Novel coal mine underground coal slime dewatering device

• Main Authors: NIU BEN, SONG FENG, DU BO, SONG TENGFEI, ZHONG LINGMIN, PU RENLI, CHEN WENZAN
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2021
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a novel coal mine underground coal slime dewatering device which comprises a feeding buffer box, a submerged slurry pump is arranged on the bottom side of the feeding buffer box, a rotational flow sedimentation device is arranged on the outer top side of the submerged slurry pump, and a rotational flow sedimentation device overflow pipeline is arranged on the side, close to the submerged slurry pump, of the rotational flow sedimentation device. According to the utility model, the vertical wear-resistant and corrosion-resistant submerged slurry pump which occupies a small space is adopted, the submerged slurry pump has the characteristics of advanced structure, high lift and large conveying capacity, and the stability of the liquid level in the storage box is ensured by designing the automatic liquid level controller device of the storage box, so that the normal operation and reasonable utilization of the submerged slurry pump are ensured, and the service life of the submerged slurr