CN218443443U

CN218443443U - Air-cooled heat exchanger

Info

Publication number: CN218443443U
Application number: CN202222638729.4U
Authority: CN
Inventors: 熊红玲; 罗红星
Original assignee: Yichang Changshi Intelligent Equipment Co ltd
Current assignee: Yichang Changshi Intelligent Equipment Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-02-03
Anticipated expiration: 2032-09-29

Abstract

The utility model provides an air-cooled heat exchanger, the power distribution box comprises a box body, honeycomb duct and fan, be equipped with air inlet and gas outlet on the box, the fan is fixed in gas outlet department, the honeycomb duct is including consecutive first body, second body and third body, the one end that the second body was kept away from to the one end of second body and the one end that the second body was kept away from to the third body are stretched out outside the box respectively, the second body is located the box and the second body has at least one spiral radiating part, the inner wall interval of radiating part and box sets up, be equipped with two at least helical fin on the periphery wall of radiating part, helical fin sets up around the axis interval of radiating part. The utility model provides a heat dissipation efficiency of heat exchanger not high, the big technical problem of energy consumption, produced the technological effect of guaranteeing that the temperature of hot medium descends to target temperature fast, hot medium's circulation number of times when reducing the cooling simultaneously promotes the radiating efficiency and reduces the energy consumption.

Description

Air-cooled heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field especially relates to an air-cooled heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger is widely applied to chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical production.

The utility model discloses a chinese utility model patent that the bulletin number of granting is CN210004831U discloses an air-cooled plate fin heat exchanger, including box, heat exchange group board, fin, fan, the both ends of heat exchange group board communicate the input source of hot-medium and the output source of hot-medium respectively, form cooling channel between heat exchange group board and the box, the fan produces the air current and passes through the heat discharge that cooling channel produced this heat exchange group board to set up the heat exchange board into the wave, reduce the velocity of flow of hot-medium, improve the heat transfer effect.

Above-mentioned utility model patent, set up the heat transfer board into the wave although can reduce the velocity of flow of hot-medium, but be subject to the size of box, the time that hot-medium is detained in the box is limited, cause the heat that hot-medium transmission to air current easily and be not enough to make the temperature of hot-medium descend to outside the target temperature just with hot-medium discharge heat transfer group board, cause the hot-medium need in the heat dissipation group board mesocycle many times until its temperature descends to the target temperature, heat radiation efficiency is not high, both influence production work and normally go on, the energy consumption has still been increased.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides an air-cooled heat exchanger, it has solved the not high, the big problem of energy consumption of heat exchanger radiating efficiency who exists among the prior art.

According to the utility model discloses an embodiment, an air-cooled heat exchanger, including box, honeycomb duct and fan, be equipped with air inlet and gas outlet on the box, the fan is fixed gas outlet department, the honeycomb duct is including consecutive first body, second body and third body, first body is kept away from the one end of second body reaches the third body is kept away from the one end of second body is stretched out respectively outside the box, the second body is located in the box just the second body has at least one spiral radiating part, the radiating part with the inner wall interval of box sets up, be equipped with two at least helical fin on the periphery wall of radiating part, helical fin winds the axis interval of radiating part sets up.

Furthermore, the number of the heat dissipation parts is at least two, and the heat dissipation parts are arranged in the box body in parallel.

Furthermore, the second pipe body further comprises an adapter part, and any two adjacent heat dissipation parts are communicated through the adapter part.

Furthermore, a support frame is further arranged in the box body, and the support frame is matched with the switching part and is fixedly connected with the inner wall of the box body.

Further, still be equipped with the installing frame on the box, the installing frame encircles the air inlet setting, be equipped with a plurality of rotatable blades on the installing frame and order about blade pivoted drive assembly, the blade is in form a line on the installing frame just the blade covers respectively the opening part of air inlet.

Further, the blade includes the dwang, be equipped with on the installing frame with dwang matched with mounting hole.

Further, the tip of dwang is equipped with the gear, drive assembly is including fixing first motor on the box, set up the lead screw of first motor output, with lead screw matched with slider and with slider fixed connection's rack, the rack is portable to be set up just on the box the gear with rack toothing.

Further, still include the filter screen, the filter screen with the installing frame can be dismantled just the filter screen is located the installing frame is kept away from one side of box, the filter screen covers the opening part of air inlet.

Furthermore, the box body is provided with a first accommodating groove for accommodating part of the mounting frame.

Furthermore, the fan includes frame, rotatable flabellum and orders about flabellum pivoted second motor, still be equipped with on the box and hold part the second storage tank of frame.

Compared with the prior art, the utility model discloses following beneficial effect has: the draft tube is adopted to guide the flow of the thermal medium, the fan is arranged to drive the air in the external environment to enter from the air inlet of the box body and to be discharged from the air outlet after flowing in the box body, the temperature of the air is lower than that of the thermal medium of the draft tube, the air brings the temperature of the thermal medium out of the box body and cools the thermal medium in the flowing process of the air in the box body, the draft tube comprises a first tube body, a second tube body and a third tube body which are sequentially connected, the first tube body and the third tube body respectively extend out of the box body to supply the thermal medium to the input and output draft tube, so that the thermal medium is input and output to the air-cooled heat exchanger, the second tube body is provided with a spiral radiating part, the stroke of the thermal medium flowing in the box body is increased, the residence time of the thermal medium is prolonged, the contact area between the radiating part and the air flow is increased through spiral fins arranged on the radiating part, the temperature of the thermal medium in the radiating part is rapidly reduced, the technical problem that the radiating efficiency and the energy consumption are high is solved, the technical effect of ensuring that the temperature of the thermal medium is rapidly reduced to the target temperature is reduced, and the cycle frequency of the thermal medium is reduced during cooling is reduced.

Drawings

Fig. 1 is a schematic structural view of an air-cooled heat exchanger according to an embodiment of the present invention;

fig. 2 is a sectional view of an air-cooled heat exchanger according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a box body in an air-cooled heat exchanger according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a flow guide pipe in an air-cooled heat exchanger according to an embodiment of the present invention;

fig. 5 is a schematic partial structural view of an air-cooled heat exchanger according to an embodiment of the present invention;

FIG. 6 is an enlarged view at A in FIG. 5;

fig. 7 is a schematic structural view of a mounting frame in an air-cooled heat exchanger according to an embodiment of the present invention.

In the drawings, wherein: 1. a box body; 11. an air inlet; 12. an air outlet; 13. a support frame; 14. a first accommodating groove; 15. a second accommodating groove; 16. a chute; 17. a baffle plate; 18. a motor bracket; 2. a flow guide pipe; 21. a first pipe body; 22. a second tube body; 23. a third tube; 24. a heat dissipating section; 25. a helical fin; 26. a switching part; 3. a fan; 31. a frame; 32. a fan blade; 33. a second motor; 4. installing a frame; 41. mounting holes; 5. a blade; 51. rotating the rod; 52. a gear; 6. a drive assembly; 61. a first motor; 62. a screw rod; 63. a slider; 64. a rack; 7. and (5) filtering the screen.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1, an embodiment of the present invention provides an air-cooled heat exchanger for transferring heat in a thermal medium to an external environment to reduce the temperature of the thermal medium.

As shown in fig. 1 and 2, the air-cooled heat exchanger includes a box 1, a draft tube 2 and a fan 3, wherein the box 1 is provided with an air inlet 11 for air to enter the box 1 and an air outlet 12 for air to be discharged, the fan 3 is fixed at the air outlet 12, and the air in the box 1 is drawn out by the fan 3 to accelerate the air flow in the box 1. The draft tube 2 comprises a first tube body 21, a second tube body 22 and a third tube body 23 which are connected in sequence, one end of the first tube body 21, which is far away from the second tube body 22, and one end of the third tube body 23, which is far away from the second tube body 22, respectively extend out of the box body 1, the first tube body 21 is used for being connected with an input end of a thermal medium, the third tube body 23 is used for being connected with an output end of the thermal medium, the second tube body 22 is located in the box body 1, the second tube body 22 is provided with at least one heat dissipation part 24, the heat dissipation part 24 is spiral, four spiral fins 25 are arranged on the outer peripheral wall of the heat dissipation part 24, the four spiral fins 25 are arranged at equal intervals around the axis of the heat dissipation part 24, the contact area between the heat dissipation part 24 and an air flow can be increased through the spiral fins 25 arranged on the heat dissipation part 24, so that the heat exchange efficiency is improved, the spiral heat dissipation part 24 is arranged to increase the flow stroke of the thermal medium in the box body 1, so that the retention time of the thermal medium in the box body 1 is prolonged, the temperature of the draft tube 2 is ensured to be quickly reduced to a target temperature reduction, and the energy consumption of the thermal medium is reduced, and the target temperature reduction is reduced at the same time.

Referring to fig. 2, 3 and 4, in the present embodiment, the number of the heat dissipation portions 24 is two, two heat dissipation portions 24 are arranged in parallel in the box body 1, and the time of the heat medium staying in the box body 1 can be further prolonged by arranging a plurality of heat dissipation portions 24. The second tube 22 further includes an adapter 26 for communicating the two heat dissipation portions 24, and the adapter 26 is disposed between the two heat dissipation portions 24 to ensure that the two heat dissipation portions 24 are stably connected.

Specifically, still be fixed with support frame 13 in the box 1, support frame 13 cover is established on the switching portion 26 and with the inner wall fixed connection of box 1, support frame 13 is used for supporting honeycomb duct 2 makes honeycomb duct 2 is in position in the box 1 remains stable, avoids the hot medium to be in when flowing in honeycomb duct 2 with the vibration that the inner wall collision of honeycomb duct 2 produced causes honeycomb duct 2 rock and with box 1 collision prevents honeycomb duct 2 because of with the damage that box 1 collision leads to.

Referring to fig. 1, 2 and 5, the box body 1 is further provided with a mounting frame 4, the top surface of the box body 1 is provided with a first receiving groove 14 for receiving a portion of the mounting hole 41, so as to position the mounting frame 4 on the box body 1, the mounting frame 4 is disposed around the air inlet 11, the mounting frame 4 is provided with a plurality of rotatable blades 5 and a driving assembly 6 for driving the blades 5 to rotate, the blades 5 are arranged in a row on the mounting frame 4, the blades 5 respectively cover the openings of the air inlet 11, and the size of the openings of the air inlet 11 can be adjusted by rotating the blades 5 to change the inclination angle of the blades 5, so as to adjust the air intake amount of the box body 1, and thus the heat dissipation efficiency of the air-cooled heat exchanger can be adjusted according to actual use requirements.

Referring to fig. 5, 6 and 7, in order to enable the blade 5 to stably operate with respect to the mounting frame 4, the blade 5 includes a rotating rod 51, the mounting frame 4 is provided with a mounting hole 41, and the rotating rod 51 extends into the mounting hole 41 to be matched with the mounting hole 41, so as to ensure stable matching between the blade 5 and the mounting frame 4.

In detail, the driving assembly 6 includes a first motor 61 fixed on the box 1, a lead screw 62 disposed at an output end of the first motor 61, a slider 63 engaged with the lead screw 62, and a rack 64 fixedly connected to the slider 63, a gear 52 is disposed at one end of the rotating rod 51, the rack 64 is movably disposed on the box 1, and the gear 52 is engaged with the rack 64. The first motor 61 drives the screw rod 62 to rotate, so that the sliding block 63 is driven to move on the screw rod 62 along the axial direction of the screw rod 62, and simultaneously drives the rack 64 fixedly connected with the sliding block 63 to move along the axial direction of the screw rod 62, and the gear 52 meshed with the rack 64 is driven to rotate through the movement of the rack 64, so that the blade 5 is driven to rotate around the axis of the rotating rod 51 to adjust the inclination angle of the blade 5.

As shown in fig. 1 and 3, the box body 1 is further provided with a chute 16, a part of the screw 62 extends into the chute 16 and is rotatably connected with the box body 1, the slider 63 is accommodated in the chute 16, and the slider 63 is attached to the inner wall of the chute 16 so as to guide the slider 63 to move through the chute 16, so that the slider 63 is prevented from deviating from a preset direction when moving, meanwhile, the box body 1 is further provided with a motor bracket 18 for mounting the first motor 61 and baffles 17 for limiting the moving stroke of the rack 64, the number of the baffles 17 is two, and the two baffles 17 are respectively arranged near two ends of the rack 64, so as to prevent the rack 64 from moving beyond a limit, so that the gear 52 is prevented from being separated from the rack 64.

Referring to fig. 1 and 2, in order to prevent impurities such as dust in the external environment from falling into the box 1, the air-cooled heat exchanger further includes a filter screen 7 detachably connected to the mounting frame 4, the filter screen 7 is located on a side of the mounting frame 4 away from the box 1, the fan blades 32 are located between the filter screen 7 and the box 1, and the filter screen 7 covers the opening of the air inlet 11 to block the impurities in the external environment outside the box 1, thereby ensuring stable operation of the air-cooled heat exchanger. It is right to need during the filter screen 7 clears up, will filter screen 7 is followed install frame 4 is gone up to pull down can.

Referring to fig. 2 and fig. 3, in the present embodiment, the fan 3 includes a frame 31, the frame 31 is provided with a rotatable fan blade 32 and a second motor 33 for driving the fan blade 32 to rotate, the second motor 33 drives the fan blade 32 to rotate, so as to accelerate the flow of the air flow in the box body 1, and force the air flow to contact the heat dissipation portion 24 and the spiral fins 25 disposed on the heat dissipation portion 24, so as to take the heat in the heat medium in the flow guide pipe 2 out of the box body 1 through the air flow.

Preferably, the box body 1 is provided with a second accommodating groove 15 for the rack 31 to be installed, and the second accommodating groove 15 accommodates a part of the rack 31 therein to position the fan 3 on the box body 1 and stabilize the position of the fan 3 at the air outlet.

As shown in fig. 1 and fig. 2, when the air-cooled heat exchanger provided in this embodiment is used to cool a heat medium, the duct 2 is first connected to a device to be cooled, so that the heat medium flows into the duct 2 from the first tube 21 and flows out from the third tube 23, then the first motor 61 is started to adjust the inclination angle of the blade 5, which can omit this step without adjustment, the second motor 33 is then started to rotate the fan blade 32 and open the valve of the device to be cooled, so that the heat medium flows into the second tube 22, and when the heat medium flows out from the third tube 23, the temperature of the heat medium can be lowered to a target temperature, thereby cooling the heat medium.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an air-cooled heat exchanger, includes box, honeycomb duct and fan, be equipped with air inlet and gas outlet on the box, the fan is fixed gas outlet department, its characterized in that: the honeycomb duct is including consecutive first body, second body and third body, the one end of second body is kept away from to first body reaches the third body is kept away from the one end of second body stretches out respectively outside the box, the second body is located in the box just the second body has at least one spiral radiating part, the radiating part with the inner wall interval of box sets up, be equipped with two at least helical fin on the periphery wall of radiating part, helical fin winds the axis interval of radiating part sets up.

2. An air-cooled heat exchanger as claimed in claim 1, wherein: the number of the heat dissipation parts is at least two, and the heat dissipation parts are arranged in the box body in parallel.

3. An air-cooled heat exchanger as claimed in claim 2, wherein: the second pipe body further comprises an adapter part, and any two adjacent heat dissipation parts are communicated through the adapter part.

4. An air-cooled heat exchanger as claimed in claim 3, wherein: the box body is also internally provided with a support frame which is matched with the switching part and is fixedly connected with the inner wall of the box body.

5. An air-cooled heat exchanger as claimed in claim 1, wherein: the box body is further provided with a mounting frame, the mounting frame surrounds the air inlet, a plurality of rotatable blades and a driving assembly for driving the blades to rotate are arranged on the mounting frame, the blades are arranged in a row on the mounting frame, and the blades cover the opening of the air inlet respectively.

6. An air-cooled heat exchanger as claimed in claim 5, wherein: the blade includes the dwang, be equipped with on the installing frame with dwang matched with mounting hole.

7. An air-cooled heat exchanger as claimed in claim 6, wherein: the tip of dwang is equipped with the gear, drive assembly is including fixing first motor on the box, setting are in the lead screw of first motor output, with lead screw matched with slider and with slider fixed connection's rack, the rack is portable to be set up just on the box the gear with rack toothing.

8. An air-cooled heat exchanger as claimed in claim 5, wherein: still include the filter screen, the filter screen with the installing frame can be dismantled just the filter screen is located the installing frame is kept away from one side of box, the filter screen covers the opening part of air inlet.

9. An air-cooled heat exchanger as claimed in claim 5, wherein: the box body is provided with a first accommodating groove for accommodating part of the mounting frame.

10. An air-cooled heat exchanger as claimed in claim 1, wherein: the fan includes frame, rotatable flabellum and orders about flabellum pivoted second motor, still be equipped with on the box and hold the part the second storage tank of frame.