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Heat supply system utilizing internal combustion waste heat for pressurization

A technology for heating systems and internal combustion of waste heat, applied in heating systems, machines using waste heat, hot water central heating systems, etc., can solve problems such as reduced heat exchange efficiency, reduced equipment efficiency, and small temperature difference in the system to improve efficiency Effect

Pending Publication Date: 2022-07-26
NINGBO CHENGDA MACHINERY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In areas with large cooling capacity throughout the year, the temperature of underground energy storage is relatively high; in areas with high heating utilization rate, the temperature of energy storage is relatively low, resulting in a small temperature difference in the system and a decrease in heat exchange efficiency, thereby reducing equipment efficiency. Under the theme of energy conservation and environmental protection , how to use the coupling system of ground source heat pump and internal combustion engine to solve the problem of gradually lower heat exchange efficiency is becoming increasingly prominent

Method used

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  • Heat supply system utilizing internal combustion waste heat for pressurization
  • Heat supply system utilizing internal combustion waste heat for pressurization
  • Heat supply system utilizing internal combustion waste heat for pressurization

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specific Embodiment 1

[0034] Specific embodiment 1: please refer to Figure 1-4 A heat supply system utilizing internal combustion waste heat for supercharging, including a supercharging assembly 1, an internal combustion engine 2, a heating tank 3, a cold and heat exchange group 4, a ground source heat pump 5 and a heat-absorbing water storage tank 6.

[0035] The booster assembly 1 includes a booster tank 101, an air bag 102, an air supply pipe 103 and an air return pipe 104; the booster tank 101 is a closed tank structure, and the interior of the booster tank 101 is filled with ammonia water containing 25% to 28% of ammonia. The air supply pipe 103 and the air return pipe 104 are communicated between the pressurized tank 101 and the air bag 102; the air supply pipe 103 is used to transport the gas in the pressurized tank 101 to the air bag 102; The gas inside is delivered to the booster tank 101; a pressure valve 105 is provided at the connection between the booster tank 101 and the air supply p...

specific Embodiment 2

[0043] Specific embodiment 2: Under normal circumstances, when the temperature of the ammonia water in the booster tank 101 rises, in addition to the escape of ammonia gas, water will also be mixed into the ammonia gas in the form of water vapor. When the pressure valve 105 is opened, the water The vapor will flow into the air bag 102 with the ammonia flow; when the ammonia gas and water vapor absorb the cold energy in the air bag 102, they will condense into ammonia water and stay in the air bag 102, although the air bag 102 will squeeze out a part of the ammonia water when it shrinks, However, with the operation of the booster assembly 1, the ammonia water in the airbag 102 will gradually increase, which in turn affects the expansion and contraction of the airbag 102, which is not conducive to the heat output of the ground source heat system. Therefore, the second solution is designed to solve the above problems, and the details are as follows : Different from the specific em...

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Abstract

The invention discloses a heat supply system utilizing internal combustion waste heat for pressurization, and belongs to the technical field of renewable energy source utilization. The heat supply system comprises a pressurization assembly, an internal combustion engine, a cold and heat exchange unit, a ground source heat pump and a heat absorption water storage tank. The pressurizing assembly comprises a pressurizing tank and an air bag; the pressurizing tank is of a closed tank body structure, and ammonia water is contained in the pressurizing tank; the booster jar is communicated with the air bag through a pipeline; the internal combustion engine is provided with a smoke exhaust pipe; the outer wall of the smoke exhaust pipe is in contact with the ammonia water so as to transfer heat to the ammonia water; a pressure valve is arranged at the communicating part of the booster jar and the airbag; the pressure valve is normally closed, and when the ammonia water is heated, the pressure threshold value of automatic opening of the pressure valve is larger than 50 kPa; the air bag is mounted at the bottom of the heat-absorbing water storage tank; according to the internal combustion heating and ground source heat pump coupling heat supply system, waste heat of the internal combustion engine can be utilized to improve the heat supply efficiency of the internal combustion heating and ground source heat pump coupling heat supply system.

Description

technical field [0001] The invention belongs to the technical field of renewable energy utilization, and more particularly relates to a heating system utilizing internal combustion waste heat for supercharging. Background technique [0002] Ground source heat pump is a device that realizes the transfer of low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy (such as electric energy) in shallow terrestrial energy. Generally, the ground source heat pump consumes 1kWh of energy, and users can obtain more than 4.4kWh of heat or Cooling capacity. [0003] In the prior art, in order to save energy and reduce emissions, the ground source heat pump and the internal combustion engine are coupled to each other. Specifically, the electric energy generated by the internal combustion engine is transferred to the ground source heat pump, and the waste heat of the internal combustion engine is used for reuse; however, the ground source heat pump ...

Claims

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Application Information

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IPC IPC(8): F24D3/18F24D19/00F25B27/02F25B30/06F25B41/40F25B41/20F25B41/34
CPCF24D3/18F24D19/00F25B27/02F25B30/06F25B41/40F25B41/20F25B41/34
Inventor 李贤明李乐水李永红
Owner NINGBO CHENGDA MACHINERY RES INST
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