Combustion Apparatus of Composite Heat Carrier Generator

Abstract

A combustion system of a composite heat carrier generator comprises combustion and vaporization chambers. The combustion chamber comprises a main body and a head portion connected thereto. The head portion comprises an outer shell, a cyclone, and fuel receiving, fuel spray nozzle, water receiving, and air receiving nozzles. The fuel receiving and fuel spray nozzles are connected. The air receiving nozzle forms an air inlet cavity in communication with the fuel spray nozzle and the cyclone. The cyclone includes a pre-combustion chamber facing the fuel spray nozzle and a groove. The pre-combustion chamber receives a mixture of fuel and air, and the cyclone groove introduces air.

1 . A combustion apparatus of a composite heat carrier generator, comprising a combustion chamber and a vaporization chamber, the combustion chamber comprising a combustion chamber head portion and a combustion chamber main body, the vaporization chamber being connected to a rear end of the combustion chamber main body, and the combustion chamber head portion being connected to a front end of the combustion chamber main body, wherein
 a housing of the combustion chamber main body comprises an outer shell and an inner bush, and a combustion cavity is formed in the inner bush; and   the combustion chamber head portion comprises an outer shell, a fuel receiving nozzle, a fuel spray nozzle, an air receiving nozzle, a spark plug, and a cyclone; the fuel receiving nozzle is connected to the fuel spray nozzle and is inserted substantially axially into a through-hole at a center of the outer shell of the combustion chamber head portion; the air receiving nozzle is sheathed on an outside of the fuel receiving nozzle and the fuel spray nozzle to form an air inlet cavity between the air receiving nozzle and part of outer walls of the fuel receiving nozzle and the fuel spray nozzle; the air inlet cavity is in communication with the fuel spray nozzle and the cyclone, respectively; the spark plug is inserted into the outer shell of the combustion chamber head portion; an interior of the cyclone is provided with a pre-combustion chamber facing the fuel spray nozzle, and an outer peripheral wall of the cyclone is formed with a cyclone groove, wherein the pre-combustion chamber is in communication with the fuel spray nozzle to receive a mixture of fuel and air, the cyclone groove is in communication with the air inlet cavity to introduce air, and the mixture and the air subsequently enter the combustion cavity.   
     
     
         2 . The combustion apparatus of a composite heat carrier generator as claimed in  claim 1 , wherein the outer shell of the combustion chamber head portion is provided with a plurality of air channels, a head end of each of the air channels is in communication with the air inlet cavity, and a tail end thereof is divided into a plurality of atomization air holes and a plurality of cooling air holes, with each of the atomization air holes being in communication with each of the air channels and the fuel spray nozzle, and each of the cooling air holes being in communication with each of the air channels and the cyclone groove. 
     
     
         3 . The combustion apparatus of a composite heat carrier generator as claimed in  claim 2 , wherein a spray nozzle pipeline is provided at a center of the fuel spray nozzle, an axial front end face of the fuel spray nozzle is provided with a plurality of spray nozzle atomization holes which penetrate into the fuel spray nozzle and are in communication with the spray nozzle pipeline. 
     
     
         4 . The combustion apparatus of a composite heat carrier generator as claimed in  claim 3 , wherein an outer edge face of the fuel spray nozzle is provided with an annular groove, the annular groove is in communication with each atomization air hole and each spray nozzle atomization hole, respectively, to allow air to enter each spray nozzle atomization hole via each atomization air hole, and be mixed with fuel entering each spray nozzle atomization hole via the spray nozzle pipeline. 
     
     
         5 . The combustion apparatus of a composite heat carrier generator as claimed in  claim 4 , wherein the fuel is diesel oil, each spray nozzle atomization hole leads to the axial front end face of the fuel spray nozzle from the annular groove, and the spray nozzle pipeline is in communication with each spray nozzle atomization hole via a plurality of fuel spray holes. 
     
     
         6 . The combustion apparatus of a composite heat carrier generator as claimed in  claim 4 , wherein the fuel is crude oil, each spray nozzle atomization hole is a first spray nozzle atomization hole and leads to the axial front end face of the fuel spray nozzle from the annular groove, and a part of the axial front end face of the fuel spray nozzle close to the edge is further provided with a plurality of second spray nozzle atomization holes penetrating into the fuel spray nozzle, with each second spray nozzle atomization hole being in communication with the spray nozzle pipeline via a plurality of fuel spray holes. 
     
     
         7 . The combustion apparatus of a composite heat carrier generator as claimed in  claim 4 , wherein the fuel is natural gas, each spray nozzle atomization hole leads to the axial front end face of the spray nozzle from the annular groove, the spray nozzle pipeline is in communication with each spray nozzle atomization hole via a plurality of fuel spray holes, and a part of the axial front end face of the spray nozzle close to the edge is further provided with a plurality of swirl holes, with each swirl hole being in communication with the annular groove.