U-shaped heat pipe heat recovery device

Abstract

The utility model discloses a U-shaped heat pipe heat recovery device which comprises a U-shaped heat pipe. The upper end of the U-shaped heat pipe is movably sleeved with a sleeve, a flow guide spiral piece is arranged on the outer arc face of the sleeve, a sealing cover is arranged at the left end of the sleeve, a fixing base is arranged at the right end of the sleeve, an outer pipe is arranged between the sealing cover and the fixing base, the flow guide spiral piece is located in the outer pipe, a conical hole is formed in the middle of the fixing base, and an elastic conical sleeve is installed in the conical hole. The U-shaped heat pipe is sleeved with the elastic conical sleeve, the right end of the fixing base is in threaded connection with the pressing cap, the pressing cap and the elastic conical sleeve are arranged in a matched mode, according to the U-shaped heat pipe heat recovery device, the spiral medium flow channel is installed outside the U-shaped heat pipe, the heat exchange surface area is large, the good absorption effect on heat of the U-shaped heat pipe is achieved, the heat recovery efficiency is greatly improved, and the service life of the U-shaped heat pipe is prolonged. And the medium flow channel is replaceable, so that the use cost is reduced, the replacement is convenient, and the use convenience is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat recovery device technical field, concretely is U type heat pipe heat recovery device. BACKGROUND

[0002] At present, heat pipe technology is widely used in aerospace, military and radiator manufacturing industry, in the evaporation section of heat pipe, the working liquid in the tube core is heated and evaporated, and takes away the heat, the heat is the latent heat of evaporation of working liquid, steam flows to the condensing section of heat pipe from the center channel, and condenses into liquid, and releases latent heat, under the action of capillary force, the liquid returns to the evaporation section, so that a closed cycle is completed, thereby a large amount of heat is transmitted from the heating section to the heat dissipation section, then the heat of heat dissipation section is used to heat water or other medium to realize heat recovery, the existing U type heat pipe heat recovery device, the heat dissipation end of U type heat pipe is generally directly soaked in water for heat conduction, the structure is simple, and the use cost is low, but the surface of U type heat pipe is smooth, and the surface area is small, and the flow guiding effect on water body is poor, and the flow path is short, and the heat exchange efficiency is low, and the heat recovery efficiency has room for improvement, and the medium container is fixedly connected with the U type heat pipe, when the medium container is damaged, the two need to be replaced at the same time, and the use cost is large. CONTENT

[0003] The utility model solves the technical problem of overcoming the defects of the prior art, provides U type heat pipe heat recovery device, the outer portion of U type heat pipe is installed with the medium flow channel of spiral, has larger heat exchange surface area, has good absorption effect on the heat of U type heat pipe, greatly improves heat recovery efficiency, the medium flow channel can be replaced, helps to reduce use cost, is convenient to replace, and good in use convenience, can effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: U type heat pipe heat recovery device, including U type heat pipe;

[0005] U type heat pipe: the upper end movably sleeved with sleeve is provided with the outer camber of sleeve, and the outer camber of sleeve is provided with the flow guide spiral piece, the left end of sleeve is provided with the cover, the right end of sleeve is provided with the fixed seat, the cover and fixed seat are provided with the outer tube between, the flow guide spiral piece is located in the inside of outer tube, the middle part of fixed seat is provided with the tapered hole, the inside of tapered hole is installed with the elastic tapered sleeve, the elastic tapered sleeve is sleeved in the outside of U type heat pipe, the right end of fixed seat is threadedly connected with the pressure cap, and the pressure cap is matched with the elastic tapered sleeve, and the medium flow channel of spiral is installed in the outside of U type heat pipe, the medium is spirally flowed in the outside of heat pipe, and there is larger heat conduction area, and then the heat of U type heat pipe has good absorption effect, greatly improves heat recovery efficiency, and the medium flow channel can be replaced, and U type heat pipe can continue to be used, and it is convenient to replace and good in use convenience.

[0006] Further, the elastic conical sleeve is provided with uniformly distributed contraction joints at both left and right ends, facilitating elastic contraction of the elastic conical sleeve.

[0007] Further, the outer arc surface of the pressure cap is provided with uniformly distributed arc grooves at the right end, and the outer arc surface of the fixing seat is provided with a torsion sleeve, facilitating rotation control of the pressure cap.

[0008] Further, the outer tube is provided with a helical groove inside, and the outer cylindrical surface of the flow guide helical fin is located inside the helical groove, providing support for the flow guide helical fin.

[0009] Further, the outer arc surface of the sleeve is provided with a heat conduction helical fin, the pitch of the heat conduction helical fin is consistent with that of the flow guide helical fin, and the outer arc surface of the heat conduction helical fin is provided with uniformly distributed open grooves, increasing the surface area of the sleeve.

[0010] Further, the outer fixing sleeve composed of the cover, the fixing seat and the outer tube is provided with a heat preservation sleeve, reducing heat loss.

[0011] Further, the left end of the fixing seat and the inner small annular groove of the cover are both provided with a sealing ring I, and the sealing ring I is arranged in cooperation with the sleeve; the large annular groove inside the outer tube is provided with a sealing ring II, and the left sealing ring II is arranged in cooperation with the cover, and the right sealing ring II is arranged in cooperation with the fixing seat, improving the sealing performance of the connection.

[0012] Compared with the prior art, the U-shaped heat pipe heat recovery device has the following advantages:

[0013] 1. The medium flow channel is spirally arranged outside the U-shaped heat pipe, the medium spirally flows outside the heat pipe, has a large heat conduction area and a long path, and has a good heat absorption effect on the heat of the U-shaped heat pipe, greatly improving the heat recovery efficiency.

[0014] 2. The medium flow channel is arranged outside the U-shaped heat pipe by sleeving, is coaxially clamped and fixed by the conical elastic clamp sleeve, and can be replaced when the flow channel is blocked or damaged, so that the U-shaped heat pipe can continue to be used, which helps to reduce the use cost and is convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a sectional view of the outer tube of the utility model;

[0017] Figure 3 It is an enlarged structural schematic view of A of the utility model;

[0018] Figure 4The utility model discloses B place amplification structure schematic diagram.

[0019] In the drawing: 1U type heat pipe, 2 sleeve, 3 cover, 4 fixed seat, 5 flow guide helical fin, 6 outer tube, 7 conical hole, 8 elastic conical sleeve, 9 pressure cap, 10 torsion cover, 11 arc slot, 12 shrinkage joint, 13 sealing ring one, 14 sealing ring two, 15 helical groove, 16 heat conduction helical fin, 17 opening slot, 18 heat preservation cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: U type heat pipe heat recovery device, including U type heat pipe 1;

[0022] U-shaped heat pipe 1: its upper end is movably sleeved with sleeve pipe 2, and the lower end of U-shaped heat pipe 1 is the evaporation end; when the lower end of U-shaped heat pipe 1 is heated, the liquid in the wick rapidly evaporates, takes away heat, and flows to the condensation section of the upper end under the action of pressure difference; in the condensation section, the steam condenses into liquid and releases latent heat; the heat on the surface of U-shaped heat pipe 1 is transferred to the wall of sleeve pipe 2; the liquid in U-shaped heat pipe 1 flows back to the evaporation section under the action of capillary force, completes the closed cycle, realizes the rapid conduction of heat, and the outer arc surface of sleeve pipe 2 is provided with flow guide spiral fins 5; the left end of sleeve pipe 2 is provided with a cover 3; the right end of sleeve pipe 2 is provided with a fixing seat 4; an outer pipe 6 is arranged between cover 3 and fixing seat 4; cover 3 and fixing seat 4 seal the two ends of the interlayer of sleeve pipe 2 and outer pipe 6; the external water flow enters the inside of outer pipe 6 through the water inlet pipe on the left side of outer pipe 6; the water flow spirally flows around sleeve pipe 2 along flow guide spiral fins 5 in the interstice between outer pipe 6 and sleeve pipe 2; the water flow drives the heat of sleeve pipe 2, and then the heated water is discharged through the water outlet pipe on the right side of outer pipe 6; flow guide spiral fins 5 are located in the inside of outer pipe 6; a tapered hole 7 is arranged in the middle part of fixing seat 4; an elastic tapered sleeve 8 is arranged in the inside of tapered hole 7; elastic tapered sleeve 8 is sleeved with U-shaped heat pipe 1 outside; a compression cap 9 is threadedly connected to the right end of fixing seat 4; compression cap 9 is arranged in cooperation with elastic tapered sleeve 8; the elastic tapered sleeve 8 is extruded by compression cap 9 after the compression cap 9 is tightened; the left and right ends of elastic tapered sleeve 8 are both provided with uniformly distributed contraction joints 12; elastic tapered sleeve 8 is provided with contraction joints 12 itself and is arranged in the inside of tapered hole 7; under the extrusion action, elastic tapered sleeve 8 is contracted to clamp U-shaped heat pipe 1, so as to realize the fixed installation of sleeve pipe 2; the right end of the outer arc surface of compression cap 9 is provided with uniformly distributed arc grooves 11; arc grooves 11 facilitate the rotation of compression cap 9; a torsion sleeve 10 is fixedly sleeved with the right end of the outer arc surface of fixing seat 4; the surface of torsion sleeve 10 has two rectangular pieces, which facilitate the rotation limitation of fixing seat 4; a spiral groove 15 is arranged in the inside of outer pipe 6; the outer circular surface of flow guide spiral fins 5 is located in the inside of spiral groove 15; spiral groove 15 provides support for flow guide spiral fins 5 and facilitates the connection and sealing of flow guide spiral fins 5 and outer pipe 6; heat conduction spiral fins 16 are arranged on the outer arc surface of sleeve pipe 2; the pitch of heat conduction spiral fins 16 is consistent with that of flow guide spiral fins 5, so as to avoid the intersection of heat conduction spiral fins 16 and flow guide spiral fins 5; the outer arc surface of heat conduction spiral fins 16 is provided with uniformly distributed open grooves 17; heat conduction spiral fins 16, open grooves 17 and flow guide spiral fins 5 increase the heat dissipation surface area of sleeve pipe 2, so as to have good heat exchange effect; the whole outer part of cover 3, fixing seat 4 and outer pipe 6 is fixedly sleeved with a heat preservation sleeve 18; heat preservation sleeve 18 is a rubber heat preservation sleeve, which reduces the loss of heat; the inside of the small annular groove of the left end of fixing seat 4 and the inside of the small annular groove of cover 3 are both provided with sealing rings one 13; sealing rings one 13 are arranged in cooperation with sleeve pipe 2; the inside of the large annular groove of the left and right ends of outer pipe 6 is both provided with sealing rings two 14; the left sealing ring two 14 is arranged in cooperation with cover 3; the right sealing ring two 14 is arranged in cooperation with fixing seat 4; sealing rings two 14 and sealing rings one 13 are both rubber sealing rings.The sealing ring two 14 improves the sealing performance of the connection between the fixed seat 4, the cover 3 and the outer pipe 6, and the sealing performance of the connection between the fixed seat 4, the cover 3 and the sleeve pipe 2.

[0023] The working principle of the U-shaped heat pipe heat recovery device is as follows: the lower end of the U-shaped heat pipe 1 is an evaporation end, when the lower end of the U-shaped heat pipe 1 is heated, the liquid in the wick rapidly evaporates, takes away heat, and flows to the condensation section of the upper end under the action of the pressure difference, in the condensation section, the vapor condenses into liquid, releases latent heat, the heat on the surface of the U-shaped heat pipe 1 is transferred to the wall of the sleeve pipe 2, the liquid in the U-shaped heat pipe 1 returns to the evaporation section under the action of the capillary force, completes the closed cycle, realizes the rapid conduction of heat, the water flow enters the inside of the outer pipe 6 through the water inlet pipe on the left side of the outer pipe 6, the water flow spirally flows around the sleeve pipe 2 along the flow guide spiral piece 5 in the gap between the outer pipe 6 and the sleeve pipe 2, the water flow drives the heat of the sleeve pipe 2, then the heated water is discharged through the water outlet pipe on the right side of the outer pipe 6, meanwhile, the heat conduction spiral piece 16, the open slot 17 and the flow guide spiral piece 5 increase the heat dissipation surface area of the sleeve pipe 2, thereby having good heat exchange effect, greatly improving the heat exchange efficiency, when the inside of the outer pipe 6 is damaged and needs to be replaced, one hand holds the twist sleeve 10 and the other hand twists the pressure cap 9, the pressure cap 9 is loosened and does not extrude the elastic conical sleeve 8, the elastic conical sleeve 8 naturally expands to loosen the U-shaped heat pipe 1, then the twist sleeve 10 drives the sleeve pipe 2 to separate from the upper end of the U-shaped heat pipe 1 through the fixed seat 4, thereby the whole replacement of the parts outside the sleeve pipe 2 is realized, when a new sleeve pipe 2 is installed at the upper end of the U-shaped heat pipe 1, heat-conducting silicone grease can be applied on the surface of the sleeve pipe 2, so as to reduce the gap between the U-shaped heat pipe 1 and the sleeve pipe 2 and ensure that the U-shaped heat pipe 1 has good heat conduction efficiency on the sleeve pipe 2, when installed in place, the pressure cap 9 extrudes the elastic conical sleeve 8, the elastic conical sleeve 8 is provided with a contraction joint 12 and is installed in the conical hole 7, under the extrusion action, the elastic conical sleeve 8 contracts to clamp the U-shaped heat pipe 1, so as to realize the fixed installation of the sleeve pipe 2.

[0024] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation in the utility model specification and the attached drawings or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A U-tube heat pipe heat recovery device, characterized by: The utility model provides a heat pipe, comprising a U-shaped heat pipe (1); The utility model discloses a U-shaped heat pipe (1), the outer arc surface of sleeve pipe (2) is equipped with the spiral flow vane (5) on the upper end movable sleeve of which, the left end of sleeve pipe (2) is equipped with the cover (3), the right end of sleeve pipe (2) is equipped with fixed seat (4), the cover (3) and fixed seat (4) between are equipped with outer tube (6), the spiral flow vane (5) is located in the inside of outer tube (6), the middle part of fixed seat (4) is equipped with the tapered hole (7), and the tapered hole (7) is installed with elastic tapered sleeve (8), and elastic tapered sleeve (8) sleeve is connected in the outside of U-shaped heat pipe (1), and the right end of fixed seat (4) is connected with the pressure cap (9), and the pressure cap (9) is cooperated with elastic tapered sleeve (8) arrangement.

2. The U-tube heat pipe heat recovery device according to claim 1, characterized in that: The left and right ends of the elastic tapered sleeve (8) are evenly provided with contraction joints (12).

3. The U-tube heat pipe heat recovery device according to claim 1, characterized in that: The right end of the outer arc surface of the pressure cap (9) is evenly provided with arc grooves (11), and the right end of the outer arc surface of the fixed seat (4) is fixedly provided with a torsion sleeve (10).

4. The U-tube heat pipe heat recovery device according to claim 1, wherein: The inside of the outer tube (6) is provided with a spiral groove (15), and the outer circular surface of the spiral flow vane (5) is located in the inside of the spiral groove (15).

5. The U-tube heat pipe heat recovery device according to claim 1, wherein: The outer arc surface of the sleeve pipe (2) is provided with a heat-conducting spiral vane (16), the pitch of the heat-conducting spiral vane (16) is consistent with that of the spiral flow vane (5), and the outer arc surface of the heat-conducting spiral vane (16) is provided with evenly distributed open grooves (17).

6. The U-tube heat pipe heat recovery device according to claim 1, wherein: The fixed seat (4), the cover (3) and the outer tube (6) are integrally provided with a heat preservation sleeve (18).

7. The U-tube heat pipe heat recovery device according to claim 1, wherein: The left end of the fixed seat (4) and the inside of the cover (3) are provided with sealing rings (13), the sealing rings (13) are matched with the sleeve pipe (2), the inside of the large annular groove of the outer tube (6) is provided with sealing rings (14), the left sealing ring (14) is matched with the cover (3), and the right sealing ring (14) is matched with the fixed seat (4).

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