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污水节能处理系统 废水节能处理系统 污水废水节能处理系统
关键词: 污水节能处理系统     工业废水处理     节能高盐废水处理系统     废水节能处理系统     废水污水节能处理     污水废水节能处理     废水节能处理     污水处理     污水处理系统     废水处理     污水废水节能处理系统     城市污水处理     印染废水处理    
 
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   螺旋板式换热器
 
产品概述/Product overview
      螺旋板式换热器是一种高效换热器设备,适用汽—汽、汽—液、液—液,对液传热。它适用于化字、石油、溶剂、医药、食品、轻工、纺织、冶金、轧钢、焦化等行业。按结构形式可分为不可拆式(Ⅰ型)螺旋板式及可拆式(Ⅱ型,Ⅲ型)螺旋板式换热器。
Spiral-plate heat exchanger is a kind of high efficient heat exchanger device which is applicable to vapor-vapor, vapor - liquid, liquid – liquid heat transfer to liquid. It is suitable for chemical, oil, solvents, pharmaceutical, food, light industry, textile, metallurgy, steel rolling, coking and other industries. It can be divided into non-detachable type (Ⅰ) and detachable type (Ⅱ, Ⅲ) spiral plate heat exchangers according to the structural form. 



结构及性能/Structure and performance
1、本设备适用于:液—液,气—气,气—液对流传热可用于蒸汽冷凝和液体蒸发传热,化工,石油,医药,机械,电力,轻工和纺织等工业部门均可选用。
2、本设备由两张钢板卷制而成,形成了两个均匀的螺旋通道,两种传热截止可进行全逆流流动,适用小温差传热,便于回收低温热源并可准确地控制出口温度。
3、在壳体上的接管是切向结构,局部阻力小,螺旋通道的曲率是均匀的,流体在设备内流动没有大的换向,总的阻力小,因而可提高设计流速使之具备较高的传热能力。
4、螺旋通道的端面是焊接密封的,密封性能好,结构可靠。
5、不易检修,尤其是内部板出现问题时极难修理,有些厂把设备两端焊缝全部车掉,重新将板展平补焊后再卷制,这样做消耗的工时太大,因选用螺旋板式换热器防腐是十分重要的。
6、不能进行机械清洗,生产实践证明,螺旋板换热器与一般列管式换热器相比是不容易堵塞的,尤其是泥沙、小贝壳等悬浮颗粒杂质不易在螺旋通道内沉积,分析其原因;一是因为它是单通道杂质在通道内的沉积一形成周转的流还就会提高至把它冲掉,二事故因为螺旋通道内没有死角,杂质容易被冲出。
7、因为螺旋通道内有定距柱支撑通道间距,甩以不得有纤维状杂质(棉纱,草棍,树叶等)进入换热器内部。
8、严格控制冷却水出口温度在结垢温度以下。
9、常用的清洗方法是用蒸汽吹净或碱洗,蒸汽吹入要向接管,把杂质从设备内吹出,很多使用厂认为这是行之有效的方法。
1, this equipment is suitable for liquid - liquid, gas-gas, gas - liquid convection heat transfer which can be used for vapor condensation and liquid evaporation heat transfer. Therefore it is applicable in chemical industry, petroleum, medicine, machinery, electric power, light industry and textile industries, etc.
2, this equipment is composed by two pieces of steel plates to form two uniform spiral channels. Two heat transfer cut-off ways may realize fully reversed flow which is applicable for heat transfer with small temperature differential. Therefore it is easy for low temperature heat source recycling and accurate outlet temperature control. 
3, the connection pipe on the shell is of tangential structure with small partial resistance. The curvature of spiral channel is even and the fluid has no large direction change inside the equipment. Therefore the total resistance is small which may increase design flow speed and realize higher heat transfer ability.
4. The end surface of spiral channel is sealed by welding, therefore the sealing performance is good with reliable structure.
5. It is not easy for inspection and repairing, especially when problems occur on inner plate. Some factories will cut off the weld joints at two ends of the equipment and spread the plate for welding repairing before rolling. However, this may takes a lot of time. Therefore corrosion proof is important when use spiral plate heat exchanger.
6. Mechanical cleaning is not allowed. It is proved by production practice that compared with general tube type heat exchanger, it is not easy to be blocked, especially, by the silt, small shell and other suspended particles and impurities which are not easy to be settled down in the spiral channel. The reasons are: 1. these impurities are settled down in single-direction channel and the impurities will be flushed away once rotating flow is formed. 2. There’s no dead corner inside the spiral channel, therefore the impurities are easy to be flushed away.
7. There are spacing columns inside the spiral channel to support distance in the channel, therefore fiber shaped impurities (cotton yarn, grass stick and leaves, etc.) are not allowed to enter inner part of the heat exchanger.
8. Temperature of cooling water outlet shall be strictly controlled below the scaling temperature.
9. The commonly used cleaning method is steam blowing off or alkaline cleaning. Steam blowing is to blow the impurities out of the equipment which is a effective method believed by many factories. 

产品优势/Product advantages 
      螺旋板式换热器通过多年实践使用证名,确是一种高效换热设备,它适用于化学、石油、溶剂、医药、食品、轻工、纺织,冶金,轧钢、焦化等行业中应用。换热器吸取当代国际先进技术,经独特的优化设计制造的液—液、汽—水热交换器。产品结构工艺按瑞典“阿尔法拉代”公司标准,螺旋板端面采用折边氩弧焊,“顶距柱”专用工艺为电容蓄电接触器,提高了内在和外表的质量得到“宝钢”认可,能取代进口。
      不可拆式螺旋板换热器是按-机部标准JB/TQ 724-89不可拆式螺旋板式换热器形式,基本参数与尺寸的规定而进行设计的,它具备制造简单,成本低,体积小和传热性能好等优点,但也有它的不足之处,例如不能进行机械清洗,坏了不易检修等,选用者应根据工程的实际情况选取具体的设备使之最为有效。
After years of practice, spiral-plate heat exchanger is proved to be a high-efficient heat exchanging device which is applicable in chemistry, oil, solvent, medical, food, light industry, textile, metallurgy, steel rolling and coking industries, etc. By absorbing international modern and advanced technology and with unique and optimized design, the liquid-liquid, vapor-water heat exchanger is manufactured. The product structure process complies with standard of “`Aerfaladai” Company in Sweden. The end surface of spiral plate adopts hem arc welding. The special process of “Top distance pillar” is capacitor power storage contactor which improves inner and outer appearance and wins approval from “BaoGang”. It can replace imported product.
Non-detachable spiral plate heat exchanger is designed according to basic parameter and size stipulated in standard JB/TQ714-89 Form of non-detachable spiral plate heat exchanger by Ministry of Machinery Industry. It is of simple manufacturing, low cost, small size and good heat transfer performance, etc. It also has disadvantages, such as machinery cleaning is not allowed, hard for inspection & repairing when broken down. The user shall select specific equipment according to practical condition of the project to make it most effective. 

 


无锡弘通石化装备有限公司拥有优质的污水节能处理系统、废水节能处理系统、污水废水节能处理系统
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