Continuous ion exchange resin recovery method and system
A technology of ion exchange resin and resin, applied in the direction of ion exchange, ion exchange regeneration, chemical instruments and methods, etc., can solve the problems of recovery and regeneration, frequent resin, etc., and achieve the effect of simple operation, short cycle and uniform recovery effect
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Embodiment 1
[0052] This embodiment is used to illustrate that the present invention realizes the improved combination of the DCS system and the traditional resuscitative recovery device.
[0053] The present invention also provides a continuous separation resin recovery system, including a DCS control unit, a data acquisition unit, a pneumatic valve group and a recovery tank, the recovery tank is connected to the ion exchange resin column in the continuous ion exchange resin valve array system through a pipeline, and the data The acquisition unit collects the parameter data of the ion exchange resin column and the recovery tank and sends it to the DCS control unit. The pneumatic valve group controls the entry and exit of each material or resin in the recovery tank, and the recovery tank is used for resin recovery; the DCS control unit includes CPU, IO module and Pneumatic valve group control module, the IO module receives the parameter data sent by the data acquisition unit and sends it to...
Embodiment 2
[0061] This embodiment is used to illustrate the continuous ion exchange resin valve array system involved in the present invention, such as figure 1 As shown, the continuous ion exchange resin valve array system includes a production process, a water top sugar process, a backwash process, a regeneration process and a sugar top water process.
[0062] The inlet of each ion exchange resin column is equipped with a flow meter and a regulating valve, and the feed flow rate is set to n (unit: ms) for the PLC cycle sweeping period, and the maximum feeding volume k (unit: ms) of the i-th ion exchange resin column is set (unit: m 3 ), the resin loading volume is v (unit: m 3 ), flow feed [i] (unit: m 3 / h) is the current flow of the i-th ion exchange resin column, then the cumulative volume SUM[i] is as follows:
[0063] SUM[i]=SUM[i]+flow feed [i] / 3600000*n;
[0064] SUM[i]>k*v, the PLC program marks this column as a column that potentially needs recovery
[0065] At the same...
Embodiment 3
[0068] This example is used to illustrate the structure of the resuscitation tank, such as image 3 shown
[0069] The interior of the resuscitation tank is lined with rubber, which will not corrode when entering acid and alkali;
[0070] The top of the resuscitation tank is connected to pure water, acid, alkali, saline water and water inlet pipes. The above pipes are equipped with regulating valves, flow meters, and upward regulating valves to control the flow of water, acid and alkali, and saline water.
[0071] The top of the resuscitation tank is equipped with an intake switch valve, an exhaust switch valve, and a liquid level switch in the chain of the intake and exhaust valves.
[0072] The upper part of the multiple tank body is connected to the backwashing outlet pipeline.
[0073] The bottom of the recovery tank is connected with the air inlet pipe, the backwash water inlet pipe, the sewage pipe, and the regeneration sewage pipe, wherein the downstream of the regene...
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