Coal steam rotating moisture control process system and method thereof
A process system and steam technology, applied in the field of steam rotary humidity control process system, can solve the problems of low volatile content, complex process, large particles, etc., and achieve the effect of less dust, simple process and less maintenance.
Active Publication Date: 2013-01-23
SHANDONG TIANLI DRYING TECH & EQUIP
View PDF1 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] Aiming at the drying problem of coal with low volatile content, relatively large particles, and non-explosive coal, the present invention provides a steam rotary humidity control process system method for coal using steam as the main heat source and flue gas as the auxiliary heat source, which solves the problem of low volatile content, There are problems such as complex process, large investment and high energy consumption in the drying of large particles and non-explosive coal. The steam rotary coal humidity control process has the advantages of simple process, small investment, energy saving and environmental protection.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0028] 1. Material process: the crushed raw coal 1 is transported to the steam rotary dryer 6 by the quantitative auger 3 through the feeding hopper 2. Inside the rotary dryer 6, the raw material and the steam pipe in the rotary dryer 6 perform heat exchange. The moisture in the raw coal evaporates continuously. At the discharge end of the steam rotary dryer 6, the moisture in the raw coal is adjusted (dried) to the rated value, and falls into the conveying auger 8 through the air lock discharge valve I 7, and is sent to the conveying The belt 10 is sent to the coke oven coal tower at last. The fine coal powder entrained by the exhaust of the rotary dryer 6 enters the bag filter 12, and is separated after being purged by the high-pressure nitrogen gas 16. The separated material falls to the conveying auger 8 through the air-lock discharge valve II11, an...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a coal steam rotating moisture control process system and a method thereof, solving the problems of complex process, high investment, high energy consumption and the like in the low volatile, larger-grain and unexplosive coal dry process, and having the advantages of simple process, low investment, energy conservation, environment protection and the like. The structure ofthe coal steam rotating moisture control process system comprises a rotary dryer with a steam pipe, wherein the material feeding end of the rotary dryer is connected with a material feeder while the material discharging end thereof is respectively connected with a conveyer and a dust remover, the rotary dryer is respectively connected with a steam main heat source device and a flue gas assistant heat source device, and the dust remover is also connected with the conveyer.
Description
technical field [0001] The invention relates to a coal humidity control pretreatment process in the coking industry, and is suitable for a steam rotary humidity control process system and a method for low volatile and non-explosive coal. Background technique [0002] There are two main heat sources used in coal steam rotary humidity control technology. One is to use low-pressure steam or other low-pressure steam after coking plant CDQ steam power generation as a heat source. The other is to use the production waste heat of the coking plant, use the steam generated by the rising pipe vaporization cooling device as the main heat source, and use the sensible heat of raw coal gas or flue gas as the auxiliary heat source. The coal humidity control process using steam as the heat source now widely uses nitrogen as the humidity-carrying gas and protective gas, all sealing ports are sealed with nitrogen, and the process route of closed-circuit nitrogen circulation is adopted (see Ch...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C10B57/10C10B43/02
Inventor 吴峰李帅俊谭凤娟张超杰赵洪波陈强吴翠兰范红梅
Owner SHANDONG TIANLI DRYING TECH & EQUIP