected with the valve, is convenient for drive the closed condition of valve.

In a further embodiment, the first fixing plates are welded at the two ends of the top of the equipment body, the protruding plates are arranged on the two sides between the first fixing plates at the two ends, and the sliding plates in sliding fit with the protruding plates are arranged between the tops of the protruding plates, so that the stability of the sliding plates can be improved.

In a further embodiment, a hydraulic air rod is arranged in the middle of the side edge of the sliding plate, a hydraulic air cylinder matched with the hydraulic air rod is arranged on the hydraulic air rod, and one end, far away from the hydraulic air rod, of the hydraulic air cylinder is fixedly connected with the middle of one side end of the fixing plate through a mounting piece, so that the sliding plate can be driven to move left and right on the convex plate.

In a further embodiment, the middle part of slide alternates and is equipped with the cylinder, the bottom of cylinder is equipped with three, three run through in equipment body top extends to upper portion in the storage bin, the bottom of cylinder three is equipped with cylinder one, the bottom of cylinder one is equipped with the rotary disk, the rotary disk side is equipped with a plurality of flabellum, can conveniently carry out secondary stoving to the inside material of storage bin, and is convenient for improve the homogeneity of stoving through the mode of removing about.

In a further embodiment, the third cylinder and the second cylinder are arranged between the first cylinders, the two ends of the second cylinder are respectively provided with a limiting block, the limiting blocks at the two ends are located between the limiting blocks at the two ends, the coil is sleeved on the outer surface of the second cylinder, the drying effect can be increased, the temperature inside the storage bin is increased, and the phenomenon of material moisture regain is avoided.

In a further embodiment, a heating pipe is arranged in the first cylinder, the heating pipe penetrates through the first cylinder and extends to the inside of the first cylinder, a first motor is arranged at the bottom in the cylinder body, and the output end of the first motor is connected with the end part of the third cylinder through a shaft rod, so that the third cylinder and the following parts can be conveniently driven to rotate, and the fan blades can be driven to rotate the inside of the material storage bin.

In a further embodiment, the bottom of the rotating disc is provided with a plurality of through holes, the center of the top of the equipment body is provided with a hollowed-out notch matched with the three phases of the cylinder, and the opening width of the notch is smaller than the diameter of the cross section of the cylinder, so that the sliding plate can move on the convex plate conveniently.

Has the advantages that: the silica gel drier is convenient to be collected independently, and the drying is carried out after the collection by effective stirring, so that the drying uniformity is increased, incomplete drying of some accumulated drying agents is avoided, the use effect is influenced, and the influence on the transformer is caused.

Drawings

FIG. 1 is a schematic diagram of an overall architecture according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a stirring device in a drying chamber according to an embodiment of the invention;

FIG. 3 is a schematic diagram of an exemplary embodiment of a device for moving an end of a fixing plate;

fig. 4 is a top plan view of an apparatus body according to an embodiment of the present invention.

In the figure:

1. a silica gel tank body; 2. an apparatus body; 3. a partition plate; 4. a storage bin; 5. a drying chamber; 6. a first discharge pipe; 7. a hollowed-out plate; 8. a feed channel; 9. heating plates; 10. a warm air blower; 11. a second fixing plate; 12. a support plate II; 13. a support plate III; 14. a second motor; 15. a movable rod IV; 16. a second movable rod; 17. a first movable rod; 18. a third movable rod; 19. a first support plate; 20. a cross bar; 21. a strut; 22. a discharge pipe II; 23. a recovery bin; 24. a pneumatic logistics transport device; 25. a feed inlet; 26. a discharge port; 27. an inclined plate; 28. a controller; 29. a moisture detector; 30. a first fixing plate; 31. a convex plate; 32. a slide plate; 33. a hydraulic gas lever; 34. a hydraulic cylinder; 35. a mounting member; 36. a cylinder; 37. a cylinder III; 38. a first cylinder; 39. rotating the disc; 40. a fan blade; 41. a cylinder II; 42. a limiting block; 43. a coil; 44. heating a tube; 45. a first motor; 46. a notch.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

In the first embodiment, as shown in fig. 1-2, a silica gel drying device of a maintenance-free moisture absorber for a transformer according to an embodiment of the present invention includes a silica gel tank body 1 and an apparatus body 2, a partition 3 traverses through the middle portion of the apparatus body 2, the partition 3 divides the inside of the apparatus body 2 into a storage bin 4 and a drying chamber 5, wherein the bottom of the storage bin 4 near one side of the silica gel tank body 1 is connected to a material dropping port of the silica gel tank body 1 through a material discharging pipe 6, a hollow plate 7 traverses through the lower portion of the drying chamber 5, the hollow plate 7 is connected to the silica gel tank body 1 through a material feeding channel 8 near one side of the silica gel tank body 1, a heating plate 9 is provided below the hollow plate 7, a plurality of fan heaters 10 are installed below the heating plate 9 and at the bottom of the drying chamber 5, and a stirring device is provided at the center above the hollow plate 7, the stirring device comprises a second fixed plate 11, the second fixed plate 11 is fixed at the upper part in the drying chamber 5, two sides of the side edge of the second fixed plate 11 are respectively provided with a second support plate 12 and a third support plate 13, wherein the second support plate 12 is fixed at the upper part of the side edge of the second fixed plate 11 through screws, the third support plate 13 is fixed at the bottom of the side edge of the second fixed plate 11 through screws, an output shaft is inserted into the bottom of the third support plate 13, the output end of the output shaft is connected with a second motor 14, the second motor 14 is installed at the corresponding end part of the bottom of the second fixed plate 11, the other end of the output shaft is provided with a fourth movable rod 15, one end of the fourth movable rod 15, which is far away from the output shaft, is movably connected with a second movable rod 16, one end of the second movable rod 16, which is far away from the fourth movable rod 15, is movably connected with a first movable rod, wherein, 16 bottom centers on the two movable rods are equipped with three movable rods 18, the bottom of three movable rods 18 is fixed with extension board 19, crosses between the bottom of two sides extension board 19 and is equipped with horizontal pole 20, the bottom of horizontal pole 20 is equipped with a plurality of branch 21, equipment body 2 just keeps away from one side of feedstock channel 8 just is located 7 side departments of fretwork are equipped with two discharging pipes 22, the two discharging pipes 22 other ends are equipped with retrieves storehouse 23, it is equipped with pneumatic commodity circulation transmission device 24 in the storehouse 23 to retrieve, the both ends of pneumatic commodity circulation transmission device 24 are equipped with feed inlet 25 and discharge gate 26 respectively, feed inlet 25 is located retrieve in the storehouse 23, discharge gate 26 run through in stock storehouse 4 extends to upper portion one side in the stock storehouse 4.

Embodiment two, as shown in fig. 1, the bottom is equipped with to the hang plate 27 that feedstock channel 8 inclines in the silica gel tank body 1, wherein, feedstock channel 8's bottom sets up to the inclined plane of the slope of equipment body 2, all install the valve on feedstock channel 8, discharging pipe 6 and discharging pipe two 22, just storage storehouse 4 is higher than silica gel tank body 1, upper portion just is located in drying chamber 5 the controller 28 is installed to baffle 3 bottom one end, opposite side just is located discharging pipe two 22 top one side in drying chamber 5 installs moisture detector 29, after opening the valve, the inside drier of silica gel tank body 1 flows into feedstock channel 8 under the inclination angle of hang plate 27 in, simultaneously by the inclined plane effect of feedstock channel 8 bottom with the drier discharge on fretwork board 7, then through the operation of driving motor two 14, let the one end of motor two 14 drive movable rod four 15 rotatory, make the movable rod four 15 other ends pull movable rod three 18 activities, and movable rod three 18 is under the mutual spacing between movable rod one 17 and extension board two 12, it rocks about pulling horizontal pole 20, make and carry out effectual stirring to the drier on the fretwork board 7, make the heat that hot plate 9 produced carry out effectual stoving to the drier on the fretwork board 7 under the blowing of a plurality of electric fan heater 10, discharge in retrieving storehouse 23 through discharging pipe two 22 after the stoving. The material is then conveyed into the storage bin 4 by the pneumatic material flow conveying device 24 and then discharged again into the interior of the silica gel tank body 1 through the discharge pipe one 6.

In a third embodiment, as shown in fig. 3-4, fixing plates 30 are welded at both ends of the top of the device body 2, protruding plates 31 are arranged at both sides between the fixing plates 30 at both ends, a sliding plate 32 in sliding fit with the protruding plates 31 is arranged between the tops of the protruding plates 31, a hydraulic air rod 33 is arranged in the middle of the side edge of the sliding plate 32, a hydraulic cylinder 34 matched with the hydraulic air rod 33 is arranged on the hydraulic air rod 33, one end of the hydraulic cylinder 34, which is far away from the hydraulic air rod 33, is fixedly connected with the middle of the side end of the fixing plate 30 through a mounting member 35, a cylinder 36 is inserted into the middle of the sliding plate 32, a cylinder three 37 is arranged at the bottom of the cylinder 36, the cylinder three 37 penetrates through the top of the device body 2 and extends to the upper portion inside the storage bin 4, a cylinder one 38 is arranged at the bottom of the cylinder three 37, and a, the side edge of the rotating disc 39 is provided with a plurality of fan blades 40, a cylinder II 41 is arranged between the cylinder III 37 and the cylinder I38, two ends of the cylinder II 41 are respectively provided with a limiting block 42, wherein a coil 43 is sleeved on the outer surface of the cylinder II 41 between the limiting blocks 42 at the two ends, a heating pipe 44 is arranged in the cylinder I38, the heating pipe 44 penetrates through the cylinder I38 and extends into the cylinder I38, a motor I45 is arranged at the bottom in the cylinder 36, the output end of the motor I45 is connected with the end part of the cylinder III 37 through a shaft rod, the bottom of the rotating disc 39 is provided with a plurality of through holes, the center of the top of the equipment body 2 is provided with a hollow notch 46 matched with the cylinder III 37, the opening width of the notch 46 is smaller than the cross section diameter of the cylinder 36, and after the primarily dried material is conveyed by the pneumatic logistics conveying device 24 to the storage bin 4, the first driving motor 45 is operated, the first motor 45 drives the third cylinder 37 to rotate, the plurality of cylinders drive the rotating disc 39 to rotate, the rotating disc 39 drives the fan blades 40 to rotate, heat emitted by the heating pipe 44 inside the first cylinder 38 is emitted through the through holes, materials inside the material storage bin 4 are dried under the rotation of the fan blades 40, meanwhile, the coil 43 heats the whole material storage bin 4 under the heat of the heating pipe 44, the sliding plate 32 can drive the fan blades 40 to move left and right in the heat dissipation process, and secondary drying is conveniently carried out on the materials falling down in each corner inside the material storage bin 4.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the controller controls the valves, and each valve is separately arranged, when the valve is opened, the desiccant in the silica gel tank body 1 flows into the feeding channel 8 at the inclination angle of the inclined plate 27, and is discharged onto the hollow plate 7 under the action of the inclined surface at the bottom of the feeding channel 8, and then the second driving motor 14 operates to drive the second driving motor 14 to rotate one end of the fourth driving rod 15, so that the other end of the fourth driving rod 15 pulls the third driving rod 18 to move, the third driving rod 18 pulls the transverse rod 20 to swing up and down under the mutual limit between the first driving rod 17 and the second supporting plate 12, so that the desiccant on the hollow plate 7 is effectively stirred, the heat generated by the heating plate 9 effectively dries the desiccant on the hollow plate 7 under the blowing of the plurality of warm air blowers 10, and at the moment, the warm air blower detects the desiccant by the humidity detector 29, carry the recovery storehouse 23 through discharging pipe two 22 after up to standard, then carry the material in the storage bin 4 through pneumatic commodity circulation transmission device 24, then, driving motor 45 moves, let motor 45 drive drum three 37 rotatory, let a plurality of drum drive rotary disk 39 rotatory, make rotary disk 39 drive flabellum 40 and rotate, and the heat that the inside heating pipe 44 of drum 38 distributed out distributes out through the through-hole, and dry the inside material of storage bin 4 under the rotation of flabellum 40, coil 43 gives whole storage bin 4 internal heating under the heat of heating pipe 44 simultaneously, slide 32 can drive flabellum 40 and can remove about radiating simultaneously, conveniently carry out secondary to the material that falls down in every corner of storage bin 4 inside and dry, discharge inside silica gel tank body 1 again through discharging pipe 6 at last, accomplish the change.

The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The utility model provides a transformer non-maintaining moisture absorber silica gel drying device, its characterized in that, includes silica gel jar body (1) and equipment body (2), the middle part crosses and is equipped with baffle (3) in equipment body (2), baffle (3) will equipment body (2) inside is split into storage bin (4) and drying chamber (5), wherein, storage bin (4) just are close to silica gel jar body (1) one side bottom through discharging pipe (6) with silica gel jar body (1) blanking mouth department is connected, the lower part crosses and is equipped with fretwork board (7) in drying chamber (5), fretwork board (7) just are close to silica gel jar body (1) one side through feed channel (8) with silica gel jar body (1) through connection, the below of fretwork board (7) is equipped with hot plate (9), the below of hot plate (9) just is located the drying chamber (5) bottom installs a plurality of electric fan heater (10), a stirring device is arranged at the center above the hollow plate (7), the stirring device comprises a second fixed plate (11), the second fixed plate (11) is fixed at the inner upper part of the drying chamber (5), a second support plate (12) and a third support plate (13) are respectively arranged on two sides of the side edge of the second fixed plate (11), wherein the second support plate (12) is fixed at the upper part of the side edge of the second fixed plate (11) through screws, the third support plate (13) is fixed at the bottom of the side edge of the second fixed plate (11) through screws, an output shaft is inserted into the bottom of the third support plate (13), the output end of the output shaft is connected with a second motor (14), the second motor (14) is respectively arranged at the corresponding end part of the bottom of the second fixed plate (11), the other end of the output shaft is provided with a fourth movable rod (15), and one end of the fourth movable rod (15) far, one end of the second movable rod (16) far away from the fourth movable rod (15) is movably connected with a first movable rod (17), one end of the first movable rod (17) far away from the second movable rod (16) is movably connected with the bottoms of the side edges of the second support plates (12) through a movable bolt, a third movable rod (18) is arranged at the center of the bottom of the second movable rod (16), a first support plate (19) is fixed at the bottom of the third movable rod (18), a cross rod (20) is transversely arranged between the bottoms of the first support plates (19) in the two groups of stirring devices, a plurality of support rods (21) are arranged at the bottom of the cross rod (20), a second discharge pipe (22) is arranged at one side of the equipment body (2) far away from the feeding channel (8) and at the side end of the hollow plate (7), a recovery bin (23) is arranged at the other end of the second discharge pipe (22), and a pneumatic logistics transmission device (24) is arranged in the, a feeding hole (25) and a discharging hole (26) are respectively formed in two ends of the pneumatic material flow transmission device (24), the feeding hole (25) is located in the recovery bin (23), and the discharging hole (26) penetrates through the storage bin (4) and extends to one side of the upper portion in the storage bin (4);

an inclined plate (27) inclined towards the feeding channel (8) is arranged at the bottom in the silica gel tank body (1), wherein the bottom of the feeding channel (8) is provided with an inclined surface inclined towards the equipment body (2);

valves are arranged on the feeding channel (8), the discharging pipe I (6) and the discharging pipe II (22), and the storage bin (4) is higher than the silica gel tank body (1);

upper portion just is located in drying chamber (5) baffle (3) bottom one end installs controller (28), opposite side just is located in drying chamber (5) discharging pipe two (22) top one side installs moisture detector (29).

2. The transformer maintenance-free moisture absorber silica gel drying device of claim 1, wherein: fixing plates (30) are welded at two ends of the top of the equipment body (2), convex plates (31) are arranged at two sides between the fixing plates (30) at the two ends, and sliding plates (32) in sliding fit with the convex plates (31) are arranged between the tops of the convex plates (31);

a hydraulic air rod (33) is arranged in the middle of the side edge of the sliding plate (32), a hydraulic air cylinder (34) matched with the hydraulic air rod (33) is arranged on the hydraulic air rod (33), and one end, far away from the hydraulic air rod (33), of the hydraulic air cylinder (34) is fixedly connected with the middle of the side end of the first fixing plate (30) through a mounting piece (35);

a cylinder (36) is inserted into the middle of the sliding plate (32), a cylinder III (37) is arranged at the bottom of the cylinder (36), the cylinder III (37) penetrates through the top of the equipment body (2) and extends to the upper part of the storage bin (4), a cylinder I (38) is arranged at the bottom of the cylinder III (37), a rotating disc (39) is arranged at the bottom of the cylinder I (38), and a plurality of fan blades (40) are arranged on the side edge of the rotating disc (39);

a second cylinder (41) is arranged between the third cylinder (37) and the first cylinder (38), two ends of the second cylinder (41) are respectively provided with a limiting block (42), and a coil (43) is sleeved between the limiting blocks (42) at the two ends and on the outer surface of the second cylinder (41);

a heating pipe (44) is arranged in the first cylinder (38), the heating pipe (44) penetrates through the first cylinder (38) and extends to the interior of the first cylinder (38), a first motor (45) is installed at the bottom in the column body (36), and the output end of the first motor (45) is connected with the end part of the third cylinder (37) through a shaft rod;

the bottom of the rotating disc (39) is provided with a plurality of through holes, the center of the top of the equipment body (2) is provided with a hollowed notch (46) matched with the cylinder III (37), and the opening width of the notch (46) is smaller than the diameter of the cross section of the cylinder (36).