A low-pollution discharge sludge resource incineration method and system device
A resource-based, low-polluting technology, applied in combustion methods, emission prevention, incinerators, etc., can solve the problems of high energy replenishment and increased cost, and achieve the effects of reducing toxicity, reducing pollutant emissions, and improving treatment efficiency
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Embodiment 1
[0138] The present embodiment provides a decoupling incineration reactor 5, the decoupling incineration reactor 5 as image 3 FIG dual fluidized bed reactor, comprising a pyrolysis zone in the incineration process loop 51 is connected, light oxygen incineration zone 52, oxygen-enriched incineration zone 53 and the cyclonic separating apparatus 55, defines the molding mixture inlet 51 of the pyrolysis zone, defines pale oxygen incineration zone 52 with an outlet oxygen-enriched incineration air inlet and a chromium-rich bottom slag, chromium rich bottom slag outlet connection mention chromium means 7, defines a concentrated oxygen incineration air inlet 53 oxygen-enriched incineration zone, cyclonic separating apparatus 55 at the top is provided with a flue gas exit temperature, high temperature flue gas outlet connected to gas-solid separator 9, the cyclonic separating apparatus 55 is provided with a bottom outlet hot ash, hot ash outlet 51 connected to the pyrolysis zone, the oxyg...
Embodiment 2
[0140] The present embodiment provides a decoupling incineration reactor 5, the decoupling incineration reactor 5 as Figure 4 As shown in chain grate incineration reactor, comprising a housing, the inner housing along the incineration process is divided into the pyrolysis zone 51 in communication, oxygen pale incineration zone 52 and burning zone 53 the oxygen concentration, the pyrolysis zone 51 where the top of the housing is provided there molding mixture inlet, the bottom of the housing 52 where the incineration zone is provided with a light pale oxygen oxygen incineration air inlet, an oxygen burning light chain grate is provided with air inlets 54, 52 where the light housing incineration zone is also provided with oxygen-rich bottom chromium slag outlet, bottom slag outlet chromium rich chromium external lifting means 7, there are burning oxygen-enriched air inlet and flue gas outlet temperature, high temperature flue gas outlet external gas-solid separator 9 where the upper...
Embodiment 3
[0142] Double fluidized bed reactor (Example 1) As a reaction apparatus for decoupling incineration tannery tannery sludge incineration (sludge containing chromium) powder and a mixture of wet milling (high heat value of the process residues) formed tanning mill sludge and wet powder physical properties as follows:
[0143]
[0144] Sludge incineration method comprises the following steps:
[0145](1) mass ratio of 2.5: 1 mixture of chromium-rich sludge and the resulting residue was heat value of the process water was 44wt%, the heat value 1818.23kcal / kg of the mix, mix into the molding device 2 having diameters of of 3mm molding materials;
[0146] (2) forming the material into the drying apparatus 3, step (Ⅳ) off the smoke gas formed in contact with the heat exchanger and dried to give a moisture content of molded 40wt%, molding the mixture 2063kcal / kg of calorific value, de-gas heat exchanger to cool the smoke 80 deg.] C after forming into the flue gas treatment of spent ...
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