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COKE DRY QUENCHING (CDQ) FOR COKE OVEN BATTERIES REVAMP PROJECT FOR JINNIU TIANTIE COAL COKING CO.,LTD
SOURCE: AUTHOR:acre_en DATE:02 September 2021
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Client: Jinniu Tiantie Coal coking Co.,ltd
Contractor:ACRE
City of project site :Tianjian, China
Dates of signing contract / commissioning :

Feb.13th,2008/Dec.8th, 2009

12291479095129

Contents of project:

This Coke Dry Quenching (CDQ) project will match with coke oven batteries Revamp project for Jinniu Tiantie Coal coking Co.,ltd. In this project, the capacity of CDQ had been 190t/h.The scope of CDQ project had included coke conveying system, CDQ chamber, charging device, coke discharging device, gas circulating device, de-dusting system, etc

Features of major design:

-CDQ chamber

The CDQ chamber, which is positive pressure cylindrical vertical brickwork, has a shaft kiln structure.

- Primary dust collector

The primary dust collector is the gravity settlement tank type de-dusting device, which is used to remove coarse coke fine contained in the circulating gas.

- Secondary dust collector

The secondary dust collector adopted is the multi-cyclone type separating dust collector which is suitable for CDQ process to further separate small sizes of coke fine from the circulating gas. In this way the abrasion of coke fine to the blade of the circulating fan will be reduced.

Scope of contracting:

ACRE had been responsible for this project based on Engineering + Procurement and Construction (EPC).

-red hot coke conveying system, CDQ device, boiler facilities

-gas circulating system, heating power system, electrics system, etc

-automatic control, coke conveyer system, architecture work, equipment procurement & installation engineering in the battery limit for steam pressure reduction station of CDQ project

- Architecture, structure, roads, firefighting and Telecommunication, etc.

- all construction work, etc

Project Highlights:

- CDQ chamber, which is positive pressure cylindrical   vertical brickwork, has a shaft kiln structure to decrease the investment of construction and cost of operation.

- The primary dust collector top is constructed with a   simple and steady brick-arch structure. The inner wall of arch top and upper arch wall of the primary dust collector suffer from current flushing and coke fine abrasion.

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