有關(guān)自動稱重配料系統(tǒng)的中英文翻譯(共11頁)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上Automatic batching and weighing system system Now, along with the development of science and technology, Automatic batching and weighing system has been widely used in metallurgy, coal, chemicals, building material industry, etc. Automatic batching and weighing system can be set accordi

2、ng to the input ratio and flow control of material flow, thereby achieve control of product quality and yield of the objective is to realize the automatic production process, and intelligent, enterprise's scientific management, safe and stable production and energy consumption is the important t

3、echnical means. Computer control system in the production of ingredients used not only can improve the yield and quality ingredients and greatly reduce the labor intensity, and post to improve production efficiency.Belt batching system is a continuous totalizing automatic weighing instrument. It has

4、 played a critical role in coal, chemical industry, metallurgy, building materials, food and other sectors that are crucial to national economy and people's livelihood. The cumulative control of some mixed materials batching is realized by batching scale. This accurate cumulative control can cut

5、 down the cost of manufacture, improve the quality of the product and enhance the efficiency of labor.Automatic batching and weighing system is a kind of integrating transportation, measuring, mixing in an online automatic weighing apparatus measured dynamic. This system consists of one or more ingr

6、edients belt scales, can show not only transient flow and total amount of conveyor belt, can also according to the value of the instantaneous flow deviation to adjust to the size of the feed to flow, constitute a closer setting control system, and achieve constant flow of purpose. Along with the rap

7、id development of industrial production, electronic belt scale increasing demand of burdening system, was widely applied in a pan of metallurgy, power, chemical industry, food industry etc of process control. At the same time, along with the computer technology and the rapid development of the autom

8、atic control technology, the system application technology more advanced, more extensive, field can take the scheme is more agile diversity, and, due to the system often costly, users of the actual conditions are also different. Therefore, careful, choose a reasonable, perfect, economic solution app

9、ears especially importantThe structures of the belt scales ingredients consists mainly of transmission mountings, weighing transducer speed sensor, scale, active roller, driven roller, conveyor belt conveyors, drag, adjusting devices, equipment etc. When the scattered in conveyor belt scale body thr

10、ough the material on the weighing scale body, the speed sensor and sensor signal and the weight of millivolt belt speed pulse signal through the junction box to strap balance meter.The overall design philosophy of the Automatic batching and weighing system of the belt is: Before the belt conveyer is

11、 put into operation, the settlement value of the flow of the supplies is established on the keyboard by the attenbant to carry on the belt. After the system is put into normal running, loading signal of the belt that the one-chip computer samples and the speed signal leaves, walk belt speed signal a

12、nd belt instantaneous weight, unit of length is it can calculate out belt twinkling of an eye flow F of supplies to multiply (t) . The flow can be in charge of the number and show, offer the craft data to attenbant to consult in the twinkling of an eye. 8031 systems and then compare the actual value

13、 of the flow instead of the establishing value, calculate out controlling amount vi after PID regulates operation, and then change into the electric current and output the signal, and then enlarged and controlled leading the open angle of silicon controlled rectifier, realize regulating the function

14、 of the electricity electromechanical magnetism clutch excitation electric current of slippery difference, thus regulate the rotational speed of the slippery difference electrical machinery of executive body, enable transporting the flow of supplies on belts to stabilize in the adjacent place of set

15、tlement value as much as possible, have a good static index and dynamic performance.Automatic batching and weighing system is widely applied in industrial and agricultural production and social life in all areas. Especially the metallurgy, coal, chemicals, cement industries, often need to spread in

16、the dynamic process of belt conveyor, and continuous weigh on conveying the flow adjustment and control, accurate ratio.The quality control of ingredients directly relates to the enterprise can produce smoothly. If the quality of compound reach requirements, causing a waste of energy, raw materials,

17、 while influence the quality of the products and productivity, and some of the important position of the ingredients for the production of mistakes even a accident. Therefore, the high precision and ingredients ingredients and how quickly the whole manufacturing restricts the product quality and yie

18、ld response, so the quality and yield of compounding process control give enough attention. Electronic says automatic batching system can be set according to the input ratio and flow control of material flow, thereby achieve control of product quality and yield of the objective is to realize the aut

19、omatic production process, and intelligent, enterprise's scientific management, safe and stable production and energy consumption is the important technical means. Computer control system in the production of ingredients used not only can improve the yield and quality ingredients and greatly red

20、uce the labor intensity, and post to improve production efficiency. Because the system of production lines, with the same ingredients and composed of daytime belt says system for example. This system mainly consists of ingredients, instrument, electronic control frequency, industrial control compute

21、r cabinet, and monitoring and management software.1) ingredients electronic saidIngredients of electronic belt says the bulk materials through belt of automatic weighing and continuous accumulated, transportation and measuring two functions. Weighing part adopts resistance strain working principle,

22、structure, roller leveraged practical work, belt constant velocity measurement called by feeding speed regulating superior to change the material flow, this type of enterprises with more than say for production process control.2) meter controllerInstrumentation control including daytime belt says, e

23、ach instrument meter from receiving belt says the weight of the weighing transducer speed sensor signal and the changes of the belt speed pulse signal, calculate flow and accumulation. And will flow signals in 4-20 ma simulation current form, work-managing machine will flow for industrial computer s

24、ignals and machine after comparison, according to a certain value of output control rule 4-20 ma adjusting control signal, feeder, forming a single speed closed-loop control certain material flow, achieve the goal.3) inverter arkArk of the converter, the dynamic control switch from higher feeding mo

25、tor control signalsThe rev. Stop, simultaneously also accept four from polymerizing-kettle - 20 ma adjustment, to change the output signalPower supply of frequency, and control site 7 feeder speed. If the inverter power,To configure the cooling fan, to ensure the converter can work normally.4) indus

26、trial control computer and softwareHuaShuo use polymerizing-kettle IPC - 610 # 14 industrial PC chassis frame 6179L length, configuration PCA - 512M memory and CPU card, with 80G hard disk, a PCL - 746 + 4 ports RS232 485 communication interface card 422, 2-4 1720U type PCI simulation output channel

27、 segregation, work-managing machine as PC, through two-way communication interface RS485 with belt says, through RS232 instrument online communication interface with dynamic two-way the PLC control, analog output online control signal control feeding machine to flow, which constitute a complete syst

28、em of the ingredients. Other vital industrial computer interface RS485 two-way communication, to prepare for and plant upper polymerizing-kettle communication.The main functions are monitoring software, according to the production of formula and yield target weighing process of automatic control, st

29、atistic data management and weighing achieve print. System software has a variety of on-site control mode and the input, a formula of adapting to different engineering requirements, users can set alarm print time parameters, use the menu interface, easy to use, users can through the mouse or keyboar

30、d operate on the ingredients, control and management system.The main components of the control system are belt scales, programmable controller, communication system design and monitoring software modules etc, electronic belt says the structure and working principle of below a specific instructions a

31、re not here, programmable controller using OMROM company CQM1H type module type programmable controller, configuration CQM1H - CPU21 - E type CPU module, PA203 CQM1 - power module, four CQM1-212 type 16 points I/O input module, 2-16 points OC222 CQM1 type of I/O output module, the system module poin

32、ts total 112. Each electronic belt says about the input signal is PLC belt running deviation switch alarm signal, belt skid alarm input, alarm, main belt running and site operation dish central/site selection, on-site control control feeding machine and belt conveyor start/stop, central control feed

33、ing machine and belt conveyor and stop signal, each electronic belt says about PLC output signal a belt running deviation indicator lights, startup, belt skid feeder, start signal of belt conveyor.Communication system design choices as PC software platform VB6.0 by use Basic6.0 Visual, with its frie

34、ndly interface, easy to use, develop strong practicability etc, are widely used in both at home and abroad.Monitoring software module of the software is based on Windows 2000, operating system, and Basic6.0 Visual programming language, make Access2000 database management. Mainly used for system oper

35、ation module which enter or exit site control condition, operating, establish initialization, a new production tasks, keep the ingredients of the project, the next after each parameter can be automatically boot, enter the project, in order to prevent general people literally, set up the start-up sys

36、tem login function. Statements management module function is the first enter inquires, the operator can pages of all channels of historical data and browse ingredients, inquires according to the passage, when the date and time, divisions, data ingredients generate reports and print.On-site control m

37、odule mainly used for setting engineering parameters, monitor and control field ingredients.Setting module for setting the initialization parameter ingredients and engineering. Namely, the time, the production of Numbers, initial placement, automatic reset manually/cumulative class, single/completio

38、n and other parameters said belt.The structures of the belt scales ingredients consists mainly of transmission mountings, weighing transducer speed sensor, scale, active roller, driven roller, conveyor belt conveyors, drag, adjusting devices, equipment etc. When the scattered in conveyor belt scale

39、body through the material on the weighing scale body, the speed sensor and sensor signal and the weight of millivolt belt speed pulse signal through the junction box to strap balance meter 3By feeding equipment materials to electronic belt scales, says the speed sensor weighing sensors and weighing

40、and speed signal sent to weigh instrument meter, weighing the instantaneous flow conveying materials, accumulation, at the same time, the data such as measuring the measured value and value deviation, through the inverter to adjust the speed of the motor drive belt scales, make accurate to user sett

41、ing to flow, material flow to a constant.For electronic belt scales, can choose just qualitative s-type weighing transducer. The connection mode using joint bearings, tensile condition in the lateral force, the ability, can be installed on the seal, compact structure, within the beam.The system is c

42、omposed of a platform characteristic of a machine to control the multiple feeder, in order to achieve certain proportion between each feeder, the work is connected, and give a quantitative as current ratio, so its modified control structure is more complex.自動稱重配料系統(tǒng)目前，隨著科學技術(shù)的不斷發(fā)展，自動稱重配料系統(tǒng)已經(jīng)廣泛應(yīng)用于冶金、煤炭

43、、化工、建材等行業(yè)中1。自動稱重配料系統(tǒng)可以按照設(shè)定配比和流量控制各輸入物料的瞬時流量，從而達到控制各種產(chǎn)品的質(zhì)量和產(chǎn)量的目的，是實現(xiàn)生產(chǎn)過程自動化和智能化、企業(yè)的科學管理、安全穩(wěn)定生產(chǎn)和節(jié)能降耗的重要技術(shù)手段。微機配料控制系統(tǒng)在生產(chǎn)中的應(yīng)用不僅可以提高配料質(zhì)量和產(chǎn)量，也大大減輕了崗位工人的勞動強度，提高了生產(chǎn)效率。自動稱重配料系統(tǒng)是一種連續(xù)累計自動控制系統(tǒng)，廣泛用在煤炭、化工、冶金、建材、食品等關(guān)系國計民生的各個行業(yè)，配料系統(tǒng)可對物料的配比實現(xiàn)累計量控制，而準確的累計量控制可提高產(chǎn)品質(zhì)量，降低生產(chǎn)成本，提高勞動效率。自動稱重配料系統(tǒng)是一種集輸送、計量、配料于一體的在線測量動態(tài)自動衡器。該系統(tǒng)

44、由一臺或多臺配料電子皮帶秤組成，不僅能夠顯示瞬時流量和累計量，還可以根據(jù)輸送帶的瞬時流量與設(shè)定值的偏差去調(diào)整給料量的大小使瞬時流量更加接近設(shè)定值，構(gòu)成一個環(huán)控制系統(tǒng)，達到恒定瞬時流量的目的。隨著工業(yè)生產(chǎn)的迅速發(fā)展，電子皮帶秤配料系統(tǒng)的需求量日益增大，被廣一泛應(yīng)用于冶金、建材、電力、化工、食品等行業(yè)的工藝控制。同時，隨著電子計算機技術(shù)和自動控制技術(shù)的飛速發(fā)展，該系統(tǒng)所應(yīng)用的技術(shù)更加先進，領(lǐng)域更加廣泛，可以采取的方案更加靈活多樣，而且，由于系統(tǒng)往往耗資巨大，用戶的實際條件也各不相同。因此，慎重，全面地選擇一套合理、完善、經(jīng)濟的方案就顯得尤其重。自動稱重配料系統(tǒng)的結(jié)構(gòu)組成主要由輸送機架、稱重傳感器、

45、測速傳感器、秤架、主動滾筒、從動滾筒、輸送帶、張緊裝置、拖動裝置、調(diào)偏裝置等組成。當散落在輸送皮帶機上的物料通過秤體時，秤體中的稱重傳感器和測速傳感器分別把重量毫伏信號和帶速脈沖信號通過接線盒送往皮帶秤儀表自動配料系統(tǒng)的總體設(shè)計思想為：皮帶輸送機投入運行前，輸送皮帶上物料流量的設(shè)定值由操作人員在鍵盤上設(shè)定。系統(tǒng)投入正常運行后，單片機采樣皮帶荷重信號和走速信號，將皮帶走速信號與皮帶單位長度上的瞬時重量相乘即可計算出皮帶上物料的瞬間流量F(t)。瞬間流量可通過數(shù)碼管顯示出來，為操作人員提供工藝數(shù)據(jù)參考。8031系統(tǒng)再將流量實際值與其設(shè)定值進行比較，經(jīng)PID調(diào)節(jié)運算后計算出控制量vi，再轉(zhuǎn)換為電流輸

46、出信號h后而后經(jīng)放大去控制可控硅的導通角，實現(xiàn)調(diào)節(jié)滑差電機電磁離合器勵磁電流的功能，從而調(diào)節(jié)執(zhí)行機構(gòu)滑差電機的轉(zhuǎn)速，使輸送皮帶上的物料流量盡可能穩(wěn)定在設(shè)定值附近，并具有良好的靜態(tài)指標和動態(tài)性能。自動稱重配料系統(tǒng)廣泛應(yīng)用于工農(nóng)業(yè)生產(chǎn)和社會生活的各個領(lǐng)域。尤其是冶金、煤炭、化工、水泥等行業(yè)中，常常需要對散料進行皮帶輸送過程中的動態(tài)連續(xù)稱量，而且要對輸送中的流量進行調(diào)節(jié)、控制、達到準確的配比。配料質(zhì)量控制的優(yōu)劣直接關(guān)系著企業(yè)生產(chǎn)能否順利進行。如果配制的質(zhì)量達不到要求，輕則造成原料、能源的浪費，重則影響產(chǎn)品的質(zhì)量和生產(chǎn)率，并且有些重要生產(chǎn)崗位的配料失誤甚至會給整個生產(chǎn)釀成事故。因此，配料精度的高低和配

47、料速度的快慢制約著整個生產(chǎn)的產(chǎn)品質(zhì)量和產(chǎn)量，因此應(yīng)對配料過程的質(zhì)量和產(chǎn)量控制給予足夠重視。電子稱自動配料系統(tǒng)可以按照設(shè)定配比和流量控制各輸入物料的瞬時流量，從而達到控制各種產(chǎn)品的質(zhì)量和產(chǎn)量的目的，是實現(xiàn)生產(chǎn)過程自動化和智能化、企業(yè)的科學管理、安全穩(wěn)定生產(chǎn)和節(jié)能降耗的重要技術(shù)手段。微機配料控制系統(tǒng)在生產(chǎn)中的應(yīng)用不僅可以提高配料質(zhì)量和產(chǎn)量，也大大減輕了崗位工人的勞動強度，提高了生產(chǎn)效率。由于該系統(tǒng)的兩條生產(chǎn)線相同，因此以七臺皮帶稱組成的配料系統(tǒng)為例。本系統(tǒng)主要由配料電子稱，儀表控制柜，變頻器柜，工業(yè)控制微型計算機，及監(jiān)控管理軟件幾部分組成。1）： 配料電子稱配料電子皮帶稱對經(jīng)過皮帶的散裝物料進行自

48、動的連續(xù)稱量和累計，具有運輸和計量兩種功能。稱重部分采用電阻應(yīng)變式工作原理，多托輥杠桿式結(jié)構(gòu)，實際工作時，皮帶稱采用恒速計量方式，通過調(diào)節(jié)上級給料速度來改變物料流量，本類型怕帶稱多用于企業(yè)內(nèi)部生產(chǎn)的工藝控制。2）： 儀表控制柜儀表控制柜主要包括七臺皮帶稱儀表，每臺皮帶稱儀表接受來自稱重傳感器的重量毫伏信號和來自測速傳感器的帶速脈沖信號，計算出流量和累計量。并將流量信號以420毫安模擬電流的形式送給工控機，工控機將流量信號與機內(nèi)設(shè)定值比較后，根據(jù)一定的控制規(guī)則輸出420毫安調(diào)節(jié)信號，控制現(xiàn)場給料機的轉(zhuǎn)速，從而構(gòu)成單機閉環(huán)系統(tǒng)，達到控制某種物料流量的目的。3）：變頻器柜 柜中的變頻器，接受來自動力控制柜的開關(guān)信號控制上級給料電機的啟停，同時亦接受來自工控機的4-20毫安調(diào)節(jié)信號，來改變輸出動力電源的頻率，從而控制現(xiàn)場7臺給料機的轉(zhuǎn)速。如果變頻器功率較大，則必須在柜體中配置散熱風