The horizontal single-stage centrifugal pump is a type of centrifugal pump, which is named because its main structure is horizontal. The pump has the advantages of small flow, high head, simple structure, convenient operation and maintenance, etc., and is widely used in chemical, petroleum, pharmaceutical and other fields. This article will introduce in detail the characteristics, working principle, application scenarios and selection precautions of horizontal single-stage centrifugal pumps.
1. Characteristics of horizontal single-stage centrifugal pump.
The horizontal single-stage centrifugal pump is mainly composed of pump body, impeller, shaft, bearing, seal, etc. Its features are as follows:
1.The flow rate is small and the head is high. The horizontal single-stage centrifugal pump has a wide head range of up to 1000 meters, which can meet the needs of conveying liquids at different heights. At the same time, its flow rate is small, which is suitable for occasions with small flow and high head.
2.Simple structure, easy operation and maintenance. The structure of the horizontal single-stage centrifugal pump is relatively simple, mainly composed of several main components, which is easy to install and maintain. In addition, the pump adopts a direct-coupled transmission, and the rotating part is integrated with the pump body, which is easy to maintain and easy to ensure sealing.
3.Smooth operation and low noise. The horizontal single-stage centrifugal pump runs smoothly, with low vibration and low noise, which can ensure the smoothness of conveying liquid.
4.Wide range of applications. The horizontal single-stage centrifugal pump is suitable for conveying all kinds of corrosive liquids, such as acids, alkalis, etc., and is also suitable for conveying flammable, explosive and toxic liquids.
Second, the working principle of horizontal single-stage centrifugal pump.
The working principle of a horizontal single-stage centrifugal pump is mainly based on the action of centrifugal force. When the motor drives the impeller to rotate, the blades in the impeller drive the liquid to rotate together, generating centrifugal force. Under the action of centrifugal force, the liquid is thrown from the center of the impeller to the edge, gaining energy and pressure at the same time. Specifically, when the liquid has gained enough energy in the impeller, it is collected along the casing channel through the volute and finally discharged from the outlet of the pump. In this process, the pressure and velocity of the liquid are increased, which enables the transfer of the liquid.
3. Application scenarios of horizontal single-stage centrifugal pumps.
Due to the above characteristics of horizontal single-stage centrifugal pumps, their application scenarios are wider. Here are a few common application scenarios:
1.Chemical industry. In the chemical industry, horizontal single-stage centrifugal pumps can be used to transport corrosive liquids such as acids and alkalis. At the same time, due to its simple structure and convenient maintenance, it is also suitable for various auxiliary processes in the chemical production process.
2.Pharmaceutical industry. In the pharmaceutical industry, horizontal single-stage centrifugal pumps can be used to convey liquids such as APIs, solvents, etc. Due to its hygienic and safe delivery of liquids, it also complies with the relevant standards and norms of the pharmaceutical industry.
3.Petroleum industry. In the petroleum industry, horizontal single-stage centrifugal pumps can be used for drilling, oil production and other occasions. Due to its high head and small flow rate, it can meet the needs of the petroleum industry for high head and small flow.
4.Other areas. In addition to the above fields, horizontal single-stage centrifugal pumps are also widely used in environmental protection, food, electric power and other industries. Horizontal single-stage centrifugal pumps play an important role in these industries.
Fourth, the selection of horizontal single-stage centrifugal pump precautions.
When choosing a horizontal single-stage centrifugal pump, the following factors need to be considered:
1.The nature of the liquid being conveyed. Factors such as the corrosiveness, viscosity, and solid particle content of the liquid need to be considered in order to select the appropriate material and sealing method.
2.Flow rate and head. It is necessary to select the appropriate flow rate and head according to the actual needs to ensure the effect and efficiency of conveying liquids. At the same time, it is necessary to pay attention to the matching relationship between flow and head to avoid the situation of "big horse-drawn cart" or "small horse-drawn cart".
3.Installation and maintenance. It is necessary to consider how the equipment is installed and the cost of maintenance, so that it can be easily maintained and serviced during use. At the same time, it is necessary to pay attention to the size and weight of the equipment in order to arrange the space and manpower reasonably.
4.* and brand credibility. When choosing equipment, you need to consider factors such as ** and brand reputation, so as to choose cost-effective products and services. At the same time, it is necessary to pay attention to the differences and characteristics between different brands, so as to choose according to actual needs.