Odor treatment device

Abstract

To provide an odor treatment device capable of preventing release of an odor compound to the atmosphere.SOLUTION: The odor treatment device comprises: a dissolving chamber 11; a preheating chamber 12 connected to the upper part of the dissolving chamber 11; a combustion chamber 20 connected to an exhaust duct 31; a suction duct 13 connecting the preheating chamber 12 and the combustion chamber 20 and allowing exhaust to flow to the combustion chamber 20 without feeding oxygen to exhaust present in the preheating chamber 12; heat decomposition burners C1A, C1B connected to the suction duct 13 to thermally decompose organic materials discharged from the preheating chamber 12 in the suction duct 13; an oxygen feeder connected to the combustion chamber 20 to feed oxygen to the combustion chamber 20; and an oxidation burner connected to the combustion chamber 20 to oxidize the odor compound in the combustion chamber 20 being supplied with oxygen, the odor compound being resulting from the thermal decomposition of the organic materials in the suction duct 13.SELECTED DRAWING: Figure 2

Claims

1. Dissolution chamber and, A preheating chamber connected to the upper part of the melting chamber, A combustion chamber connected to the exhaust duct, An intake duct connecting the preheating chamber and the combustion chamber, wherein the intake duct directs the exhaust gas from the preheating chamber toward the combustion chamber without supplying oxygen to the exhaust gas, An odor treatment device comprising: A pyrolysis burner connected to the intake duct, which thermally decomposes organic matter discharged from the preheating chamber in the intake duct, An oxygen burner connected to the aforementioned combustion chamber, The operation of the oxygen burner is controlled by a control unit that reversibly switches between oxygen supply, which stops the fuel supply and supplies an oxygen gas with a higher oxygen concentration than air without combustion, and oxidative combustion by combustion of oxygen and fuel. Equipped with, The oxygen burner functions as an oxygen supply unit that supplies a gas with a higher oxygen concentration than air to the combustion chamber without combustion during the execution of the oxygen supply, and as an oxidation burner that oxidizes odor compounds thermally decomposed from the organic matter in the intake duct in the combustion chamber under oxygen supply during the execution of the oxidation combustion. An odor treatment device characterized by the following features.

2. Dissolution chamber and, A preheating chamber connected to the upper part of the melting chamber, A combustion chamber connected to the exhaust duct, An intake duct connecting the preheating chamber and the combustion chamber, wherein the intake duct directs the exhaust gas from the preheating chamber toward the combustion chamber without supplying oxygen to the exhaust gas, An odor treatment device comprising: A pyrolysis burner connected to the intake duct, which thermally decomposes organic matter discharged from the preheating chamber in the intake duct, An oxygen supply nozzle connected to the combustion chamber and supplying a gas with a higher oxygen concentration than air to the combustion chamber, An oxygen burner connected to the aforementioned combustion chamber, The operation of the oxygen burner is controlled by a control unit that reversibly switches between oxygen supply, which stops the fuel supply and supplies an oxygen gas with a higher oxygen concentration than air without combustion, and oxidative combustion by combustion of oxygen and fuel. Equipped with, The oxygen burner functions as an oxygen supply unit that supplies a gas with a higher oxygen concentration than air to the combustion chamber without combustion during the execution of the oxygen supply, and as an oxidation burner that oxidizes odor compounds thermally decomposed from the organic matter in the intake duct in the combustion chamber under oxygen supply during the execution of the oxidation combustion. An odor treatment device characterized by the following features.

3. comprising a plurality of the oxygen burners, The control unit, The number of oxygen burners whose drive is switched is changed. The odor treatment apparatus according to claim 1 or 2.

4. The system further includes an odor measuring unit for measuring the odor in the gas discharged from the combustion chamber. The control unit, The lower the measurement result from the odor measuring unit, the more the operation of the oxygen burner is switched from oxidative combustion to oxygen supply. The odor treatment apparatus according to claim 1 or 2.

5. The system further includes a temperature measuring unit for measuring the temperature of the gas discharged from the combustion chamber, The control unit, The higher the temperature measurement result from the temperature measuring unit, the more the operation of the oxygen burner is switched from oxidative combustion to oxygen supply. The odor treatment apparatus according to claim 1 or 2.

6. An odor measuring unit for measuring the odor in the gas discharged from the combustion chamber, The system further includes a temperature measuring unit for measuring the temperature of the gas discharged from the combustion chamber, The control unit, The first treatment involves reducing the amount of heat supplied to the odor compound as the measurement result from the odor measuring unit becomes lower. The second process, which reduces the amount of heat supplied to the odor compound as the measurement result from the temperature measuring unit reaches a higher level, is switched on. The odor treatment apparatus according to claim 1 or 2.

7. The system further includes a CO measuring unit for measuring the carbon monoxide concentration emitted together with the aforementioned organic matter. The control unit, The oxygen supply unit is controlled to increase the amount of oxygen supplied to the combustion chamber, depending on the level of the CO measurement result from the CO measurement unit. The odor treatment apparatus according to claim 1 or 2.

Images