5results about How to "Improve decarbonization efficiency" patented technology

The present invention discloses a system for efficient decarbonization of associated petroleum gas, which belongs to the technical field of decarbonization of associated petroleum gas. The system comprises a main control module, a raw gas intake system, a cold dryer and an adsorption tower group, wherein the raw gas intake system is connected to the cold dryer in sequence; the adsorption tower group comprises a first adsorption tower and a second adsorption tower; the first adsorption tower is connected to a first inlet valve and a first pressure relief valve at the bottom; the second adsorption tower is connected to a second inlet valve and a second pressure relief valve at the bottom; the first inlet valve and the second inlet valve are both connected to the output end of the second filter; the first pressure relief valve and the second pressure relief valve are both connected to the same port of the first three-way valve, and the remaining two ends of the first three-way valve are respectively connected to an exhaust pipe and a vacuum pump. The system for efficient decarbonization of associated petroleum gas of the present invention, the adsorption tower group can realize continuous decarbonization, and online desorption of the adsorbent, which can ensure the decarbonization efficiency and decarbonization effect of associated petroleum gas.

The invention relates to the technical field of decarburization furnaces, in particular to an adjustable tuyere for an argon-oxygen decarburization furnace and the argon-oxygen decarburization furnace. The adjustable tuyere for the argon oxygen decarburization furnace comprises a tuyere body and a mixed gas injection angle adjusting assembly, a cooling gas cavity and a mixed gas cavity which are isolated from each other and coaxially arranged are formed in the tuyere body, the cooling gas cavity surrounds the outside of the mixed gas cavity, and the mixed gas injection angle adjusting assembly is arranged between the cooling gas cavity and the mixed gas cavity. The mixed gas cavity penetrates through the tuyere body, a mixed gas outlet is formed in one end of the mixed gas cavity, and at least one exhaust hole communicated with the cooling gas cavity is formed in the side face, close to the mixed gas outlet, of the tuyere body. According to the adjustable tuyere for the argon-oxygen decarburization furnace, the spraying angle can be adjusted, it can be guaranteed that mixed gas is more evenly distributed in the furnace, the contact area of the mixed gas and molten steel is relatively large, the decarburization efficiency is improved, and the smelting time is shortened.

The utility model discloses a biogas energy-saving decarburization device which comprises a bottom plate, a decarburization tank is arranged on one side above the bottom plate, a gas inlet pipe is fixed below one side of the decarburization tank, a storage box is arranged above one side of the decarburization tank, a water pump is installed above the storage box, a hose is installed above the water pump, and a gas outlet pipe is installed above the hose. A sealing cover is mounted above the decarburization tank; according to the biogas energy-saving decarburization device, through cooperative use of a connecting disc, a second bolt, a connecting pipe, a filter box, a filter screen and a discharge pipe, after decarburization of biogas is completed, the biogas is discharged into the filter box from a gas outlet pipe, and after the biogas is subjected to multiple filtration through the filter screen in the filter box, impurities in the biogas are filtered out, so that the energy-saving decarburization effect of the biogas is improved. Finally, the biogas is discharged through the discharge pipe, the purity of the biogas after decarbonization is improved, the biogas utilization rate is increased, the practicability is high, meanwhile, the connecting pipe and the gas outlet pipe are conveniently connected through the arrangement of a connecting disc and a second bolt, and the connecting mode is simple.

The invention relates to a membrane separation decarburization process for LNG (Liquefied Natural Gas) cold energy utilization. The device comprises a pre-separation unit, a first-stage membrane separation unit, a heat exchange unit and a second-stage membrane separation unit. The pre-separation unit comprises a separator; the primary membrane separation unit comprises a membrane separator; the heat exchange unit comprises a compressor, a cooler, a heat exchanger and a low-temperature pump; and the secondary membrane separation unit comprises a membrane separator. According to the technology, the technical scheme of two-stage membrane separation and multi-stage heat exchange is adopted, meanwhile, cold energy of LNG can be fully utilized, excessive energy waste is avoided, and compared with other technologies, the technology is high in decarburization rate, low in energy consumption, relatively simple in technological process and low in equipment investment under the same condition.