Heat exchanger with spiral plate design is formed by steel plate bundle as a whole, forming two identical spiral channels. Two heat transfer medium are meant to meet a counter-current flow, to greatly enhance the heat exchange effect.
It will work well for steam-steam, steam-liquid, liquid-liquid heat transfer, which is applied in chemical, petroleum, solvent, medicine, food, light industry, textile, metallurgy, coking and other industries. The structure is divided into non-detachable spiral Plate Heat Exchanger and detachable spiral plate heat exchanger, according to different customers` requirements.
Most of the time, SS304 is the main material. It protects the exchanger from corrosion over time, while ensuring great transfer efficiency. Pressure range 1.0MPa~2.5MPa also gives the plate heat exchanger a certain bearable requirements.
Distance column, special steel bar inside of the spiral plate heat exchanger, also contributes to its stable connection between plates, and also offers a turbulence flow among the channel for efficiency consideration.
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Calorimeter use additives should pay attention to the problem:
1) The known calorific value of benzoic acid, standard coal, and mirror paper can all be used as additives.
2) The tested coal sample and additives should be mixed evenly to keep the sample uniform.
3) The sum of the weights of the tested coal samples and additives should be about 1 gram, and the total calorific value should not be lower than 18000J, nor should it be higher than 30000J.
4) Before the experiment, enter the calorific value (J/g) of the additive in the calorific value of the additive set in the system. When testing, enter the weight of the additive in the corresponding column. At the end of the test, the microcomputer calorimeter will automatically subtract the calorific value of the additive from the result.
Calorimeter barrel level is not enough:
Solution: (1) The drain valve leaks, clean or replace the drain valve to prevent plugging (2) The outer bucket is not pumped full of water. The outer bucket pump is full and cannot overflow.
Use of Calorimeter Additives
Calorimeter when using additives, in order to not affect the normal use of the calorimeter, operation, usually need to pay attention to the following questions: