GR 进口罗茨真空泵

进口罗茨真空泵又称机械增加泵，是一种容积式干式真空泵。该泵主要由一对同步高速旋转的“8”字形转子与两个半圆形泵腔组成。

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英国GRIMM格林进口罗茨真空泵 UK GRIMM imported roots vacuum pump

英国GRIMM格林进口罗茨真空泵概述：

进口罗茨真空泵又称机械增加泵，是一种容积式干式真空泵。该泵主要由一对同步高速旋转的“8”字形转子与两个半圆形泵腔组成。其原理和罗茨鼓风机相似，可以作为增加泵使用，但它不能单独地直接把气体排到大气中去，必须与前级泵串联使用。在前级泵进气口前面串联上罗茨真空泵组成机组可提高前级泵的真空度，在有效工作范围内可大大提高抽气速率。罗茨真空泵的限压力由前级泵决定，表中数据以螺杆真空泵为前级泵时的zui低限压力。罗茨泵广泛使用于真空浇铸、真空熔炼、真空脱气、真空镀膜行业及化工医药行业的真空蒸馏、真空干燥等。泵对小量灰尘不敏感。
进口罗茨真空泵是在50Torr-micron高真空范围具有较大抽速且成本较低的设备，它可以与各种真空泵结合组成真空机组。所有产品在出厂前都作动平衡和泄露测试。罗茨真空泵已经在制造市场得到了广泛的应用，如：化工、石化、塑料、半导体、木料混合物、食品处理、真空炉等。

英国GRIMM格林进口罗茨真空泵特点：

1、转子与泵体、侧盖，转子与转子间均有间隙，互不接触，因此：
A、泵腔各运动零件互想之间没有摩擦，因此功率消耗小，运转维护费用低，节能效果显著。
B、泵腔内各运动零件互相之间不需要油润滑与密封，避免了油蒸汽返流对真空系统造成污染。
C、罗茨真空泵对被抽气体中所含的少量粉尘不敏感。
2、转子具有良好的几何对称性，运转平稳，振动小、噪音低，直联传动转速高，体积小，重量轻。
3、罗茨真空泵的泵腔内不发生象其它机械真空泵那样具有内部压缩现象，因此其不需要排气阀，所以当它的前级泵采用水环真空泵时，可以抽除含有大量水蒸汽的气体。
4、起动快，能在短时间内达到限真空，抽气效率较高。
5、泵在很宽的压力范围内（1.3X10³～1.3Pa），有较高的抽气效率，能讯速排出突然放出的气体，弥补了扩散泵和油封机械泵在1.3X10³～1.3Pa时抽气效率低的缺陷。
6、工作可靠，耐用：泵腔内各摩擦副均有良好的润滑，轴承与泵腔隔开，泵轴在轴封处装有轴套，因此主轴不会磨损，轴套磨损后可以调头继续使用。采用立式结构，皮带张力与泵皮带轮重力相抵消，轴承负荷较小，寿命较长。各主要件设计合理，大油箱结构，利于油气分离与冷却，并具储油量多，对油内所含的杂物有较好的自分离较果，根据工况，还可以配置带滤网堵塞旁路自动接通过滤器，以及油路油流通显示装置，因此泵可长时间的工作使用寿命较长，能在较恶劣的工况下工作。
7、体积小，重量轻：设计转速适中，结构紧凑合理，泵腔内外部的利用率达zui高，外形简洁体积小。

英国GRIMM格林进口罗茨真空泵工作原理：
进口罗茨真空泵，在泵腔内，有二个“8”字形的转子相互垂直地安装在一对平行轴上，由传动比为1的一对齿轮带动作彼此反向的同步旋转运动。在转子之间，转子与泵壳内壁之间，保持一定的间隙，可以实现高转速运行。由于罗茨泵是一种无内压缩的真空泵，通常压缩比很低，故需要前级泵。罗茨泵的限真空处取决于泵本身结构和制造精度外，还取决于前级泵的限真空。为了提高泵的限真空度，可将罗茨泵串联使用。

罗茨泵的工作原理与罗茨鼓风机相似。由于转子的不断旋转，被抽气体从吸气口吸入到转子与泵壳之间的空间Vo内，再经排气口排出。由于吸气后Vo空间是全封闭状态，所以，在泵腔内气体没有压缩和膨胀。但当转子顶部转过排气口边缘，Vo空间与排气侧想通时，由于排气侧气体压强较高，则有一部分气体返冲到空间Vo中去，使气体压强突然增高。当转子继续转动时，气体排出泵外。

英国GRIMM格林进口罗茨真空泵技术参数：

抽 气 量：30-1200L/s
限真空：5×10^-2Pa
转 速：1450-2900r/min

功 率：0.75-11kw
口 径：进口直径：50-250mm
出口直径：40-200mm

英国GRIMM格林进口罗茨真空泵适用范围：

广泛应用于真空冶金工业的真空脱气真空冶炼，钢水真空处理级热处理等方面，也可以用于化工、食品、医药、电机制造等工业，特别需要指出，当它的前级泵采用双级水环泵时，能抽除含有大量水蒸气，因此，它又适用于蒸馏、蒸发、冷冻、干燥等生产过程......。

UK GRIMM imported roots vacuum pump summary:

imported roots vacuum pump, also known as mechanical increase pump, is a kind of displacement type dry vacuum pump. The pump is mainly composed of a pair of synchronous high-speed rotating 8 - type rotors and 2.5 round pump cavities. The principle is similar to that of Roots blowers. It can be used as an additional pump, but it can not be directly discharged into the atmosphere by itself. It must be used in tandem with the front pump. In front of the inlet of the front pump, the roots vacuum pump is connected in series to form a unit, which can improve the vacuum degree of the front stage pump, and greatly increase the pumping speed in the effective working range. The limit pressure of the roots vacuum pump is determined by the front pump. The data in the table is the lowest limit pressure of the screw vacuum pump. Roots pump is widely used in vacuum casting, vacuum melting, vacuum degassing, vacuum coating industry and chemical and pharmaceutical industry vacuum distillation, vacuum drying, etc.. The pump is insensitive to small amounts of dust.

imported roots vacuum pump is a kind of equipment with high pumping speed and low cost in the high vacuum range of 50Torr-micron. It can be combined with various vacuum pumps to form a vacuum unit. All products are tested for dynamic balancing and leakage before leaving the factory. Roots vacuum pump has been widely used in the global manufacturing market, such as: chemical, petrochemical, plastic, semiconductor, wood mixture, food processing, vacuum furnace and so on.

UK GRIMM imported roots vacuum pump characteristic:

1. The rotor and pump body, side cover, rotor and rotor gap between each other, and therefore do not contact each other:

A.There is no friction between the moving parts of the pump and the pump body of the A, so the power consumption is small, the operation and maintenance cost is low, and the energy saving effect is remarkable.

B.Each moving part in the pump cavity does not need oil lubrication and sealing, so the backflow of the oil vapor is avoided, and the vacuum system is polluted.

C.Roots vacuum pump is not sensitive to a small amount of dust contained in the gas to be pumped.

2. The rotor has good geometric symmetry, smooth operation, small vibration, low noise, straight drive speed, small size, light weight.

3. The pump cavity roots vacuum pump with internal compression phenomenon does not occur as the other mechanical vacuum pump, so it does not need the exhaust valve, so when it pump before the water ring vacuum pump, pumping can contain large amounts of water vapor gas.

4. Quick start, in a short time to reach the limit vacuum, pumping efficiency is higher.

5. Pump in a wide pressure range (1.3X10³ ~ 1.3Pa), the pumping efficiency is high, can quickly exhaust gas suddenly released, to make up for the diffusion pump and seal mechanical pump in the defects of 1.3X10³ ~ 1.3Pa low pumping efficiency.

6. Work reliable and durable: pump cavity friction pairs are good lubrication, bearing and pump separation, the pump shaft in the shaft seal is equipped with bushings, so the main shaft will not wear, sleeve wear can be turned back to continue to use. With vertical structure, belt tension and pump belt wheel gravity offset, bearing load smaller, longer life. The main parts of large tank structure, reasonable design, favorable for oil and gas separation and cooling, and the oil, the oil containing of debris in the well since the separation is more fruit, according to the working condition, but also can be configured with automatic filter bypass filter plug, and the oil circulation display device, so the pump can be long the service life is long, can work in harsh conditions.

7. Small size, light weight: design speed moderate, compact and reasonable structure, the pump cavity inside and outside the utilization rate reached the highest, concise appearance, small size.

UK GRIMM imported roots vacuum pump working principle:

imported roots vacuum pumps, in the pump cavity, there are two "8" shape of the rotor perpendicular to each other on a pair of parallel axis, by a transmission ratio of 1 of a pair of gear belt action synchronous reverse movement of each other. In the rotor, between the rotor and the pump shell wall to maintain a certain gap, you can achieve high speed operation. Since the roots pump is a vacuum pump without internal compression, the compression ratio is very low, so it needs the front pump. Roots pump limit vacuum depends on the pump itself structure and manufacturing accuracy, but also depends on the pre - pump limit vacuum. In order to increase the limit vacuum of the pump, the roots pump can be used in series.

The working principle of roots pump is similar to roots blower. As the rotor continues to rotate, the gas is pumped from the suction port to the space between the rotor and the pump housing Vo, and then discharged through the exhaust port. Since the Vo space is fully enclosed after inhalation, the gas in the pump cavity does not compress and expand. But when the top of the rotor turns off the edge of the exhaust and the Vo space and the exhaust side are figured out, the gas pressure at the exhaust side is higher, and a part of the gas flows back into space Vo, causing the gas pressure to suddenly increase. As the rotor continues to rotate, the gas is expelled from the pump.

UK GRIMM imported roots vacuum pump technical parameter:

Gas output: 30-1200L/s

Limit vacuum: 5 * 10-2Pa

Speed: 1450-2900r/min

Power: 0.75-11kw

Caliber: Inlet diameter: 50-250mm

Outlet diameter: 40-200mm

UK GRIMM imported roots vacuum pump scope of application:

Vacuum degassing vacuum smelting is widely used in vacuum metallurgy, vacuum treatment of molten steel level aspects of heat treatment, can also be used for chemical, food, medicine, motor manufacturing industry, in particular, when the pump before it adopts two-stage water ring pump, pumping with large amount of water vapor, therefore. It is also suitable for distillation, evaporation, freezing, drying and other production processes.......

进口罗茨真空泵：/product/2018-5-10/1354.html

GRIMM：

上海秉奇阀门有限公司为GRIMM公司在的总代理，是拥有GRIMM代理权及销售权，主要为地区客户提供服务与技术支持，同时，秉奇人员也积参与总部技术培训学习，并不断掌握产品原理、实际运作、工程技术做为基石，完善对地区客户需求。

关于GRIMM：

英国格林（GRIMM）有限公司是亚太地区流体控制领域的主要生产和供应商之一，公司总部位于克莱福德，拥有一支有经验的研发队伍，实行统一设计，统一标准，在水泵领域内处于ling先地位。在许多个均有生产水泵基地，由上海秉奇阀门负责市场各项业务与技术支持中心，同时向市场销售。

英国格林（GRIMM）产品已广泛应用于市政给排水、建筑、石油、化工、液化气、食品、制药、发电、冶金、矿产、锅炉蒸汽系统、压力容器、原子能、航空、火箭等各领域，以及人们日常生活中。

英国格林（GRIMM）主要产品有：管道泵、离心泵、隔膜泵、磁力泵、真空泵、潜水泵、排污泵、计量泵、卫生级泵、罗茨风机等系列产品。

服务体系：

GRIMM品质：

GRIMM公司注重产品质量及使用寿命，全部采用制造技术和生产设备，并坚持不懈研发新产品，为确保不间断的全过程质量控制，在生产过程中采用(SPC)过程控制和(TQM)质量管理；GRIMM的严格规范实现了不让品质拖节，有效保障产品每个细节达到的性能指标。

GRIMM专业：

掌握核心的流体控制技术，提供市场ling先的产品、服务和解决方案，帮助用户提率，带来至关重要的基础设施。

GRIMM服务：

我们与用户紧密合作，支持一系列系统使用技术和文件报告，提供售前、售中、售后服务和技术支持，有了您的信任与支持，我们将更完善、更提供水泵流体技术方案。

GRIMM china:

Shanghai Bingqi Valve Co., Ltd. for GRIMM company general agent in China, is China with GRIMM proxy and sales rights, provide service and technical support, mainly for Chinese customers at the same time, will also actively participate in the training of technical personnel of butterfly learning headquarters, and continue to grasp the product principle, practical operation and Engineering Technology based on customer demand, improve the Chinese area.

about GRIMM:

Uk GRIMM International Co., Lid is the field of fluid control in the Asia Pacific region is one of the main production and suppliers, the company headquarters is located in Clay Forde, has an experienced R & D team, the implementation of a global unified design, unified standards, a leading position in the field of water pump. In many countries, there are production pump base, China by the Shanghai Bingqi valve, responsible for the Chinese market business and technical support center, while selling to the Chinese market.

Uk GRIMM products have been widely used in various fields for municipal drainage, construction, petroleum, chemical, gas, food, pharmaceutical, power generation, metallurgy, mining, boiler steam system, pressure vessel, atomic energy, aerospace, rockets, and people's daily life.

Uk GRIMM the main products are: pipeline pump, centrifugal pump, diaphragm pump, magnetic pump, vacuum pump, submersible pumps, sewage pumps, metering pumps, sanitary pump, blower and other products.

Service system:

GRIMM quality:

GRIMM company pays attention to product quality and service life, all adopt the advanced manufacturing technology and production equipment, and unremittingly research and development of new products, the whole process of quality control to ensure uninterrupted, used in the production process (SPC) process control (TQM) and total quality management; strictly regulate the implementation of GRIMM has not let the quality drag day, effectively guarantee the performance of each product details.

GRIMM major:

Fluid control technology master core, market leading products, services and solutions that help users improve efficiency, bring critical infrastructure.

GRIMM service:

We work closely with the user, support a series of system using technology and file reports provide pre-sale, sale, customer service and technical support services, with your trust and support, we will be more perfect and more efficient to provide technical solutions of fluid pump.

英国格林总代理商：上海秉奇阀门有限公司，咨询：

Uk GRIMM total agents: Shanghai Bingqi Valve Co., Ltd., WeChat Advisory:

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