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无碳复写纸定点水分在线式智能检测系统




系统介绍

纸张水分含量对印刷影响很大,水分太低,纸质发脆,印刷中易产生静电;含量过高,将会使油墨难以干燥。水分变化对纸的各种特性影响也很大,随着水分的变化,其定量、抗张强度、柔韧性、耐折度等都将发生变化,纸张尺寸也会发生伸缩,甚至发生卷曲、翘边、起皱、荷叶边等现象。各种纸张都有一个最佳水分含量值,在此值下,纸张的各种性能都处于较好状态,铸涂纸、铸涂白纸板最佳水分含量为7%±2%,白卡纸为4%-7%,单面涂布白纸板为8%±2%。这是纸张出厂时的最皆水分含量。

  Paper moisture content has a great influence on the printing paper, the water is too low, the crisp, easy to produce electrostatic printing; content is too high, will make the ink to dry. Moisture effects on various properties of paper is very big also, with the water changes, the quantitative, tensile strength, flexibility, folding and so on will change the paper size will flex and even curling, curling and puckering, lotus leaf edge phenomenon. All kinds of paper has an optimum moisture content values, the values of various properties of paper, are in a good state, cast coated paper, cast coated paperboard optimum moisture content was 7% + 2% 4%-7%, white paperboard, one side coated white board is 8% + 2%. This is the paper factory is the moisture content.


  GFKJ5200水分仪测量系统是智能化红外水分检测系统,它广泛应用于造纸、涂布、无碳复写纸等在线水分的非接触式的连续测量,为造纸企业生产过程的自动化提供重要条件。

  The measurement system of GFKJ5200 moisture meter is an intelligent infrared moisture measurement system, continuous non-contact measurement is widely used in papermaking, coating, carbonless copy paper and other online moisture, provides an important condition for the automation of the production process of papermaking enterprises.


  水分仪的控制核心采用PLC,面板采用触摸屏的操作方式,在应用中比以前的更加可靠,操作简单易用。在屏幕上能直接显示出水分值、含水率、水分的趋势曲线图等现场操作必须掌握的数据。

  The control of the core moisture instrument using PLC panel with touch screen operation, in application than the previous more reliable, easy to use. Can directly display the water value, moisture content, moisture trend curves of field operation must master the data on the screen.


  水分仪可单独使用,完成上述测量功能,也可与β射线定量仪配套使用(它们的外型及安装尺寸基本相同),组成造纸行业中广泛应用的定量水份仪,简称B/M计。

  Moisture meter can be used alone, the completion of the measurement function, and can also support the use of beta ray quantitative instrument (appearance and installation size of them is basically the same), composed of quantitative moisture meter is widely used in paper making industry, referred to as B / M.


  在现场使用时,本仪器的传感器安装在“O型”扫描架(特别是宽纸幅的情况)或“C型”扫描架(纸幅小于2.5米时)上进行横向扫描测量、寻点测量或定点测量。

  In the field application, the sensor of the instrument is installed in the "O" type scanning frame (especially the wide web) or "C" type scanning frame (the paper is less than 2.5 meters) on the horizontal scanning, searching point measurement or measurement.


性能指标

1、测量范围:(纸页定量:   20-120 g/m2  纸页含水率:1-20 %)

Measuring range: 1, (pages: 20-120 quantitative g / m2 aqueous page rate: 1-20%)

2、精度Q:定量≤100 g/m2时,含水率≤ 8%时,Q ≤ ±0.5%

      定量>100g/m2时,  含水率≤ 8%时,Q ≤ ±1%

2, the accuracy of quantitative Q: less than 100 g/m2, moisture content is less than 8%, Q less than 0.5%
               Quantitative >100g/m2, moisture content is less than 8%, Q less than 1%

3、稳定性:连续工作8小时,漂移不超过精度Q.

3, the stability: 8 hours of continuous work, shift is less than the precision of Q.

4、时间常数:t≤1秒

4, the time constant: T = 1

5、工作条件:

5, the working conditions:

电    源:  AC  220±10%;50±1Hz;

Power source: AC 220 + 10% and 50 + 1Hz;

环境温度:传感器5一50℃,主机5一40℃;

Ambient temperature sensor: 5 a 50 C 5 a 40 C, the host;

探头水冷:冷却水温度低于30℃,流量不少于0.5升/分;或用经过 滤的干净气体,压力0.2-0.4 MPa

Probe cooling: cooling water temperature lower than 30 DEG C, flow rate of not less than 0.5 liters / minute; or the clean gas filtration pressure MPa, 0.2-0.4

接    地:传感器外壳与电网地线可靠连接,主机电路地线必须配备专用地桩,不得与其他仪表地串、并联后接地。

Ground: the outer shell of the sensor and the grid grounding reliable connection circuit ground host must be equipped with special pile, with any other instrument series and parallel to ground.

6、外形尺寸(mm)

6, size (mm)

上探头:  220×l70×220;      下探头:  220×l70×l20;

Probe: 220 * L70 * 220; probe: 220 * L70 * l20;




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