CN206318717U - A kind of computer controls automated dispensing and the sewage disposal system of dosing - Google Patents

Abstract

The utility model relates to the field of automatic production devices in the field of sewage treatment, in particular to a computer-controlled sewage treatment system for automatic dispensing and dosing, in which a diluent tank, a medicine solution tank, a medicine dispensing box and a medicine adding box are all equipped with liquid level sensors, The diluent tank is connected to the dispensing box by the diluent inlet pipeline, the first electromagnetic valve is set on the diluent inlet pipeline, the medicine solution tank is connected to the medicine dispensing box by the medicine solution inlet pipeline, the second electromagnetic valve is set on the medicine solution inlet pipeline, and the medicine dispensing box The medicine inlet pipeline is connected to the dosing box, the third electromagnetic valve is set on the medicine inlet pipeline, the medicine dosing box is connected to the reaction tank by the medicine outlet pipeline, the sewage pipeline is connected to the reaction tank, the fourth valve is set on the medicine outlet pipeline, A flow transmitter is installed on the outlet pipeline, and a dosing flow pump is installed between the fourth valve and the flow transmitter, which realizes the separation of man and machine, more accurate preparation of medicament and better sewage treatment effect.

Description

A computer-controlled sewage treatment system for automatic dispensing and dosing

technical field

The utility model relates to the field of computer-controlled automatic production devices in the field of sewage treatment, in particular to a computer-controlled sewage treatment system for automatic dispensing and dosing.

Background technique

The sewage discharged by the existing factories needs to meet the corresponding discharge standards, so the sewage needs to be treated. In the field of sewage treatment equipment, the dosing equipment has great demand and application in many production links, and it is currently on the market. Most of them are manual operations, and there are many defects in manual dosing.

In the process of dispensing, manual operation is required, and it is easy to bring external impurities into the liquid medicine, which requires a high degree of cleanliness; the amount of liquid is judged by the operator's eyes, and the accuracy is low, and in the process, The operator cannot leave the site, otherwise it is easy to cause the roof of the chemical tank to fall, which will bring economic losses or safety accidents to the factory; in the process of dosing, the operator needs to formulate the dosing amount according to the record of the dosing concentration, which requires complex calculations and metering The dosing volume of the pump is manually set by the operator’s experience, and it cannot be adjusted in time according to the change of the product flow rate, which may easily cause the drug content index in the product to be high or low; in the daily use process, the operator needs to patrol day and night Inspection, and make a record, when it is found that the dosage of the medicine is insufficient, it needs to be dispensed in time; the labor intensity is high, and the staffing is large.

Contents of the invention

In view of the defects of the prior art, the utility model provides a computer-controlled sewage treatment system for automatic dispensing and dosing, which can realize the separation of man and machine, reduce labor intensity, and has high precision and good sewage treatment effect.

In order to achieve the above object, the technical solution provided by the present invention is a computer-controlled sewage treatment system for automatic dispensing and dosing, including a computer and control software, a diluent tank, a liquid medicine tank, a dispensing box and a dosing box, characterized in that : Diluent tank, liquid medicine tank, dispensing box and dosing box are all equipped with liquid level sensors, the diluent tank is connected to the dispensing box by the diluent inlet pipeline, the first electromagnetic valve is set on the diluent inlet pipeline, the medicine solution tank is controlled by the medicine The liquid inlet pipeline is connected to the dispensing box, the second electromagnetic valve is set on the medicine liquid inlet pipeline, the medicine dispensing box is connected to the dosing box by the medicine inlet pipeline, the third electromagnetic valve is set on the medicine inlet pipeline, and the dosing box is connected to the dosing box by the medicine outlet pipeline. A reaction tank, the sewage pipeline is connected to the reaction tank, a fourth valve is set on the medicament outlet pipeline, a flow transmitter is set on the medicament outlet pipeline, and a dosing flow pump is set between the fourth valve and the flow transmitter; the liquid The position sensor, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the flow transmitter and the frequency converter of the dosing flow pump are all connected to the computer controller. The control system realizes the working process and monitoring.

Or the liquid level sensor, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the flow transmitter and the frequency converter of the dosing flow pump are all connected to the PLC control cabinet

The top of the dispensing box is provided with a drive motor, the bottom of the drive motor is fixedly connected to the stirring shaft, the outside of the stirring shaft is provided with an impeller, the bottom of the stirring shaft is fixedly connected to a conical stirring head, and the outside of the conical stirring head is provided with Spiral piece, the top of the dispensing box is provided with an exhaust port.

The dispensing box includes a first unit for preparing sodium hydroxide solution, a second unit for preparing polyaluminum chloride and a third unit for preparing polyacrylamide, and the diluent tank is connected to the first unit respectively. The first unit, the second unit and the third unit communicate with each other, and the first unit, the second unit and the third unit are connected to the medicine adding tank through the medicine inlet pipe.

Beneficial effects of the present invention: realize the separation of man and machine, avoid long-term contact of personnel with medicine, and carry out production control through information transmission of liquid level gauge and computer control electromagnetic valve switch, so that medicine preparation is more accurate and sewage treatment effect is better.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Among them: 1. Diluent tank, 2. Medicine solution tank, 3. Medicine dispensing box, 4. Dosing medicine box, 5. Liquid level sensor, 6. Diluent inlet pipe, 7. First electromagnetic valve, 8. Medicine solution inlet Pipeline, 9. Second solenoid valve, 10. Chemical inlet pipeline, 11. Third solenoid valve, 12. Chemical outlet pipeline, 13. Reaction tank, 14. Sewage pipeline, 15. Fourth valve, 16. Flow transmitter , 17, dosing flow pump, 18, PLC control cabinet, 19, the first unit, 20, the second unit, 21, the third unit.

detailed description

A computer-controlled sewage treatment system for automatic dispensing and dosing, comprising a diluent tank 1, a medicine solution tank 2, a medicine dispensing box 3 and a medicine dosing box 4, the diluent tank 1, medicine solution tank 2, medicine dispensing box 3 and dosing tank 4 The medicine box 4 is equipped with a liquid level sensor 5, the diluent tank 1 is connected to the dispensing box 3 by the diluent inlet pipeline 6, the first electromagnetic valve 7 is set on the diluent inlet pipeline 6, and the medicine solution tank 2 is connected by the medicine solution inlet pipeline 8 To the dispensing box 3, the second electromagnetic valve 9 is set on the medicinal liquid inlet pipeline 8, the dispensing box 3 is connected to the dosing box 17 by the medicine inlet pipeline 10, the third electromagnetic valve 11 is set on the medicine inlet pipeline 8, and the dosing box 4 is The medicine outlet pipeline 12 is connected to the reaction tank 13, the sewage pipeline 14 is connected to the reaction tank 13, the fourth valve 15 is set on the medicine outlet pipeline 12, the flow transmitter 16 is set on the medicine outlet pipeline 12, and the fourth valve 15 is connected to the flow rate. A dosing flow pump 17 is set between the transmitters 16; the liquid level sensor 5, the first electromagnetic valve 7, the second electromagnetic valve 9, the third electromagnetic valve 11, the fourth electromagnetic valve 15, the flow transmitter 16 and The frequency converters of the dosing flow pump 17 are all connected with the computer controller.

The frequency converters of the liquid level sensor 5, the first electromagnetic valve 7, the second electromagnetic valve 8, the third electromagnetic valve 11, the fourth electromagnetic valve 15, the flow transmitter 16 and the dosing flow pump 17 are all connected with the PLC control cabinet 18 connections.

The top of the dispensing box is provided with a drive motor, the bottom of the drive motor is fixedly connected to the stirring shaft, the outside of the stirring shaft is provided with an impeller, the bottom of the stirring shaft is fixedly connected to a conical stirring head, and the outside of the conical stirring head is provided with Spiral piece, the top of the dispensing box is provided with an exhaust port.

The dispensing box includes a first unit 19 for preparing sodium hydroxide solution, a second unit 20 for preparing polyaluminum chloride and a third unit 21 for preparing polyacrylamide. The diluent tank 1 It communicates with the first unit 19 , the second unit 20 and the third unit 21 respectively, and the first unit 19 , the second unit 20 and the third unit 21 are connected to the dosing tank 4 through the medicine inlet pipe 10 . When preparing sodium hydroxide solution, the concentrated sodium hydroxide solution is put into the liquid medicine tank, and then diluted with water, and the medicine is dispensed in the first unit, and the opening and closing of the electromagnetic valve is controlled by the computer to monitor the concentration of the solution. After the solution is prepared It enters the dosing box, and then controls the motor frequency of the dosing metering pump through the computer to complete the monitoring of the dosing process.

Working process: During the dispensing process, the liquid level sensors on the diluent tank and the liquid tank monitor the liquid level of the two, and the computer controller or PLC control cabinet controls the opening of the first electromagnetic valve, the second electromagnetic valve, and the third electromagnetic valve. 1. The fourth electromagnetic valve is closed, water and liquid medicine enter the dispensing box, mixed and diluted, and the medicine of the required concentration is prepared. After that, the computer controls the third valve and the fourth valve to open, and at the same time the first valve and the second valve are closed. The frequency of the motor on the dosing metering pump is used to add medicine to the reaction pool. The liquid level sensor monitors the liquid level height of the diluent tank, liquid medicine tank, dispensing tank and dosing tank, and switches the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve according to the needs, so that the prepared Chemicals are added to the reaction pool to achieve the purpose of treating and purifying sewage.

The beneficial effects of this specific embodiment: realize the separation of man and machine, avoid long-term contact between personnel and medicine, and carry out production control through information transmission of liquid level gauge and computer control electromagnetic valve switch, so that the medicine preparation is more accurate and the effect of sewage treatment is better . Different chemical preparations are dispensed in different dispensing units, which is cleaner. The automatic dispensing and dosing system adopts PLC control, which has a very high degree of automation and can be truly unattended. When the liquid level in the tank is low and an alarm is issued, the on-site operator only needs to add the liquid medicine; The system will send an alarm signal to the main control room; except for adding the original solution, all other operations, such as starting and stopping the pump, changing parameter settings, etc., can be operated by the mouse in the main control room, and the on-site monitoring state.

Claims (5)

1. a kind of computer controls automated dispensing and the sewage disposal system of dosing, including dilution liquid case, spray tank, Scatula and Dosing tank, it is characterised in that：Dilution liquid case, spray tank, Scatula and dosing tank are respectively provided with liquid level sensor, and dilution liquid case is by dilute Release liquid inlet duct and be connected on Scatula, dilution inlet duct and the first electromagnetic valve is set, spray tank is by decoction inlet tube Road, which is connected on Scatula, decoction inlet duct, sets the second electromagnetic valve, and Scatula is connected to dosing by medicament entrance pipeline 3rd electromagnetic valve is set on case, medicament entrance pipeline, and dosing tank is connected to reaction tank by agent outlet pipeline, and sewage conduct connects The 4th valve of setting on reaction tank, agent outlet pipeline is connected to, flow transmitter is set on agent outlet pipeline, in the 4th valve Dosing flow pump is set between door and flow transmitter.

2. a kind of computer controls automated dispensing according to claim 1 and the sewage disposal system of dosing, its feature exist In：The liquid level sensor, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, flow become The frequency converter of device and dosing flow pump is sent to be connected with computer control.

3. a kind of computer controls automated dispensing according to claim 1 and the sewage disposal system of dosing, its feature exist In：The liquid level sensor, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, flow become The frequency converter of device and dosing flow pump is sent to be connected with PLC control cabinet.

4. a kind of computer controls automated dispensing according to claim 1 and the sewage disposal system of dosing, its feature exist In：Motor is provided with the top of the Scatula, the motor bottom is fixedly connected on the outside of agitating shaft, the agitating shaft and set There is impeller, the shaft bottom is fixedly connected on the outside of taper stirring-head, the taper stirring-head and is provided with flight, described to make up a prescription Box top is provided with exhaust outlet.

5. a kind of computer controls automated dispensing according to claim 1 and the sewage disposal system of dosing, its feature exist In：The Scatula includes being used to prepare the first module of sodium hydroxide solution, for the second unit with preparing polymeric aluminium chloride With Unit the 3rd for preparing polyacrylamide, the dilution liquid case respectively with first module, second unit and Unit the 3rd Connection, the first module, second unit and Unit the 3rd are connected to dosing tank by the medicament entrance pipeline.