Cold water coil pipe uniform in heat exchange

By setting flow guide patterns and turbulence components on the inner wall of the chilled water coil, and adjusting the density using heat exchange efficiency adjustment components, the problems of uneven heat exchange on the inner and outer sides of the chilled water coil and the inability to adjust the position efficiency are solved, achieving a more uniform heat exchange effect and flexible efficiency adjustment.

CN223755825UActive Publication Date: 2026-01-02NANYANG ZHONGTONG EXPLOSION PROOF MOTOR ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202423268109.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-02
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing chilled water coils have uneven heat exchange efficiency on the inner and outer sides, and the heat exchange efficiency at different locations cannot be adjusted to meet different operating conditions.

Method used

The inner wall of the cold water coil is equipped with flow guides and turbulence components. The flow is turbulent through the inclined turbulence holes. The coil density is adjusted in combination with the heat exchange efficiency adjustment component to achieve uniform heat exchange. The density adjustment is achieved by adjusting the nut and the support screw.

Benefits of technology

It improves the heat exchange uniformity and flexibility of the inner and outer sides of the chilled water coil, and can adjust the heat exchange efficiency at different locations as needed to adapt to various operating conditions.

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Abstract

The utility model discloses a cold water coil pipe with uniform heat exchange, which relates to the technical field of cold water coil pipes, and comprises a cold water coil pipe body, the inner wall of the cold water coil pipe body is fixedly connected with flow guide lines, the inner part of the cold water coil pipe body is fixedly connected with turbulent flow components at equal intervals, and the turbulent flow components comprise uniform turbulent flow blocks. Uniform turbulent flow blocks are arranged in the cold water coil pipe body, the uniform turbulent flow blocks are fixedly connected with the cold water coil pipe body, first turbulent flow through holes are formed in the uniform turbulent flow blocks, and second turbulent flow through holes are formed in the sides of the first turbulent flow through holes. Cold water fluid on the inner side and cold water fluid on the outer side can be mixed and exchanged, the uniformity of the temperature of cold water on the inner side and the outer side of the coil pipe is conveniently guaranteed, and then the heat exchange uniformity of the inner side and the outer side of the coil pipe is improved; and the heat exchange efficiency of different sections can be adjusted in a targeted manner according to actual requirements.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cold water coil technical field, concretely is a cold water coil that heat exchange is even. BACKGROUND

[0002] When the cold water coil heat exchange is even, the whole coil surface can fully exchange heat with the cooling medium (such as air or other fluid), and the even heat exchange can ensure that the air can transfer the heat to the cold water to the greatest extent when flowing through the coil, thereby improving the overall heat exchange efficiency.

[0003] In the Chinese patent 201721406879.5, the utility model discloses a kind of cold water coils that heat exchange is even, belong to refrigeration machinery technical field, the heat exchange of existing cold water coil top and bottom is small, middle heat exchange is large, overall heat exchange is uneven, heat exchange efficiency is poor, the utility model makes the quantity of heat exchange pipe included in each circuit located at the end of cold water coil be greater than the quantity of heat exchange pipe included in each circuit located at the middle of cold water coil, increase the heat exchange area of cold water coil end circuit, effectively improve the problem that the circuit heat exchange of cold water coil top and bottom is small caused by uneven wind speed, middle circuit heat exchange is large, cold water coil overall heat exchange is uneven, improve the heat exchange efficiency of cold water coil top and bottom circuit, so that the whole cold water coil heat exchange is more even.

[0004] The existing cold water coil exists due to its spiral structure, when cold water flows in its inside, the contact area with the outside of coil is larger, the contact area with the inside of coil turning part is smaller, leading to the difference of heat absorption degree between the inside and outside of coil, and in spiral coil, the contact and heat exchange condition with medium at different positions exist difference, the coil close to water inlet due to water flow just enters, the temperature difference between inside and outside is larger, heat exchange effect is good, but the coil close to water outlet position, heat exchange effect is poor, different working conditions require different heat exchange of cold water coil, in some cases, lower end heat exchange efficiency may be higher than upper end, but in some cases, upper end heat exchange efficiency may be higher than lower end, the heat exchange efficiency of upper and lower ends of existing cold and hot coil cannot be adjusted, difficult to adapt to different situation needs.

[0005] For the above problems, a cold water coil that heat exchange is even is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a cold water coil that heat exchange is even, solves the problem of uneven heat exchange efficiency between inside and outside of coil turning part in background art, and the mismatch between heat exchange efficiency of different positions of existing cold water coil and actual working condition demand.

[0007] To achieve the above object, the utility model provides following technical scheme: a cold water coil that heat exchange is even, including cold water coil tube body, the inner wall fixed connection of cold water coil tube body has guide flow grain, and the inside equal interval fixed connection of cold water coil tube body has the turbulence component, the turbulence component includes uniform turbulence block, and the connecting mode between uniform turbulence block and cold water coil tube body is fixed connection, the inside of uniform turbulence block is equipped with first turbulence through -hole, and the side of first turbulence through -hole is provided with second turbulence through -hole.

[0008] Preferably, the side of the cold water coil tube body is provided with a heat exchange efficiency adjusting assembly, the heat exchange efficiency adjusting assembly comprises a C-shaped clamping block, and the C-shaped clamping block is clamped and connected to the outside of the cold water coil tube body, the end of the C-shaped clamping block is fixedly connected with a lifting block, a lifting through-hole is formed in the middle position of the lifting block, a supporting lead screw penetrates through the inside of the lifting through-hole, a rotating ring is rotatably connected to the inside of the lifting block, the bottom of the rotating ring is integrally connected with a receiving block, and the receiving block is fixedly connected to the upper and lower ends of the adjusting nut.

[0009] Preferably, the guide flow grain is arranged in a threaded manner with respect to the inner wall of the cold water coil tube body.

[0010] Preferably, the first turbulence through-hole and the second turbulence through-hole are both arranged to penetrate the inside of the uniform turbulence block, the shapes of the first turbulence through-hole and the second turbulence through-hole are both arranged in an inclined streamline manner, and the inclined directions of the first turbulence through-hole and the second turbulence through-hole are oppositely arranged.

[0011] Preferably, the first turbulence through-hole and the second turbulence through-hole are not communicated, and the first turbulence through-hole and the second turbulence through-hole are staggered.

[0012] Preferably, the adjusting nut, the receiving block and the lifting block form a rotating structure through the rotating ring, the connecting mode between the adjusting nut and the supporting lead screw is screw connection, the outside of the adjusting nut is fixedly connected with an anti-skid protrusion, and the anti-skid protrusions are arranged in an annular array with respect to the outside of the adjusting nut.

[0013] Preferably, the top end of the supporting lead screw is fixedly connected with an anti-falling top block, the bottom end of the supporting lead screw is fixedly connected with a coil fixing bottom plate, the outer diameter of the anti-falling top block is greater than the inner diameter of the lifting through-hole, and the inner diameter of the lifting through-hole is greater than the outer diameter of the supporting lead screw.

[0014] Preferably, the top end of the cold water coil tube body is communicated with a water inlet pipeline, the bottom end of the cold water coil tube body is communicated with a water outlet pipeline, and the shape of the cold water coil tube body is arranged in a spiral manner.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1. The cold water coil provided by the utility model has uniform heat exchange, under the flow guiding effect of the flow guiding lines arranged in a screw thread shape on the inner wall of the cold water coil pipe body, the fluid in the coil rotates while flowing, so that the different sides of the fluid contact the inner wall of the cold water coil pipe body, the uniformity of heat exchange is improved, the flow disturbing assemblies are arranged at equal intervals in the cold water coil pipe body, the first flow disturbing through hole and the second flow disturbing through hole arranged in an inclined manner have the effect of flow disturbance, can guide the cold water fluid originally located on the inner side of the cold water coil pipe body to the outer side, at the same time, guide the cold water fluid on the outer side to the inner side, mix and exchange, so as to conveniently ensure the uniformity of the cold water temperature on the inner and outer sides of the coil, and improve the uniformity of heat exchange on the inner and outer sides of the coil, at the same time, the porous medium can also play the effect of uniform flow, so that the flow velocity distribution of the fluid in the coil is more uniform, and the uniformity of heat exchange is further improved.

[0017] 2. The cold water coil provided by the utility model has uniform heat exchange, through the heat exchange efficiency adjusting assembly, the height position of the coil of different circle layers can be adjusted, so that the density of the coil at different positions can be adjusted, by changing the density of the coil close to or far from the water inlet and outlet, the uneven heat exchange caused by the water inlet and outlet can be neutralized, so as to conveniently improve the uniformity of heat exchange of the cold water coil, and if necessary, the heat exchange efficiency of different sections of the cold water coil can be adjusted according to actual requirements, so that the overall flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model as a whole;

[0019] Figure 2 It is a sectional structure schematic view of the C-shaped clamping block of the heat exchange efficiency adjusting assembly part of the utility model;

[0020] Figure 3 It is a sectional structure schematic view of the flow disturbing assembly part of the utility model;

[0021] Figure 4 It is an internal structure schematic view of the cold water coil pipe body part of the utility model.

[0022] In the drawing: 1, cold water coil pipe body; 2, flow guiding line; 3, flow disturbing assembly; 301, uniform flow disturbing block; 302, first flow disturbing through hole; 303, second flow disturbing through hole; 4, heat exchange efficiency adjusting assembly; 401, C-shaped clamping block; 402, lifting block; 403, lifting through hole; 404, supporting lead screw; 405, rotating ring; 406, receiving block; 407, adjusting nut; 408, anti-skid protruding block; 409, anti-dropping top block; 5, coil fixing bottom plate; 6, water inlet pipeline; 7, water outlet pipeline. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described in connection with the drawings of the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0024] In order to further understand the content of the present utility model, the present utility model will be described in detail in connection with the drawings.

[0025] Embodiment one

[0026] Please refer to Figure 1 , Figure 3 and Figure 4 The present utility model discloses a cold water coil capable of uniform heat exchange, which comprises a cold water coil body 1, a flow guide line 2 fixedly connected to the inner wall of the cold water coil body 1, and turbulence assemblies 3 fixedly connected to the inside of the cold water coil body 1 at equal intervals, wherein the turbulence assemblies 3 comprise uniform turbulence blocks 301, the connection between the uniform turbulence blocks 301 and the cold water coil body 1 is fixed connection, the inside of the uniform turbulence blocks 301 is provided with first turbulence through holes 302, the side of the first turbulence through holes 302 is provided with second turbulence through holes 303, the flow guide line 2 is arranged in a thread-like manner with respect to the inner wall of the cold water coil body 1, the first turbulence through holes 302 and the second turbulence through holes 303 are both arranged in the inside of the uniform turbulence blocks 301 in a penetrating manner, the shapes of the first turbulence through holes 302 and the second turbulence through holes 303 are both arranged in an inclined streamline manner, the inclined directions of the first turbulence through holes 302 and the second turbulence through holes 303 are arranged in opposite directions, the first turbulence through holes 302 and the second turbulence through holes 303 are not communicated, and the first turbulence through holes 302 and the second turbulence through holes 303 are arranged in an interleaved manner.

[0027] Under the flow guiding effect of the flow guide line 2 arranged in a thread-like manner on the inner wall of the cold water coil body 1, the fluid in the coil will rotate while flowing, so that different sides of the fluid contact the inner wall of the cold water coil body 1. The turbulence assemblies 3 are arranged at equal intervals in the inside of the cold water coil body 1, the turbulence assemblies 3 have complex pore structures in the inside, when the fluid passes through the porous medium turbulence assemblies 3, complex flow paths will be formed in the pores, the first turbulence through holes 302 and the second turbulence through holes 303 arranged in an inclined manner have the effect of turbulence, which can guide the cold water fluid originally located on the inside of the cold water coil body 1 to the outside, and guide the cold water fluid on the outside to the inside at the same time, so as to mix and exchange, thereby ensuring the uniformity of the cold water temperature on the inside and outside of the coil, and improving the uniformity of heat exchange on the inside and outside of the coil. Meanwhile, the porous medium can also have the effect of flow equalization, so that the flow velocity distribution of the fluid in the coil is more uniform, thereby improving the uniformity of heat exchange.

[0028] Example Two

[0029] Please refer to Figure 1 With Figure 2 The utility model discloses a cold water coil of even heat exchange, the side of cold water coil body 1 is provided with heat exchange efficiency adjusting assembly 4, heat exchange efficiency adjusting assembly 4 includes C type clamp block 401, and C type clamp block 401 is clamped and is connected to the outside of cold water coil body 1, and the end of C type clamp block 401 is fixedly connected with lifting block 402, and the middle position of lifting block 402 is provided with lifting through -hole 403, and the inside of lifting through -hole 403 is penetrated with support lead screw 404, and the inside of lifting block 402 is rotatably connected with rotary ring 405, and the bottom of rotary ring 405 is integratively connected with receiving block 406, and receiving block 406 is fixedly connected to the upper and lower ends of adjusting nut 407, and adjusting nut 407 constitutes the rotation structure with lifting block 402 through rotary ring 405, receiving block 406, and the connecting mode between adjusting nut 407 and support lead screw 404 is screw connection, and the outside of adjusting nut 407 is fixedly connected with antiskid boss 408, and antiskid boss 408 is annular array distribution about the outside of adjusting nut 407, and the top of support lead screw 404 is fixedly connected with anti -top block 409, and the bottom of support lead screw 404 is fixedly connected with coil fixed bottom plate 5, and the outer diameter of anti -top block 409 is greater than the inner diameter of lifting through -hole 403, and the inner diameter of lifting through -hole 403 is greater than the outer diameter of support lead screw 404.

[0030] The density of the cold water coil body 1 is increased, and since the contact area of the coil with the outside is increased, the heat exchange efficiency is also increased, so when it is required to keep the heat exchange efficiency of the upper and lower ends of the coil uniform, the density of the coil close to the water inlet pipe 6 in the upper layer is reduced, and the density of the coil close to the water outlet pipe 7 in the lower layer is increased, and when it is required to make the heat exchange efficiency of the coils at different heights different, the density of the coil in a certain section is only required to be increased, and when adjusting, the adjusting nut 407 is rotated, since the adjusting nut 407 and the support lead screw 404 are in screw connection, when the adjusting nut 407 is rotated, it will be adjusted up and down on the support lead screw 404, and then the cold water coil body 1 in the layer is adjusted up and down through the C type clamp block 401, so that the density of the coil can be adjusted.

[0031] Please refer to Figure 1 The utility model discloses a cold water coil of even heat exchange, the top of cold water coil body 1 is connected with water inlet pipe 6, and the bottom of cold water coil body 1 is connected with water outlet pipe 7, and the shape of cold water coil body 1 is spirally arranged.

[0032] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A cold water coil with uniform heat exchange, characterized in that: The utility model provides a cold water coil pipe body (1), the inner wall of cold water coil pipe body (1) is fixedly connected with the flow guide thread (2), and the inside of cold water coil pipe body (1) is fixedly connected with the turbulence component (3) at equal intervals, the turbulence component (3) includes uniform turbulence block (301), and the connecting mode between uniform turbulence block (301) and cold water coil pipe body (1) is fixed connection, the inside of uniform turbulence block (301) is equipped with first turbulence through -hole (302), and the side of first turbulence through -hole (302) is provided with second turbulence through -hole (303), The side of cold water coil pipe body (1) is provided with heat exchange efficiency adjusting assembly (4), the heat exchange efficiency adjusting assembly (4) includes C type clamping block (401), and C type clamping block (401) is clamped and is connected to the outside of cold water coil pipe body (1), the end of C type clamping block (401) is fixedly connected with lifting block (402), and the middle position of lifting block (402) is equipped with lifting through -hole (403), the inside of lifting through -hole (403) is penetrated with support lead screw (404), the inside of lifting block (402) is rotatably connected with rotating ring (405), and the bottom of rotating ring (405) is integrally connected with receiving block (406), and receiving block (406) is fixedly connected to the upper and lower ends of adjusting nut (407).

2. The cold water coil with uniform heat exchange according to claim 1, characterized in that: The flow guide thread (2) is threadedly arranged on the inner wall of the cold water coil pipe body (1).

3. The cold water coil of uniform heat exchange according to claim 1, wherein: The first turbulence through -hole (302) and the second turbulence through -hole (303) are both arranged in the interior of the uniform turbulence block (301), and the shapes of the first turbulence through -hole (302) and the second turbulence through -hole (303) are both inclined streamline.

4. The cold water coil of even heat transfer according to claim 3, characterized in that: The first turbulence through -hole (302) and the second turbulence through -hole (303) are not connected, and the first turbulence through -hole (302) and the second turbulence through -hole (303) are staggered.

5. The cold water coil of even heat transfer according to claim 1, characterized in that: The adjusting nut (407) is rotatably connected to the lifting block (402) through the rotating ring (405) and the receiving block (406), and the adjusting nut (407) is threadedly connected to the support lead screw (404).

6. The cold water coil of uniform heat exchange according to claim 1, wherein: The top end of the support lead screw (404) is fixedly connected with a top anti -falling block (409), and the bottom end of the support lead screw (404) is fixedly connected with a coil pipe fixed bottom plate (5).

7. The cold water coil of even heat transfer of claim 1, wherein: The top end of the cold water coil pipe body (1) is connected with a water inlet pipe (6), and the bottom end of the cold water coil pipe body (1) is connected with a water outlet pipe (7). The cold water coil pipe body (1) is spirally arranged.

Citation Information

Patent Citations

  • Even cold water coiler of heat transfer

    CN207317156U