COD digester and application method thereof
A digester and shell technology, applied in the field of COD digesters, can solve the problems of trouble, the reflux condenser is easy to get hot, the condensation effect of the reflux condenser is deteriorated, etc., and achieves a good effect, stable condensation effect and enhanced stability. Effect
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Embodiment 1
[0041] A COD digester, such as figure 1 As shown, it includes a base 1 , a bracket 2 fixed on the base 1 and a mount 3 fixed above the bracket 2 . The base 1 is provided with a heating electric furnace plate 4 on which a digestion bottle 5 is placed, and the heating electric furnace plate 4 is used to heat the digestion bottle 5 after being energized. The bracket 2 is four uprights distributed in a square shape, and the uprights are all fixedly connected to the front and rear end surfaces of the mounting seat 3 . The mounting base 3 is provided with several mounting holes 6 along the vertical direction, the mounting holes 6 are provided with a reflux condenser pipe 7 , and the lower end of the reflux condenser pipe 7 is connected with the digestion bottle 5 .
[0042] Such as figure 2 , image 3 As shown, the reflux condenser tube 7 is arranged in the shape of a circular tube, and the lower end of the reflux condenser tube 7 is tapered to facilitate insertion into the dige...
Embodiment 2
[0049] A method for using a COD digester, comprising the following steps:
[0050] S1, block the lower end of the reflux condenser pipe 7 with a plug, insert the lower end of the reflux condenser pipe 7 into the cooling liquid so that the cooling liquid is filled into the groove 11, then take out the reflux condenser pipe 7, and insert the lower end of the reflux condenser pipe 7 After the outer wall is wiped clean, remove the plug;
[0051] S2, add the liquid to be detected into the digestion bottle 5, and then put it on the heating plate 4, and then pass the reflux condenser tube 7 through the installation hole 6, so that the lower end of the reflux condenser tube 7 is inserted into the digestion bottle 5 and the digestion bottle 5 Sealed connection, the height of the lower casing 32 is adjusted by the adjustment assembly 12, so that the lower end surface of the lower casing 32 is higher than the mouth of the digestion bottle 5 within 10 mm;
[0052] S3, start heating the e...
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