• FGD SYSTEM
  • FLUE GAS PURIFICATION SYSTEM
  • CEMENT GRINDING STATION
  • CEMENT PRODUCTION LINE
  • ACTIVE LIME PRODUCTION LINE
  • LIME SLAKING PLANT
  • MAGNESIUM PRODUCTION LINE
  • MAGNESIUM OXIDE (MgO) PLANT
  • LITHIUM PRODUCTION LINE
  • GYPSUM POWDER PRODUCTION LINE
  • ALUMINUM ASH PROCESSING SYSTEM
  • LECA PRODUCTION LINE
  • FRACTURING PROPPANT PRODUCTION LINE
  • SOLID (HAZARDOUS) WASTE INCINERATION SYSTEM
  • PULVERIZED COAL PREPARATION PRODUCTION LINE
  • GGBS PRODUCTION LINE
  • SUPERPHOSPHATE PRODUCTION LINE
  • MOLECULAR SIEVE PRODUCTION LINE
  • SOIL REMEDIATION SYSTEM
  • Grinding Mills
  • Kilns & Dryers
  • Conveyors
  • Crushers
  • Bucket Elevators
  • Dust Collectors
  • Project details

    Project Name

    Hubei Yichang 50 t/d Industrial Sludge Incineration Project

    Capacity

    50t/d

    Location

    Yichang, Hubei, China

    Project Overview

    Signing Date: 2017-05-21

    Processing Material: industrial sludge

    Processing Capacity: 50t/d


    Project Overview:

    A company in Yichang, Hubei Province is mainly engaged in the design and manufacture of three types (A2) of land-based incineration system engineering, water treatment system engineering, soil remediation engineering and pressure vessels, as well as marine incinerators, domestic sewage treatment devices, bilge water separators, and seawater systems. Light unit, central cooler, etc. This project uses rotary kiln + secondary combustion chamber to incinerate garbage and solid waste, and eliminates dioxins in flue gas at a high temperature of 1100 in the secondary combustion chamber at the end of the kiln to ensure that the exhaust gas is discharged up to the standard.

     

    The project signed a supply contract in May 2017, and the installation and commissioning was completed in January 2018. The design, manufacture, installation and commissioning of the rotary kiln and secondary combustion chamber equipment were all completed by Henan Zhengzhou Mining Machinery Co., Ltd.


    Project Solution

    The rotary kiln + secondary combustion chamber supporting equipment used in this project is used for garbage and solid waste disposal incineration and the treatment of harmful components of waste gas.

    1) Host device parameters

    Rotary Kiln:

    Power supply: 380V/50Hz/3Ф, the energy consumption level of the motor is IE2, the insulation level is F level, the protection level is IP54, and the explosion-proof level is dII BT.

    Kiln body specification: Φ2200X18000(mm)

    Equipment slope: 3:100

    Main material of kiln body: Q345R

    Kiln head and kiln tail sealing form: fish scales and labyrinth

    Support form: two-point support

    Transmission form: single-end two-stage transmission, pinion supported by double bearings

    Rotary kiln working temperature: 600~700

    Secondary combustion chamber:

    Secondary combustion chamber material: Q345

    Working temperature of secondary combustion chamber: 1100

     

    2) Process flow

    The feeding port of the rotary kiln is equipped with a pushing mechanism to ensure continuous feeding. The solid (hazardous) waste is fed into the rotary kiln through the feeding mechanism to be incinerated into high-temperature flue gas and ash. The outlet temperature of the rotary kiln is 800-850. After the flue gas enters the secondary combustion chamber, the secondary air is tangentially injected around the secondary combustion chamber, so that a strong vortex field is formed in the secondary combustion chamber, and the combustible components in the flue gas can be removed. Full burn. At the same time, the secondary combustion chamber adopts a unique structural design, so that the secondary combustion chamber has the function of cyclone dust removal. The flue gas temperature at the outlet of the secondary combustion chamber is greater than 1100°C, and the residence time of the flue gas in the high temperature area is more than 2 seconds, ensuring the complete decomposition of harmful components including dioxins in the flue gas, and meeting the requirements for hazardous waste incineration.

     

    The rotary kiln maintains a stable slag layer about 50mm thick to protect the refractory layer.


    Equipment Configuration

    1 set of Ф2.2x18m rotary kiln, 1 set of secondary combustion chamber

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