TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The solar temperature increasing device is a NO.1 solar temperature-increasing room. The assisted thermal temperature-increasing device is a bioenergy temperature increasing room. The width of the bioenergy temperature-increasing room is 2-3 times of the width of the NO.1 solar temperature-increasing room. The NO.1 solar temperature increasing room comprises a curved transparent glass wall and a sealed door. The transparent glass wall is set around the south sidewall. The two ends of the transparent glass wall are provided with a sealed door. The top of the transparent glass wall is provided with the platform. The transparent glass wall, the sealed door, the platform, the ground, and the south sidewall form a sealed structure. The bioenergy temperature-increasing room comprises a curved NO.1 temperature insulating brick wall, an entrance door, an exit door and a biomass net cage. The NO.1 temperature-insulating brick wall is set around the north sidewall. The two ends of the NO.1 temperature insulating brick wall are separately provided with the entrance door and the exit door. The top of the NO.1 temperature-preservation brick wall is provided with a platform. The NO.1 temperature insultaing brick wall, the entrance door, the exit door, the platform, the ground, and the north sidewall all together form a sealed structure. The bottom if the bioenergy temperature-increasing room is provided with a sliding rail. The two ends of the sliding rail are corresponding to the entrance door and the exit door. The upper part of the sliding rail is provided with a multi-layer biomass net cage. The biomass net cage is filled with soaked straw. The width of the NO.1 solar temperature-increasing room is 0.5 m. The width of the bioenergy temperature-increasing room is 1.2 m. The biomass net cage is a two-layer arrangement net cage. The solar temperature increasing device is a NO.2 solar temperature-increasing room. The assisted thermal temperature-increasing device is a completely sealed direct heating boiler temperature-increasing room. The NO.2 solar temperature increasing room is connected to the completely sealed straight-heating boiler temperature-increasing room. The width of the completely sealed direct-heating boiler temperature-increasing room is 1-1.5 times the width of the NO.2 solar temperature-increasing room. The NO.2 solar temperature-increasing room comprises an arc shaped transparent glass wall and a sealed door. The transparent glass wall is set around the south sidewall, where the two ends of the transparent glass wall are separately connected to the sealed door and a NO.2 temperature-insulating brick wall. The top of the transparent glass wall is provided with a platform. The completely sealed straight-heating boiler temperature increasing room comprises an arc shaped NO.2 temperature-preservation brick wall, an entrance door, and a completely sealed safe energy-saving biogas boiler. The NO.2 temperature insulating brick wall is set around the north sidewall. The two ends of the NO.2 temperature insulating brick wall is separately connected to the entrance door and the transparent glass wall. The top of the NO.2 temperature- preservation brick wall is provided with a platform. The sealed door, the transparent glass wall, the NO.2 temperature-preservation brick wall, the entrance door, the platform, the ground, the north sidewall, and the south sidewall all together form a sealed structure. The completely sealed safe energy-saving biogas boiler comprises a combustion part a water containing part, a chimney, and a heat-conductive smoke exhaust manifold. The combustion part and the water containing part are both in sealed structures. The cross-section of the combustion part is consistent with cross section of the water containing part. The top of the combustion part and the bottom of water containing part are fixedly connected. A biogas strong fire furnace is set in the combustion part. The top of the biogas strong fire furnace is connected to the heat conductive smoke exhaust manifold. The other end of the heat-conductive smoke exhaust manifold is connected to the chimney by a sealed cover set at the top of the water containing part. The other end of the chimney extends to the outer side of the NO.2 temperature-insulation brick wall. At least 3-8 heat-conductive smoke exhaust manifolds, preferably 6 are provided in the device. The heat-conductive smoke exhaust manifolds are uniformly set along the same circle. The side part of the water containing part is provided with an upper water outlet pipe and a lower water outlet pipe. The upper water outlet pipe is connected to the lower water outlet pipe successively passing through a hot water recycling pump. Low heat rejection pieces and high heat rejection pieces are respectively set around the sidewall of the tank body. The width of the NO.2 solar temperature-increasing room is 0.5 m. The width of the completely sealed direct-heating boiler temperature increasing room is 0.6 m. The bottom of the biogas strong fire furnace is provided with a fire-regulating valve, where the side part is provided with a biogas inlet pipe and an inlet pipe. The top of the water containing part is provided with an electrical thermometer, a gas discharge port and a chimney. The side part is provided with a water inlet pipe and a sludge discharge port. The electrical thermometer is connected to the temperature controller. The temperature controller is connected to a solenoid valve set on the biogas inlet pipe. The cross-sections of the combustion part and the water containing part are circular, elliptic or rectangular. The inner part of the NO.2 solar temperature-increasing room is provided with the completely sealed safe energy-saving biogas boiler for increasing the temperature of the fermenter. A spraying head is further set on the sidewall of the tank body at a position between the inner film and the liquid-level discharge height line. The spraying head is consistent to the overflow port. The spraying head is between the gas outlet port and the overflow port. The top of the platform is provided with a fence. The smoke outlet port of the chimney is located beyond the distance of the fire safety.