Multi-stage pumps are widely used in petroleum, chemical, metallurgy, electric power and other industries. The correct installation of multi-stage pumps is essential to ensure their normal operation and prolong their service life. The following are some suggestions for the installation of multi-stage pumps by Hunan Sanchang Pump Industry Co., Ltd.

First, choose the appropriate installation location. The installation location of the multi-stage pump should be in a stable, dry, well-ventilated environment, away from vibration sources and high temperature heat sources.

Secondly, the installation needs to ensure the level and verticality of the pump. The levelness and verticality of a multistage pump have an important impact on its operating efficiency and life. During installation, the level and vertical meter should be used for adjustment to ensure the horizontal installation of the pump, thereby reducing friction loss and pump vibration and improving its operating efficiency.

In addition, the installation foundation of the multi-stage pump is also very important. The mounting base should be strong enough to withstand the weight of the pump and the vibration forces generated during operation. Appropriate support and damping devices can be used to reduce the impact of vibration on the foundation.
In addition, the installation process to the correct connection of the import and export pipeline, to ensure that the pipeline and the pump connection is tight and reliable, no leakage. During the connection process, use suitable sealing materials and connectors, and tighten in the correct order and force.

Finally, after the installation is completed, a comprehensive inspection and debugging. Check whether the components are installed correctly and whether they are fastened reliably. For key parts, such as bearings, seals, etc., lubrication and sealing tests should be carried out. During debugging, attention should be paid to the reasonable adjustment of various parameters to ensure the smooth and efficient operation of the pump. In short, the installation of multi-stage pumps is a key link. Only correct installation can give full play to its performance and functions and improve work efficiency.

1. installation steps

1. Assemble the components: Assemble the components according to the requirements of the instructions or drawings, and determine the positions of the drain, vent, and lubrication parts.

2. Install the multi-stage pump: place the multi-stage pump in the installation position, pay attention to the smooth contact between the base of the multi-stage pump and the ground, and the seat surface of the base is perpendicular to the ground.

3. Interface connection: connect the inlet pressure pipe and the outlet pressure pipe. The connecting flange shall be parallel and horizontal without distortion and deformation.

4. cable wiring: according to the multi-stage pump electrical connection diagram wiring, pay attention to the standardization of wiring and reasonable wiring.

5. Water injection and drainage: open the stop valve of the inlet pressure pipe of the multi-stage pump, and introduce clean water (or including the added pump irrigation and drainage liquid) into the pump to avoid abnormal noise caused by pump vibration.

6. Adjust the pump: adjust the frequency converter or on-demand reducer to ensure that the motor of the multi-stage pump works normally and the water flow speed is moderate.

Preparation before 2. installation

1. Determine the installation location of the multi-stage pump: the location where the installation is stable and easy to operate, repair and overhaul should be selected.

2. Confirm the location of the water injection port: the water injection port should be set at the inlet pressure pipe and about 20cm away from the pump to avoid backflow and change the impeller speed of the multi-stage pump.

3. Deal with the inlet pressure pipeline: prepare the pipeline and flange connection part to ensure that the connection part is free of foreign matter or rust.

4. Prepare the power supply and cables: select the appropriate cable according to the power requirements of the multi-stage pump, and ensure that the cable quality is good.

Inspection after 3. installation

1. Check the overall installation of the pump: to ensure that the base of the multi-stage pump is stable and vertical.

2. Check the connection of each pipeline: confirm whether each interface is tightly connected and whether there are abnormal conditions such as abnormal noise.

3. Pump movement test: turn on the power, check whether the motor rotation is stable, whether the sound is normal, whether the pump is leaking, etc.

4. System pressure test: In the experiment, the intelligent instrument records data such as the opening and closing state of the control valve and the water flow. During the test, pay attention to whether there are abnormal conditions such as noise, vibration or high temperature around the system, and deal with any abnormalities in time.

5. Check the wires: Confirm whether the wires are correctly wired and free of damage and other relevant details meet the installation specifications.