CN211503804U

CN211503804U - Reverse rotation type laser welding finned tube

Info

Publication number: CN211503804U
Application number: CN201922142797.XU
Authority: CN
Inventors: 王宜露
Original assignee: Yancheng Xinlu Cooling Equipment Co ltd
Current assignee: Yancheng Xinlu Cooling Equipment Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-15
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a contra-rotation is to formula laser welding finned tube, including body, heat conduction pipe box, first conducting strip, second conducting strip, first flange, feed liquor joint, second flange, play liquid joint, cartridge filter, graphite alkene membrane, filter screen and screw thread mounting hole. The utility model discloses contain the heat conduction mechanism, the heat conduction pipe box of heat conduction mechanism cup joints on the body, and the first conducting strip and the second conducting strip of heat conduction mechanism weld on the heat conduction pipe box, have avoided welding the first conducting strip and the second conducting strip causes the emergence of the damage condition to the body, when the welding department is damaged, direct repair welding can, can not damage the body, is favorable to the maintenance of device, is favorable to improving the life of body; the utility model discloses a first conducting strip and second conducting strip compare in traditional spiral fin, and its welding is more convenient, installs simple structure, and it is comparatively convenient to use.

Description

Reverse rotation type laser welding finned tube

Technical Field

The utility model relates to a laser welding finned tube specifically is derotation to formula laser welding finned tube belongs to laser welding finned tube application technical field.

Background

The finned tube is a heat exchange element, in order to improve the heat exchange efficiency, generally the surface of the heat exchange tube is added with fins, the external surface area of the heat exchange tube is increased, thus achieving the purpose of improving the heat exchange efficiency, the heat exchange tube has more varieties, the laser welding finned tube is one of the finned tubes, the laser welding finned tube is used for civil wall-hanging furnaces, industrial boilers and the like, the Germany technology is used, the country has just started to rise, but the heat exchange tube has a history of more than ten years in Europe, the advantages of zero contact thermal resistance, and compared with high-frequency welding, the finned tube has the characteristics of large finned ratio, light weight, compact volume of the assembled heat exchanger, is more energy-saving and environment-.

However, the heat conducting fins of the existing laser welding finned tube are mostly welded on the tube body in a spiral shape, welding is inconvenient, the tube body is easily damaged when the heat conducting fins are welded, the welding position is easily corroded, repair welding is not easy to perform after corrosion, the tube body is easily damaged after corrosion, the service life of the device is not guaranteed, and certain defects exist. Therefore, a counter-rotating laser welded finned tube has been proposed to address the above problems.

Disclosure of Invention

The object of the present invention is to provide a counter-rotating laser welded finned tube for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose, counter-rotating formula laser welding finned tube, including body, first flange, second flange, cartridge filter and heat conduction mechanism, the both ends punishment of body do not the rigid coupling have first flange and second flange, the central department of a side of first flange and second flange rigid coupling has the feed liquor joint respectively and goes out the liquid joint, the feed liquor joint is interior to have seted up the draw-in groove, the cartridge filter has been placed to the joint in the draw-in groove of feed liquor joint, the one end of cartridge filter extends to in the body, the heat conduction mechanism has been cup jointed to the outside of body;

the heat conduction mechanism comprises a heat conduction pipe sleeve, a first heat conduction fin and a second heat conduction fin, the heat conduction pipe sleeve is fixedly sleeved outside the pipe body, and the top and the bottom of the outer wall of the heat conduction pipe sleeve are respectively welded with a plurality of first heat conduction fins and a plurality of second heat conduction fins.

Preferably, the outer wall of the tube body is wrapped with a graphene film, and the graphene film is in contact with the inner wall of the heat-conducting tube sleeve.

Preferably, the pipe body is an aluminum alloy pipe body, and the inner wall of the pipe body is sprayed with a graphite heat-conducting coating.

Preferably, threaded mounting holes are formed in the circumferential shape of one side surface of the first flange and one side surface of the liquid inlet connector, and the number of the threaded mounting holes in the first flange and the liquid inlet connector is six.

Preferably, the first heat-conducting strip and the second heat-conducting strip have the same structure, the first heat-conducting strip is S-shaped, and non-stick coatings are sprayed on the surfaces of the first heat-conducting strip and the second heat-conducting strip.

Preferably, the filter screen is installed to the attached filter screen of installing on a curb plate of cartridge filter, it has to open attached the filter screen of installing on a curb plate of the cartridge filter of fretwork hole, the filter screen is the metal filter screen.

The utility model has the advantages that:

1. the utility model discloses contain the heat conduction mechanism, the heat conduction pipe box of heat conduction mechanism cup joints on the body, and the first conducting strip and the second conducting strip welding of heat conduction mechanism are on the heat conduction pipe box, have avoided welding first conducting strip and second conducting strip to cause the emergence of the damage condition to the body, have also avoided the welding department to corrode and lead to the emergence of the damaged condition of body simultaneously, when the welding department is damaged, direct repair welding can, can not harm the body, be favorable to the maintenance of device, be favorable to improving the life of body;

2. the utility model discloses a first conducting strip and second conducting strip compare in traditional spiral fin, and its welding is more convenient, and the joint has the cartridge filter in the liquid inlet joint of device, and when liquid flowed through the body, must filter a section of thick bamboo through, under the effect of cartridge filter, can filter the great particulate matter of particle diameter in the liquid, are favorable to improving the purity of flowing through body liquid, device simple structure, and it is comparatively convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is the schematic diagram of the internal structure of the tube body of the present invention.

In the figure: 1. the liquid inlet pipe comprises a pipe body, 2, a heat conduction pipe sleeve, 3, a first heat conduction sheet, 4, a second heat conduction sheet, 5, a first flange, 6, a liquid inlet joint, 7, a second flange, 8, a liquid outlet joint, 9, a filter cylinder, 10, a graphene film, 11, a filter screen, 12 and a threaded mounting hole.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the 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 embodiments described below are only some embodiments of the present invention, but 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 belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, the counter-rotating laser welding finned tube includes a tube body 1, a first flange 5, a second flange 7, a filter cartridge 9 and a heat conducting mechanism, where two ends of the tube body 1 are respectively and fixedly connected with the first flange 5 and the second flange 7, centers of one side surfaces of the first flange 5 and the second flange 7 are respectively and fixedly connected with a liquid inlet joint 6 and a liquid outlet joint 8, a slot is formed in the liquid inlet joint 6, the filter cartridge 9 is placed in the slot of the liquid inlet joint 6 in a clamping manner, one end of the filter cartridge 9 extends into the tube body 1, and the heat conducting mechanism is sleeved outside the tube body 1;

the heat conduction mechanism comprises a heat conduction pipe sleeve 2, a first heat conduction sheet 3 and a second heat conduction sheet 4, the heat conduction pipe sleeve 2 is fixedly sleeved outside the pipe body 1, and the top and the bottom of the outer wall of the heat conduction pipe sleeve 2 are respectively welded with the first heat conduction sheet 3 and the second heat conduction sheet 4.

The outer wall of the tube body 1 is wrapped with the graphene film 10, and the graphene film 10 is in contact with the inner wall of the heat-conducting tube sleeve 2, so that the heat-conducting capacity of the device is improved conveniently; the pipe body 1 is an aluminum alloy pipe body, and a graphite heat-conducting coating is sprayed on the inner wall of the pipe body 1; threaded mounting holes 12 are formed in the circumferential shape on one side surfaces of the first flange 5 and the liquid inlet joint 6, and the number of the threaded mounting holes 12 in the first flange 5 and the liquid inlet joint 6 is six, so that the installation of the device is facilitated; the first heat conducting strip 3 and the second heat conducting strip 4 are identical in structure, the first heat conducting strip 3 is S-shaped, the heating area is convenient to increase, non-stick coatings are sprayed on the surfaces of the first heat conducting strip 3 and the second heat conducting strip 4, and dust is convenient to reduce adhesion of dust on the surfaces of the first heat conducting strip 3 and the second heat conducting strip 4; attached filter screen 11 of installing on cartridge filter 9's a curb plate, it has to open attached filter screen 11 of installing on cartridge filter 9's a curb plate in fretwork hole, filter screen 11 is the metal filter screen, the filtration of impurity in the liquid of being convenient for.

When the utility model is used, the heat conducting mechanism of the device is sleeved outside the pipe body 1, when the device is used, the liquid inlet joint 6 of the device is connected with the liquid inlet joint, when the device is used, the boiler flue gas is contacted with the first conducting strip 3 and the second conducting strip 4 of the heat conducting mechanism, according to the heat transfer principle, the heat in the flue gas is transferred to the first conducting strip 3 and the second conducting strip 4, then the heat conducting pipe sleeve 2 is heated, finally, the whole pipe body 1 is heated, and further the liquid flowing in the pipe body 1 can be heated, the heat transfer rate of the device is high, and the first conducting strip 3 and the second conducting strip 4 are welded on the heat conducting pipe sleeve 2, and the heat conducting pipe sleeve 2 is sleeved on the pipe body 1, compared with the mode that the conducting strips are directly welded on the pipe body 1, the damage condition of the pipe body 1 caused by welding of the radiating fins is avoided, meanwhile, the damage condition of the pipe body 1 caused, when first conducting strip 3 and the damaged of 4 welding departments of second conducting strip on heat conduction pipe box 2, direct repair welding can, can not harm body 1, be favorable to the maintenance of device, be favorable to improving the life of body 1 simultaneously, the joint has cartridge filter 9 in the liquid inlet joint 6 of device, when liquid flows through body 1, must strain a section of thick bamboo 9 through straining, under cartridge filter 9's effect, can filter the great particulate matter of particle diameter in the liquid, be favorable to improving the purity of the body 1 liquid of flowing through, device simple structure, high durability and convenient use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The contra-rotation type laser welding finned tube is characterized in that: the heat conduction pipe comprises a pipe body (1), a first flange (5), a second flange (7), a filter cartridge (9) and a heat conduction mechanism, wherein the two ends of the pipe body (1) are fixedly connected with the first flange (5) and the second flange (7) respectively, the center of one side face of each of the first flange (5) and the second flange (7) is fixedly connected with a liquid inlet joint (6) and a liquid outlet joint (8) respectively, a clamping groove is formed in the liquid inlet joint (6), the filter cartridge (9) is placed in the clamping groove of the liquid inlet joint (6) in a clamping mode, one end of the filter cartridge (9) extends into the pipe body (1), and the heat conduction mechanism is sleeved outside the pipe body (1);

the heat conduction mechanism comprises a heat conduction pipe sleeve (2), a first heat conduction fin (3) and a second heat conduction fin (4), the heat conduction pipe sleeve (2) is fixedly sleeved outside the pipe body (1), and the top and the bottom of the outer wall of the heat conduction pipe sleeve (2) are respectively welded with the first heat conduction fin (3) and the second heat conduction fin (4).

2. The counter-rotating laser welded finned tube according to claim 1 wherein: the outer wall of the tube body (1) is wrapped with a graphene film (10), and the graphene film (10) is in contact with the inner wall of the heat-conducting tube sleeve (2).

3. The counter-rotating laser welded finned tube according to claim 1 wherein: the pipe body (1) is an aluminum alloy pipe body, and a graphite heat-conducting coating is sprayed on the inner wall of the pipe body (1).

4. The counter-rotating laser welded finned tube according to claim 1 wherein: threaded mounting holes (12) are all opened to one side of first flange (5) and feed liquor joint (6) circumference form, threaded mounting holes (12) quantity on first flange (5) and the feed liquor joint (6) is six.

5. The counter-rotating laser welded finned tube according to claim 1 wherein: the structure of the first heat-conducting fin (3) is the same as that of the second heat-conducting fin (4), the first heat-conducting fin (3) is S-shaped, and non-stick coatings are sprayed on the surfaces of the first heat-conducting fin (3) and the second heat-conducting fin (4).

6. The counter-rotating laser welded finned tube according to claim 1 wherein: attached filter screen (11) of installing on the curb plate of cartridge filter (9), it installs filter screen (11) to open attached on the curb plate of cartridge filter (9) that has the fretwork hole, filter screen (11) are the metal filter screen.