CN218066050U

CN218066050U - Heat exchanger with bent pipe

Info

Publication number: CN218066050U
Application number: CN202222074366.6U
Authority: CN
Inventors: 钱彬; 朱涔纲
Original assignee: Wuxi Qianwei Chemical Equipment Co ltd
Current assignee: Wuxi Qianwei Chemical Equipment Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-16
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a heat transfer device with return bend, including curved system heat exchange tube one and shell wall, the left side of shell wall is close to upper edge position department and is provided with into female pipe of intaking, the right side of shell wall is close to lower edge position department and is provided with out female pipe of water, one side of intaking female pipe and play female pipe one side alternately is provided with a plurality of curved system heat exchange tube three. The utility model discloses heat transfer device's heat exchange tube is when bending after the innovation, because the shape is unified, when unloading and bending, need not frequently change the mould, and even if because workman's misoperation, make whole root pipe length have changed, also can carry out effective adjustment through the width that the heat exchange tube bent was made, can not arouse the material extravagant, because structural style's change, gaseous in intraductal operation velocity of flow becomes more and designs the matching, the reduction of female pipe trompil quantity, greatly reduced is welding worker's operation demand, the change of a form, and the work efficiency is improved, and the production cost is saved.

Description

Heat exchanger with bent pipe

Technical Field

The utility model relates to a heat transfer device technical field specifically is a heat transfer device with return bend.

Background

The equipment is formed by combining a shell pass and a tube pass, wherein the tube pass is arranged in a shell pass cylinder. The shell side operation medium is hot water, the hot water source can be electric heating water or steam heating or boiler conveying hot water, and the tube side operation medium is low-temperature gas.

Before the technical innovation, the heat exchange tubes are connected with the header pipe in multiple layers, the lengths of the inner heat exchange tube and the outer heat exchange tube are different, heat exchange gas easily goes away from the short tubes, bias flow is caused, the heat exchange efficiency is influenced, moreover, the welding is too much and concentrated, a hole arrangement form is formed, and the thermal stress of welding seams is concentrated.

Among the prior art, original heat transfer device's heat exchange tube is when bending, and length and shape are various, need adjust the change when unloading and bending, cause easily because workman's misoperation to unloading size control is improper, arouses the extravagant phenomenon of material. And when wholly splicing, the number of the pipes is too large, and the heat exchange pipe needs to be reinforced through multiple layers of supports to prevent welding deformation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat transfer device with return bend to in solving the prior art that above-mentioned background art provided, original heat transfer device's heat exchange tube is when bending the system, and length and shape are various, need adjust the change when unloading and bending the system, cause easily because workman misoperation, improper to unloading size control, arouse the extravagant phenomenon of material. And when wholly splicing, the number of the pipes is too large, and the heat exchange pipe needs to be reinforced through multiple layers of supports to prevent welding deformation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the heat exchange device with the bent pipe comprises a first bent heat exchange pipe and a shell wall, wherein a water inlet main pipe is arranged at the position, close to the upper edge, of the left side of the shell wall, a water outlet main pipe is arranged at the position, close to the lower edge, of the right side of the shell wall, a plurality of third bent heat exchange pipes are arranged on one side of the water inlet main pipe and one side of the water outlet main pipe in a crossed mode, the third bent heat exchange pipes are arranged inside the shell wall, and one side of the water inlet main pipe and one side of the water outlet main pipe are arranged inside the shell wall.

Preferably, one side of female pipe of intaking and female pipe one side of going out water all are provided with fixed frame, the equal fixed mounting of inside top and bottom department of fixed frame has deposits the frame, the inside of depositing the frame is close to about lateral wall department all welds spacing frame, the inside of depositing the frame is provided with the elastic sheet, the upper and lower border position that the inside of fixed frame is close to all is provided with the arc, the one side welding of arc has the convex push pedal, the border position department all welds the pushing ram about one side of convex push pedal is close to.

Preferably, one side of one of the fixing frames is fixed to the inner left sidewall of the housing wall, and the other side of the other fixing frame is fixed to the inner right sidewall of the housing wall.

Preferably, the inside of fixed frame all has welded the protection piece in top and bottom, the inside fixed mounting of protection piece has supporting spring, one side of protection piece is provided with the spill ejector pad.

Preferably, the left end and the right end of each elastic sheet are respectively arranged in the two limiting frames, and one side of each arc-shaped plate is in contact with the upper end and the lower end of the water outlet main pipe.

Preferably, one end of the concave push block is arranged inside the protection block, the other end of the concave push block is in contact with one end of the water outlet main pipe, and the other end of the concave push block is fixed with the other end of the support spring.

Preferably, one end of each of the two push posts respectively penetrates through the two limiting frames to be fixed with one side of the elastic sheet, and one end of the convex push plate is arranged in the storage frame.

Preferably, the right side of the first bending heat exchange tube is provided with a second bending heat exchange tube, the right sides of the first bending heat exchange tube and the second bending heat exchange tube are provided with connecting round tubes, and the first bending heat exchange tube and the second bending heat exchange tube are symmetrically arranged relative to the connecting round tubes.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, heat transfer device's heat exchange tube is when bending after the innovation, because the shape is unified, when unloading and bending, need not frequently change the mould, and even if because workman's misoperation, make whole root pipe length have changed, also can carry out effective adjustment through the width that the heat exchange tube bent was made, can not arouse that the material is extravagant, because structural style's change, gaseous in intraductal operation velocity of flow becomes more and designs the matching, the reduction of female pipe trompil quantity, greatly reduced is welding worker's operation demand, the change of a form, the work efficiency is improved, and the production cost is saved.

Drawings

FIG. 1 is a schematic structural view of a heat exchanger with a bent tube according to the present invention;

fig. 2 is a schematic view of three left sides of the bent heat exchange tube of the heat exchange device with the bent tube according to the present invention;

fig. 3 is a schematic view of a bent heat exchange tube of the heat exchange device with a bent tube according to the present invention;

FIG. 4 is a schematic view of the internal structure of the fixing frame of the heat exchanger with bent tubes according to the present invention;

FIG. 5 is a schematic view of a first conventional bent heat exchange tube and a second bent heat exchange tube of the heat exchange device with bent tubes of the present invention;

fig. 6 is a schematic view of the first and second conventional bent heat exchange tubes of the heat exchange device with bent tubes according to the present invention.

In the figure:

1. bending a first heat exchange tube; 2. bending a second heat exchange tube; 3. a housing wall; 4. a water inlet main pipe; 5. a water outlet main pipe; 6. bending a heat exchange tube III; 7. a fixing frame; 8. a protection block; 9. a support spring; 10. a concave push block; 11. a storage frame; 12. a limiting frame; 13. an elastic sheet; 14. an arc-shaped plate; 15. a convex push plate; 16. and (5) pushing the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to FIGS. 1-6: the heat exchange device with the bent pipes comprises a first bent heat exchange pipe 1 and a shell wall 3, a main water inlet pipe 4 is arranged on the left side of the shell wall 3 close to the upper edge, a main water outlet pipe 5 is arranged on the right side of the shell wall 3 close to the lower edge, a plurality of third bent heat exchange pipes 6 are arranged on one side of the main water inlet pipe 4 and one side of the main water outlet pipe 5 in a crossed mode, the plurality of third bent heat exchange pipes 6 are arranged inside the shell wall 3, one side of the main water inlet pipe 4 and one side of the main water outlet pipe 5 are arranged inside the shell wall 3, a second bent heat exchange pipe 2 is arranged on the right side of the first bent heat exchange pipe 1, connecting circular pipes are arranged on the right sides of the first bent heat exchange pipe 1 and the second bent heat exchange pipe 2, and the first bent heat exchange pipe 1 and the second bent heat exchange pipe 2 are symmetrically arranged about the connecting circular pipes.

The whole effect achieved by the novel heat exchange device is that the shape is uniform when the heat exchange tube of the heat exchange device is bent, the mold does not need to be frequently replaced when blanking and bending are carried out, even if the length of the whole tube is changed due to improper operation of workers, the bending width of the heat exchange tube can be effectively adjusted, material waste can not be caused, the operation flow speed of gas in the tube is more matched with the design due to the change of the structural form, the number of the holes formed in the main tube is reduced, the operation requirement of welders is greatly reduced, the working efficiency is improved and the production cost is saved due to the change of one form,

wherein, fig. 5 and fig. 6 are traditional heat transfer device, because the nonconformity of heat transfer pipe length and shape, lead to different heat exchange tube resistance different, lead to the circulation of each pipeline different, lead to the heat exchange efficiency of each pipeline inconsistent, the pipeline is outside by heat transfer medium temperature variation difference great, simultaneously because the side pipeline overlaps, both sides pipeline and middle pipeline and outside of tubes heat transfer medium flow direction contact inhomogeneous, lead to whole heat transfer device heat exchange efficiency lower, the heat transfer area waste of heat exchange tube is more obvious.

As shown in fig. 1 and 4, a fixed frame 7 is disposed on one side of the water inlet main pipe 4 and one side of the water outlet main pipe 5, a storage frame 11 is fixedly mounted at the top end and the bottom end of the inside of the fixed frame 7, a limit frame 12 is welded at the position, close to the left side wall and the right side wall, of the inside of the storage frame 11, an elastic sheet 13 is disposed inside the storage frame 11, arc plates 14 are disposed at the upper edge position and the lower edge position, close to the inside of the fixed frame 7, convex push plates 15 are welded at one side of the arc plates 14, push columns 16 are welded at the position, close to the left edge position and the right edge position, one side of one fixed frame 7 is fixed with the left side wall of the inside of the housing wall 3, the other side of the fixed frame 7 is fixed with the right side wall of the inside of the housing wall 3, protective blocks 8 are welded at the top end and the bottom end inside of the fixed frame 7, support springs 9 are fixedly mounted at the inside of the protective blocks 8, a concave push block 10 is disposed at one side of the left end and the right end of the elastic sheet 13 is disposed inside the two limit frames 12, one side of the concave push plates 14 is contacted with the upper end and the other end of the concave push plates 15, one end of the concave push columns 10, and the other end of the other push plates 10 of the other push plates are contacted with the inner end of the concave push plates 15, and the other end of the concave push plates 10, and the other end of the concave push columns 15, and the other end of the concave push plates 10, and the concave push plates 10, respectively, and the other end of the concave push plates 10, and the other end of the inner side of the concave push plates are contacted with the inner side of the female push plates 15.

The whole effect that reaches does, under two supporting spring 9's elasticity, two supporting spring 9 can promote spill ejector pad 10 respectively and move to the upper and lower end of female pipe 5 that goes out, wherein, under two supporting spring 9's elasticity inside through another fixed frame 7, can make two other spill ejector pads 10 contact to the upper and lower end of female pipe 4 that advances, and then make four groups of spill ejector pads 10 respectively to advance water female pipe 4 and play water female pipe 5 and fix, increase the stability of female pipe 4 and play water female pipe 5 that advances, secondly, under two sets of elastic sheet 13's elasticity, its elastic sheet 13 can promote convex push pedal 15 through two push posts 16 and move, and convex push pedal 15 can promote the arc 14 and move to one side of female pipe 5 that goes out, under the cooperation of two sets of arcs 14, can fix female pipe 5 that goes out, and under the effect of elastic sheet 13 inside another fixed frame 7, as above-mentioned, can fix the upper and lower end of female pipe 4 that advances water female pipe 4, the chicken can fix the one end of female pipe 4 and the female pipe 5 that goes out at the water female pipe 3 that advances with the water female pipe 5 that advances under the effect of the principle of another fixed frame 7, the stability that has increased the water female pipe.

The utility model discloses a theory of operation: the heat exchange tube bending method is characterized in that heat exchange tubes of the same specification and the same length are used, the heat exchange tubes are bent into a uniform shape through a die, the bent heat exchange tubes are symmetrically and uniformly arranged on a gas collection main tube in a staggered manner, so that space is effectively utilized and saved, the heat exchange tubes of the innovative heat exchange device are bent, the die does not need to be frequently replaced during blanking and bending, even if the length of the whole tube is changed due to improper operation of workers, the bent width of the heat exchange tubes can be effectively adjusted, material waste cannot be caused, the flow speed of gas running in the tubes is more matched with the design due to the change of the structural form, the number of holes in the main tube is reduced, the operation requirements of welders are greatly reduced, the working efficiency is improved due to the change of one form, and the production cost is saved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Heat exchange device with return bend, including curved heat exchange tube (1) and shell wall (3), its characterized in that: the left side of shell wall (3) is close to upper edge position department and is provided with into female pipe (4), the right side of shell wall (3) is close to lower edge position department and is provided with out female pipe (5), the one side of intaking female pipe (4) and the female pipe of play (5) one side cross arrangement have a plurality of bent heat exchange tube three (6), a plurality of bent heat exchange tube three (6) all set up the inside at shell wall (3), the one side of intaking female pipe (4) and the female pipe of play (5) one side all set up the inside at shell wall (3).

2. The heat exchange device with the elbow pipe according to claim 1, wherein: one side of female pipe of intaking (4) and female pipe of water (5) one side all are provided with fixed frame (7), the inside top and the equal fixed mounting of bottom department of fixed frame (7) have deposits frame (11), the inside of depositing frame (11) is close to about lateral wall department all welds spacing frame (12), the inside of depositing frame (11) is provided with elastic sheet (13), the upper and lower border position that the inside of fixed frame (7) is close to all is provided with arc (14), one side welding of arc (14) has convex push pedal (15), border position department all welds and has push post (16) about being close to in one side of convex push pedal (15).

3. The heat exchange device with the elbow pipe according to claim 2, wherein: one side of one fixing frame (7) is fixed with the inner left side wall of the shell wall (3), and the other side of the other fixing frame (7) is fixed with the inner right side wall of the shell wall (3).

4. The heat exchange device with the elbow pipe according to claim 2, wherein: the protection block (8) has all been welded on top and bottom in the inside of fixed frame (7), the inside fixed mounting of protection block (8) has supporting spring (9), one side of protection block (8) is provided with spill ejector pad (10).

5. The heat exchange device with the elbow pipe according to claim 2, wherein: the left end and the right end of each elastic sheet (13) are respectively arranged in the two limiting frames (12), and one side of each arc-shaped plate (14) is in contact with the upper end and the lower end of the corresponding water outlet main pipe (5).

6. The heat exchange device with the elbow pipe according to claim 4, wherein: one end of the concave push block (10) is arranged in the protective block (8), the other end of the concave push block (10) is in contact with one end of the water outlet main pipe (5), and the other end of the concave push block (10) is fixed with the other end of the supporting spring (9).

7. The heat exchange device with the elbow pipe according to claim 2, wherein: one end of each of the two push posts (16) respectively penetrates through the two limiting frames (12) to be fixed with one side of the elastic sheet (13), and one end of the convex push plate (15) is arranged inside the storage frame (11).

8. The heat exchange device with the elbow pipe according to claim 1, wherein: the right side of curved system heat exchange tube one (1) is provided with curved system heat exchange tube two (2), the right side of curved system heat exchange tube one (1) and curved system heat exchange tube two (2) all is provided with the connection pipe, two curved system heat exchange tube one (1) and two curved system heat exchange tube two (2) set up about connecting the pipe symmetry.