Solid waste treatment system

A treatment system and pipeline technology, which is applied in the fields of solid waste removal, chemical/physical process, chemical/physical/physical chemical process, etc., can solve the problems that cannot be recycled, and desulfurization solid waste can only be landfilled.

CN111701982AInactive Publication Date: 2020-09-25孙义涛
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2020-09-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the field of desulfuration aftertreatment, in particular to a solid waste treatment system which comprises a hydrocyclone, an unloading pipeline, an unloading control device and a vacuum belt conveyor; the hydrocyclone is used for carrying out preliminary filtering on slurry; the unloading pipeline is arranged at the bottom of the hydrocyclone; the input end of the unloading pipeline is connected with the output end of the hydrocyclone and is used for uniformly unloading the slurry after preliminary filtering; the unloading control device is arranged at the bottom of the unloading pipeline; the input end of the unloading control device is connected with the output end of the unloading pipeline and is used for controlling the opening and closing of the unloading pipeline and the slurry circulating rate; the vacuum belt conveyor is arranged at the bottom of the unloading control device; and the input end of the vacuum belt conveyor is connected with the output end of the unloading control device and is used for absorbing moisture of the serous fluid to form slurry. According to the solid waste treatment system, the hydrocyclone discharges thin serous fluid after coarse filtering, the vacuum belt conveyor pumps out thin seriflux, and the double alkali method solid waste is finally converted into CaSO4.2H2O with higher purity and utilization value.
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Description

technical field

[0001] The invention relates to the field of post-desulfurization treatment, in particular to a solid waste treatment system. Background technique

[0002] At home and abroad, we have been paying attention to the harm caused by sulfur dioxide emissions to the environment. The state has invested in the introduction of foreign desulfurization technology and equipment, and built demonstration projects in more than a dozen thermal power plants across the country. The mainstream process technology route with empty tower spraying as the main process. However, due to the high operating costs of equipment, many power plants are in phased operation or not in operation, so reducing operating costs will play an important role in promoting the healthy development of China's environmental protection industry. Carbide slag is the waste after the reaction of calcium carbide and water to prepare acetylene. It is estimated that millions of tons of calcium carbide slag are st...

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Embodiment Construction

[0050] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0051] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", The orientation or positional relationship indicated by "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have Certain orientations, constructed and operative in certain orientations, therefore are not t...