Overview and installation and commissioning of used refrigerated centrifuges
Overview and installation and commissioning of used refrigerated centrifuges
About the company:
Second-hand drum rotary dryer, second-hand horizontal screw centrifuge, second-hand storage tank, second-hand filter press, and second-hand condenser sold by the second-hand chemical equipment purchase and sales department are popular in the consumer market, enjoying a higher status among consumers. Home retailers and agents have established long-term and stable partnerships. Dexing second-hand chemical equipment is complete in variety and reasonable in price. Re-credit, abide by the contract, guarantee product quality, with the characteristics of multi-variety management and the principle of small profits but quick turnover, has won the trust of our customers!
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Overview:
Centrifuges, also known as precipitators, are available in separate centrifuges for the separation of suspended solids from liquids, large-scale centrifuges for the concentration and purification of particulates, and centrifuges for low-speed analysis for experimental analysis. Although the types of centrifuges are different, functions can be considered as separation, concentration, purification, and analysis.
A centrifuge is a special instrument that separates and precipitates a mixture (containing solids) by centrifugal force. Commonly used electric centrifuges in the laboratory include low-speed, high-speed centrifuges and low-speed, high-speed refrigerated centrifuges, as well as overspeed analysis and preparation of dual-purpose refrigerated centrifuges.
Installation and commissioning:
The problems that should be paid attention to when installing the centrifuge mainly include:
1. Understand the overall situation of the centrifuge,
The driving method used by the centrifuge: Some centrifuges use double motor drive; some centrifuges use a single motor to drive the drum to produce rotation, and the electromagnetic eddy current differential produces a speed difference; some centrifuges use The drum and the screw are driven by separate hydraulic systems (or the drum is directly driven by the variable frequency motor). Different driving methods have their own advantages and disadvantages. As a user, we must pay attention to the operational problems that may be caused by its shortcomings. Pay attention to the installation during installation, and make specific tests for its shortcomings during debugging to avoid various hidden dangers.
2, pay attention to the installation process, strictly control the quality of the installation when the centrifuge is running at high speed, so it is necessary to keep working under the level. The centrifuges are all installed on site, and the installation conditions are difficult to guarantee. It is likely that the operation vibration in the future will be too large due to improper installation in the early stage, and even the spiral wear will be severe. Therefore, when installing and placing, Zui should pay attention to the whole machine level. Attention should also be paid to the installation of the associated piping and ancillary equipment of the unit.
3. The importance of the previous data records some important raw data, which is beneficial to the equipment to compare with it to understand the wear or aging of the equipment. It is recommended that all types of centrifuges be commissioned at the beginning of the commissioning, recording the time from the start of the single machine (from the time the switch is turned on, the time it takes to flush to the actual operation) and the current at the start of operation. Of course, other corresponding states should also be recorded. During operation, these data should also be monitored. If there is a large deviation from the original data, it should be immediately identified and disassembled to check the internal situation if necessary.
Be sure to pay attention to these problems during installation to ensure the normal use of the centrifuge.
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