Method and device for preparing thermal-process phosphoric acid and recovering thermal energy
A technology for recovering heat energy and thermal phosphoric acid, which is applied in the steam generation method using heat carrier, phosphoric acid, phosphorus oxyacid, etc. Considering the recovery of high-temperature exhaust heat energy and hydration reaction heat, etc., to achieve the effect of ensuring emission standards and saving economic costs
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Embodiment 1
[0039] Every use 1 ton of yellow phosphorus, the quality of oxygen is 1.2 tons of the used yellow phosphorus quality, and described hydration agent is water or different P O The solution of mass fraction, the quality of water in the hydration agent is 0.29 tons of yellow phosphorus quality, The water quality used to prepare the saturated soft water is 1 ton of the yellow phosphorus quality, and the consumption of washing water is 0.29 tons of the yellow phosphorus quality.
[0040] For the microabsorber 2 used, the hydraulic radius of the parallel channel is 0.05mm, the radius of the dispersion hole is 0.01mm, the angle between the axis of the dispersion hole and the axis of the parallel channel is 20°, and the residence time of the material is 1s.
Embodiment 2
[0042] Every use 1 ton of yellow phosphorus, the quality of oxygen is 2.4 tons of the used yellow phosphorus quality, and described hydration agent is water or different P O The solution of mass fraction, the quality of water in the hydration agent is 3 tons of yellow phosphorus quality, The water quality used to prepare the saturated soft water is 10 tons of the yellow phosphorus quality, and the consumption of washing water is 3 tons of the yellow phosphorus quality.
[0043] For the micro-absorber 2 used, the hydraulic radius of the parallel channel is 5mm, the radius of the dispersion hole is 1mm, the angle between the axis of the dispersion hole and the axis of the parallel channel is 55°, and the residence time of the material is 30s
Embodiment 3
[0045] Every use 1 ton of yellow phosphorus, the quality of oxygen is 2.6 tons of the used yellow phosphorus quality, and described hydration agent is water or different P O The solution of mass fraction, the quality of water in the hydration agent is 6 tons of yellow phosphorus quality, The water quality used to prepare the saturated soft water is 20 tons of the yellow phosphorus quality, and the consumption of washing water is 6 tons of the yellow phosphorus quality.
[0046] For the micro-absorber 2 used, the hydraulic radius of the parallel channel is 10 mm, the radius of the dispersing hole is 2 mm, the angle between the axis of the dispersing hole and the axis of the parallel channel is 90°, and the residence time of the material is 60 s.
[0047] Through the tests of Examples 1, 2, and 3, the above-mentioned test data can have a relatively good test structure, which meets the production requirements of thermal phosphoric acid and is conducive to the generation of heat of...
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