CN212033895U

CN212033895U - Motor with cooling device for blast furnace blower

Info

Publication number: CN212033895U
Application number: CN202021035170.0U
Authority: CN
Inventors: 任立新
Original assignee: Hebei Xinda Iron and Steel Group Co Ltd
Current assignee: Hebei Xinda Iron and Steel Group Co Ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-11-27
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a blast furnace blower is with motor of taking cooling device, be in including bearing, fixed setting motor body, water tank and the water pump that just leads to condenser tube way interconnect on the bearing, motor body includes motor housing, front end housing, rear end cap and motor shaft, the motor housing internal fixation is provided with motor stator, be provided with electric rotor in the motor stator, electric rotor is fixed to be set up on the motor shaft, all be provided with dustproof mechanism on front end housing and the rear end cap, be provided with radiator fan on the rear end cap, the last cooling coil that is provided with of motor stator. The utility model discloses be provided with two kinds of heat dissipation forms of fan cooling and cooling water heat dissipation simultaneously, can select the radiating mode according to actual need, avoid the energy extravagant, be provided with dustproof mechanism on front end housing and the rear end cap, can avoid the dust to get into inside the motor when the motor is out of work to can avoid the dust to pile up and influence the radiating effect.

Description

Motor with cooling device for blast furnace blower

Technical Field

The utility model relates to the technical field of motors, in particular to a motor with a cooling device for a blast furnace blower.

Background

The blast furnace blower is an important key device for blast furnace iron making, and can directly supply air to the blast furnace, the blower can be used for conveying the filtered air into the blast furnace through pipeline, and can be used for regulating the blower and air pressure according to the change of blast furnace top pressure so as to meet the requirements of blast furnace smelting, the air intake of the blast furnace blower is regulated by the blade rotating speed of the blower, and the rotation of the blower blade is driven by motor, and when the blower is rotated at high speed, the motor load is large, and the interior of the blower can also produce loss when the motor is operated, and the lost energy can be finally converted into heat energy to cause the motor to generate heat, so that the temperature of every portion of the motor is raised, and this can directly affect the service life of insulating material used by the motor, and can limit the output of the motor, and even can. It is therefore important to improve the cooling conditions of the motor so that heat can be dissipated as quickly as possible. Ordinary motor during operation drives radiator fan through the motor shaft and dispels the heat, and some in addition require higher motor to dispel the heat and adopt the water-cooled mode to cool off, for example blast furnace blower motor, cold rolling, hot rolling adopt the motor of water-cooled cooler, need set up a lot of vents through radiator fan radiating motor, and steel mill environment is comparatively abominable, and the dust that gets into from the vent is piled up and can reduce the radiating efficiency in motor inside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blast furnace blower is with motor of taking cooling device to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a motor with a cooling device for a blast furnace blower comprises a supporting seat and a motor body fixedly arranged on the supporting seat, wherein the motor body comprises a motor shell, a front end cover, a rear end cover, a front dustproof mechanism and a rear dustproof mechanism, the front end cover and the rear end cover are fixedly arranged at two ends of the motor shell, a first bearing is fixedly arranged on the front end cover, a second bearing is fixedly arranged on the rear end surface of the motor shell through a mounting plate, a motor shaft is arranged on the first bearing and the second bearing, one end of the motor shaft penetrates through the first bearing and is arranged on the outer side of the front end cover, the other end penetrates through the second bearing and is arranged in the rear end cover, a motor stator is fixedly arranged in the motor shell, a motor rotor is arranged in the motor stator, the motor rotor is fixedly arranged on the motor shaft, 2 dustproof mechanisms are respectively arranged, the dustproof mechanisms comprise a first dustproof plate and a second dustproof plate, the first dustproof plates of the 2 dustproof mechanisms are respectively and fixedly arranged on the front end cover and the rear end cover, an annular chute is formed in the first dustproof plate, an annular boss matched with the annular chute is formed in the second dustproof plate, and the second dustproof plate is arranged on the first dustproof plate in a sliding mode through the annular boss; the rear end cover is coaxially provided with a cooling fan, and the cooling fan is fixedly arranged on the rear end cover through a fan motor.

Furthermore, the supporting seat is further provided with a cooling mechanism, the cooling mechanism comprises a water tank arranged on the supporting seat and a cooling coil arranged on the motor stator, the cooling coil is provided with a water inlet and a water outlet, the water inlet is communicated with the water tank through a water inlet pipeline, the water outlet is communicated with the water tank through a water outlet pipeline, and the water inlet pipeline is provided with a water pump.

Further, motor stator's outer wall is provided with a plurality of recesses, the recess runs through along the axis direction motor electron, and is a plurality of the recess is along circumference evenly distributed, cooling coil including set up in heat dissipation straight tube in the recess to and the heat dissipation connecting pipe of connecting adjacent heat dissipation straight tube, heat dissipation connecting pipe set up in turn in motor stator's both ends around.

Furthermore, a plurality of second radiating fins which are arranged in parallel are arranged on the outer wall of the water tank.

Further, a water filling port and a release valve are arranged above the water tank.

Furthermore, six fan-shaped openings are equally arranged on the first dust guard plate and the second dust guard plate along the central axis, and the angle of the central angle of each fan-shaped opening is 30 degrees.

Furthermore, still be provided with the pull rod on the second dust guard, be provided with the sliding tray on front end housing and the rear end cap respectively, the pull rod is in slide in the sliding tray, two the pull rod all passes through the bolt fastening corresponding on front end housing and the rear end cap, two the pull rod passes through the horizontal pole and connects, be provided with smooth through-hole on the pull rod, be in on front end housing and the rear end cap sliding tray one side is provided with two screw holes, the bolt passes smooth through-hole and corresponding screw hole cooperation.

Furthermore, the front end cover and the rear end cover are both provided with ventilation openings.

Furthermore, a plurality of first radiating fins arranged along the axis of the motor shell are arranged on the motor shell.

Furthermore, the supporting seat is provided with a mounting hole.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model discloses be provided with two kinds of heat dissipation forms of fan cooling and cooling water heat dissipation simultaneously, two kinds of heat dissipation mechanisms mutual independence can select the radiating mode according to actual need. When the air inlet volume of the blast furnace blower is small, the load of the motor is low, and the heat productivity is low, the heat dissipation requirement can be met only by starting one of the heat dissipation fan or the cooling water pump, and energy waste is avoided; when the blast furnace blower is large in air inlet volume, large in motor load and high in heat productivity, the cooling fan and the cooling water pump can be simultaneously started, the two cooling mechanisms run simultaneously, the cooling fan can improve the cooling effect of the motor stator cooling coil pipe simultaneously, the two cooling mechanisms are mutually overlapped, and the cooling effect is better.

The utility model discloses a fan motor who sets up in the rear end cap drives radiator fan rotatory, compares with the rotatory structure of adopting the motor shaft direct drive radiator fan, has reduced the load of motor itself to the heating of motor has been reduced.

The utility model discloses a dust prevention mechanism who sets up at front end housing and rear end cap can avoid the dust to get into inside the motor when the motor stops the operation to can avoid the dust to pile up and influence the radiating effect, can adapt to steel mill's adverse circumstances.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a perspective view of an alternative embodiment of the present invention;

FIG. 5 is a diagram illustrating the connection between the stator and the cooling coil according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a dustproof mechanism according to an embodiment of the present invention.

In the figure: 1. a supporting seat; 2. a heat dissipation connecting pipe; 3. a water tank; 4. a water pump; 5. a motor housing; 6. a front end cover; 7. a rear end cap; 8. a first circumferential bearing; 9. mounting a plate; 10. a second bearing; 11. a motor shaft; 12. a motor stator; 13. a motor rotor; 14. a first dust-proof plate; 15. a second dust-proof plate; 16. an annular chute; 17. an annular boss; 18. a heat radiation fan; 19. a fan motor; 20. a groove; 21. a heat dissipation straight pipe; 22. a water inlet pipe; 23. a water outlet pipeline; 24. a fan-shaped opening; 25. a pull rod; 26. a sliding groove; 27. a cross bar; 28. a vent; 29. a first heat radiation fin; 31. mounting holes; 33. a second heat radiation fin; 34. a water filling port; 35. a deflation valve; 36. and (4) bolts.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-6, an embodiment of a motor with a cooling device for a blast furnace blower according to the present invention comprises a supporting seat 1, and a motor body fixedly disposed on the supporting seat 1, wherein the motor body comprises a motor housing 5, a front end cover, a rear end cover, 2 end covers, and a front dustproof mechanism, 2 rear dustproof mechanisms, fixedly disposed at two ends of the motor housing 5, a first bearing 8 is fixedly disposed on the front end cover 6, a second bearing 10 is fixedly disposed on a rear end surface of the motor housing 5 through a mounting plate 9, a motor shaft 11 is disposed on the first bearing 8 and the second bearing 10, one end of the motor shaft 11 passes through the first bearing 8 and is disposed outside the front end cover 6, the other end passes through the second bearing 10 and is disposed inside the rear end cover 7, a motor stator 12 is fixedly disposed inside the motor housing 5, and a motor rotor 13 is disposed inside the motor, the motor rotor 13 is fixedly arranged on the motor shaft 11, 2 dustproof mechanisms are respectively arranged on the front end cover 6 and the rear end cover 7, each dustproof mechanism comprises a first dustproof plate 14 and a second dustproof plate 15, the first dustproof plates 14 of the 2 dustproof mechanisms are respectively fixedly arranged on the front end cover 6 and the rear end cover 7, an annular sliding groove 16 is formed in each first dustproof plate 14, each second dustproof plate 15 is provided with an annular boss 17 matched with the annular sliding groove 16, and each second dustproof plate 15 is slidably arranged on the corresponding first dustproof plate 14 through the corresponding annular boss 17; the rear end cover 7 is coaxially provided with a heat radiation fan 18, and the heat radiation fan 18 is fixedly arranged on the rear end cover 7 through a fan motor 19.

Further, a cooling mechanism is further arranged on the supporting seat 1, the cooling mechanism comprises a water tank 3 arranged on the supporting seat 1 and a cooling coil arranged on the motor stator 12, a water inlet and a water outlet are formed in the cooling coil, the water inlet is communicated with the water tank 3 through a water inlet pipeline 22, the water outlet is communicated with the water tank 3 through a water outlet pipeline 23, and a water pump 4 is arranged on the water inlet pipeline 22.

Further, the outer wall of motor stator 12 is provided with a plurality of recesses 20, recess 20 runs through along the axis direction motor electron 12, and is a plurality of recess 20 is along circumference evenly distributed, cooling coil including set up in heat dissipation straight tube 21 in the recess 20 to and connect adjacent heat dissipation straight tube 21's heat dissipation connecting pipe 2, heat dissipation connecting pipe 2 set up in turn in both ends around motor stator 12.

Further, be provided with a plurality of second radiating fin 33 that are parallel to each other on the water tank 3 outer wall, can increase the heat dissipation of water tank 3 through setting up second radiating fin 33, help the cooling of the inside water of water tank 3.

Further, a water filling port 34 and a gas release valve 35 are arranged above the water tank 3, the water filling port 34 is used for water filling, the gas release valve 35 is used for gas release, and the device is prevented from being damaged due to overlarge internal pressure caused by gas expansion after water is heated.

The utility model discloses be provided with two kinds of heat dissipation forms of fan cooling and cooling water heat dissipation simultaneously, two kinds of heat dissipation mechanisms mutual independence can select the radiating mode according to actual need. When the blast furnace blower has small air inlet volume and low blade rotating speed, the load of the motor is low, the heat productivity is low, the heat dissipation requirement can be met only by opening one of the heat dissipation fan 18 or the water pump 4, and energy waste can not be caused; when the blast furnace blower is large in air inlet volume, high in blade rotating speed, large in motor load and high in heat productivity, the cooling fan 18 and the water pump 4 can be simultaneously started, the two cooling mechanisms run simultaneously, the groove 20 penetrates through the whole motor stator 12, air blown out by the cooling fan 18 passes through the groove 20 formed in the motor stator 12, the cooling effect of the cooling coil on the motor stator 12 can be improved, the two cooling mechanisms are mutually overlapped, and the cooling effect is better.

The utility model discloses a fan motor 19 that sets up in rear end housing 7 drives radiator fan 18 rotatory, has reduced the load of motor itself to the heating of motor itself has been reduced.

Furthermore, six fan-shaped openings 24 are equally arranged on the first dust-proof plate 14 and the second dust-proof plate 15 along the central axis, and the central angle of each fan-shaped opening 24 is 30 °.

Further, still be provided with pull rod 25 on the second dust guard 15, be provided with sliding tray 26 on front end housing 6 and the rear end cap 7 respectively, pull rod 25 is in slide tray 26 slides, two pull rod 25 all fixes through bolt 36 corresponding on front end housing 6 and the rear end cap 7, two pull rod 25 passes through horizontal pole 27 and connects, be provided with smooth through-hole on the pull rod 25, be in on front end housing 6 and the rear end cap 7 sliding tray 26 one side is provided with two screw holes, bolt 36 passes smooth through-hole and corresponding screw hole cooperation.

The utility model discloses a be provided with six fan-shaped openings 24 along the central axis partition on first dust guard 14 and the second dust guard 15, and fan-shaped opening 24's central angle sets to 30, during the use along sliding tray 26 rotation horizontal pole 27, drive second dust guard 15 and rotate, fan-shaped opening 24 on first dust guard 14 and the second dust guard 15 corresponds or staggers, can reach and open or confined purpose, can realize two dustproof mechanism simultaneous movement through rotating horizontal pole 27, it is more convenient to operate. The front end cover 6 and the rear end cover 7 are respectively provided with two threaded holes for fixing the second dust guard 15 at the opening or closing position, and when the second dust guard 15 reaches the opening or closing position, the bolts 36 penetrate through the pull rod 25 to be matched with the threaded holes arranged on the front end cover 6 or the rear end cover 7, so that the fixing can be realized.

Furthermore, the front end cover 6 and the rear end cover 7 are both provided with ventilation openings 28.

When the heat dissipation fan 18 is needed to dissipate heat, the cross rod 27 can be rotated to rotate the second dust guard 15, so that the fan-shaped openings of the first dust guard 14 and the second dust guard 15 are opposite to each other, and wind generated by rotation of the heat dissipation fan 18 flows out from the ventilation opening 28 of the front end cover 6 through the dust prevention mechanism in the rear end cover 7 and the rear end cover 7, the dust prevention mechanism in the motor housing 5 and the front end cover 6.

When need not adopt radiator fan 18 to dispel the heat, the accessible rotates horizontal pole 27 and makes second dust guard 15 rotatory for fan-shaped opening on first dust guard 14 and the second dust guard 15 staggers each other, constitutes enclosed construction between two dust guards, thereby can avoid the dust to get into inside the motor, has avoided the dust to pile up the influence to the radiating effect, makes the utility model discloses can adapt to the abominable operational environment of steel mill.

Furthermore, the motor housing 5 is provided with a plurality of first heat dissipation fins 29 arranged along the axis of the motor housing 5, so that the surface heat dissipation capability of the motor housing 5 can be improved.

Furthermore, the supporting seat 1 is provided with a mounting hole 31 for mounting a fixing bolt of the supporting seat 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A motor with a cooling device for a blast furnace blower is characterized by comprising a supporting seat (1) and a motor body fixedly arranged on the supporting seat (1), wherein the motor body comprises a motor shell (5), a front end cover, a rear end cover, a front dustproof mechanism and a rear dustproof mechanism, the front end cover and the rear end cover are fixedly arranged at the two ends of the motor shell (5), a first bearing (8) is fixedly arranged on a front end cover (6), a second bearing (10) is fixedly arranged on the rear end surface of the motor shell (5) through a mounting plate (9), a motor shaft (11) is arranged on the first bearing (8) and the second bearing (10), one end of the motor shaft (11) penetrates through the first bearing (8) and is arranged on the outer side of the front end cover (6), the other end of the motor shaft penetrates through the second bearing (10) and is arranged in a rear end cover (7), a motor stator (12) is fixedly arranged, a motor rotor (13) is arranged in the motor stator (12), the motor rotor (13) is fixedly arranged on the motor shaft (11), 2 dustproof mechanisms are respectively arranged on the front end cover (6) and the rear end cover (7), each dustproof mechanism comprises a first dustproof plate (14) and a second dustproof plate (15), the first dustproof plates (14) of the 2 dustproof mechanisms are respectively fixedly arranged on the front end cover (6) and the rear end cover (7), an annular sliding groove (16) is formed in each first dustproof plate (14), each second dustproof plate (15) is provided with an annular boss (17) matched with the annular sliding groove (16), and each second dustproof plate (15) is arranged on the corresponding first dustproof plate (14) in a sliding mode through the corresponding annular boss (17); the rear end cover (7) is coaxially provided with a heat radiation fan (18), and the heat radiation fan (18) is fixedly arranged on the rear end cover (7) through a fan motor (19).

2. The motor with the cooling device for the blast furnace blower is characterized in that the supporting seat (1) is further provided with a cooling mechanism, the cooling mechanism comprises a water tank (3) arranged on the supporting seat (1) and a cooling coil arranged on the motor stator (12), the cooling coil is provided with a water inlet and a water outlet, the water inlet is communicated with the water tank (3) through a water inlet pipeline (22), the water outlet is communicated with the water tank (3) through a water outlet pipeline (23), and the water inlet pipeline (22) is provided with a water pump (4).

3. The motor with the cooling device for the blast furnace blower according to claim 2, wherein a plurality of grooves (20) are formed in the outer wall of the motor stator (12), the grooves (20) penetrate through the motor stator (12) along the axial direction, the grooves (20) are uniformly distributed along the circumference, the cooling coil comprises heat dissipation straight pipes (21) arranged in the grooves (20) and heat dissipation connecting pipes (2) connecting the adjacent heat dissipation straight pipes (21), and the heat dissipation connecting pipes (2) are alternately arranged at the front end and the rear end of the motor stator (12).

4. The motor with a cooling device for a blast furnace blower according to claim 2, wherein a plurality of second heat radiating fins (33) arranged in parallel with each other are provided on the outer wall of said water tank (3).

5. The electric machine with a cooling device for a blast furnace blower according to claim 4, characterized in that a filler (34) and a purge valve (35) are provided above the water tank (3).

6. The motor with a cooling device for a blast furnace blower according to claim 1, wherein six fan-shaped openings (24) are equally provided along a central axis on said first dust-proof plate (14) and said second dust-proof plate (15), and an angle of a central angle of said fan-shaped openings (24) is 30 °.

7. The motor with the cooling device for the blast furnace blower is characterized in that a pull rod (25) is further arranged on the second dust guard (15), sliding grooves (26) are respectively arranged on the front end cover (6) and the rear end cover (7), the pull rod (25) slides in the sliding grooves (26), the two pull rods (25) are fixed on the corresponding front end cover (6) and the corresponding rear end cover (7) through bolts (36), the two pull rods (25) are connected through a cross rod (27), smooth through holes are formed in the pull rod (25), two threaded holes are formed in one side of the sliding grooves (26) on the front end cover (6) and the rear end cover (7), and the bolts (36) penetrate through the smooth through holes to be matched with the corresponding threaded holes.

8. A motor with a cooling device for a blast furnace blower according to claim 7 wherein the front cover (6) and the rear cover (7) are provided with ventilation openings (28).

9. The motor with a cooling device for a blast furnace blower according to claim 1, wherein said motor housing (5) is provided with a plurality of first heat radiating fins (29) arranged along an axis of the motor housing (5).

10. The motor with a cooling device for a blast furnace blower according to claim 1, wherein said support base (1) is provided with a mounting hole (31).