CN219083384U - Constant temperature gas heating water heater - Google Patents
Constant temperature gas heating water heater Download PDFInfo
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- CN219083384U CN219083384U CN202222930572.2U CN202222930572U CN219083384U CN 219083384 U CN219083384 U CN 219083384U CN 202222930572 U CN202222930572 U CN 202222930572U CN 219083384 U CN219083384 U CN 219083384U
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Abstract
The constant temperature gas heating water heater comprises a burner, a first heat exchanger, a heating pipeline, a second heat exchanger and a domestic water pipeline, wherein the first heating circulation pipeline and the second heating circulation pipeline are connected between a hot water end and a cold water end of the heating pipeline, and the heat exchange speed of the second heat exchanger is higher than that of the third heat exchanger; the four-way valve is arranged on the heating pipeline, the first heating circulating pipeline and the domestic water pipeline exchange heat in the second heat exchanger, and the second heating circulating pipeline and the domestic water pipeline exchange heat in the third heat exchanger; the hot water end of the heating pipeline is provided with a first temperature sensor which is linked with the four-way valve. The second heat exchanger is used for heating hot water and heating living water rapidly, the third heat exchanger is a low-efficiency heat exchanger and used for maintaining slow heat exchange of heating hot water and living water, and the living water outlet temperature is prevented from being too high, so that users are prevented from being scalded.
Description
Technical Field
The utility model relates to a heating device, in particular to a heating stove for heating and domestic water.
Background
When the heating water heater is switched from the heating circulation mode to the domestic water heating mode in winter, a section of high-temperature water can be generated. After the living water is started, the three-way valve is switched to small circulation (namely a first circulation loop), and the original high-temperature water in the heating circulation pipeline flows through the plate exchanger to heat the living water. When a user opens domestic water, a section of high-temperature water flows out first, so that unknowing user scalds are easily caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a constant-temperature gas heating water heater capable of automatically adjusting the temperature of the generated water according to the outlet water temperature of a heating pipeline.
The technical scheme adopted for solving the technical problems is as follows: the constant temperature gas heating water heater comprises a burner, a first heat exchanger, a heating pipeline, a second heat exchanger and a domestic water pipeline, wherein the burner is positioned below the first heat exchanger and heats the first heat exchanger;
the four-way valve is arranged on the heating pipeline, the water inlet end of the four-way valve is connected with the hot water end of the heating pipeline, the first water outlet end is connected with the heating water outlet, the second water outlet end is connected with the water inlet end of the first heating circulating pipeline, the third water outlet end is connected with the water inlet end of the second heating circulating pipeline, the first heating circulating pipeline and the domestic water pipeline exchange heat in the second heat exchanger, and the second heating circulating pipeline and the domestic water pipeline exchange heat in the third heat exchanger;
the hot water end of the heating pipeline is provided with a first temperature sensor which is linked with the four-way valve.
Further, a water supplementing pipe is arranged between the water inlet end of the domestic water pipeline and the cold water end of the heating pipeline, and a water supplementing valve is arranged on the water supplementing pipe.
Preferably, the second heat exchanger is a plate heat exchanger.
The water inlet end and the water outlet end of the domestic water pipeline are respectively provided with a second temperature sensor and a third temperature sensor.
When the domestic water heating requirement exists in the heating process, if the temperature of the heating outlet water detected by the first temperature sensor is higher at the moment, the four-way valve is switched to control the heating outlet water to flow to the second heating circulation pipeline, and the domestic water is heated by the third heat exchanger, so that the temperature of the domestic outlet water is prevented from being too high; after the temperature of the heating water outlet is reduced, the four-way valve is switched to control the heating water outlet to flow to the first heating circulation pipeline, and domestic water is rapidly heated through the second heat exchanger.
Compared with the prior art, the utility model has the advantages that: the second heat exchanger is used for heating hot water and heating living water rapidly, the third heat exchanger is a low-efficiency heat exchanger and used for maintaining slow heat exchange of heating hot water and living water, and the living water outlet temperature is prevented from being too high, so that users are prevented from being scalded.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1, the constant temperature gas heating water heater in this embodiment includes a burner 31, a fan 32, a first heat exchanger 21, a heating pipe 1, a second heat exchanger 22, a domestic water pipe 8, a first heating circulation pipe 61, a second heating circulation pipe 62 and a third heat exchanger 23, the fan 32 is disposed on an air outlet, the burner 31 is disposed below the first heat exchanger 21 and heats the first heat exchanger 21, the heating pipe 1 passes through the first heat exchanger 21, the first heating circulation pipe 61 and the second heating circulation pipe 62 are connected between a hot water end and a cold water end of the heating pipe 1, and a heat exchange speed of the second heat exchanger 22 is greater than a heat exchange speed of the third heat exchanger 23. The second heat exchanger 22 is a plate heat exchanger.
The heating pipeline 1 is provided with a four-way valve 4, the water inlet end of the four-way valve 4 is connected with the hot water end of the heating pipeline 1, the first water outlet end is connected with a heating water outlet, the second water outlet end is connected with the water inlet end of the first heating circulating pipeline 61, the third water outlet end is connected with the water inlet end of the second heating circulating pipeline 62, the first heating circulating pipeline 61 and the domestic water pipeline 8 exchange heat in the second heat exchanger 22, and the second heating circulating pipeline 62 and the domestic water pipeline 8 exchange heat in the third heat exchanger 23; the heating pipeline 1 is also provided with a circulating pump 11, a flowmeter 12 and an expansion tank 33.
A first temperature sensor 51 is provided at the hot water side of the heating line 1, and the first temperature sensor 51 is linked with the four-way valve 4. The water inlet end and the water outlet end of the domestic water pipeline 8 are respectively provided with a second temperature sensor 52 and a third temperature sensor 53. A flow sensor 54 is arranged on the domestic water pipeline 8.
A water supplementing pipe 7 is arranged between the water inlet end of the domestic water pipeline 8 and the cold water end of the heating pipeline 1, and a water supplementing valve 71 is arranged on the water supplementing pipe 7.
When the domestic water heating requirement exists in the heating process, if the temperature of the heating outlet water detected by the first temperature sensor is higher at the moment, the four-way valve is switched to control the heating outlet water to flow to the second heating circulation pipeline, and the domestic water is heated by the third heat exchanger, so that the temperature of the domestic outlet water is prevented from being too high; after the temperature of the heating water outlet is reduced, the four-way valve is switched to control the heating water outlet to flow to the first heating circulation pipeline, and domestic water is rapidly heated through the second heat exchanger.
Claims (4)
1. The utility model provides a constant temperature gas heating water heater, including combustor (31), first heat exchanger (21), heating pipeline (1), second heat exchanger (22) and life water pipeline (8), aforementioned combustor (31) are located first heat exchanger (21) below and heat first heat exchanger (21), aforementioned heating pipeline (1) is through first heat exchanger (21), characterized by still including first heating circulation pipeline (61), second heating circulation pipeline (62) and third heat exchanger (23), aforementioned first heating circulation pipeline (61), second heating circulation pipeline (62) are all connected between the hot water end and the cold water end of heating pipeline (1), the heat transfer speed of aforementioned second heat exchanger (22) is greater than the heat transfer speed of third heat exchanger (23);
the four-way valve (4) is arranged on the heating pipeline (1), the water inlet end of the four-way valve (4) is connected with the hot water end of the heating pipeline (1), the first water outlet end is connected with a heating water outlet, the second water outlet end is connected with the water inlet end of the first heating circulating pipeline (61), the third water outlet end is connected with the water inlet end of the second heating circulating pipeline (62), the first heating circulating pipeline (61) and the domestic water pipeline (8) exchange heat in the second heat exchanger (22), and the second heating circulating pipeline (62) and the domestic water pipeline (8) exchange heat in the third heat exchanger (23);
the hot water end of the heating pipeline (1) is provided with a first temperature sensor (51), and the first temperature sensor (51) is linked with the four-way valve (4).
2. The constant temperature gas heating water heater according to claim 1, characterized in that a water supplementing pipe (7) is arranged between the water inlet end of the living water pipeline (8) and the cold water end of the heating pipeline (1), and a water supplementing valve (71) is arranged on the water supplementing pipe (7).
3. A constant temperature gas heating water heater as claimed in claim 1, wherein said second heat exchanger (22) is a plate heat exchanger.
4. The constant temperature gas heating water heater as claimed in claim 1, wherein the water inlet end and the water outlet end of the domestic water pipeline (8) are respectively provided with a second temperature sensor (52) and a third temperature sensor (53).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222930572.2U CN219083384U (en) | 2022-11-01 | 2022-11-01 | Constant temperature gas heating water heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222930572.2U CN219083384U (en) | 2022-11-01 | 2022-11-01 | Constant temperature gas heating water heater |
Publications (1)
Publication Number | Publication Date |
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CN219083384U true CN219083384U (en) | 2023-05-26 |
Family
ID=86399458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222930572.2U Active CN219083384U (en) | 2022-11-01 | 2022-11-01 | Constant temperature gas heating water heater |
Country Status (1)
Country | Link |
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CN (1) | CN219083384U (en) |
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2022
- 2022-11-01 CN CN202222930572.2U patent/CN219083384U/en active Active
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