CN215337116U - Combustion system of gas water heater using heat exchanger without body and using adiabatic material - Google Patents
Combustion system of gas water heater using heat exchanger without body and using adiabatic material Download PDFInfo
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- CN215337116U CN215337116U CN202121319240.XU CN202121319240U CN215337116U CN 215337116 U CN215337116 U CN 215337116U CN 202121319240 U CN202121319240 U CN 202121319240U CN 215337116 U CN215337116 U CN 215337116U
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Abstract
The utility model discloses a combustion system of a gas water heater, which adopts a body-free heat exchanger and uses a heat insulation material, and comprises the body-free heat exchanger and a combustion chamber group; the combustion chamber group is of a box body structure with an open front surface, a body-free heat exchanger is arranged at the upper end of the combustion chamber group, and a matched combustion chamber front plate group is arranged on the front surface of the combustion chamber group; the two side walls and the back plate of the inner cavity of the combustion chamber group are respectively provided with a side wall heat insulation material and a back plate heat insulation material through heat insulation plates in a supporting manner, wherein the back plate of the combustion chamber group is provided with a concave platform for conveniently placing the back plate heat insulation material; the upper end of the back plate heat insulation material in the combustion chamber front plate group extends to the lower end position of the front fin of the body-free heat exchanger and is tightly attached to the lower end position of the front fin. The utility model combines the use of a coil-free and body-free heat exchanger and a combustion chamber group using a heat insulation material structure to realize heat insulation, efficiency improvement and service life increase of a combustion system.
Description
Technical Field
The utility model relates to the technical field of gas water heater manufacturing, in particular to a combustion system adopting a body-free heat exchanger and using adiabatic materials for a gas water heater.
Background
The working principle of the gas water heater is that gas is combusted to perform heat energy conversion through a combustion system, the core of the heat energy conversion is a heat exchanger, at present, two heat exchangers made of copper and stainless steel are mainly adopted, wherein the copper heat exchanger is the mainstream, and the heat exchanger has high heat exchange efficiency and a simpler manufacturing process compared with the stainless steel, but the material cost is higher.
At present, the cost of raw materials is more and more expensive, so that the manufacturing cost is higher and higher.
For example, the technical document CN 205279463U discloses a combustion system for a domestic gas water heater, which uses a heat exchanger that is a coil-less heat exchanger (fig. 9), in order to reduce the cost, by about 20% of the weight of the copper material compared to the conventional coil heat exchanger (fig. 8).
However, if the body is removed from the existing coil-less heat exchanger, a coil-less and body-less heat exchanger is used, which is about 50% lower in cost than the conventional heat exchanger (fig. 8) in specific gravity of the copper material used, but due to its special structure, there is a great risk to the formation, heat insulation, efficiency, smoke and life of the combustion chamber system.
Therefore, how to reduce the copper material and the surface temperature of the combustion system, and simultaneously, the mixed combustion heat exchange performance in the combustion chamber is not influenced, and the effective improvement of the heat efficiency becomes a technical problem which needs to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention provides a gas water heater using a body-less heat exchanger and a combustion system using a heat insulation material, which combines the use of a coil-less body-less heat exchanger to achieve thermal insulation, efficiency improvement and increased service life of the combustion system.
In order to achieve the purpose, the utility model discloses a combustion system adopting a body-free heat exchanger and using a heat insulation material for a gas water heater, which comprises an exhaust hood, the body-free heat exchanger and a combustion chamber group which are sequentially connected from top to bottom.
The combustion chamber group is of a box-shaped structure with an open front surface, a body-free heat exchanger is arranged at the upper end of the combustion chamber group, and a combustion chamber front plate group is arranged at the front surface of the combustion chamber group;
two side walls of an inner cavity of the combustion chamber group and the back plate are respectively provided with a side wall heat insulation material and a back plate heat insulation material, wherein the back plate of the combustion chamber group is provided with a concave platform for conveniently placing the back plate heat insulation material;
the two side wall heat insulation materials and the back plate heat insulation material are supported and fixed through two heat insulation plates arranged on two side walls of an inner cavity of the combustion chamber group;
the two heat insulation plates are symmetrically arranged on two side walls of the inner cavity of the combustion chamber group in a supporting mode, are positioned at the lower end positions of the corresponding side wall heat insulation material and the corresponding back plate heat insulation material, and are respectively provided with a side clamping hook, a back plate clamping hook and a front plate clamping hook corresponding to the two side walls of the inner cavity of the combustion chamber group, the back plate and the combustion chamber front plate;
the distance between each side clamping hook and the corresponding side wall of the combustion chamber group is matched with the thickness of the corresponding side wall adiabatic material, and the side clamping hooks can be clamped with the lower ends of the corresponding side wall adiabatic materials;
the upper end of each side wall adiabatic material extends to the position of a combustion chamber side bearing plate of the combustion chamber group and is clamped and connected with the corresponding side wall of the combustion chamber group by the combustion chamber side bearing plate;
the distance between the back plate clamping hook and the concave platform of the combustion chamber assembly back plate is matched with the thickness of the back plate heat insulation material, and the back plate clamping hook can be clamped with the lower end of the back plate heat insulation material;
the upper end of the back plate heat insulation material extends to the lower section of the rear fin of the carcass-free heat exchanger and is tightly attached to the lower section of the rear fin;
the combustion chamber front plate group is arranged on the front surface of the combustion chamber group, a concave table is arranged on the inner side surface of the combustion chamber front plate group, and the back plate heat insulation material is placed in the concave table;
the upper end of the back plate heat insulation material in the combustion chamber front plate group extends to the lower end position of the front fin of the body-free heat exchanger and is tightly attached to the lower end position of the front fin.
Preferably, the back plate adiabatic material and the side wall adiabatic material are both made of ceramic fiber materials.
Preferably, the combustion chamber group and the heat insulation plate support are positioned by positioning points positioned at two sides of the heat insulation plate support and are fixed by riveting or spot welding.
Preferably, the lower end of the body-free heat exchanger is connected with the combustion chamber group through fixing supports on the left side and the right side, and is fixed by screws.
Preferably, the exhaust hood is connected to the fixing brackets on the left and right sides of the body-less heat exchanger by screws.
Preferably, a fan is arranged at the bottom of the combustion chamber group;
the fan is fixed on the combustion chamber fixing plate through screws;
the bottom of the combustion chamber group is fixed with the combustion chamber fixing plate through a screw.
Preferably, the body-free heat exchanger adopts a seven-tube heat exchange tube structure and is provided with a shutter type low-height fin; 12 rows of high-efficiency large-scale combustors are arranged in the combustion chamber group.
Preferably, the back plate heat insulation material clamped on the combustion chamber front plate group is positioned at the upper end of the induction needle of the combustion chamber front plate group and is compacted on the fins of the body-free heat exchanger through screws on the periphery of the combustion chamber front plate group.
The utility model has the beneficial effects that:
the utility model adopts the body-free heat exchanger, and through reasonable collocation of the related combustion system structures, the consumption of copper materials is greatly reduced, the cost is reduced, simultaneously, the surface temperature of the combustion system is reduced, and through the structural position of the ceramic fiber heat insulation material, when the body structure of the body-free heat exchanger is cancelled, the heat insulation material can be used for heat insulation, the body is effectively replaced, the surface temperature of the combustion system can also be prolonged, the mixed combustion heat exchange performance in the combustion chamber is not influenced, and the heat efficiency is effectively improved.
According to the utility model, the volume of the combustion chamber is reduced, the distance between the fire row and the fins is reduced, the rotating speed of the fan is reduced, so that the heat load is improved, the noise generated by the fan is reduced, and the aims of noise reduction, energy conservation and environmental protection as well as structural innovation and technical innovation are fulfilled.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view showing a structure of one surface of a front plate group of a combustion chamber according to an embodiment of the present invention.
Fig. 3 shows a schematic view of a carcass-less heat exchanger according to an embodiment of the present invention.
Fig. 4 shows a schematic view of a combustion chamber assembly according to an embodiment of the present invention.
Figure 5 shows a schematic view of the structure of a heat shield support in an embodiment of the utility model.
FIG. 6 is a schematic view of a combustor assembly and a carcass-less heat exchanger assembly according to an embodiment of the present invention
Fig. 7 is a schematic view showing the structure of a front plate group of a combustion chamber in an embodiment of the present invention.
Fig. 8 shows a schematic diagram of a conventional heat exchanger mechanism.
Fig. 9 shows a schematic of a prior art coil-less heat exchanger mechanism.
Detailed Description
Examples
As shown in fig. 1 to 7, the gas water heater using a body-less heat exchanger and a combustion system using a heat insulating material includes an exhaust hood 1, a body-less heat exchanger 2, and a combustion chamber group 3 connected in this order from top to bottom.
The combustion chamber group 3 is of a box-shaped structure with an open front surface, the upper end of the combustion chamber group is provided with the body-free heat exchanger 2, and the front surface of the combustion chamber group is provided with the combustion chamber front plate group 6;
two side walls of the inner cavity of the combustion chamber group 3 and the back plate are respectively provided with a side wall heat insulation material 8 and a back plate heat insulation material 7, wherein the back plate of the combustion chamber group 3 is provided with a concave platform for conveniently placing the back plate heat insulation material 7;
the two side wall heat insulation materials 8 and the backboard heat insulation material 7 are fixed by two heat insulation plate supports 9 arranged on two side walls of the inner cavity of the combustion chamber group 3;
the two heat insulation plate supports 9 are symmetrically arranged on two side walls of the inner cavity of the combustion chamber group 3 and are positioned at the lower ends of the corresponding side wall heat insulation material 8 and the corresponding back plate heat insulation material 7, and a side surface clamping hook 111, a back plate clamping hook 112 and a front plate clamping hook 113 are respectively arranged on the two side walls of the inner cavity of the combustion chamber group 3, the back plate and the combustion chamber front plate group 6;
the distance between each side surface clamping hook 111 and the corresponding side wall of the combustion chamber group 3 is matched with the thickness of the corresponding side wall adiabatic material 8, and the lower end of the corresponding side wall adiabatic material 8 can be clamped;
the upper end of each side wall adiabatic material 8 extends to the position of the combustion chamber side bearing plate 114 of the combustion chamber group 3, and is clamped and connected with the side wall of the corresponding combustion chamber group 3 by the combustion chamber side bearing plate 114;
the distance between the back plate clamping hook 112 and the concave platform of the back plate of the combustion chamber group 3 is matched with the thickness of the back plate heat insulation material 7, and the back plate heat insulation material can be clamped with the lower end of the back plate heat insulation material 7;
the upper end of the backboard heat insulation material 7 extends to the lower section of the rear fin of the non-carcass heat exchanger 2 and is tightly attached to the lower section of the rear fin;
the combustion chamber front plate group 6 is arranged on the front surface of the combustion chamber group 3, a concave table is arranged on the inner side surface of the combustion chamber front plate group, and a back plate heat insulation material 7 is placed in the concave table;
the upper end of a back plate heat insulation material 7 in the combustion chamber front plate group 6 extends to the lower end position of the front fin of the body-free heat exchanger 2 and is tightly attached to the lower end position of the front fin.
The principle of the utility model is as follows:
the two side wall adiabatic materials 8 and the backboard adiabatic material 7 which are arranged on the two side walls of the inner cavity of the combustion chamber group 3 and the backboard adiabatic material 7 which are arranged on the combustion chamber front plate group 6 form the inner wall of the combustion chamber, so that high temperature caused by combustion of the combustion chamber group 3 is effectively blocked.
Because the lower end temperature of the heat exchanger is higher, the heat is preliminarily absorbed after passing through the fins and the heat exchange tubes, the temperature of the flue gas at the position above the middle section of the fins is reduced, and the heat insulation material is not needed to be blocked, so that the consumption of the heat insulation material is effectively reduced by installing the backboard heat insulation material 7 at the lower section position of the front fin and the lower section position of the rear fin of the non-carcass heat exchanger 2, the surface temperature of the combustion chamber group 3 is kept below 180 ℃, the surface temperature of the fixing plates at the two sides of the non-carcass heat exchanger 2 is kept below 200 ℃, and the heat insulation performance is effectively realized.
In some embodiments, the back plate insulation 7 and the sidewall insulation 8 are made of ceramic fiber materials.
In some embodiments, the combustion chamber assembly 3 and the heat shield support 9 are fixed by riveting or spot welding by positioning points 110 located at both sides of the heat shield support 9.
In some embodiments, the lower end of the body-less heat exchanger 2 is connected to the combustion chamber group 3 by the left and right fixing brackets 10, and is fixed by screws.
In some embodiments, the exhaust hood 1 is screwed to the fixing brackets 10 on the left and right sides of the body-less heat exchanger 2.
In some embodiments, the bottom of the combustion chamber group 3 is provided with a fan 4;
the fan 4 is fixed on the combustion chamber fixing plate 5 through screws;
the bottom of the combustion chamber group 3 is fixed with a combustion chamber fixing plate 5 through screws.
In some embodiments, the carcass-less heat exchanger 2 employs a seven-tube heat exchanger tube configuration with louver-type low-height fins; 12 rows of high-efficiency large-scale burners are placed in the combustion chamber group 3.
In practical application, the copper material of the body-free heat exchanger 2 is greatly reduced in use amount compared with the copper material of a common heat exchanger, the seven-tube heat exchange tube structure is provided with the shutter type low-height fins, and the combustion chamber group 3 using a large-scale combustor can reduce the height of the combustion chamber, reduce the volume of the combustion chamber and enable the structure of the whole combustion system to be miniaturized.
In some embodiments, the back plate heat insulation material 7 clamped on the front plate group 6 of the combustion chamber is positioned at the upper end of the position of the induction pin 130 of the front plate of the combustion chamber group 3 and is compacted on the fins of the body-less heat exchanger 2 through screws on the periphery of the front plate group 6 of the combustion chamber.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. The gas water heater adopts a combustion system without a body heat exchanger and using a heat insulation material, and comprises an exhaust hood (1), a body heat exchanger (2) and a combustion chamber group (3) which are sequentially connected from top to bottom; the method is characterized in that:
the combustion chamber group (3) is of a box-shaped structure with an open front surface, the upper end of the combustion chamber group is provided with the body-free heat exchanger (2), and the front surface of the combustion chamber group is provided with the combustion chamber front plate group (6);
two side walls of the inner cavity of the combustion chamber group (3) and the back plate are respectively provided with a side wall heat insulation material (8) and a back plate heat insulation material (7), wherein the back plate of the combustion chamber group (3) is provided with a concave platform for conveniently placing the back plate heat insulation material (7);
the two side wall heat insulation materials (8) and the back plate heat insulation material (7) are fixed through two heat insulation plate supports (9) arranged on two side walls of the inner cavity of the combustion chamber group (3);
the two heat insulation plate supports (9) are symmetrically arranged on two side walls of an inner cavity of the combustion chamber group (3), are positioned at the lower end positions of the corresponding side wall heat insulation material (8) and the corresponding back plate heat insulation material (7), and are respectively provided with a side clamping hook (111), a back plate clamping hook (112) and a front plate clamping hook (113) corresponding to the two side walls of the inner cavity of the combustion chamber group (3), the back plate and the combustion chamber front plate group (6);
the distance between each side clamping hook (111) and the corresponding side wall of the combustion chamber group (3) is matched with the thickness of the corresponding side wall adiabatic material (8), and the lower end of the corresponding side wall adiabatic material (8) can be clamped;
the upper end of each side wall adiabatic material (8) extends to the position of a combustion chamber side bearing plate (114) of the combustion chamber group (3) and is clamped with the corresponding side wall of the combustion chamber group (3) by the combustion chamber side bearing plate (114);
the distance between the back plate clamping hook (112) and the concave platform of the back plate of the combustion chamber group (3) is matched with the thickness of the back plate adiabatic material (7), and the back plate adiabatic material can be clamped at the lower end of the back plate adiabatic material (7);
the upper end of the back plate heat insulation material (7) extends to the lower section of the rear fin of the non-carcass heat exchanger (2) and is tightly attached to the lower section of the rear fin;
the combustion chamber front plate group (6) is arranged on the front surface of the combustion chamber group (3), a concave table is arranged on the inner side surface of the combustion chamber front plate group, and the back plate heat insulation material (7) is placed in the concave table;
the upper end of the back plate heat insulation material (7) in the combustion chamber front plate group (6) extends to the lower end position of the front fin of the body-free heat exchanger (2) and is tightly attached to the lower end position of the front fin.
2. The gas water heater of claim 1, which employs a body-less heat exchanger and a combustion system using adiabatic material, wherein the back plate adiabatic material (7) and the sidewall adiabatic material (8) are made of ceramic fiber material.
3. The gas water heater of claim 1, which adopts a body-free heat exchanger and a combustion system using a heat insulation material, wherein the combustion chamber group (3) and the heat insulation plate support (9) are fixed by riveting or spot welding through positioning points (110) positioned at two sides of the heat insulation plate support (9).
4. The gas water heater of claim 1, which adopts a body-less heat exchanger and a combustion system using a heat insulating material, wherein the lower end of the body-less heat exchanger (2) is connected with the combustion chamber group (3) through fixing brackets (10) at the left and right sides and is fixed by screws.
5. The gas water heater employing a body-less heat exchanger and a combustion system using a heat insulator as claimed in claim 1, wherein the hood (1) is screwed to the fixing brackets (10) at the left and right sides of the body-less heat exchanger (2).
6. The gas water heater of claim 1, which adopts a body-free heat exchanger and a combustion system using a heat insulation material, wherein a fan (4) is arranged at the bottom of the combustion chamber group (3);
the fan (4) is fixed on the combustion chamber fixing plate (5) through screws;
the bottom of the combustion chamber group (3) is fixed with the combustion chamber fixing plate (5) through screws.
7. The gas water heater employing a body-less heat exchanger and a combustion system using athermalized materials as claimed in claim 1, wherein said body-less heat exchanger (2) employs a seven-tube heat exchange tube structure with louver-type low-height fins; 12 rows of high-efficiency large-scale combustors are arranged in the combustion chamber group (3).
8. The gas water heater adopts a body-free heat exchanger and a combustion system using heat insulation materials as claimed in claim 1, wherein the back plate heat insulation material (7) clamped on the front plate group (6) of the combustion chamber is positioned at the upper end of the position of the front plate induction needle (130) of the combustion chamber group (3) and is compacted on the fins of the body-free heat exchanger (2) through screws around the front plate group (6) of the combustion chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319240.XU CN215337116U (en) | 2021-06-15 | 2021-06-15 | Combustion system of gas water heater using heat exchanger without body and using adiabatic material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319240.XU CN215337116U (en) | 2021-06-15 | 2021-06-15 | Combustion system of gas water heater using heat exchanger without body and using adiabatic material |
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| CN215337116U true CN215337116U (en) | 2021-12-28 |
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| CN202121319240.XU Active CN215337116U (en) | 2021-06-15 | 2021-06-15 | Combustion system of gas water heater using heat exchanger without body and using adiabatic material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022152279A1 (en) * | 2021-01-15 | 2022-07-21 | 芜湖美的厨卫电器制造有限公司 | Gas apparatus and gas water heater |
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2021
- 2021-06-15 CN CN202121319240.XU patent/CN215337116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022152279A1 (en) * | 2021-01-15 | 2022-07-21 | 芜湖美的厨卫电器制造有限公司 | Gas apparatus and gas water heater |
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