CN212253809U - Plate-fin heat exchanger flow guide structure for realizing uniform distribution of fluid in heat exchanger - Google Patents
Plate-fin heat exchanger flow guide structure for realizing uniform distribution of fluid in heat exchanger Download PDFInfo
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- CN212253809U CN212253809U CN202020478969.0U CN202020478969U CN212253809U CN 212253809 U CN212253809 U CN 212253809U CN 202020478969 U CN202020478969 U CN 202020478969U CN 212253809 U CN212253809 U CN 212253809U
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Abstract
The utility model discloses a realize plate-fin heat exchanger water conservancy diversion structure of fluid evenly distributed in heat exchanger, including upper cover and low head, the inside of upper cover is connected with the pivot through the bearing, and the welding has two-way spiral plate on the outer wall of pivot, there is the motor through bolted connection on one side outer wall of upper cover, and the output shaft one end of motor runs through upper cover one side outer wall and passes through the parallel key with the pivot and be connected, be provided with the inner fin that the equidistance distributes between upper cover and the low head, and be provided with outer fin between two adjacent inner fins, be provided with the baffle between outer fin and the inner fin, the welding has into the pipe on the top outer wall of upper cover, the welding has the exit tube on the inner wall of low head bottom, the inside of advancing the. The utility model discloses a motor, pivot and the two-way spiral board that set up, it is rotatory to drive the pivot with the motor, makes the two-way spiral board from advancing the fluid of pipe entering to both sides dispersion, realizes fluid evenly distributed's effect.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to a realize in heat exchanger fluid evenly distributed's plate-fin heat exchanger water conservancy diversion structure.
Background
With the increasing popularity of production devices for producing cold energy by throttling low-temperature liquid, the continuous development of plate-fin heat exchangers in the field of low-temperature technology and the continuous improvement of the application range and requirements of gas-liquid two-phase fluid in the plate-fin heat exchangers. Especially in the large and medium natural gas mixed refrigerant liquefaction process in recent years, the demand for development and application of large-size low-temperature plate-fin heat exchangers is increasing day by day, and the plate-fin heat exchangers are generally composed of partition plates, fins and guide vanes, and the guide vanes play a role in uniformly distributing fluid in the plate-fin heat exchangers.
The flow guide effect of the flow guide structure of the plate-fin heat exchanger in the prior art is not good enough, so that the fluid in the heat exchanger is not uniformly distributed enough, the use effect of the heat exchanger is not ideal, and the inner fin of the heat exchanger is easy to block. Therefore, it is desirable to design a flow guiding structure of a plate-fin heat exchanger to achieve uniform distribution of fluid in the heat exchanger to solve the above problems.
Disclosure of Invention
The utility model aims at solving the defects that the fluid distribution is uneven and the inner fins are easy to block in the prior art, and providing a plate-fin heat exchanger flow guide structure for realizing the fluid uniform distribution in the heat exchanger.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a realize plate-fin heat exchanger water conservancy diversion structure of fluid evenly distributed in heat exchanger, includes upper cover and low head, the inside of upper cover is connected with the pivot through the bearing, and has two-way spiral plate on the outer wall of pivot, there is the motor through bolted connection on one side outer wall of upper cover, and the output shaft one end of motor runs through upper cover one side outer wall and the pivot is connected through the parallel key, be provided with the inner fin that the equidistance distributes between upper cover and the low head, and be provided with the outer fin between two adjacent inner fins, be provided with the baffle between outer fin and the inner fin, the welding has into the pipe on the top outer wall of upper cover, the welding has the exit tube on the inner wall of low head bottom.
The key concept of the technical scheme is as follows: the motor is used for driving the rotating shaft to rotate, so that the bidirectional spiral plate disperses fluid entering from the inlet pipe to two sides, and the effect of uniform distribution of the fluid is realized.
Furthermore, the inside of advancing the pipe is provided with the baffle, and the fixed grafting of baffle inside has the connecting rod, the both ends of connecting rod with advance tub of inner wall welding.
Furthermore, the inner wall of the upper end enclosure is welded with a flow distribution plate, and the outer wall of the top of the flow distribution plate is provided with a plurality of small holes which are uniformly distributed.
Furthermore, two side plates are welded between the upper seal head and the lower seal head, the outer fin and the inner fin are located between the two side plates, and sealing plates are bonded on two sides of the inner fin.
Furthermore, mounting lugs are welded on the outer walls of the upper end enclosure and the lower end enclosure, and mounting holes are formed in the outer wall on one side of each mounting lug.
Further, it has evenly distributed's recess to advance to open on the inner wall of pipe, and advances intraduct and be provided with the filter screen, the top welding of filter screen has evenly distributed's spring buckle, and the filter screen passes through spring buckle and recess joint.
The utility model has the advantages that:
1. through the motor, the rotating shaft and the bidirectional spiral plate, the motor drives the rotating shaft to rotate, so that the bidirectional spiral plate disperses fluid entering from the inlet pipe to two sides, and the effect of uniform distribution of the fluid is realized.
2. Through the arranged flow guide body and the flow distribution plate, the layer-by-layer conical structure of the flow guide body enables fluid entering from the inlet pipe to be dispersed from the inlet, and after the fluid is distributed through the spiral plate, the fluid is distributed through the flow distribution plate again, so that the effect of uniform distribution of the fluid is further enhanced.
3. Through filter screen, recess and the spring buckle that sets up, utilize the filter screen to filter the fluid, prevent that impurity in the fluid from blockking up interior fin, utilize recess and spring buckle to carry out the joint for the change of filter screen is very convenient, has consequently improved the life of heat exchanger and the efficiency of maintenance personal.
4. Through the curb plate that sets up, the use of curb plate not only protects the both sides of interior fin and is difficult to be destroyed from the external world, but also makes the heat exchanger outward appearance more pleasing to the eye, the practical reliability effect that consequently increases.
Drawings
Fig. 1 is a schematic structural diagram of a flow guiding structure of a plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger according to the present invention;
fig. 2 is a schematic structural view of a bidirectional spiral plate of a flow guiding structure of a plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger according to the present invention;
fig. 3 is a schematic diagram of an inner fin structure of a flow guiding structure of a plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger, according to the present invention;
fig. 4 is the utility model provides a realize the enlarged view of a department of plate-fin heat exchanger water conservancy diversion structure of fluid evenly distributed in heat exchanger.
In the figure: the device comprises an upper end enclosure 1, a lower end enclosure 2, a pipe inlet 3, a pipe outlet 4, a motor 5, a flow guide body 6, a connecting rod 7, a rotating shaft 8, a bidirectional spiral plate 9, a mounting lug 10, a side plate 11, a partition plate 12, an outer fin 13, a sealing plate 14, an inner fin 15, a flow distribution plate 16, small holes 17, grooves 18, a filter screen 19 and a spring buckle 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a plate-fin heat exchanger flow guiding structure for uniformly distributing fluid in a heat exchanger includes an upper head 1 and a lower head 2, the interior of the upper head 1 is connected with a rotating shaft 8 through a bearing, the rotating shaft 8 can rotate inside the upper head 1, and a bidirectional spiral plate 9 is welded on the outer wall of the rotating shaft 8, the rotating directions of the bidirectional spiral plate 9 from the middle to two sides are opposite, the outer wall of one side of the upper head 1 is connected with a motor 5 through a bolt, the type of the motor 5 is YL8S-2, one end of an output shaft of the motor 5 penetrates through the outer wall of one side of the upper head 1 and is connected with the rotating shaft 8 through a flat key, the upper head 1 and the output shaft of the motor 5 are sealed by a sealing bearing, the prior art is realized that the fluid in the upper head 1 cannot flow out from a gap between the upper head 1 and the motor 5, inner fins 15 are equidistantly arranged between the upper head, inner fin 15 and upper cover 1 and lower head 2 between communicate with each other and with external sealing, it reaches lower head 2 to realize that the fluid passes inner fin 15 by upper cover 1, and be provided with outer fin 13 between two adjacent inner fins 15, outer fin 13 and inner fin 15's fluid passage mutually perpendicular, be provided with baffle 12 between outer fin 13 and the inner fin 15, baffle 12 plays heat transfer's effect, the welding has into pipe 3 on the top outer wall of upper cover 1, the fluid that needs to carry out the heat transfer gets into by advancing pipe 3, the welding has exit tube 4 on the inner wall of lower head 2 bottom, the fluid that needs to carry out the heat transfer flows out by exit tube 4.
As can be seen from the above description, the present invention has the following advantages: through the motor 5, the rotating shaft 8 and the bidirectional spiral plate 9, the motor 5 is used for driving the rotating shaft 8 to rotate, so that the bidirectional spiral plate 9 disperses fluid entering from the inlet pipe 3 to two sides, and the effect of uniform distribution of the fluid is realized.
Further, the inside of advancing pipe 3 is provided with baffle 6, baffle 6 cup joints together by a plurality of conical canals, plays the effect that the fluid shunted, and baffle 6 is inside fixed the pegging graft to have connecting rod 7, and connecting rod 7 welds with baffle 6 again for obtain fixedly between connecting rod 7 and the baffle 6, the both ends of connecting rod 7 with advance 3 inner wall welding of pipe, make baffle 6 fixed in advancing pipe 3 inside.
Furthermore, the inner wall of the upper end enclosure 1 is welded with a flow distribution plate 16, the periphery of the flow distribution plate 16 and the inner wall of the upper end enclosure 1 are welded, the outer wall of the top of the flow distribution plate 16 is provided with a plurality of small holes 17 which are uniformly distributed, and the fluid passing through the bidirectional spiral plate 9 is subdivided through the small holes 17 again, so that the fluid achieves the optimal uniform distribution effect.
Further, the welding has two curb plates 11 between upper cover 1 and the low head 2, and curb plate 11 flushes with two curb plates of upper cover 1 and low head 2, and outer fin 13 and inner fin 15 all are located between two curb plates 11, and inner fin 15's both sides bond has shrouding 14, and shrouding 14 protects inner fin 15, is difficult to receive the damage from the external world.
Furthermore, the outer walls of the upper end enclosure 1 and the lower end enclosure 2 are welded with four mounting lugs 10, and the outer wall of one side of each mounting lug 10 is provided with a mounting hole, so that the heat exchanger is fixed by the mounting holes.
Further, it has evenly distributed's recess 18 to open on advancing the inner wall of pipe 3, and recess 18 is arc, and advances the inside filter screen 19 that is provided with of pipe 3, and filter screen 19 plays filterable effect to the fluid that gets into, and the top welding of filter screen 19 has evenly distributed's spring buckle 20, and spring buckle 20 has certain elasticity, and filter screen 19 passes through spring buckle 20 and recess 18 joint, realizes the convenient change to filter screen 19.
Through the arrangement of the flow guide body 6 and the flow distribution plate 16, the layer-by-layer conical structure of the flow guide body 6 enables the fluid entering from the inlet pipe 3 to be dispersed from the inlet, and after the fluid is distributed by the bidirectional spiral plate 9, the fluid is distributed by the flow distribution plate 16 again, so that the effect of uniform distribution of the fluid is further enhanced; through the arranged filter screen 19, the groove 18 and the spring fastener 20, the fluid is filtered by the filter screen 19, so that the inner fins 15 are prevented from being blocked by impurities in the fluid, and the filter screen 19 is very convenient to replace by clamping the groove 18 and the spring fastener 20, so that the service life of the heat exchanger is prolonged, and the maintenance efficiency of maintenance personnel is improved; through the curb plate 11 that sets up, the use of curb plate 11 not only protects the both sides of interior fin 15 and is difficult to be destroyed from the external world, but also makes the heat exchanger outward appearance more pleasing to the eye, consequently the practical reliability effect that increases.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
A plate-fin heat exchanger flow guide structure for realizing uniform distribution of fluid in a heat exchanger comprises an upper end enclosure 1 and a lower end enclosure 2, wherein the interior of the upper end enclosure 1 is connected with a rotating shaft 8 through a bearing, the rotating shaft 8 can rotate in the upper end enclosure 1, a bidirectional spiral plate 9 is welded on the outer wall of the rotating shaft 8, the rotating directions of the bidirectional spiral plate 9 from the middle to two sides are opposite, the outer wall of one side of the upper end enclosure 1 is connected with a motor 5 through a bolt, the model of the motor 5 is YL8S-2, one end of an output shaft of the motor 5 penetrates through the outer wall of one side of the upper end enclosure 1 and is connected with the rotating shaft 8 through a flat key, a sealing bearing is used for sealing between the upper end enclosure 1 and an output shaft of the motor 5, the prior art is realized, the fluid in the upper end enclosure 1 cannot flow out from a gap between the upper end enclosure 1 and, inner fin 15 and upper cover 1 and lower head 2 between communicate with each other and with external sealing, it reaches lower head 2 to realize that the fluid passes inner fin 15 by upper cover 1, and be provided with outer fin 13 between two adjacent inner fins 15, outer fin 13 and inner fin 15's fluid passage mutually perpendicular, be provided with baffle 12 between outer fin 13 and the inner fin 15, baffle 12 plays heat transfer's effect, the welding has into pipe 3 on the top outer wall of upper cover 1, the fluid that needs to carry out the heat transfer gets into by advancing pipe 3, the welding has exit tube 4 on the inner wall of lower head 2 bottom, the fluid that needs to carry out the heat transfer flows out by exit tube 4.
The flow guide body 6 is arranged inside the inlet pipe 3, the flow guide body 6 is sleeved by a plurality of conical pipes to play a role in shunting fluid, a connecting rod 7 is fixedly inserted inside the flow guide body 6, the connecting rod 7 is welded with the flow guide body 6, so that the connecting rod 7 and the flow guide body 6 are fixed, and two ends of the connecting rod 7 are welded with the inner wall of the inlet pipe 3, so that the flow guide body 6 is fixed inside the inlet pipe 3; the inner wall of the upper end enclosure 1 is welded with a flow distribution plate 16, the flow distribution plate 16 is welded with the periphery of the inner wall of the upper end enclosure 1, the outer wall of the top of the flow distribution plate 16 is provided with a plurality of small holes 17 which are uniformly distributed, and the fluid passing through the bidirectional spiral plate 9 is subdivided through the small holes 17 again, so that the fluid achieves the optimal uniform distribution effect; two side plates 11 are welded between the upper seal head 1 and the lower seal head 2, the side plates 11 are flush with the two side plates of the upper seal head 1 and the lower seal head 2, the outer fins 13 and the inner fins 15 are positioned between the two side plates 11, the sealing plates 14 are bonded on two sides of the inner fins 15, and the sealing plates 14 protect the inner fins 15 and are not easily damaged from the outside; the outer walls of the upper end enclosure 1 and the lower end enclosure 2 are welded with four mounting lugs 10, and the outer wall of one side of each mounting lug 10 is provided with a mounting hole, so that the heat exchanger is fixed by the mounting holes; open on the inner wall of advancing pipe 3 and have evenly distributed's recess 18, recess 18 is arc, and advances the inside filter screen 19 that is provided with of pipe 3, and filter screen 19 plays filterable effect to the fluid that gets into, and the top welding of filter screen 19 has evenly distributed's spring buckle 20, and spring buckle 20 has certain elasticity, and filter screen 19 passes through spring buckle 20 and recess 18 joint, realizes the convenient change to filter screen 19.
The working principle is as follows: during the use, insert the fluid that needs carry out the heat transfer through advancing pipe 3, and switch on motor 5's power, motor 5's output shaft rotation drives pivot 8 and rotates, when pivot 8 is rotatory, it rotates to drive two-way spiral board 9, fluid passes through the filtration of filter screen 19, make impurity filtered, fluid is dispersed through baffle 6, pass through rotatory two-way spiral board 9 again and be to both sides evenly distributed, subdivide once more through the aperture 17 of flow distribution plate 16, make the fluid by thorough evenly distributed, fluid gets into inner fin 15 through heat-conduction, make heat transfer give outer fin 13, the effect that realizes the heat transfer is taken away to the heat to the fluid through outer fin 13, at last the fluid of inner fin 15 the inside flows out through exit tube 4, so far accomplish the heat transfer, the effect of the heat exchanger is played to this circulation is reciprocal.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A plate-fin heat exchanger flow guide structure for achieving uniform distribution of fluid in a heat exchanger comprises an upper end enclosure (1) and a lower end enclosure (2) and is characterized in that the interior of the upper end enclosure (1) is connected with a rotating shaft (8) through a bearing, the outer wall of the rotating shaft (8) is welded with a bidirectional spiral plate (9), the outer wall of one side of the upper end enclosure (1) is connected with a motor (5) through a bolt, one end of an output shaft of the motor (5) penetrates through the outer wall of one side of the upper end enclosure (1) and is connected with the rotating shaft (8) through a flat key, inner fins (15) distributed at equal intervals are arranged between the upper end enclosure (1) and the lower end enclosure (2), outer fins (13) are arranged between every two adjacent inner fins (15), a partition plate (12) is arranged between each outer fin (13) and each inner fin (15), and a pipe (3) is welded on the, an outlet pipe (4) is welded on the inner wall of the bottom of the lower end enclosure (2).
2. The flow guide structure of the plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger, according to claim 1, is characterized in that a flow guide body (6) is arranged inside the inlet pipe (3), a connecting rod (7) is fixedly inserted inside the flow guide body (6), and two ends of the connecting rod (7) are welded with the inner wall of the inlet pipe (3).
3. The flow guiding structure of a plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger according to claim 1, wherein a flow distribution plate (16) is welded on the inner wall of the upper head (1), and a plurality of small holes (17) are uniformly distributed on the outer wall of the top of the flow distribution plate (16).
4. The flow guiding structure of the plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger is characterized in that two side plates (11) are welded between the upper end enclosure (1) and the lower end enclosure (2), the outer fin (13) and the inner fin (15) are positioned between the two side plates (11), and sealing plates (14) are bonded to two sides of the inner fin (15).
5. The flow guiding structure of the plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger according to claim 1, wherein mounting lugs (10) are welded on the outer walls of the upper head (1) and the lower head (2), and mounting holes are formed in the outer wall on one side of each mounting lug (10).
6. The flow guide structure of the plate-fin heat exchanger for realizing uniform distribution of fluid in the heat exchanger, according to claim 1, is characterized in that grooves (18) are formed in the inner wall of the inlet pipe (3) and are uniformly distributed, a filter screen (19) is arranged in the inlet pipe (3), spring buckles (20) are welded on the top of the filter screen (19) and are uniformly distributed, and the filter screen (19) is clamped with the grooves (18) through the spring buckles (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478969.0U CN212253809U (en) | 2020-04-03 | 2020-04-03 | Plate-fin heat exchanger flow guide structure for realizing uniform distribution of fluid in heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478969.0U CN212253809U (en) | 2020-04-03 | 2020-04-03 | Plate-fin heat exchanger flow guide structure for realizing uniform distribution of fluid in heat exchanger |
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| Publication Number | Publication Date |
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| CN212253809U true CN212253809U (en) | 2020-12-29 |
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| CN202020478969.0U Active CN212253809U (en) | 2020-04-03 | 2020-04-03 | Plate-fin heat exchanger flow guide structure for realizing uniform distribution of fluid in heat exchanger |
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