Silencing and diffusing device for blast furnace top gas

• Main Authors: QU JIAPING, YANG ZHENGMING, WANG XUNFU, YANG JUNYI, LIU GUANGYONG, MO HONGRONG, WANG BO, HU QIANSHENG
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2024
• Subjects: ACOUSTICS; ACOUSTICS NOT OTHERWISE PROVIDED FOR; CHEMISTRY; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; MUSICAL INSTRUMENTS; PHYSICS; SOUND-PRODUCING DEVICES

The utility model discloses a blast furnace top gas silencing and diffusing device which comprises a silencing cavity, a gas outlet pipe is fixed at the upper end of the silencing cavity, the lower end of the silencing cavity is communicated with a pollution discharge collecting tank, a pollution discharge ball valve is arranged at the lower end of the pollution discharge collecting tank, a dust separation plate is arranged at the joint of the lower end in the silencing cavity and the pollution discharge collecting tank, and a gas inlet pipe is connected to the dust separation plate. The air outlet pipe and the air inlet pipe are bent pipes, the other end, opposite to the dust separation plate, of the air inlet pipe penetrates through the silencing cavity to extend outwards, first silencing holes are formed in the dust separation plate, and a rotational flow plate is arranged in the middle of the interior of the silencing cavity; the noise reduction device has the beneficial effects that when airflow flows to