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The present application belongs to the technical field of processing of by-products of brewing, and specifically discloses a method and device for reducing viscosity of distiller's grains based on enzyme treatment, which comprises the following steps: S1, dispersing the distiller's grains of liquor and mixing the auxiliary materials by means of a stirrer; S2, adjusting the pH of the uniformly dispersed and mixed distiller's grains by means of ammonia water, and then adding enzyme hydrolysate, and performing enzymolysis for 24 hours; and S3, further adding decomposition enzyme to perform enzymolysis into sugar. The method and device for reducing viscosity of distiller's grains based on enzyme treatment are used to disperse the distiller's grains and mix the auxiliary materials by means of the inner rotation and outer rotation modes of the stirrer, and to reduce the viscosity of the distiller's grains by means of a two-step enzyme hydrolysis method, so that the viscosity of the distiller's grains is reduced and the saccharification rate of the distiller's grains is improved, thereby laying a foundation for further fermentation of the distiller's grains to produce protein.

The utility model provides a multidirectional adjustable back-of-ear hearing aid fixing mechanism, which relates to the technical field of hearing aids and comprises a hearing aid body, a hanging neck fixedly connected onto the hearing aid body and a clamping structure, the clamping structure comprises a rotating block slidably connected onto the hanging neck, an outer sliding rod is fixedly connected onto the rotating block, and an inner sliding rod is fixedly connected onto the outer sliding rod. A transmission block is fixedly connected to the outer sliding rod, a transmission shaft is connected to the transmission block in a sliding mode, a sliding rod is fixedly connected to the transmission shaft, a sliding frame is fixedly connected to the sliding rod, the sliding frame is connected to the hanging neck in a sliding mode, and a lower sliding frame is fixedly connected to the rotating block. Even if the friction force is reduced due to sweating or grease secretion of the ears of the user, continuous fixing force can still be provided based on mechanical transmission and clamping triggered by pulling of the data line, the reliability and wearing comfort of the fixing mechanism are remarkably improved, and the problem that in the prior art, a fixing mechanism is prone to falling off is effectively solved.