WTC-JSP集散式皮帶秤配料系統(tǒng):
威泰克公司研制開發(fā)的WTC-JSP集散式皮帶秤配料系統(tǒng)(配料秤),是計算機(jī)技術(shù)、控制技術(shù)、通訊技術(shù)和圖形顯示技術(shù)相結(jié)合的產(chǎn)物,其控制功能*,顯示、操作集中,數(shù)據(jù)處理方便,安裝、維護(hù)簡單,系統(tǒng)便于擴(kuò)展。適用了現(xiàn)代工業(yè)生產(chǎn)的高度自動化和工藝過程控制的日益復(fù)雜化。系統(tǒng)廣泛應(yīng)用于冶金、焦化、化工、燒結(jié)、球團(tuán)、選礦、建材、輕工、水泥、食品、化肥等行業(yè)。
工作原理:
圓盤給料機(jī)或其它上位輸送機(jī)輸送物料到單機(jī)皮帶秤,單機(jī)皮帶秤的重量信號,速度信號進(jìn)入積算器,并在積算器內(nèi)部進(jìn)行處理和顯示,同時,輸出與流量成正比的4~20mA電流信號都智能調(diào)節(jié)器,調(diào)節(jié)器根據(jù)用戶設(shè)定的PID參數(shù)及理想控制值,輸出4~20mA電流到電機(jī)控制器,并由其調(diào)節(jié)給料機(jī)速度快慢,從而達(dá)到控制給料量的目的。上位機(jī)通過RS485接口把配比下達(dá)到各臺調(diào)節(jié)器,把積算器的累重和流量讀入機(jī)內(nèi)進(jìn)行建庫、顯示、打印等。
系統(tǒng)組成:
配料系統(tǒng)主要由現(xiàn)場生產(chǎn)設(shè)備,單機(jī)皮帶秤(包括輸送機(jī)系統(tǒng)、皮帶秤體、稱重儀表、稱重傳感器、測速傳感器設(shè)備)、調(diào)節(jié)器、變頻控制器、PLC、電氣控制柜、上位機(jī)、系統(tǒng)軟件以及料位檢測裝置等組成。
系統(tǒng)主要特點:
◆稱重給料機(jī)良好的計量性能為系統(tǒng)提供準(zhǔn)確、穩(wěn)定的基礎(chǔ)數(shù)據(jù);
◆智能單回路調(diào)節(jié)器具有PID多種算法,并可實現(xiàn)手動/自動無憂切換;
◆單機(jī)啟停、順序啟停、料頭料尾對齊,上下級設(shè)備的連鎖、解鎖;
◆可根據(jù)不同的給料設(shè)備選擇變頻控制器、滑差調(diào)速控制器;
◆可設(shè)定單臺下料量和按比例設(shè)定配比量;
◆可選開環(huán)或閉環(huán)控制功能,以實現(xiàn)系統(tǒng)的智能控制。
主要技術(shù)參數(shù):
皮帶秤計量誤差:≤±0.5%或≤±1.0%
配料系統(tǒng)精度:≤±1.0%或≤±2.0%
環(huán)境溫度:-20℃~70℃
系統(tǒng)配料能力范圍:0~800t/h
可選料位測量精度:±0.5%或±1.0%
電源:380/220VAC、50HZ
電流輸出:0~20mA或4~20mA正比于單機(jī)皮帶秤流量
通訊網(wǎng)絡(luò):RS-485/422
wtc-jsp distributed belt scale batching system (batching scale) developed by weikek company is the product of the combination of computer technology, control technology, communication technology and graphic display technology. its control function is perfect, the display and operation are centralized, the data processing is convenient, the installation and maintenance are simple, and the system is easy to expand. fully applicable to the high degree of automation of modern industrial production and the increasing complexity of process control. The system is widely used in metallurgy, coking, chemical, sintering, pellet, mineral processing, building materials, light industry, cement, food, fertilizer and other industries. Working principle: The disk feeder or other upper conveyor conveys material to the single machine belt scale, the weight signal of the single machine belt scale, the speed signal enters the accumulator, and it is processed and displayed inside the accumulator. At the same time, the output of the 4~20mA current signal proportional to the flow rate is all intelligent regulator, and the regulator outputs the 4~20mA current to the motor controller according to the PID parameters set by the user, and adjusts the speed of the feeder to achieve the purpose of controlling the feed quantity. The upper computer sends the ratio to each regulator through the RS485 interface, and reads the accumulator's accumulator's weight and flow rate into the machine to build the library, display, print and so on. System composition: The batching system is mainly composed of field production equipment, single machine belt scale (including conveyor system, belt scale body, weighing instrument, weighing sensor, speed measurement sensor equipment), regulator, frequency conversion controller, PLC, electric control cabinet, upper computer, system software and material level detection device. Key features of the system: The good measuring performance of weighing feeder provides accurate and stable basic data for the system. Intelligent single-loop regulator with PID algorithms, and can achieve manual / automatic worry-free switching; Single machine start and stop, sequence start and stop, material end alignment, upper and lower equipment chain, unlock; ◆ variable frequency controller and slip speed controller can be selected according to different feed equipment; ◆ can set the quantity of single feed and proportion of proportion; ◆ optional open-loop or closed-loop control functions to achieve intelligent control of the system. Main technical parameters: Measuring error of belt scale :≤±0.5% or ≤±1.0% Precision of batching system :≤±1.0% or ≤±2.0% Ambient temperature :-20℃~70℃ System batching capacity range :0~800 t/h Optional level measurement accuracy :±0.5% or ±1.0% Electricity :380/220 VAC、50HZ current output :0~20 mA or 4~20 proportional to the flow rate of a single belt scale Communication network: RS-485/422