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洛阳松导感应加热科技有限公司 

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厂址:河南省洛阳市洛新工业园区

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  • 梯形铝锭在线提温设备

    0.2T中频定点浇注炉

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    一、项目内容:

       Ф219—Ф820钢管内、外环氧喷涂防腐生产线

    二、设计依据:

    钢管直径:Ф219—Ф820

    涂层厚度:300-500μ

    钢管长度:8000

    工艺速度:3000/min6000/min

    三、管道传送架

    根据用户要求,我公司Ф219—Ф820钢管内、外环氧喷涂防腐生产线设计为以单轮为动力单元的传送线,这样使管道运行速度更加平稳。

    传送架底座采用国标18#槽钢、18#方钢和 12㎜厚钢板焊接。此生产线传送架的规格为1800㎜×8000㎜×6个(每个架装6组轮胎)。1600㎜×800㎜×10个,(其中一个装高温轮,一个加装动力)。传送轮型号为600-9充气轮胎,动力采用变频控制。传动轮底座用4个螺钉固定在一致的调节轨道上,方便大小管间距的调节。

    为了方便两端焊有法兰的管做内外环氧喷涂防腐,在喷涂线上每一对传动轮都装有升降装置。当钢管两头法兰(前后一样)行走到接近下组传动轮时,使接近开关动作,带动气缸的电磁阀动作,气缸就动作,传动轮就自动下降,经过延时法兰经过的时间后,传动轮架自动升起,每组轮都是这样,直到完成整个工序。             

    四、除锈机:

    本机是在引进美国、意大利的先进技术的基础上,采用现代计算机模拟技术,研制开发的一种新型钢管外壁理设备,可去除钢管表面的锈和氧化皮,完全达到钢管外壁涂履前的清理要求,可满足小、中型工程钢管外壁清理需要。它具有以下优点:

    1、采用大抛丸量、高抛射速度的国际上第五代悬臂离心式抛丸器,显著地提高了清理效率,获得满意的清理质量,属专利产品。

    2、该设备是根据国内外先进技术重新设计而研制成功的,具有生产率高、操作方便、体积小的特点,属国内首创。

    五、中频加热系统:

    此生产线配置350KW800KW共二台中频加热设备。

    350KW用于除锈机前,除去钢管表面水分,提高除锈效果。800KW用于外环氧粉末喷涂加热。

    控制部分采用专门设计的控制线路,具有过压、过流、限 /限流、缺相、欠压、欠水压等保护。

    控制线路专设集成箱与高压区全隔离,保持控制室清洁,冷却。大大提高控制线路板寿命和系统可靠性。

    350kw参数:

    名    称

    参  数

    名   称

    参    数

    输入电压

    380V

    输出最高电压

    780V

    输入电流

    580A

    输出最大电流

    700A

    输入频率

    50HZ

    输 出 频 率

    500HZ800HZ

    800kw参数:

    名    称

    参  数

    名   称

    参    数

    输入电压

    380V

    输出最高电压

    780V

    输入电流

    1330A

    输出最大电流

    1600A

    输入频率

    50HZ

    输 出 频 率

    500HZ800HZ

     

    六、喷粉系统:

    18枪控制中心。       DK型        2套                                

    以上装置每套含自动喷枪8支,喷枪为内置高压,控制柜控制8支自动喷枪的电压、电流及气路系统。并控制8支文丘里供粉泵供粉系统。

    以上装置每套含流化床供粉系统1,流化床外形尺寸:(L×W×H)800×775×570(mm)8支文丘里供粉泵。

    七、水冷却室:

      采用塑钢封闭,美观大方,便于观察。全部做成活动窗,调整时方便进入。水泵采用每小时100立方二台(一台备用)。冷却水管调节阀门装在操作柜一侧,便于调节。

    八、 空压机及拨管机构:

    本生产线配备一台10立方螺杆式空压机,一台10立方空气干燥机,1.5立方储气罐一台供喷粉设备用,但气量有富余,所以把拨管系统改为气缸,节省了液压站及液压油的投资和每年换液压油的费用。维修也干净、方便。共需要8个拨叉及气缸,2个举升机气缸。

    九、二次除锈机:

         二次除锈采用钢丝轮除锈及压缩空气吹扫,保证钢管外壁清洁度达到要求,提高环氧粉末的附着力。

    十一、 放管平台

           上管、下管、过渡平台均采用20#国标工字钢焊接,保证了平台的坚固性。三个平台总长30米(视现场情况定)。

    十二、  内环氧粉末涂装设备:

    喷涂作业中,工件上件后,把内喷枪插入钢管内直至喷室入口位置,斜轮旋转使工件自转并水平前进,经过中频加热到200℃左右并到达喷室口位置以后,内、外喷枪开始对工件进行喷涂,利用工件热量使粉末固化。工件走出喷室大约1.5-2分钟时进入淋水冷却工位,冷却后经斜轮传送到下件平台位置下件。在工件喷涂完毕之后,内喷枪后退约14m的距离,继续上件重复工作。外喷涂过程中产生的过剩粉末进入回收系统重复使用,回收采用旋风+封盖式滤芯回收装置,回收风机选用4-72-4#/5.5KW。回收为二级回收,旋风收集绝大多数粉末,少量粉末进入滤芯回收,既减轻滤芯负载,又保证了排放环境。

    十三、制造及安装工期

      制作工期为合同生效之日起70天制作完毕,安装工期30天(安装条件具备)。

     

    Inner and outer epoxy powder coating Ф 219 —Ф 820 pipeline anti-corrosion production line

    Epoxy resin anti-corrosion production line 

    1, the project content:

    Ф 219 —Ф 820 inner and outer epoxy spray anti-corrosion production line

    2, the design basis:

    Steel pipe diameter: Ф 219 —Ф 820

    Coating thickness: 300-500 μ

    Steel pipe length: 8000 mm

    Process speed: 3000 mm / min - 6000 mm / min

    3, the pipeline conveyor

    According to the user's requirements, our company's 219 219 —Ф 820 steel inner and outer epoxy spray anti-corrosion production line is designed as a transmission line with a single wheel as the power unit, which makes the pipeline run more smoothly.

    The base of the conveyor is welded with the national standard 18 # channel steel, 18 # square steel and 12 mm thick steel plate. The specification of this line conveyor is 1800 mm × 8000 mm × 6 ( 6 sets of tires per rack ). 1600 mm × 800 mm × 10 (one with a high temperature wheel and one with a power supply). The transmission wheel model is a 600-9 pneumatic tire, and the power is controlled by frequency conversion. The base of the transmission wheel is fixed on the uniform adjustment rail with 4 screws to facilitate the adjustment of the size of the tube.

    In order to facilitate the pipe flange welded at each end to make the inner and outer anti-corrosion epoxy coating, each pair of drive wheels are equipped with the lifting device in the coating line. When the two flanges of the steel pipe (the same front and rear) travel to the lower set of transmission wheels, the proximity switch is actuated to drive the solenoid valve of the cylinder to operate, the cylinder acts, and the transmission wheel automatically descends. After the elapse of the time delay flange, The drive wheel frame is automatically raised, and each set of wheels is like this until the entire process is completed.

    4, the descaling machine:

    Based on the introduction of advanced technology from the United States and Italy, this machine adopts modern computer simulation technology to develop a new type of steel pipe outer wall treatment equipment, which can remove the rust and scale on the surface of the steel pipe and fully meet the cleaning requirements before the outer wall coating of the steel pipe. It can meet the needs of cleaning the outer wall of small and medium-sized engineering steel pipes. It has the following advantages:

    1. The fifth-generation cantilever centrifugal blasting machine with large shot blasting and high throwing speed has significantly improved the cleaning efficiency and obtained satisfactory cleaning quality. It is a patented product.

    2. The equipment has been successfully developed according to the redesign of advanced technology at home and abroad. It has the characteristics of high productivity, convenient operation and small volume, and is the first in China.

    5, medium frequency heating system:

    This production line is equipped with two intermediate frequency heating devices of 350KW and 800KW .

    Before the 350KW is used in the descaling machine, the surface moisture of the steel pipe is removed to improve the descaling effect. 800KW is used for external epoxy powder coating heating.

    The control part adopts a specially designed control circuit with over-voltage, over-current, voltage limiting / current limiting, phase loss, under-voltage, under water pressure and other protections.

    The control line dedicated integrated box is completely isolated from the high pressure area to keep the control room clean and cool. Greatly improve control board life and system reliability.

    350kw parameters:

    Name

    Parameter

    Name

    Parameter

    Input voltage

    380V

    Output maximum voltage

    780V

    Input Current

    580A

    Output maximum current

    700A

    Input frequency

    50HZ

    Output frequency

    500HZ ~ 800HZ

    800kw parameters:

    Name

    Parameter

    Name

    Parameter

    Input voltage

    380V

    Output maximum voltage

    780V

    Input Current

    1330A

    Output maximum current

    1600A

    Input frequency

    50HZ

    Output frequency

    500HZ ~ 800HZ

     

    6, dusting system:

    8 gun control center. DK type 2 sets

    Each apparatus having the above automatic gun 8, a high-pressure spray gun is built, control cabinet 8 controls automatic spray gun voltage, current and gas system. And control 8 venturi powder pump powder supply system.

    Each apparatus above the fluidized bed containing the powder supply system 1 set, bed dimensions: 8 Venturi toner supply pump (L × W × H) 800 × 775 × 570 (mm) containing.

    7, water cooling room:

    It is closed with plastic steel and is beautiful and easy to observe. All are made into active windows, which are easy to access when adjusting. The pump uses two units of 100 cubic meters per hour (one spare). The cooling water pipe regulating valve is installed on the side of the operation cabinet for easy adjustment.

    8, air compressor and pipe mechanism:

    The production line is equipped with a 10- cube screw air compressor, a 10- cubic air dryer, and a 1.5- cubic gas storage tank for the powder spraying equipment, but the gas volume is surplus, so the pipe system is changed to the cylinder, saving Investment in hydraulic stations and hydraulic oil and the cost of changing hydraulic oil every year. Maintenance is also clean and convenient. A total of 8 forks and cylinders and 2 lift cylinders are required.

    9, secondary descaling machine:

    The secondary descaling adopts the wire wheel derusting and compressed air purging to ensure the cleanliness of the outer wall of the steel pipe meets the requirements and improve the adhesion of the epoxy powder.

    10. Pipeline platform

    The upper tube, the lower tube and the transition platform are all welded with 20# national standard I-beam, which ensures the robustness of the platform. The total length of the three platforms is 30 meters (depending on the site).

    11. Internal epoxy powder coating equipment:

    In the spraying operation, after the upper part of the workpiece, the inner spray gun is inserted into the steel pipe until the entrance position of the spray chamber, and the inclined wheel rotates to make the workpiece rotate and advance horizontally. After the intermediate frequency is heated to about 200 °C and reaches the position of the spray chamber, the inner and outer spray guns are sprayed. The workpiece is sprayed and the heat is applied to solidify the powder. When the workpiece exits the spray chamber for about 1.5-2 minutes, it enters the water cooling station, and after cooling, it is transported to the lower part of the lower platform by the inclined wheel. After the workpiece is sprayed, the inner spray gun retreats by about 14m , and the upper part repeats the work. The excess powder generated during the external spraying process is reused in the recovery system, and the cyclone + capped filter recovery device is used for recycling. The recovery fan is 4-72-4#/5.5KW . The recycling is secondary recovery, the cyclone collects most of the powder, and a small amount of powder enters the filter recovery, which not only reduces the filter load, but also ensures the discharge environment.

    12. Manufacturing and installation schedule

    Production duration of the effective date of the contract within 7 0 days production is completed, the installation period 30 days (installation conditions are met).


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