Small -size domestic brewing machinery and refrigeration heating thereof

The utility model discloses a small -size domestic brewing machinery and refrigeration heating thereof, include: a compressor that is used for the compression refrigeration agent, with the first circulating line of the exit linkage of compressor, with refrigeration subassembly that first circulating line is connected, with the refrigeration subassembly connect the duplex winding establish on the brewing machinery inner bag thimble assembly and one end and the thimble assembly is connected the other end and is connected to the third circulating line of suction port of compressor, still include: with the second circulating line of the exit linkage of compressor the second circulating line with the thimble assembly is connected, be provided with first valve and second valve on first circulating line and the second circulating line respectively, a valve open just when the second valve is closed, the refrigerant loops through the export of compressor gets into pass through behind first circulating line, refrigerat