A heat source heat supplementing energy-saving system capable of reducing gas consumption

Abstract

The utility model relates to heat source heat supplement device field, propose a kind of heat source heat supplement energy-saving system capable of reducing gas consumption, comprising: closed heat source tower heat pump system;The closed heat source tower heat pump system includes heat user water circulation system;The closed heat source tower heat pump system includes closed heat source tower group, heat source pump circulation pipeline, heat source tower circulating pump and heat pump, the both ends of the heat source pump circulation pipeline are respectively communicated with the both ends of the closed heat source tower group, the heat source tower circulating pump is communicated with on the heat source pump circulation pipeline, the heat pump includes evaporator end and condenser end, the heat source tower circulation pipeline is communicated in the evaporator end;The utility model is by using closed heat source tower heat pump system to improve primary network backwater, can improve 10 ℃, effectively reduce the consumption of boiler to gas, improve the economic benefit of system.

Description

Technical Field

[0001] This utility model relates to the field of heat source supplementation devices, and in particular to a heat source supplementation and energy-saving system that can reduce gas consumption. Background Technology

[0002] Currently, the country is vigorously encouraging the application of clean energy, promoting the full utilization of circulating water and industrial waste heat from large-scale combined heat and power units for heating, orderly advancing natural gas heating, and developing energy sources such as sewage, seawater, soil, air, solar, and biomass energy according to local conditions, while also encouraging the construction of off-peak electricity storage facilities. This patent utilizes an air source (closed-loop heat source tower) heat pump unit to raise the temperature of the primary network return water by 10°C, thereby saving gas consumption and improving the economic efficiency of the system. Utility Model Content

[0003] This invention proposes a heat source supplementation and energy-saving system that can reduce gas consumption. By using a closed heat source tower heat pump system to boost the primary network return water, the temperature can be increased by 10°C, effectively reducing the boiler's gas consumption and improving the system's economic efficiency.

[0004] The technical solution of this utility model is implemented as follows:

[0005] A heat source supplementation and energy-saving system that can reduce gas consumption includes: a closed heat source tower heat pump system, a heat user water circulation system, and circulation between the user and the heat pump unit condenser;

[0006] The closed-loop heat source tower heat pump system includes a closed-loop heat source tower group, a heat source pump circulation pipeline, a heat source tower circulation pump, and a heat pump. The two ends of the heat source pump circulation pipeline are respectively connected to the two ends of the closed-loop heat source tower group. The heat source tower circulation pump is connected to the heat source pump circulation pipeline. The heat pump includes an evaporator end and a condenser end. The heat source pump circulation pipeline is connected to the evaporator end.

[0007] The heat user water circulation system includes a heating boiler, heating pipelines, a heating network supply water pipeline, and a heating network return water pipeline. Both ends of the heating pipeline are connected to the heating boiler, and the heating network return water pipeline is connected to the heating network supply water pipeline, exchanging heat with the heating pipeline. The outlet end of the heating pipeline is connected to the condenser end, and the outlet end of the heating pipeline is the end after heat exchange. At this time, the return water temperature is increased by 10°C, and it flows back to the heating boiler for reheating, effectively reducing the heating temperature, thereby reducing the amount of gas burned, reducing boiler operating costs, and thus reducing the operating cost of the entire system.

[0008] Furthermore, the closed heat source tower group is equipped with a superconducting liquid to isolate heat transfer with small temperature differences. After the superconducting liquid is installed, there is a small heat transfer temperature difference between the humid air and the low temperature wall. Water vapor phase change condenses in suspension and is discharged with the wind in the form of loose snowflake crystals. Therefore, there is no frost blockage and energy saving of 50%-60% occurs.

[0009] Furthermore, the water temperature when the heating pipeline enters the boiler is 45℃-60℃, which is 10℃ higher, reducing the installed capacity of the gas boiler, lowering the system operating cost, and the COP during heating operation is between 3 and 5.8.

[0010] Furthermore, the closed-loop heat source tower heat pump system also includes a heat network circulation pump, which is connected to the heating pipeline.

[0011] Furthermore, the closed-loop heat pump system also includes a heat source circulation. An evaporator is provided at the evaporator end of the heat pump. The evaporator is connected to a closed-loop heat pump group. The heat source circulation is a loop formed between the evaporator and the closed-loop heat pump group.

[0012] Furthermore, the closed-loop heat source tower heat pump system also includes a heat source tower circulation system, which includes a refrigerant pipeline and an air circulation system. The refrigerant pipeline and the air circulation system are located within the closed-loop heat source tower assembly, and the refrigerant pipeline exchanges heat with the air circulation system.

[0013] Furthermore, the closed-loop heat source tower heat pump system also includes a refrigerant circulation system for the heat pump unit itself, and a condenser is provided at the condenser end, with the refrigerant circulation system located within the condenser.

[0014] Furthermore, a heat source supplementation and energy-saving system that can reduce gas consumption uses either a ground source heat pump or an air source heat pump to replace the closed heat source tower group.

[0015] This invention utilizes a closed-loop heat source tower heat pump system to increase the temperature of the primary network return water by 10°C, effectively reducing the boiler's fuel consumption and improving the system's economic efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1This is a schematic diagram of a heat source supplementation and energy-saving system that can reduce gas consumption in a specific embodiment of this utility model;

[0018] Explanation of reference numerals in the attached drawings: 1. Closed-loop heat source tower heat pump system; 11. Closed-loop heat source tower group; 12. Heat source pump circulation pipeline; 13. Heat source tower circulation pump; 14. Heat pump; 141; 1411; 142. Condenser; 15. Closed-loop heat source tower group; 2. Heat user water circulation system; 21. Heating boiler; 22. Heating pipeline; 23. Heating network water supply pipeline; 24. Heating network return water pipeline; 25. Heating network circulation pump. Detailed Implementation

[0019] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0020] In a specific embodiment of this utility model, see Figure 1 A heat source supplementation and energy-saving system that can reduce gas consumption includes: a closed heat source tower heat pump system 1 and a heat user water circulation system 2. The heat user water circulation system 2 is the circulation between the user and the condenser of the heat pump unit.

[0021] The closed-loop heat pump system 1 includes a closed-loop heat pump tower assembly 11, a heat pump circulation pipeline 12, a heat pump tower circulation pump 13, and a heat pump 14. The two ends of the heat pump circulation pipeline 12 are respectively connected to the two ends of the closed-loop heat pump tower assembly 11. The heat pump tower circulation pump 13 is connected to the heat pump circulation pipeline 12. The heat pump 14 includes an evaporator end and a condenser end. The heat pump circulation pipeline 12 is connected to the evaporator end.

[0022] The heat user water circulation system 2 includes a heating boiler 21, a heating pipeline 22, a heating network water supply pipeline 23, and a heating network return pipeline 24. The two ends of the heating pipeline 22 are connected to the inlet and outlet of the heating boiler 21, respectively. The heating network return pipeline 24 is connected to the heating network water supply pipeline 23 and exchanges heat with the heating pipeline 22. The outlet of the heating pipeline 22 is connected to the condenser end. The outlet of the heating pipeline is the end after heat exchange, at which point the return water temperature increases by 10°C and flows back to the heating boiler for reheating, effectively reducing the heating temperature, thereby reducing the amount of gas burned, reducing boiler operating costs, and thus reducing the overall system operating costs.

[0023] In a specific embodiment of this utility model, see Figure 1The closed heat source tower group 11 is equipped with a superconducting liquid to isolate heat transfer with small temperature difference. After the superconducting liquid is installed, there is a small heat transfer temperature difference between the humid air and the low temperature wall. Water vapor phase change condenses in suspension and is discharged with the wind in the form of loose snowflake crystals to release heat. Therefore, there is no frost blockage phenomenon and energy saving is 50%-60%.

[0024] In a specific embodiment of this utility model, see Figure 1 The water temperature when the heating pipeline 22 enters the boiler 21 is 45℃-60℃. Before heating, the temperature has been increased by about 10℃, which reduces the installed capacity of the gas boiler, lowers the system operating cost, and saves 50%-60% energy during defrosting. The COP of heating operation is between 3 and 5.8.

[0025] In a specific embodiment of this utility model, see Figure 1 The closed heat source tower heat pump system 2 also includes a heat network circulation pump 25, which is connected to the heating pipeline 22.

[0026] In a specific embodiment of this utility model, see Figure 1 The closed-loop heat pump system 1 further includes a heat source circulation, which is a circulation formed between the evaporator 141, the heat source pump circulation pipeline 12, and the closed-loop heat source tower group 15.

[0027] In a specific embodiment of this utility model, see Figure 1 The closed-loop heat pump system further includes a heat source tower circulation system, which includes a refrigerant pipeline and an air circulation system. The refrigerant pipeline and air circulation system are located within the closed-loop heat source tower assembly 11, and the refrigerant pipeline exchanges heat with the air circulation system. The closed-loop heat pump system 1 also includes a refrigerant circulation system within the heat pump unit itself. A condenser 142 is provided at the condenser end, and the refrigerant circulation system is located within the condenser 142. This application integrates closed-loop heat pump system heating technology. The closed-loop heat pump system is divided into four circulations: a user water circulation system, a heat source circulation system, a heat source tower circulation system, and a refrigerant circulation system.

[0028] The closed heat source tower heat pump has a built-in superconducting liquid to isolate heat transfer with small temperature difference. Therefore, the small temperature difference between humid air and low temperature is avoided. Water vapor phase change condenses in suspension and is discharged with the wind in the form of loose snowflake crystals to release heat. Therefore, there will be no frost blockage.

[0029] The COP during heating operation is between 3 and 508.

[0030] By setting up a closed heat source tower heat pump system, the temperature of the return water of the heating network is heated to 45℃-60℃, which increases the temperature by 10℃, reduces the installed capacity of the gas boiler, and lowers the system operating cost.

[0031] Considering that the return water from the heating network first passes through the condenser side of the closed heat source tower pump unit to raise the return water temperature by 10°C, the heat absorbed by the evaporator side of the heat pump unit is the heat from the heat source tower, and the heat in the closed heat source tower unit is obtained by heat exchange with the air.

[0032] Depending on the heat source, the system can choose to have all the return water heated by the heat pump, or it can consider having part of the return water from the heating network heated by the heat pump. Depending on the actual situation, additional heating network circulating water pumps and switching valves can be added.

[0033] During the initial and final stages of the heating season, closed-loop heat source tower heat pump units can be considered to replace gas-fired boilers. During the cold season, the closed-loop heat source tower heat pump units heat the return water in the return water pipeline of the heating network.

[0034] This application solves the problems of high cost and high operating expenses of gas-fired heat source; when the installed capacity of gas-fired boilers is insufficient, this system can supplement part of the heat source heating capacity, effectively reducing the operating cost of the heating system and achieving energy-saving and economical results.

[0035] In the second specific embodiment of this utility model, see Figure 1 A ground source heat pump is used instead of the closed heat source tower group.

[0036] In the third specific embodiment of this utility model, see Figure 1 An air source heat pump is used instead of the closed heat source tower assembly.

[0037] Other alternative heat source systems are also possible.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heat source supplementation and energy-saving system capable of reducing gas consumption, characterized in that: Including closed-loop heat pump systems; The closed-loop heat source tower heat pump system includes a heat user water circulation system; The closed-loop heat source tower heat pump system includes a closed-loop heat source tower group, a heat source pump circulation pipeline, a heat source tower circulation pump, and a heat pump. The two ends of the heat source pump circulation pipeline are respectively connected to the two ends of the closed-loop heat source tower group. The heat source tower circulation pump is connected to the heat source pump circulation pipeline. The heat pump includes an evaporator end and a condenser end. The heat source pump circulation pipeline is connected to the evaporator end. The heat user water circulation system includes a heating boiler, heating pipelines, a heating network water supply pipeline, and a heating network return pipeline. Both ends of the heating pipeline are connected to the heating boiler, the heating network return pipeline is connected to the heating network water supply pipeline, and the heating network return pipeline exchanges heat with the heating pipeline. The outlet end of the heating pipeline is connected to the condenser end.

2. The heat source supplementation and energy-saving system for reducing gas consumption as described in claim 1, characterized in that: The closed-loop heat source tower group is equipped with superconducting fluid.

3. The heat source supplementation and energy-saving system for reducing gas consumption as described in claim 1, characterized in that: The water temperature when the heating pipeline enters the boiler is 45℃-60℃.

4. The heat source supplementation and energy-saving system for reducing gas consumption as described in claim 3, characterized in that: The closed-loop heat source tower heat pump system also includes a heat network circulation pump, which is connected to the heating pipeline.

5. The heat source supplementation and energy-saving system for reducing gas consumption as described in claim 1, characterized in that: The closed-loop heat source tower heat pump system also includes a heat source circulation. An evaporator is provided at the evaporator end of the heat pump, and the heat source tower circulation pipeline is connected to the evaporator. The heat source circulation is a circulation formed between the evaporator, the heat source pump circulation pipeline, and the closed-loop heat source tower group.

6. The heat source supplementation and energy-saving system for reducing gas consumption as described in claim 1, characterized in that: The closed-loop heat pump system also includes a heat source tower circulation system, which includes a refrigerant pipeline and an air circulation system. The refrigerant pipeline and the air circulation system are located within the closed-loop heat source tower assembly, and the refrigerant pipeline exchanges heat with the air circulation system.

7. A heat source supplementary heating and energy-saving system capable of reducing gas consumption as described in claim 1, characterized in that: The closed-loop heat source tower heat pump system also includes the refrigerant circulation of the heat pump unit itself. A condenser is provided at the condenser end, and the refrigerant circulation includes pipelines installed in the condenser, evaporator, and inside the heat pump.

8. A heat source supplementary heating and energy-saving system capable of reducing gas consumption as described in any one of claims 1-7, characterized in that: Use either a ground source heat pump or an air source heat pump instead of the closed heat source tower group.

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