65results about How to "Easy to use later" patented technology

According to a biogas liquid reducing treatment and a biogas collaborative purification system and purification method disclosed by the present invention, by adding plant ash into the biogas liquid, alkalinity and pH value of the biogas liquid are increased, biogas liquid COD and suspended matter concentration of the biogas liquid are reduced, and by film decompression concentration technology, ammonia is recovered from the biogas liquid and biogas liquid concentration is performed, and therefore an objective of ammonia nitrogen content control in the biogas liquid and biogas liquid reducing treatment is achieved. In the biogas liquid film decompression process, ammonia enrichment can be further achieved, biogas can be desulfurized and decarburized at the same time by using enriched ammonia from the biogas liquid, and therefore preliminary purification of the biogas is achieved, then ammonia gas (NH3) entrained in the biogas is washed and CO2 in the biogas is further absorbed by using concentrated biogas liquid with high pH value, and therefore the biogas is purified and nitrogen content in the biogas liquid is controlled. The present invention can realize the biogas liquid reducing treatment, increase the nutrient content in the biogas liquid, and ensure that the ammonia nitrogen content is in a reasonable utilization range; and meanwhile the present invention is relied on low grade energy, and can therefore reduce costs.

The invention relates to a wave energy pump. The wave energy pump is characterized by comprising a plurality of wave energy collecting floating bodies, a plurality of connecting components used for connecting every two adjacent floating bodies, an anchoring device which is connected at the front end of a first floating body, a plurality of sea water pre-processing devices arranged in the floating bodies, and a high-pressure sea water post-processing device. A single-lug ring and a double-lug ring which are opposite to each two floating bodies are arranged on each connecting component and are connected through a pin shaft, and accordingly the adjacent floating bodies can freely swing in an up-and-down and left-to-right mode. A hydraulic cylinder and a piston rod are connected in each floating body through a ball hinged support, and wave energy is directly and efficiently converted into hydraulic energy by the full utilization of relative movement between every two adjacent floating bodies. The wave energy pump is convenient to assemble and disassemble, when sea circulations with bad wave conditions such as typhoon happen or when the wave energy pump needs to be examined and repaired, floating bodies and the first floating body can be disconnected on the water surface, and the wave energy collecting floating bodies are dragged and transported to a safe sea area to avoid risks or to be examined and repaired. The wave energy pump supplies efficient hydraulic power for sea water desalination, power generation and the like, and can be widely applied to the process of developing sea energy.

The invention discloses cuprous oxide powder and a preparation method thereof. The preparation method of the cuprous oxide powder is as follows: smelting pure copper to a molten state, directly atomizing the copper in the molten state in a nitrogen and oxygen mixed atmosphere for oxidation reaction of the copper and oxygen to obtain the cuprous oxide powder. During production of the cuprous oxide powder by the atomization method, the nitrogen and oxygen mixed atmosphere is introduced for high-temperature oxidation of the pure copper and the oxygen in the atomization process to prepare the cuprous oxide powder, meanwhile because of lack of oxygen, cuprous oxide cannot continue to react with the oxygen to form copper oxide. The preparation steps of the method are efficient, fast and convenient, production steps are saved, the production method of the cuprous oxide powder is broadened; and the cuprous oxide powder prepared by the preparation method has relatively concentrated and uniform particle size distribution and excellent physical properties, and is easy to use later.