CN210154373U

CN210154373U - Large-distance anti-frosting hydrophobic film aluminum foil heat exchanger

Info

Publication number: CN210154373U
Application number: CN201920287786.8U
Authority: CN
Inventors: 刘红专
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-03-17
Anticipated expiration: 2029-03-07

Abstract

The utility model discloses a large-piece-distance anti-frosting hydrophobic membrane aluminum foil heat exchanger, which comprises a shell, a first water collecting pipe and a second water collecting pipe, wherein the shell comprises side pipe plates arranged at the left side and the right side and top and bottom plates arranged at the upper side and the lower side, the lower end of the first water collecting pipe is provided with a water inlet, the upper end of the second water collecting pipe is provided with a water outlet, the other ends of the first water collecting pipe and the second water collecting pipe are respectively provided with a water collecting pipe blank cover, two rows of copper pipes are arranged between the first water collecting pipe and the second water collecting pipe, the copper pipes are arranged inside the shell, a plurality of hydrophobic membrane aluminum foil groups are arranged on the copper pipes through mechanical or hydraulic expansion joint, each hydrophobic membrane aluminum foil group comprises two hydrophobic membrane aluminum foils which are symmetrically arranged, compared with the prior single hydrophobic membrane aluminum foil technology, under the condition that a die is not changed, the piece distance is increased, the double-flow-channel design is adopted, so that large flow and small temperature difference are realized, the energy efficiency ratio is improved, and the water resistance is reduced.

Description

Large-distance anti-frosting hydrophobic film aluminum foil heat exchanger

Technical Field

The utility model relates to a heat exchanger field, concretely relates to large-chip is apart from hydrophobic membrane aluminium foil heat exchanger of preventing frosting.

Background

In the fields of new energy, refrigeration house refrigeration, food processing and building ventilation air conditioning, a closed cooling tower, a closed heat source tower, an air processing unit and an air conditioner usually adopt a steel plate, a galvanized steel plate or a heat-insulating sandwich plate as a frame and a shell, a motor drives an axial flow fan and a centrifugal fan, air is forced to pass through or naturally passes through an air-water surface type heat exchanger, a surface cooler and an evaporator which are formed by a copper pipe and a common aluminum foil or a hydrophilic aluminum foil, the air is in contact with the outer surface of an aluminum fin, and secondary refrigerant or refrigerant such as water, glycol aqueous solution, antifreeze and the like flows through the copper pipe to exchange heat, so that heat is absorbed from the air or released to the air. The air-water surface type heat exchanger, the surface cooler and the evaporator have the following technical defects in use: in order to increase the heat dissipation area and reduce the fin pitch, the surface of the cooling fin of a closed cooling tower, a closed heat source tower, an ice cold storage system, a water cold storage system, a glycol water solution with the refrigerant temperature lower than 0 ℃, an antifreeze solution and other secondary refrigerants or a refrigerant system with the evaporation temperature lower than 0 ℃ is subjected to affinity with water and easy to frost, so that the heat transfer resistance is increased, the air resistance is increased and the air volume is reduced due to the small fin pitch frost formation, the cooling and heating load is reduced, the energy efficiency ratio is reduced, and the frost melting can not meet the design requirement due to the halt.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model aims to provide a large-distance anti-frosting hydrophobic film aluminum foil heat exchanger with simple structure.

In order to achieve the above object, the utility model adopts the following technical scheme:

big piece is apart from preventing frosting hydrophobic membrane aluminium foil heat exchanger, which comprises a housin, first collector pipe and second collector pipe, the casing is including setting up in the side tube sheet of the left and right sides and setting up in the top bottom plate of upper and lower both sides, first collector pipe lower extreme sets up to the water inlet, second collector pipe upper end sets up to the delivery port, first collector pipe and second collector pipe other end all set up to collector pipe stifle, be provided with two between first collector pipe and the second collector pipe and be listed as copper pipe, the copper pipe sets up inside the casing, it is provided with a plurality of hydrophobic membrane aluminium foil group to connect through machinery or hydraulic pressure swell on the copper pipe, hydrophobic membrane aluminium foil group is including two hydrophobic membrane aluminium foils that the symmetry set.

Preferably, the copper pipe comprises a plurality of water path groups, each water path group comprises a first transverse pipe, a second transverse pipe and an inclined pipe arranged between the first transverse pipe and the second transverse pipe, the first transverse pipe is connected with the inclined pipe through a small copper elbow, the second transverse pipe is connected with the inclined pipe through a large copper elbow, and the heat exchanger with the large copper pipe length can rapidly circulate water through a double-flow-passage design; the gravity self-drainage design can also drain the water in the heat exchanger through self gravity when the machine is stopped.

Preferably, the waterway groups are 40-120 groups, and the plurality of waterway groups are convenient to maintain and replace, can quickly feed water and discharge water, and improve the heat exchange efficiency.

More preferably, the small copper elbow and the large copper elbow are both arranged on the copper pipe through gas welding.

Further preferably, the other end of the first transverse pipe is connected with the first water collecting pipe through a copper elbow, and the other end of the second transverse pipe is connected with the second water collecting pipe through a copper elbow.

Specifically, aforementioned copper elbow is 135 copper elbows, and is more smooth and easy than being convenient for connect the collector pipe, messenger's water route.

Preferably, the height of the hydrophobic film aluminum foil is equal to the distance between two adjacent copper tubes, so that the heat dissipation effect is ensured.

More preferably, the hydrophobic membrane aluminum foil is integrally formed through stamping, the position of the hydrophobic membrane aluminum foil punching string copper pipe is provided with the flanging, the stamping is integrally formed, an original die does not need to be replaced, the cost is saved, the copper pipe is ensured to be in close contact with the flanging hole of the hydrophobic membrane aluminum foil without cracking, and the heat dissipation effect is ensured.

Preferably, the adjacent hydrophobic membrane aluminum foil groups are closely connected, the sum of the lengths of all the hydrophobic membrane aluminum foil groups is smaller than the length of the copper pipe, the installation stability of the hydrophobic membrane aluminum foil groups is ensured, the heat dissipation effect can be effectively improved, the hydrophobic membrane aluminum foils can be protected, damage is reduced, and cost is saved.

Further preferably, the distance between the highest points of the adjacent hydrophobic film aluminum foil groups is more than twice of the flanging height of the single hydrophobic film aluminum foil, so that the distance between the hydrophobic film aluminum foils is increased, the defrosting time is shortened, the cooling and heating load is increased, and the comprehensive energy efficiency ratio is improved.

The utility model discloses an useful part lies in: the air-water surface type heat exchanger, the surface cooler and the evaporator which can increase the sheet distance by one time or more without replacing the mold are produced by the same set of mold, and hydrophobic film aluminum foils are adopted, so that the phenomena that the heat transfer resistance is increased, the cooling and heating load is reduced, and the wind resistance is increased, the frost melting is required to be stopped or the times and the period of the frost melting are effectively reduced due to the fact that the surfaces of cooling fins of a heat source tower, an ice cold storage system, a water cold storage system, a glycol water solution with the refrigerant temperature lower than 0 ℃ and an antifreeze solution or a refrigerant system with the evaporation temperature lower than 0 ℃ are subjected to affinity frost formation with water to cause the increase of the heat transfer resistance and the increase of the cooling and heating load are avoided, the wind resistance is; the copper pipe with larger length adopts a double-flow-passage design, can realize large flow and small temperature difference, improve the energy efficiency ratio and reduce the water resistance; the design of gravity self-drainage is clean, thereby being beneficial to preventing the copper pipe from frost cracking and meeting the design requirement.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is an enlarged view of a portion of I in FIG. 1;

FIG. 5 is a comparison of FIG. 4;

FIG. 6 is an enlarged view of section II of FIG. 2;

fig. 7 is a partially enlarged view of iii in fig. 3.

The meaning of the reference symbols in the figures: 1. side tube plate, 2, top and bottom plates, 3, copper tube, 4, hydrophobic film aluminum foil group, 41, hydrophobic film aluminum foil, 5, copper small elbow, 6, copper large elbow, 7, copper elbow, 8, water collecting tube, 81, first water collecting tube, 82, second water collecting tube, 9, water collecting tube blank cap, 10, water inlet, 11 and water outlet.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Big piece is apart from preventing hydrophobic membrane aluminium foil heat exchanger that frosts, including casing, first collector pipe 81 and second collector pipe 82, the casing is including setting up in the side tube sheet 1 of the left and right sides and setting up in the top bottom plate 2 of both sides from top to bottom, and first collector pipe 81 upper end sets up to water inlet 10, and second collector pipe 82 lower extreme sets up to delivery port 11, and the first collector pipe 81 and the second collector pipe 82 other end all set up to collector pipe stifle 9.

Two rows of copper pipes 3 are arranged between a first water collecting pipe 81 and a second water collecting pipe 82, the copper pipes 3 are arranged inside a shell, each copper pipe 3 comprises a plurality of water path groups, each water path group comprises a first transverse pipe, a second transverse pipe and an inclined pipe arranged between the first transverse pipe and the second transverse pipe, the first transverse pipe is connected with the inclined pipe through a small copper elbow 5, the second transverse pipe is connected with the inclined pipe through a large copper elbow 6, water circulation can be rapidly carried out through double-flow-passage and gravity self-drainage, water subjected to overheat exchange can be discharged through self gravity, the water path groups are provided with 40-120 groups, a plurality of groups of water paths are convenient to maintain and replace, water can be rapidly fed and discharged, the heat exchange efficiency is improved, the small copper elbows 5 and the large copper elbows 6 are arranged on the copper pipes 3 through gas welding, the other end of the first transverse pipe is connected with the first water collecting pipe 81 through a copper elbow 7, the other end of the second transverse pipe is connected with, the copper elbow 7 is a 135-degree copper elbow, and the water collecting pipe is more convenient to connect, so that the water path is smoother.

The copper pipes 3 are provided with a plurality of hydrophobic membrane aluminum foil groups 4 through mechanical or hydraulic expansion joint, each hydrophobic membrane aluminum foil group 4 comprises two hydrophobic membrane aluminum foils 41 which are symmetrically arranged, the height of each hydrophobic membrane aluminum foil 41 is equal to the distance between every two adjacent copper pipes 3, the heat dissipation effect is ensured, the hydrophobic membrane aluminum foils 41 are integrally formed through punching, the copper pipes are connected with each other through punching, flanges are arranged at the positions where the hydrophobic membrane aluminum foils 41 are punched and connected with each other, the original mold is not required to be replaced, the cost is saved, the adjacent hydrophobic membrane aluminum foil groups 4 are tightly connected, the sum of the lengths of all the hydrophobic membrane aluminum foil groups 4 is less than the length of the copper pipes 3, the installation stability of the hydrophobic membrane aluminum foil groups 4 is ensured, the heat dissipation effect can be effectively improved, the hydrophobic membrane aluminum foils 41 can be protected, the damage is reduced, the cost is saved, the space between hydrophobic membrane aluminium foils is increased, the cooling and heating load is improved, and the energy efficiency ratio is improved.

According to the figures 5 and 6, the adjacent hydrophobic film aluminum foils are connected in a secondary flanging embedding and sleeving manner when the hydrophobic film aluminum foils are arranged in a small distance from the copper tube, and the front surfaces and the back surfaces of the adjacent hydrophobic film aluminum foils are connected with each other when the hydrophobic film aluminum foils are arranged in a large distance from the copper tube, so that the distance between the hydrophobic film aluminum foils is increased, and the heat dissipation effect is more obvious.

For better explanation of the present invention, the following description specifically describes the working process thereof:

when the air-conditioning device works, the water inlet is arranged at the lower part, and the water outlet is arranged at the upper part, so that air in the pipe can be conveniently discharged; when the machine is stopped, the valves at the water inlet and the water outlet are closed, the air valve is connected to the water outlet, and the drain valve is connected to the water inlet, so that water is naturally drained through gravity factors.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. Big piece is apart from preventing hydrophobic membrane aluminium foil heat exchanger that frosts, including casing, first collector pipe and second collector pipe, the casing is including setting up in the side tube sheet of the left and right sides and setting up in the top bottom plate of both sides from top to bottom, its characterized in that, first collector pipe lower extreme sets up to the water inlet, second collector pipe upper end sets up to the delivery port, first collector pipe and second collector pipe other end all set up to the collector pipe stifle, be provided with two between first collector pipe and the second collector pipe and be listed as two copper pipes, the copper pipe sets up inside the casing, it is provided with a plurality of hydrophobic membrane aluminium foil group to connect through machinery or hydraulic pressure swell on the copper pipe, hydrophobic membrane aluminium foil group is including two hydrophobic membrane aluminium foils that the symmetry set up.

2. The large-span anti-frosting hydrophobic membrane aluminum foil heat exchanger according to claim 1, wherein the copper pipe comprises a plurality of water path groups, each water path group comprises a first transverse pipe, a second transverse pipe and an inclined pipe arranged between the first transverse pipe and the second transverse pipe, the first transverse pipe is connected with the inclined pipe through a small copper elbow, and the second transverse pipe is connected with the inclined pipe through a large copper elbow.

3. The large-span anti-frosting hydrophobic membrane aluminum foil heat exchanger of claim 2, wherein the water path groups are arranged in 40-120 groups.

4. The large-pitch anti-frosting hydrophobic membrane aluminum foil heat exchanger as claimed in claim 2, wherein the small copper elbow and the large copper elbow are both arranged on the copper pipe by gas welding.

5. The large-span anti-frosting hydrophobic membrane aluminum foil heat exchanger according to claim 2, wherein the other end of the first horizontal tube is connected with the first water collecting tube through a copper elbow, and the other end of the second horizontal tube is connected with the second water collecting tube through a copper elbow.

6. The large-pitch anti-frosting hydrophobic film aluminum foil heat exchanger of claim 5, wherein the copper elbow is a 135 ° copper elbow.

7. The large-pitch anti-frosting hydrophobic membrane aluminum foil heat exchanger as claimed in claim 1, wherein the height of the hydrophobic membrane aluminum foil is equal to the distance between two adjacent copper tubes.

8. The large-span anti-frosting water-repellent film aluminum foil heat exchanger as claimed in claim 1, wherein the water-repellent film aluminum foil is integrally formed by stamping, and a flanging is arranged at the position where the water-repellent film aluminum foil punching hole is connected with the copper tube.

9. The large-span anti-frosting hydrophobic membrane aluminum foil heat exchanger as claimed in claim 1, wherein adjacent hydrophobic membrane aluminum foil groups are tightly connected, and the sum of the lengths of all the hydrophobic membrane aluminum foil groups is less than the length of the copper tube.

10. The large pitch anti-frosting hydrophobic membrane aluminum foil heat exchanger of claim 8, wherein the distance between the highest points of adjacent hydrophobic membrane aluminum foil sets is greater than or equal to two times the flanging height of the single aluminum foil.