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FJ-I型粉体喂料计量系统

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FJ-I转子秤系统,是我公司在消化吸收国外同类产品先进技术的基础上,针对煤粉流动性变化大、出料口有较高正压的特殊工况,专为烧成系统的窑头、窑尾煤粉计量而研制、开发的一种原理先进、结构紧凑、占地面积小、喂料计量精确、密封可靠、易于维护的新一代高精度煤粉喂料计量设备。FJ-I型转子秤系统由四层预给料机、环状天平、送料FK泵和自动控制系统四部分组成,其主要特点:

1、四层预给料机能保证煤粉喂料的连续、稳定、均匀,杜绝堵料和涌料现象

2、高精度环状天平作为计量装置,计量准确、运行可靠,气流、落料冲击力等外界影响因素不会引进秤体零点漂移

3、采用我公司专利型FK螺旋输送泵,其变距螺旋形成的动态料封与出料止回阀构成锁风双保险,可以在较高的送料气体压力下有效送料并可靠锁风,防止气体窜入计量秤,以保证转子秤系统的喂料计量精度

4、一流的控制系统:汇聚我公司近二十年计量控制经验,与西门子合作开发的转子秤软硬件控制系统先进可靠,专家级前馈控制技术,调节灵敏、反应迅速、功能齐全、使用方便

5、高档的进口驱动配置:转子秤和喂料机选用ABB电机和德国弗兰德减速机,运转平稳无振动,确保转子秤的计量精度和长期稳定可靠运行

6、结构紧凑、密封性好,可方便地安装在煤粉仓下

7、主要技术指标

● 动态累计误差:≤±0.5%

● 控制精度:≤±0.5%

● 输入输出信号:DC 4~20mA

● 额定给料量:1.0m³/h~60m³/h

 

The FJ-1 rotor welgh feeder system Is a new generation of coal powder feed measuring equlpment deslgned and manufactured by our company for the speclal purpose of measuring the coal powder in the cooler and the pre heater of the burning system. Drawing on the advanced technologies of the similar overseas products while poying speclal ottention to the particular working conditions of the rapld flow abllity of coal powder and the relatively high positve pressure ot the draln hole, our company developed this new system featured by Its advanced theory,compact structure, smaller space occupation, accurate feed measuring, alrproof quallity and easy malntenance.

FJI1 rotor weigh feeder system Is composed of four parts, namely. a four-layer feed machine. an Annular Balance Welgher。a FK feed pump and an auto-contol system. Its main features are:

1、The four-layer feed machine ensures the continuance, stabllation and uniformity of the feed of coal powder and provents them from gotting together in to block or turn into flushing.

2. The high precision Annular Balance Welgher as the measuring equipment ensures the accuracy of measurement and the llty of operation. There will not be zer0 drilt error of the welghing instument caused by environment factors like alr current or blank Impact force.

3. The FK sCrew pump。patent of our company, with Its varlable pltch screw. creates a double Insurance of sldlng composed of seal in motion and blow down check valve. This enables an effectfive feed process under relatively high alr pressure and at the same time ensures rellable alr locking. guaranteeing the preclsion of feed measuring by proventing the alr from intruding into the rotor woelgh.

4. First-class control system

The system is a dsltlation of the measurlng control experlences of our company In the past twenty years. The software and hardware contol system of rotor welgh feeder, co-developed with the Slemens, are merited by its sound quallty and ellabillty, The expert feed-torward control technologles are eficient In regulation, quick In response, complete In function and convenient in use.

5. Top-grade imported driver settings The rotor welgh and feeder are generated and operated by the ABB power machine and balanced by the German Flender to ensure a smooth and steady operation, thus guarantee the preclslon of measuring and the long-term rellable functioning of the system.

6. The compact structure and advanced alr-proof quallty made It posslble and convenient to Install the system under the coalbunker.

7. Main technical indications:

● Dynamlc accumulation error:≤+0.5%

● Control accuracy:≤+0.5%

● Input and output Slignals: DC 4~ 20mA

● i Specilied feeding amount: 1.0m/h~60 m/h

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外形尺寸

系统参数表

型号
Type
流量
(m³/h)
外形尺寸 M型螺旋泵   重量
H H1 H2 H3 H4 L1 L2 L3 L4 L5 L6 型号 h (kg)
FJ-I-5 1~6 2700 560 ≈2000 950 1750 500 430 950 1400 1050 3100 M150 290 4500
FJ-I-15 2~15 2820 605 ≈2000 1000 1820 550 450 1000 1400 1100 3490 M200 320 4800
FJ-I-20 2~20 2980 605 ≈2000 1041 1940 600 470 1005 1400 1150 3490 M200 320 5100
FJ-I-30 3~30 3200 605 ≈2000 1100 2100 650 490 1100 1500 1200 3490 M200 320 6000
FJ-I-60 6~60 3500 605 ≈2000 1200 2300 750 520 1300 1500 1400 3490 M200 320 8300

 

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