The comprehensive utilization of gas engine heat energy mainly from three aspects: power supply, heating and bath heating and summer air conditioning refrigeration. At present, there are many examples of comprehensive application of foreign gas engine combined with thermoelectric or cold electric two, and the Three concentrates on the whole set of power equipment. From the point of view of technical feasibility, it can be achieved completely. In the design process of comprehensive utilization, the following factors should be taken into consideration.
The use of a, which should be avoided, has a great influence on the performance of the engine, that is, it does not affect the normal operation and power output of the gas generator.
The distance between the B and the exhaust manifold to the heat exchanger should be as short as possible. Meanwhile, the heat insulation of the exhaust pipe should be fully considered to reduce the heat loss from the exhaust port of the engine to the heat exchanger.
C, we need to consider the influence of gas generator load change on refrigeration and heating, and avoid excess or insufficient capacity of refrigeration or heating due to load changes.
D, the whole system should carry out electrical automation control and monitoring as far as the whole process control range is large, the item points are many, and the operation is difficult.
The E and the whole system should take full consideration of the maintenance operation and the safety of the use.
In the gas fired power station, the combined heat and power unit can make full use of the heat discharged from the gas engine at the same time when the unit sends electricity, and it can be used for heating and bathing in winter. The factors that should be considered in the design include the adjustment of hot water volume, the pressure of the hot water system, the matching connection between the hot water system and the heat source equipment, the bypass of the excess hot water part and the cut-off of hot water in emergency.
When used in this way, life with the bath water from the engine cooling water heat exchanger, the water temperature at 40~50 degrees, can completely meet the demands of the living area; heating with hot water from the exhaust gas of the engine, the exhaust temperature in 450~550 degrees, the hot water temperature can reach 80~110 DEG C (pressure in 0.2MPa so, it can guarantee) required for heating the heat
3.2 power generation, refrigeration and heat production
Another way to use waste heat is to meet the needs of generating electricity while cooling and heating by cooling water and exhaust heat, that is cooling, heating and electricity. For heating, we still use 3.1 schemes, while the refrigeration part can use a mature absorption lithium bromide refrigerator. Its structure is made up of high incidence part and main part.
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