CN218846998U

CN218846998U - Finned tube heat exchanger with high heat exchange rate and waste heat boiler thereof

Info

Publication number: CN218846998U
Application number: CN202223046503.1U
Authority: CN
Inventors: 胡浩; 潘振文; 魏全志
Original assignee: Ningxia Zhongwei Yinhe Smelting Co ltd
Current assignee: Ningxia Zhongwei Yinhe Smelting Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-11
Anticipated expiration: 2032-11-16

Abstract

The utility model provides a finned tube heat exchanger of high heat exchange rate and exhaust-heat boiler thereof belongs to heat exchanger technical field. The finned tube heat exchanger with high heat exchange rate and other heat boilers comprise a first fixing plate and a fixed heat exchange assembly. After long-time waste heat power generation, after first finned tube 3 and second finned tube 9 all appear wearing and tearing, can be through rotating spacing pivot 4, thereby make first finned tube 3 and second finned tube 9 take out from fixed heat exchange assemblies, so as to change, accomplish the change back, can rotate spacing pivot 4 once more, thereby first finned tube 3 and second finned tube 9 reinsert fixed heat exchange assemblies, change alone first finned tube 3 and second finned tube 9 according to different wearing and tearing degrees, can avoid extravagant, thereby reduce manufacturing cost, and screw thread structure's first finned tube 3 and second finned tube 9 can make its area of contact with waste gas bigger again, thereby promote heat transfer area, improve waste heat power generation efficiency.

Description

Finned tube heat exchanger with high heat exchange rate and waste heat boiler thereof

Technical Field

The utility model relates to a heat exchanger technical field particularly, relates to a finned tube heat exchanger of high heat exchange rate and exhaust-heat boiler thereof.

Background

The finned tube heat exchanger is widely applied to power, chemical engineering, petrochemical engineering, air conditioning engineering and refrigeration engineering, such as a surface air cooler, an air heater and a fan coil used in the air conditioning engineering. The air cooler evaporator, the frost-free refrigerator evaporator and the like used in the refrigeration engineering are not only suitable for the flow of single-phase fluid, but also have great value on phase change heat exchange. The utility model discloses the high temperature waste gas that make full use of production was discharged carries out waste heat power generation, reduces the production power consumption by a wide margin, accords with "minimizing, recycle, resourceization" principle of building saving type society. In the publication of: CN 211626209U discloses a finned tube heat exchanger of high heat exchange rate and exhaust-heat boiler thereof which is characterized in that: the finned tube type heat exchanger comprises a coil, a first end cover, a second end cover and finned tubes, wherein the coil penetrates through the first end cover and the second end cover in a snake-shaped mode to form an integral frame; the finned tube is sleeved on the outer wall of the coil between the first end cover and the second end cover in a mutually parallel mode and can rotate around the coil; a first fluid flows in the coil, and a second fluid flows in the space outside the finned tube; the finned tubes are arranged to form a plurality of longitudinal rows of finned tubes, one end of each finned tube in each longitudinal row of finned tubes is provided with a gear to form a gear set, and the gears in the gear set are in meshing transmission with each other; the gear at the uppermost end of the gear set is connected with a transmission mechanism, the transmission mechanism is connected with a driving device to drive the gear set to rotate, and the gear set rotates to drive each finned tube to rotate.

In the process of implementing the above technical solution, the inventor finds that at least the following problems exist in the prior art: because utilize waste gas waste heat to generate electricity, the finned tube of windward side will be easily worn and torn, and the device is all worn and torn the back at the finned tube at both ends, can't change the finned tube alone to can promote manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a finned tube heat exchanger of high heat exchange rate and exhaust-heat boiler thereof aims at improving and can't change alone the finned tube to can promote manufacturing cost problem.

The utility model discloses a realize like this:

a finned tube heat exchanger with high heat exchange rate and other heat boilers comprise a first fixing plate and a fixed heat exchange assembly.

Wherein fixed heat exchange assembly includes second fixed plate, two first finned tubes, a plurality of spacing pivot, a plurality of first arc tube, a plurality of second finned tube, two second arc tube, a plurality of torque spring, a plurality of connecting axle, a plurality of spacing hole, a plurality of joint piece, a plurality of connecting hole and two third arc tubes, one side of first fixed plate is located to the second fixed plate, and is a plurality of the joint hole is all seted up in the one end of second fixed plate, and the one end of first fixed plate is all seted up to a plurality of connecting hole, and is a plurality of joint piece fixed connection respectively in a plurality of the circumference inner wall in joint hole, two first finned tube difference sliding connection is in joint hole and connecting hole, and is a plurality of the second finned tube is respectively sliding connection in joint hole and connecting hole, and is a plurality of the one end of first fixed plate is all rotated and is connected in the one end of first fixed plate, and a plurality of the connecting axle rotates respectively and is connected in the one end of spacing pivot respectively in the one end of second fixed tube, the one end of second arc tube respectively two second fixed plate, a plurality of second arc tube respectively.

In a specific embodiment, one end of each of the two first finned tubes is fixedly connected with an inlet pipe.

In a specific embodiment, one end of the second fixing plate is fixedly connected with two air ducts.

In a specific embodiment, one end of the first fixing plate is provided with a cold liquid tank.

In a specific embodiment, one end of the second fixing plate is provided with a steam tank.

In a specific embodiment, the circumferential surface of the cold liquid tank is provided with two introduction holes.

In a specific embodiment, the circumferential surface of the steam tank is provided with two air guide holes.

In a specific embodiment, the circumferential surface of the steam tank is provided with an outlet hole.

In a specific embodiment, both of the introduction tubes are fixedly connected within the introduction hole.

In a specific embodiment, the two air guide pipes are fixedly connected in the air guide holes.

The beneficial effect of this application is: when waste heat power generation is carried out by utilizing waste gas discharged in production, the waste gas can be led in from the front end of the device, so that the waste gas can pass through the first finned tube and the second finned tube, then liquid is injected into the first finned tube and the second finned tube through the lead-in pipe, the waste heat in the waste gas is conducted into the liquid through the heat conduction of the first finned tube and the second finned tube, the first finned tube and the second finned tube can be damaged in different degrees due to long-time waste heat power generation, the limiting rotating shaft can be rotated at the moment, because one end of the limiting rotating shaft is fixedly connected with a torsion spring, the other end of the torsion spring is fixedly connected into the limiting hole, one end of the limiting rotating shaft is fixedly connected with a connecting shaft, the connecting shaft is rotatably connected into the limiting hole, therefore, after the limiting rotating of the limiting rotating shaft, the first finned tube and the second finned tube can be drawn out of the first fixed plate together with the first finned tube and then replaced, the finned tube is completed, the finned tube can be rotated again, so that the first finned tube and the second finned tube can be clamped into the first fixed plate and the second finned tube, and the second finned tube can be clamped into the first fixed plate, and the second finned tube, so that the waste heat generation block can be clamped into the second finned tube, and the second waste heat generation block can be clamped into the second waste heat generation block, and the second waste heat generation block can be prevented from being clamped into the first fixed plate, and the second waste heat generation hole, and the second waste heat generation block can be clamped into the second waste heat generation block, and the waste heat generation block can be clamped into the second waste heat generation hole Third arc pipe, form closed circuit between a plurality of first arc pipes, and the circumferential surface of first finned tube and second finned tube is the helicitic texture, through such design, not only can make the area of contact of first finned tube and second finned tube and waste gas bigger, can also be at long-time waste heat power generation, lead to first finned tube and second finned tube to damage the back, can be more convenient change it, change first finned tube and second finned tube alone according to different wearing and tearing degrees, can avoid extravagant, thereby reduce manufacturing cost, and the first finned tube and the second finned tube of helicitic texture can make its area of contact with waste gas bigger again, so that waste heat power generation efficiency promotes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a finned tube heat exchanger and a waste heat boiler thereof with high heat exchange rate according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a second perspective structure of a finned tube heat exchanger and its exhaust-heat boiler according to an embodiment of the present invention;

fig. 3 is a schematic view of a first perspective structure of a fixed heat exchange assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of a second perspective structure of a fixed heat exchange assembly according to an embodiment of the present invention;

fig. 5 is a schematic view of a third perspective structure of a fixed heat exchange assembly according to an embodiment of the present invention;

fig. 6 is a schematic view of a fourth view structure of the embodiment of the present invention.

In the figure: 1. a first fixing plate; 2. a second fixing plate; 3. a first finned tube; 4. a limiting rotating shaft; 5. a first arcuate tube; 6. an introducing pipe; 7. a cold liquid tank; 8. a steam tank; 9. a second finned tube; 10. a lead-out hole; 11. an air duct; 12. an air vent; 13. an introduction hole; 14. a second arcuate tube; 15. a torsion spring; 16. a connecting shaft; 17. a limiting hole; 18. a clamping hole; 19. a clamping block; 20. connecting holes; 21. a third arced tube.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the 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.

Examples

Referring to fig. 1 to 6, the present invention provides a finned tube heat exchanger with high heat exchange rate and a waste heat boiler thereof, including a first fixing plate 1 and a fixed heat exchange assembly, the fixed heat exchange assembly includes a second fixing plate 2, two first finned tubes 3, a plurality of limit rotating shafts 4, a plurality of first curved tubes 5, a plurality of second finned tubes 9, two second curved tubes 14, a plurality of torsion springs 15, a plurality of connecting shafts 16, a plurality of limit holes 17, a plurality of clamping holes 18, a plurality of clamping blocks 19, a plurality of connecting holes 20 and two third curved tubes 21, the second fixing plate 2 is disposed at one side of the first fixing plate 1, a plurality of clamping holes 18 are disposed at one end of the second fixing plate 2, a plurality of connecting holes 20 are disposed at one end of the first fixing plate 1, a plurality of clamping blocks 19 are fixedly connected to the inner circumferential wall of the plurality of clamping holes 18, two first finned tubes 3 are slidably connected to the clamping holes 18 and the connecting holes 20, the plurality of second finned tubes 9 are slidably connected to the clamping holes 18 and the connecting holes 20, one end of the first finned tubes 9 is connected to one end of the second fixing plate 14, one end of the second finned tube is connected to the connecting shaft 17, one end of the second fixing plate 14, one end of the second finned tube 14, one end of the limiting shaft 17 is connected to the second fixing plate, one end of the second limiting shaft 14, one end of the second plate, one end of the second limiting shaft 14 is connected to the second limiting shaft 14, one end of the second limiting pipe, one end of the second limiting tube 14, one end of the limiting shaft is connected to the limiting shaft 14, one end of the second limiting tube, one end of the second limiting hole, one end of the second limiting shaft is connected to the second limiting hole, one end of the second limiting tube 14, one end of the second limiting tube can be connected to the second limiting shaft, one end of the limiting tube, one end of the second limiting shaft 14, the waste gas can pass through the first finned tube 3 and the second finned tube 9, then liquid is injected into the first finned tube 3 and the second finned tube 9 through the lead-in pipe 6, the waste heat in the waste gas is conducted into the liquid through the heat conduction of the first finned tube 3 and the second finned tube 9, the first finned tube 3 and the second finned tube 9 can be damaged in different degrees due to long-time waste heat generation, at the moment, the limiting rotating shaft 4 can be rotated, the first finned tube 3 and the second finned tube 9 can be extracted from the first fixed plate 1 together with the first arc-shaped tube 5 to replace the finned tube after one end of the limiting rotating shaft 4 is fixedly connected with the torsion spring 15, the other end of the torsion spring 15 is fixedly connected into the limiting hole 17, the limiting rotating shaft 4 is fixedly connected with the connecting shaft 16, the connecting shaft 16 is rotatably connected into the limiting hole 17, therefore, after the limiting rotating of the limiting rotating shaft 4, the first finned tube 3 and the second finned tube 9 can be extracted from the first arc-shaped tube 1 to replace the first finned tube, after the finned tube 3 is placed into the first finned tube 1, the finned tube 9, the finned tube 2 can be rotated again to clamp the second finned tube 3 and clamp the second finned tube 9, the finned tube 3 and the second finned tube 9 can be clamped into the first fixed plate, the four blocks can be clamped into the four blocks, and the four blocks can be clamped into the holes 18, thus, the four blocks can be prevented from being clamped into the finned tube 3, after the finned tube 9, and a closed loop is formed between the second arc-shaped pipe 14, the third arc-shaped pipe 21 and the plurality of first arc-shaped pipes 5, the circumferential surfaces of the first finned pipes 3 and the second finned pipes 9 are both in a threaded structure, and in the specific implementation process, shells can be additionally arranged on the surfaces of the first finned pipes 3 and the second finned pipes 9 according to actual conditions, so that waste gas is prevented from being directly discharged into the air after waste heat power generation, waste gas can be prevented from contacting with the air in advance, and heat loss is avoided (not shown in the figure).

Please refer to fig. 1 to 2, in an embodiment of the present invention, an end of each of two first fin tubes 3 is fixedly connected with an ingress pipe 6, an end of each of two second fixing plates 2 is fixedly connected with two air ducts 11, an end of each of the first fixing plates 1 is provided with a cold liquid tank 7, an end of each of the second fixing plates 2 is provided with a steam tank 8, a circumferential surface of the cold liquid tank 7 is provided with two ingress holes 13, a circumferential surface of the steam tank 8 is provided with two air guide holes 12, a circumferential surface of the steam tank 8 is provided with an egress hole 10, two ingress pipes 6 are fixedly connected in the ingress holes 13, two air ducts 11 are fixedly connected in the egress holes 12, the cold liquid tank 7 is arranged at one end of the first fixing plates 1, cold liquid can be introduced into a closed loop through the ingress pipe 6, so that the waste gas passes through the waste gas, the heat in the waste gas can be conducted into the cold liquid, and the liquid is in a steam state after the heat conduction is completed, the liquid is changed into a steam tank 8 through the air duct 11, and then is led out from the egress hole 10, thereby facilitating the power generation operation.

Specifically, the finned tube heat exchanger with high heat exchange rate and the waste heat boiler thereof have the working principle that: when waste heat power generation is carried out by utilizing waste gas, waste gas can be led in from one end, the waste gas is enabled to pass through the first finned tube 3 and the second finned tube 9, cold liquid in the cold liquid tank 7 is led into a loop through the lead-in tube 6, heat in the waste gas is conducted into the cold liquid, the waste gas is enabled to be gasified, steam is led into the steam tank 8 through the air guide tube 11, the steam is led out through the lead-out hole 10, follow-up power generation operation is conducted, after long-time waste heat power generation, after the first finned tube 3 and the second finned tube 9 are worn, the limiting rotating shaft 4 can be rotated again, the fixed heat exchange assembly is inserted into the first finned tube 3 and the second finned tube 9 again, the first finned tube 3 and the second finned tube 9 are independently replaced according to different wear degrees, waste can be avoided, production cost is reduced, the contact area between the first finned tube 3 and the second finned tube 9 of the thread structure and the waste gas can be larger, and the waste heat generation efficiency is improved.

It should be noted that the specific model specification of the torsion spring needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A finned tube heat exchanger with high heat exchange rate and a waste heat boiler thereof are characterized by comprising a first fixing plate (1);

a fixed heat exchange assembly, the fixed heat exchange assembly comprises a second fixing plate (2), two first finned tubes (3), a plurality of limit rotating shafts (4), a plurality of first arc-shaped tubes (5), a plurality of second finned tubes (9), two second arc-shaped tubes (14), a plurality of torsion springs (15), a plurality of connecting shafts (16), a plurality of limit holes (17), a plurality of clamping holes (18), a plurality of clamping blocks (19), a plurality of connecting holes (20) and two third arc-shaped tubes (21), the second fixing plate (2) is arranged at one side of the first fixing plate (1), the clamping holes (18) are all arranged at one end of the second fixing plate (2), the connecting holes (20) are all arranged at one end of the first fixing plate (1), the clamping blocks (19) are respectively fixedly connected with the circumferential inner walls of the clamping holes (18), the two first finned tubes (3) are respectively connected with the clamping holes (18) and the connecting holes (20) in a sliding manner, the second finned tubes (9) are respectively connected with the ends of the limiting finned tubes (18) and the connecting holes (17), the first fixing plate (17) is respectively connected with the ends of the limiting finned tubes (17), the connecting shafts (17) in a rotating manner, a plurality of connecting axle (16) respectively fixed connection in the one end of spacing pivot (4), it is a plurality of the one end of torsion spring (15) respectively fixed connection in spacing hole (17), it is a plurality of first arc pipe (5) respectively fixed connection in the one end of second finned tube (9), two second arc pipe (14) respectively fixed connection in the one end of first fixed plate (1) and second finned tube (9), two third arc pipe (21) respectively fixed connection in the one end of second finned tube (9).

2. The finned tube heat exchanger and the waste heat boiler thereof with high heat exchange rate as claimed in claim 1, wherein one end of each of the two first finned tubes (3) is fixedly connected with an inlet tube (6).

3. The finned tube heat exchanger and the waste heat boiler thereof with high heat exchange rate as claimed in claim 1, wherein one end of the second fixing plate (2) is fixedly connected with two air ducts (11).

4. The finned tube heat exchanger and its waste heat boiler of high heat exchange rate according to claim 1, characterized in that one end of the first fixed plate (1) is provided with a cold liquid tank (7).

5. The finned tube heat exchanger and its waste heat boiler of high heat exchange rate according to claim 1, characterized in that one end of the second fixing plate (2) is provided with a steam pot (8).

6. The finned tube heat exchanger and the waste heat boiler thereof with the high heat exchange rate as claimed in claim 4, wherein two lead-in holes (13) are formed in the circumferential surface of the cold liquid tank (7).

7. The finned tube heat exchanger and the waste heat boiler thereof with high heat exchange rate as claimed in claim 5, wherein the circumferential surface of the steam tank (8) is provided with two air guide holes (12).

8. The finned tube heat exchanger and its exhaust-heat boiler of high heat exchange rate of claim 5, characterized in that, the circumference surface of the steam pot (8) is equipped with lead-out hole (10).

9. The finned tube heat exchanger and its waste heat boiler of high heat exchange rate according to claim 2, characterized in that both of the inlet tubes (6) are fixedly connected in the inlet holes (13).

10. The finned tube heat exchanger and the waste heat boiler thereof with high heat exchange rate as claimed in claim 3, wherein the two air ducts (11) are fixedly connected in the air guide holes (12).