CN210425563U - Combustion heat exchange assembly and gas water heater with same - Google Patents
Combustion heat exchange assembly and gas water heater with same Download PDFInfo
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- CN210425563U CN210425563U CN201920326725.8U CN201920326725U CN210425563U CN 210425563 U CN210425563 U CN 210425563U CN 201920326725 U CN201920326725 U CN 201920326725U CN 210425563 U CN210425563 U CN 210425563U
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Abstract
The utility model discloses a burning heat transfer subassembly and have its gas heater. This burning heat transfer subassembly includes: the heat exchanger is provided with a heat exchange part, a heat exchange medium channel is arranged in the heat exchange part, and an installation space is formed in the heat exchanger; a burner disposed at least partially within the mounting space and positioned by the heat exchanging portion. According to the utility model discloses a burning heat transfer subassembly is fixed a position the combustor through using heat transfer portion, has realized the combustor in the inside location and the installation of heat exchanger, simultaneously, can also take away the heat that the combustor burning produced for the rivers in the heat transfer portion of combustor location, prevents that the combustor from lasting to the heat exchanger heating and making burning heat transfer subassembly's play water temperature be higher than the user demand. In addition, the combustor is embedded into the heat exchanger, a connecting fastener between the combustor and the heat exchanger is eliminated, the structure of the combustion heat exchange assembly is more compact, and the weight of the combustion heat exchange assembly is favorably reduced.
Description
Technical Field
The utility model relates to a water heater technical field particularly, relates to a burning heat transfer subassembly and have its gas heater.
Background
In order to reduce the emission of CO and NOx in the combustion tail gas of the gas water heater, the existing water heater manufacturers generally arrange a catalytic module (namely a burner) in a flue gas channel, namely a heat exchanger to realize the emission, but the periphery of the existing heat exchanger is closed, and the catalytic module is not convenient to install in a cavity of the heat exchanger, so that the catalytic module is placed between a primary heat exchanger and a secondary heat exchanger which are separated from each other up and down by some manufacturers, and the catalytic module is fixed with the primary heat exchanger and the secondary heat exchanger through connecting fasteners, so that the weight of the gas water heater is increased, and the integral structure is complex.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a burning heat transfer subassembly, the combustor is integrated inside the heat exchanger.
The utility model also provides a gas heater of having above-mentioned burning heat exchange assemblies.
According to the utility model discloses burning heat exchange assemblies includes: the heat exchanger is provided with peripheral enclosing plates, a heat exchanging part is arranged in each peripheral enclosing plate, a heat exchanging medium channel is arranged in each heat exchanging part, and an installation space is formed in each heat exchanger; a burner disposed at least partially within the mounting space and positioned by the heat exchanging portion.
According to the utility model discloses burning heat transfer subassembly fixes a position the combustor through using heat transfer portion, has realized the combustor in the inside location and the installation of heat exchanger, simultaneously, can also take away the heat that the combustor burning produced for the rivers in the heat transfer portion of combustor location, prevents that the combustor from lasting to the heat exchanger heating and making burning heat transfer subassembly's play water temperature be higher than user's user demand. In addition, the combustor is embedded into the heat exchanger, a connecting fastener between the combustor and the heat exchanger is eliminated, the structure of the combustion heat exchange assembly is more compact, and the weight of the combustion heat exchange assembly is favorably reduced.
According to some embodiments of the invention, the heat exchanging portion comprises: the supporting heat exchange part is positioned at the bottom of the installation space and used for supporting the burner, and the burner is supported and arranged in the installation space.
According to some embodiments of the invention, the heat exchanging portion comprises: the limiting heat exchange part is positioned on two sides and/or the top of the installation space and used for limiting the burner to be arranged in the installation space.
According to some embodiments of the utility model, the heat exchanger is split type structure and includes: the upper body is constructed into an upper heat exchanger, the lower body is constructed into a lower heat exchanger, the upper body is connected with the lower body, and the combustor is arranged at the joint of the upper body and the lower body which are separated.
Further, the supporting heat exchange part is positioned at the inner top of the lower body, the bottom surface of the burner is supported on the supporting heat exchange part, and the top surface of the burner is suitable for being limited by the limiting heat exchange part above the burner.
Specifically, spacing heat transfer portion includes: the burner comprises a top limit heat exchange part and a side limit heat exchange part, wherein the top limit heat exchange part is positioned at the top of the burner and is used for limiting the top of the burner, and the side limit heat exchange part is positioned on the side surface of the burner and is used for limiting the side direction of the burner.
Further, the top limit heat exchanging portion is a part of the upper body, and the side limit heat exchanging portion and the supporting heat exchanging portion are parts of the lower body.
Specifically, the supporting heat exchanging part is divided into a middle group, a first side group and a second side group, the middle group is supported by the supporting heat exchanging part at the middle area of the bottom surface of the burner, the first side group is supported by the supporting heat exchanging part at the junction of the bottom surface of the burner and the first side surface, and the second side group is supported by the supporting heat exchanging part at the junction of the bottom surface of the burner and the second side surface.
Further, the side limiting heat exchange portions are respectively limited on the first side face and the second side face and respectively extend along the length direction of the combustor.
Optionally, the lateral heat transfer limiting portion has a larger cross-sectional dimension than the supporting heat transfer portion.
According to some embodiments of the present invention, the cross section of the lateral limiting heat exchanging part is elliptical and the major axis is parallel to the side of the burner, and the dimension of the major axis is equal to or slightly smaller than the thickness of the burner.
Optionally, the cross section of the supporting heat exchanging part is elliptical, and the long axis is parallel to the bottom surface of the combustor; or the cross section of the supporting heat exchanging part is elliptical, the minor axis of the supporting heat exchanging part is parallel to the bottom surface of the combustor, and the supporting heat exchanging parts are multiple and are supported on the bottom surface of the combustor at intervals.
According to some embodiments of the utility model, first side group support heat transfer portion under and the second side group support heat transfer portion under still be provided with the heat exchange tube, heat exchange tube and first side group support heat transfer portion, second side group support heat transfer portion and middle group support heat transfer portion encloses into the lower part space that the opening is decurrent, the lower part space is suitable for the structure to be lower part combustion space.
According to some embodiments of the utility model, the spacing heat transfer portion in top is first side group and second side group, and first side group the spacing heat transfer portion in top is spacing the junction of the top surface of combustor and first side, and the second side group the spacing heat transfer portion in top is spacing the junction of the top surface of combustor and second side.
Furthermore, the top of the combustor extends into the upper body, and the top limiting heat exchange part is located at the inner bottom of the upper body.
According to the utility model discloses a some embodiments, the top of the spacing heat transfer portion in top is provided with the heat exchange tube, spaced apart first side group and second side group the spacing heat transfer portion in top and top the heat exchange tube encloses into to open downwards and just right the upper space of combustor.
Optionally, the upper body and the lower body are provided with independent water inlets and water outlets, so that a parallel structure is formed; or one of the upper body and the lower body is provided with a water inlet and the other is provided with a water outlet, and the upper body and the lower body are communicated through an intermediate connecting pipe, so that a series structure is formed.
According to some embodiments of the invention, the burner is a flameless catalytic burner.
According to the utility model discloses another aspect embodiment's gas heater, including foretell burning heat exchange assemblies.
Drawings
FIG. 1 is an assembled schematic view of a combustion heat exchange assembly;
FIG. 2 is an exploded schematic view of a combustion heat exchange assembly;
FIG. 3 is a cross-sectional view of a combustion heat exchange assembly;
FIG. 4 is a schematic view of an upper body and a lower body forming a parallel configuration;
FIG. 5 is a schematic view of an upper body and a lower body forming a tandem structure;
FIG. 6 is an assembled schematic view of the upper body;
FIG. 7 is an exploded schematic view of the upper body;
FIG. 8 is an assembled schematic view of the lower body;
FIG. 9 is an exploded schematic view of the lower body;
fig. 10 is a schematic view of another embodiment of the heat exchanging position limiter.
Reference numerals:
the combustion heat exchange assembly 10, the heat exchanger 1, the upper body 11, the upper body flange 111, the heat exchange fins 112, the upper front plate 113, the upper rear plate 114, the upper left plate 115, the upper right plate 116, the upper left inner plate 117, the upper right inner plate 118, the lower body 12, the lower body flange 121, the observation window 122, the lower front plate 123, the lower rear plate 124, the lower left plate 125, the lower right plate 126, the lower left inner plate 127, the lower right inner plate 128, the heat exchange holes 13, the heat exchange convex hull 14, the burner 2, the heat exchange section 3, the supporting heat exchange section 31, the middle group supporting heat exchange section 311, the first side group supporting heat exchange section 312, the second side group supporting heat exchange section 313, the limiting heat exchange section 32, the top limiting heat exchange section 321, the first side group top limiting heat exchange section 3211, the second side group top limiting heat exchange section 3212, the side limiting heat exchange section 322, the upper heat exchange tube 331, the lower heat exchange tube 332, the lower space 34, the upper water outlet space 35, the water inlet 36, 37, A surrounding enclosing plate 38, a middle connecting pipe 39 and an installation space 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The combustion heat exchange assembly 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 10.
Referring to fig. 1-3, a combustion heat exchange assembly 10 according to an embodiment of the present invention may include: heat exchanger 1 and combustor 2, heat exchanger 1 have bounding wall 38 all around, and bounding wall 38 is inside to be established and to replace hot portion 3 all around, has the heat transfer medium passageway in the heat transfer portion 3, and rivers can circulate in the heat transfer medium passageway, and after combustor 2 heating, rivers are discharged from the delivery port that burns heat exchange assemblies 10 again and are used for the user to use.
An installation space 4 is formed in the heat exchanger 1, the burner 2 is at least partially disposed in the installation space 4, and the burner 2 is positioned by the heat exchanging portion 3. When the combustor 2 burns, the heat generated by combustion can be transmitted to the cold water in the heat exchange medium channel of the heat exchange part 3 through the heat exchanger 1, so that the cold water is heated, the temperature of the water flow in the heat exchange medium channel of the heat exchange part 3 is increased, and the use requirement of a user on the hot water is met. Meanwhile, the water flow in the heat exchange part 3 positioned for the combustor 2 can also take away the heat generated by the combustion of the combustor 2.
The heat exchanging part 3 may be provided with heat exchanging fins 112, so that a heat exchanging area of the heat exchanging part 3 may be increased, thereby improving heat exchanging efficiency.
According to the utility model discloses burning heat exchange assemblies 10 fixes a position combustor 2 through using heat transfer portion 3, has realized combustor 2 in 1 inside location and installation of heat exchanger, simultaneously, can also take away the heat that combustor 2 burns and produces for the rivers in the heat transfer portion 3 of combustor 2 location, prevents that combustor 2 from continuing to heat exchanger 1 and making the play water temperature of burning heat exchange assemblies 10 be higher than user's user demand. In addition, the combustor 2 is embedded in the heat exchanger 1, and a connecting fastener between the combustor 2 and the heat exchanger 1 is eliminated, so that the structure of the combustion heat exchange assembly 10 is more compact, and the weight of the combustion heat exchange assembly 10 is favorably reduced.
Referring to fig. 3, the heat exchanging portion 3 includes: a supporting heat exchanging part 31, the supporting heat exchanging part 31 supporting the burner 2, the supporting heat exchanging part 31 being located at the bottom of the installation space 4,
referring to fig. 3, the heat exchanging portion 3 includes: and the limiting heat exchanging part 32, wherein the limiting heat exchanging part 32 is positioned at two sides and/or the top of the installation space 4, and the limiting heat exchanging part 32 is used for limiting the combustor 2 in the installation space 4. In the example of fig. 3, the limit heat exchanging part 32 is located at both sides and the top of the installation space 4. In some embodiments, not shown, the heat-transfer limiting portions 32 may be located only at both sides of the installation space 4 (i.e., only the side heat-transfer limiting portions 322 without the top heat-transfer limiting portion 321), or only at the top of the installation space 4 (i.e., only the top heat-transfer limiting portions 321 without the side heat-transfer limiting portions 322).
Fig. 10 shows another example of the limited heat exchanging portion 32, in which the limited heat exchanging portion 32 is provided on both sides of the burner 2 without supporting the heat exchanging portion 31, and the limited heat exchanging portion 32 has both supporting and limiting functions to fix the burner 2 inside the heat exchanger 1.
Particularly, the supporting heat exchanging part 31 and the limiting heat exchanging part 32 are both supporting and limiting structures, and water flow in the heat exchanging part 3 can take away heat generated by the combustor 2 during combustion, so that the problems that the common mounting bracket is easy to deform due to high temperature and cannot mount and fix the combustor 2 are solved.
. Specifically, the supporting heat exchanging part 31 and the spacing heat exchanging part 32 are arranged around the installation space 4. As shown in fig. 3, the supporting heat exchanging part 31 is disposed at the bottom of the installation space 4, and the spacing heat exchanging parts 32 are disposed at both sides and the top of the installation space 4. As shown in fig. 10, the limit heat exchanging part 32 is disposed at both sides of the installation space 4.
Referring to fig. 1 to 3, the heat exchanger 1 is a split structure, and the heat exchanger 1 includes: go up body 11 and lower body 12, go up body 11 and set up the top at lower body 12, and go up body 11 and lower body 12 and link to each other, combustor 2 sets up the junction at the last body 11 of components of a whole that can function independently and lower body 12, and combustor 2 sets up the inside at heat exchanger 1 promptly.
Optionally, the upper body 11 and the lower body 12 can be made of stainless steel, the upper body 11 and the lower body 12 can also be made of copper, and the heat exchange effect is good and the corrosion resistance is high.
The upper body 11 and the lower body 12 adopt a split structure, so that the burner 2 is convenient to produce, assemble and replace after sale. The upper body 11, the burner 2 and the lower body 12 are arranged from top to bottom, in the embodiment of fig. 3, the burner 2 is supported by the supporting heat exchanging portion 31, the burner 2 is positioned and clamped by the limiting heat exchanging portion 32, in the embodiment of fig. 10, the burner 2 is supported, positioned and clamped by the limiting heat exchanging portion 32, and no other fastening structure is needed, so that the number of connecting parts is reduced, and even the connecting parts are not needed at all, and the total weight of the combustion heat exchange assembly 10 is reduced. When the combustor 2 is replaced, the combustor 2 can be taken out for replacement by disassembling the upper body 11 and the lower body 12, and the operation is convenient and quick.
In addition, because the upper body 11 and the lower body 12 are of a split structure, the universality is strong, the lower body 12 can be matched with bodies with different numbers of heat exchange fins 112, the heat exchange requirements of gas water heaters with different capacities are met, and the universality of the lower body 12 is improved.
Further, referring to fig. 3, the supporting heat exchanging portion 31 is located at the inner top of the lower body 12, the bottom surface of the burner 2 is supported on the supporting heat exchanging portion 31, the top surface of the burner 2 is adapted to be limited by the limiting heat exchanging portion 32 located above the burner 2, and the side surface of the burner 2 is adapted to be limited by the limiting heat exchanging portion 32 located at the side of the burner 2, so as to prevent the burner 2 from shaking inside the heat exchanger 1 to damage the burner 2 itself or to crash the heat exchanger 1.
Specifically, referring to fig. 3, the limit heat exchanging part 32 may include: spacing heat transfer portion 321 in top and the spacing heat transfer portion 322 of lateral part, the spacing heat transfer portion 321 in top is located the top of combustor 2 and carries out the top spacing to combustor 2, and the spacing heat transfer portion 322 of lateral part is located the side of combustor 2 and carries out the side direction spacing to combustor 2, realizes the accurate positioning of combustor 2 in installation space 4 from this, avoids combustor 2 to rock.
Referring to fig. 2 to 3, when the burner 2 is installed, the burner 2 is first placed in the installation space 4 of the lower body 12, the burner 2 is primarily fixed by the support of the support heat exchanging portion 31 and the limit of the lateral limit heat exchanging portion 322, the upper body 11 is then assembled and fixed with the lower body 12, and the burner 2 is clamped by the top limit heat exchanging portion 321, so that the burner 2 is fixed in the installation space 4. Adopt the utility model discloses a burning heat exchange assemblies 10 can provide a mounting structure of combustor 2, does not influence the heat transfer function of burning heat exchange assemblies 10 again.
Further, the upper body 11 is configured as an upper heat exchanger, and the lower body 12 is configured as a lower heat exchanger, the top limit heat exchanging portion 321 being a part of the upper body 11, and the side limit heat exchanging portion 322 and the support heat exchanging portion 31 being a part of the lower body 12. When the upper body 11 is separated from the lower body 12, the burner 2 can be mounted or dismounted.
Specifically, referring to fig. 3, the supporting heat exchanging portion 31 is divided into a middle group supporting heat exchanging portion 311, a first side group supporting heat exchanging portion 312, and a second side group supporting heat exchanging portion 313, the middle group supporting heat exchanging portion 311 is supported at a middle region of the bottom surface of the burner 2, the first side group supporting heat exchanging portion 312 is supported at a boundary between the bottom surface and the first side surface of the burner 2, and the second side group supporting heat exchanging portion 313 is supported at a boundary between the bottom surface and the second side surface of the burner 2. The middle group supporting heat exchanging portion 311, the first side group supporting heat exchanging portion 312, and the second side group supporting heat exchanging portion 313 are distributed at intervals, which is beneficial to improving the stability of the supporting heat exchanging portion 31 to the combustor 2.
Further, the left side heat exchanging limit portion 322 is limited to a first side surface (i.e., a left side surface in fig. 3) of the burner 2, the right side heat exchanging limit portion 322 is limited to a second side surface (i.e., a right side surface in fig. 3) of the burner 2, and the left and right side heat exchanging limit portions 322 extend in a longitudinal direction of the burner 2, respectively, so as to limit the burner 2 in a longitudinal direction of the burner 2.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Alternatively, the side limit heat exchanging part 322 has a larger cross-sectional size than the support heat exchanging part 31, thereby ensuring that the flow of water in the side limit heat exchanging part 322 is large, so that the excessive combustion heat of the burner 2 can be taken away more when the water passes through the side limit heat exchanging part 322. In other embodiments, not shown, the heat exchanging part 322 may have the same cross-sectional size as the supporting heat exchanging part 31, or the supporting heat exchanging part 31 may have a smaller cross-sectional size than the heat exchanging part 322.
As shown in fig. 3, the cross section of the lateral limiting heat exchanging portion 322 is elliptical, the major axis is parallel to the side of the burner 2, and the dimension of the major axis is equal to or slightly smaller than the thickness of the burner 2, so that the contact area between the lateral limiting heat exchanging portion 322 and the burner 2 can be increased, the positioning reliability of the lateral limiting heat exchanging portion 322 on the burner 2 can be improved, and the cooling effect of the lateral limiting heat exchanging portion 322 on the burner 2 can be improved.
The lateral limiting heat exchanging part 322 is arranged at the side of the burner 2, and most of the energy radiated from the burner 2 passes upward through the upper body 11, and only a small part of the energy radiates to the lateral limiting heat exchanging part 322, so that the temperature of the water in the channel of the lateral limiting heat exchanging part 322 is significantly lower than the temperature of the water in the heat exchanging part.
Specifically, in the combustion stage of the burner 2, the temperature of the burner 2 is increased more and more, so that the temperature of the burner 2 exceeds the proper working temperature range, and at this time, because the temperature of the water in the channel of the side heat exchanging part 322 is lower than the temperature of the burner 2, the side heat exchanging part 322 can cool the burner 2 under the effect of heat transfer, so that the burner 2 is restored to the optimum working temperature range again, and the generation of harmful gas is reduced.
When the user need not use hot water, combustor 2 stop work temporarily, the spacing heat transfer portion of lateral part 322 continues to cool down combustor 2, effectively reduces the inside temperature of combustor 2, make the heat accumulation of cutting off the water reduce, can effectively control the temperature rise of cutting off the water, that is to say, can avoid in the stage of cutting off the water, the high temperature waste heat of combustor 2 lasts to heat the water in the heat transfer portion, and the temperature that leads to the delivery port lasts the rising, also can avoid combustor 2 to last overheated and influence combustor 2's life simultaneously.
In some alternative embodiments, the cross section of the supporting heat exchanging part 31 is elliptical and the major axis is parallel to the bottom surface of the combustor 2, thereby facilitating to increase the supporting area and enhance the supporting strength; or in the embodiment of fig. 3, the cross-section of the supporting heat exchanging part 31 is elliptical and the minor axis is parallel to the bottom surface of the burner 2. The plurality of supporting heat exchanging portions 31 are supported on the bottom surface of the combustor 2 at intervals, which is beneficial to improving the stability of the supporting heat exchanging portions 31 to the combustor 2.
A lower heat exchange tube 332 is further arranged right below the first side group supporting heat exchanging portion 312 and right below the second side group supporting heat exchanging portion 313, the lower heat exchange tube 332, the first side group supporting heat exchanging portion 312, the second side group supporting heat exchanging portion 313 and the middle group supporting heat exchanging portion 311 form a lower space 34 with a downward opening in a surrounding mode, the lower space 34 is suitable for being constructed into a lower combustion space, a preheating burner can be arranged in the lower combustion space to heat the burner 2 preliminarily, so that the burner 2 can reach an appropriate working temperature, when air-gas mixed gas is combusted in the burner 2, the combustion is sufficient, and harmful gas quantities such as CO, NOx and the like generated due to insufficient combustion are greatly reduced.
The top limit heat exchanging portion 321 is divided into a first side group top limit heat exchanging portion 3211 and a second side group top limit heat exchanging portion 3212, the first side group top limit heat exchanging portion 3211 is limited at a junction of the top surface of the burner 2 and the first side surface, and the second side group top limit heat exchanging portion 3212 is limited at a junction of the top surface of the burner 2 and the second side surface. Spacing heat transfer portion 3211 in first side group top and the spacing heat transfer portion 3212 in second side group top set apart the setting, are favorable to promoting the spacing positioning effect of heat transfer portion 321 to combustor 2 in top.
Further, as shown in fig. 3, the top of the burner 2 extends into the upper body 11, and the top limit heat exchanging portion 321 is located at the inner bottom of the upper body 11.
An upper heat exchange tube 331 is arranged above the top limit heat exchanging portion 321, and the spaced first side group top limit heat exchanging portion 3211 and the spaced second side group top limit heat exchanging portion 3212 and the upper heat exchange tube 331 above enclose an upper space 35 which is open downwards and is just opposite to the burner 2. The heat of the combustor 2 reaches the heat exchanger 1 after being buffered in the upper space 35, so that the heat exchanger 1 is prevented from being directly contacted with the combustor 2 to influence the combustion effect of the combustor 2.
In some embodiments, not shown, the cross-sections of the heat exchanging parts 3 may be circular, and the cross-sectional areas of the circular cross-sections may be equal or different.
In the embodiment shown in fig. 10, when the burner 2 is installed, the burner 2 is placed between the two limit heat exchanging portions 32, and the two limit heat exchanging portions 32 clamp the burner 2 from both sides, thereby fixing the burner 2 in the installation space 4. The inside of the limiting heat exchanging portion 32 in fig. 10 may also be filled with water flow, and at this time, the cooling effect of the limiting heat exchanging portion 32 on the combustor 2 is the same as the cooling effect of the supporting heat exchanging portion 31 and the limiting heat exchanging portion 32 on the combustor 2 in the embodiment in fig. 3, and is not described again here.
Optionally, referring to the embodiment shown in fig. 4, the upper body 11 and the lower body 12 both have independent water inlet 36 and water outlet 37, so as to form a parallel structure, and in cooperation with a water volume server, the water flow in the upper body 11 and the lower body 12 can be independently controlled, so as to meet different heat exchange volume requirements.
Or referring to the embodiment shown in fig. 5, one of the upper body 11 and the lower body 12 is provided with a water inlet 36 and the other is provided with a water outlet 37, and the upper body 11 and the lower body 12 are communicated by an intermediate connection pipe 39, thereby forming a serial structure. In other words, when the upper body 11 and the lower body 12 are connected in series, the water flows in from the water inlet 36 of the lower body 12, enters the upper body 11 through the intermediate connection pipe 39, and finally flows out from the water outlet 37 of the upper body 11. The utility model discloses a burning heat exchange assemblies 10 provides parallelly connected, two kinds of water route connection's of establishing ties possibility, can select suitable water route connection mode according to the product needs, is superior to the single series connection water route mode of current heat exchanger.
Each of the upper body 11 and the lower body 12 has a peripheral enclosing plate 38, a heat exchanging portion 3 is provided inside the peripheral enclosing plate 38, and the heat exchanging portion 3 is a heat exchanging pipe. The surrounding enclosing plate 38 can protect the heat exchanging part 3 and the burner 2.
Specifically, referring to fig. 6 to 7, the peripheral wall 38 of the upper body 11 includes an upper front plate 113, an upper rear plate 114, an upper left plate 115, and an upper right plate 116, an upper left inner plate 117, and an upper right inner plate 118 are provided between the upper left plate 115 and the upper right plate 116, and the heat exchanging portion 3 of the upper body 11 is provided between the upper left inner plate 117, and the upper right inner plate 118. The upper left inner plate 117 and the upper right inner plate 118 are provided with heat exchange holes 13, the surface of the upper left plate 115 facing the upper left inner plate 117 and the surface of the upper right plate 116 facing the upper right inner plate 118 are provided with heat exchange convex hulls 14 corresponding to the heat exchange holes 13, water entering the upper body 11 from the water inlet 36 enters the heat exchange convex hulls 14 firstly, then enters the heat exchange holes 13 from the heat exchange convex hulls 14, and then enters the heat exchange parts 3 corresponding to the heat exchange holes 13. The heat exchange fins 112 are provided on the heat exchange portion 3 of the upper body 11.
Referring to fig. 8 to 9, the peripheral wall 38 of the upper body 11 includes a lower front plate 123, a lower rear plate 124, a lower left plate 125, and a lower right plate 126, a lower left inner plate 127 and a lower right inner plate 128 are provided between the lower left plate 125 and the lower right plate 126, and the heat exchanging portion 3 of the upper body 11 is provided between the lower left inner plate 127 and the lower right inner plate 128. The lower left inner plate 127 and the lower right inner plate 128 are provided with heat exchange holes 13, the surface of the lower left plate 125 facing the lower left inner plate 127 and the surface of the lower right plate 126 facing the lower right inner plate 128 are provided with heat exchange convex hulls 14 corresponding to the heat exchange holes 13, water entering the upper body 11 from the water inlet 36 enters the heat exchange convex hulls 14 firstly, then enters the heat exchange holes 13 from the heat exchange convex hulls 14, and then enters the heat exchange parts 3 corresponding to the heat exchange holes 13.
Optionally, the upper left inner plate 117 is welded to the upper left plate 115, the upper right inner plate 118 is welded to the upper right plate 116, the lower left inner plate 127 is welded to the lower left plate 125, the lower right inner plate 128 is welded to the lower right plate 126, and a water channel is formed between the heat exchange convex hull 14 and the corresponding heat exchange hole 13 and is communicated with the heat exchange portion 3.
The lower front plate 123 is also provided with an observation window 122 for facilitating observation of the combustion condition in the lower combustion space.
The burner 2 is a flameless catalytic burner 2, and air and fuel gas are mixed and then are subjected to catalytic combustion in the burner 2.
According to another aspect embodiment of the present invention, a gas water heater includes the combustion heat exchange assembly 10 of the above embodiment. The burner 2 is fixed in the installation space 4 in the heat exchanger 1 through the supporting heat exchanging part 31 and the limiting heat exchanging part 32, and heat generated by burning of the burner 2 is taken away through water flow in the supporting heat exchanging part 31 and the limiting heat exchanging part 32, so that the functions of installing and fixing the burner 2 and exchanging heat of the gas water heater are realized, and the burner 2 is convenient to install and replace.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (19)
1. A combustion heat exchange assembly, comprising:
the heat exchanger is provided with peripheral enclosing plates, a heat exchanging part is arranged in each peripheral enclosing plate, a heat exchanging medium channel is arranged in each heat exchanging part, and an installation space is formed in each heat exchanger;
a burner disposed at least partially within the mounting space and positioned by the heat exchanging portion.
2. The combustion heat exchange assembly of claim 1, wherein the heat exchange portion comprises: the supporting heat exchange part is positioned at the bottom of the installation space and used for supporting the burner, and the burner is supported and arranged in the installation space.
3. The combustion heat exchange assembly of claim 2, wherein the heat exchange portion comprises: the limiting heat exchange part is positioned on two sides and/or the top of the installation space and used for limiting the burner to be arranged in the installation space.
4. The combustion heat exchange assembly of claim 3, wherein the heat exchanger is a split structure and comprises: the upper body is constructed into an upper heat exchanger, the lower body is constructed into a lower heat exchanger, the upper body is connected with the lower body, and the combustor is arranged at the joint of the upper body and the lower body which are separated.
5. The combustion heat exchange assembly of claim 4, wherein the supporting heat exchange portion is located at the inner top of the lower body, the bottom surface of the burner is supported on the supporting heat exchange portion, and the top surface of the burner is adapted to be limited by the limiting heat exchange portion located above the burner.
6. The combustion heat exchange assembly of claim 5, wherein the heat exchange limiting portion comprises: the burner comprises a top limit heat exchange part and a side limit heat exchange part, wherein the top limit heat exchange part is positioned at the top of the burner and is used for limiting the top of the burner, and the side limit heat exchange part is positioned on the side surface of the burner and is used for limiting the side direction of the burner.
7. The combustion heat exchange assembly of claim 6, wherein the top-limiting heat exchange portion is a portion of the upper body, and the side-limiting heat exchange portion and the supporting heat exchange portion are portions of the lower body.
8. The combustion heat exchange assembly of claim 6, wherein the supporting heat exchange portion is divided into a middle group, a first side group and a second side group, the middle group is supported at a middle region of the bottom surface of the burner, the first side group is supported at a junction of the bottom surface and a first side surface of the burner, and the second side group is supported at a junction of the bottom surface and a second side surface of the burner.
9. The combustion heat exchange assembly of claim 8, wherein the lateral heat transfer limiting portions are respectively limited on the first lateral surface and the second lateral surface and respectively extend along the length direction of the combustor.
10. The combustion heat exchange assembly of claim 9, wherein the lateral confinement heat exchange portion has a larger cross-sectional dimension than the support heat exchange portion.
11. The combustion heat exchange assembly of claim 10, wherein the cross section of the lateral limiting heat exchange part is elliptical and the major axis is parallel to the side surface of the burner, and the dimension of the major axis is equal to or slightly smaller than the thickness of the burner.
12. The combustion heat exchange assembly of claim 10,
the cross section of the supporting heat exchange part is elliptical, and the long axis of the supporting heat exchange part is parallel to the bottom surface of the combustor; or
The cross section of the supporting heat exchanging part is elliptical, the short axis of the supporting heat exchanging part is parallel to the bottom surface of the combustor, and the supporting heat exchanging parts are multiple and are supported on the bottom surface of the combustor at intervals.
13. The combustion heat exchange assembly of claim 8, wherein a heat exchange pipe is further disposed directly below the supporting heat exchange portion of the first side group and directly below the supporting heat exchange portion of the second side group, and the heat exchange pipe encloses a lower space opening downward with the supporting heat exchange portion of the first side group, the supporting heat exchange portion of the second side group and the supporting heat exchange portion of the middle group, and the lower space is adapted to be configured as a lower combustion space.
14. The combustion heat exchange assembly of claim 6, wherein the top limiting heat exchange part is divided into a first side group and a second side group, the first side group is limited at the junction of the top surface and the first side surface of the combustor, and the second side group is limited at the junction of the top surface and the second side surface of the combustor.
15. The combustion heat exchange assembly of claim 14, wherein the top of the burner extends into the upper body, and the top-limiting heat exchange portion is located at the inner bottom of the upper body.
16. The combustion heat exchange assembly of claim 14, wherein heat exchange tubes are disposed above the top-limiting heat exchange portion, and the top-limiting heat exchange portion and the heat exchange tubes above the top-limiting heat exchange portion enclose an upper space which is open downward and faces the burner.
17. The combustion heat exchange assembly of claim 4, wherein the upper body and the lower body each have separate water inlets and outlets, thereby forming a parallel configuration;
or one of the upper body and the lower body is provided with a water inlet and the other is provided with a water outlet, and the upper body and the lower body are communicated through an intermediate connecting pipe, so that a series structure is formed.
18. The combustion heat exchange assembly of claim 1, wherein the burner is a flameless catalytic burner.
19. A gas water heater comprising a combustion heat exchange assembly according to any one of claims 1-18.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920326725.8U CN210425563U (en) | 2019-03-14 | 2019-03-14 | Combustion heat exchange assembly and gas water heater with same |
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| CN201920326725.8U CN210425563U (en) | 2019-03-14 | 2019-03-14 | Combustion heat exchange assembly and gas water heater with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692754A (en) * | 2019-03-14 | 2020-09-22 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692754A (en) * | 2019-03-14 | 2020-09-22 | 芜湖美的厨卫电器制造有限公司 | Combustion heat exchange assembly and gas water heater with same |
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Effective date of registration: 20221228 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |