| 摘要 |
A chemicals injecting apparatus is provided to inject a fixed quantity of chemicals into the storage tank in proportion to the flow rate of a fluid flowing into the storage tank, and shorten the construction time and reduce the installation cost by applying the apparatus to the conventional facilities without modifying conventional facilities extensively. An apparatus for injecting a fixed quantity of chemicals into a storage tank without using power comprises: a storage tank(10) on which a water inflow pipe(11) is penetratingly installed to flow raw water(a fluid) into the storage tank; a flow amount casing(20) which is installed on the water inflow pipe, and on which impellers rotated by flow amount and flow rate of the raw water are mounted; a flexible shaft(30) connected to the flow amount casing to receive rotary power of the impellers; a gear box which is driven by receiving the rotary power from the flexible shaft, and which is disposed on a top part of the storage tank; a pump drive part(50) including a cam rotatably mounted on the gear box, and a transfer rod straightly reciprocated according to a rotary motion of the cam; and a metering pump(60) operated to perform a pumping operation by a compression tube pressurized according to a straight reciprocating motion of the transfer rod of the pump drive part. |
