5results about How to "Improve the crystallization process" patented technology

The invention relates to a self-induced crystallization phase change storage unit and a preparation method thereof, the self-induced crystallization phase change storage unit comprises a phase change storage medium layer, the phase change storage medium layer is a multi-layer structure formed by phase change material layers and self-induced crystallization InyTe100-y material layers which are vertically stacked, periodically and alternately grown, and y is more than or equal to 20 and less than or equal to 80. The self-induced crystallization phase change memory cell has the characteristics of rapid data writing capability and long service life, can realize high-low resistance difference of more than three orders of magnitude, effectively improves the multi-resistance state memory stability, and can solve the problems of high power consumption, short service life, slow phase change speed and the like of a phase change memory in the prior art.

The present application relates to sewage treatment technical field, the present application provides a kind of harmless treatment device of sewage for fiber production, for processing liquid in fiber filament washing tank, including crystallizing tank setting in washing tank side, crystallizing tank is communicated with washing tank, to enable the liquid in washing tank can enter crystallizing tank, crystallizing tank has PH regulator adding port;Refrigerant liquid inlet pipe is set in crystallizing tank, one end of refrigerant liquid inlet pipe is located outside crystallizing tank, the other end is located in crystallizing tank;Refrigerant liquid outlet pipe sleeve is set on refrigerant liquid inlet pipe, and the inner wall of refrigerant liquid outlet pipe and the outer wall of refrigerant liquid inlet pipe have liquid outlet gap, one end of refrigerant liquid outlet pipe is located outside crystallizing tank, and refrigerant liquid outlet pipe is configured, one end of refrigerant liquid outlet pipe located in crystallizing tank and one end of refrigerant liquid inlet pipe located in crystallizing tank are interconnected.By the above technical scheme, the technical problem that the liquid in the tank body is slowly cooled by the heat exchange medium in the tank body interlayer in the prior art is solved.

This invention relates to a CVD-modified coating, its preparation method, and its application, belonging to the field of coating technology. The preparation method includes the following steps: obtaining a CVD coating using chemical vapor deposition; subjecting the CVD coating to freeze-drying to obtain a first CVD coating; subjecting the first CVD coating to magnetic field heat treatment to obtain a second CVD coating; and sequentially alternatingly processing the second CVD coating with the freeze-drying and magnetic field heat treatments to obtain the CVD-modified coating. Based on existing CVD coating preparation methods, this invention utilizes a combined magnetic field heat treatment and freeze-drying process for synergistic modification, optimizing the microstructure of the CVD coating. When applied to a substrate surface, it can improve its hardness and wear resistance, thereby extending the service life of devices such as cutting tools, molds, and machine parts, and has a wide range of applications.

The utility model relates to the technical field of chemical fiber equipment, and discloses a movable small drying tower, which comprises a storage barrel fixed on a movable frame. A discharging connecting opening is formed in the bottom of the storage barrel; at least four rollers are arranged at the bottom of the movable frame; a hot air drying device is arranged on the movable frame and comprises a hot air pipe, and the hot air pipe is communicated with the lower cavity of the storage barrel. The problems that in the prior art, when a large drying tower is used for small-batch production, energy consumption is high, and cost is high are solved, and the effects of reducing energy consumption, saving cost and being flexible in operation are achieved.

The invention relates to the technical field of fiber manufacturing, in particular to a special-shaped section polylactic acid hollow filament as well as a preparation method and application thereof. According to the filament, a stereocomplex crystal sc-PLA is constructed by adopting PLLA / PDLA in a near equal proportion, and a multifunctional epoxy chain extender, a polycarbodiimide hydrolysis-resistant agent, a quaternary ammonium salt organized flaky montmorillonite and phosphate / phosphonate metal salt compounded nucleation system and a polyether type reaction grafting hydrophilic agent with a sulfonate ion group and an epoxy reaction group are synergistically introduced. The hydrophilic groups are covalently fixed; and the washable stability is improved. The material meets the conditions that the sc-PLA melting peak is 220-235 DEG C, delta Hmsc is larger than or equal to 12 J / g, the proportion is larger than or equal to 0.55, the grafting rate is larger than or equal to 60%, the ion group retention rate is larger than or equal to 80%, and the contact angle is smaller than or equal to 70 degrees after washing is conducted five times; the wicking height after washing can be increased by more than or equal to 20% when the fabric is used for fabrics, and the fabric has warm keeping and lasting moisture guiding functions.