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Automatic proportioning control of emulsion gravimetric blender


source:[Gravimetric blender]   release time:2021-04-09 16:19:18




1. A control method for automatic emulsion proportioning, characterized by comprising the following steps: measuring the concentration and liquid level of the emulsion in the emulsion tank through a concentration sensor and a liquid level sensor; if the concentration is not within the specified range , The controller calculates the volume of water and oil in the emulsion tank according to the detected liquid level and concentration, and then calculates and determines the volume of water and oil to be added to the standard concentration; then opens the corresponding water supply solenoid valve or supply The oil emulsified oil pump detects and controls the corresponding volume of water and oil flowing in through the corresponding flow meter; if the liquid level in the emulsion tank is lower than the preset value H2 at this time, the water supply solenoid valve or the oil supply emulsified oil pump is controlled to add the The standard concentration is equipped with water and oil in the corresponding proportions until the liquid level in the emulsion tank reaches the preset value H3.

2. The automatic emulsion proportioning control method according to claim 1, wherein the water supply solenoid valve or the oil supply emulsified oil pump is automatically controlled by the controller according to the volume of water and oil to be added.

3. The method for controlling the automatic proportioning of emulsions according to claim 2, wherein the specified concentration range is 3 to 5%, and the standard concentration is 4%.

4. The automatic emulsion proportioning control method according to claim 2, wherein the output of the water supply solenoid valve and the oil supply emulsified oil pump are mixed through a mixer and then enter the emulsion tank. 5.

5. The automatic emulsion control method according to claim 2, characterized in that the oil supply emulsified oil pump is controlled to take oil from the oil tank, and the operation of the oil supply pump is automatically controlled by the controller to maintain the oil in the oil tank. The quantity lies between the preset range H0~H1.

6. An emulsion automatic proportioning control system, which is characterized in that it includes a pressure reducing valve, a water supply solenoid valve, a flow meter, an oil supply pump, an oil tank, an emulsified oil pump, a mixer, and a controller; Pressure valve, water supply solenoid valve, flow meter, the outlet of the flow meter is connected to the first inlet of the mixer; the oil source is connected to the inlet of the oil tank through the oil supply pump, and the outlet of the oil tank is connected to the emulsified oil pump and the flow meter in turn through a pipeline, and then connected To the second inlet of the mixer; the outlet of the mixer is connected to the inlet of the emulsion tank; the emulsion tank is provided with an emulsion concentration sensor and a liquid level sensor, and the signal output terminal is connected to the controller, and the control The device is connected to the control end of the water supply solenoid valve, the oil supply pump and the emulsified oil pump.

7. The emulsion automatic proportioning control system according to claim 6, characterized in that: a filter is provided in the management between the water source and the pressure reducing valve.
 [Gravimetric blender]