Weidron Pumps explains stainless steel rotor pumps

Rotor pump, also known as gel pump, clover pump, soles pumps. How it works: rely on two synchronous reverse rotation of the rotor (2-4 teeth) in the process of rotation in the suction (vacuum) at the inlet to inhale the material to be transported. The two rotors divide the rotor chamber into several small spaces and operate in the order of a → b → c → d. Run to position a, only Ⅰ room is full of medium; to position b, B room closed part of the medium; to the location C, Room A also closed the media; to position d, Room A Room B and Ⅱ Room connected, the media is delivered to the discharge port. So cycle back and forth, the media (material) that is continuously transported out. Rotor pump features: 1. Compared with centrifugal pump (milk pump): Centrifugal pump due to its simple structure, low cost and has been widely used. It is compared with the rotor pump mainly the following differences: a) The rotor pump is a positive displacement pump, the delivery flow can be more precise control can also be easily made of variable displacement pump. Centrifugal pump output flow can not be controlled, with the decline in resistance increases; rotor pump has a strong self-priming capability, while the centrifugal pump must be filled with liquid before operation. b) Rotor pump speed is very low, usually between 200rmp to 600rmp, the delivered material is smoothly output and its components will not be damaged. Centrifugal pump speed is high, the material being transported by a strong impact and the role of centrifugal force, so the centrifugal pump in the delivery of the mixture often have different substances in the composition, so that the quality of finished products. The universal pump is the best solution to this problem, so it is particularly suitable for conveying mixed materials and even the material containing solid particles. c) Rotor pump can be used to transport high viscosity substances, so also called gel pump. The centrifugal pump without this feature. d) The rotor pump can be easily made of high output pressure species, such as 150kgf / cm2, suitable for long-distance or high-resistance quantitative delivery. e) Rotor pump production more complicated and sophisticated, high cost, which is its biggest feature compared with the centrifugal pump. 2. Compared with the screw pump (thick pump): Both the same volume pump, so its performance is similar - can be stable delivery of high viscosity substances, have a higher delivery pressure.But screw pump has its biggest drawback in the decision Inapplicability to hygienic requirements - due to the non-streamlined surface of the screw and the numerous stagnation points in the chamber, it is unlikely that it will be a hygienic pump with damage to the PTFE or rubber material in the chamber wall more likely to be caused by the substance being delivered However, the rotor pump is not suitable for the rotor pump because of the streamline structure of the rotor and basically no dead spots and nonmetallic parts in the rotor chamber, so strictly speaking, the rotor pump is more suitable for applications such as food and beverage, medicine and other hygienic requirements, especially Today's production lines are becoming more and more automated, with more and more online (in-situ) cleaning (CIP), demonstrating the importance of choosing a rotor pump. Use: 1. Food industry: yogurt, chocolate, syrup, cheese, wort, beer, soda water jelly pudding fruit juice drink ketchup fruit paste vegetable paste pudding prizes jelly flavoring fruit filling sweetener, Yeast, seasonings, bakery, meat emulsion, minced meat, meat oil, edible oil, candy, syrup, cream, chocolate, etc. 2. Daily use industry: facial lotion, hair gel, hair dye, , Toothpaste, detergent, shampoo, shoe polish, cosmetics, essence, soap, balsam, etc. 3. Pharmaceutical Industry: Various types of Paste, emulsifier, syrup, Powder, royal jelly, vaccine 4. Chemical industry: fats, solvents, resins, polymers, paints, pigments, dyes, coatings, lubricants, greases, petroleum agents, emulsified asphalt, adhesives, spices, explosives, FRP , Leather, etc .. 5. Construction industry: all kinds of coatings, including inside and outside the stingy coating, anti-corrosion waterproof coating, ceramic coating, paint coating, ceramic material, etc. 6. Other industries: material industry, textile industry, paper industry, Narai materials, bio-chemical industry, etc. Special structure: 1. Butterfly rotor pump: Because of the butterfly rotor, In addition to its general features having a pump rotor, which during transport of high viscosity and larger particles containing material, has certain advantages, especially for viscous materials can be effectively conveyed. 2. Single-curve curved rotor pump (particle rotor pump): This series pump is designed to solve the delivery of large particles containing materials designed and manufactured, and its unique shape and curve to make it capable of conveying large particles containing materials It has incomparable superiority in other pumps. It can effectively prevent the particles from being damaged in the process of transporting materials. It is the first choice of conveying pump with particle material. The choice of transmission: 1 motor + fixed deceleration than the cider: This drive is simple, the rotor speed is constant. It also determines the flow rate of non-adjustable. 2 motor + mechanical friction CVT: the transmission of Speed ​​by manual adjustment to achieve, which is characterized by safe, reliable, large torque, flow rate adjustable. The disadvantage is that non-automatic adjustment is more troublesome, speed control in the process of running, not in the shutdown state speed, the use of maintenance reference The manufacturer's instructions. 3 variable frequency motor + inverter: This method can achieve the automatic adjustment of speed, that is to achieve the flow of stepless adjustment. The advantage of high degree of automation. Low-speed torque larger. The disadvantage is that the inverter The price is higher, the use of maintenance reference to the manufacturer's instructions.

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