6results about How to "Solve the temperature drop" patented technology

The invention relates to a multi-element thermal fluid huff and puff thickened oil reservoir sand production experimental measurement device and method. The device comprises a high-temperature and high-pressure sand production system, a fluid pumping system, a nuclear magnetic detection system, a sound velocity measurement system and a sand collection system. The nuclear magnetic detection system dynamically monitors the parameter change of the rock core sample in the multi-element thermal fluid injection, soaking and sand production processes in real time; the sound velocity measuring system detects the mechanical parameter change of the rock core sample in the multi-element thermal fluid injection, soaking and sand production processes, and carries out real-time dynamic monitoring. The problem that an existing experimental device is poor in adaptability to stratum condition simulation is fully considered, the high-temperature-resistant and high-pressure-resistant clamp holder is adopted, various experimental requirements are met, and the structural change and mechanical property change of a rock core in the sand production process can be dynamically detected in real time on line through nuclear magnetic testing equipment and a sound velocity measuring system; and analyzing the influence of mechanical damage and fluid migration on formation sand production.

The present invention provides a solar gas turbine power generation system based on the principle of photothermal, comprising: a gas turbine, a solar energy collection device and a solar energy reflector; wherein the gas turbine comprises an air compressor impeller, a turbine, a regenerator and a combustion chamber, the regenerator comprises an outer shell, a middle shell and an inner shell, a low-temperature air intake passage is formed between the middle shell and the outer shell, a high-temperature air intake passage is formed between the middle shell and the inner shell, the inlet and outlet of the low-temperature air intake passage are respectively connected to the outlet of the air compressor impeller and the inlet of the combustion chamber, and the inlet and outlet of the high-temperature air intake passage are respectively connected to the outlet of the turbine and the outside; the solar energy collection device comprises a heat absorbing plate, and the heat absorbing plate is coated on the outer shell of the regenerator. The present invention can realize the combined cycle of solar energy and gas turbine, and the energy utilization rate is higher than that of single solar power generation or gas turbine power generation, thereby realizing efficient energy utilization.

The application discloses a vacuum drying cabinet and a vacuum drying cabinet drying method, which comprises a vacuum cabin body, a vacuum pumping device connected with the vacuum cabin body and used for pumping the inside of the vacuum cabin body, and a hot air circulating device connected with the vacuum cabin body and used for supplementing heated air into the vacuum cabin body. The hot air circulating device is arranged to supplement heated air into the vacuum cabin body, so that the inside of the vacuum cabin body and the surface of instruments needing to be dried in the vacuum cabin body can be rapidly heated, the problem that the temperature of the surface of the instruments in the vacuum cabin body is reduced when the moisture on the surface of the instruments is vaporized can be effectively solved, the moisture vaporization speed after each vacuum pumping in the circulating drying process is improved, and the drying efficiency is improved. Moreover, the hot air circulating device is used for supplementing heated air into the vacuum cabin body, the heated air is supplemented into the vacuum cabin body when the pressure of the vacuum cabin body is released, the problem that the dried instruments are secondarily dampened or condensed due to the low temperature of the supplemented air is avoided, and the drying efficiency is further improved.

The application discloses an online adjusting device for micro-flow ammonia for denitration, which comprises intermittent ammonia supply units, vaporization units, buffer units and vapor-gas mixing units which are sequentially communicated; the intermittent ammonia supply units are communicated with liquid ammonia delivery pipes; the vapor-gas mixing units are communicated with ammonia injection lattices; the intermittent ammonia supply units are used for providing quantitative liquid ammonia supply; the vaporization units are used for vaporizing liquid ammonia; the vapor-gas mixing units comprise primary mixers and secondary mixers; the primary mixers are used for ammonia gas dilution; and the secondary mixers are used for online adjustment; adjusting valves are arranged between two adjacent units; and each adjusting valve is electrically connected with a DCS control system. The application combines intermittent ammonia supply and two-stage mixing, guarantees micro adjustment of ammonia flow under the condition of small ammonia consumption, realizes ultra-low emission transformation of industrial flue gas with low background nitrogen oxides, and has great engineering practical value.

The utility model relates to an urban gas composite type field station based on differential pressure power generation, which comprises a high-pressure pipeline, a medium-pressure pipeline, a high-pressure manifold, a medium-pressure manifold, a pipeline a, a pipeline b, a monitoring feedback device a, a differential pressure power generation device, a power storage device, a pressure stabilizing valve group, an electric heating device, electric equipment and a distribution device, the pressure difference power generation device and the monitoring feedback device b are connected with the pipeline a in parallel, the pressure difference power generation device and the monitoring feedback device b are arranged on the pipeline b, the pressure difference power generation device is connected with the allocation device, the allocation device is connected with the electricity storage device, the electric heating device and the electric equipment, and the pressure stabilizing valve group is arranged between the pipeline a and the pipeline b; pressure energy in high-pressure fuel gas is converted into electric energy, the electricity utilization requirement of operation equipment such as remote control automatic electric appliances in a pressure regulating station is met, meanwhile, it is guaranteed that the fuel gas can enter a municipal pipe network after meeting the standard state, and meanwhile extra electric energy can be generated to create more profits for urban fuel gas enterprises.

The utility model discloses a casting pouring filter device, which relates to the technical field of casting pouring, and comprises a filter box, the lower part of the outer surface of the filter box is fixedly connected with a frame-shaped mounting plate I, the lower surface of the frame-shaped mounting plate I is lapped with a frame-shaped mounting plate II, the inner side of the frame-shaped mounting plate II is fixedly connected with a funnel, and the inner side of the funnel is lapped with the frame-shaped mounting plate II. And the first frame-shaped mounting plate and the second frame-shaped mounting plate are mounted and fixed through four bolts, a heating assembly is fixedly connected to the lower end of the funnel, and a pipeline is fixedly connected to the middle of the lower surface of the heating assembly in a penetrating mode. Through the arrangement of the filter screen I and the filter screen II, a metal solution can be conveniently filtered, and through the arrangement of the motor, the rotating disc, the connecting plate and the cam, the fixed rod is driven to rotate to enable the filter assembly to move, so that the filter speed is increased, and the problem that the current filter effect is relatively poor is solved; the effects of improving the filtering performance and improving the filtering speed are achieved.