CN218627914U

CN218627914U - Finned tube for heat pipe type air preheater

Info

Publication number: CN218627914U
Application number: CN202222944878.3U
Authority: CN
Inventors: 郭新华; 田东彪; 王忠学; 郭志勇
Original assignee: Leling Xinhua Energy Saving Equipment Co ltd
Current assignee: Leling Xinhua Energy Saving Equipment Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-14
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a finned tube for heat pipe type air preheater, including the finned tube body, the water inlet has been seted up to the one end of finned tube body, the one end that the finned tube body kept away from the water inlet has been seted up the delivery port, the both ends surface of finned tube body all is provided with the spacing ring, the spacing ring is fixed in respectively the both ends of finned tube body, the surface of finned tube body evenly fixedly connected with a plurality of fin, the outside of fin is provided with the sleeve that prevents the fin scratch object, the sleeve with fin fixed connection; through buffer gear's setting, in the device's use, when the inside liquid of pipeline stops suddenly, can cushion the inertia that liquid produced, when preventing that liquid from stopping suddenly and flowing, because inertial reason, liquid can produce the water hammer effect and strike the pipeline for the pipeline bursts and leaks.

Description

Finned tube for heat pipe type air preheater

Technical Field

The utility model relates to a shelter formula air conditioner correlation technique field specifically is a finned tube that is used for heat pipe formula air preheater to use.

Background

Finned tubes are commonly used in some heat exchange machinery, and the structure of the finned tubes is that spiral fins are usually arranged on the outer wall of a straight tube, so that the heat exchange efficiency is increased by increasing the outer surface of the finned tubes. The fins are welded or clamped with the straight pipes, and the materials of the straight pipes and the fins are usually copper materials, steel materials or aluminum materials.

The patent document with the prior art publication number of CN 204535506U provides a finned tube, and the device fin adopts the fin of straight rectangular shape, and after fin and straight tube body joint, welded connection again, production technology is simpler for helical fin's finned tube like this, and fin and straight tube body contact are good, and there is not the space, and heat-conduction is fast, so can promote heat conduction efficiency, the utility model discloses a finned tube has all set up the heat dissipation decorative pattern of pitted surface on the surface of straight tube body and fin, can further strengthen heat dispersion, but the inside of current finned tube does not have the function of buffering to liquid, when liquid stops flowing suddenly, because inertial reason, liquid can produce the water hammer effect and strike the pipeline for the pipeline bursts and leaks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a finned tube for heat pipe formula air preheater to solve the finned tube that is used for heat pipe formula air preheater of present use who proposes in the above-mentioned background art and uses, the inside of finned tube that has now in the use does not have the function of carrying out the buffering to liquid, when liquid stops flowing suddenly, because inertial reason, liquid can produce the water hammer effect and strike the pipeline, makes the pipeline burst the problem of leaking.

In order to achieve the above object, the utility model provides a following technical scheme: the finned tube for the heat tube type air preheater comprises a finned tube body, wherein a water inlet is formed in one end of the finned tube body, a water outlet is formed in one end of the water inlet, the finned tube body is far away from the water inlet, limiting rings are arranged on the outer surfaces of the two ends of the finned tube body and fixed at the two ends of the finned tube body respectively, a plurality of fins are uniformly and fixedly connected to the outer surface of the finned tube body, sleeves for preventing the fins from scratching objects are arranged on the outer sides of the fins, the sleeves are fixedly connected with the fins, the finned tube body is close to a connecting mechanism for preventing liquid leakage is arranged on the outer surface of the limiting ring, and a buffer mechanism for preventing the tube body from bursting is arranged inside the finned tube body.

Preferably, coupling mechanism includes that the internal thread overlaps, first sealed pad and second are sealed fills up, the finned tube body is close to the surface of spacing ring department all overlaps and is equipped with the internal thread cover, the internal thread cover is close to the first sealed pad of spacing ring department fixedly connected with, the spacing ring is kept away from one side of first sealed pad is provided with the sealed pad of second, the sealed pad of second with finned tube body and spacing ring fixed connection.

Preferably, the buffering mechanism comprises buffering plates and through holes, a plurality of buffering plates are uniformly arranged inside the finned tube body, the buffering plates are fixedly connected with the finned tube body, and the through holes are formed in the center of the buffering plates.

Preferably, the finned tube body comprises a copper tube, a first anti-corrosion layer, a second anti-corrosion layer and a reinforcing layer, the first anti-corrosion layer is coated on the inner wall of the copper tube, the reinforcing layer is fixedly connected to the outer surface of the copper tube, and the second anti-corrosion layer is coated on the outer surface of the reinforcing layer.

Preferably, the first anti-corrosion layer and the second anti-corrosion layer are both made of water-based inorganic self-curing heat-resistant paint, and the reinforcing layer is made of copper-nickel-tin alloy material.

Preferably, the sleeve comprises a scratch-proof pipe and an anti-oxidation layer, and the anti-oxidation layer is coated on the outer surface of the scratch-proof pipe.

Preferably, the scratch-resistant pipe is made of pure aluminum materials, and the oxidation-resistant layer is made of aluminum antioxidants.

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

1. according to the finned tube for the heat tube type air preheater, due to the arrangement of the buffer mechanism, in the using process of the device, when liquid in the pipeline stops suddenly, inertia generated by the liquid can be buffered, and when the liquid stops flowing suddenly, the liquid can generate a water hammer effect to impact the pipeline due to the inertia, so that the pipeline bursts and leaks water;

2. this a finned tube for heat pipe formula air heater uses, through coupling mechanism's setting, in the device's use, the person of facilitating the use installs the finned tube on air heater, and has improved the sealing performance of finned tube and air heater junction, prevents that the junction from taking place the weeping phenomenon.

Drawings

FIG. 1 is a schematic view of the whole day structure of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

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

FIG. 4 is a schematic structural view of the finned tube body of the present invention.

In the figure: 1. a finned tube body; 2. a water inlet; 3. a water outlet; 4. a limiting ring; 5. a fin; 6. a sleeve; 7. a connecting mechanism; 8. a buffer mechanism; 9. an internal thread sleeve; 10. a first gasket; 11. a second gasket; 12. a buffer plate; 13. a through hole; 14. a red copper tube; 15. a first anti-corrosion layer; 16. a second anti-corrosion layer; 17. a scratch-resistant pipe; 18. an anti-oxidation layer; 19. and a reinforcing layer.

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. 1-4, the present invention provides a technical solution: the utility model provides a finned tube for heat pipe formula air preheater, including finned tube body 1, water inlet 2 has been seted up to the one end of finned tube body 1, finned tube body 1 keeps away from the one end of water inlet 2 and has seted up delivery port 3, the both ends surface of finned tube body 1 all is provided with spacing ring 4, spacing ring 4 is fixed in the both ends of finned tube body 1 respectively, the even fixedly connected with a plurality of fin 5 of surface of finned tube body 1, the outside of fin 5 is provided with the sleeve 6 that prevents fin 5 scratch object, sleeve 6 and fin 5 fixed connection, the surface that finned tube body 1 is close to spacing ring 4 department all is provided with the coupling mechanism 7 of leak protection liquid, the inside of finned tube body 1 is provided with the buffer gear 8 that prevents the body and bursts, setting through buffer gear, in the device's use, when the inside liquid of pipeline stops suddenly, can cushion the inertia that liquid produced, when preventing liquid from stopping the flow suddenly, because of inertial reason, liquid can produce the water hammer effect and impact the pipeline, make the pipeline burst leak.

Further, coupling mechanism 7 includes internal thread cover 9, first sealed pad 10 and the sealed 11 of second, finned tube body 1 is close to the surface of spacing ring 4 department and all overlaps and is equipped with internal thread cover 9, internal thread cover 9 is close to the first sealed pad 10 of spacing ring 4 fixedly connected with, one side that first sealed pad 10 was kept away from to spacing ring 4 is provided with the sealed 11 of second, the sealed 11 and finned tube body 1 of second and spacing ring 4 fixed connection, the user rotates behind the connector of internal thread cover 9 cover on the air heater, connector extrusion second sealed pad 11 on the air heater during the rotation, internal thread cover 9 passes through the first sealed pad 10 of spacing ring 4 extrusion simultaneously, and then reach sealed effect, the person of facilitating the use installs the finned tube on the air heater, and the sealing performance of finned tube and air heater junction has been improved, prevent that the junction from taking place the weeping phenomenon.

Further, buffer gear 8 includes buffer board 12 and through-hole 13, finned tube body 1's inside evenly is provided with a plurality of buffer board 12, buffer board 12 all with finned tube body 1 fixed connection, through-hole 13 has all been seted up to the center department of buffer board 12, when the inside liquid of pipeline stops suddenly and flows when producing inertia, the buffer board 12 of finned tube body 1 inside blocks most liquid, make the liquid of subtotal flow through-hole 13, reach the inertia that produces liquid and cushion the purpose, can cushion the inertia that liquid produced, when preventing that liquid from stopping suddenly and flowing, because inertial reason, liquid can produce the water hammer effect and strike the pipeline, make the pipeline burst and leak.

Further, the finned tube body 1 comprises a copper tube 14, a first anti-corrosion layer 15, a second anti-corrosion layer 16 and a reinforcing layer 19, the first anti-corrosion layer 15 is coated on the inner wall of the copper tube 14, the reinforcing layer 19 is fixedly connected to the outer surface of the copper tube 14, the second anti-corrosion layer 16 is coated on the outer surface of the reinforcing layer 19, and the structural strength of the finned tube body 1 and the anti-corrosion performance of the inner wall and the outer wall are improved.

Furthermore, the first anti-corrosion layer 15 and the second anti-corrosion layer 16 both adopt water-based inorganic self-curing heat-resistant paint, the reinforcing layer 19 adopts copper-nickel-tin alloy material, the water-based inorganic self-curing heat-resistant paint has good salt mist resistance and good anti-aging performance, the anti-corrosion performance of the inner wall and the outer wall of the finned tube body 1 is enhanced, the copper-nickel-tin alloy material nickel has a plurality of valuable physical, chemical and mechanical properties, such as high strength and toughness, excellent anti-corrosion performance, good electric vacuum performance, ferromagnetism and the like, and the structural strength of the finned tube body 1 is improved.

Further, the sleeve 6 comprises a scratch-proof pipe 17 and an anti-oxidation layer 18, and the anti-oxidation layer 18 is coated on the outer surface of the scratch-proof pipe 17, so that the sleeve 6 can be effectively prevented from being oxidized.

Further, the scratch-resistant pipe 17 is made of pure aluminum, the oxidation-resistant layer 18 is made of an aluminum antioxidant, and the aluminum antioxidant has the function of preventing the aluminum from being oxidized, so that the service life of the sleeve 6 is prolonged.

The working principle is as follows: the user rotates behind the connector of internal thread cover 9 cover on air heater, connector extrusion second sealed pad 11 on the air heater when rotatory, internal thread cover 9 passes through spacing ring 4 extrusion first sealed pad 10 simultaneously, and then reach sealed effect, the person of facilitating the use installs the finned tube on air heater, and the sealing performance of finned tube and air heater junction has been improved, prevent that the junction from taking place the weeping phenomenon, when the inside liquid of pipeline stops flowing suddenly and produces inertia, the inside buffer plate 12 of finned tube body 1 blocks most liquid, make the liquid of subtotal pass through-hole 13 and flow through, reach the inertia that produces the liquid and carry out the purpose of buffering, can cushion the inertia that produces liquid, when preventing that liquid from stopping flowing suddenly, because inertial reason, liquid can produce the water hammer effect and strike the pipeline, make the pipeline burst leak.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a finned tube for heat pipe formula air preheater uses, includes finned tube body (1), its characterized in that: the water inlet (2) has been seted up to the one end of finned tube body (1), the one end that water inlet (2) was kept away from to finned tube body (1) has seted up delivery port (3), the both ends surface of finned tube body (1) all is provided with spacing ring (4), spacing ring (4) are fixed in respectively the both ends of finned tube body (1), the even fixedly connected with a plurality of fin (5) of surface of finned tube body (1), the outside of fin (5) is provided with sleeve (6) that prevents fin (5) scratch object, sleeve (6) with fin (5) fixed connection, finned tube body (1) is close to the surface of spacing ring (4) department all is provided with coupling mechanism (7) of leak protection liquid, the inside of finned tube body (1) is provided with buffer gear (8) that prevent the body and burst.

2. The fin tube for a heat pipe type air preheater according to claim 1, wherein: coupling mechanism (7) include internal thread cover (9), first sealed pad (10) and the sealed pad (11) of second, finned tube body (1) is close to the surface of spacing ring (4) department all overlaps and is equipped with internal thread cover (9), internal thread cover (9) are close to spacing ring (4) department first sealed pad (10) of fixedly connected with, spacing ring (4) are kept away from one side of first sealed pad (10) is provided with the sealed pad (11) of second, the sealed pad (11) of second with finned tube body (1) and spacing ring (4) fixed connection.

3. The fin tube for a heat pipe type air preheater according to claim 1, wherein: buffer gear (8) include buffer board (12) and through-hole (13), the inside of finned tube body (1) evenly is provided with a plurality of buffer board (12), buffer board (12) all with finned tube body (1) fixed connection, through-hole (13) have all been seted up in the center department of buffer board (12).

4. The fin tube for a heat pipe type air preheater according to claim 1, wherein: the finned tube body (1) comprises a copper tube (14), a first anti-corrosion layer (15), a second anti-corrosion layer (16) and a reinforcing layer (19), wherein the first anti-corrosion layer (15) is coated on the inner wall of the copper tube (14), the reinforcing layer (19) is fixedly connected to the outer surface of the copper tube (14), and the second anti-corrosion layer (16) is coated on the outer surface of the reinforcing layer (19).

5. A fin tube for a heat pipe type air preheater according to claim 4, wherein: the first anti-corrosion layer (15) and the second anti-corrosion layer (16) are both made of water-based inorganic self-curing heat-resistant paint, and the reinforcing layer (19) is made of copper-nickel-tin alloy material.

6. The fin tube for a heat pipe type air preheater according to claim 1, wherein: the sleeve (6) comprises an anti-scraping pipe (17) and an anti-oxidation layer (18), and the anti-oxidation layer (18) is coated on the outer surface of the anti-scraping pipe (17).

7. A fin tube for a heat pipe type air preheater according to claim 6, wherein: the anti-scraping pipe (17) is made of pure aluminum materials, and the anti-oxidation layer (18) is made of aluminum antioxidants.