CN209991520U - Natural gas, solar energy, electric power coupling heating system - Google Patents
Natural gas, solar energy, electric power coupling heating system Download PDFInfo
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- CN209991520U CN209991520U CN201920346887.8U CN201920346887U CN209991520U CN 209991520 U CN209991520 U CN 209991520U CN 201920346887 U CN201920346887 U CN 201920346887U CN 209991520 U CN209991520 U CN 209991520U
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Abstract
The utility model belongs to the technical field of the heat supply, in particular to natural gas, solar energy, electric power coupling heating system, with the natural gas, solar energy, electric power coupling heat supply, full play its respective advantage reduces the heat supply cost, the utility model discloses in, gas boiler and heat pump water heater are as main heat supply, and solar water heater is as supplementary heat supply, and gas boiler and heat pump water heater are according to local natural gas price and power consumption price and peak valley price, regularly switch the heat supply, set up gas boiler and heat pump water heater respective heat supply time through control system, can effectively reduce the heat supply cost, in addition, when solar water heater's leaving water temperature is higher than the return water temperature of main wet return, establish solar water heater circulation system, and solar water heater carries out supplementary heat supply.
Description
Technical Field
The utility model belongs to the technical field of the heat supply, in particular to natural gas, solar energy, electric power coupling heating system.
Background
The heat supply in the market at present is generally divided into gas boiler heat supply, heat pump water heater heat supply and solar water heater heat supply, the form is single, the solar water heater has the advantages that the solar water heater adopts free clean energy to supply heat, does not generate pollution, has the defects that the heat supply temperature of the solar water heater is not high, particularly, under the condition of bad weather, the heat supply temperature is very low, the gas boiler heat supply and the heat pump water heater, one adopts natural gas for heat supply and the other adopts electric power for heat supply, the traditional energy sources are consumed, the heat supply cost is high, but also the heating cost of the gas boiler and the heat pump water heater is different, the natural gas price and the electricity price in different areas are greatly different, and some areas are provided with peak-valley electricity prices, so that the heat supply cost of the gas boiler and the heat supply cost of the heat pump water heater are different and different in different time periods of the same day.
The heat supply modes can not be coupled, so that the advantages of the heat supply device are fully exerted, the energy waste is reduced, and the heat supply cost is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a natural gas, solar energy, electric power coupling heating system can solve the problem that points out among the background art.
A natural gas, solar energy and electric power coupling heating system comprises a gas boiler, a heat pump water heater, a solar water heater and a heating pipeline, wherein the gas boiler is connected with a heating circulation pipeline, the heating circulation pipeline comprises a main water outlet pipe, a main water return pipe, a heat exchanger and a circulating water pump, the water outlet end of the gas boiler is connected with the main water outlet pipe, the water return end of the gas boiler is connected with the main water return pipe, and the water inlet end and the water outlet end of the heat exchanger are respectively provided with a first temperature sensor and a second temperature sensor;
the water outlet end of the solar water heater is connected with one end of a solar water outlet pipe, the other end of the solar water outlet pipe is connected to a main water return pipe, the water return end of the solar water heater is connected with one end of a solar water return pipe, the other end of the solar water return pipe is connected to the main water return pipe through a first electric three-way valve, and the water outlet end of the solar water heater is provided with a third temperature sensor;
the water outlet end of the heat pump water heater is connected with one end of the heat pump water outlet pipe, the other end of the heat pump water outlet pipe is connected to the main water outlet pipe through a second electric three-way valve, the water return end of the heat pump water heater is connected with one end of the heat pump water return pipe, and the other end of the heat pump water return pipe is connected to the main water return pipe.
Preferably, a flue gas recovery heat exchanger is arranged in a chimney of the gas-fired boiler and is connected with the heat pump water heater through a recovery pipeline.
The utility model provides a natural gas, solar energy, electric power coupling heating system, with the natural gas, solar energy, electric power coupling heat supply, full play its respective advantage reduces the heat supply cost, the utility model discloses in, gas boiler and heat pump water heater are as main heat supply, and solar water heater is as supplementary heat supply, and gas boiler and heat pump water heater are according to local natural gas price and power consumption price and peak valley price of electricity, regularly switch over the heat supply, set up gas boiler and heat pump water heater respective heat supply time through control system, can effectively reduce the heat supply cost, and in addition, when solar water heater's leaving water temperature is higher than the return water temperature of main wet return, establish solar water heater circulation system, solar water heater carries out supplementary heat supply.
Drawings
Figure 1 is a schematic view of the present invention,
figure 2 is a schematic view of the working process of the utility model,
description of reference numerals:
reference numbers in the figures: 1. a gas boiler; 2. A heat pump water heater; 3. a solar water heater; 4. A main water outlet pipe; 5. A primary water return pipe; 6. A heat exchanger; 7. a water circulating pump; 8. A first temperature sensor; 9. A second temperature sensor; 10. A solar water outlet pipe; 11. a solar energy water return pipe; 12. A first electric three-way valve; 13. A heat pump water outlet pipe; 14. A second electric three-way valve; 15. a heat pump water return pipe; 16. A chimney; 17. A flue gas recovery heat exchanger; 18. A third temperature sensor.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1-2, an embodiment of the present invention provides a natural gas, solar energy, electric power coupling heating system, which includes a gas boiler 1, a heat pump water heater 2, a solar water heater 3 and a heating pipeline, wherein the gas boiler 1 is connected to a heating circulation pipeline, the heating circulation pipeline includes a main water outlet pipe 4, a main water return pipe 5, a heat exchanger 6 and a circulation water pump 7, the water outlet end of the gas boiler 1 is connected to the main water outlet pipe 4, the water return end of the gas boiler 1 is connected to the main water return pipe 5, and the water inlet end and the water outlet end of the heat exchanger 6 are respectively provided with a first temperature sensor 8 and a second temperature sensor 9; the first temperature sensor 8 is used for detecting the heat supply temperature of the main water outlet pipe 4, and the second temperature sensor 9 is used for detecting the water return temperature of the main water return pipe 5;
the water outlet end of the solar water heater 3 is connected with one end of a solar water outlet pipe 10, the other end of the solar water outlet pipe 10 is connected to a main water return pipe 5, the water return end of the solar water heater 3 is connected with one end of a solar water return pipe 11, the other end of the solar water return pipe 11 is connected to the main water return pipe 5 through a first electric three-way valve 12, a third temperature sensor 18 is arranged at the water outlet end of the solar water heater 3, and the third temperature sensor 18 is used for detecting the water outlet temperature of the solar water heater.
The water outlet end of the heat pump water heater 2 is connected with one end of a heat pump water outlet pipe 13, the other end of the heat pump water outlet pipe 13 is connected to the main water outlet pipe 4 through a second electric three-way valve 14, the water return end of the heat pump water heater 2 is connected with one end of a heat pump water return pipe 15, and the other end of the heat pump water return pipe 15 is connected to the main water return pipe 5.
The first temperature sensor 8, the second temperature sensor 9, the third temperature sensor 18, the heat pump water heater 2, the gas boiler 1, the first electric three-way valve 12 and the second electric three-way valve 14 are respectively and electrically connected with a control system, the control system can be a PLC (programmable logic controller), the control system receives signals of the first temperature sensor 8, the second temperature sensor 9 and the third temperature sensor 18, processes the signals and sends out instructions to control the heat pump water heater 2, the gas boiler 1, the first electric three-way valve 12 and the second electric three-way valve 14 to do corresponding actions.
The working principle or working process of the technical scheme is combined with the figures 1 and 2, according to the comparison between the local natural gas price and the electricity price (peak-valley electricity price), the control system sets the respective starting time periods of the gas boiler 1 and the heat pump water heater 2, the heating temperature of the outlet water is set (for example, the set temperature is 50 ℃), and the first temperature sensor 8 is used for detecting the heating temperature of the main water outlet pipe 4;
when the detected temperature of the first temperature sensor 8 is higher than 55 degrees, the current circulation mode is maintained, and the operating gas boiler 1 (or the operating heat pump water heater 2) is turned off;
when the temperature detected by the first temperature sensor 8 is lower than 50 ℃, the third temperature sensor 18 detects the water outlet temperature of the solar water heater 3, the second temperature sensor 9 detects the water return temperature of the main water return pipe 5, the temperature values detected by the second temperature sensor 9 and the third temperature sensor 18 are compared, when the water outlet temperature of the solar water heater 3 is higher than the water return temperature of the main water return pipe 5, solar energy circulation is established, the first electric three-way valve 12 is switched to connect the main water return pipe 5 with the solar water return pipe 11, the water with lower temperature enters the solar water heater 3, the water with higher temperature in the solar water heater 3 enters the main water return pipe 5 through the solar water outlet pipe 10 and returns to the water return end of the gas boiler 1 (or the heat pump water heater 2) through the main water return pipe 5, the solar water heater 3 starts auxiliary heat supply, and at the moment, the first temperature sensor 8 detects the heat supply temperature of the main water outlet pipe, When the heat supply temperature of the water outlet pipe 4 is higher than 55 ℃, the gas boiler 1 (or the heat pump water heater 2) is automatically closed, and when the heat supply temperature of the water outlet pipe 4 is lower than 50 ℃, the gas boiler 1 (or the heat pump water heater 2) is automatically opened;
comparing the temperature values detected by the second temperature sensor 9 and the third temperature sensor 18, when the temperature of the outlet water of the solar water heater 3 is lower than the return water temperature of the main return water pipe 5, closing the solar circulation, and according to the respective opening time periods of the gas boiler 1 and the heat pump water heater 2, opening the gas boiler 1 (or the heat pump water heater 2) in the corresponding time period, if the time period is the opening time of the heat pump water heater 2, the second electric three-way valve 14 connects the heat pump water outlet pipe 13 with the main water outlet pipe 4 to establish the heat pump water heater circulation, if the time period is the opening time of the gas boiler 1, the second electric three-way valve 14 connects the main water outlet pipe 4 with the water outlet end of the gas boiler 1 to establish the gas.
The utility model provides a natural gas, solar energy, electric power coupling heating system, with the natural gas, solar energy, electric power coupling heat supply, full play its respective advantage reduces the heat supply cost, the utility model discloses in, gas boiler and heat pump water heater are as main heat supply, and solar water heater is as supplementary heat supply, and gas boiler and heat pump water heater are according to local natural gas price and power consumption price and peak valley price of electricity, regularly switch over the heat supply, set up gas boiler and heat pump water heater respective heat supply time through control system, can effectively reduce the heat supply cost, and in addition, when solar water heater's leaving water temperature is higher than the return water temperature of main wet return, establish solar water heater circulation system, solar water heater carries out supplementary heat supply.
In order to avoid redundant heat loss and reduce energy waste, a flue gas recovery heat exchanger 17 is arranged in a chimney 16 of the gas boiler 1, and the flue gas recovery heat exchanger 17 is connected with the heat pump water heater 2 through a recovery pipeline.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (2)
1. The utility model provides a natural gas, solar energy, electric power coupling heating system, its includes gas boiler (1), heat pump water heater (2), solar water heater (3) and heat supply pipeline, its characterized in that: the gas boiler (1) is connected with a heat supply circulating pipeline, the heat supply circulating pipeline comprises a main water outlet pipe (4), a main water return pipe (5), a heat exchanger (6) and a circulating water pump (7), the water outlet end of the gas boiler (1) is connected with the main water outlet pipe (4), the water return end is connected with the main water return pipe (5), and the water inlet end and the water outlet end of the heat exchanger (6) are respectively provided with a first temperature sensor (8) and a second temperature sensor (9);
the water outlet end of the solar water heater (3) is connected with one end of a solar water outlet pipe (10), the other end of the solar water outlet pipe (10) is connected to a main water return pipe (5), the water return end of the solar water heater (3) is connected with one end of a solar water return pipe (11), the other end of the solar water return pipe (11) is connected to the main water return pipe (5) through a first electric three-way valve (12), and the water outlet end of the solar water heater (3) is provided with a third temperature sensor (18);
the water outlet end of the heat pump water heater (2) is connected with one end of a heat pump water outlet pipe (13), the other end of the heat pump water outlet pipe (13) is connected to the main water outlet pipe (4) through a second electric three-way valve (14), the water return end of the heat pump water heater (2) is connected with one end of a heat pump water return pipe (15), and the other end of the heat pump water return pipe (15) is connected to the main water return pipe (5).
2. A natural gas, solar energy, electrically coupled heating system according to claim 1, wherein: a flue gas recovery heat exchanger (17) is arranged in a chimney (16) of the gas boiler (1), and the flue gas recovery heat exchanger (17) is connected with the heat pump water heater (2) through a recovery pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346887.8U CN209991520U (en) | 2019-03-19 | 2019-03-19 | Natural gas, solar energy, electric power coupling heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346887.8U CN209991520U (en) | 2019-03-19 | 2019-03-19 | Natural gas, solar energy, electric power coupling heating system |
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| Publication Number | Publication Date |
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| CN209991520U true CN209991520U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920346887.8U Active CN209991520U (en) | 2019-03-19 | 2019-03-19 | Natural gas, solar energy, electric power coupling heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981552A (en) * | 2020-05-22 | 2020-11-24 | 太原大四方节能环保股份有限公司 | Heat pump and gas boiler combined heating system and regulation and control method thereof |
-
2019
- 2019-03-19 CN CN201920346887.8U patent/CN209991520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981552A (en) * | 2020-05-22 | 2020-11-24 | 太原大四方节能环保股份有限公司 | Heat pump and gas boiler combined heating system and regulation and control method thereof |
| CN111981552B (en) * | 2020-05-22 | 2021-12-14 | 太原大四方节能环保股份有限公司 | Heat pump and gas boiler combined heating system and regulation and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210511 Address after: 253000 No. 2999, Chongde Fifth Avenue, Dezhou Economic and Technological Development Zone, Shandong Province Patentee after: DEZHOU VERO REFRIGERATING & HEATING EQUIPMENT Co.,Ltd. Address before: Dezhou Weinuo cooling and heating equipment Co., Ltd., 2999 Chongde Fifth Avenue, Dezhou City, Shandong Province 253000 Patentee before: Ai Le Patentee before: Wang Jinchun Patentee before: Yang Wenxue |
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| TR01 | Transfer of patent right |