CN218442794U - Multi-tube single-channel heat exchanger with water box - Google Patents

Abstract

The utility model discloses a multitube single channel takes water box heat exchanger, include: the heat exchanger comprises a water box bottom, a water joint, a filter screen, a water box cover and a first heat absorption sheet, wherein two water box bottoms are arranged, and a plurality of elliptical heat exchange tubes are arranged on the inner side of the inner end of the water box bottom at equal intervals; the water joint is fixedly communicated with the lower side of the outer end of the water box bottom, and the lower side of the left water joint monomer is fixedly communicated with a transfer box. This multi-pipe single-channel water box heat exchanger, the semicircle elbow of current adoption has been replaced to the form of being convenient for through the water box bottom, the connection between the main waterway channel has been realized, the length of circulation water route has been shortened, user's use experience has been improved, and be convenient for reduce the not in-place condition of current heat exchanger welding, the qualification rate of product has been improved, the heat transfer is effectual, and be convenient for filter letting in water, clear up filtering material, avoid filtering material damage to block up this heat exchanger.

Description

Multi-tube single-channel heat exchanger with water box

Technical Field

The utility model relates to a gas hanging stove heat exchanger field specifically is a multitube single channel area water box heat exchanger.

Background

The combustion mode of the heat exchanger of the gas wall-hanging furnace is that natural gas is combusted in the atmosphere, then the heat exchanger absorbs heat through the heat absorbing sheets and the main water channel, the heat is converted into heat exchange media of the main water channel, and the temperature of the heat exchange media is increased, so that the heat exchange media bring heat energy out of the heat exchanger and send the heat energy to places needing to provide the heat energy.

However, in the existing single-channel heat exchanger, the main water channel is connected by the semicircular elbow, so that the whole circulating water channel is easily longer, the welding points are more, and the situation that the welding is not in place is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multitube single channel area water box heat exchanger to propose current single channel heat exchanger in solving above-mentioned background art, adopt semicircle elbow to connect between its main waterway, it is longer easily to lead to whole circulation waterway, and its solder joint position is more, easily takes place the problem of the not in-place condition of welding.

In order to achieve the above purpose, the utility model provides a following technical scheme: a multi-tube, single-pass, water box-in-box heat exchanger comprising:

the water tank comprises two water tank bottoms, and a plurality of elliptical heat exchange tubes are arranged on the inner side of the inner end of each water tank bottom at equal intervals;

the water passing joint is fixedly communicated with the lower side of the outer end of the bottom of the water box, and the lower side of the left water passing joint single body is fixedly communicated with a transfer box;

the filter screen is attached to the inner side of the middle part of the transfer box, and fixing strips are attached to the outer sides of the left end and the right end of the filter screen;

the water box cover is embedded, fitted and fixed at the outer sides of the left end and the right end of the elliptical heat exchange tube, and a second sealing gasket fixedly adhered to the inner side of the inner end of the water box cover is arranged on the inner side of the inner end of the water box cover;

the first heat absorption sheets are arranged on the outer side of the middle of the elliptical heat exchange tube at equal intervals, and the outer sides of the first heat absorption sheets are provided with symmetrical limiting plates.

Preferably, the water box bottom is arranged in a central symmetry mode about the elliptical heat exchange tube, and the elliptical heat exchange tube and the water box bottom form a communicating structure.

Preferably, the valve is installed to the lower extreme inboard of transfer case, and the fixed strip is fixed integrated structure with the transfer case to the rear side of transfer case is provided with the case lid of screw fixation with it.

Preferably, the middle part inboard of case lid is inlayed and is connected with the transparent plate, and the outer end front side of case lid is pasted and is fixed with the first sealed pad of being connected with the inseparable laminating of transfer case.

Preferably, the water box cover is connected with the water box bottom in a riveting mode, the water box cover is symmetrically arranged around the oval heat exchange tube, and the second sealing gasket is tightly attached to the oval heat exchange tube.

Preferably, the first heat absorbing sheet and the second heat absorbing sheet are alternately nested outside the middle part of the elliptical heat exchange tube, the first heat absorbing sheet and the second heat absorbing sheet are connected in a buckling mode, the limiting plates are nested outside the left end and the right end of the elliptical heat exchange tube, and the second heat absorbing sheet and the limiting plates are connected in a buckling mode.

Preferably, the first heat absorbing sheet and/or the second heat absorbing sheet comprise fin bodies, the left end and the right end of each fin body are connected with fin chords in an integrated forming mode, and the left side and the right side of the upper end of each fin body are provided with process holes;

the fin body comprises elliptical water pipe mounting holes, wherein the elliptical water pipe mounting holes are arranged in the middle of the fin body at equal intervals and are connected with an elliptical pipe for connecting a water passing channel;

further comprising:

the first flue convex hulls are arranged at the upper end of the fin body and are arranged at equal intervals at the upper end of the fin body, and the first flue convex hulls are combined with the second flue convex hulls to split smoke;

and the limiting mechanisms are symmetrically arranged at the left end and the right end of the fin body and are used for fixing and installing the fin body.

Preferably, a pair of second flue convex hulls is arranged below the first flue convex hull, the protruding directions of the second flue convex hulls are respectively positioned at two sides of the fin, and a flue flow guide hole group is arranged below the second flue convex hull.

Preferably, the heat exchanger further comprises a flue flow guide hole group, the flue flow guide hole group is arranged between the adjacent elliptical water pipe mounting holes, the flow guide hole group is provided with a plurality of flow guide holes, and the flow guide holes are provided with side walls protruding outwards the fins.

Preferably, the limiting mechanism comprises a fixed connecting block with a positioning function, a fixed connecting plate in a U-shaped structure, a fixed connecting groove formed in one side of the fixed connecting plate, which is close to the vertical central axis of the fin body, and a fixed connecting bolt with a limiting function;

the limiting mechanism is used for limiting the space between the fin string and the external mounting shell

Compared with the prior art, the beneficial effects of the utility model are that: the multi-pipe single-channel heat exchanger with the water box is convenient to replace the existing semicircular elbow by the form of the bottom of the water box, realizes the connection between main water channels, shortens the length of a circulating water path, improves the use experience of a user, is convenient to reduce the condition that the existing heat exchanger is not welded in place, improves the qualification rate of products, has good heat exchange effect, is convenient to filter the introduced water, cleans filtered substances, and avoids the damage of the filtered substances to block the heat exchanger;

1. the water box comprises a water box bottom, an elliptical heat exchange tube, a water connector and a water box cover, wherein the water box bottom fixedly communicated with the water connector is arranged at the outer side of the left end and the right end of the elliptical heat exchange tube in a central symmetry manner, the water box cover is connected with the outer side of the inner end of the water box bottom in a riveting manner, and the elliptical heat exchange tube and the water box bottom form a communicated structure through the water box cover fixed outside and a second sealing gasket tightly attached and connected outside, so that the existing semicircular elbow is replaced by the form of the water box bottom, the connection between main water channel channels is realized, the length of a circulating water channel path is shortened, the use experience of a user is improved, the condition that the existing heat exchanger is not welded in place is reduced, and the product qualification rate is improved;

2. the heat exchanger is provided with the elliptical heat exchange tube, the first heat absorption sheets and the second heat absorption sheets which are alternately connected in a buckling mode are embedded and sleeved on the outer side of the middle of the elliptical heat exchange tube, and the first heat absorption sheets and the second heat absorption sheets are arranged on the outer side of the middle of the elliptical heat exchange tube at equal intervals, so that the heat exchanger is good in heat exchange effect;

3. be provided with transfer case, filter screen, fixed strip and case lid, because the inboard of transfer case is provided with the filter screen that is supported by the fixed strip, the rear side fix with screw of transfer case has the inboard case lid of inlaying the connection transparent plate, is convenient for consequently filter letting in water, clears up the filtrations, avoids the filtrations damage to block up this heat exchanger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the front section structure of the connection between the transfer box and the filter net of the present invention;

fig. 7 is a schematic front view of a heat absorbing sheet according to an embodiment of the present invention;

FIG. 8 is an enlarged view of the structure at B in FIG. 7;

FIG. 9 is a schematic view of a connection top-down structure of the fin body, the first flue convex hull, the second flue convex hull and the oval water pipe mounting hole;

fig. 10 is a schematic structural diagram of a connection front view of the fixed connection block, the fixed connection plate and the fixed connection bolt.

In the figure: 1. a water box bottom; 2. an elliptical heat exchange tube; 3. a water connection joint; 4. a transfer box; 5. a valve; 6. a filter screen; 7. a fixing strip; 8. a box cover; 9. a transparent plate; 10. a first seal gasket; 11. a water tank cover; 12. a second gasket; 13. a first heat absorbing sheet; 14. a limiting plate; 15. the second heat absorbing sheet 21 and the fin body; 22. a fin chord; 23. a fabrication hole; 24. a first flue convex hull; 25. a second flue convex hull; 26. an elliptical water pipe mounting hole; 27. a flue guide hole group; 29. a limiting mechanism; 30. fixing a connecting block; 31. fixing the connecting plate; 32. fixing and connecting grooves; 33. and fixing the connecting bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: when the multi-pipe single-channel heat exchanger with the water box is used, as shown in a figure 1, a figure 2, a figure 3 and a figure 4, the water through pipe can be fixedly connected with the middle rotating box 4 and the water through connector 3 on the right, so that the water through pipe can be communicated with the water through connector 3 fixedly connected with the lower part of the water box bottom 1, then the valve 5 connected with the lower part of the middle rotating box 4 can be opened, so that water in the left water through pipe can pass through the water box bottom 1, the elliptical heat exchange pipe 2 and the water through connector 3 to the right water through pipe, and then chemical energy is converted into ellipse through combustion of natural gas, so that flame heats the heat exchange pipe 2, the first heat exchange pipe 13 and the second heat exchange pipe 15 from bottom to top, and heat is transferred to a heat absorbing medium in the elliptical heat exchange pipe 2 and the elliptical heat exchange pipe 2 through the elliptical heat exchange pipe 2, and the heat absorbing medium in the water through the heat exchange pipe 2, and the heat exchange pipe 2;

as shown in fig. 1, 2, 3 and 6, in the process of operating the heat exchanger, a filter screen 6 is attached to the inner side of the transfer case 4, and fixing strips 7 fixedly connected with the transfer case 4 are attached to the left and right sides of the filter screen 6, so that the filter screen 6 is arranged to filter the introduced water and prevent the filter from damaging and blocking the heat exchanger, a case cover 8 with a transparent plate 9 embedded and connected to the inner side is fixed to the rear side of the transfer case 4 through screws, and a first sealing gasket 10 closely attached to the transfer case 4 is fixed to the front side of the outer end of the case cover 8, so that when a large amount of filter is observed in the transfer case 4 through the transparent plate 9, the screw fixation of the case cover 8 and the transfer case 4 is disconnected, so as to clean the filter in the transfer case 4;

as shown in fig. 1, 3, 4 and 5, the water box bottoms 1 are arranged at the outer sides of the left and right ends of the elliptical heat exchange tube 2 in a central symmetry manner, the outer sides of the inner ends of the water box bottoms 1 are riveted with the water box covers 11 fixedly connected with the elliptical heat exchange tube 2, and the inner sides of the inner ends of the water box covers 11 are fixedly adhered with the second sealing gaskets 12 tightly attached to the elliptical heat exchange tube 2, so that the form of the water box bottoms 1 replaces a semicircular elbow adopted by the existing heat exchanger, the connection between main waterway channels is convenient to realize, the length of a circulating waterway path is shortened, the use experience of a user is improved, the condition that the existing heat exchanger is not welded in place is convenient to reduce, and the qualification rate of products is improved;

as shown in fig. 1, fig. 2, fig. 4 and fig. 5, a plurality of groups of first heat absorbing fins 13 and second heat absorbing fins 15 which are alternately connected in a snap-fit manner are arranged on the outer side of the middle part of the elliptical heat exchange tube 2 at equal intervals, and limiting plates 14 which limit the first heat absorbing fins 13 and the second heat absorbing fins 15 are nested on the outer sides of the two ends of the elliptical heat exchange tube 2, so that the heat exchanger has a good heat exchange effect due to the arrangement of the first heat absorbing fins 13 and the second heat absorbing fins 15.

Referring to fig. 7 to 10, the present invention discloses a preferred embodiment of a heat absorbing sheet, which comprises a fin body 21, a fin string 22, a fabrication hole 23, a first flue convex hull 24, a second flue convex hull 25, an oval water pipe installation hole 26, a flue guide hole group 27, a limiting mechanism 29, a fixed connecting block 30, a fixed connecting plate 31, a fixed connecting groove 32 and a fixed connecting bolt 33.

When the multi-tube efficient arc-shaped fin is used, as shown in fig. 7, 8 and 10, seven elliptical tubes are integrally arranged in a straight manner, the installation of the existing machine type is not affected, the left end and the right end of the fin body 21 are integrally formed and connected with fin chords 22, the fin body 21 and an external installation shell are limited through a limiting mechanism 29, the limiting mechanism 29 comprises a fixed connecting block 30 with a positioning effect, a fixed connecting plate 31 in a U-shaped structure, a fixed connecting groove 32 arranged on one side, close to the vertical central axis of the fin body 21, of the fixed connecting plate 31 and a fixed connecting bolt 33 with a limiting effect, the fixed connecting block 30 is inserted into the middle of the fixed connecting groove 32, the fixed connecting plate 31 and the fin chords 22 are mutually attached, then the fixed connecting bolt 33 with the limiting effect is rotated, the fixed connecting bolt 33 and the fixed connecting plate 31 are in threaded connection with the fixed connecting bolt 33 and the external installation shell, the fin body 21 can be conveniently installed and limited, the fastening performance is good, and the fin body 21 is prevented from being loosened in the using process;

after the installation is finished, as shown in fig. 7 and 8, the left side and the right side of the upper end of the fin body 21 are respectively provided with a process hole 23, the position of the fin body 21 is convenient to correct through the arrangement of the process holes 23, the middle part of the fin body 21 is provided with elliptical water pipe installation holes 26 at equal intervals, the elliptical water pipe installation holes 26 are connected with elliptical pipes for connecting water passing channels, medium water is positioned in the elliptical pipes connected with the elliptical water pipe installation holes 26 and flows through the combustion of natural gas, chemical energy is converted into internal energy, the heat is transferred to the fin body 21 and the elliptical pipes, meanwhile, a flue guide hole group 27 is arranged between the elliptical water pipe installation holes 26 and the elliptical water pipe installation holes 26, the flue guide hole group 27 is fixedly connected with the fin body 21, the flue guide hole group is provided with a plurality of guide holes, the guide holes are provided with side walls protruding outwards from one side of the fin to the upper side, a flue passage leading to the other side of the fin from one side of the fin is formed, and the flue gas can be guided by the arrangement of the flue guide hole group 27, so that the flue gas can be guided to the combustion, and the flow between the fins better; and the time and the area for heating the fins are increased, and the heating effect of the fins is improved.

The flue convex hulls are outwards raised on the fins, the first flue convex hulls 24 and the second flue convex hulls 25 are arranged above the fin body 21 at equal intervals, the raised directions of the first flue convex hulls 24 and the second flue convex hulls 25 are opposite to each other between the same group of second flue convex hulls 25, as shown in fig. 9, the flue gas can be prevented from rising through the first flue convex hulls 24 and the second flue convex hulls 25, the flue gas can be conveniently shunted, the convex hulls on the fins can absorb energy, the infrared radiation can also be radiated by water pipes passing through the elliptical water pipe mounting holes to nearby portions due to the raised portions, heat can be rapidly transmitted to the elliptical pipes, the upper half portions of the elliptical pipes can be well heated, the heat exchange efficiency is greatly improved, the practicability is high, and better use experience is brought to users.

The content that is not described in detail in this specification belongs to the prior art known to those skilled in the art, the standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the description of the drawings, the specific connection mode of each part adopts the conventional means of bolt, rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the content that is not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. A multi-tube, single-channel, water-box-in-water heat exchanger, comprising:

the water tank comprises water tank bottoms (1), wherein two water tank bottoms (1) are arranged, and a plurality of elliptical heat exchange tubes (2) are arranged on the inner side of the inner end of each water tank bottom (1) at equal intervals;

the water joint (3) is fixedly communicated with the lower side of the outer end of the water box bottom (1), and the lower side of the left single water joint (3) is fixedly communicated with a transfer box (4);

the filter screen (6) is attached to the inner side of the middle part of the transfer box (4), and fixing strips (7) are attached to the outer sides of the left end and the right end of the filter screen (6);

the water box cover (11) is embedded, fitted and fixed at the outer sides of the left end and the right end of the elliptical heat exchange tube (2), and a second sealing gasket (12) which is fixedly adhered to the inner side of the inner end of the water box cover (11) is arranged at the inner side of the inner end of the water box cover (11);

the heat exchange tube comprises first heat absorption sheets (13), wherein the first heat absorption sheets (13) are arranged on the outer side of the middle of the oval heat exchange tube (2) at equal intervals, and symmetrical limiting plates (14) are arranged on the outer side of the first heat absorption sheets (13).

2. A multi-tube single channel water box heat exchanger according to claim 1 wherein: the water box bottom (1) is arranged in a central symmetry mode about the elliptical heat exchange tube (2), and the elliptical heat exchange tube (2) and the water box bottom (1) form a communicated structure.

3. The multi-tube, single-channel, water-box-with-water heat exchanger of claim 1, wherein: valve (5) are installed to the lower extreme inboard of transfer case (4), and fixed strip (7) and transfer case (4) are fixed integral structure to the rear side of transfer case (4) is provided with case lid (8) of fix with it with screw.

4. A multi-tube, single channel, water box heat exchanger according to claim 3, wherein: the middle inner side of the box cover (8) is embedded with a transparent plate (9), and the front side of the outer end of the box cover (8) is pasted and fixed with a first sealing gasket (10) tightly attached and connected with the transfer box (4).

5. A multi-tube single channel water box heat exchanger according to claim 1 wherein: the water box cover (11) is connected with the water box bottom (1) in a riveting mode, the water box cover (11) is symmetrically arranged relative to the oval heat exchange tube (2), and the second sealing gasket (12) is tightly attached to the oval heat exchange tube (2).

6. The multi-tube, single-channel, water-box-with-water heat exchanger of claim 1, wherein: the first heat absorbing sheets (13) and the second heat absorbing sheets (15) are alternately nested outside the middle of the oval heat exchange tube (2), the first heat absorbing sheets (13) are connected with the second heat absorbing sheets (15) in a buckling mode, the limiting plates (14) are nested outside the left end and the right end of the oval heat exchange tube (2), and the second heat absorbing sheets (15) are connected with the limiting plates (14) in a buckling mode.

7. The heat exchanger with the water box is characterized in that the first heat absorbing sheet (13) and/or the second heat absorbing sheet (15) comprise fin bodies (21), the left ends and the right ends of the fin bodies (21) are connected with fin chords (22) in an integrated forming mode, and the left sides and the right sides of the upper ends of the fin bodies (21) are provided with process holes (23);

the fin comprises a fin body (21) and oval water pipe mounting holes (26), wherein the oval water pipe mounting holes (26) are arranged in the middle of the fin body (21) at equal intervals; further comprising:

the first flue convex hulls (24) are arranged at the upper ends of the fin bodies (21), and the first flue convex hulls (24) are arranged at equal intervals at the upper ends of the fin bodies (21);

the limiting mechanisms (29) are symmetrically arranged at the left end and the right end of the fin body (21), and the limiting mechanisms (29) are used for fixing and installing the fin body (21).

8. The multi-tube, single-channel, boxed heat exchanger of claim 7, wherein: a pair of second flue convex hulls (25) are arranged below the first flue convex hull (24), the protruding directions of the second flue convex hulls (25) are located on two sides of the fins respectively, and a flue flow guide hole group (27) is arranged below the second flue convex hulls (25).

9. The multi-tube, single-channel, boxed heat exchanger of claim 8, wherein: still include flue water conservancy diversion punch combination (27), flue water conservancy diversion punch combination (27) set up between adjacent oval water pipe mounting hole (26), water conservancy diversion punch combination has a plurality of water conservancy diversion holes, the water conservancy diversion hole has to the outer bellied lateral wall of fin.

10. The multi-tube, single-channel, boxed heat exchanger of claim 7, wherein: the limiting mechanism (29) comprises a fixed connecting block (30) with a positioning function, a fixed connecting plate (31) in a U-shaped structure, a fixed connecting groove (32) arranged on one side, close to the vertical middle axis of the fin body (21), of the fixed connecting plate (31), and a fixed connecting bolt (33) with a limiting function;

the limiting mechanism (29) is used for limiting the position between the fin chord (22) and an external mounting shell.

Images