CN218796548U - Spherical graphite dehydration centrifuge using waste heat - Google Patents

Abstract

The application relates to a spherical graphite dehydration centrifugal machine utilizing waste heat, which comprises a shell, wherein one side of the shell, which is far away from the ground, is fixedly connected with a main motor, a cavity in the shell is rotatably connected with a centrifugal cylinder, and an output shaft of the main motor is fixedly connected with the centrifugal cylinder; the heat transfer mechanism is arranged between the main motor and the shell and fixedly connected with a plurality of heat conduction pipes which are fixedly connected with the centrifugal cylinder; the heat conduction cover is fixedly connected to the side wall of the main motor, two ends of the heat conduction cover are opened, one end, far away from an output shaft of the main motor, of the heat conduction cover is fixedly connected with a fan, the heat conduction cover is fixedly connected with an auxiliary motor, an output shaft of the auxiliary motor is fixedly connected with the fan, and the fan can generate acting force from one end, far away from the output shaft of the main motor, to one end, close to the output shaft of the main motor; and the steam pipeline is connected to the heat transfer mechanism and used for conveying high-temperature steam. This application can utilize main motor waste heat, remains a small amount of moisture in spherical graphite hole after dehydrating in the centrifuge and dries.

Description

Spherical graphite dehydration centrifuge using waste heat

Technical Field

The application relates to the field of centrifuges, in particular to a spherical graphite dehydration centrifuge utilizing waste heat.

Background

In the chemical purification of the spherical graphite, the properties of acid resistance, alkali resistance and corrosion resistance of the graphite are utilized, the spherical graphite is treated by acid and alkali, so that impurities are dissolved and then washed, and the concentrate grade is improved. In the related art, the spherical graphite after water washing is usually subjected to dehydration treatment by a centrifuge driven by a main motor to remove water contained in the voids of the spherical graphite.

In view of the above-mentioned related technologies, when the main motor drives the centrifuge to rotate the inner container of the centrifuge, the main motor will generate excessive waste heat to be dissipated into the air, and if the waste heat is not utilized, the energy will be wasted greatly.

SUMMERY OF THE UTILITY MODEL

In order to utilize main motor waste heat, remain a small amount of moisture in the spherical graphite hole after the dehydration in the centrifuge and dry, this application provides an utilize spherical graphite dehydration centrifuge of waste heat.

The application provides an utilize spherical graphite dehydration centrifuge of used heat adopts following technical scheme:

a centrifugal machine for dehydrating spheroidal graphite using waste heat, comprising:

the centrifugal pump comprises a shell, wherein a main motor is fixedly connected to one side, away from the ground, of the shell, a centrifugal cylinder is rotatably connected to the inner cavity of the shell, an output shaft of the main motor is fixedly connected to the centrifugal cylinder, the output shaft of the main motor and the centrifugal cylinder are coaxially arranged, a feed port is formed in one side, away from the ground, of the shell, a discharge port is formed in one side, close to the ground, of the shell and the centrifugal cylinder, and a liquid outlet is formed in the shell;

the heat transfer mechanism is arranged between the main motor and the shell and fixedly connected with a plurality of heat conduction pipes, the heat conduction pipes penetrate through the top of the shell, and the heat conduction pipes are fixedly connected with the centrifugal cylinder;

the heat conduction cover is fixedly connected to the side wall of the main motor, two ends of the heat conduction cover are opened, the heat conduction cover is located at the position, corresponding to the heat transfer mechanism, of the main motor, one end, far away from an output shaft of the main motor, of the heat conduction cover is fixedly connected with a fan, the heat conduction cover is fixedly connected with an auxiliary motor, an output shaft of the auxiliary motor is fixedly connected with the fan, and the fan can generate acting force from one end, far away from the output shaft of the main motor, to one end, close to the output shaft of the main motor;

and the steam pipeline is connected to the heat transfer mechanism and is used for conveying high-temperature steam.

By adopting the technical scheme, the main motor and the auxiliary motor are started simultaneously, the output shaft of the main motor drives the centrifugal cylinder to rotate, the spherical graphite positioned in the inner cavity of the centrifugal cylinder is abutted against the inner side wall of the centrifugal cylinder due to the centrifugal effect, and most of water attached to the spherical graphite flows into a cavity formed by the shell and the centrifugal cylinder together and is discharged from the liquid outlet. The fan is driven by the auxiliary motor, wind current is generated from one end far away from the output shaft of the main motor to one end close to the output shaft of the main motor, the wind current drives heat emitted by the main motor to be transmitted to the heat transfer mechanism through the heat conducting cover, the heat transfer mechanism absorbs heat to heat up, the fan realizes one-way heat transfer of the main motor, and reverse transmission of the heat transmitted by high-temperature steam to the heat transfer mechanism to the main motor is avoided. High-temperature steam is introduced into the steam pipeline, the heat transfer mechanism is heated by the high-temperature steam, and the heat transfer mechanism absorbs heat again to raise the temperature. The heat transfer mechanism transfers heat to the heat conduction pipe, and the heat conduction pipe is fixedly connected to the side wall of the centrifugal cylinder to heat the centrifugal cylinder. This design is through using main motor waste heat and high-temperature steam heating simultaneously to heat transfer mechanism, and heat transfer mechanism dries to the spherical graphite that centrifugal barrel adheres to a small amount of moisture after to the centrifugation with heat transmission, and main motor used heat has obtained effective utilization, when having reduced the energy waste, also can promote spherical graphite's degree of dryness.

Optionally, a heat transfer medium is filled in the cavity of the heat conduction pipe, the heat transfer medium may be water, and a backflow mechanism is disposed on a side wall of the heat conduction pipe, and the backflow mechanism can backflow the heat transfer medium in the heat conduction pipe.

Through adopting above-mentioned technical scheme, if heat-transfer medium is water, it has the characteristic of high specific heat capacity for the heat pipe is in heat transfer process, and calorific loss is less. In addition, the reflux mechanism arranged on the side wall of the heat conduction pipe enables the heat conduction water to circulate, and the heat transfer speed of the heat conduction pipe can be improved.

Optionally, the backflow mechanism rotates to be connected with the heat pipe, the backflow mechanism comprises a propeller and a backflow paddle, the propeller is fixedly connected with the backflow paddle, the propeller can drive the backflow paddle to rotate, the backflow paddle is located in the inner cavity of the heat pipe, and the propeller is located outside the heat pipe.

By adopting the technical scheme, when the main motor rotates, the main motor drives the heat conduction pipe and the centrifugal cylinder to rotate together, the propeller is pushed by wind current to rotate in the process that the propeller rotates along with the heat conduction pipe, the propeller simultaneously drives the reflux propeller to rotate, and the reflux propeller can drive the heat transfer medium in the inner cavity of the flow guide pipe to circulate. The design utilizes the backflow paddle to realize the circulation of heat transfer media, utilizes the wind current in the rotating process of the propeller to realize the rotation of the backflow paddle, and can also effectively save energy.

Optionally, the inner side wall of the heat conduction cover is fixedly connected with a plurality of heat conduction fins, the heat conduction fins are arranged along the circumference of the axis of the heat conduction cover in an array mode, and the heat conduction fins penetrate through the height direction of the heat conduction cover.

Through adopting above-mentioned technical scheme, when the fan carried hot-blastly in the heat conduction cover, the conducting strip also can fully contact with hot-blastly, promotes hot-blastly heat transfer efficiency, further promotes the conduction efficiency of main motor used heat.

Optionally, a plurality of cooling fins are fixedly connected to the side wall of the heat conduction pipe, the cooling fins are arranged along the length direction of the heat conduction pipe, and the cooling fins are arranged around the side wall of the centrifugal cylinder.

By adopting the technical scheme, when the heated heat transfer medium flows in the process of the heat conduction pipe, the heat of the heat conduction pipe is simultaneously transferred to the side wall of the centrifugal cylinder and the radiating fins, the radiating fins arranged around the side wall of the centrifugal cylinder can uniformly heat the side wall of the centrifugal cylinder, and spherical graphite in the centrifugal cylinder is uniformly dried.

Optionally, the distance between adjacent heat dissipation fins gradually decreases from the side close to the main motor to the side far away from the main motor.

Through adopting above-mentioned technical scheme, heat-transfer medium keeps away from ground position department by the heat pipe and flows to the in-process that the heat pipe is close to ground position department, and heat-transfer medium is the cooling of constantly dispelling the heat, therefore the heat pipe keeps away from one section ground to the heat pipe is close to one section surface temperature of ground and reduces gradually. The arrangement density of the radiating fins is gradually reduced from the direction close to the main motor to the direction far away from the main motor, so that the arrangement mode can enable the positions of different heights of the side wall of the centrifugal cylinder to absorb heat to tend to be balanced, and the spherical graphite in the centrifugal cylinder is favorably and uniformly dried.

Optionally, a plurality of arc surfaces are formed on the inner side wall of the centrifugal cylinder.

Through adopting above-mentioned technical scheme, the area of contact of spherical graphite and centrifuge tube can be increased in the design of centrifuge tube inside wall arcwall face to promote the stoving speed that promotes spherical graphite.

Optionally, the inner side wall of the casing is fixedly connected with an insulating layer.

By adopting the technical scheme, the heat loss of the heat transfer medium in the heat transfer process can be effectively reduced by the heat preservation layer, and the energy utilization rate of waste heat and high-temperature steam of the main motor can be improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the design of the heat conducting cover, the fan, the heat conducting mechanism and the heat conducting pipe realizes the effective utilization of the waste heat of the main motor, and meanwhile, the auxiliary heating of the steam pipeline can effectively dry a small amount of water remained in the spherical graphite pores after the dehydration in the centrifugal machine;

2. the annular arrangement of the radiating fins and the design that the radiating fins are gradually concentrated from the position far away from the ground to the position close to the ground are both beneficial to uniformly heating the side wall of the centrifugal cylinder, so that the spherical graphite in the centrifugal cylinder is uniformly dried;

3. the fan realizes the one-way heat transfer of the main motor, and avoids the reverse transfer of heat transferred by high-temperature steam to the heat transfer mechanism to the main motor.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a spherical graphite dehydration centrifuge using waste heat according to an embodiment of the present application;

FIG. 2 is a cross-sectional view showing the overall structure of a spherical graphite dehydration centrifuge using waste heat according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is a schematic diagram of a vapor channel structure of a spherical graphite dehydration centrifuge using waste heat according to an embodiment of the present application.

Description of reference numerals: 1. a housing; 11. a heat-insulating layer; 12. a feed inlet; 13. a discharge port; 14. a liquid outlet; 15. a waste liquid cavity; 2. a centrifugal cylinder; 21. an arc-shaped surface; 22. a connecting beam; 3. a main motor; 31. a heat conducting cover; 32. a heat conductive sheet; 33. a fan; 34. a secondary motor; 4. a heat conducting pipe; 41. a first tube; 42. a second tube; 43. a heat sink; 5. a reflux mechanism; 51. a propeller; 52. a return paddle; 6. a heat transfer mechanism; 61. a heat transfer sheet; 611. a wind collecting cover; 62. a steam channel; 621. a steam pipe; 63. a reflux part.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a spherical graphite dehydration centrifuge using waste heat. Referring to fig. 1 and 2, the spherical graphite dehydration centrifuge using waste heat comprises a shell 1, wherein a heat insulation layer 11 is fixedly connected to the inner side wall of the shell 1, a main motor 3 is fixedly connected to one side, away from the ground, of the shell 1, an output shaft of the main motor 3 is arranged close to the ground, an output shaft of the main motor 3 is arranged perpendicular to the ground, and an output shaft of the main motor 3 penetrates through the top of the shell 1. 3 output shaft rigid couplings of main motor have centrifuge bowl 2, and centrifuge bowl 2 rotates to be connected in casing 1, and centrifuge bowl 2 keeps away from the open setting in ground one side, and a plurality of arcwall faces 21 have been seted up to centrifuge bowl 2 inside walls, and arcwall face 21 runs through 2 direction of height settings of centrifuge bowl, and arcwall face 21 sets up around 2 axial circumference arrays of centrifuge bowl. One side of the centrifugal cylinder 2, which is far away from the ground, is fixedly connected with a plurality of connecting beams 22, the connecting beams 22 are arranged around the axial circumference of the centrifugal cylinder 2 in an array manner, an output shaft of the main motor 3 is fixedly connected with the connecting beams 22, the outer diameter of the centrifugal cylinder 2 is smaller than the inner diameter of the shell 1, a waste liquid cavity 15 is formed between the shell 1 and the centrifugal cylinder 2, and the output shaft of the main motor 3 and the centrifugal cylinder 2 are coaxially arranged in the shell 1. The side, far away from the ground, of the shell 1 is provided with a feeding hole 12, the side, close to the ground, of the shell 1 and the centrifugal cylinder 2 is provided with discharge holes 13, the two discharge holes 13 are communicated, and a liquid outlet 14 is formed in the side wall of the shell 1.

Referring to fig. 2-4, a heat transfer mechanism 6 is disposed between the housing 1 and the output shaft of the main motor 3, a heat conducting cover 31 is fixedly connected to the side wall of the main motor 3, two ends of the heat conducting cover 31 are open, and one end of the heat conducting cover 31 close to the output shaft of the main motor 3 is disposed corresponding to one side of the heat transfer mechanism 6 close to the main motor 3. The heat conducting cover 31 inside wall rigid coupling has a plurality of conducting strips 32, and the conducting strip 32 sets up around the circumference array of heat conducting cover 31 center pin, and the conducting strip 32 sets up with the heat radiation fin one-to-one of main motor 3 outside wall. The heat conducting cover 31 is fixedly connected with a fan 33 at one end far away from the output shaft of the main motor 3, one side of the fan 33 far away from the main motor 3 is fixedly connected with an auxiliary motor 34, the output shaft of the auxiliary motor 34 is arranged close to the fan 33, the output shaft of the auxiliary motor 34 is arranged coaxially with the fan 33, and the auxiliary motor 34 can drive the fan 33 to generate wind current from one end far away from the output shaft of the main motor 3 to one end close to the output shaft of the main motor 3. The heat transfer mechanism 6 is connected with a steam pipeline 621, high-temperature steam is conveyed in the steam pipeline 621, and the high-temperature steam can heat the heat transfer mechanism 6. The heat transfer mechanism 6 is connected with a plurality of heat conduction pipes 4, the heat conduction pipes 4 penetrate through one side of the shell 1 far away from the ground, and one section of the heat conduction pipe 4 far away from the heat conduction cover 31 is fixedly connected with the outer side wall of the centrifugal cylinder 2. All the heat conduction pipes 4 are fixedly connected with a plurality of radiating fins 43 together, the radiating fins 43 are arranged along the height direction of the centrifugal cylinder 2, the distance between adjacent radiating fins 43 is gradually reduced from the position close to the main motor 3 to the position far away from the main motor 3, and the radiating fins 43 are annularly arranged on the outer side wall of the centrifugal cylinder 2.

Discharging the washed spherical graphite into the centrifugal cylinder 2 from the feeding hole 12, starting the main motor 3, driving the centrifugal cylinder 2 to rotate by the output shaft of the main motor 3, discharging most residual moisture in the spherical graphite gap into a waste liquid cavity 15 formed by the shell 1 and the centrifugal cylinder 2 through the centrifugal cylinder 2 due to centrifugal action, and discharging the residual moisture from a liquid outlet 14, wherein the spherical graphite is attached to the inner side wall of the centrifugal cylinder 2 due to centrifugal action. In the process, the main motor 3 generates a large amount of waste heat in the operation process, under the drive of the auxiliary motor 34, the fan 33 generates wind current from one end far away from the output shaft of the main motor 3 to one end close to the output shaft of the main motor 3, the waste heat generated by the main motor 3 is transmitted to the heat transfer mechanism 6 through the heat conducting fins 32, the heat transfer mechanism 6 is rapidly heated, the fan 33 realizes the unidirectional heat transfer of the main motor 3, and the reverse heat transfer of high-temperature steam to the heat transferred by the heat transfer mechanism 6 to the main motor 3 is avoided; meanwhile, the steam pipeline 621 leads in high-temperature steam, the high-temperature steam reheats the heat transfer mechanism 6, the heat transfer mechanism 6 passes through the heat conduction pipe 4, the waste heat of the main motor 3 and the heat of the high-temperature steam are transferred to the radiating fins 43 and the side wall of the centrifugal cylinder 2, the radiating fins 43 are annularly arranged on the side wall of the centrifugal cylinder 2, the side wall of the centrifugal cylinder 2 can be uniformly heated, the radiating fins 43 are arranged in a gradually dense mode from a position far away from the ground to a position close to the ground, positions with different heights of the centrifugal cylinder 2 can be uniformly heated, a plurality of cambered surfaces are formed in the inner side wall of the centrifugal cylinder 2, the utilization rate of the waste heat of the main motor 3 and the heat of the high-temperature steam can be increased through the above design, and the spherical graphite attached to the inner side wall of the centrifugal cylinder 2 can be uniformly and rapidly dried.

Referring to fig. 2 and 4, the heat transfer mechanism 6 includes a heat transfer sheet 61, a return portion 63 and a steam channel 62, the heat transfer sheet 61 is fixed to the output shaft of the main motor 3, the return portion 63 is fixed to the heat transfer sheet 61, the return portion 63 is rotatably connected to the steam channel 62, and the steam channel 62 is fixed to the side of the casing 1 away from the ground.

Referring to fig. 4, the plurality of heat transfer fins 61 are provided, the heat transfer fins 61 are arranged in a circumferential array around the output shaft of the main motor 3, one end of the heat transfer fin 61 close to the output shaft of the main motor 3 is fixed to the main motor 3, and one end of the heat transfer fin 61 remote from the output shaft of the main motor 3 is fixed to the return portion 63. The ends of all the heat conducting fins 61 far away from the housing 1 are fixedly connected with a wind-collecting cover 611, two ends of the wind-collecting cover 611 are open, and the wind-collecting cover 611 gradually converges from the end far away from the heat conducting fins 61 to the end close to the heat conducting fins 61.

Referring to fig. 5, the steam channel 62 is disposed around the side wall of the backflow part 63 from the end of the steam part close to the main motor 3 to the end far from the main motor 3, the steam pipe 621 is communicated with both ends of the steam channel 62, and high-temperature steam can flow into one end of the steam channel 62 from the steam pipe 621 and then flow out to the steam pipe 621 from the other end of the steam channel 62.

After the auxiliary motor 34 is started, the auxiliary motor 34 drives the fan 33, waste heat generated by driving the side wall of the main motor 3 is conveyed to the air collecting cover 611 through the heat conducting fins 32, and the design that one end of the air collecting cover 611 close to the heat transfer fins 61 is closed is beneficial to maximizing the hot air flow conveyed by the fan 33 and increasing the air flow velocity flowing through the heat transfer fins 61, so that the heat transfer fins 61 can be rapidly heated, and the heat of the heat transfer fins 61 is transferred to the backflow portion 63 in the heating process. The high-temperature steam introduced into the steam pipe 621 flows through the steam passage 62, and the high-temperature steam flowing through the steam passage 62 reheats the return unit 63, so that the heat of the high-temperature steam and the waste heat of the main motor 3 are simultaneously transferred to the return unit 63, and the temperature of the return unit 63 is rapidly increased.

Referring to fig. 4 and 5, each of the heat conductive pipes 4 includes a first pipe 41 and a second pipe 42, ends of the first pipe 41 and the second pipe 42, which are far from the main motor 3, are communicated with each other, ends of the first pipe 41 and the second pipe 42, which are close to the main motor 3, are inserted into the return portion 63, and an end of the first pipe 41, which is close to the main motor 3, is located far from the ground with respect to an end of the second pipe 42, which is close to the main motor 3. The return portion 63 is filled with a heat medium, which may be water, and flows through the return portion 63, the first pipe 41, and the second pipe 42. Every 41 lateral walls of first pipe all rotate and are connected with backflow mechanism 5, backflow mechanism 5 wears to locate first pipe 41, backflow mechanism 5 includes screw 51 and backward flow oar 52, the screw 51 rigid coupling in backward flow oar 52, screw 51 sets up with backward flow oar 52 coaxial line, the first pipe 41 length direction of axis perpendicular to of screw 51 and backward flow oar 52 sets up, screw 51 can be rotatory by electronic backward flow oar 52, backward flow oar 52 is located the first pipe 41 inner chamber, screw 51 is located the first pipe 41 outside.

After the temperature of the backflow part 63 is raised, the heat transfer medium flowing through the inner cavity of the backflow part 63 is raised, in the process that the main motor 3 rotates, the heat conduction pipe 4 and the centrifugal cylinder 2 rotate simultaneously, the propeller 51 starts to rotate after being subjected to wind flow parallel to the radial direction of the propeller 51, and the propeller 51 drives the backflow paddle 52 to rotate. During the rotation of the reflux paddles 52, the heat transfer medium can be driven to flow into the first pipe 41 from the end of the first pipe 41 close to the main motor 3 and flow out from the second pipe 42 close to the main motor 3. The heat transfer medium gradually releases heat in the process of flowing from the first tube 41 to the second tube 42, the centrifugal cylinder 2 heats up the heat released by the heat transfer medium absorbed by the cooling fins 43, and the temperature of the heat transfer medium gradually decreases. The heat transfer efficiency of the heat conduction pipe 4 can be effectively improved by the circulating heat transfer medium, and the heat transfer medium with lower temperature flowing out from the end of the second pipe 42 close to the main motor 3 is reheated by the heat transferred by the high-temperature steam and the heat sink 43, and then flows into the first pipe 41 again to enter the next heating cycle.

The implementation principle of the spherical graphite dehydration centrifuge using waste heat in the embodiment of the application is as follows: when the main motor 3 is started to dehydrate the spherical graphite in the centrifugal cylinder 2, most of water attached to the spherical graphite is centrifuged to the waste liquid cavity 15 and is discharged from the liquid outlet 14, and the spherical graphite with a small amount of residual water is attached to the inner side wall of the centrifugal cylinder 2. The auxiliary motor 34 is started, the auxiliary motor 34 drives the fan 33 to rotate, waste heat generated by the main motor 3 flows to the position of the heat transfer sheet 61 through the wind collecting cover 611 by the heat transfer sheet 32 and wind generated by the fan 33, and the waste heat generated by the main motor 3 can be fully collected and utilized by the design of the wind collecting cover 611, the heat transfer sheet 32 and the fan 33, so that the waste heat loss of the main motor 3 is reduced, and the transmission speed of the waste heat of the main motor 3 is increased. After absorbing heat, the heat transfer sheet 61 transfers heat to the backflow portion 63, the heat transfer medium absorbs heat to heat, and the heat transfer sheet 61 facilitates uniform heating and temperature rise of positions of the backflow portion 63 at different heights. Meanwhile, the high-temperature steam is led to the steam channel 62 from the steam pipe 621, the high-temperature steam in the steam channel 62 heats the heat transfer part, and the heat transfer medium absorbs heat again to heat. In the above process, the heat conducting pipe 4 rotates with the centrifugal cylinder 2, the propeller 51 rotates by the windward current, the propeller 51 drives the return flow propeller 52 to rotate together, the return flow propeller 52 drives the heated heat transfer medium to circulate in the inner cavities of the return flow portion 63, the first pipe 41 and the second pipe 42, the heat transfer medium reduces the heat release temperature in the process that the heat transfer medium flows through the second pipe 42 from the first pipe 41, the heat radiating fins 43 and the centrifugal cylinder 2 absorb heat to heat up, the heat radiating fins 43 are annularly arranged to uniformly heat the side wall of the centrifugal cylinder 2, and the heat radiating fins 43 are gradually concentrated from the position far from the ground to the position near the ground, so that the temperature of the side wall of the centrifugal cylinder 2 near the ground can approach the temperature of the side wall of the centrifugal cylinder 2 far from the ground. A plurality of arcwall faces 21 have been seted up to 2 inside walls of centrifuge bowl, also can increase centrifuge bowl 2 and spherical graphite's area of contact, have increased spherical graphite's stoving speed. The design can effectively utilize waste heat generated in the running process of the main motor 3, and then the centrifugal cylinder 2 side wall is heated together with high-temperature steam in an auxiliary mode, so that residual moisture of spherical graphite in the centrifugal cylinder 2 can be effectively dried.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A spherical graphite dehydration centrifuge using waste heat, comprising:

the centrifugal pump comprises a shell (1), wherein a main motor (3) is fixedly connected to one side, far away from the ground, of the shell (1), a centrifugal cylinder (2) is rotatably connected to the inner cavity of the shell (1), an output shaft of the main motor (3) is fixedly connected to the centrifugal cylinder (2), an output shaft of the main motor (3) and the centrifugal cylinder (2) are coaxially arranged, a feeding hole (12) is formed in one side, far away from the ground, of the shell (1), a discharging hole (13) is formed in one side, close to the ground, of the shell (1) and the centrifugal cylinder (2), and a liquid outlet (14) is formed in the shell (1);

the heat transfer mechanism (6) is arranged between the main motor (3) and the shell (1), the heat transfer mechanism (6) is fixedly connected with a plurality of heat conduction pipes (4), the heat conduction pipes (4) penetrate through the top of the shell (1), and the heat conduction pipes (4) are fixedly connected with the centrifugal cylinder (2);

the heat conduction cover (31) is fixedly connected to the side wall of the main motor (3), two ends of the heat conduction cover (31) are open, the heat conduction cover (31) is located at the position, corresponding to the heat transfer mechanism (6), of the main motor (3), one end, far away from the output shaft of the main motor (3), of the heat conduction cover (31) is fixedly connected with a fan (33), the heat conduction cover (31) is fixedly connected with an auxiliary motor (34), the output shaft of the auxiliary motor (34) is fixedly connected with the fan (33), and the fan (33) can generate acting force from one end, far away from the output shaft of the main motor (3), to one end, close to the output shaft of the main motor (3);

a steam pipeline (621), the steam pipeline (621) is connected to the heat transfer mechanism (6), and the steam pipeline (621) is used for conveying high-temperature steam.

2. The spherical graphite dehydration centrifuge using waste heat according to claim 1, characterized in that: the heat conduction pipe is characterized in that a heat transfer medium is filled in the cavity of the heat conduction pipe (4), the heat transfer medium can be water, a backflow mechanism (5) is arranged on the side wall of the heat conduction pipe (4), and the backflow mechanism (5) can enable the heat transfer medium in the heat conduction pipe (4) to backflow.

3. The spherical graphite dehydration centrifuge using waste heat according to claim 2, characterized in that: reflux mechanism (5) rotate connect in heat pipe (4), reflux mechanism (5) include screw (51) and backward flow oar (52), screw (51) rigid coupling in reflux oar (52), screw (51) can drive reflux oar (52) rotate, reflux oar (52) are located heat pipe (4) inner chamber, screw (51) are located the heat pipe (4) outside.

4. The spherical graphite dehydration centrifuge using waste heat according to claim 1, characterized in that: the heat conduction cover (31) inside wall rigid coupling has a plurality of conducting strips (32), conducting strip (32) follow heat conduction cover (31) axle center circumference array sets up, conducting strip (32) run through heat conduction cover (31) direction of height sets up.

5. The spherical graphite dehydration centrifuge using waste heat according to claim 1, characterized in that: the centrifugal cylinder is characterized in that a plurality of radiating fins (43) are fixedly connected to the side wall of the heat conduction pipe (4), the radiating fins (43) are arranged along the length direction of the heat conduction pipe (4), and the radiating fins (43) are arranged around the side wall of the centrifugal cylinder (2).

6. The spherical graphite dehydration centrifuge using waste heat according to claim 5, characterized in that: the distance between the adjacent radiating fins (43) is gradually reduced from the side close to the main motor (3) to the side far away from the main motor (3).

7. The spherical graphite dehydration centrifuge using waste heat according to claim 1, characterized in that: a plurality of arc surfaces (21) are arranged on the inner side wall of the centrifugal cylinder (2).

8. The spherical graphite dehydration centrifuge using waste heat according to claim 1, characterized in that: the inner side wall of the shell (1) is fixedly connected with a heat-insulating layer (11).

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