欢迎进入上海乐鱼制冷设备有限公司!
联系我们
风冷螺杆系列冷水机组， 风冷螺杆式冷水机组，风冷螺杆冷水机组，风冷冷水机组，风冷式冷水机组，风冷冷水机组原理
风冷螺杆系列冷水机组， 风冷螺杆式冷水机组，风冷螺杆冷水机组，风冷冷水机组，风冷式冷水机组，风冷冷水机组原理
首页>产品展示> 风冷螺杆冷(热)水机组>风冷螺杆系列冷水机组
工业制冷 冷水机 冷水机组 工业冷水机 螺杆式冷水机 风冷式冷水机
  • 电 话：4006769702 / 021-57406072
  • 传 真：021-57406122
  • 服务热线：400-676-9702
  • 地 址：上海市奉贤区邬桥工业园区汇安路12号
风冷螺杆系列冷水机组
  • 机组采用高效换热器与先进、特殊的外形结构设计及系统。机组可直接安装于屋顶或室外其他通风条件好的地方，无需另设机房，可节省建筑空间。外形精巧、美观，机组采用“W”型盘管设计，空间利用率高，机组外形尺寸小，以适应户外恶劣气候条件，确保机组在使用寿命周期内具有良好的运行效果。
  • 风冷螺杆系列冷水机组， 风冷螺杆式冷水机组，风冷螺杆冷水机组，风冷冷水机组，风冷式冷水机组，风冷冷水机组原理

  • 描述

  • 风冷螺杆冷水机组.jpg

    冷水机组部件示意图

    冷水机组部件示意图


    制冷量：100KW～2000KW

    出水温度：7℃～-15℃

    环境温度范围：21℃～43℃


    产品选项

    1.盐水蒸发器

    2.无级能量调节

    3.全热回收/部分热回收

    4.水泵控制

    5.特殊电压

    6.远程通讯接口


    产品特征

    1.采用国际知名品牌双螺杆压缩机，享有高效、低噪、低磨耗和使用寿命长等特点。

    2.采用4段式能量调节或0%-100%无段式自动调节。

    3.采用德国西门子PLC可编程控制器，液晶触摸屏，中英文人机界面。

    4.完备的故障保护：高低压保护、排气保护、油位保护、水流保护、逆缺项保护、冷冻水防冻保护、冷却水过高保护等等。


    产品规格

    制冷剂类型：R22/R407C

    蒸发器较大水压：1.0MPa

    蒸发器：水侧污垢系数0.018m2·℃/KW

    电源制式：380V/3相/50Hz

    允许电压波动：±5%

    允许频率波动：±2%


    机组采用高效换热器与先进、特殊的外形结构设计及系统。机组可直接安装于屋顶或室外其他通风条件好的地方，无需另设机房，可节省建筑空间。外形精巧、美观，机组采用“W”型盘管设计，空间利用率高，机组外形尺寸小，以适应户外恶劣气候条件，确保机组在使用寿命周期内具有良好的运行效果。


    可选用环保型R407C、R134A或R410A冷媒等。

    由于技术改进，外形尺寸很可能有所变更，外形尺寸仅供参考，敬请随时索取安装尺寸图。


    风冷螺杆式冷（热）水机组技术参数（单压缩机）

    制冷工况：冷冻水进／出水温度12℃／7℃；环境干球湿度35℃。

    制热工况：热水出水温度45℃，环境干球温度7℃，环境湿球温度6℃。


    单压缩机1


    SA-
    机型   Type85S115S150S160S200S220S255S270S300S320S
    名义制冷量
        Nominal cooling capacity    		kW85.0115.0150.0160.0200.0220.0255.0270.0300.0320.0
    104kcal/h7.39.912.913.817.218.921.923.225.827.5
    名义制热量
        Nominal heating capacity    		kW95.0135.0170.0185.0230.0250.0290.0300.0330.0360.0
    104kcal/h8.211.614.615.919.821.524.925.828.431.0
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power30.840.950.359.670.676.785.088.599.8108.4
    整机运转电流(A)   Machine operating current58.577.795.5113.2134.1145.7161.4168.1189.5206.0
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    制冷功率(kW) Refrigeration power27.536.545.550.061.066.575.078.586.594.5
    制冷电流(A) Refrigeration current46.561.077.084.5103.0112.0126.0132.5146.0159.0
    制热功率(kW) Heating power 26.535.043.548.058.563.572.075.583.091.0
    制热电流(A) Heating current44.558.574.081.098.5107.0120.0127.0140.0152.0
    能量调节 Energy regulation0-33%-66%-100%0-25%-50%-75%-100%
    蒸发器Evaporator型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow14.619.825.827.534.437.843.846.451.555.0
    水压降(kPa) Water pressure drop45.045.045.048.048.048.050.050.050.050.0
    配管管径(mm) Interface sizeDN65DN80DN100
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 6886666688
    单台功率 Stand-alone power 0.60.60.61.61.61.71.71.71.71.7
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume17.023.030.032.040.045.052.055.060.065.0
    外形尺寸
        Overall dimensions    		长(mm)   Length2500295029503200350035003700370040004000
    宽(mm) Width1400140014002200220022002200220022002200
    高(mm) Height1925210022502150215022002250235021502250
    重量 weight机组略重(kg)   Machine weight1900200022002600285030003200350038003950
    运行略重(kg) Operating weight2200230025002900315033003500380041004250

    2

    SA-
    机型   Type350S420S445S490S525S545S635S700S745S840S
    名义制冷量
        Nominal cooling capacity    		kW350.0420.0445.0490.0525.0545.0635.0700.0745.0840.0
    104kcal/h30.136.138.342.145.246.954.660.264.172.2
    名义制热量
        Nominal heating capacity    		kW400.0470.0500.0550.0590.0610.0710.0780.0830.0940.0
    104kcal/h34.440.443.047.350.752.561.167.171.480.8
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power118.5139.0146.0158.0168.5175.5201.0223.5239.5265.0
    整机运转电流(A)   Machine operating current212.0248.5261.0282.5301.0314.0359.0400.0428.0473.0
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    制冷功率(kW) Refrigeration power105.0122.0129.0140.0150.5155.0179.0198.5211.0237.0
    制冷电流(A) Refrigeration current177.0205.5217.0235.0253.0261.0301.0334.0354.0398.5
    制热功率(kW) Heating power 101.0117.0123.5134.0144.0148.5171.5190.0202.0227.0
    制热电流(A) Heating current170.0197.0208.0225.0242.5250.0288.0320.0334.0382.0
    能量调节 Energy regulation0-25%-50%-75%-100%
    蒸发器Evaporator型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow60.172.276.584.290.293.6109.1120.3128.0144.3
    水压降(kPa) Water pressure drop52.055.055.058.060.060.062.070.075.080.0
    配管管径(mm) Interface sizeDN125DN150DN150
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 8101010101212121616
    单台功率 Stand-alone power 1.71.71.71.81.81.71.81.81.81.8
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume70.085.090.0100.0105.0110.0130.0140.0150.0170.0
    外形尺寸
        Overall dimensions    		长(mm)   Length4200450050005800580060006200650080008000
    宽(mm) Width2200220022002200220022002200220022002200
    高(mm) Height2250230023502350235023502450245023502450
    重量 weight机组略重(kg)   Machine weight4350455048505300550058006250655073507500
    运行略重(kg) Operating weight4650485051505600580061006550685076507800

    风冷螺杆式冷（热）水机组技术参数（双压缩机）


    制冷工况：冷冻水进／出水温度12℃／7℃；环境干球湿度35℃。

    制热工况：热水出水温度45℃，环境干球温度7℃，环境湿球温度6℃。

    1

    SA-
    机型   Type170D230D300D320D400D440D510D540D600D640D
    名义制冷量
        Nominal cooling capacity    		kW170.0230.0300.0320.0400.0440.0510.0540.0600.0640.0
    104kcal/h14.619.825.827.534.437.843.946.451.655.0
    名义制热量
        Nominal heating capacity    		kW190.0270.0340.0370.0460.0500.0580.0600.0660.0720.0
    104kcal/h16.323.229.231.839.643.049.951.656.861.9
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power61.681.8100.6119.2141.2153.4170.0177.0199.6216.8
    整机运转电流(A)   Machine operating current117.0155.4191.0226.4268.2291.4322.8336.2379.0412.0
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    制冷功率(kW) Refrigeration power55.073.091.0100.0122.0133.0150.0157.0173.0189.0
    制冷电流(A) Refrigeration current93.0122.0154.0169.0206.0224.0252.0265.0292.0318.0
    制热功率(kW) Heating power 53.070.087.096.0117.0127.0144.0151.0166.0182.0
    制热电流(A) Heating current89.0117.0148.0162.0197.0214.0240.0254.0280.0304.0
    能量调节 Energy regulation0-16.5%-33%-...100%0-12.5%-25%-37.5%-...100%
    蒸发器Evaporator型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow29.239.551.555.068.775.687.692.8103.1110.0
    水压降(kPa) Water pressure drop47.047.050.050.055.055.055.058.058.058.0
    配管管径(mm) Interface sizeDN80DN100DN125DN150
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 6688101010121212
    单台功率 Stand-alone power 1.21.21.21.21.71.71.71.71.81.8
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume34.046.060.064.080.090.0104.0110.0120.0130.0
    外形尺寸
        Overall dimensions    		长(mm)   Length3500350040004000450050005800600062006200
    宽(mm) Width2150220022002200220022002200220022002200
    高(mm) Height2200220021502250230023502350235024502550
    重量 weight机组略重(kg)   Machine weight2800300039004250465049505600595062506450
    运行略重(kg) Operating weight3100330042004550495052505900625065506750

    2

    SA-
    机型   Type700D840D890D980D1050D1090D1270D1400D1490D1680D
    名义制冷量
        Nominal cooling capacity    		kW700.0840.0890.0980.01050.01090.01270.01400.01490.01680.0
    104kcal/h60.272.276.584.390.393.7109.2120.4128.1144.5
    名义制热量
        Nominal heating capacity    		kW800.0940.01000.01100.01180.01220.01420.01560.01660.01880.0
    104kcal/h68.880.886.094.6101.5104.9122.1134.2142.8161.7
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power237.0278.0292.0316.0337.0351.0402.0447.0479.0530.0
    整机运转电流(A)   Machine operating current424.0497.0522.0565.0602.0628.0718.0800.0856.0946.0
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    制冷功率(kW) Refrigeration power210.0244.0258.0280.0301.0310.0358.0397.0422.0474.0
    制冷电流(A) Refrigeration current354.0411.0434.0470.0506.0522.0602.0668.0708.0797.0
    制热功率(kW) Heating power 202.0234.0247.0268.0288.0297.0343.0380.0404.0454.0
    制热电流(A) Heating current340.0394.0416.0450.0485.0500.0576.0640.0668.0764.0
    能量调节 Energy regulation0-12.5%-25%-37.5%-...100%

    		型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow120.3144.3152.9168.4180.4187.3218.2240.5256.0288.7
    水压降(kPa) Water pressure drop52.055.055.058.060.060.062.070.075.080.0
    配管管径(mm) Interface sizeDN150DN200DN250
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 12161620202424243232
    单台功率 Stand-alone power 1.81.81.81.81.81.71.81.81.81.8
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume140.0170.0180.0200.0210.0220.0260.0280.0300.0340.0
    外形尺寸
        Overall dimensions    		长(mm)   Length65008000800012000120001450014500152001600016000
    宽(mm) Width2200220022002200220022002200220022002200
    高(mm) Height2450245024502350235023502450230023502450
    重量 weight机组略重(kg)   Machine weight67507650795011000125001300014500155001590016200
    运行略重(kg) Operating weight70507950825011300128001330014800158001620016500


    风冷螺杆式低温机组技术参数（单压缩机）-5℃


    制冷工况：冷冻水进／出水温度0℃／-5℃；环境干球湿度35℃。

    温度条件：冷冻水出水温度范围-7℃～5℃。

    机组冷冻侧采用25%乙二醇或20%氯化钙防冻液


    SA-
    机型   Type50SX65SX90SX95SX115SX130SX150SX160SX175SX190SX
    名义制冷量
        Nominal cooling capacity    		kW48.966.988.195.9116.9128.4151.7160.3175.4189.8
    104kcal/h4.25.87.68.310.111.113.113.815.116.3
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power27.736.546.752.064.669.477.681.188.295.7
    整机运转电流(A)   Machine operating current47.462.580.189.5111.7119.6133.5139.4151.4164.4
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    输入功率(kW)
        Refrigeration input power    		25.032.941.345.355.160.067.671.178.285.3
    额定电流(A) Rated Current42.055.369.476.192.6100.9113.6119.5131.5143.5
    能量调节 Energy regulation0-33%-66%-100%0-25%-50%-75%-100%
    蒸发器Evaporator型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow9.112.416.317.721.623.828.129.732.435.1
    水压降(kPa) Water pressure drop45.341.554.248.348.443.641.147.047.947.6
    配管管径(mm) Interface sizeDN50DN65DN80DN100
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 6883666666
    单台功率(kW) Stand-alone power 0.40.40.72.21.61.61.71.71.71.7
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume10.914.819.521.325.928.533.635.638.942.1
    外形尺寸
        Overall dimensions    		长(mm)   Length2500295031503450305030503550355035503550
    宽(mm) Width1400140015001200200020002200220022002200
    高(mm) Height1925210021502180195020502000205021502250
    重量 weight机组略重(kg)   Machine weight1900200024002700260026502800300031003350
    运行略重(kg) Operating weight2050230027003000290030003150335034503700


























    SA-
    机型   Type210SX245SX260SX290SX310SX325SX380SX415SX440SX500SX
    名义制冷量
        Nominal cooling capacity    		kW208.8248.8262.7287.8311.8323.9377.4414.2442.4498.7
    104kcal/h18.021.422.624.826.827.932.535.738.142.9
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power111.3124.1134.3147.9157.5161.9182.3211.8222.9246.6
    整机运转电流(A)   Machine operating current192.4213.1231.5255.7271.9279.2313.1366.5385.1424.9
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    输入功率(kW)
        Refrigeration input power    		94.9110.2116.4126.1135.7140.1161.4179.0190.1213.8
    额定电流(A) Rated Current159.6185.3195.7212.0228.2235.5271.3301.0319.6359.4
    能量调节 Energy regulation0-25%-50%-75%-100%
    蒸发器Evaporator型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow38.646.048.653.257.759.969.876.681.892.3
    水压降(kPa) Water pressure drop46.048.540.845.041.045.950.344.846.149.0
    配管管径(mm) Interface sizeDN100DN125DN150
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 68888812121212
    单台功率(kW) Stand-alone power 2.71.72.22.72.72.71.72.72.72.7
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume46.355.258.363.869.171.883.791.998.1110.6
    外形尺寸
        Overall dimensions    		长(mm)   Length3800465049505550555055506750675073507950
    宽(mm) Width2200220022002200220022002200220022002200
    高(mm) Height2300225023002250235023502350245024502450
    重量 weight机组略重(kg)   Machine weight3800440046005200470049005600590062006600
    运行略重(kg) Operating weight4100470049005600505042506000630066007000


    风冷螺杆式低温机组技术参数（双压缩机）-5℃


    制冷工况：冷冻水进／出水温度0℃／-5℃；环境干球湿度35℃。

    温度条件：冷冻水出水温度范围-7℃～5℃。

    机组冷冻侧采用25%乙二醇或20%氯化钙防冻液


    SA-
    机型   Type100DX130DX180DX190DX230DX260DX300DX320DX350DX380DX
    名义制冷量
        Nominal cooling capacity    		kW97.9133.9176.2191.8233.9256.8303.4320.6350.7379.6
    104kcal/h8.411.515.216.520.122.126.127.630.232.7
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power55.272.692.6100.6126.6141.8157.0162.1176.3197.5
    整机运转电流(A)   Machine operating current108.6138.0169.2184.2220.8239.2267.2280.4307.0333.6
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    输入功率(kW)
        Refrigeration input power    		50.065.882.690.6110.2120.0135.2142.2156.4170.6
    额定电流(A) Rated Current84.0110.6138.8152.2185.2201.8227.2239.0263.0287.0
    能量调节 Energy regulation0-16.5%-33%-...100%0-12.5%-25%-37.5%-...100%
    蒸发器Evaporator型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow18.124.832.635.543.347.556.159.364.970.2
    水压降(kPa) Water pressure drop45.341.554.248.348.443.641.147.047.947.6
    配管管径(mm) Interface sizeDN80DN100DN125DN150
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 6666688121212
    单台功率(kW) Stand-alone power 0.91.11.71.72.72.72.71.71.72.2
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume21.729.739.142.551.957.067.371.177.884.2
    外形尺寸
        Overall dimensions    		长(mm)   Length3150315035503550395048504850675067506750
    宽(mm) Width2000210022002200220020002200220022002200
    高(mm) Height1660190018502120230021502300201021502200
    重量 weight机组略重(kg)   Machine weight3800400048005400520053005600600062006700
    运行略重(kg) Operating weight4100460054006000580060006300670069007400


























    SA-
    机型   Type420DX490DX520DX580DX620DX650DX760DX830DX880DX1000DX
    名义制冷量
        Nominal cooling capacity    		kW417.7497.7525.5575.6623.6647.8754.7828.4884.8997.5
    104kcal/h36.042.845.249.553.755.865.071.376.285.9
    运行控制方式   Run controlPLC可编程控制器全自动控制   Use PLC microcomputer control
    电源   Power Supply380V/3N/50HZ
    启动类型   Startup typeY-△
    整机功率(kW)   Machine power222.6253.2268.6295.9315.1323.9364.6423.5445.7493.1
    整机运转电流(A)   Machine operating current369.2426.2449.2485.4593.4609.6685.1798.4639.8927.0
    压缩机Compressor型式   Type5:6非对称半封闭双螺杆压缩机   Semi-closed 5:6 asymmetric twin-screw compressor
    输入功率(kW)
        Refrigeration input power    		189.8220.4232.8252.2271.4280.2322.8358.0380.2427.6
    额定电流(A) Rated Current319.2370.6391.4424.0456.4471.0542.6602.0639.2718.8
    能量调节 Energy regulation0-12.5%-25%-37.5%-...100%
    蒸发器Evaporator型式   Type高效壳管干式换热器   Pipe dry high efficiency heat exchanger
    水流量(m3/h) Flow77.392.197.2106.5115.4119.8139.6153.3163.7184.5
    水压降(kPa) Water pressure drop46.048.540.845.041.045.950.344.846.149.0
    配管管径(mm) Interface sizeDN150DN200
    冷凝器Condenser型式   Type高效铜管与铝箔紧密胀接型翅片式热交换器   Efficiency copper pipe and aluminum foil wing heat exchanger
    风机数量 Quantity of fans 12121616161624242424
    单台功率(kW) Stand-alone power 2.72.72.22.72.72.71.72.72.72.7
    制冷剂Refrigerant类型   TypeR22
    充注量(kg) Refrigerant volume92.6110.4116.5127.7138.3143.7167.4183.7196.2221.2
    外形尺寸
        Overall dimensions    		长(mm)   Length6750875087508750111001110013500135001470015900
    宽(mm) Width2200220022002200220022002200220022002200
    高(mm) Height2380225023502450235023502350245024502450
    重量 weight机组略重(kg)   Machine weight760088009200104009400980011200118001240013200
    运行略重(kg) Operating weight8200940098001120010100850012000126001320014000


相关关键词：
询盘
相关产品
相关新闻
电话：4006769702 / 021-57406072 传真：021-57406122 地址：上海市奉贤区邬桥工业园区汇安路12号
版权所有 上海乐鱼制冷设备有限公司 技术支持：中国丙纶网 沪ICP备16016722号-1
关 键 词： 工业制冷 冷水机 冷水机组 工业冷水机 螺杆式冷水机 风冷式冷水机
友情链接： 丙纶网优秀供应商 丙纶FDY丝 丙纶短纤维