2results about How to "Without compromising quality" patented technology

The utility model discloses a kind of processing drying device, including bottom plate, the bottom plate upper surface is fixed with multiple support rods, multiple the support rod top end is jointly fixed and connected with air-drying box, and air-drying box top is fixed with inlet hopper, the bottom plate upper surface is mounted with the suction grain machine that enters inlet hopper input rice;In the utility model, set air-drying box, inlet hopper, suction grain machine, hot air component, several guide plates, air inlet cover and screen, several guide plates are staggered and inclined in air-drying box inside Setting, after rice is transported to air-drying box top using suction grain machine, rice slides down along guide plate from top to bottom, in this process, hot air is blown into air-drying box using hot air component, rice is dried using hot air, and because several guide plates are set, rice stays in air-drying box for long enough, ensure that rice is completely dried, and will not damage the quality of rice, in addition, the device also smaller floor space.

This invention relates to a method for reducing the iron ion concentration in a trivalent chromium electroplating bath, the method comprising the steps of: (i) providing the trivalent chromium electroplating bath, comprising: (a) trivalent chromium ions, and (b) iron ions; (ii) subjecting at least a portion of the trivalent chromium electroplating bath to air agitation to obtain at least an air-agitated portion of the trivalent chromium electroplating bath; (iii) contacting the air-agitated portion of the trivalent chromium electroplating bath with an ion exchange resin to obtain a resin-treated portion of the trivalent chromium electroplating bath; and (iv) returning the resin-treated portion of the trivalent chromium electroplating bath to the trivalent chromium electroplating bath, provided that the trivalent chromium electroplating bath provided in step (i) has been used or is being used in an application of 18 A / dm³. 2 In the case of a higher cathode current density, a chromium layer is electrodeposited on at least one substrate; - after step (iii), the concentration of iron ions in the resin treatment section of the trivalent chromium plating bath is lower than the concentration in the air agitation section of the trivalent chromium plating bath; and - after step (iv), based on the total volume of the trivalent chromium plating bath, the concentration of iron ions in the trivalent chromium plating bath is lower than 50 mg / L.