Gas heat pump type air conditioning device, and combustion device for heating exhaust gas

Abstract

In order to obtain more enhanced air heating capacity during low outdoor air temperature, a gas heat pump type air conditioning device which circulates refrigerant by a compressing device of which driving source is a gas engine, forms a refrigerating cycle, collects waste heat of exhaust gas exhausted from the gas engine to engine coolant water by an exhaust gas heat exchanging device, and heats the refrigerant by the engine coolant water to enhance the heating capacity, the exhaust gas exhausted from the gas engine is heated, and a heating device for increasing amount of thermal energy which can be collected in the exhaust gas heat exchanging device is provided.

What is claimed is:  
     
         1 . A gas heat pump type air conditioning device comprising: 
 a compression device of having a gas engine as a driving source and forming a refrigerating cycle by circulating a refrigerant;    an exhaust gas heat exchanging device which collects waste heat exhausted from the gas engine and returns the heat back to engine-coolant-water; and    a heating device which heats exhaust gas exhausted from the gas engine so as to increase an amount of thermal energy collectible in the exhaust gas heat exchanging device;    wherein the refrigerant is heated by the engine-coolant-water to enhance air heating capacity.    
     
     
         2 . A gas heat pump type air conditioning device according to  claim 1 , wherein the heating device is a combustion device for heating exhaust gas which supplies combustion gas generated by combusting fuel in a combustor to the exhaust gas.  
     
     
         3 . A gas heat pump type air conditioning device according to  claim 2 , wherein the combustor of the combusting device for heating exhaust gas is provided in the exhaust gas heat exchanging device.  
     
     
         4 . A gas heat pump type air conditioning device according to  claim 2 , wherein a catalyst container which contains exhaust gas cleaning catalyst is provided in an exhaust system which connects the gas engine and the exhaust gas heat exchanging device, and the combustor for heating exhaust gas is provided in the catalyst container.  
     
     
         5 . A gas heat pump type air conditioning device according to  claim 1 , wherein the heating device is operated when a outdoor air temperature detecting device detects a temperature lower than a predetermined value.  
     
     
         6 . A gas heat pump type air conditioning device according to  claim 2 , wherein the fuel to be combusted in the combustor is the same fuel for driving the gas engine.  
     
     
         7 . A combusting device for heating exhaust gas provided in a channel of exhaust gas exhausted from a gas engine of a gas heat pump type air conditioning device so as to heat the exhaust gas comprising: 
 a hollow combustor;    a combustion nozzle provided in the combustor;    a fuel system for supplying fuel and air to the combustion nozzle in a predetermined ratio;    a combustion gas supplying channel which supplies combustion gas generated by combusting the fuel with the combustion nozzle, from the combustor to exhaust gas exhausted from the gas engine of the gas heat pump type air conditioning device.    
     
     
         8 . A combustion device for heating exhaust gas provided in a channel of exhaust gas exhausted from a gas engine of a gas heat pump type air conditioning device so as to heat the exhaust gas comprising: 
 a combustor a hollow casing of which is compatibly used by an exhaust gas heat exchanging device;    a combustion nozzle provided in the combustor;    a fuel supplying system which supplies fuel and air to the combustion nozzle by a predetermined ratio,    wherein amount of heat of combustion gas generated in the combustor by combusting the fuel with the combustion nozzle is added to amount of heat of exhaust gas which is exhausted from the gas engine of the gas heat pump type air conditioning device and passes through the combustor.    
     
     
         9 . A combusting device for heating exhaust gas provided in a channel of exhaust gas exhausted from a gas engine of a gas heat pump type air conditioning device so as to heat the exhaust gas comprising: 
 a combustor which is compatibly a catalyst container which contains exhaust gas cleaning catalyst;    a combustion nozzle provided in the combustor;    a fuel supplying system which supplies fuel and air to the combustion nozzle by a predetermined ratio,    wherein an amount of heat of combustion gas generated in the combustor by combusting the fuel with the combustion nozzle is added to amount of heat of exhaust gas which is exhausted from the gas engine of the gas heat pump type air conditioning device and passes through the combustor.