Running method of heat pump unit of energy-self-supplied gas engine
An operation method and gas engine technology, applied in the direction of machine operation, energy industry, heating and refrigeration combination, etc., can solve problems such as unfavorable popularization and application of gas engine heat pumps, improve practicability and adaptability, and overcome high initial investment 、To overcome the effect of long laying period
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[0058] Example 1
[0059] Heating mode operation:
[0060] The operation process of the heating mode includes a heating cycle, a waste heat recovery cycle and a user hot water supply cycle, and the heating cycle steps are as follows:
[0061] (a) When the internal pressure of each gas storage cylinder 1 and 2 in the liquefied natural gas (LNG) gas storage cylinder group is higher than the set pressure by 0.3MPa, the LNG directly flows out through the liquid phase port of each gas storage cylinder under the action of the pressure When the pressure in each gas storage cylinder 1 and 2 in the LNG storage cylinder group is lower than the set pressure of 0.3MPa, the self-pressurized gasifier 3 is opened, and the LNG in each gas storage cylinder 1 and 2 is opened. The gas flows out from the respective liquid phase ports of the gas storage cylinders and then flows back to the gas storage cylinders 1 and 2 through the outlet gate valve respectively, so that the pressure in the gas st...
Example Embodiment
[0070] Example 2
[0071] Heating mode operation:
[0072] The operation process of the heating mode includes a heating cycle, a waste heat recovery cycle and a user hot water supply cycle, and the heating cycle steps are as follows:
[0073] (a) When the internal pressure of each gas storage cylinder 1 and 2 in the liquefied natural gas (LNG) gas storage cylinder group is higher than the set pressure by 0.35MPa, the LNG directly flows out through the liquid phase port of each gas storage cylinder under the action of the pressure. ; When the pressure in each gas storage cylinder 1 and 2 in the LNG storage cylinder group is lower than the set pressure of 0.35MPa, the self-pressurized gasifier 3 is opened, and the LNG in each gas storage cylinder 1 and 2 is opened. The gas flows out from the respective liquid phase ports of the gas storage cylinders and then flows back to the gas storage cylinders 1 and 2 through the outlet gate valve respectively, so that the pressure in the g...
Example Embodiment
[0082] Example 3
[0083] Heating mode operation:
[0084] The operation process of the heating mode includes a heating cycle, a waste heat recovery cycle and a user hot water supply cycle, and the heating cycle steps are as follows:
[0085] (a) When the internal pressure of each gas storage cylinder 1 and 2 in the liquefied natural gas (LNG) gas storage cylinder group is higher than the set pressure by 0.35MPa, the LNG directly flows out through the liquid phase port of each gas storage cylinder under the action of the pressure. ; When the pressure in each gas storage cylinder 1 and 2 in the LNG storage cylinder group is lower than the set pressure of 0.35MPa, the self-pressurized gasifier 3 is opened, and the LNG in each gas storage cylinder 1 and 2 is opened. The gas flows out from the respective liquid phase ports of the gas storage cylinders and then flows back to the gas storage cylinders 1 and 2 through the outlet gate valve respectively, so that the pressure in the g...
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