·PLC－7000浮選機(jī)全自動(dòng)控制系統(tǒng) Flotation Machine

浮選機(jī)全自動(dòng)控制系統(tǒng)

PLC－7000浮選機(jī)全自動(dòng)控制系統(tǒng)
Flotation Machine Fully Automatic Control System

該系統(tǒng)可應(yīng)用于金屬礦山、非金屬礦物的浮選作業(yè)流程中，以入浮礦漿濃度、藥劑添加量和浮選槽液位作為主要控制內(nèi)容，以提高浮選精礦品位和回收率并降低生產(chǎn)成本作為控制目標(biāo)。

This system can be used in flotation of metallic minerals and nonmetallic minerals. It mainly controls the concentration of flotation slurry, reagent added volume and the liquid level of flotation tank, and aims to improve the grade and recovery ratio of flotation concentrate, as well as reduce production costs.

控制內(nèi)容
Control Content

1.實(shí)時(shí)檢測(cè)原礦漿的濃度和流量，通過(guò)PID定值法運(yùn)算改變自動(dòng)閥開(kāi)度調(diào)整稀釋水流量，使入浮礦漿穩(wěn)定在設(shè)定范圍

1. Conduct real-time detection of concentration and flow of the original slurry. Change the openness of automatic valve and adjust the dilution water flow through PID constant value method to stabilize flotation slurry within the setting range.

2.根據(jù)入浮干礦量自動(dòng)調(diào)節(jié)入浮前的浮選藥劑添加量（一段加藥）

2. Automatically adjust the adding amount of flotation reagent before flotation according to flotation dry ore (adding reagent in phase I).

3.根據(jù)浮選工藝階段的具體要求優(yōu)化控制浮選指標(biāo)，自動(dòng)調(diào)節(jié)各個(gè)浮選槽藥劑添加量（二段加藥）

3. Optimize flotation indexes according to specific requirements of flotation stage and automatically adjust the adding amount of reagent in each flotation tank (adding reagent in phase II)

4.檢測(cè)浮選槽液位水平，根據(jù)浮選階段調(diào)控指標(biāo)通過(guò)逆系統(tǒng)控制方法自動(dòng)調(diào)節(jié)槽間閘門(mén)位置，閉環(huán)控制液面穩(wěn)定在所需的范圍

4. Detect the liquid level of flotation tank; regulate indexes according to flotation stages; automatically adjust strobe position between tanks through inverse system control method; stabilize the liquid level of closed-loop control within required range.

5.對(duì)于充氣式浮選機(jī)可根據(jù)需要進(jìn)行浮選槽充氣量控制，保障浮選效果

5. For aeration flotation machine, aeration quantity of flotation tank can be controlled according to needs to ensure flotation effects.

控制方案
Control Scheme

通過(guò)檢測(cè)給入礦漿濃度和流量調(diào)節(jié)加水閥的流量入浮礦漿濃度穩(wěn)定在設(shè)定值；依照浮選各個(gè)階段的不同要求精確控制加藥量；根據(jù)工藝設(shè)定采用逆系統(tǒng)方法控制浮選機(jī)液位決定浮選泡沫刮出量，根據(jù)液位控制中間過(guò)程補(bǔ)水量；根據(jù)在線品位檢測(cè)數(shù)據(jù)分析運(yùn)行狀態(tài)，便于及時(shí)調(diào)整工藝指標(biāo)。

Adjust the flow of filling valve through detecting the concentration and flow of feeding slurry, stabilize the concentration of flotation slurry within the setting value, accurately control the additional dosage according to different requirements in different flotation stages; adopt inverse system method to control the liquid level of flotation machine and decide the scraping amount of flotation froth according to technological design, control water supplement amount during intermediate process according to liquid level, detect the running status of data analysis according to online grade for timely adjustment of technological indexes.

系統(tǒng)功能
System Function

1.系統(tǒng)具有任意轉(zhuǎn)換操作自動(dòng)/手動(dòng)操作，在操作界面上修改入浮濃度、各點(diǎn)加藥量、補(bǔ)水量、浮選槽液位等控制參數(shù)

1. The system is equipped with functions of any conversion operation and automatic/manual operation. It can change control parameters such as flotation concentration, additional dosage of each point, water supplement amount, and liquid level of flotation tank.

2.系統(tǒng)可根據(jù)需要修改各浮選槽驅(qū)動(dòng)電機(jī)的起動(dòng)方式

2. The system can change the start mode of drive motor in each flotation tank based on requirements.

3.實(shí)時(shí)顯示原礦濃度、原礦流量、入浮濃度、各點(diǎn)加藥量、液位高度等參數(shù)

3. The system can instantly display the values of parameters such as the concentration of raw ore, the flow of raw ore, flotation concentration, additional dosage of each point, height of liquid level.

4.實(shí)時(shí)進(jìn)行各測(cè)控參數(shù)運(yùn)行趨勢(shì)圖，便于及時(shí)進(jìn)行工藝調(diào)整

4. The system can conduct real-time monitor of the operation tendency chart for each parameter so that technological adjustment can be made in time.

5.系統(tǒng)自動(dòng)完成各運(yùn)行參數(shù)的歷史數(shù)據(jù)記錄并進(jìn)行數(shù)據(jù)統(tǒng)計(jì)和分析

5. The system automatically finishes the historical data records of each operating parameter and conducts data statistics and analysis.

6.系統(tǒng)根據(jù)控制目標(biāo)自動(dòng)調(diào)整浮選作業(yè)運(yùn)行在****工況狀態(tài)

6. The system automatically adjusts the flotation operation according to control objectives to get it under optimum working conditions.

7.可打印輸出各種數(shù)據(jù)報(bào)表和趨勢(shì)圖，可上傳至企業(yè)管理層

7. The system can print out all kinds of data reports and tendency charts which can be uploaded to the management of enterprise.

8.具有各參數(shù)上下限和電機(jī)故障報(bào)警功能

8. The system is equipped with alarm functions for upper and lower limit of each parameter and motor faults.

9.系統(tǒng)可接入企業(yè)局域網(wǎng)，組成工廠自動(dòng)化系統(tǒng)

9. The system can connect enterprise local area network to constitute factory automation system.

系統(tǒng)構(gòu)成
System Structure

工控機(jī)或觸摸屏及PLC系統(tǒng)

Industry control computer or touch screen and PLC system

1.自動(dòng)控制用戶界面

1. Automatic control user interface

2.自動(dòng)液位控制子系統(tǒng)

2. Automatic liquid level control subsystem

3.數(shù)控加藥子系統(tǒng)

3. Numerical control reagent adding subsystem

4.礦漿濃度計(jì)

4. Slurry concentration meter

5.電磁流量計(jì)

5. Electromagnetic flow meter

7.數(shù)控流量閥

7. Numerical control flow valve

使用效果
Using Effect

浮選自動(dòng)控制可以改善操作條件和保護(hù)環(huán)境，避免人為因素造成的浮選作業(yè)系統(tǒng)不穩(wěn)定的現(xiàn)象。可以在降低藥耗、電耗的基礎(chǔ)上，穩(wěn)定產(chǎn)品質(zhì)量并提高浮選礦物回收率使用該系統(tǒng)可以達(dá)到減員增效的目的，降低了操作人員的勞動(dòng)強(qiáng)度。

Flotation automatic control can improve operating conditions, protect environment, and avoid instability of flotation system caused by human factors. It can stabilize product quality and improve the recovery ratio of ore flotation on the basis of reducing reagent consumption and power consumption. If this system is adopted, the purpose of fewer labors but higher efficiency can be achieved. The labor intensity of operators can be reduced.