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Is the choice of a centrifugal pump or a volumetric pump in a pharmaceutical laboratory?
Performance: In order to be able to select the type of pump that is suitable in the pharmaceutical laboratory, it is necessary to have a deep understanding of its performance and understand the difference in its specific working principle. To this end, we must understand that the centrifugal pump is dependent on the pressure (or The variable flow phenomenon of the indenter, while the positive displacement pump has a more or less constant flow phenomenon independent of the pressure. Viscosity:...
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How to clean the battery cooling system of new energy vehicles?
The battery cooling system of the new energy model first unscrews the three screws on the upper part of the wet curtain, holds the louvers on the upper part of the wet curtain, gently pulls the wet curtain outward and then lifts it up slightly to remove the wet curtain. Then remove the top cover and the water distribution pipe assembly, unscrew the screw on the top cover, lift the top cover up, remove the hose clamp on the water pipe cooling fan and loosen the water supply pipe. The assembly ...
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Refrigeration heating circulator list resonance fault description
Refrigeration heating circulator leaderboard works: When the temperature of the reactor, reactor, rotary evaporator, extraction equipment, etc. of the refrigeration heating circulator needs to be rapidly increased or lowered, the equipment can quickly reach the set temperature. LNEYA's refrigeration and heating circulator list adopts a fully enclosed circulation system to avoid high temperature oil mist odor and low temperature absorption of moisture, which ensures that the working environmen...
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How to use multiple reactors for high and low temperature integrated machine
Multiple reactors high and low temperature integrated machine temperature control system will be connected with thermal conductive synthetic oil and power supply before use, and multiple reactor high and low temperature integrated machine temperature control system outlet port will be connected with the second field inlet, and the circulation device inlet port will be connected. It is connected to the second field exit to make it a closed loop system. Multiple reactors high and low temperatur...
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Ultra-high temperature material cold and hot impact box refrigeration oil
The ultra-high temperature material impact test chamber test device has too much frozen oil in the evaporator, which can also cause insufficient cooling and cause slow cooling. The oil stored in the evaporator of the ultra-high temperature material impact test chamber test device can be directly judged by the hot and cold boundary line of the oil surface. If the oil level is too high, it should be released in time. Some Freon and refrigerating machine oil dissolve each other. Therefore, when ...
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Selection of electrical components for rapid temperature change test chamber
How to install and debug the electrical of the rapid temperature change test chamber? Need to refer to the following methods for power distribution, pay attention to the capacity of the power supply, do not use a single power supply for multiple equipment, so as to avoid voltage instability, affect the performance of the rapid temperature change test chamber machine, and even cause rapid temperature change test chamber failure shutdown. According to the incoming power supply wiring of the rap...
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Advantages of LNEYA heat transfer oil heater
The heat transfer oil electric heater is a new type of thermal energy conversion device that uses electricity as the energy source and heat transfer oil as the heat transfer medium. It can provide circulating heat transfer oil of circulating pump to carry out repeated heating to reach the required heating temperature, to achieve the required temperature control process and high precision temperature control precision. Compared with traditional coal, diesel and gas boilers, heat transfer oil h...
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Characteristics of the evaporator of LNEYA screw chiller
The amount of cooling capacity of the screw chiller is directly related to the energy consumption and operational economics of the entire unit, which is worthy of attention. Especially when designing a cold station, there is no single chiller in the general situation. This is mainly because when the screw chiller fails or is shut down for maintenance, it will not stop production. Instead, the reasonable unit should be selected according to the production situation. The number of units. When t...
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LNEYA hot and cold machine SUNDI manual
The temperature range of the hot and cold machine ranges from -120 ° C to 350 ° C. It has superior performance and unique performance. It has high precision and intelligent temperature control. The high cooling power is from 0.5 to 1200 kW. High production stability and repeatability result. Functional alarm system and safety functions, using plate heat exchangers, ducted heaters to increase heating and cooling rates. The hot and cold machine adopts 7-inch, 10-inch color TFT touch screen grap...
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Factors affecting cooling capacity during temperature control of battery test equipment
Battery Test Equipment Refrigeration System The greater the power of the battery test equipment compressor, the higher the cooling capacity. According to the size of the battery test equipment, the compressors of different types are selected. For example, the small battery test equipment is piston type, and the medium type is optional. Scroll type. When the water temperature of the battery test equipment (the evaporation temperature is different, the cooling capacity is different), the higher...
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