CN219367752U - Gas boiler waste heat and mine water waste heat coupling heat supply system - Google Patents
Gas boiler waste heat and mine water waste heat coupling heat supply system Download PDFInfo
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- CN219367752U CN219367752U CN202320807247.9U CN202320807247U CN219367752U CN 219367752 U CN219367752 U CN 219367752U CN 202320807247 U CN202320807247 U CN 202320807247U CN 219367752 U CN219367752 U CN 219367752U
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Abstract
The utility model discloses a gas boiler waste heat and mine water waste heat coupling heat supply system, which comprises a gas waste heat taking component, wherein the gas waste heat taking component is communicated with a hot water inlet and a hot water outlet of a gas waste heat plate heat exchanger; the mine water heat taking assembly is communicated with a hot water inlet and a hot water outlet of the mine water plate heat exchanger; the cold water outlet of the mine water plate heat exchanger is communicated with the water inlet of the heat pump evaporator, and the water outlet of the heat pump evaporator is communicated with the cold water inlet of the mine water plate heat exchanger; the water inlet of the heat pump condenser is fixedly connected and communicated with the cold water outlet of the gas waste heat plate heat exchanger, the water outlet of the heat pump condenser is communicated with a heat radiating component, and the heat radiating component is communicated with the cold water inlet of the gas waste heat plate heat exchanger; the heat pump condenser is located at one side of the heat pump evaporator. According to the utility model, the gas waste heat and the mine water waste heat are coupled to supply heat, so that the stability of the heating effect of a user is improved.
Description
Technical Field
The utility model relates to the technical field of heating systems, in particular to a gas boiler waste heat and mine water waste heat coupling heating system.
Background
In existing coal mines in the whole country, mine gas is usually used for power generation by a high-gas mine, a gas waste heat boiler is used, and generated high-temperature waste heat is used for heating by a heating user. Generally, mine gas content, namely emission amount, is unstable, so that heating effect of heat supply users is unstable. The coupling of other heat sources provides a stable heat source for a heat supply user and the adjustment according to the heat load change of the heat supply user is a technical problem to be solved.
Therefore, a gas boiler waste heat and mine water waste heat coupling heat supply system is provided.
Disclosure of Invention
The utility model aims to provide a gas boiler waste heat and mine water waste heat coupling heating system, which aims to solve or improve at least one of the technical problems.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a gas boiler waste heat and mine water waste heat coupling heat supply system, which comprises:
the first heat-taking mechanism comprises a gas waste heat-taking component, the gas waste heat-taking component is communicated with a hot water inlet of a gas waste heat plate heat exchanger through a gas waste heat circulating water pump, and a hot water outlet of the gas waste heat plate heat exchanger is communicated with the gas waste heat-taking component;
the second heat extraction mechanism comprises a mine water heat extraction component, the mine water heat extraction component is communicated with a hot water inlet of the mine water plate heat exchanger through a mine water circulating pump, and a hot water outlet of the mine water plate heat exchanger is communicated with the mine water heat extraction component; the cold water outlet of the mine water plate heat exchanger is fixedly connected and communicated with the water inlet of a heat pump evaporator through a medium water circulating pump, and the water outlet of the heat pump evaporator is fixedly connected and communicated with the cold water inlet of the mine water plate heat exchanger;
the heat supply mechanism comprises a heat pump condenser, a water inlet of the heat pump condenser is fixedly connected and communicated with a cold water outlet of the gas waste heat plate heat exchanger, a water outlet of the heat pump condenser is communicated with a heat radiation assembly, and the heat radiation assembly is communicated with a cold water inlet of the gas waste heat plate heat exchanger; the heat pump condenser is positioned at one side of the heat pump evaporator.
Preferably, the gas waste heat taking component comprises a gas waste heat boiler, a waste heat water tank is fixedly connected and communicated with the gas waste heat boiler, a water inlet of the gas waste heat circulating water pump and a hot water outlet of the gas waste heat plate heat exchanger are fixedly connected and communicated with the waste heat water tank, and a water outlet of the gas waste heat circulating water pump is fixedly connected and communicated with a hot water inlet of the gas waste heat plate heat exchanger.
Preferably, the mine water heat taking set comprises a mine water tank, a hot water outlet of the mine water plate heat exchanger and a water inlet of the mine water circulating pump are fixedly connected and communicated with the mine water tank, and a water outlet of the mine water circulating pump is fixedly connected and communicated with a hot water inlet of the mine water plate heat exchanger.
Preferably, the heat dissipation assembly comprises a heat supply user, the water outlet of the heat pump condenser is fixedly connected and communicated with the water inlet of the heat supply user, the water outlet of the heat supply user is fixedly connected and communicated with the water inlet of the heat supply circulating pump, and the water outlet of the heat supply circulating pump is fixedly connected and communicated with the cold water inlet of the gas waste heat plate heat exchanger.
Preferably, the gas waste heat circulating water pump and the mine water circulating pump are electrically connected with a PLC and a frequency converter.
The utility model discloses the following technical effects: when heating is needed, the system starts the gas waste heat circulating water pump, high-temperature water in the gas waste heat taking component enters the gas waste heat plate heat exchanger through the hot water inlet of the gas waste heat plate heat exchanger, heat exchange is carried out between the high-temperature water and low-temperature backwater flowing into the gas waste heat plate heat exchanger, then the temperature of the high-temperature water is reduced, the high-temperature water flows back to the gas waste heat taking component through the hot water outlet of the gas waste heat plate heat exchanger, the low-temperature backwater in the gas waste heat plate heat exchanger is heated and then flows through the heat pump condenser, the high-temperature backwater enters the heat dissipation component to release heat, and the cold water inlet of the gas waste heat plate heat exchanger enters the gas waste heat plate heat exchanger to circulate again after heat release is finished.
When the gas waste heat does not meet the requirement of use or the heat load of the heat dissipation assembly is increased, the system starts a mine water circulating pump and a medium water circulating pump, mine water in the mine water heat extraction assembly enters the mine water plate heat exchanger through the mine water circulating pump, and after the mine water transfers heat to reclaimed water flowing out of the heat pump evaporator in the mine water plate heat exchanger, the mine water returns to the mine water heat extraction assembly through a hot water outlet of the mine water plate heat exchanger; the medium water flowing out of the heat pump evaporator flows through the medium water circulating pump after being heated in the mine water plate type heat exchanger, then enters the heat pump evaporator, then the heat of the medium water is extracted to the heat supply circulating water flowing through the heat pump condenser, and the heat supply circulating water is supplied to the heat dissipation assembly for heat dissipation after being heated by the heat pump condenser, so that the heating effect is ensured.
When the gas waste heat is used or the heat load of the heat dissipation component is reduced, the system turns off the mine water circulating pump, the medium water circulating pump and the heat pump evaporator so as to save electric energy.
The utility model can be adjusted according to the quantity of the residual heat of the gas or the change of the heat load, has the characteristics of strong adaptability and wide adjustment range, reduces the energy consumption of a heating system, reduces the running cost of equipment, relieves the problem of unstable heating effect caused by unstable mine gas content, namely emission, and ensures the heating effect of a user after the residual heat of the gas is coupled with the mine water residual heat resource and simultaneously realizes the technical problem of adjustment according to the change of the heat load. The utility model has low investment cost, low operation cost, good heating effect, stable system operation and strong reliability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. a gas waste heat boiler; 2. a waste heat water tank; 3. a gas waste heat circulating water pump; 4. a mine pool; 5. a mine water circulation pump; 6. a mine water plate heat exchanger; 7. a medium water circulating pump; 8. a heat pump evaporator; 9. a heat pump condenser; 10. heating a user; 11. a heat supply circulation pump; 12. a gas waste heat plate heat exchanger.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to FIG. 1, the utility model provides a gas boiler waste heat and mine water waste heat coupling heat supply system, which comprises
The first heat-taking mechanism comprises a gas waste heat-taking component, the gas waste heat-taking component is communicated with a hot water inlet of the gas waste heat plate heat exchanger 12 through the gas waste heat circulating water pump 3, and a hot water outlet of the gas waste heat plate heat exchanger 12 is communicated with the gas waste heat-taking component;
the second heat-taking mechanism comprises a mine water heat-taking component, the mine water heat-taking component is communicated with a hot water inlet of the mine water plate heat exchanger 6 through a mine water circulating pump 5, and a hot water outlet of the mine water plate heat exchanger 6 is communicated with the mine water heat-taking component; the cold water outlet of the mine water plate heat exchanger 6 is fixedly connected and communicated with the water inlet of the heat pump evaporator 8 through the medium water circulating pump 7, and the water outlet of the heat pump evaporator 8 is fixedly connected and communicated with the cold water inlet of the mine water plate heat exchanger 6;
the mine water plate heat exchanger 6 and the reclaimed water circulating pump 7, the reclaimed water circulating pump 7 and the heat pump evaporator 8, and the heat pump evaporator 8 and the mine water plate heat exchanger 6 are fixedly connected and communicated through reclaimed water circulating pipes; the medium water circulating pump 7 operates under the condition of meeting the water flow requirement of the heat pump evaporator 8;
the heat supply mechanism comprises a heat pump condenser 9, a water inlet of the heat pump condenser 9 is fixedly connected and communicated with a cold water outlet of the gas waste heat plate heat exchanger 12, a water outlet of the heat pump condenser 9 is communicated with a heat radiation component, and the heat radiation component is communicated with the cold water inlet of the gas waste heat plate heat exchanger 12; the heat pump condenser 9 is positioned at one side of the heat pump evaporator 8, and the heat pump condenser 9 and the heat pump evaporator 8 generate heat exchange;
when heating is needed, the system starts the gas waste heat circulating water pump 3, high-temperature water in the gas waste heat taking component enters the gas waste heat plate heat exchanger 12 through the hot water inlet of the gas waste heat plate heat exchanger 12, exchanges heat with low-temperature backwater flowing into the gas waste heat plate heat exchanger 12, then the temperature of the high-temperature water is reduced, the high-temperature backwater flows back to the gas waste heat taking component through the hot water outlet of the gas waste heat plate heat exchanger 12, the low-temperature backwater in the gas waste heat plate heat exchanger 12 is heated and flows through the heat pump condenser 9, then enters the heat radiating component to release heat, and after heat release is finished, the low-temperature backwater enters the gas waste heat plate heat exchanger 12 through the cold water inlet of the gas waste heat plate heat exchanger 12 to circulate again.
When the gas waste heat does not meet the requirement of use or the heat load of the heat dissipation assembly is increased, starting the mine water circulation pump 5 and the intermediate water circulation pump 7, enabling mine water in the mine water heat extraction assembly to enter the mine water plate heat exchanger 6 through the mine water circulation pump 5, transferring heat to intermediate water flowing out of the heat pump evaporator 8 in the mine water plate heat exchanger 6, and returning the heat to the mine water heat extraction assembly through a hot water outlet of the mine water plate heat exchanger 6; the reclaimed water flowing out of the heat pump evaporator 8 flows through the reclaimed water circulating pump 7 after being heated in the mine water plate-type heat exchanger 6, then returns to the heat pump evaporator 8, the heat of the reclaimed water is extracted to the heat supply circulating water flowing through the heat pump condenser 9, and the heat supply circulating water is heated by the heat pump condenser 9 and then supplied to the heat dissipation assembly for heat dissipation, so that the heating effect is ensured.
When the gas waste heat is used or the heat load of the heat dissipation component is reduced, the system turns off the mine water circulating pump 5, the medium water circulating pump 7 and the heat pump evaporator 8 so as to save electric energy.
According to a further optimization scheme, the gas waste heat taking component comprises a gas waste heat boiler 1, a waste heat water tank 2 is fixedly connected and communicated with the gas waste heat boiler 1, a water inlet of a gas waste heat circulating water pump 3 and a hot water outlet of a gas waste heat plate heat exchanger 12 are fixedly connected and communicated with the waste heat water tank 2, and a water outlet of the gas waste heat circulating water pump 3 is fixedly connected and communicated with a hot water inlet of the gas waste heat plate heat exchanger 12;
the gas waste heat boiler 1 is fixedly connected and communicated with the waste heat water tank 2 through a gas waste heat boiler water outlet pipe; the waste heat water tank 2 and the gas waste heat circulating water pump 3, the gas waste heat circulating water pump 3 and the gas waste heat plate heat exchanger 12, and the gas waste heat plate heat exchanger 12 and the waste heat water tank 2 are fixedly connected and communicated through a gas waste heat taking heat inlet and return water pipe.
According to a further optimization scheme, the mine water heat taking set comprises a mine water tank 4, a hot water outlet of a mine water plate heat exchanger 6 and a water inlet of a mine water circulating pump 5 are fixedly connected and communicated with the mine water tank 4, and a water outlet of the mine water circulating pump 5 is fixedly connected and communicated with a hot water inlet of the mine water plate heat exchanger 6;
the mine water pool 4 and the mine water circulating pump 5, the mine water circulating pump 5 and the mine water plate heat exchanger 6 and the mine water pool 4 are fixedly connected and communicated through a mine water heat taking water inlet and return pipe.
In a further optimization scheme, the heat dissipation assembly comprises a heat supply user 10, a water outlet of the heat pump condenser 9 is fixedly connected and communicated with a water inlet of the heat supply user 10, a water outlet of the heat supply user 10 is fixedly connected and communicated with a water inlet of the heat supply circulating pump 11, and a water outlet of the heat supply circulating pump 11 is fixedly connected and communicated with a cold water inlet of the gas waste heat plate heat exchanger 12; the heat supply circulating pump 11 operates under the condition of meeting the water flow requirement of the heat pump condenser 9;
the heat pump condenser 9 is fixedly connected and communicated with the heat supply user 10, the heat supply user 10 and the heat supply circulating pump 11, the heat supply circulating pump 11 and the gas waste heat plate heat exchanger 12, and the gas waste heat plate heat exchanger 12 and the heat pump condenser 9 through heat supply circulating pipes.
According to the further optimization scheme, the gas waste heat circulating water pump 3 and the mine water circulating pump are electrically connected with a PLC and a frequency converter; the gas waste heat circulating water pump 3 and the mine water circulating pump 5 control the start, stop and rotating speed through a PLC (not shown) and a frequency converter (not shown) according to the temperature condition of the heat supply circulating water; the specific control principle is the prior art and will not be described in detail here.
The utility model can automatically adjust the system operation mode according to the heat load change of the heat supply user 10; when the waste heat of the gas waste heat boiler 1 meets the requirement of the heat supply user 10, the mine water circulating pump 5, the medium water circulating pump 7 and the heat pump evaporator 8 can stop running so as to save electric energy, and when the waste heat of the gas does not meet the requirement of the heat supply user 10 or the heat load of the heat supply user 10 is increased, the mine water circulating pump 5, the medium water circulating pump 7 and the heat pump evaporator 8 are started, and the waste heat of the gas boiler and the waste heat of the mine water jointly provide a heat source for the heat supply user 10.
When a heat supply user 10 needs heating, the system starts the gas waste heat circulating water pump 3, high-temperature water enters the waste heat water tank 2 from the gas waste heat boiler 1 and then enters the gas waste heat plate heat exchanger 12, the high-temperature water exchanges heat with low-temperature backwater of the heat supply user 10 in the gas waste heat plate heat exchanger 12, the temperature of the high-temperature water is reduced after being heated at low temperature and then flows back to the waste heat water tank 2, the low-temperature backwater of the heat supply user 10 after being heated flows through the heat pump condenser 9, the heat is released by the heat supply user 10, the heat is changed into low-temperature backwater after being released, and the low-temperature backwater flows through the heat supply circulating pump 11 for recirculation.
When the gas waste heat does not meet the requirement of a heat supply user 10, or the heat load of the heat supply user 10 is increased, the system starts the mine water circulating pump 5 and the medium water circulating pump 7, mine water in the mine water tank 4 enters the mine water plate heat exchanger 6 through the mine water circulating pump 5, the mine water transfers heat to reclaimed water flowing out of the heat pump evaporator 8 in the mine water plate heat exchanger 6 and returns to the mine water tank 4, the reclaimed water flowing out of the heat pump evaporator 8 is heated and then enters the heat pump evaporator 8 after flowing through the medium water circulating pump 7, then heat in the heat pump evaporator 8 is extracted to heat supply circulating water flowing through the heat pump condenser 9, and the heat supply circulating water is heated by the heat pump condenser 9 and then supplied to the heat supply user 10, so that the heating effect of the heat supply user is ensured.
When the gas waste heat meets the requirement of the heat supply user 10 or the heat load of the heat supply user 10 is reduced, the system turns off the mine water circulating pump 5, the medium water circulating pump 7 and the heat pump evaporator 8 so as to save electric energy.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (5)
1. A gas boiler waste heat and mine water waste heat coupling heating system is characterized in that: comprising
The first heat-taking mechanism comprises a gas waste heat-taking component, the gas waste heat-taking component is communicated with a hot water inlet of a gas waste heat plate heat exchanger (12) through a gas waste heat circulating water pump (3), and a hot water outlet of the gas waste heat plate heat exchanger (12) is communicated with the gas waste heat-taking component;
the second heat extraction mechanism comprises a mine water heat extraction component, the mine water heat extraction component is communicated with a hot water inlet of a mine water plate heat exchanger (6) through a mine water circulating pump (5), and a hot water outlet of the mine water plate heat exchanger (6) is communicated with the mine water heat extraction component; the cold water outlet of the mine water plate heat exchanger (6) is fixedly connected and communicated with the water inlet of a heat pump evaporator (8) through a medium water circulating pump (7), and the water outlet of the heat pump evaporator (8) is fixedly connected and communicated with the cold water inlet of the mine water plate heat exchanger (6);
the heat supply mechanism comprises a heat pump condenser (9), a water inlet of the heat pump condenser (9) is fixedly connected and communicated with a cold water outlet of the gas waste heat plate heat exchanger (12), a water outlet of the heat pump condenser (9) is communicated with a heat radiation component, and the heat radiation component is communicated with the cold water inlet of the gas waste heat plate heat exchanger (12); the heat pump condenser (9) is located at one side of the heat pump evaporator (8).
2. The gas boiler waste heat and mine water waste heat coupled heating system of claim 1, wherein: the gas waste heat taking component comprises a gas waste heat boiler (1), a waste heat water tank (2) is fixedly connected and communicated with the gas waste heat boiler (1), a water inlet of a gas waste heat circulating water pump (3) and a hot water outlet of a gas waste heat plate heat exchanger (12) are fixedly connected and communicated with the waste heat water tank (2), and a water outlet of the gas waste heat circulating water pump (3) is fixedly connected and communicated with a hot water inlet of the gas waste heat plate heat exchanger (12).
3. The gas boiler waste heat and mine water waste heat coupled heating system of claim 1, wherein: the mine water heat taking set comprises a mine water tank (4), a hot water outlet of the mine water plate heat exchanger (6) and a water inlet of the mine water circulating pump (5) are fixedly connected and communicated with the mine water tank (4), and a water outlet of the mine water circulating pump (5) is fixedly connected and communicated with the hot water inlet of the mine water plate heat exchanger (6).
4. The gas boiler waste heat and mine water waste heat coupled heating system of claim 1, wherein: the heat dissipation assembly comprises a heat supply user (10), the water outlet of the heat pump condenser (9) is fixedly connected and communicated with the water inlet of the heat supply user (10), the water outlet of the heat supply user (10) is fixedly connected and communicated with the water inlet of the heat supply circulating pump (11), and the water outlet of the heat supply circulating pump (11) is fixedly connected and communicated with the cold water inlet of the gas waste heat plate heat exchanger (12).
5. The gas boiler waste heat and mine water waste heat coupled heating system of claim 1, wherein: the gas waste heat circulating water pump (3) and the mine water circulating pump (5) are electrically connected with a PLC and a frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320807247.9U CN219367752U (en) | 2023-04-12 | 2023-04-12 | Gas boiler waste heat and mine water waste heat coupling heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320807247.9U CN219367752U (en) | 2023-04-12 | 2023-04-12 | Gas boiler waste heat and mine water waste heat coupling heat supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219367752U true CN219367752U (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320807247.9U Active CN219367752U (en) | 2023-04-12 | 2023-04-12 | Gas boiler waste heat and mine water waste heat coupling heat supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN219367752U (en) |
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2023
- 2023-04-12 CN CN202320807247.9U patent/CN219367752U/en active Active
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