Sustained, controlled-release fertilizer constant temperature quick nutrient leaching instrument
A controlled-release fertilizer and leaching technology, which is applied in the field of constant temperature and rapid nutrient leaching instruments, can solve the problems of high price, complicated and cumbersome installation, and difficulty in maintaining constant temperature, so as to reduce the trouble of cleaning, reduce evaporation loss and error Effect
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[0008] Examples see figure 1 , Slow and controlled release fertilizer constant temperature and rapid nutrient extraction instrument is a rectangular parallelepiped, the outer layer is made of stainless steel metal material or carbon steel sprayed material, the outer shell (9), the inner layer is made of stainless steel metal material, the constant temperature water tank (6), the middle Fill asbestos or aluminum silicate insulation material. An electric heater (5) is installed in the constant temperature water tank, which is a stainless steel electric heating tube. The working state of the electric heater is controlled by a silicon controlled temperature controller (10). There are sample extraction cups (2) made of stainless steel in the constant temperature water tank, and the number ranges from 1 to 18. Each extraction cup is equipped with a temperature control sensor (4) and a stainless steel sample mesh bag (13). The temperature of the extract in the extraction cup is disp...
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