Drying and quality increasing device and technology for coal slime and sludge

A technology of sludge drying and drying medium, which is applied in drying solid materials, heating to dry solid materials, dewatering/drying/concentrating sludge treatment, etc. Capacity limitation and other problems, to achieve the effect of small footprint, quality assurance, and speeding up the rate of water diffusion

Inactive Publication Date: 2016-05-18
邵杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Obvious defects such as limited processing capacity of a single system, poor particle size and quality of finished products, and large floor space

Method used

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  • Drying and quality increasing device and technology for coal slime and sludge
  • Drying and quality increasing device and technology for coal slime and sludge
  • Drying and quality increasing device and technology for coal slime and sludge

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Embodiment Construction

[0032] The present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments.

[0033] see figure 1 , the drying pipe 3 of this embodiment 1 adopts an equal cross-sectional structure, and the inlet of the high-moisture material to be dried is arranged below the outlet of the drying pipe 3 and in the middle of the drying pipe 3 above the outlet of the material breaking device 4, so as to realize feeding in the middle; The inlet of the dry high-moisture material is connected to the discharge port of the feeder 2, the feed port of the feeder 2 is connected to the silo 1, the feeder 2 is a coal slime rotary cutter, and the smoke of the material breaking device 4 The gas inlet is arranged at the bottom of the material breaking device 4 and communicates with the flue gas outlet of the flue gas generator 5, and the flue gas is fed from the bottom of the material breaking device 4, and the flue gas generator 5 is a chain furnace. i...

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Abstract

The invention discloses a drying and quality increasing device and technology for coal slime and sludge. The device mainly comprises a flue gas generating furnace, a feeding machine, a drying pipe, a material scattering device, a cyclone separator, a fine particle conveying device, a finished product conveying device, a dust remover and an induced draft fan. A drying medium generated by the flue gas generating furnace and a high-moisture material which is to be dried and fed in by the feeding machine enter the material scattering device and the drying pipe respectively, and the high-moisture material is scattered in the material scattering device and preliminarily dried, and subjected to deep drying and pneumatic separation in the drying pipe. Particles with the particle size not exceeding the design upper limit requirement are carried by airflow to enter the separator, and coal particles with the particle size being larger than the design upper limit fall into the scattering device and are scattered again. A finished product collected by the separator is fed into a coal yard or other places through the conveying device. Exhaust gas exhausted by the separator is treated by the dust remover and then is injected into the atmosphere through the induced draft fan. The drying and quality increasing device has the characteristics of being better in drying effect, reliable in operation, simple in system and compact in structure.

Description

technical field [0001] The invention relates to the technical field of drying and upgrading, in particular to a coal slime and sludge drying and upgrading device and process. Background technique [0002] Coal preparation production will be accompanied by a large amount of primary coal slime and secondary coal slime. Due to the high moisture content, the products have no market and can only be stacked in vacant land, which not only easily causes waste of resources, but also easily leads to environmental pollution. Even after being recycled by a filter press, the slime filter cake has fine particle size, high moisture content, high viscosity, and low quality, making it difficult to achieve efficient industrial applications, and the main outlet is civilian land sales. [0003] At present, there are only a few circulating fluidized bed (CFB) boilers in the power industry that can directly use co-firing to utilize press filter slime, and the co-firing share is basically controll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B17/10F26B3/10C02F11/12
Inventor 邵杰
Owner 邵杰
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