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粉煤灰细度检测仪

环保水泥细度负压筛析是专业水泥细度检测仪器,采用电机驱动负压,具结构简单,操作方便,降低能耗等优点。

  • 型号:FYS-150C

  • 产品参数
  • 型号:FYS-150C


 

一,粉煤灰细度检测仪产品简介:
环保水泥细度负压筛析是专业水泥细度检测仪器,采用电机驱动负压,具结构简单,操作方便,降低能耗等优点
First, the product introduction:
Environmentally friendly cement fineness negative pressure screening is a professional cement fineness measuring instrument, which adopts motor driven negative pressure, has the advantages of simple structure, convenient operation and low energy consumption. According to GB/T1345—2005 “Cement fineness inspection method (80um sieve) Screening method) The special instrument for inspection is an indispensable instrument for laboratory and cement professional research units.

二,粉煤灰细度检测仪技术参数:
★筛析测试细度:80um(可选配45um负压筛)
★筛析自控时间:2min
★工作负压可调:4000-6000pa
★工作电压:220V2
★喷气嘴转速:30±2rpm
★电源:AC220V
★整机功率:900w
★外形尺寸:500x300x780mm
★净重:30kg
Second, technical parameters:
★ Screening test fineness: 80um (optional 45um negative pressure screen)
★Separation and self-control time: 2min
★Working negative pressure adjustable: 4000-6000pa
★Working voltage: 220V2
★Air nozzle speed: 30±2rpm
★Power: AC220V
★ Machine power: 900w
★Dimensions: 500x300x780mm
★Net weight: 30kg


三,粉煤灰细度检测仪试验步骤:
★筛析试验前,调节数显式时间继电器,使其设定在120s,再把负压筛放在筛座上,盖上筛盖,打开电源,调节负压至-4000~-6000pa范围内,然后关机。
★称取试样25g,置于洁净的负压筛中,盖上筛盖,再次启动仪器,连续筛析,在此期间如有试样附着在筛盖上,可轻敲筛盖使试样落下,当筛析满120s后,仪器自动停止。
★筛毕,用天平秤重筛余物。
水泥负压筛析仪试验结果计算
水泥试样筛余百分数按下式计算:
F=
式中:F-水泥试样筛余百分数(%)
      ms—水泥筛余物的质量(g)
      m—水泥试样的质量(g)
      计算结果精确到0.1%
Third, the test steps:
★ Before screening test, adjust the digital display time relay to set it at 120s, then place the negative pressure screen on the sieve seat, cover the screen cover, turn on the power supply, and adjust the negative pressure to -4000~-6000pa. And then shut down.
★ Weigh 25g of sample, place it in a clean negative pressure screen, cover the screen cover, start the instrument again, and continuously sieve it. During this period, if the sample is attached to the screen cover, tap the sieve cover to make the sample. Drop, the instrument automatically stops when the sieve is over 120s.
★ After screening, re-screen the residue with a balance scale.
Calculation of test results of cement negative pressure sieve analyzer
The cement sample sieve percentage is calculated by the following formula:
F=
Where: F-cement sample sieve residue percentage (%)
Ms—quality of cement sieve residue (g)
M—quality of cement sample (g)
The calculation result is accurate to 0.1%

六,粉煤灰细度检测仪注意事项:
1、定期倒掉集尘瓶中的水泥。
2、如果使用一段时间后负压达不到国标要求(-4000~-6000pa)时,请清洁吸尘器中的收尘袋。
3、吸尘器连续工作不应超过15分钟,否则易过热烧坏。
4、水泥细度负压筛析仪试验筛的清洗试验筛必须经常保持洁净,筛孔通畅。如其筛孔被水泥堵塞影响筛余量时,可用弱酸浸泡,用毛刷轻轻地刷洗,用淡水冲净、晾干。
5、筛余结果的修正为使试验结果可比,应采用试验筛修正数方法修正7.1条的计算结果。修正系数的测定,按附录B(补充件)进行。
6、负压筛法与水筛法或手工干筛法测定的结果发生争议时,以负压筛法为准。附录A手工干筛试验操作方法(补充件) A1称取水泥试样50g倒入符合GB3350.7要求的干筛内。 A2用一只手执筛往复摇动,另一只手轻轻拍打,拍打速度每分钟约120次,每40次向同一方向转动60°,使试样均匀分布在筛网上,直至每分钟通过的试样量不超过0.05g为止。 A3称量筛余物,按7.1条计算试验结果。
Six, note:
1. Periodically pour off the cement in the dust collection bottle.
2. If the negative pressure does not meet the national standard requirement (-4000~-6000pa) after using for a period of time, please clean the dust bag in the vacuum cleaner.
3. The vacuum cleaner should not work continuously for more than 15 minutes, otherwise it will easily overheat and burn out.
4, cement fineness negative pressure sieve analyzer test sieve cleaning test sieve must always keep clean, the screen hole is smooth. If the sieve hole is blocked by cement and affects the amount of sieve residue, it can be soaked with weak acid, gently brushed with a brush, rinsed with fresh water and dried.
5. The correction of the screening result is to make the test result comparable, and the calculation result of 7.1 should be corrected by the test sieve correction method. The correction factor is determined in accordance with Appendix B (Supplementary).
6. When the results of the negative pressure screening method and the water sieve method or the manual dry sieve method are disputed, the negative pressure sieve method shall prevail. Appendix A Manual Dry Screen Test Operation Method (Supplement) A1 Weigh 50g of cement sample into the dry sieve that meets the requirements of GB3350.7. A2 uses one hand to perform the screen reciprocating shaking, the other hand taps gently, the tapping speed is about 120 times per minute, and the rotation is 60° in the same direction every 40 times, so that the sample is evenly distributed on the screen until the test passes every minute. The sample amount does not exceed 0.05g. A3 Weigh the sieve residue and calculate the test results according to 7.1.





粉煤灰细度检测仪

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