CN211716855U - Water heating system and gas water heater - Google Patents
Water heating system and gas water heater Download PDFInfo
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- CN211716855U CN211716855U CN201922323989.0U CN201922323989U CN211716855U CN 211716855 U CN211716855 U CN 211716855U CN 201922323989 U CN201922323989 U CN 201922323989U CN 211716855 U CN211716855 U CN 211716855U
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Abstract
The utility model discloses a water heating system and a gas water heater, wherein the gas water heater is provided with the water heating system, the water heating system comprises a main water inlet pipe, a hollow box shell, a coil pipe and a shunt pipe, and the top of the box shell is provided with a heat exchange device; the coil pipe is wound on the box shell, the water inlet end of the coil pipe is communicated with the water inlet main pipe, and the water outlet end of the coil pipe is communicated with the heat exchange device; the water inlet end of the flow dividing pipe is communicated with the main water inlet pipe, and the water outlet end of the flow dividing pipe is communicated with the heat exchange device; the sum of the sectional area of the inner cavity of the coil pipe and the sectional area of the inner cavity of the shunt pipe is larger than that of the inner cavity of the water inlet main pipe; the ratio of the inner diameter of the shunt pipe to the inner diameter of the coil pipe is 4:8-6: 8. In the ratio range, the water flow of flowing through the coil pipe is larger than the flow of flowing through the shunt pipe, the flow speed is slowed down, the heat exchange time between the heat exchange device and the combustion chamber is longer, when the gas water heater works with the minimum heat load, the water temperature in the heat exchange device is higher, the temperature difference between the flue gas in the combustion chamber and the wall of the combustion chamber is smaller, and the generation of condensed water can be effectively prevented.
Description
Technical Field
The utility model relates to a gas heater technical field, in particular to water heating system and gas heater.
Background
At present, a heat exchange device on a gas water heater and a pipeline are generally made of oxygen-free copper materials, and are always troubled by the problem of high cost.
In the use of the gas water heater, water in the water inlet main pipe flows into the heat exchange device through the coil pipe, the flow speed of the water in the coil pipe is too high, the heat exchange time between the water and the combustion chamber is short, when the gas water heater works with the minimum heat load, the water temperature in the heat exchange device is low, the temperature difference between the smoke in the combustion chamber and the wall of the combustion chamber is large, and condensed water is easily generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a water heating system, water heating system can prevent the formation of comdenstion water.
The utility model also provides an use foretell gas heater.
According to the utility model discloses water heating system, include: a main water inlet pipe; the top of the hollow box shell is provided with a heat exchange device; the coil pipe is wound on the box shell, the water inlet end of the coil pipe is communicated with the water inlet main pipe, and the water outlet end of the coil pipe is communicated with the heat exchange device; the water inlet end of the flow dividing pipe is communicated with the water inlet main pipe, and the water outlet end of the flow dividing pipe is communicated with the heat exchange device;
the sum of the sectional area of the inner cavity of the coil pipe and the sectional area of the inner cavity of the shunt pipe is larger than the sectional area of the inner cavity of the water inlet main pipe; the ratio of the inner diameter of the shunt pipe to the inner diameter of the coil pipe is 4:8-6: 8.
According to the utility model discloses water heating system has following technological effect at least: one part of water in the water inlet main pipe directly flows to the heat exchange device, and the other part of water flows through the coil pipe and then flows to the heat exchange device after converging in the two paths of water before entering the heat exchange device. The sum of the sectional area of the inner cavity of the coil pipe and the sectional area of the inner cavity of the shunt pipe is larger than the sectional area of the inner cavity of the main water inlet pipe, the ratio of the inner diameter of the shunt pipe to the inner diameter of the coil pipe is 4:8-6:8, the flow rate of water flowing through the coil pipe is larger than the flow rate of water flowing through the shunt pipe within the range of the ratio, the flow speed is reduced, the heat exchange time with the combustion chamber is longer, when the gas water heater works with the minimum heat load, the temperature of water in the heat exchange device is higher, the temperature difference between smoke in the combustion chamber and the wall of the. The ratio is smaller than the range, increasing the production cost, while the ratio is larger than the range, the heat exchange effect is not good.
According to some embodiments of the invention, a ratio of an inner diameter of the shunt tube to an inner diameter of the coil is 4.5:8 to 6:8
According to some embodiments of the invention, a ratio of an inner diameter of the shunt tube to an inner diameter of the coil is 5: 8.
According to the utility model discloses a some embodiments still include the flow divider, the flow divider install in it is responsible for to intake on, the coil pipe the end of intaking with the end of intaking of shunt tubes is all passed through the flow divider with it is responsible for the intercommunication to intake, is convenient for adjust.
According to the utility model discloses a some embodiments still include the confluence valve, the confluence valve install in heat transfer device is last, the play water end of coil pipe with the play water end of shunt tubes all passes through the confluence valve with heat transfer device intercommunication is convenient for adjust.
According to the utility model discloses a few embodiments, the bottom of case shell is provided with the mounting hole, the installation case shell of being convenient for.
According to the utility model discloses gas heater of second aspect embodiment, include according to the utility model discloses the water heating system of the above-mentioned first aspect embodiment.
According to the utility model discloses gas heater has following beneficial effect at least: the water heating system is installed on the gas water heater, one part of water in the water inlet main pipe directly flows to the heat exchange device, and the other part of water flows through the coil pipe and then flows to the heat exchange device after converging in the two paths of water before entering the heat exchange device. The sum of the sectional area of the inner cavity of the coil pipe and the sectional area of the inner cavity of the shunt pipe is larger than the sectional area of the inner cavity of the main water inlet pipe, the ratio of the inner diameter of the shunt pipe to the inner diameter of the coil pipe is 4:8-6:8, the flow rate of water flowing through the coil pipe is larger than the flow rate of water flowing through the shunt pipe within the range of the ratio, the flow speed is reduced, the heat exchange time with the combustion chamber is longer, when the gas water heater works with the minimum heat load, the temperature of water in the heat exchange device is higher, the temperature difference between smoke in the combustion chamber and the wall of the. The ratio is smaller than the range, increasing the production cost, while the ratio is larger than the range, the heat exchange effect is not good.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a water heating system according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of the configuration of the water path of the diverter valve;
fig. 3 is a schematic diagram of a waterway structure of the confluence valve.
Reference numerals:
a main water inlet pipe 10;
a box shell 20 and a mounting hole 21;
a heat exchange device 30;
a coil 40;
a shunt tube 50;
a flow dividing valve 60;
a confluence valve 70.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in fig. 1, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, if a plurality of, more than, less than, more than, etc. appear, a plurality of means are one or a plurality of, a plurality of means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, etc. are understood as including the number. If the first and the third are described for the purpose of distinguishing technical features, the description is not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1, a water heating system according to an embodiment of the present invention includes a main water inlet pipe 10, a hollow box casing 20, a coil pipe 40, and a shunt pipe 50, wherein a heat exchange device 30 is disposed at the top of the box casing 20; the coil 40 is wound on the box shell 20, the water inlet end of the coil 40 is communicated with the water inlet main pipe 10, and the water outlet end of the coil 40 is communicated with the heat exchange device 30; the water inlet end of the shunt pipe 50 is communicated with the water inlet main pipe 10, and the water outlet end of the shunt pipe 50 is communicated with the heat exchange device 30;
the sum of the sectional area of the inner cavity of the coil pipe 40 and the sectional area of the inner cavity of the shunt pipe 50 is larger than the sectional area of the inner cavity of the main water inlet pipe 10; the ratio of the inside diameter of the shunt tube 50 to the inside diameter of the coil 40 is 4:8 to 6: 8.
According to the utility model discloses water heating system, the partly direct stream of water of the person in charge 10 that intakes flows to heat transfer device 30, and another part of water flows through coil pipe 40, flows to heat transfer device 30 after two tunnel water converge before getting into heat transfer device 30 afterwards. The sum of the sectional area of the inner cavity of the coil pipe 40 and the sectional area of the inner cavity of the shunt pipe 50 is larger than the sectional area of the inner cavity of the main water inlet pipe 10, the ratio of the inner diameter of the shunt pipe 50 to the inner diameter of the coil pipe 40 is 4:8-6:8, in the range of the ratio, the water flow flowing through the coil pipe 40 is larger than the flow flowing through the shunt pipe 50, the flow speed is slow, the heat exchange time with a combustion chamber is long, when the gas water heater works with the minimum heat load, the temperature of water in the heat exchange device 30 is high, the temperature difference between smoke in the combustion chamber and the wall of the combustion chamber is. The ratio is smaller than the range, increasing the production cost, while the ratio is larger than the range, the heat exchange effect is not good.
In some of these embodiments, the ratio of the inner diameter of the shunt tube 50 to the inner diameter of the coil 40 is 4.5:8 to 6: 8.
In an embodiment of the present invention, the ratio of the inner diameter of the shunt tube 50 to the inner diameter of the coil 40 is 5: 8. Under this ratio, with the tubular product of wall thickness, can make whole water heating system's weight reduction, the quality of gas heater also obtains effectual assurance.
Referring to fig. 2, in the embodiment of the present invention, a diverter valve 60 is further included, the diverter valve 60 is installed on the main water inlet pipe 10, and the water inlet end of the coil pipe 40 and the water inlet end of the diverter pipe 50 are both communicated with the main water inlet pipe 10 through the diverter valve 60, so as to facilitate adjustment.
Referring to fig. 3, in the embodiment of the present invention, a flow converging valve 70 is further included, the flow converging valve 70 is installed on the heat exchanging device 30, and the water outlet end of the coil pipe 40 and the water outlet end of the shunt pipe 50 are both communicated with the heat exchanging device 30 through the flow converging valve 70, so as to facilitate adjustment.
The embodiment of the utility model provides an in, the bottom of case shell 20 is provided with mounting hole 21, the installation case shell 20 of being convenient for.
According to the utility model discloses gas heater of second aspect embodiment, include according to the utility model discloses the water heating system of the above-mentioned first aspect embodiment.
According to the utility model discloses gas heater installs this water heating system on gas heater, and the person in charge of intaking 10 partly direct stream to heat transfer device 30, and another partly water stream flows through coil pipe 40, flows to heat transfer device 30 after two tunnel water converge before getting into heat transfer device 30. The sum of the sectional area of the inner cavity of the coil pipe 40 and the sectional area of the inner cavity of the shunt pipe 50 is larger than the sectional area of the inner cavity of the main water inlet pipe 10, the ratio of the inner diameter of the shunt pipe 50 to the inner diameter of the coil pipe 40 is 4:8-6:8, in the range of the ratio, the water flow flowing through the coil pipe 40 is larger than the flow flowing through the shunt pipe 50, the flow speed is slow, the heat exchange time with a combustion chamber is long, when the gas water heater works with the minimum heat load, the temperature of water in the heat exchange device 30 is high, the temperature difference between smoke in the combustion chamber and the wall of the combustion chamber is. The ratio is smaller than the range, increasing the production cost, while the ratio is larger than the range, the heat exchange effect is not good.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A water heating system, comprising:
a main water inlet pipe (10);
a hollow box shell (20), the top of which is provided with a heat exchange device (30);
the coil (40) is wound on the box shell (20), the water inlet end of the coil (40) is communicated with the main water inlet pipe (10), and the water outlet end of the coil (40) is communicated with the heat exchange device (30);
the water inlet end of the shunt pipe (50) is communicated with the main water inlet pipe (10), and the water outlet end of the shunt pipe (50) is communicated with the heat exchange device (30);
the sum of the sectional area of the inner cavity of the coil pipe (40) and the sectional area of the inner cavity of the shunt pipe (50) is larger than the sectional area of the inner cavity of the main water inlet pipe (10);
the ratio of the inner diameter of the shunt pipe (50) to the inner diameter of the coil pipe (40) is 4:8-6: 8.
2. The water heating system according to claim 1, wherein: the ratio of the inner diameter of the shunt pipe (50) to the inner diameter of the coil pipe (40) is 4.5:8-6: 8.
3. The water heating system according to claim 2, wherein: the ratio of the inner diameter of the shunt tube (50) to the inner diameter of the coil (40) is 5: 8.
4. The water heating system according to claim 1, wherein: still include diverter valve (60), diverter valve (60) install in on the main pipe (10) of intaking, the end of intaking of coil pipe (40) with the end of intaking of shunt tubes (50) all passes through diverter valve (60) with the main pipe (10) intercommunication of intaking.
5. The water heating system according to claim 1 or 4, wherein: the heat exchanger further comprises a flow converging valve (70), the flow converging valve (70) is installed on the heat exchanger (30), and the water outlet end of the coil pipe (40) and the water outlet end of the flow dividing pipe (50) are communicated with the heat exchanger (30) through the flow converging valve (70).
6. The water heating system according to claim 1, wherein: the bottom of the box shell (20) is provided with a mounting hole (21).
7. Gas water heater characterized in that it comprises a water heating system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323989.0U CN211716855U (en) | 2019-12-20 | 2019-12-20 | Water heating system and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323989.0U CN211716855U (en) | 2019-12-20 | 2019-12-20 | Water heating system and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211716855U true CN211716855U (en) | 2020-10-20 |
Family
ID=72819503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922323989.0U Active CN211716855U (en) | 2019-12-20 | 2019-12-20 | Water heating system and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211716855U (en) |
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2019
- 2019-12-20 CN CN201922323989.0U patent/CN211716855U/en active Active
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