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Closed-circuit crushing mill

A kind of grinding equipment and grinding technology, which is applied in the direction of grain processing, etc., can solve the problems of consumption and increased cost of circulating grinding equipment.

Inactive Publication Date: 2016-03-02
KHD HUMBOLDT WEDAG GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since circulation mills are often installed in mines or in very inaccessible places, it requires high effort to construct a sufficiently strong foundation
This increases the cost of the circulation milling plant

Method used

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Experimental program
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Effect test

Embodiment Construction

[0029] exist figure 1 The circular grinding plant 1 according to the invention is shown in side view with its three main mechanisms. The main mechanisms are a high-pressure roller press 2, a device 3 for screening fines from the circulating material 4 to be ground, and two devices 5.1 and 5.1 for conveying the circulating material 4 to be ground. 5.2. According to the invention it is provided that the high-pressure roller press 2 is spaced apart from a device 3 for screening fines from the circulating material 4 to be ground. The connection between these two institutions is through the figure 1 The two devices for delivery shown in 5.1 and 5.2 are realized. This transport of the material to be ground 4 from the respective one unit to the respective other unit always takes place upwards, so that the material to be ground circulates between the high-pressure roller press 2 and the device 3 for sieving. The fine material to be ground 4 is taken out of circulation by the devic...

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Abstract

The invention relates to a closed-circuit crushing mill (1) for comminuting milling material, having at least one high-pressure roller press (2), at least one device for sorting fine milling material (3, 3.1) from the milling material (4) which can be found in the circuit, and at least two devices for conveying (5.1, 5.2) the milling material (4) which can be found in the circuit. According to the invention, the at least one high-pressure roller press (2) is spatially separated from and approximately at the same height as at least one device for sorting fine milling material (3) from the milling material (4) which can be found in the circuit, and the at least two devices for conveying (5.1, 5.2) the milling material (4) which can be found in the circuit cross each other approximately in the center when viewed from the side, wherein the spatial separation preferably equals at least five to twenty times the width or length of the high-pressure rolling press (2). It is thus possible to construct the mill on few solid foundations or on a ship in an advantageous manner.

Description

technical field [0001] The invention relates to a circulating milling plant for crushing material to be milled, said circulating milling plant comprising at least one high-pressure roller press, at least one A device for fine material, and at least two devices for conveying the material to be ground in circulation. In a special configuration, the circulating grinding plant is located in the ship. Background technique [0002] The high-pressure roller press for crushing the material to be ground was first used by Schnert et al. in German laid-open document DE2708053A1. The high-pressure roller press crushes the material to be ground between two counter-rotating rollers by introducing the material to be ground into a narrow roller gap between the two rollers and treating it there only by pressure. Each roller does not slip or only slightly slips. [0003] In circulating grinding plants, the material to be ground passes through the high-pressure roller compactor several ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C4/02B02C4/28B02C23/12B02C21/02
CPCB02C4/02B02C4/286B02C21/02B02C23/12
Inventor S·施特拉塞尔H·舍费尔O·蒂尔塞E·朔伊内曼
Owner KHD HUMBOLDT WEDAG GMBH
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