Process of integrated treatment of printing and dyeing sludge

Abstract

The invention belongs to the technical field of sludge treatment and in particular relates to an integrated treatment process of dyeing sludge. The integrated treatment process of the dyeing sludge is characterized by comprising the following steps: (1), sludge dehydrating; (2), sludge drying; and (3), sludge burning. The integrated treatment process disclosed by the invention has the beneficial effects that the sludge is dehydrated and dried to a needed degree by one step, a technical bottleneck of dehydrating of sludge filter-pressing equipment is broken through, a sludge dehydrating and drying process is solved, sludge reduction is realized to the greatest extent, moisture content of the sludge is low, calorific value is 2000 kilocalories-5000 kilocalorie, and the sludge can be combusted as a fuel, so that benefits are increased for enterprises, and energy resources are saved; sludge treatment amount is great, and energy increment is realized without energy consumption; and operation cost is low, and power consumption per ton for the treated sludge is about 10 KWh.

Description

technical field [0001] The invention belongs to the technical field of sludge treatment, and in particular relates to a process for integrated treatment of printing and dyeing sludge. Background technique [0002] With the development of the economy, the contradiction of environmental protection has become increasingly prominent, and an important part of implementing the strategy of sustainable development is to protect the environment, save resources and develop new energy sources. The construction of this project plays an important role in the environmental protection of the company and Binzhou City. This includes two meanings. First, at present, the sludge generated by sewage treatment plants and some industrial enterprises is simply landfilled. The disadvantage of landfill treatment is that the land is seriously encroached and the site is not It is easy to solve; second, if the anti-seepage technology is not enough, it will lead to potential...

AI Technical Summary

Problems solved by technology

This includes two meanings. First, at present, the sludge generated by sewage treatment plants and some industrial enterprises is simply landfilled. The disadvantage of landfill treatment is that the land is seriously encroached and the site is not It is easy to solve; second, if the anti-seepage technology is not enough, it will lead to potential soil and groundwater pollution. In the long run, for the big environment, it is equivalent to the sewage not being treated effectively

[0011] (2) caused great pollution to the environment of the landfill;

[0012] (3) The moisture content of the sludge is too high, causing great difficulties to the landfill operation;

[0013](4) Seriously affecting the collection and treatment system of landfill leachate;

[0014] (5) The rheology of sludge makes the landfill easy to deform and landslide, which brings great safety hazards to the landfill

[0034]This treatment technology occupies a small area and has high treatment and utilization efficiency, but the treatment cost is relatively high. To reduce operating costs, heat sources such as nearby thermal power plants or cement plants are required. And the investment is large, and the requirements for production safety are high