Variable-diameter variable-intercept spiral sorting mechanism

A technology of spiral separation and intercept, applied in the direction of solid separation, wet separation, chemical instruments and methods, etc., can solve the problems of energy waste, low utilization rate of combustion equipment, exacerbated external loss and internal loss of clean coal, etc. Achieve the effects of convenient operation, improved equipment combustion efficiency, and enhanced sorting speed
CN109701727AActive Publication Date: 2019-05-03CHINA SHENHUA ENERGY CO LTD +1
6 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHINA SHENHUA ENERGY CO LTD
Publication Date
2019-05-03

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a variable-diameter variable-intercept spiral sorting mechanism. A spiral sorting groove is formed in the upper surface of a spiral sorting piece in the length direction of thespiral sorting piece, and comprises a variable-diameter spiral sorting groove part on the upper portion and a variable-intercept spiral sorting groove part located on the lower portion, all circles ofspiral inner diameters of the variable-diameter spiral sorting groove part are sequentially and progressively increased from top to bottom, in the motion process of the water flows in the sorting groove with the different diameters, the material can be greatly disturbed, the layered zoning effect of different materials can be reinforced, the ratios of all circles of screw pitches to the spiral inner diameters of the corresponding circles of the variable-intercept spiral sorting groove part are sequentially and progressively increased from top to bottom, after the materials layered through thevariable-diameter spiral sorting groove part enter the variable-intercept spiral sorting groove part, the materials can bear the large centrifugal force and water flow transport effect, the materialsorting speed can be reinforced, and the equipment treatment capacity is improved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a spiral sorting device used in a coal preparation plant, in particular to a variable-diameter and variable-intercept spiral sorting mechanism. Background technique

[0002] Coal is an important energy and the basic energy for the continuous progress and development of human society. In the raw coal mining production process, a large amount of primary coal slime will be produced. After the primary coal slime passes through a classifying cyclone group, a spiral separator, a high-frequency fine screen and a coal slime centrifuge, the coarse and refined coal slime product is finally obtained. Among them, the spiral separator is a sorting equipment for sorting fine-grained coal, and its sorting effect directly affects the clean coal ash and clean coal recovery rate of the final clean coal slime product. Therefore, a good spiral separator can not only increase the recovery rate of coal, but also reduce the grayness of clean coal an...

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