| 摘要 |
The present invention is an apparatus for introducing a dry material into a fluid stream in a way that ensures a predictable, highly accurate and consistent application of the material. The invention applies variable amounts of dry material regardless of whether the fluid stream flow rate is fixed or variable. The dry material is handled in dry bulk form and may be highly soluble or nearly insoluble. The dry bulk material is metered before being mixed into a slurry and injected to the fluid stream in a manner that continuously and automatically adjusts the application rate to compensate for varying fluid flow rates or chemical composition, in order to provide a precise fluid treatment level at all times. The present invention is capable of storing large quantities of the dry process amendment as an integrated and dust-free function of the apparatus. The invention is capable of monitoring and adjusting material levels and introduction rates in real time in response to variations in density, fluid flow rate and/or chemistry composition through the use of one or more sensors and a processor in communication with the metering device.
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