河北远东泵业制造有限公司坐落于铸造名乡—河北省泊头市。公司占地面积38650平方米，建筑面积20300平方米，是国内 的集设计、铸造、生产、销售、服务于一体的容积泵专业制造厂家。公司始建于1984年,有二十几年专业研制经验。目前产品设计采用国际先进水平实体设计软件；产品研发、制造、检验、交付按照ISO9001质量管理体系控制过程质量；产品制造广泛使用加工中心、数控机床、专用精机、高精设备；检测设备拥有显微镜、渐开线检测仪、光学投影仪、 测齿仪、脉冲辉光离子氮化炉等大型检测设备，并建有国家B级试验站。本厂以 的产品水平、优质的售后服务、恪守信用而在市场上倍受欢迎，产品畅销不衰，赢得了用户的普遍赞誉。公司已通过ISO9001：2000国际质量体系认证，中国船级社CCS型式认证，法国船级社BV产品工厂认证，美国船级社ABS产品质量认证，成为中石油物资资源市场成员、中石化物资资源市场成员。河北省知名产品生产企业，船用泵产品承制企业。
    公司以“泊远东”牌齿轮泵，螺杆泵为主导产品，涉及21个系列，4200多种规格，年生产能力达43000多台（套）。产品行销油田、化工、电力、船舶、冶金、食品等各大行业。产品除满足国内客商的需求外，部分出口至东南亚、美洲、欧洲等国家和地区。公司在设有30多个分支机构，并建立了完善的营销服务网络，拥有一支庞大敬业的营销服务队伍，可为广大客户提供优质的服务。
    公司以严谨的质量体系、先进的生产设备、完善的检测手段、丰富的制造经验、务真求实的远东团队，来有效保证产品质量。以满腔真诚期待与国内外各界人士携手铸就多方共赢的辉煌。

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    ●SN三螺杆泵特点： 1.转子液压平衡，振动小，噪音低。 2.输出稳定，无脉动。 3. 率。 4.具有很强的自吸能力。 5.零部件采用通用性强的系列化设计，具有多种安装方式。 6.结构紧凑，体积小，重量轻，可在较高转速下工作。

   ●SN三螺杆泵输送介质种类： a. 润滑性液体：如机械油，滑油，重油，渣油 b.低润滑性液体：如轻柴油，重柴油，含蜡稀油 c. 粘性液体：如各种合成橡胶液和人造胶液，乳化液 ●SN三螺杆泵应用： ·在供热设备中用做燃油，燃油供应和输送泵。 ·在机械工业中用做液压，润滑和摇控马达泵。 ·在化学石油化工和食品工业中用做装载，输送和供液泵。 ·在船舶上用做输送、增压、燃油喷射和润滑油泵以及船用液压装置泵。

   工作原理:

   由于各螺杆的相互啮合以及螺杆与衬筒内壁的紧密配合，在泵的吸入口和排出口之间，就会被分隔成一个或多个密封空间。随着螺杆的转动和啮合，这些密封空间在泵的吸入端不断形成，将吸入室中的液体封入其中，并自吸入室沿螺杆轴向连续地推移至排出端，将封闭在 各空间中的液体不断排出，犹如一螺母在螺纹回转时被不断向前推进的情形那样，其中螺纹圈数看做液体，当螺钉旋转时螺纹在转动时就相当于液体在螺杆泵里面的情形，这就是螺杆泵的基本工作原理。螺杆与壳体之间的密封面是一个空间曲面。在这个曲面上存在着诸如ab或de之类的非密封区，并且与螺杆的凹槽部分形成许多三角形的缺口abc、def。这些三角形 的缺口构成液体的通道，使主动螺杆凹槽A与从动螺杆上的凹槽B、C相连通。而凹槽B、C又沿着自己的螺线绕向背面， 并分别和背面的凹槽D、E相连通。由于在槽D、E与槽F(它属于另一头螺线)相衔接的密封面上，也存在着类似于正面的三角形缺口a’b’c’，所以D、F、E也将相通。这样，凹槽ABCDEA也就组成一个“∞” 形的密封空间(如采用单头螺纹，则凹槽将顺轴向盘饶螺杆，将吸排口贯通，无法形成密封)。不难想象，在这样的螺杆 上，将形成许多个独立的“∞”形密封空间，每一个密封空间所占有的轴向长度恰好等于累杆的导程t。因此，为了使螺杆能吸、排油口分隔开来，螺杆的螺纹段的长度至少要大于一个导程。Due to the mutual engagement of each screw and screw and the close coordination of the liner wall, between the inlet and outlet of the pump, can be divided into one or more of the sealed space.With the rotation of the screw and the meshing, the sealed space in pump suction side form unceasingly, the liquid from the suction chamber seal in among them, and the suction chamber along the screw axial continuously goes on to the discharge end, will be closed in the space of the liquid discharge, like a nut in screw rotation being constantly move forward, the screw thread turns as liquid, when screw rotating screw rotation is equivalent to the liquid in the inside of the screw pump, this is the basic work principle of screw pump.The sealing surface between screw and shell is a space curved surface.Exist on the surface of the sealing section, such as ab or DE and screw groove part of the form many the gap of the triangle ABC, def.These triangular gap formation fluid channels, make active screw groove with A driven screw groove on the connected to B and C.And groove B, C and along their spiral around to the back, and, respectively, and on the back of the groove connected to D and E.Due to the  D, E and F (it belongs to another head spiral) of corresponding seal surface, there are also similar to the positive triangle gap a \'b\' c \', so D, F, E will also is e.So, grooves ABCDEA on forming a "up" form of the sealed space (such as using single thread, axial disc groove will arrange spare screw, connecting the suction PaiKou, unable to form a seal).It is not hard to imagine that in this kind of screw, will form a number of independent "up" form sealed space, each of the sealed space occupied the axial length equals the tired stem lead t.Therefore, in order to make the screw suction and discharge of oil can be separated, the length of the screw thread of at least than a lead.

   螺杆泵有以下优点：1)压力和流量范围宽阔。压力约在3.4-340千克力/cm 2，流量可达18600cm3/分；2)运送液体的种类和粘度范围宽广；3)因为泵内的回转部件惯性力较低，故可使用很高的转速；4)吸入性能好，具有自吸能力；5)流量均匀连续，振动小，噪音低；6)与其它回转泵相比，对进入的气体和污物不太敏感；7)结构坚实，安装保养容易。rate of up to 18600 cubic cm/min;2) wide range of delivery and type of liquid viscosity;3) because the rotary inertia force component inside the pump is low, so it can be used in high speed;4) inhalation can good, have since

   螺杆泵的缺点是，螺杆的加工和装配要求较高；泵的性能对液体的粘度变化比较敏感。Screw pump has the following advantages: 1) the wide range of pressure and flow.Pressure about 3.4-340 kg/cm 2, flow

Suction capacity;5) flow uniformly continuous, little vibration, low noise;6) compared with other rotary pump, less sensitive to enter gas and dirt;7) solid structure, installation and maintenance easy.The screw pump\'s disadvantage is that the screw processing and assembling the demand is higher;The performance of the pump is more sensitive to the viscosity of the liquid change.

   特点:★定子与转子接触的螺旋封线将收入腔与排出腔完全分开，使泵具有阀门的隔断作用★可实现液、气、固体的多相混输★泵内流体流动时容积不发生变化，没有瑞流搅动和脉★弹性定子形成的容积腔能有效地降低输送含固体颗粒介质时的磨耗★输入介地粘度可达50000Mpa·s含固量可达50%★流量与转速正比，借助调速器可实现量的自动调节,泵可以正反输送。Painted features: the stator and rotor contact of spiral sealing line cavity will income which is completely separated from the discharge chamber, make the pump valve painted the partition function can realize the liquid, gas, solid multiphase painted on the pump fluid flow within the volume does not change, no red painted flow agitation and pulse volume formed by elastic stator cavity can effectively reduce the abrasion when conveying medium containing solid particles taken the input interface to viscosity of up to 50000 mpa s. painted solid content of 50% is proportional to flow rate and rotational speed, with the help of governor can realize automatic adjustment of the pump can be positive and negative transfer.

   螺杆泵具有以下优点：1．和离心泵相比螺杆泵无需安装阀们流量是稳定的线性流动;2． 和柱塞泵相比螺杆泵具有自吸能力强、吸入高度强;3．和隔膜泵相比螺杆泵可输送各种混合杂质含有气体及固体颗粒或纤维的介质，也可输送各种腐蚀性物质;4． 和齿轮相比，螺杆泵可输送高粘度的物质;5．和柱塞泵，隔膜泵及齿轮泵不同的是，螺杆泵可用于药剂填充和计量.Screw pump has the following advantages: 1. Compared with screw pump and centrifugal pump doesn\'t need to install the valve flow is stable linear flow;2. Compared with those of screw pump plunger pump self-priming capability is strong, strong suction height;3. Compared with the diaphragm pump screw pump can transport all kinds of gas and solid particle mixing impurities or fiber medium, also can transport all kinds of corrosive substance;4. Compared with gear, screw pump can transport high viscosity material;5. And plunger pump, diaphragm pump and the gear pump, screw pump can be used in the pharmaceutical filling and metering.

    由于部件通用组合系列化有多种结构，可用于卧式，法兰式和立式安装。 根据所输送介质需要还可提供加热或冷却结构。热设备中用做燃油喷油，燃油供应和输送泵。在机械工业中用做液压，润滑和遥控马达泵。

在化学石油化工和食品工业中用做装载，输送和供液泵。在船舶上用做输送、增压、燃油喷射和润滑油泵以及船用液压装置泵。  Because there are many parts general combination series structure, can be used for horizontal, flange and vertical installation.According to the need to still can provide heating or cooling medium structure.Thermal equipment used in the fuel injection and fuel supply and transfer pump.In the mechanical industry used as hydraulic, lubrication and pump remote control motors.In the chemical petroleum chemical industry and food industry used as loading, transportation and feed liquid pump.On the ship for delivery, pressurization, fuel injection, and lubricating oil pump and Marine hydraulic gear pump.

   三螺杆泵特点及优点：（1）压力和流量范围宽阔，流量范围0.2～320m3/h 高工作压力可达5MPa；（2）运送液体的种类和粘度范围宽广,粘度范围1mm2/s-760mm2/s；（3）因为三螺杆泵内的回转部件惯性力较低，故可使用很高的转速；（4）吸入性能好，具有很强的自吸能力；（5）流量均匀连续，振动小，噪音低，几乎没有脉动；（6）三螺杆泵结构坚实，安装方便有(卧式、立式、法兰式、插装式）保养容易；（7）三螺杆泵具有很强的耐热性，一般工作温度是（1~250°C)超过此温度需特制；（8）根据所输送介质需要还可提供加热或冷却结构；（9）三螺杆泵几乎没有磨损，三螺杆泵只要选型正确，使用寿命长。（10）三螺杆泵的工作效率高。Three screw pump features and advantages: (1) a wide range of pressure and flow, flow range of 0.2 ~ 320 m3 / h top working pressure of 5 mpa;(2) wide range of delivery and type of liquid viscosity, viscosity range 1 was/was/s - 760 s;(3) because the rotary inertia force component inside the three screw pump is low, it can use the high speed;(4) inhalation can good, strong self-priming capacity;(5) flow uniformly continuous, little vibration, low noise, little pulse;(6) three screw pump structure solid, easy installation with (horizontal, vertical, flange, cartridge) easy maintenance.Three screw pump (7) has strong heat resistance, the general working temperature is (1 ~ 250°C) beyond the temperature should be specially;(8) according to the needs of the medium can also provide heating or cooling structure;(9) three screw pump almost no wear and tear, three screw pump through proper selection, long service life.High efficiency of three screw pump (10).

   注意事项:1.三螺杆泵的转速选用:三螺杆泵的流量与转速成线性关系,相对于低转速的螺杆泵,高转速的螺杆泵虽然能增加了流量和扬程,但功率明显增大,高转速加速了转子与定子间的磨耗,必定使螺杆泵过早失效,而且高转速螺杆泵的定转子长度很短,极易磨损,因而缩短了螺杆泵的使用寿命。通过减速机或无级调速机构来降低转速,使勘转速保持在每分三百转以下较为合理的范围内,与高速运转的螺杆泵相比,使用寿命能延长几倍。2.螺杆泵的品质:现在市场上的螺杆泵的种类较多,相对而言,进口的螺杆泵设计合理,材质精良,但价格较高,服务方面有的不到位,配件价格高,订货周期长,可能影响生产的正常运行。国内生产的大都仿制进口产品,产品质量良莠不齐,在选用国内生产的产品时,在考虑其性价比的时候,选用低转速,长导程,传动量部件材质优良,额定寿命长的产品。3.确保杂物不进入泵体:湿污泥中混入的固体杂物会对螺杆泵的橡胶材质定子造成损坏,所以确保杂物不进入泵的腔体是很重要的,很多污水厂在泵前加装了粉碎机,也有的安装格栅装置或滤网,阻挡杂物进入螺杆泵,对于格栅应及时清捞以免造成堵塞。4.保持恒定的出口压力:螺杆泵是一种容积式回转泵,当出口端受阻以后,压力会逐渐升高,以至于超过预定的压力值.此时电机负荷急剧增加.传动机械相关零件的负载也会超出设计值,严重时会发生电机烧毁,传动零件断裂.为了避免螺杆泵损坏,一般会在三螺杆泵出口处安装旁通溢流阀,用以稳定出口压力,保持泵的正常运转。5.避免断料:三螺杆泵决不允许在断料的情形下运转,一经发生,橡胶定子由于干磨擦,瞬间产生高温而烧坏,所以,粉碎机完好,格栅畅通是螺杆泵正常运转的必要条件之一,为此,有些螺杆泵还在泵身上安装了断料停机装置,当发生断料时,由于螺杆泵其有自吸功能的特性,腔体内会产生真空,真空装置会使螺杆泵停止运转。5选型问题:三螺杆泵选型时，要尽可能详尽地了解泵的使用条件，除了运行参数，如流量，压力需要清楚以外，输送介质的特性如介质的腐蚀性，含汽量，含固溶物的比率及固体颗粒的大小，以及介质的工作温度，粘度，比重，对材料的腐蚀性等和泵装置的吸入条件，安装条件均要了解，根据我们的经验，三螺杆泵选型时应注意以下几点：

转速的选择Note: 1. The three screw pump speed selection: a linear relationship with three-screw pump flow rate and rotational speed, low relative to the rotating speed of screw pump, high rotational speed of screw pump, although can increase the flow and head but power obviously increase, high speed accelerate the abrasion between the rotor and stator, must make the premature failure of screw pump, and the high speed of the screw pump stator length is short, easy to wear and tear, thus shortening the service life of the screw pump.Through reducer or stepless speed regulation mechanism to reduce the speed, keep to determine speed at three hundred revolutions per minute (the following reasonable range, compared with the high speed of screw pump, can prolong service life of a few times.2. The quality of the screw pump, now in the market is more, the kinds of screw pump, screw pump imported from rational design, excellent material, but the price is higher, the service aspect some do not reach the designated position, accessories price is high, the order cycle is long, may affect the normal running of production.Domestic production of generic mostly imported products, product quality is good and bad are intermingled, when choosing the products of the domestic, considering its cost-effective, choose low rotation speed, long lead, transmission quantity of parts material is good, rated life long product.3. Ensure that stuff does not enter the pump body: wet sludge mixed with solid debris can cause damage to the rubber stator of screw pump, so make sure debris into the cavity of the pump is not very important, a lot of age plant in front of the pump with a grinder, also some installation or mesh grille device, stop the debris into screw pump, the grating should be timely get so as not to cause congestion.4. Maintain a constant outlet pressure: screw pump is a kind of positive displacement rotary pump, when after the outlet is blocked, the pressure will gradually rise, so that more than a predetermined pressure value. The motor load increases sharply. Transmission machinery and related parts load will exceed the design value, serious happens when the motor is burnt, transmission parts fracture. In order to avoid damage of screw pump, typically, bypass the overflow valve is installed on the three screw pump outlet to stable outlet pressure, maintain the normal operation of the pump.5. Avoid cutting: three screw pump must not be allowed in the case of the cutting operation, once happened, the rubber stator due to dry friction, instant high temperature and burn out, so, cing machine in good condition, grille flow is one of the necessary conditions for normal operation of the screw pump, therefore, some screw pump on pump installation end stop device, when cutting, due to the characteristics of the screw pump has a self-priming function, can produce vacuum chamber, vacuum device can make the screw pump stop running.5 selection problem: three screw pump selection, should understand the using condition of pump as much detail as possible, in addition to the operating parameters, such as flow rate, pressure needs to be clear, the characteristics of medium such as corrosive medium, gas content, including ratio of solid solution and the size of the solid particles, as well as the working temperature, medium viscosity, density, corrosion of materials and pump suction conditions, such as the installation conditions are to understand, according to our experience, three screw pump selection should pay attention to the following:The choice of speed

   螺杆磨损五点原因:1、每种塑料，都有一个理想塑化的加工温度范围，应该控制料筒加工温度，使之接近这个温度范围。粒状塑料从料斗进入料筒，首先会到达加料段，在加料段必然会出现干性磨擦，当这些塑料受热不足，熔融不均时，很易造成料筒内壁及螺杆表面磨损增大。同样，在压缩段和均化段，如果塑料的熔融状态紊乱不均，也会造成磨损增快。2、转速应调校得当。由于部分塑料加有强化剂，如玻璃纤维、矿物质或其他填充料。这些物质对金属材质的磨擦力往往比熔融塑料的大得多。在注塑这些塑料时，如果用高的转速成，则在提高对塑料的剪切力的同时，亦将令强化相应地产生更多被撕碎的纤维，被撕碎的纤维含有锋利末端，令磨损力大为增加。无机矿物质在金属表面高速滑行时，其刮削作用也不小。所以转速不宜调得太高。3、螺杆在机筒内转动，物料与二者的摩擦，使螺杆与机筒的工作表面逐渐磨损：螺杆直径逐渐缩小，机筒的内孔直径逐渐加大。这样，螺杆与机筒的配合直径间隙，随着二者的逐渐磨损而一点点加大。可是，由于机筒前面机头和分流板的阻力没有改变，这就增加了被挤塑物料前进时的漏流量，即物料从直径间隙处向进料方向流动量增加。结果使塑胶机械生产量下降。这种现象又使物料在机筒内停留时间增加，造成物料分解。如果是聚乙烯，分解产生的 体加强了对螺杆和机筒的腐蚀。4、 物料中如有碳酸钙和玻璃纤维等填充料，能加快螺杆和机筒的磨损。