SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an automatic system of preparing of emulsion, solve that the concentration error that current emulsion preparation process exists is big, concentration adjustment lags behind, degree of automation is low, artifical occupy many technical problem.
The utility model discloses a realize through following technical scheme:
an automatic emulsion dispensing system, wherein: the system comprises a PLC control system, a pure water tank, a pure water pump, a stock solution tank, a stock solution pump, an emulsion preparation device, an emulsion lifting pump, a liquid storage tank, a pure water inlet pipeline, a concentrated solution inlet pipeline, an emulsion outlet pipeline and a plurality of connecting pipelines;
the upper part of one side wall of the pure water tank is provided with a pure water tank water inlet, and the lower part of the other side wall of the pure water tank is provided with a pure water tank water outlet; a stock solution tank liquid inlet is formed in the upper part of the side wall of one side of the stock solution tank, and a stock solution tank liquid outlet is formed in the lower part of the side wall of the other side of the stock solution tank; a liquid inlet of the emulsion preparation device is formed in the top of one side of the emulsion preparation device, a liquid outlet of the emulsion preparation device is formed in the lower portion of the side wall of the other side of the emulsion preparation device, and a secondary stirring device is arranged in the emulsion preparation device and close to one side of the liquid inlet of the emulsion preparation device; a liquid storage tank liquid inlet is formed in the upper part of the side wall of one side of the liquid storage tank, and a liquid storage tank liquid outlet is formed in the lower part of the side wall of the other side of the liquid storage tank; liquid level meters are arranged in the pure water tank, the stock solution tank, the emulsion preparation device and the liquid storage tank;
the water inlet of the pure water tank is connected with a pure water inlet pipeline, the water outlet of the pure water tank is connected with the liquid inlet of a pure water pump through a connecting pipeline, and the liquid outlet of the pure water pump is connected with the liquid inlet of the preparation device through a connecting pipeline; a pure water flowmeter is arranged on a connecting pipeline between the pure water pump outlet and the liquid inlet of the preparation device;
the liquid inlet of the stock solution tank is connected with a concentrated solution inlet pipeline, the liquid outlet of the stock solution tank is connected with the liquid inlet of a stock solution pump through a connecting pipeline, and the liquid outlet of the stock solution pump is connected with the liquid inlet of the preparation device through a connecting pipeline; a stock solution flowmeter is arranged on a connecting pipeline between the stock solution pump liquid outlet and the preparation device liquid inlet;
the liquid outlet of the preparation device is connected with the liquid inlet of the emulsion lifting pump through a connecting pipeline, and the liquid outlet of the emulsion lifting pump is connected with the liquid inlet of the liquid storage tank through a connecting pipeline; the liquid outlet of the liquid storage tank is connected with an emulsion liquid outlet pipeline; an online concentration meter is arranged on a connecting pipeline between the liquid outlet of the emulsion lifting pump and the liquid inlet of the liquid storage tank;
and the PLC control system is electrically connected with the pure water pump, the stock solution pump, the emulsion lifting pump, the liquid level meter, the pure water flowmeter, the stock solution flowmeter and the on-line concentration meter respectively.
The utility model provides a PLC control system carries out accurate control to the flow of pure water and stoste through calculating, prepares the liquid level in device and the liquid reserve tank through the level gauge to pure water case, stoste case, emulsion simultaneously and carries out real time monitoring, has that degree of automation is high, the concentration is stable, the concentration adjustment is timely, the manual work occupies advantages such as few, can provide the emulsion confession use in the pit of high quality.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the automatic emulsion preparation system in this embodiment includes a PLC control system, a pure water tank 1, a pure water pump 2, a stock solution tank 3, a stock solution pump 4, an emulsion preparation device 5, an emulsion lift pump 6, a liquid storage tank 7, a pure water inlet pipe 8, a concentrated liquid inlet pipe 9, an emulsion outlet pipe 10, and a plurality of connecting pipes 11;
the upper part of one side wall of the pure water tank 1 is provided with a pure water tank water inlet 1-1, and the lower part of the other side wall of the pure water tank 1 is provided with a pure water tank water outlet 1-2; a stock solution tank liquid inlet 3-1 is formed in the upper portion of the side wall of one side of the stock solution tank 3, and a stock solution tank liquid outlet 3-2 is formed in the lower portion of the side wall of the other side of the stock solution tank 3; a liquid inlet 5-1 of the preparation device is arranged at the top of one side of the emulsion preparation device 5, a liquid outlet 5-2 of the preparation device is arranged at the lower part of the side wall of the other side of the emulsion preparation device 5, and a secondary stirring device 5-3 is arranged at one side, close to the liquid inlet 5-1 of the preparation device, in the emulsion preparation device 5; a liquid storage tank liquid inlet 7-1 is formed in the upper portion of the side wall of one side of the liquid storage tank 7, and a liquid storage tank liquid outlet 7-2 is formed in the lower portion of the side wall of the other side of the liquid storage tank 7; the pure water tank 1, the stock solution tank 3, the emulsion preparation device 5 and the liquid storage tank 7 are all internally provided with a liquid level meter 12;
the water inlet 1-1 of the pure water tank is connected with a pure water inlet pipeline 8, the water outlet 1-2 of the pure water tank is connected with a liquid inlet of a pure water pump 2 through a connecting pipeline 11, and a liquid outlet of the pure water pump 2 is connected with a liquid inlet 5-1 of the preparation device through the connecting pipeline 11; a pure water flowmeter 13 is arranged on a connecting pipeline 11 between the liquid outlet of the pure water pump 2 and the liquid inlet 5-1 of the preparation device;
the liquid inlet 3-1 of the stock solution tank is connected with a concentrated solution inlet pipeline 9, the liquid outlet 3-2 of the stock solution tank is connected with the liquid inlet of a stock solution pump 4 through a connecting pipeline 11, and the liquid outlet of the stock solution pump 4 is connected with the liquid inlet 5-1 of the preparation device through the connecting pipeline 11; a stock solution flowmeter 14 is arranged on a connecting pipeline 11 between the liquid outlet of the stock solution pump 4 and the liquid inlet 5-1 of the preparation device;
the liquid outlet 5-2 of the preparation device is connected with the liquid inlet of an emulsion lifting pump 6 through a connecting pipeline 11, and the liquid outlet of the emulsion lifting pump 6 is connected with the liquid inlet 7-1 of the liquid storage tank through the connecting pipeline 11; the liquid outlet 7-2 of the liquid storage tank is connected with an emulsion liquid outlet pipeline 10; an online concentration meter 15 is arranged on a connecting pipeline 11 between the liquid outlet of the emulsion lifting pump 6 and the liquid inlet 7-1 of the liquid storage tank;
the PLC control system is electrically connected with the pure water pump 2, the stock solution pump 4, the emulsion lifting pump 6, the liquid level meter 12, the pure water flowmeter 13, the stock solution flowmeter 14 and the on-line concentration meter 15 respectively.
The utility model discloses a working process:
inputting the concentration and refractive index of the emulsion to be prepared through a PLC control system; the PLC control system controls the pure water pump 2 to lift pure water from the pure water tank 1 to the emulsion preparation device 5, and simultaneously the stock solution pump 4 lifts concentrated stock solution from the stock solution tank 3 to the emulsion preparation device 5; acquiring pure water flow through a pure water flowmeter 13, calculating a concentrated stock solution flow value according to the input emulsion concentration and the pure water flow, continuously adjusting the frequency of a frequency converter and performing PID (proportion integration differentiation) operation with a stock solution flowmeter 14 to enable the output concentrated stock solution flow to continuously tend to the calculated value of the concentrated stock solution flowmeter so as to enable the concentration to be constant; pure water and concentrated stock solution enter an emulsion preparation device 5, are uniformly stirred and mixed through a secondary stirring device 5-3, are lifted to a liquid storage tank 7 by an emulsion lifting pump 6, and are supplied to the underground through an emulsion liquid outlet pipeline 10;
in the process, the liquid level meter 12 in the pure water tank 1, the liquid level meter 12 in the stock solution tank 3, the liquid level meter 12 in the emulsion preparation device 5 and the liquid level meter 12 in the liquid storage tank 7 respectively upload the liquid levels therein to the PLC control system;
when the liquid level of the liquid storage tank 7 reaches a low liquid level, the emulsion lifting pump 6 automatically replenishes the liquid into the liquid storage tank 7 until the liquid level in the liquid storage tank 7 reaches a high liquid level or the liquid level in the emulsion preparation device 5 reaches a low liquid level; when the liquid level in the emulsion preparation device 5 reaches a low liquid level, the pure water pump 2 and the stock solution pump 4 automatically supply pure water and concentrated stock solution into the emulsion preparation device 5 until the liquid level in the emulsion preparation device 5 reaches a high liquid level or the liquid levels in the pure water tank 1 and the stock solution tank 3 reach a low liquid level; when the stock solution tank 3 reaches a low liquid level, the system gives an alarm to remind an operator to replenish the liquid in time through the concentrated solution inlet pipeline 9; when the pure water tank 1 reaches a low liquid level, the system gives an alarm to remind an operator to supplement water in time through the pure water inlet pipeline 8;
the PLC control system compares and checks the concentration uploaded by the online concentration meter 15 with the concentration calculated by the set emulsion concentration and the refractive index in real time, and when the error exceeds 0.1%, the system gives an alarm to remind an operator to check whether pipelines, equipment and instruments are normal or not.
As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.