39results about How to "Lower oxygen consumption" patented technology

The invention discloses a high-density living fish transporting vehicle and a transporting method thereof. The high-density living fish transporting vehicle comprises a vehicle body, a water oxygen circulation system and a fish tank, wherein the fish tank and the water oxygen circulation system are fixedly arranged on the vehicle body; the fish tank is internally provided with partitions; the outer wall of the fish tank is a sandwiched hollow heat-preservation layer; a fish feeding hole is formed in the top surface of each compartment; a fish discharge hole is formed in a side surface of each compartment; the water oxygen circulation system comprises a filtering device, an oxygen enriching device and a heat exchanger which are serially connected with the fish tank through a water pump, pipelines and valves; water dissolved oxygen and temperature are automatically controlled; the pump and a refrigeration compressor are driven by a vehicle-mounted engine; before being loaded, living fishes are subjected to dormancy pretreatment and water quality conditioning firstly, and circulation, temperature and oxygen dissolution control on a water body are implemented in the transportation process. By adoption of the structure and the method, the temperature inside the fish tank is controlled to be higher than the physiological ice temperature of 0.5-8 DEG C of the living fishes, and the water dissolved oxygen is controlled to be approximate to the physiological oxygen requirement, so that physiological metabolism of the living fishes can be reduced to the minimum level, the living fish transportation time can be prolonged, the survival rate can be increased, and the oxygen consumption can be reduced.

The invention discloses a dual-fluidized bed low-carbon combustion and gasified heat-electricity-gas poly-generation device which comprises two subsystems, namely a combustion system and a gasification system respectively, wherein the combustion system is connected with the gasification system through a circulating return system. The combustion system mainly adopts a circulating fluidized bed combustion mode, partial hot ash is subjected to circulating feeding to enter a gasifier slag section so as to provide heat needed by gasification, and the gasified upper non-slag section semicoke is returned to a circulating fluidized bed combustion chamber, so that the material balance is guaranteed, the carbon conversion rate and energy utilization efficiency are improved, the heat-electricity-gas poly-generation function is realized.

The invention discloses an aerobic biological fluidized bed device combining enriched oxygen aeration. The aerobic biological fluidized bed device comprises a reaction tower, a riser, an air aerator, an oxygen aeration device, an oxygen compressor, an oxygen source, a draught fan, a flow control device, a first electromagnetic valve and a second electromagnetic valve, wherein the air aerator is arranged at the bottom of the reaction tower; the input end of the air aerator is connected with the output end of the first electromagnetic valve; the input end of the first electromagnetic valve is connected with the output end of the draught fan; the oxygen aeration device is arranged at the lower part of an annular space region; the input end of the oxygen aeration device is connected with the output end of the second electromagnetic valve; the input end of the second electromagnetic valve is connected with the output end of the oxygen compressor; the input end of the oxygen compressor is connected with the oxygen source; the flow control device is respectively connected with the output end of the first electromagnetic valve, the control end of the second electromagnetic valve, and an oxygen concentration probe. Meanwhile, an oxygen filling method of the device is also disclosed. The device and the method capable of improving the dissolved oxygen quantity of an airlift internal circulating aerobic biological fluidized bed are achieved.

The invention discloses an oxygenation method of high-pressure casting, which comprises an air inlet pipe which is communicated with the pressure chamber of a high-pressure casting press, wherein an oxygen supply system is communicated with the air inlet pipe; the high-pressure casting press is characterized in that a compressed air supply system is connected with the pipeline of the air inlet pipe in parallel; before the oxygen supply system supplies oxygen, the compressed air supply system is adopted to supply air for the air inlet pipe so as to sweep the pressure chamber and check whether the air inlet pipe is communicated with the pressure chamber. With adoption of the above oxygenation method and the oxygenation device, oxygen can be effectively added to metal liquid in the cavity; the oxygenation device is simple in structure and less in oxygen consumption amount. Therefore, the application of the oxygenation method and the oxygenation device for high-pressure casting can be realized.