Heat exchanger with built-in multi-baffling pipeline

Abstract

The heat exchanger with the built-in multi-baffling pipeline comprises two side face connecting pieces, first connecting pipes are installed between the two side face connecting pieces at equal intervals, and the sides, away from each other, of the two side face connecting pieces are each provided with a second connecting pipe. U-shaped connecting pipes are installed on the sides, away from each other, of the two side face connecting pieces at equal intervals, the multiple first connecting pipes, the multiple U-shaped connecting pipes and the two second connecting pipes are combined to form an S-shaped heat exchange pipe, and external assembling units are installed on the outer sides of the two side face connecting pieces. In the working process, the first connecting pipes are installed between the two connecting plates, the second connecting pipes and the U-shaped connecting pipes are installed on the sides, away from each other, of the two connecting plates, and the top plates and the bottom plates are installed on the upper sides and the lower sides of the connecting plates, so that a heat exchange cavity is formed between the two connecting plates; and the two second connecting pipes, the multiple first connecting pipes and the multiple U-shaped connecting pipes form a multi-baffling heat exchange pipeline, so that mounting and dismounting are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchangers, in particular to a heat exchanger with built-in multi-bend pipelines. Background Art

[0002] According to the patent document with authorization publication number "CN208075627U" and invention name "S-type heat exchanger", its description states: An S-type heat exchanger includes a cylinder, a heat transfer tube bundle, and a tube-side joint. The cylinder is open at both ends, and a pipe inlet and a pipe outlet are respectively provided on the side walls of the cylinder, and the pipe inlet and the pipe outlet are connected to the inner cavity of the cylinder. The heat transfer tube bundle includes a plurality of heat transfer tubes, and the heat transfer tubes are provided with foam metal, which matches and is fixedly connected to the heat transfer tubes. The tube-side joint is provided with tube holes matching the heat transfer tube bundle. The tube-side joint is fixedly connected to both ends of the cylinder. The heat transfer tube bundle is arranged in the inner cavity of the cylinder, and the ends of the heat transfer tube bundle are respectively sealed to the tube holes. However, the following defects still exist:

[0003] The S-shaped heat exchange pipe is long and has multiple bends, which makes it difficult to disassemble and assemble the S-shaped heat exchange pipe, and thus difficult to clean and maintain. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a heat exchanger with a built-in multi-bend pipeline, which effectively solves the problem that the S-shaped heat exchange pipeline is long and has multiple bends, making it difficult to clean and maintain.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a heat exchanger with built-in multi-bend pipelines, comprising two side connectors, a first connecting pipe is installed equidistantly between the two side connectors, a second connecting pipe is installed on the side of the two side connectors away from each other, a U-shaped connecting pipe is installed equidistantly on the side of the two side connectors away from each other, a plurality of first connecting pipes, a plurality of U-shaped connecting pipes and two second connecting pipes are combined to form an S-shaped heat exchange tube, and an external assembly is installed on the outside of the two side connectors.

[0006] Preferably, the side connecting member includes a connecting plate, the top and bottom ends of the connecting plate are evenly provided with positioning grooves, fixed connecting pipes are equidistantly installed on both sides of the connecting plate, the two corresponding fixed connecting pipes are connected, and a sealing ring is installed on the inner wall of the fixed connecting pipe.

[0007] Preferably, both ends of the first connecting tube, one end of the second connecting tube and both ends of the U-shaped connecting tube are equipped with connecting heads, the connecting heads are inserted into the fixed connecting tube, and the outer wall of the connecting head is tightly attached to the sealing ring, a snap-fit ​​fixing component is installed between the two adjacent U-shaped connecting tubes and between the U-shaped connecting tube and the second connecting tube, and a snap-fit ​​connecting component is installed on the side wall of the U-shaped connecting tube and the side wall of the second connecting tube.

[0008] Preferably, the external assembly includes a bottom plate arranged below the side connecting piece, a top plate is arranged above the side connecting piece, positioning blocks are evenly installed on the side where the bottom plate and the top plate are close to each other, the positioning blocks are inserted into the positioning grooves, end plates are symmetrically installed at both ends of the top plate, end tubes are installed on the end plates, and the bottom plate, the top plate, the two connecting plates and the inner sides of the two end plates form a heat exchange chamber.

[0009] Preferably, slots are equidistantly provided on both sides of the bottom plate, and screw grooves are evenly provided on the top of the top plate.

[0010] Preferably, the snap-fit ​​fixing assembly includes side panels equidistantly arranged on the sides of the connecting plate, plug blocks are installed on the side panels, the plug blocks are inserted into slots, a cross plate is installed on the top of the side panels, the cross plate is located above the top panel, bolts are installed on the cross plate, the bolts are screwed into the screw grooves, a fixing rod is installed on the side of the side panel away from the connecting plate, two limit plates are installed on the fixing rod, and a snap-fit ​​groove is formed between the two limit plates.

[0011] Preferably, the snap-on connection assembly includes a movable box installed on the side wall of the second connecting tube and the side wall of the U-shaped connecting tube, a snap-on plate is movably installed inside the movable box, an arc groove is opened at one end of the snap-on plate, the arc groove is snapped into the snap-on groove, a spring is symmetrically installed at one end of the snap-on plate located inside the movable box, and one end of the spring is fixedly connected to the inner wall of the end of the movable box.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] During operation, a plurality of first connecting tubes are installed between the two connecting plates, a second connecting tube and a plurality of U-shaped connecting tubes are installed on the side of the two connecting plates away from each other, and a top plate and a bottom plate are installed on the upper and lower sides of the connecting plates, so that a heat exchange cavity is formed between the two connecting plates, and the two second connecting tubes, the plurality of first connecting tubes and the plurality of U-shaped connecting tubes form a multi-bend heat exchange pipe, which is convenient for installation and disassembly. The multi-bend heat exchange pipe can be easily disassembled and assembled, and the cleaning and maintenance of the multi-bend heat exchange pipe are convenient;

[0014] During operation, the plug-in block on the side panel is inserted into the slot, and the bolt on the cross panel is threadedly connected to the screw groove to fix the connecting plate, bottom plate and top plate, and a clamping groove is formed between the two limit plates, and the clamping plates on the side of the second connecting tube and the side of the U-shaped connecting tube are inserted into the clamping groove to fix the second connecting tube and the U-shaped connecting tube, thereby facilitating the disassembly and assembly of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached figure:

[0017] Figure 1 This is a schematic structural diagram of a heat exchanger with built-in multi-bend pipelines according to the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the external assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the side connecting member structure of the present utility model;

[0020] Figure 4 This is a schematic diagram of the structures of the first connecting pipe, the second connecting pipe and the U-shaped connecting pipe of the present invention;

[0021] Figure 5 This is a schematic diagram of the connector structure of the present invention;

[0022] Figure 6 This is a schematic diagram of the structure of the clamping and fixing assembly of the present utility model;

[0023] Figure 7 This is a schematic structural diagram of the snap-fit ​​connection assembly of the present invention.

[0024] In the figure: 1. Side connector; 101. Connecting plate; 102. Positioning groove; 103. Fixed connecting pipe; 104. Sealing ring; 2. External assembly; 201. Bottom plate; 202. Top plate; 203. Positioning block; 204. Slot; 205. Screw groove; 206. End plate; 207. End pipe; 3. First connecting pipe; 4. Second connecting pipe; 5. U-shaped connecting pipe; 6. Snap-fit ​​fixing assembly; 601. Side plate; 602. Insert block; 603. Cross plate; 604. Bolt; 605. Fixing rod; 606. Limiting plate; 7. Snap-fit ​​connecting assembly; 701. Movable box; 702. Snap-fit ​​plate; 703. Arc groove; 704. Spring; 8. Connector. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] Embodiment 1, by Figure 1-7 The utility model relates to a heat exchanger with built-in multi-bend pipelines, comprising two side connectors 1, a first connecting pipe 3 is equidistantly installed between the two side connectors 1, a second connecting pipe 4 is installed on the side of the two side connectors 1 away from each other, and a U-shaped connecting pipe 5 is equidistantly installed on the side of the two side connectors 1 away from each other, a plurality of first connecting pipes 3, a plurality of U-shaped connecting pipes 5 and two second connecting pipes 4 are combined to form an S-shaped heat exchange tube, and an external assembly 2 is installed on the outside of the two side connectors 1.

[0027] The side connector 1 includes a connecting plate 101, and positioning grooves 102 are evenly opened at the top and bottom ends of the connecting plate 101. Fixed connecting pipes 103 are equidistantly installed on both sides of the connecting plate 101. The corresponding two fixed connecting pipes 103 are connected, and a sealing ring 104 is installed on the inner wall of the fixed connecting pipe 103. Connectors 8 are installed at both ends of the first connecting pipe 3, one end of the second connecting pipe 4 and both ends of the U-shaped connecting pipe 5. The connecting head 8 is inserted into the fixed connecting pipe 103, and the outer wall of the connecting head 8 is tightly attached to the sealing ring 104. A snap-fit ​​fixing component 6 is installed between the adjacent two U-shaped connecting pipes 5 and the U-shaped connecting pipe 5 and the second connecting pipe 4. A snap-fit ​​connecting component 7 is installed on the side wall of the U-shaped connecting pipe 5 and the side wall of the second connecting pipe 4. The external assembly 2 includes a bottom plate 201 arranged below the side connector 1, and a top plate 202 is provided above the side connector 1. The bottom plate 201 and the top plate 2 02 are evenly installed with positioning blocks 203 on the side close to each other, and the positioning blocks 203 are inserted into the positioning grooves 102. End plates 206 are symmetrically installed at both ends of the top plate 202, and end tubes 207 are installed on the end plates 206. A heat exchange cavity is formed on the inner sides of the bottom plate 201, the top plate 202, the two connecting plates 101 and the two end plates 206. Slots 204 are equidistantly provided on both sides of the bottom plate 201, and screw grooves 205 are evenly provided on the top of the top plate 202. A plurality of first connecting tubes 3 are installed between the two connecting plates 101, and a second connecting tube 4 and a plurality of U-shaped connecting tubes 5 are installed on the side away from each other of the two connecting plates 101. The top plate 202 and the bottom plate 201 are installed on the upper and lower sides of the connecting plate 101, so that a heat exchange cavity is formed between the two connecting plates 101, and the two second connecting tubes 4, the plurality of first connecting tubes 3 and the plurality of U-shaped connecting tubes 5 form a multi-bend heat exchange pipeline, which is convenient for installation and disassembly.

[0028] The snap-fit ​​fixing assembly 6 includes a side plate 601 equidistantly arranged on the side of the connecting plate 101, an insert block 602 is installed on the side plate 601, the insert block 602 is inserted into the slot 204, a cross plate 603 is installed on the top of the side plate 601, the cross plate 603 is located above the top plate 202, a bolt 604 is installed on the cross plate 603, the bolt 604 is screwed into the inside of the screw groove 205, a fixing rod 605 is installed on the side of the side plate 601 away from the connecting plate 101, two limit plates 606 are installed on the fixing rod 605, and a snap-fit ​​groove is formed between the two limit plates 606, and the snap-fit ​​connection assembly 7 includes a movable box 701 installed on the side wall of the second connecting pipe 4 and the side wall of the U-shaped connecting pipe 5, and a snap-fit ​​plate 70 is movably installed inside the movable box 701 2. An arc groove 703 is provided at one end of the clamping plate 702, and the arc groove 703 is clamped into the clamping groove. A spring 704 is symmetrically installed at one end of the clamping plate 702 located inside the movable box 701, and one end of the spring 704 is fixedly connected to the inner wall of the end of the movable box 701. The plug 602 on the side plate 601 is clamped into the slot 204, and the bolt 604 on the horizontal plate 603 is threadedly connected to the screw groove 205, so as to fix the connecting plate 101, the bottom plate 201 and the top plate 202, and a clamping groove is formed between the two limiting plates 606, and the clamping plate 702 on the side of the second connecting tube 4 and the side of the U-shaped connecting tube 5 is clamped into the clamping groove, so as to fix the second connecting tube 4 and the U-shaped connecting tube 5, thereby facilitating the disassembly and assembly of the equipment.

[0029] Working principle: During operation, first, during installation, the first connecting pipe 3 is equidistantly installed between the two connecting plates 101, and then the two connecting plates 101 are installed on the top of the bottom plate 201, and then the top plate 202 is installed on the top of the two connecting plates 101, so that the positioning blocks 203 on the bottom plate 201 and the top plate 202 are snapped into the positioning grooves 102, so that the end plates 206 at both ends of the top plate 202 are in close contact with the bottom plate 201 and the two connecting plates 101, so that a heat exchange cavity is formed between the two connecting plates 101, the bottom plate 201, the top plate 202 and the two end plates 206;

[0030] Two second connecting tubes 4 and a plurality of U-shaped connecting tubes 5 are respectively installed on the fixed connecting tubes 103 on the side away from each other of the two connecting plates 101, so that the two second connecting tubes 4, the plurality of first connecting tubes 3 and the plurality of U-shaped connecting tubes 5 form an S-shaped multi-baffle heat exchange pipeline, and then the side plates 601 are equidistantly installed on the side walls of the connecting plate 101, the plug blocks 602 are inserted into the slots 204, and the bolts 604 are screwed into the screw grooves 205 at the top of the top plate 202, so as to fix the connecting plate 101, the bottom plate 201 and the top plate 202, and then the clamping plate 702 is clamped into the clamping groove formed between the two limiting plates 606, so as to clamp and fix the second connecting tube 4 and the U-shaped connecting tube 5, thereby facilitating the disassembly and replacement of the second connecting tube 4 and the U-shaped connecting tube 5. When replacing, it is only necessary to push the clamping plate 702 into the movable box 701 so that the clamping plate 702 is disengaged from the clamping groove;

[0031] When in use, the first heat exchange medium passes through the heat exchange cavity, and the second heat exchange medium passes through the S-shaped multi-bend heat exchange pipe to complete the heat exchange.

Claims

1. A heat exchanger with built-in multi-bend piping, comprising two side connectors (1), characterized in that: A first connecting pipe (3) is installed at equal distances between the two side connecting members (1), a second connecting pipe (4) is installed on each side of the two side connecting members (1) away from each other, and a U-shaped connecting pipe (5) is installed on each side of the two side connecting members (1) away from each other. A plurality of first connecting pipes (3), a plurality of U-shaped connecting pipes (5) and two second connecting pipes (4) are combined to form an S-shaped heat exchange pipe, and an external assembly (2) is installed on the outside of the two side connecting members (1).

2. The heat exchanger with built-in multi-bend pipelines according to claim 1, characterized in that: The side connecting member (1) comprises a connecting plate (101), the top and bottom ends of the connecting plate (101) are evenly provided with positioning grooves (102), fixed connecting pipes (103) are equidistantly installed on both sides of the connecting plate (101), the two corresponding fixed connecting pipes (103) are connected, and a sealing ring (104) is installed on the inner wall of the fixed connecting pipe (103).

3. The heat exchanger with built-in multi-bend pipelines according to claim 2, characterized in that: Connectors (8) are installed at both ends of the first connecting tube (3), one end of the second connecting tube (4), and both ends of the U-shaped connecting tube (5). The connecting tube (8) is inserted into the fixed connecting tube (103), and the outer wall of the connecting tube (8) is in close contact with the sealing ring (104). A clamping fixing assembly (6) is installed between two adjacent U-shaped connecting tubes (5) and between the U-shaped connecting tube (5) and the second connecting tube (4). A clamping connecting assembly (7) is installed on the side wall of the U-shaped connecting tube (5) and the side wall of the second connecting tube (4).

4. The heat exchanger with built-in multi-bend pipelines according to claim 1, characterized in that: The external assembly (2) comprises a bottom plate (201) arranged below the side connecting member (1); a top plate (202) is arranged above the side connecting member (1); positioning blocks (203) are evenly installed on the side where the bottom plate (201) and the top plate (202) are close to each other; the positioning blocks (203) are inserted into the interior of the positioning groove (102); end plates (206) are symmetrically installed at both ends of the top plate (202); end tubes (207) are installed on the end plates (206); and a heat exchange cavity is formed inside the bottom plate (201), the top plate (202), the two connecting plates (101) and the two end plates (206).

5. The heat exchanger with built-in multi-bend pipelines according to claim 4, characterized in that: Slots (204) are equidistantly provided on both sides of the bottom plate (201), and screw grooves (205) are evenly provided on the top of the top plate (202).

6. The heat exchanger with built-in multi-bend pipelines according to claim 3, characterized in that: The clamping and fixing assembly (6) comprises a side plate (601) equidistantly arranged on the side of the connecting plate (101), an insert block (602) is installed on the side plate (601), the insert block (602) is clamped into the slot (204), a transverse plate (603) is installed on the top of the side plate (601), the transverse plate (603) is located above the top plate (202), a bolt (604) is installed on the transverse plate (603), the bolt (604) is screwed into the inside of the screw groove (205), a fixing rod (605) is installed on the side of the side plate (601) away from the connecting plate (101), two limit plates (606) are installed on the fixing rod (605), and a clamping groove is formed between the two limit plates (606).

7. The heat exchanger with built-in multi-bend piping according to claim 3, characterized in that: The snap-fit ​​connection assembly (7) comprises a movable box (701) mounted on the side wall of the second connecting tube (4) and the side wall of the U-shaped connecting tube (5); a snap-fit ​​plate (702) is movably mounted inside the movable box (701); an arc groove (703) is formed at one end of the snap-fit ​​plate (702); the arc groove (703) is snapped into the snap-fit ​​groove; a spring (704) is symmetrically mounted on one end of the snap-fit ​​plate (702) located inside the movable box (701); and one end of the spring (704) is fixedly connected to the inner wall of the end portion of the movable box (701).

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