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Briefly introduce the working principle of low temperature coolant circulation pump
  • Release date: 2019-10-29 Views: 304
    • The working principle of the low-temperature coolant circulation pump is as follows:
      First, let's talk about the working mode of the equipment in the pump body. When the pump is in use, the pump body is filled with water first, and the high-speed rotation of the electric motor drives the water pump impeller to rotate at high speed. Therefore, the water in the impeller also It also rotates with it. Under the action of the centrifugation in the pump body, the liquid is discharged through the outlet pipe. After the water is discharged, a vacuum is formed near the rotating shaft in the pump casing.
      When the pump is filled with water, centrifugal force is generated when the impeller rotates. The reduction of the impeller center pressure is due to the centrifugal force of the water in the impeller channel, which is thrown around the periphery and flows into the pump casing. This pressure is generally lower than the pressure in the steam inlet pipe. Impeller. In this way, the pump can continuously absorb water and supply water continuously.
      The low-temperature coolant circulation pump adopts the compressor refrigeration method, which can directly cool test tubes, reaction bottles, etc. for low-temperature chemical reactions and low-temperature storage of chemicals and biological products. It can also be combined with rotary evaporators, glass reactors, vacuum drying boxes, and circulating water. It is widely used in vacuum pumps, etc., and is also widely used in low temperature tests.
      Product features of low temperature coolant circulation pump :
      [1] The working area of the low-temperature coolant circulation pump is made of stainless steel to prevent rust, corrosion and low-temperature pollution.
      [2] The large-capacity open bath is integrated with the external circulation, which can cool the experimental container outside the thermostat or establish a second constant temperature field.
      [3] Air-cooled fully-enclosed compressor refrigeration, microcomputer intelligent control refrigeration system automatically turns on, the refrigeration system has multiple protection devices such as time delay, overheating, overcurrent, etc.
      [4] The large screen LCD displays the temperature set value and temperature measurement value, the digital display resolution is 0.1 ℃, and the microcomputer can correct the deviation of the temperature measurement value, so that the digital display accuracy reaches 0.1 ℃.
      [5] All the above operations are completed by pressing the touch soft key on a microcomputer intelligent controller. The product is easy to use and can work continuously.
      [6] The humanized design drain valve is standard.
      The low-temperature cooling liquid circulation pump uses a low-temperature liquid circulation device of a compressor refrigeration method. It is a high-precision constant temperature source with built-in refrigeration, and has the effect of a small chiller. It is widely used in petroleum, testing, metallurgy, biochemical, chemical, physical properties, medicine and chemical analysis research departments, colleges and universities, factory laboratories and metrological quality inspection departments.
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