Flue gas hardness reducing apparatus and use method thereof
A flue gas and gas technology, applied in chemical instruments and methods, complex/solubilizer treatment, special treatment targets, etc., can solve the problems of high operating costs, large investment costs, and not being popularized and used
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Embodiment 1
[0039] Embodiment one: as attached figure 1 As shown, the flue gas dehardening device includes a mixer 1, a fan 2 and a reactor 3. A shower is installed on the inside of the top of the reactor 3, and an air inlet connected to the reactor 3 is provided at the lower left end of the reactor 3. Chamber 4, the upper left end of the reactor 3 is provided with a water inlet chamber 5 communicated with the reactor 3, the upper right end of the reactor 3 is provided with an outlet chamber 6 communicated with the reactor 3, and the lower right end of the reactor 3 is provided with a The water outlet chamber 7 connected with the device 3, the air inlet of the fan 2 is equipped with a flue gas delivery pipe 8, the air outlet of the fan 2 is connected with the first inlet of the mixer 1 through the inlet pipe 9, and the second inlet of the mixer 1 is connected There is a dosing pipeline 10, the outlet of the mixer 1 communicates with the air inlet chamber 4, the water inlet pipeline 11 ...
Embodiment 2
[0047] Embodiment two: the using method of above-mentioned flue gas dehardening device, carry out according to the following steps:
[0048] In the first step, the sodium hydroxide solution or the ammonia solution is added to the inside of the mixer 1 through the dosing pipeline 10, and the flue gas is transported to the inside of the mixer 1 through the fan 2 and gasified with the sodium hydroxide solution or the ammonia solution. Liquid mixing, the working pressure inside the mixer 1 is in the range of 0.2MPa to 0.5MPa, and the pH value of the liquid after gas-liquid mixing is in the range of 9 to 10;
[0049] In the second step, the gas after the gas-liquid mixture enters the interior of the reactor 3 through the air inlet chamber 4 at the lower left end of the reactor 3, and the liquid after the gas-liquid mixture enters the inside of the reactor 3 through the air inlet chamber 4 at the lower left end of the reactor 3, and waits to be softened The water body enters t...
Embodiment 3
[0050] Embodiment three: the use method of above-mentioned flue gas dehardening device, carry out according to the following steps:
[0051] In the first step, the sodium hydroxide solution or the ammonia solution is added to the inside of the mixer 1 through the dosing pipeline 10, and the flue gas is transported to the inside of the mixer 1 through the fan 2 and gasified with the sodium hydroxide solution or the ammonia solution. Liquid mixing, the working pressure inside the mixer 1 is in the range of 0.2MPa to 0.5MPa, and the pH value of the liquid after gas-liquid mixing is in the range of 9 to 10;
[0052] In the second step, the gas after the gas-liquid mixture enters the interior of the reactor 3 through the air inlet chamber 4 at the lower left end of the reactor 3, and the liquid after the gas-liquid mixture enters the inside of the reactor 3 through the air inlet chamber 4 at the lower left end of the reactor 3, and waits to be softened The water body enters t...
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