30 results about "Carbon dioxide binding" patented technology

An object of the invention is to provide an injection molding process for preparing thermoplastic resin molded articles and an injection molding apparatus for use in practicing this process, the process and the apparatus being adapted to supply a blowing agent, especially a nonreactive gas such as carbon dioxide or nitrogen gas, to a thermoplastic resin continuously at a relatively low pressure with good stability to incorporate the agent or gas into the resin. As shown in FIG. 3, a resin in a cylinder (2) of an injection molding machine (1) as melted by rotating a screw (3) is mixed and dissolves carbon dioxide which is supplied to the molten resin from a gas supply opening (5) formed in the screw (3). An amount of the gas-incorporating molten resin is measured out and injected into a mold cavity to obtain an expansion-molded article. To incorporate carbon dioxide into the molten resin, the gas is supplied from a gas inlet (11) formed in a rear end portion of the screw to a portion (4a) not fed with the resin and positioned between front and rear screw flights and closer to the front flight, through a gas supply channel 6 extending through the screw and via the supply opening (5).

A method for reducing energy consumption and oxygen production of a medical shelter through a carbon dioxide absorption machine comprises the steps that the carbon dioxide absorption machine is arranged; a carbon dioxide sensor in the carbon dioxide absorption machine monitors the concentration of carbon dioxide in the cabin body in real time, and whether the carbon dioxide absorption machine is started to absorb carbon dioxide or not is determined according to the concentration of carbon dioxide, and the method comprises the steps that when the concentration of carbon dioxide exceeds 0.1%, the carbon dioxide absorption machine is started; soda lime in the carbon dioxide absorption tank is combined with carbon dioxide; and when the carbon dioxide concentration is lower than 0.5%, the carbon dioxide absorption device stops working. The carbon dioxide absorption machine is connected with the oxygen making unit and the air conditioning unit and works in a linkage mode, loss of heat and cold in the cabin, the working capacity of the air conditioning unit and the size and weight of the cabin body are reduced on the premise that the requirements for the capacity of the oxygen making unit and the capacity of the air conditioning unit are reduced, and the constant temperature range of the treatment state in the cabin is conveniently kept. The adaptability, the maneuverability and the application range of the cabin body to severe road conditions are improved.