CN216790519U - High low temperature water tank circulation heating control system - Google Patents
High low temperature water tank circulation heating control system Download PDFInfo
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- CN216790519U CN216790519U CN202220188273.3U CN202220188273U CN216790519U CN 216790519 U CN216790519 U CN 216790519U CN 202220188273 U CN202220188273 U CN 202220188273U CN 216790519 U CN216790519 U CN 216790519U
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- temperature
- motorised valve
- high temperature
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 239000008236 heating water Substances 0.000 claims abstract description 30
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000003020 moisturizing effect Effects 0.000 abstract description 2
- 238000005338 heat storage Methods 0.000 description 20
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a high low temperature water tank hot water heating control system, includes high temperature hot water storage tank, low temperature heating water tank, high temperature hot water storage tank and low temperature heating water tank on all set up temperature sensor and level sensor, low temperature heating water tank connect gradually through thin wall stainless steel pipeline low temperature water tank export motorised valve, circulating water pump, heat pump set, low temperature water tank entry motorised valve with low temperature heating water tank link to each other, low temperature heating water tank link to each other through moisturizing motorised valve and life running water pipeline, high temperature hot water storage tank pass through thin wall stainless steel pipeline in proper order through high temperature water tank export motorised valve, circulating water pump, heat pump set, high temperature water tank entry motorised valve with high temperature hot water storage tank link to each other, constitute open hot water circulation loop. The utility model can satisfy the stable water temperature of the domestic hot water and solve the quality guarantee problem of the hot water temperature.
Description
Technical Field
The utility model belongs to the technical field of building energy conservation, and particularly relates to a high-low temperature water tank circulation heating control system.
Background
In the current hotel hot water supply system, the building energy-saving technology is applied, a hot water boiler (or a steam boiler) and a positive displacement heat exchanger are often replaced by a heat pump and a domestic water tank heat storage mode, the problem that the heating energy consumption of a hot water system boiler is high is solved, but for the high requirement of a high-star hotel on the domestic hot water supply temperature quality, the problems of water tank water supplement, hot water heating, heating control and the like easily influence the hot water supply temperature quality.
Disclosure of Invention
Aiming at the defects of the heating of the domestic hot water system, the utility model provides a high-low temperature domestic hot water heating control system, which can meet the requirement of stable domestic hot water supply temperature and solve the quality guarantee problem of hot water temperature.
The technical solution of the utility model is as follows:
a high-low temperature water tank hot water heating control system is characterized by comprising a high-temperature water tank inlet electric valve, a high-temperature heat storage water tank, a high-temperature water tank outlet electric valve, a low-temperature water tank outlet electric valve, a circulating water pump, a low-temperature heating water tank, a heat pump unit, a low-temperature water tank inlet electric valve, a constant-pressure variable-frequency water supply pump and a controller, wherein the high-temperature heat storage water tank and the low-temperature heating water tank are both provided with a temperature sensor and a liquid level sensor, the low-temperature heating water tank is sequentially connected with the low-temperature water tank outlet electric valve, the circulating water pump, the heat pump unit, the low-temperature water tank inlet electric valve and the low-temperature heating water tank through thin-wall stainless steel pipelines, the high-temperature heat storage water tank is sequentially connected with the high-temperature heat storage water tank through the high-temperature water tank outlet electric valve, the circulating water pump unit, the high-temperature water tank inlet electric valve, the input of controller with high temperature heat accumulation water tank and low temperature heating water tank's temperature sensor and level sensor link to each other, the output of controller respectively with high temperature water tank entry motorised valve, high temperature water tank export motorised valve, low temperature water tank export motorised valve, circulating water pump, heat pump set, low temperature water tank entry motorised valve control end link to each other, high temperature water tank link to each other with life hot water pipeline through constant voltage variable frequency feed pump, provide hot water for the user steadily presses.
The controller is a programmable logic controller.
The heat pump unit is an air source heat pump unit, a water source heat pump unit or a ground source heat pump unit.
The controller can select a programmable logic controller, and the programmable logic controller receives signals from a temperature sensor and a liquid level sensor arranged on the warm water tank, and a temperature sensor and a liquid level sensor arranged on the low temperature water tank.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model is applied to the heat storage process of domestic hot water in the star hotel building, and the supplemented domestic cold water is subjected to progressive temperature rise after low-temperature heating circulation and high-temperature heat storage circulation heating, so that the utility model conforms to the actual working operation scene. On the basis of ensuring the advantages of the energy-saving system, the system isolates the low-temperature water tank from the water supply water tank, optimizes the heat storage and heating mode of hot water and improves the water supply quality of the hot water.
Drawings
Fig. 1 is a schematic structural diagram of a high-low temperature domestic hot water heating control system according to an embodiment of the present invention.
In the figure: 1 is a high-temperature water tank inlet electric valve; 2 is a high-temperature heat storage water tank; 3 is an electric valve at the outlet of the high-temperature water tank; 4 is an electric valve at the outlet of the low-temperature water tank; 5 is a circulating water pump; 6 is a low-temperature heating water tank; 7 is a heat pump unit; 8 is an electric valve at the inlet of the low-temperature water tank; 9 is a constant pressure water supply pump; and 10, a controller.
Detailed Description
For the purpose of promoting objects, technical solutions and advantages of the present invention, embodiments of the present invention are described in detail below with reference to fig. 1.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a high-temperature and low-temperature domestic hot water heating control system of the present invention, and it can be seen from the diagram that the high-temperature and low-temperature water tank hot water heating control system of the present invention comprises a high-temperature water tank inlet electric valve 1, a high-temperature heat storage water tank 2, a high-temperature water tank outlet electric valve (3), a low-temperature water tank outlet electric valve 4, a circulating water pump 5, a low-temperature heating water tank 6, a heat pump unit 7, a low-temperature water tank inlet electric valve 8, a constant-pressure variable-frequency water supply pump 9 and a controller 10, wherein the high-temperature heat storage water tank (2) and the low-temperature heating water tank 6 are both provided with a temperature sensor and a liquid level sensor, the low-temperature heating water tank 6 is sequentially connected with the low-temperature water tank outlet electric valve 4, the circulating water pump 5, the heat pump unit 7, the low-temperature water tank inlet electric valve 8 and the low-temperature heating water tank 6 through thin-wall stainless steel pipes, high temperature hot water storage tank 2 through thin wall stainless steel pipeline in proper order through high temperature water tank export motorised valve 3, circulating water pump 5, heat pump set 7, high temperature water tank entry motorised valve 1 with high temperature hot water storage tank 2's input link to each other, controller 10's input with high temperature hot water storage tank 2 and low temperature heating water tank 6's temperature sensor and level sensor link to each other, controller 10's output respectively with high temperature water tank entry motorised valve 1, high temperature water tank export motorised valve 3, low temperature water tank export motorised valve 4, circulating water pump 5, heat pump set 7, low temperature water tank entry motorised valve 8's control end link to each other, high temperature water tank 2 link to each other with the life hot water pipeline through constant voltage variable frequency feed pump 9, provide hot water for the user steadily presses.
The controller 10 is a programmable logic controller.
The heat pump unit 7 is an air source heat pump unit, a water source heat pump unit or a ground source heat pump unit.
Low temperature heating water tank 6 connect gradually through thin wall stainless steel pipeline low temperature water tank export motorised valve 4, circulating water pump 5, heat pump set 7, low temperature water tank entry motorised valve 8 with low temperature heating water tank 6 link to each other, high temperature heating water tank 2 through the moisturizing motorised valve with life running water pipeline link to each other, high temperature hot water storage tank 2 through thin wall stainless steel pipeline in proper order through high temperature water tank export motorised valve 3, circulating water pump 5, heat pump set 7, high temperature water tank entry motorised valve 1 with high temperature hot water storage tank 2 link to each other, constitute open hot water circulation return circuit.
The high-low temperature water tank hot water heating control system of the utility model automatically controls to work through the controller 10:
after the low-temperature heating water tank 6 is normally replenished with water to a preset liquid level, when the water temperature of the water tank is lower than 45 ℃, an outlet electric valve 4 and an inlet electric valve 8 of the low-temperature heating water tank 6 are opened, electric valves 1 and 3 of the high-temperature water tank are kept in a closed state, a circulating water pump 5 is started, a heat pump unit 7 is started after detecting temperature and flow signals, the water of the low-temperature heating water tank 6 is heated by the heat pump unit 7, and the temperature for heating the hot water of the low-temperature heating water tank 6 is 45 ℃;
according to the liquid level control requirement of the high-temperature heat storage water tank 2, domestic water at 45 ℃ in the low-temperature heating water tank 6 passes through the low-temperature water tank outlet electric valve 4 and the circulating water pump 5 to carry out secondary heating on the water through the heat pump unit 7, at the moment, the electric valve 8 and the electric valve 3 are closed, the water at 45 ℃ is further lifted, and then is sent into the high-temperature heat storage water tank 2 through the high-temperature water tank inlet electric valve 1, and the water transfer from the water at 45 ℃ to the high-temperature heat storage water tank 2 is completed.
When the temperature of the high-temperature heat storage water tank 2 is lower than 50 ℃ due to water transfer or heat dissipation, the electric valve 8 and the electric valve 4 are closed, and the electric valve 1 and the electric valve 3 are opened, so that the high-temperature hot water tank 2 is heated to 55 ℃.
The water in the high-temperature heat storage water tank 2 is preferentially heated by the heat pump unit 7 in order and order, and then is preferentially heated by the low-temperature heating water tank 6, so that the water supply temperature of the hot water at the tail end is ensured.
The heat pump unit 7 may be an air source heat pump unit, or a water source heat pump unit, or a ground source heat pump unit.
And controlling the starting state of the circulating water pump 5 according to the water temperature of the high-temperature water tank 2 or the water temperature of the electric valve 4 at the outlet of the low-temperature water tank.
The high-temperature water tank 2 is connected to a hot water main supply pipe, and the tail end of the high-temperature water tank supplies hot water under a constant pressure and a variable frequency through a constant pressure variable frequency water supply pump 9. The hot water supply device is used for supplying hot water for hotel life.
As shown in fig. 1, in practical applications, ambient and internal environmental conditions around a building are utilized on site, a heating and heat storage control mode of a heat pump unit and a high-low temperature domestic water tank is adopted to replace a heating mode of a hot water boiler (or a steam boiler) and a positive displacement heat exchanger, and a proper heat source is selected and matched, so that not only are building energy-saving technical measures fully utilized, hot water supply quality is improved, hot water supply temperature is guaranteed, hot water guarantee service quality of hotels is improved, and possibility of customer complaints is reduced. Compared with the original heat pump and living water tank heat storage mode, the hot water supply is prevented from being carried out simultaneously when normal-temperature water is supplemented, the low temperature of the living supply water is avoided, the reliability of the heat pump and living water tank heat storage supply living hot water is improved, and the heat pump and living water tank heat storage hot water supply system can be fully applied to the existing hotel building living hot water system transformation project.
Claims (3)
1. The utility model provides a high low temperature water tank circulation heating control system, a serial communication port, including high temperature water tank entry motorised valve (1), high temperature heat accumulation water tank (2), high temperature water tank export motorised valve (3), low temperature water tank export motorised valve (4), circulating water pump (5), low temperature heating water tank (6), heat pump set (7), low temperature water tank entry motorised valve (8), constant voltage frequency conversion working shaft (9) and controller (10), high temperature heat accumulation water tank (2) and low temperature heating water tank (6) on all set up temperature sensor and level sensor, low temperature heating water tank (6) connect gradually through thin wall stainless steel pipeline low temperature water tank export motorised valve (4), circulating water pump (5), heat pump set (7), low temperature water tank entry motorised valve (8) with low temperature heating water tank (6), high temperature heat accumulation motorised valve (2) export (3) through thin wall stainless steel pipe in proper order through high temperature water tank through thin wall stainless steel pipe ) Circulating water pump (5), heat pump set (7), high temperature water tank entry motorised valve (1) with the input of high temperature hot water storage tank (2) link to each other, the input of controller (10) with the temperature sensor and the level sensor of high temperature hot water storage tank (2) and low temperature heating water tank (6) link to each other, the output of controller (10) respectively with the control end of high temperature water tank entry motorised valve (1), high temperature water tank export motorised valve (3), low temperature water tank export motorised valve (4), circulating water pump (5), heat pump set (7), low temperature water tank entry motorised valve (8) link to each other, high temperature hot water storage tank (2) link to each other with the life hot water pipeline through constant voltage frequency conversion water supply pump (9), provide hot water for the user steady voltage.
2. The high and low temperature water tank circulation heating control system of claim 1, characterized in that the controller (10) is a programmable logic controller.
3. The high-low temperature water tank circulation heating control system of claim 1, wherein the heat pump unit (7) is an air source heat pump unit, a water source heat pump unit or a ground source heat pump unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220188273.3U CN216790519U (en) | 2022-01-24 | 2022-01-24 | High low temperature water tank circulation heating control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220188273.3U CN216790519U (en) | 2022-01-24 | 2022-01-24 | High low temperature water tank circulation heating control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790519U true CN216790519U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220188273.3U Active CN216790519U (en) | 2022-01-24 | 2022-01-24 | High low temperature water tank circulation heating control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790519U (en) |
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2022
- 2022-01-24 CN CN202220188273.3U patent/CN216790519U/en active Active
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