Micro-channel heat exchanger for dehumidification processing of metal pipe

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a micro-channel heat exchanger for dehumidification processing of metal tubes, which comprises a main body, the main body consists of a first collecting tube, a second collecting tube and fins, and locking tools for fixing two end parts of the fins are arranged on the first collecting tube and the second collecting tube. And the second collecting pipe is provided with two groups of extension end heads which are externally connected with the water inlet end and the water outlet end. A first outer sleeving opening and a first inner sleeving opening are formed in a first collecting pipe and a second collecting pipe; two groups of extension ends are arranged on the second trunk, a connecting hard pipe and a second extension pipe which are of an integrated structure are sleeved through a second outer sleeving opening and a second inner sleeving opening, and a movable cover is screwed on the connecting hard pipe so as to apply pressure to a wedge elastic piston key in a sealing cavity; therefore, the driven piston limiting clamp and the limiting flange are used for limiting and fixing the connecting hard pipe and the second extending pipe which are arranged in the second collecting pipe in a sleeved mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field especially relates to a kind of for metal pipe dehumidification processing's microchannel heat exchanger. BACKGROUND

[0002] Microchannel heat exchanger refers to the heat exchanger with channel equivalent diameter of 10-1000 μm, with dozens of fine flow channels in flat tube, two ends are connected with circular header, and partition is arranged in header, to separate flow channel into several processes. Heat transfer is realized by microcosmic transmembrane synergistic effect of fluid in microchannel, and heat conduction coefficient is related to flow rate, thermal conductivity and channel shape.

[0003] In existing conditions, when metal pipe is dehumidified, to avoid that temperature is too high to affect processing level and environmental safety, so many heat exchangers are equipped to assist heat dissipation, such as the microchannel heat exchanger disclosed in the announcement No.CN205048791U, which designs the inlet pipe into a circular inlet pipe, more refrigerant flows into the flat pipe on both sides of the header, and the refrigerant distribution is relatively uniform for the circular inlet pipe, but the connection between the header and the fin in the microchannel heat exchanger adopts an integrated connection, so that the inlet and outlet pipes are fixedly connected with the header, and after long-term use of the heat exchanger, scale deposition is easily caused by circulation of cooling liquid, and the fixed connection structure is difficult to maintain the structure of the heat exchanger, so that the heat exchanger cannot be conveniently disassembled, and the microchannel heat exchanger is easily blocked, which affects the normal operation of the heat exchanger. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the inconvenient use of the integrated heat exchanger for metal pipe dehumidification in the prior art, and provides a microchannel heat exchanger for metal pipe dehumidification processing.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A microchannel heat exchanger for metal pipe dehumidification processing, comprising a main body, the main body is composed of a first header, a second header and fins, the first header and the second header are provided with locking tools for fixing both ends of the fins, and the second header is provided with two groups of extension heads for connecting water inlet and water outlet.

[0007] Preferably, the first header and the second header are symmetrically arranged, the number of fins is six, and the six fins are linearly and equidistantly distributed between the first header and the second header.

[0008] Preferably, the locking tool comprises a first sleeve opening symmetrically arranged in the first and second collecting pipes, a first inner sleeve opening is arranged in the first sleeve opening and extends inwardly, a first extension pipe extending into the first inner sleeve opening is integrally connected to the both ends of the fin, a communication cavity communicating with the first inner sleeve opening is arranged in the first and second collecting pipes, an elastic driving piston key movably sleeved in one end of the communication cavity and abutting against the fin, a driven piston plug movably sleeved in the other end of the communication cavity, a limiting clamping hole for sleeving the driven piston plug is arranged in the first extension pipe, and a right-angle plate is integrally connected to the both ends of the fin, and a limiting through hole for mounting a screw is arranged in the right-angle plate.

[0009] Preferably, the communication cavity is in a right-angle structure.

[0010] Preferably, the extension end head comprises a second sleeve opening arranged in the second collecting pipe, a second inner sleeve opening extending inwardly is arranged in the second sleeve opening, a connecting hard pipe movably sleeved in the second sleeve opening, a second extension pipe extending into the second inner sleeve opening is integrally connected to the connecting hard pipe, a sealing cavity communicating with the second sleeve opening is arranged in the second collecting pipe, a wedge-shaped elastic piston key is movably sleeved in one end of the sealing cavity, a driven piston limiting clamp is movably sleeved in the other end of the sealing cavity, a moving cover is threadedly mounted on the connecting hard pipe, a cutting surface movably abutting against the wedge-shaped elastic piston key is arranged on the moving cover, and a limiting flange corresponding to the driven piston limiting clamp is integrally sleeved on the second extension pipe.

[0011] Preferably, the sealing cavity is in a U-shaped structure.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model discloses a first sleeve opening and a first inner sleeve opening are arranged in the first and second collecting pipes, a first inner extension pipe integrally connected to the fin is sleeved in the first inner sleeve opening, the fin is used for pressing the elastic driving piston key sleeved in the communication cavity, the driven piston plug is buckled with the limiting clamping hole in the first extension pipe, and the right-angle plate is used for fixing the both end parts of the fin, so that the fin is doublely and firmly connected with the first and second collecting pipes.

[0014] 2. The utility model discloses two groups of extension end heads are arranged on the second collecting pipe, the connecting hard pipe and the second extension pipe of the integrated structure are sleeved in the second sleeve opening and the second inner sleeve opening, the moving cover is screwed on the connecting hard pipe, the wedge-shaped elastic piston key in the sealing cavity is pressed, and the connecting hard pipe and the second extension pipe sleeved in the second collecting pipe are limited and fixed by the driven piston limiting clamp and the limiting flange. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of a micro-channel heat exchanger for metal pipe dehumidification processing is provided in the utility model.

[0016] Figure 2 A sectional view of the micro-channel heat exchanger for metal pipe dehumidification processing is provided in the utility model.

[0017] Figure 3 An enlarged schematic diagram of A part structure of the micro-channel heat exchanger for metal pipe dehumidification processing is provided in the utility model.

[0018] Figure 4 An extension end sectional view of the micro-channel heat exchanger for metal pipe dehumidification processing is provided in the utility model.

[0019] Figure 5 An enlarged schematic diagram of B part structure of the micro-channel heat exchanger for metal pipe dehumidification processing is provided in the utility model.

[0020] In the drawing,

[0021] 1, main body; 11, first collection pipe; 12, second collection pipe; 13, fin;

[0022] 2, locking tool; 21, first outer sleeve mounting port; 22, first inner sleeve mounting port; 23, first extension pipe; 24, communication cavity; 25, elastic driving piston key; 26, driven piston plug; 27, limit bayonet; 28, right-angle plate; 29, limit through hole;

[0023] 3, extension end; 31, second outer sleeve mounting port; 32, second inner sleeve mounting port; 33, connecting hard pipe; 34, second extension pipe; 35, sealing cavity; 36, wedge head elastic piston key; 37, driven piston limit clamp; 38, moving cover; 39, section; 310, limit flange. DETAILED DESCRIPTION

[0024] 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.

[0025] Referring to Figures 1-5 A micro-channel heat exchanger for metal pipe dehumidification processing includes a main body 1, the main body 1 is composed of a first collection pipe 11, a second collection pipe 12 and a fin 13, it needs to be explained that the number of fin 13 is determined according to the structure size of the heat exchanger itself, wherein a plurality of channels are arranged in the fin 13.

[0026] Locking tool 2 for fixing both end parts of fin 13 is arranged on first collection pipe 11 and second collection pipe 12, and specific reference is made to the locking tool 2 in the drawingsFigure 2 With the attached Figure 3 , the locking tool 2 comprises a first outer sleeve opening 21 symmetrically arranged in the first collecting pipe 11 and the second collecting pipe 12, a first inner sleeve opening 22 extending inwardly arranged in the first outer sleeve opening 21, the caliber of the first outer sleeve opening 21 is larger than the caliber of the first inner sleeve opening 22, the first extension pipe 23 extending into the first inner sleeve opening 22 is integrally connected to the both ends of the fin 13, the caliber of the fin 13 is larger than the caliber of the first extension pipe 23, the communication cavity 24 communicating with the first inner sleeve opening 22 is arranged in the first collecting pipe 11 and the second collecting pipe 12, the elastic driving piston key 25 movably sleeving the fin 13 is arranged in one end of the communication cavity 24, the driven piston plug 26 is movably sleeved in the other end of the communication cavity 24, the limiting clamping hole 27 for sleeving the driven piston plug 26 is arranged in the first extension pipe 23, the elastic driving piston key 25 is pressed when the fin 13 sleeves the first extension pipe 23 into the first inner sleeve opening 22, so that the driven piston plug 26 is forced to extend until it is buckled with the limiting clamping hole 27, the right angle plate 28 is integrally connected to the both ends of the fin 13, the limiting through hole 29 for installing screws is arranged in the right angle plate 28, the right angle plate 28 is fixedly clamped on the first collecting pipe 11 and the second collecting pipe 12 to lock and limit the connection.

[0027] Two groups of extension heads 3 for connecting water inlet end and water outlet end are arranged on the second collecting pipe 12, which will be specifically described in the attached Figure 4 With the attached Figure 5 , the extension head 3 comprises a second outer sleeve opening 31 arranged in the second collecting pipe 12, a second inner sleeve opening 32 extending inwardly arranged in the second outer sleeve opening 31, the caliber of the second outer sleeve opening 31 is larger than the caliber of the second inner sleeve opening 32, the connecting hard pipe 33 movably sleeving the second outer sleeve opening 31 is integrally connected with the second extension pipe 34 extending into the second inner sleeve opening 32, the caliber of the connecting hard pipe 33 is larger than the caliber of the second extension pipe 34, the sealing cavity 35 communicating with the second outer sleeve opening 31 is arranged in the second collecting pipe 12, the wedge elastic piston key 36 is movably sleeved in one end of the sealing cavity 35, the driven piston limiting clamp 37 is movably sleeved in the other end of the sealing cavity 35, the moving cover 38 is threadedly installed on the connecting hard pipe 33, the tangent surface 39 movably sleeving the wedge elastic piston key 36 is arranged on the moving cover 38, it is need to be explained that the wedge elastic piston key 36 is continuously pressed by spirally pushing the moving cover 38 along the connecting hard pipe 33, so that the driven piston limiting clamp 37 extends into the second outer sleeve opening 31 until it blocks and limits the limiting flange 310, the limiting flange 310 corresponding to the driven piston limiting clamp 37 is integrally sleeved on the second extension pipe 34.

[0028] The first collecting pipe 11 and the second collecting pipe 12 are arranged symmetrically left and right, the number of the fins 13 is six, and the six fins 13 are linearly and equidistantly distributed between the first collecting pipe 11 and the second collecting pipe 12.

[0029] The communication cavity 24 is a right-angle structure, and the sealing cavity 35 is a U-shaped structure, and it should be noted that the communication cavity 24 and the sealing cavity 35 are filled with hydraulic oil.

[0030] It should be noted that the specific model and specification of the first collecting pipe 11, the second collecting pipe 12 and the fin 13 need to be selected and determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, and thus is not described in detail.

[0031] The function principle of the utility model can be described by the following operation mode:

[0032] The first extension pipe 23 on both ends of the fin 13 is respectively sleeved in the first inner sleeving opening 22, the elastic driving piston key 25 is pressed by the fin 13, the driven piston plug 26 is connected with the limiting clamp 27 through buckling connection;

[0033] The screw is tightened in the limiting through hole 29, so that the both ends of the fin 13 are fixed on the first collecting pipe 11 and the second collecting pipe 12;

[0034] The second extension pipe 34 on the connecting hard pipe 33 is extended into the second inner sleeving opening 32, the spiral movement of the control moving cover 38 is controlled, the wedge head elastic piston key 36 is pressed, the driven piston limiting clamp 37 is abutted with the second extension pipe 34, and the limiting flange 310 is blocked.

[0035] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A microchannel heat exchanger for dehumidification processing of metal tubes, comprising a main body (1), characterized in that, The main body (1) is composed of a first collecting pipe (11), a second collecting pipe (12) and fins (13). The first collecting pipe (11) and the second collecting pipe (12) are provided with locking fixtures (2) for fixing the two ends of the fins (13), and the second collecting pipe (12) is provided with two sets of extension ends (3) for connecting the inlet and outlet of the water.

2. A microchannel heat exchanger for dehumidifying metal tubes according to claim 1, characterized in that, The first collecting pipe (11) and the second collecting pipe (12) are arranged symmetrically on the left and right sides. There are six fins (13), and the six fins (13) are distributed in a straight line at equal intervals between the first collecting pipe (11) and the second collecting pipe (12).

3. A microchannel heat exchanger for dehumidifying metal tubes according to claim 1, characterized in that, The locking fixture (2) includes a first outer sleeve opening (21) symmetrically opened in the first manifold (11) and the second manifold (12). The first outer sleeve opening (21) has an inwardly extending first inner sleeve opening (22). The fins (13) are integrally connected at both ends to first extension tubes (23) extending into the first inner sleeve opening (22). The first manifold (11) and the second manifold (12) have connecting cavities (2) that communicate with the first inner sleeve opening (22). 4) An elastic drive piston key (25) that moves against the fin (13) is movably fitted in one end of the connecting cavity (24), and a driven piston plug (26) is movably fitted in the other end of the connecting cavity (24). A limiting slot (27) for fitting the driven piston plug (26) is provided in the first extension tube (23). A right angle plate (28) is integrally connected to both ends of the fin (13), and a limiting through hole (29) for installing screws is provided in the right angle plate (28).

4. A microchannel heat exchanger for dehumidifying metal tubes according to claim 3, characterized in that, The connecting cavity (24) has a right-angle structure.

5. A microchannel heat exchanger for dehumidifying metal tubes according to claim 1, characterized in that, The extension end (3) includes a second outer sleeve port (31) opened in the second manifold (12), and a second inner sleeve port (32) extending inward is opened in the second outer sleeve port (31). A connecting rigid tube (33) is movably fitted in the second outer sleeve port (31), and a second extension tube (34) extending into the second inner sleeve port (32) is integrally connected to the connecting rigid tube (33). A sealing passage communicating with the second outer sleeve port (31) is opened in the second manifold (12). The cavity (35) is movably fitted with a wedge-head elastic piston key (36) at one end and a driven piston limiting clamp (37) movably fitted at the other end. A movable cover (38) is threaded onto the connecting hard tube (33). A cross-section (39) that movably abuts the wedge-head elastic piston key (36) is opened on the movable cover (38). A limiting flange (310) corresponding to the driven piston limiting clamp (37) is integrally fitted onto the second extension tube (34).

6. A microchannel heat exchanger for dehumidifying metal tubes according to claim 5, characterized in that, The sealed cavity (35) has a U-shaped structure.

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