Processing device and method for salt-containing waste

Abstract

The invention provides a processing device and method for salt-containing waste, which comprises a first incinerator, a fire grate and a combustion chamber; the furnace body has a furnace body; the furnace body has a first opening and sprayers through which fuel and air can be introduced; the fire grate capable of bearing the salt-containing waste is arranged in the processing device, the combustion chamber is located above the first incinerator and is vertically and tightly connected to the combustion chamber by the first opening, such that solid combustion products in the combustion chamber can fall into the first incinerator without blocking. The invention further provides a corresponding processing method for the salt-containing waste. Pollutants in the salt-containing waste can be thoroughly processed, an energy use rate is high, the safety and maintenance of the device are facilitated, and the service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of waste treatment, in particular, the invention relates to a salt waste treatment device and method for salt waste. Background technique [0002] In recent years, with the rapid development of chemical industry, petroleum, papermaking, food, medicine, pesticide, coking and other industries, the discharge of salty waste such as waste salt and salty solid waste has increased. Waste salt and salt-containing solid waste contain both organic matter and a large amount of salt, which pose a great threat to human health and the environment. [0003] Waste salt and salt-containing solid waste have the characteristics of various sources, various types, complex components, high content of toxic and harmful substances, serious environmental hazards, and high economic cost of treatment. Therefore, it is difficult to deal with them. The treatment of waste salt and salty solid waste has become a thorny issue. [0004] A...

AI Technical Summary

Problems solved by technology

However, in this method, the contact time between the waste salt and the hot air is insufficient, and the temperature cannot be effectively raised, resulting in the ineffective removal of pollutants in the waste salt.

Moreover, this method easily converts part of the pollutants in the waste salt into complex components remaining in the hot air, making the pollutants transfer from the solid phase to the gas phase, making it more difficult to handle

The high-temperature calcination treatment of salt-containing solid waste also has similar problems to waste salt treatment.

[0005] On the other hand, incineration is also often used in the field of waste treatment, but the existing common incineration equipment and incineration methods are not suitable for incineration of salty substances

For example, the rotary kiln incinerator is widely used at present. When the rotary kiln incinerates waste salt or solid waste containing salt, the waste salt or solid waste containing salt will melt at high temperature, and the molten salt will bond with the body of the rotary kiln. And hanging on the wall, causing the refractory material of the rotary kiln to fall off and block the kiln body, making the rotary kiln unable to operate, so the rotary kiln incinerator cannot burn waste salt or solid waste containing salt

Images