CN112197434A - Domestic hot water system and working method thereof - Google Patents
Domestic hot water system and working method thereof Download PDFInfo
- Publication number
- CN112197434A CN112197434A CN202011207464.1A CN202011207464A CN112197434A CN 112197434 A CN112197434 A CN 112197434A CN 202011207464 A CN202011207464 A CN 202011207464A CN 112197434 A CN112197434 A CN 112197434A
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- water
- water tank
- heat supply
- user side
- port
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 369
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a domestic hot water system and a working method thereof, and the domestic hot water system comprises a water tank, a heat supply side water gap, a heat supply side cold water gap, a user side water gap water distribution disc, a heat supply side water gap water distribution disc, a user side water gap, a heat exchanger, a water replenishing gap, a water tank upper part temperature sensor, a water tank middle part temperature sensor and a water tank lower part temperature sensor; the invention effectively avoids the problems that the cold water and the hot water in the traditional water tank are not mixed uniformly, and a user uses water and is hot when the water is cold. The heat supply side runs intermittently, so that the electricity consumption is reduced, the running cost is saved, and the environmental protection requirement of energy conservation and emission reduction is met.
Description
Technical Field
The invention relates to the technical field of thermal control, in particular to a domestic hot water system and a working method thereof.
Background
In a traditional heat supply system, such as a hotel, a bath, a hot spring and the like, the whole hot water supply tank is taken as a constant-temperature whole body for heat control, namely water is supplemented to the top of the water tank; hot water is fed into the heat supply side, and cold water is discharged from the heat supply side; the user side is provided with hot water at the lower part and water at the upper part. However, due to the water circulation, turbulent flow is formed at the cold and hot alternation position in the water tank, the heat exchange efficiency of the whole heating system is reduced, and great energy waste is caused. In the water replenishing process, cold water and hot water in the water tank cannot be uniformly mixed, so that water for a user is often hot and cold, and the water quality of the final user is influenced. In addition, the heating method is continuously operated for 24 hours, namely, the water circulation at the heating side is circulated and heated for 24 hours, the water circulation at the user side is also circulated and operated for 24 hours, and the power consumption of the circulating pump is also great expense.
Disclosure of Invention
The invention provides a domestic hot water system and a working method thereof, aiming at solving the problems of low heat exchange efficiency, poor water quality, electricity consumption and the like of the traditional heating system.
The technical scheme adopted by the invention for realizing the purpose is as follows: the system comprises a water tank, a heat supply side water port, a heat supply side cold water port, a user side water return port, a user side water port and a water replenishing port; the user side water port of the water tank is arranged at the upper part of the user side of the water tank, the user side water return port of the water tank is arranged at the lower part of the user side of the water tank, the heat supply side cold water port of the water tank is arranged at the lower part of the heat supply side of the water tank, the heat supply side water port of the water tank is arranged at the middle part of the heat supply side of the water tank, and the water.
Preferably, the domestic hot water system further comprises a user side water inlet water distribution disc, a heat supply side water inlet water distribution disc, a user side water return port water distribution disc, a heat exchanger, a water tank upper part temperature sensor, a water tank middle part temperature sensor and a water tank lower part temperature sensor; a user side hot water port water distribution disc is arranged at the upper part in the water tank and is connected with a user side hot water port, and water distribution holes of the user side hot water port water distribution disc are upward; a water distribution disc of a user side water return port is arranged at the lower part in the water tank, one end of the water distribution disc of the user side water return port is connected with the user side water return port, the other end of the water distribution disc of the user side water return port is connected with a heat supply side cold water port, and water distribution holes of the water distribution disc of the user side water return port face downwards; a heat supply side water gap water distribution disc is arranged in the middle of the water tank and is connected with a heat supply side water gap, and water distribution holes of the heat supply side water gap water distribution disc are upward; at least one temperature sensor is respectively arranged at the upper, middle and lower three heights in the water tank, wherein the temperature sensor at the upper part of the water tank is arranged beside a water distribution disc at the side of a heat supply side water gap at the middle height of the water tank, the temperature sensor at the middle part of the water tank is arranged beside the water distribution disc at the side of a heat supply side water gap at the middle height of the water tank, the temperature sensor at the lower part of the water tank is arranged beside a water distribution disc at the side of a user side water return gap at the lower part of.
Preferably, the heat exchanger comprises a plate heat exchanger, a shell-and-tube heat exchanger, a boiler, an electric heater and a solar water heater.
Preferably, a water level gauge is arranged at the upper part of the water tank.
The working method of the domestic hot water system is that the user side of the water tank supplies hot water continuously for 24 hours, the water pump runs continuously for 24 hours, the heat supply side of the water tank supplies heat intermittently, whether the water supply is started or not is determined according to the temperature sensors at the upper, middle and lower heights in the water tank, when the temperature measured by the temperature sensor at the middle part of the water tank is lower than the required temperature, the water circulating pump at the heat supply side is started to supplement heat for the water tank until the temperature sensor at the middle part of the water tank reaches the required temperature, which indicates that the water temperature of the water tank is reduced due to; when the water level meter measures that the liquid level of the water tank is low, the water replenishing port is opened to replenish cold water to the water tank; when the temperature sensor at the lower part of the water tank monitors low temperature, the temperature of the water body of the water tank is reduced due to the supplemented cold water, and then the water circulating pump at the heat supply side is started to heat the water tank.
The invention has the beneficial effect of effectively avoiding the problems of uneven mixing of cold water and hot water in the traditional water tank and the problem that a user is hot when the user uses water but cold. The heat supply side runs intermittently, so that the electricity consumption is reduced, the running cost is saved, and the environmental protection requirement of energy conservation and emission reduction is met.
Drawings
FIG. 1 is a schematic diagram of a domestic hot water system;
FIG. 2 is a water distribution plate of a user side water gap;
FIG. 3 is a side water gap distribution plate of a heat supply side;
FIG. 4 is a water distribution plate of a user side water return port;
wherein: 1. a water tank; 2. a heat supply side water port; 3. a heat supply side cold water port; 4. a user side hot water inlet water distribution disc; 5. a heat supply side water gap water distribution disc; 6. a water distribution disc at a user side water return port; 7. a user side water return port; 8. a user-side hot water port; 9. a heat exchanger; 10. a water replenishing port; 11. a temperature sensor at the upper part of the water tank; 12. a temperature sensor in the middle of the water tank; 13. a temperature sensor at the lower part of the water tank; 14. a water level gauge.
Detailed Description
The domestic hot water system comprises a water tank 1, a heat supply side water port 2, a heat supply side cold water port 3, a user side water port water distribution disc 4, a heat supply side water port water distribution disc 5, a user side water return port water distribution disc 6, a user side water return port 7, a user side water port 8, a heat exchanger 9, a water supplementing port 10, a water tank upper portion temperature sensor 11, a water tank middle portion temperature sensor 12, a water tank lower portion temperature sensor 13 and a water level meter 14.
As shown in fig. 1-4: the user side hot water port 8 of the water tank 1 is arranged at the upper part of one side of the water tank 1, the upper part in the water tank 1 is provided with a user side hot water port water distribution disc 4, the water distribution holes of the user side hot water port water distribution disc 4 are upward, and hot water is uniformly sucked from the upper part of the water tank 1.
The user side water return port 7 of the water tank 1 is arranged at the lower part of one side of the water tank 1, a user side water return port water distribution disc 6 is arranged at the lower part in the water tank 1, water distribution holes of the user side water return port water distribution disc 6 face downwards, and cold water returned by a user is uniformly distributed at the lower part of the water tank 1.
The water replenishment port 10 of the water tank 1 is provided at a lower portion of the water tank 1, and the replenishment cold water is distributed at the lower portion of the water tank 1.
The heat supply side cold water port 3 of the water tank 1 is arranged at the lower part of the other side of the water tank 1, shares a user side water return port water distribution disc 6 in the water tank 1 with the user side water return port 7, and uniformly sucks cold water from the lower part of the water tank 1.
The heat supply side water gap 2 of the water tank 1 is arranged in the middle of the other side of the water tank 1, a heat supply side water gap distribution plate 5 is arranged in the water tank 1, the distribution holes of the heat supply side water gap distribution plate 5 face upwards, and hot water is uniformly distributed to the upper part of the water tank 1.
Three temperature sensors are respectively arranged at the upper, middle and lower three heights in the water tank 1, and a water tank upper temperature sensor 11 is arranged beside the upper user side hot water inlet water distribution disc 4 and is used for monitoring the water temperature of a user. The water tank middle temperature sensor 12 is arranged at the middle height position of the water tank 1 and beside the heat supply side water inlet distribution plate 5 and is used for monitoring the water temperature of the water tank middle part. The water tank lower part temperature sensor 13 is arranged at the lower part of the water tank 1 and beside the water distribution disc 6 of the user side water return port and is used for monitoring the temperature of the water at the lower part of the water tank.
The heat exchanger 9 is respectively connected with the heat supply side water port 2 and the heat supply side cold water port 3 to provide hot water for the water tank 1.
The heater 9 may be a plate heat exchanger, a shell-and-tube heat exchanger, a boiler, an electric heater, a solar water heater.
The user side of the water tank 1 is continuously supplied with hot water for 24 hours, and the water pump is continuously operated for 24 hours.
The heat supply side of the water tank 1 is intermittently supplied with heat. Whether to start the supply is determined according to the temperature sensors at three levels, upper, middle, and lower, in the water tank 1. When the temperature measured by the water tank middle temperature sensor 12 is lower than the required temperature, which indicates that the water temperature of the water tank is reduced due to the backwater of a user, a heat supply side water circulating pump is started to supplement heat for the water tank 1 until the water tank middle temperature sensor 12 in the middle of the water tank 1 reaches the required temperature; when the water level meter 14 measures that the liquid level of the water tank 1 is low, the water replenishing port 10 is opened to replenish cold water to the water tank 1. When the temperature sensor 13 at the lower part of the water tank detects low temperature, the water temperature of the water tank is reduced due to the supplemented cold water, and then the water circulating pump at the heat supply side is started to heat the water tank 1.
Claims (5)
1. Life hot water system, its characterized in that: comprises a water tank (1), a heat supply side water port (2), a heat supply side cold water port (3), a user side water return port (7), a user side water port (8) and a water replenishing port (10); a user side water inlet (8) of the water tank (1) is arranged at the upper part of the user side of the water tank (1), a user side water return port (7) of the water tank (1) is arranged at the lower part of the user side of the water tank (1), a heat supply side cold water port (3) of the water tank (1) is arranged at the lower part of the heat supply side of the water tank (1), a heat supply side water inlet (2) of the water tank (1) is arranged in the middle of the heat supply side of the water tank (1), and a water replenishing port (10) of the water tank (1).
2. The domestic water heating system of claim 1, wherein: the domestic hot water system also comprises a user side hot water inlet water distribution disc (4), a heat supply side hot water inlet water distribution disc (5), a user side return water inlet water distribution disc (6), a heat exchanger (9), a water tank upper part temperature sensor (11), a water tank middle part temperature sensor (12) and a water tank lower part temperature sensor (13); a user side hot water port water distribution disc (4) is arranged at the upper part in the water tank (1), the user side hot water port water distribution disc (4) is connected with a user side hot water port (8), and water distribution holes of the user side hot water port water distribution disc (4) are upward; a user side water return port water distribution disc (6) is arranged at the lower part in the water tank (1), one end of the user side water return port water distribution disc (6) is connected with a user side water return port (7), the other end of the user side water return port water distribution disc is connected with a heat supply side cold water port (3), and water distribution holes of the user side water return port water distribution disc (6) face downwards; a heat supply side water gap water distribution plate (5) is arranged in the middle of the water tank (1), the heat supply side water gap water distribution plate (5) is connected with the heat supply side water gap (2), and water distribution holes of the heat supply side water gap water distribution plate (5) are upward; at least one temperature sensor is respectively arranged at the upper, middle and lower three heights in the water tank (1), wherein the temperature sensor (11) at the upper part of the water tank is arranged beside the water distribution disk (4) at the side of the upper user side water gap, the temperature sensor (12) at the middle part of the water tank is arranged beside the water distribution disk (5) at the side of the heat supply side water gap at the middle height of the water tank (1), the temperature sensor (13) at the lower part of the water tank is arranged beside the water distribution disk (6) at the user side water return port at the lower part of the water tank (1), and the heat exchanger (9) is respectively connected with the heat supply side water gap (.
3. The domestic water heating system of claim 1, wherein: the heat exchanger (9) comprises a plate type heat exchanger, a shell-and-tube type heat exchanger, a boiler, an electric heater and a solar water heater.
4. The domestic water heating system of claim 1, wherein: the upper part of the water tank (1) is provided with a water level meter (14).
5. The method of operating a domestic hot water system according to claim 1, wherein: the user side of the water tank (1) continuously supplies hot water for 24 hours, the water pump continuously runs for 24 hours, the heat supply side of the water tank (1) intermittently supplies heat, whether the supply is started or not is determined according to the temperature sensors at the upper, middle and lower heights in the water tank (1), when the temperature measured by the temperature sensor (12) in the middle of the water tank is lower than the required temperature, the water circulating pump at the heat supply side is started to supplement heat for the water tank (1) until the temperature sensor (12) in the middle of the water tank (1) reaches the required temperature, which indicates that the water temperature in the water tank is reduced due to the backwater of the user; when the water level meter (14) measures that the liquid level of the water tank (1) is low, the water replenishing port (10) is opened to replenish cold water to the water tank (1); when the temperature sensor (13) at the lower part of the water tank monitors low temperature, the water temperature of the water tank is reduced due to the supplemented cold water, and then the water circulating pump at the heat supply side is started to heat the water tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207464.1A CN112197434A (en) | 2020-11-03 | 2020-11-03 | Domestic hot water system and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207464.1A CN112197434A (en) | 2020-11-03 | 2020-11-03 | Domestic hot water system and working method thereof |
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| Publication Number | Publication Date |
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| CN112197434A true CN112197434A (en) | 2021-01-08 |
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| CN202011207464.1A Pending CN112197434A (en) | 2020-11-03 | 2020-11-03 | Domestic hot water system and working method thereof |
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| CN106440020A (en) * | 2016-11-22 | 2017-02-22 | 华电能源股份有限公司富拉尔基发电厂 | Heat storage cylinder body capable of automatically monitoring the water compensation |
| CN206269236U (en) * | 2016-11-22 | 2017-06-20 | 华电能源股份有限公司富拉尔基发电厂 | A kind of accumulation of heat tank body of automatic monitoring moisturizing |
| CN206269219U (en) * | 2016-11-22 | 2017-06-20 | 华电能源股份有限公司富拉尔基发电厂 | A kind of automatic monitor-type hold over system |
| CN206269651U (en) * | 2016-11-22 | 2017-06-20 | 华电能源股份有限公司富拉尔基发电厂 | A kind of automaton of heat-accumulator tank transition region thickness |
| CN109855300A (en) * | 2017-11-30 | 2019-06-07 | 西安兰鑫工业自动化工程有限公司 | A kind of uniformly heated heating boiler based on PLC control |
| CN108332603A (en) * | 2018-04-20 | 2018-07-27 | 张家港市清源水处理有限公司 | A kind of cooling tower cleaning device of sewage disposal |
| CN211345851U (en) * | 2019-08-29 | 2020-08-25 | 江西中氟化学材料科技股份有限公司 | Utilize air waste heat heating hot-water tank |
| CN214038971U (en) * | 2020-11-03 | 2021-08-24 | 田国涛 | Domestic hot water system |
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