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聚氨酯高压发泡机操作的应急措施有哪些?
聚氨酯泡沫材料的高压发泡生产离不了聚氨酯黑、白料的组合应用.故我们在聚氨酯高压发泡机进行操作时一定要小心谨慎. 尤其是在操作异氰酸酯时,应特别注意,因为它有一定的刺激性,不要吸入其蒸汽,及切勿溅到皮肤及眼睛上.万一有泄露及接触我们也应做到及时的处理.具体处理措施如下: Polyurethane foam material of high pressure foaming production from the combination of black and white polyurethane material. So we in the high-pressure polyurethane foam machine operation must be careful, especially in the operation of the isocyanate, should special attention, because it has a certain irritation. Do not breathe the steam and never splashed on the skin and eyes. If there is a leak and contact us should be done timely treatment. Specific measures are as follows: 当皮肤接触到组合聚醚时,应用肥皂和水进行冲洗; When the skin is exposed to a combination of polyether, use soap and water to wash; 溅到皮肤及眼睛时,必须立即用卫生棉花先将其擦去,然后用大量水冲洗15分钟,再用肥皂或酒精冲洗,如果仍较严重,应立即诊治; Splashed into the skin and eyes, must immediately wipe with health cotton first, and then wash with plenty of water for 15 minutes, and then wash with soap or alcohol, if still more serious, should be immediately diagnosis and treatment; 大面积异氰酸酯洒地时,应用砂土、木屑进行覆盖处理后,再用大量水冲洗地面; When the large area of isocyanate, the application of sand, sawdust to cover treatment, and then a large amount of water to wash the ground; 衣服污染上异氰酸酯时,必须用含乙醇50%、水45%、浓氨液5%配制而成的溶液进行处理后,再用肥皂洗净. When the isocyanate is contaminated, it must be treated with a solution containing ethanol 50%, water 45%, concentrated ammonia solution 5%, and then wash with soap. 本文来自聚氨酯喷涂机厂家更多的内容请点击:http://www.mxfpj.cn我们将会为您提问的问题提供一个满意的服务,欢迎您的来电! This article from the polyurethane spraying machine manufacturers more content please click: http://www.mxfpj.cn we will provide you with a satisfactory service, welcome your call!
聚氨酯高低压发泡机的种类及结构组成
从动力方面分类可分为:高速叶轮型、高压空气型、鼓风中低压型一台完整的聚氨酯发泡机由以下几个系统组成:料流系统、计量系统、气路系统、加热系统、清洗系统、混合装置。聚氨酯发泡设备按照组份计量压力及混合系统分为低压发泡及高压发泡两大类。 From the dynamic classification can be divided into: high-speed impeller type, type of high pressure air, blast pressure type a complete polyurethane foaming machine consists of the following systems: material flow system, measurement system, pneumatic system, heating system, cleaning system, a mixing device. Polyurethane foam equipment in accordance with the measurement of the pressure and mixing system is divided into two categories of low pressure foaming and high pressure foaming. 聚氨酯高压发泡设备根据用户需要可以精心设计不同系列的机型,具有较好的实用性和经济性,为用户生产不同产品、合理地选择机型提供了方便。 Pu high pressure foaming equipment can be designed according to user needs of different series of models, with good practicality and economy, for the user to produce different products, reasonable choice of models to provide convenience. 设备主要由以下几个系统组成:料流系统、计量系统、气路系统、加热系统、清洗系统、混合装置。 Equipment mainly consists of the following components: material flow system, metering system, gas system, heating system, cleaning system, mixing device. 设备采用自洁式混合头完成物料混合与定量注射,因此,每次完成混合与注射后,能自行清除混合腔内残余混合物,不需溶济清洗,作业清洁,每吨原料发泡在同等条件下比低压发泡机多发3-4立方米,混合头确保使用寿命≥30万次。 Equipment with self cleaning type mixing head to complete the material mixed with the quantitative injection. Therefore, after the completion of each mixing and injection, on its own to clear the mixing cavity residual mixture, without solvent cleaning, cleaning, per ton of raw foaming in the same conditions than in low pressure foaming machine multiple 3-4 cubic meters, the mixing head ensure the use life is more than or equal to 30 million times. 设备料罐结构新颖、机头设计独特,报警继电器可以提示前次注射完毕准备下次注射。并且采用电脑程控操作、料温恒温自控,具有计量稳定精确精确,操作简易,维护方便等特点。产品广泛应用于冰箱、冰柜、汽车、制鞋和聚氨酯橡胶等行业 Tank equipment has the advantages of novel structure, unique design of machine head, alarm relay can prompt the previous injection is completed for the next injection. And the use of computer control, material temperature and temperature control, with stable and accurate measurement accuracy, simple operation, convenient maintenance and so on. Products are widely used in refrigerators, freezers, cars, footwear and polyurethane rubber industry
聚氨酯喷涂机设备的广泛的应用范围及原理
聚氨酯喷涂机的用途;聚氨酯设备现在主要用于冷库、冷罐、管道等部门作绝缘保温保冷材料,高层建筑、航空、汽车等部门做结构材料起保温隔音和轻量化的作用。超低密度的硬泡可做防震包装材料及船体夹层的填充材料。 Polyurethane spraying machine use; polyurethane equipment now used mainly in cold storage, cooling tank, pipelines and other departments for heat insulation and cold preservation material, high-rise building, aerospace, automotive and other departments to do structural material for insulation insulation and lightweight. Ultra low density hard foam can be used as shock proof packing material and the filling material of the ship's hull. 硬质聚酯型聚氨酯泡沫塑料的理化性质:密度:0.0368g/cm3,拉伸强度:0.414MPa,压缩强度(10% 处变形):0.323MPa,导热系数:0.035W/(m.K) 。该材料与聚醚型同一密度的硬泡相比,有较高的拉伸强度和较好的耐油、耐溶剂和耐氧化性能,但聚酯粘度大,操作较困难。 The physical and chemical properties of rigid polyurethane foam plastics: density: 0.0368g/cm3, tensile strength: 0.414MPa, compressive strength (10% deformation): 0.323MPa, thermal conductivity: 0.035W/ (m.K). The material has higher tensile strength and better oil resistance, solvent resistance and oxidation resistance compared with the same density of the polyether type. However, the viscosity of the polyester is larger, and the operation is more difficult. 用途:应用领域类似于硬质聚醚型聚氨酯泡沫塑料,当制品对强度、耐温性要求较高时,用聚酯型硬泡较为合适。如雷达天线罩的夹层材料,飞机、船舶上的三层结构材料,电器、仪表、设备的隔热材料和防震包装材料 Purpose: the application of the field is similar to rigid polyether polyurethane foam, when the product of strength, temperature resistance requirements, the use of polyester foam is more suitable. Three layer structure material, electric appliance, instrument, equipment, heat insulating material and shock proof packing material, such as the sandwich material of the radar antenna cover, the plane and the ship. 本文由聚氨酯喷涂机厂家友情奉献.更多有关的知识请点击: http://www.mxfpj.cn我们将用最先进的技术.最真诚的态度.为您提供最为全面的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待. This paper made of polyurethane spraying machine manufacturers friendship devotion. More knowledge about please click: http://www.mxfpj.cn we will use the most advanced technology. The most sincere attitude. For you to provide the most comprehensive services. More relevant knowledge and we will continue to everyone dedication. Stay tuned.
聚氨酯发泡机泡沫的形成的阶段原理
从A、B料混合到泡沫体积膨胀停止,这个过程可称为发泡过程。发泡过程中,聚氨酯发泡机体系放出大量的反应热(1mol活泼氢和1mol异氰酸酯根反应可放热约109kJ),反应热使发泡剂汽化进入泡沫体的每个泡孔,驱使泡孔体积不断膨胀。这时每个泡孔都受到两个力的作用:大气压力(即外压)和发泡剂膨胀产生的压力(即内压)。当内压大于外压时,发泡体系的体积就不断膨胀;当泡孔内外压力相等时,泡沫体不再膨胀,即达到所谓的“升胀时间” From A, B mixture to the expansion of the bubble volume, the process can be called the foaming process. Foaming process, polyurethane foaming machine system to release a large number of reaction heat (exothermic) of about 109kJ 1mol lively hydrogen and root of 1 mol isocyanate reaction, heat of reaction the foaming agent vaporization into foam body each cell, driven bubble pore volume continues to expand. At this time each bubble hole are subject to the role of two forces: atmospheric pressure (that is, external pressure) and foaming agent expansion pressure (ie, internal pressure). When the internal pressure is greater than the external pressure, the volume of the foaming system expands continuously; when the bubble hole and the pressure are equal, the foam body is not expanded, that is, the so-called "rising time" " 聚氨酯发泡机泡沫停止膨胀后,体系内部的化学反应并未完全结束,而是在进行着速度较慢的交链反应,直至泡沫体达到最终强度。这个过程称为泡沫体的熟化过程。 The chemical reaction in the system is not completely finished, but in the slow reaction of the chain reaction, until the final strength of the foam is reached. This process is known as the curing process of foam. 泡沫体积膨胀停止标志着发泡过程的结束,熟化过程的开始。在熟化过程中,泡沫体不再放出大量的反应热,温度慢慢降低(最终会降至环境温度)。这时泡孔内压力亦降低,产生内外压差。 Bubble volume expansion stop marks the end of the foaming process, start the ripening process. In the aging process, the foam will not emit a lot of reaction heat, the temperature decreased slowly (eventually reduced to ambient temperature). At this time the pressure inside the bubble hole is also reduced, resulting in internal and external pressure difference. 压差对泡沫体的形式产生一定的影响:若泡孔壁的强度足以支撑压差,则泡沫体不会发生明显的变形;若泡孔壁强度较弱,则泡沫体在压差作用下发生收缩。通常称之为“成型收缩率”,一般在1%以下,严重时可达5%,甚至更大。 Differential pressure the foam forms have a certain impact: if the bubble hole wall strength sufficient to support the differential pressure, foam will not occur obvious deformation; if the bubble hole wall strength is weak, the foam in under the action of the pressure differential shrinkage occurs. Commonly referred to as the "molding shrinkage", generally below 1%, serious when up to 5%, or even greater. 从理论上讲,让泡沫体生长停止后泡孔结构立即达到稳定是解决泡沫收缩的最佳办法。而事实上,这对于目前聚氨酯行业来说是不可能实现的,即成型收缩率不会为零,但通过调整发泡料的生产配方再辅以科学的发泡工艺则完全可以将成型收缩率控制在1%以内。 Theoretically, it is the best way to solve the bubble shrinkage that the structure of the bubble is stable at once. And in fact, this for the polyurethane industry is impossible, namely, molding shrinkage rate is not zero, but by adjusting foaming material production formula again combined with scientific foaming process can the molding shrinkage rate is controlled in less than 1%. 本文来自:聚氨酯喷涂机厂家更多的内容请点击:http://www.mxfpj.cn我们将会为您提问的问题提供一个满意的服务,欢迎您的来电! This article from: Polyurethane spraying machine manufacturers more content please click: http://www.mxfpj.cn we will provide you with a satisfactory service, welcome your call!
聚氨酯发泡外墙保温施工环境要求
1、施工作业期间气象应满足以下条件:现场喷涂作业时环境气温宜为15℃-40℃,但不应低于10℃或高于40℃;墙面含水率宜为9%,风力不大于等5m/s(3级风)相对湿度应小于80%,雨天不得施工。当施工时环境温度低于10℃时,应采取可靠的技术措施保证喷涂质量。高湿或暴晒下严禁作业。 1, construction operations during the weather should meet the following conditions: spot spraying operations when environment temperature should be 15 degrees to 40 degrees, but should not be lower than 10 DEG C or higher than 40 DEG C; metope moisture content should be 9%. The wind is not more than, 5m / S (Level 3) air relative humidity should be less than 80%, rainy days shall not be under construction. Reliable technical measures should be taken to ensure the quality of spraying when the environment temperature is lower than 10. Work under high humidity or exposure. 2、外保温施工与作业技术条件如下: 2, external insulation construction and operation technical conditions are as follows: 外沿单排或双排钢管脚手架,钢管门式脚手架;距墙体装饰面应为(00-2.5米),最大处不超过5米;设有不大于1.2米的围护栏杆;其施工必须符合国家现行安全技术规定。脚手架的搭设,应满足喷涂的进度要求。 Outer edge of the single or double row steel pipe scaffolding, steel door type scaffold; from the decorative wall surface should be (00-2.5 meters), the maximum not more than 5 meters; with not more than 1.2 meters enclosure railing; its construction must be consistent with existing national safety technical regulation. Scaffold erection, should meet the requirements of the progress of spraying. 3、聚氨酯白料、黑料应在干燥、通风、阴凉的场所密封贮存,白料贮存温度以15℃~20℃为宜,不得超过30℃,不得曝晒。黑料贮存温度以15℃~35℃为宜,不得超过35℃,最低贮存温度不得低于5℃。聚氨酯白料、聚氨酯黑料(来源:中国保温网)的贮存期均为6个月。聚氨酯白料、黑料在贮存运输中应有防晒措施。 3, polyurethane white, black material should be in a dry, ventilated, cool place sealed storage, white material storage temperature to 15 to 20 DEG C is appropriate, shall not exceed 30 degrees, not exposure. Black storage temperature to 15 degrees to 35 degrees Celsius is appropriate, shall not exceed 35 degrees Celsius, the minimum storage temperature shall not be less than 5. Polyurethane white material, polyurethane black material (source: China insulation net) storage period is 6 months. Polyurethane white material, black material in storage and transportation should be sun protection measures.
聚氨酯喷涂机设备的使用范围
聚氨酯喷涂机的用途;聚氨酯设备现在主要用于冷库、冷罐、管道等部门作绝缘保温保冷材料,高层建筑、航空、汽车等部门做结构材料起保温隔音和轻量化的作用。超低密度的硬泡可做防震包装材料及船体夹层的填充材料。 Polyurethane spraying machine use; polyurethane equipment now used mainly in cold storage, cooling tank, pipelines and other departments for heat insulation and cold preservation material, high-rise building, aerospace, automotive and other departments to do structural material for insulation insulation and lightweight. Ultra low density hard foam can be used as shock proof packing material and the filling material of the ship's hull. 硬质聚酯型聚氨酯泡沫塑料的理化性质:密度:0.0368g/cm3,拉伸强度:0.414MPa,压缩强度(10% 处变形):0.323MPa,导热系数:0.035W/(m.K) 。该材料与聚醚型同一密度的硬泡相比,有较高的拉伸强度和较好的耐油、耐溶剂和耐氧化性能,但聚酯粘度大,操作较困难。 The physical and chemical properties of rigid polyurethane foam plastics: density: 0.0368g/cm3, tensile strength: 0.414MPa, compressive strength (10% deformation): 0.323MPa, thermal conductivity: 0.035W/ (m.K). The material has higher tensile strength and better oil resistance, solvent resistance and oxidation resistance compared with the same density of the polyether type. However, the viscosity of the polyester is larger, and the operation is more difficult. 用途:应用领域类似于硬质聚醚型聚氨酯泡沫塑料,当制品对强度、耐温性要求较高时,用聚酯型硬泡较为合适。如雷达天线罩的夹层材料,飞机、船舶上的三层结构材料,电器、仪表、设备的隔热材料和防震包装材料。 Purpose: the application of the field is similar to rigid polyether polyurethane foam, when the product of strength, temperature resistance requirements, the use of polyester foam is more suitable. Three layer structure material, electric appliance, instrument, equipment, heat insulating material and shock proof packing material, such as the sandwich material of the radar antenna cover, the plane and the ship. 由此可见,聚氨酯喷涂机有着比常规无气喷涂机更加良好的理化性质,而这些性质也正在广泛用于服装、鞋帽的村里、垫肩等物品的喷涂上,而这些也是无气喷涂所达不到的,而且较高的熔点也使得喷涂的可塑性更强。 Thus, polyurethane spraying machine with than conventional airless spraying machine more good physicochemical properties, and these properties is also widely used in clothing, shoes and hats in the village, shoulder pads and other items of spray, and these is no gas spraying beyond the reach of and higher melting point also makes spraying plasticity stronger.
聚氨酯喷涂机日常清洁内容
①关闭喷枪上的气压阀,停止送料 Turn off the pressure valve on the spray gun and stop feeding. ②料斗内加入清水 Add water in hopper ③卸掉与储气罐连接的气管,并将本机出厂时附带的一根空气清洗气管插上,另一头插入出料口处的气动接 The air storage tank is connected with the air storage tank, and the air cleaning pipe plug is connected with the air storage tank, and the other end of the air storage tank is inserted into the air outlet of the feed port. 头上 top of one's head ④缓慢打开出料口处的气压阀,空压机启动,将调速旋钮按顺时方向启动搅挤机,循环冲洗挤出管内壁,待不断有清水流出出喷枪口(约3-5分钟) Fourthly, slowly open the outlet pneumatic valve, air compressor is starting, speed control knob according to the clockwise direction starting mixing and extruding machine, circulating flushing the inner wall of the extruded tube, to be continuous water flow out of the gun muzzle jet (about 3-5 minutes) ⑤确认送料管内壁已洗净,如未洗净,再次循环冲洗。 The confirmation of the feed pipe wall has been washed, if not wash again wash cycle. ⑥确认洗净后,将送料管与气管一并卸掉并置放于适当位置。 The confirmation after the cleaning of the feeding pipe and the pipe together removed and placed in the appropriate position. ⑦将搅拌棒与搅挤机连接的弹簧销退出并将搅挤机翻转,取出搅拌棒并清洗干净。 The stirring rod and the stirring pin spring will squeeze machine connected to the exit and mixing and extruding machine flip, stir bar and clean. ⑧用清水清洁料斗后将浆料挤出泵卸掉,将料斗内的污水排出。 The water used to clean the slurry hopper after extrusion pump is removed and the hopper in the sewage discharge. ⑨用刷子或海绵清洗下出料口弯头处。 Outlet elbow with brush or sponge cleaning out at 9. ⑩洗净完毕后,装好浆料挤出泵。在料斗内放入约10cm存量的水。最后再以正常喷涂形式将料斗内的存水减量至2-3cm即可。(防止喷嘴内有回料) The cleaning is completed, packed slurry extrusion pump. In the hopper into the stock of about 10cm of water. In the end, the amount of water in the hopper can be reduced to 2-3cm by normal spraying. (to prevent the return of the nozzle in the nozzle)
聚氨酯与聚苯乙烯发泡机理的不同
  聚氨酯与聚苯乙烯发泡机理的不同   Polyurethane (pu) is different from the mechanism of polystyrene foam   硬泡聚氨酯是双组份液体(俗称黑、白料)充分混合后,产生快速化学反应固化(几十秒~几分种),在发泡剂、催化剂、匀泡剂等添加剂作用下发泡成高闭孔率>90%、呈网状结构的轻质泡沫体,属热固性泡沫。   Rigid polyurethane is a two-component liquid (commonly known as black, white material) after fully mixing, produce rapid chemical reaction curing (a few seconds to a few minutes), the foaming agent, catalyst, and foam agent under the action of the additive such as foam into high obturator rate > 90%, the net-like structure light foam, thermosetting bubble.   聚苯乙烯泡沫(EPS、XPS)是由颗粒料或粉状料经加热溶胀,发泡剂汽化膨胀,通过模具或挤出机械成型的泡沫体,呈粒颗结构,属热塑性泡沫,对温度有较高的敏感性,存在二次发泡的潜在性。   Polystyrene foam (EPS, XPS) is composed of granular or powder material, heating swelling, vaporizing expansion of foaming agent, through the foam mold or mechanical extrusion molding, show bead structure, thermoplastic foam, have higher sensitivity to temperature, there is a second foaming potential.
聚氨酯高压喷涂设备的几大优点
  聚氨酯高压喷涂设备的几大优点:   Pu high pressure spraying equipment of several big advantage:   1、施工简便速度快。每日每工可喷200多平米,有利于抢进度。   1, simple and fast construction. Daily per worker can spray of more than 200 square meters, is conducive to progress.   2、保温性能好。导热系数0.025左右,比聚苯板还好,是目前建筑保温较好的材料。   2, heat preservation performance is good. 0.025 or so, thermal conductivity than polystyrene board, is now better building insulation material.   3、粘结性能好。能够和木材、金属、砖石、玻璃等材料粘结得非常牢固,不怕大风揭起。   3, good bonding performance. Can and material such as wood, metal, brick, glass bonding is very strong, not afraid of wind lifts.   4、防水性能好。泡沫孔是封闭的,封闭率达95%,雨水不会从孔间渗过去。   4, waterproof properties is good. Foam hole is closed, closed rate was 95%, and the rain will not from the hole between the permeability of the past.   5、经济效益好。如果把保温层和防水层分开,不仅造价高,而且工期长,而聚氨酯高压喷涂一次成型、施工方便、效果好。   5, good economic benefit. If separate the insulation layer and the waterproof layer, not only cost is high, and long construction period, and polyurethane high-pressure spray forming, convenient construction, good effect at a time.
不同类型的聚氨酯设备的相关用途
  不同类型的聚氨酯设备的相关用途:   Different types of polyurethane equipment related to use:   随着现代科技的发展,各种设备也都分的比较细。聚氨酯喷涂机厂家   With the development of modern science and technology, all kinds of equipment are also points is fine.   为了能生产各种质地较硬的聚氨酯材质,人们可以选用聚氨酯静态浇注机,它具有很强的生产强度,能够长时间的连续工作,可以用来制作各种隔音和绝缘设备。   In order to produce all kinds of a hard polyurethane material, people can choose polyurethane static casting machine, it has a strong production strength, able to work continuously for a long period of time, can be used to make all kinds of sound insulation and insulation equipment.   而聚氨酯多功能静态浇注机则是它的扩展款,在它的基础上功能更多,使用更方便。   And polyurethane multi-function static casting machine is its extension, on the basis of its function more, use more convenient.   聚氨酯填充灌注机主要利用特殊的填充过程,让整个生产步骤变的更为简化,是一种较为简便的聚氨酯设备,主要用于石油管道、冷库、水箱、汽车、制鞋、聚氨酯橡胶等行业,精密微型发泡机也是如此,精密度更高。   Polyurethane filling filling machine is mainly used special filling process, make the whole production procedure is more simplified, is a relatively simple polyurethane equipment, mainly used in oil pipeline, cold storage, tanks, cars, shoes, polyurethane rubber and other industries, precision micro foaming machine, precision is higher.   所以市场上多种的聚氨酯设备都有各自的用途,为了方便自己使用,当然要先了解产品的用途后才能购买了。   So a variety of polyurethane equipment on the market has its own purposes, in order to facilitate their own use, of course need to understand the purpose of the product to buy.