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1m3甲醛释放量气候箱

该设备采用电子流量计、触摸屏控制。主要用于木制品、家具、地板、地毯、鞋类产品、建筑装修材料等消费品中游离态甲醛的测定。将已知表面积的试件,放入温度、湿度、空气流速和空气置换率控制在一定值的测试箱内。

  • 型号:JQ-I

  • 产品参数
  • 型号:JQ-I

 

一,甲醛释放量气候箱产品简介:
该设备采用电子流量计、触摸屏控制。主要用于木制品、家具、地板、地毯、鞋类产品、建筑装修材料等消费品中游离态甲醛的测定。将已知表面积的试件,放入温度、湿度、空气流速和空气置换率控制在一定值的测试箱内。甲醛从试件中释放出来,与箱内空气混合,定期抽取箱内空气,从箱中抽取空气通过盛有水的洗气瓶测定水中吸收的甲醛浓度。测试箱中空气的甲醛浓度由洗气瓶中的甲醛浓度和抽出的空气体积计算,用毫克每立方米(mg/m3)表示。取样是周期性的,直到测试箱内甲醛浓度达到平衡状态。
 the product introduction:
The device is controlled by an electronic flow meter and a touch screen. It is mainly used for the determination of free formaldehyde in consumer products such as wood products, furniture, flooring, carpets, footwear products, and building decoration materials. The test piece of known surface area is placed in a test box whose temperature, humidity, air flow rate and air replacement rate are controlled to a certain value. Formaldehyde is released from the test piece, mixed with the air in the box, and the air in the box is periodically extracted, and the air is taken from the box to measure the concentration of formaldehyde absorbed in the water through a gas-washing bottle containing water. The formaldehyde concentration of the air in the test chamber is calculated from the concentration of formaldehyde in the scrubber and the volume of air extracted, expressed in milligrams per cubic meter (mg/m3). The sampling is periodic until the formaldehyde concentration in the test chamber reaches equilibrium.

 

二,甲醛释放量气候箱技术参数:
♦工作环境温度:15℃~30℃ 工作环境湿度:≤90%RH      
♦温度可调范围:10℃~40℃,控温精度±0.1℃,波动率≤±0.5℃,均匀度≤±0.5℃  
♦湿度可调范围:30%~80%,控湿精度±2% RH ,波动率≤±3% RH,均匀度≤±5% RH
♦空气交换率:1m3/h,±5%  压力:10±5Pa
♦空气流速:0.1m/s~0.3m/s(连续可调),精度≤0.05m/s
♦气密性:舱门具有自密性。密闭性能满足:
① 在1kPa正压(表压)时,舱内空气泄漏率少于10-3*1M3/min;
② 进出口气体流量差小于1%。
♦内箱材质:304镜面不锈钢板无缝焊接,焊接处及周围抛光、无变形,内壁平整光滑,色泽均匀,无露底、起层、鼓泡、划痕。
♦外箱材质:A3彩钢板静电喷涂,涂镀层平整光滑,色泽均匀,无露底、起层、鼓泡、斑痕、较深划痕等缺陷,舱体及门有效热绝缘,采用植物纤维保温,保温层厚度不小于50mm,导热系数不大于0.01W/(m·K),内壁板之间的搭接处采用无缝焊接。
♦空气交换装置:舱体内部安装能够连续控制换气率装置(干空气流量计,或其它电子空气流动计量装置)。空气进口与出口应在不同的内壁上,并处于不同的高度,保障补充到舱内的空气流量满足相应标准要求。
♦空气循环(混合)装置:舱内安装风扇,用于加强舱内空气混合;试件表面附近的空气流速在0.1m/s至0.3m/s之间(可调)。
Second, technical parameters:
♦ Working environment temperature: 15 ° C ~ 30 ° C Working environment humidity: ≤ 90% RH
♦ Temperature adjustable range: 10°C~40°C, temperature control accuracy ±0.1°C, fluctuation rate ≤±0.5°C, uniformity ≤±0.5°C
♦ Humidity adjustable range: 30%~80%, humidity control accuracy ±2% RH, fluctuation rate ≤±3% RH, uniformity ≤±5% RH
♦ Air exchange rate: 1m3/h, ±5% Pressure: 10±5Pa
♦ Air flow rate: 0.1m/s to 0.3m/s (continuously adjustable), accuracy ≤0.05m/s
♦ Air tightness: the door is self-tight. The sealing performance meets:
1 At 1 kPa positive pressure (gauge pressure), the air leakage rate in the cabin is less than 10-3*1M3/min;
2 The difference between the inlet and outlet gas flow is less than 1%.
♦ Inner box material: 304 mirror stainless steel plate seamlessly welded, polished and surrounded by welding, no deformation, smooth inner wall, uniform color, no exposed bottom, layering, bubbling, scratching.
♦ Outer box material: A3 color steel plate electrostatic spraying, the coating layer is smooth and smooth, the color is uniform, no defects such as exposed bottom, layering, bubbling, stains, deep scratches, etc. The cabin and door are effectively thermally insulated, and plant fiber insulation is adopted. The thickness of the insulation layer is not less than 50mm, the thermal conductivity is not more than 0.01W/(m·K), and the joint between the inner wall panels is seamlessly welded.
♦ Air exchange unit: The internal installation of the cabin can continuously control the ventilation rate device (dry air flow meter, or other electronic air flow metering device). The air inlet and outlet should be on different inner walls and at different heights to ensure that the air flow added to the cabin meets the corresponding standard requirements.
♦ Air circulation (mixing) device: A fan is installed in the cabin to enhance the air mixing in the cabin; the air flow rate near the surface of the test piece is between 0.1m/s and 0.3m/s (adjustable).

三,甲醛释放量气候箱产品特点:
♦换热器工艺先进:换热效率高,温度梯度小;
♦冷热对抗调温水箱:温度控制稳定;
♦进口湿度温湿度传感器:传感器精度较高、性能稳定;
♦优质制冷机:进口冷冻机,运行稳定、使用寿命长;
♦保护装置:气候箱、露点水箱均有高低温报警保护措施与高低水位报警;
♦保护措施;压缩机亦有过热、过流、超压保护措施,整机运行安全可靠;
♦不锈钢内箱体:恒温箱体内腔采用镜面不锈钢,表面光滑不结露,不吸附甲醛,保证检测精度;
♦恒温箱体保温材料采用植物纤维不挥发甲醛。箱内装有强制空气循环装置(形成循环空气流),以确保箱内温湿度均衡一致。
Third, product features:
♦ Advanced heat exchanger technology: high heat exchange efficiency and small temperature gradient;
♦ Hot and cold against temperature-controlled water tank: stable temperature control;
♦Imported humidity temperature and humidity sensor: The sensor has high precision and stable performance;
♦High-quality refrigerator: imported freezer, stable operation and long service life;
♦ Protection device: climate chamber and dew point water tank have high and low temperature alarm protection measures and high and low water level alarm;
♦Protection measures; the compressor also has overheating, overcurrent and overpressure protection measures, and the whole machine runs safely and reliably;
♦ Stainless steel inner box: The inner cavity of the constant temperature box is made of mirror stainless steel, the surface is smooth and does not condense, and formaldehyde is not adsorbed to ensure the detection accuracy;
♦ The thermostatic box insulation material uses plant fiber non-volatile formaldehyde. A forced air circulation device (forming a circulating air flow) is installed in the tank to ensure a uniform temperature and humidity in the tank.

四,甲醛释放量气候箱环境仓设计参考标准:
《室内装饰装修材料人造板及其制品中甲醛释放限量》(GB 18580-2017);
《甲醛释放量检测用1m 3 气候箱》(LYT 1612-2004)
《小尺度环境箱测定木制品释放气体中甲醛浓度的标准测试方法》ASTM D 6007;
《人造板甲醛释放量测量环境箱法》EN 717-1;
《人造板及饰面人造板理化性能测试方法》(GB/T17657-2013);
《室内装饰装修材料木家具中有害物质限量》(GB18584-2001);
《室内装饰装修材料地毯、地毯衬垫及地毯胶粘剂有害物质释放限量》(GB18587—2001);
《甲醛释放量检测用1M3气候箱》(LY/T1980一2011);       
1M3气候箱法测定板材甲醛释放量》(ISO 12460-1.2007);
Fourth, environmental warehouse design reference standards:
"Indoor decoration materials, formaldehyde release limit in wood-based panels and their products" (GB 18580-2017);
"1m 3 Climate Chamber for Detection of Formaldehyde Release" (LYT 1612-2004)
"Standard Test Method for Determination of Formaldehyde Concentration in Gases Released from Wood Products by Small-Scale Environmental Chambers" ASTM D 6007;
"Manufacturing board formaldehyde emission measurement environment box method" EN 717-1;
"Physical Testing Methods for Wood-based Panels and Finished Panels" (GB/T17657-2013);
"Limited Quantity of Hazardous Substances in Wood Furniture for Interior Decoration Materials" (GB18584-2001);
"Release Limits for Hazardous Substances in Interior Decoration Materials Carpets, Carpet Liners and Carpet Adhesives" (GB18587-2001);
"1M3 climate chamber for formaldehyde emission detection" (LY/T1980-2011);
Determination of formaldehyde emission from sheet by 1M3 climate chamber method (ISO 12460-1.2007);



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