CN203355808U

CN203355808U - Grid plate for semi-autogenous mill and semi-autogenous mill adopting same

Info

Publication number: CN203355808U
Application number: CN201320376079.9U
Authority: CN
Inventors: 杨银桂; 谢德华
Original assignee: YUNAN GOLD & MINING GROUP Co Ltd
Current assignee: YUNAN GOLD & MINING GROUP Co Ltd
Priority date: 2013-06-27
Filing date: 2013-06-27
Publication date: 2013-12-25
Anticipated expiration: 2023-06-27

Abstract

The utility model provides a grid plate for a semi-autogenous mill and a semi-autogenous mill adopting the same. The grid plate for a semi-autogenous mill includes an outer ring grid plate and an inner ring grid plate, wherein the fluid passing rate of the outer ring grid plate is smaller than that of the inner ring grid plate. According to the grid plate for the semi-autogenous mill, provided by the utility model, as the fluid passing rate of the outer ring grid plate is smaller than that of the inner ring grid plate, the thick liquid discharge speed of the semi-autogenous mill can be effectively controlled, so that the lining board can be protected, further the service life of the lining board of the semi-autogenous mill can be prolonged to 3-4 months, so that great economic value is created, precious production time for the production line is saved, the running efficiency of equipment is improved, and the maintenance cost of the equipment is reduced.

Description

Semi-autogenous mill is with grate and have the semi-autogenous mill of this semi-autogenous mill with grate

Technical field

The utility model relates to a kind of semi-autogenous mill parts, especially a kind of semi-autogenous mill.

Background technology

The speed that plasma discharge in the decision grinding machine is set of grid in semi-autogenous mill grid plate, the plasma discharge excessive velocities will lose the protection meaning to shell liner, reduce the service life of grinding mill barrel liner plate.

The utility model content

The purpose of this utility model is intended at least solve one of described technological deficiency.

The semi-autogenous mill grate that the utility model proposes on the one hand a kind ofly effectively to protect the semi-autogenous mill liner plate, improves equipment operation efficiency, maintenance cost is low.

The utility model proposes a kind of semi-autogenous mill on the other hand.

For achieving the above object, the utility model has proposed a kind of semi-autogenous mill grate on the one hand, comprises outer ring grate and inner ring grate, and the fluid through-rate of described outer ring grate is less than the fluid through-rate of described inner ring grate.

According to semi-autogenous mill grate of the present utility model; be less than the fluid through-rate of described inner ring grate by the fluid through-rate that makes the outer ring grate; make the speed of plasma discharge in semi-autogenous mill slack-off; ore pulp has certain deposition in semi-autogenous mill; the deposition ore pulp can play the effect of protection liner plate; in terms of existing technologies; can bring up to 3-4 months the service life of semi-autogenous mill liner plate; created huge economic worth; for production line win the valuable production time; improve equipment operation efficiency, reduced cost of equipment maintenance.

Alternatively, the grid gross area of described outer ring grate is less than the grid gross area of described inner ring grate.

Alternatively, the wide bar that is less than described inner ring grate of the bar of described outer ring grate is wide.

Alternatively, the bar of described inner ring grate is wide is 35mm, and the bar of described inner ring grate is wide is 25mm.

Alternatively, the total length of each grid of described outer ring grate is less than the total length of each grid of described inner ring grate.

Alternatively, the grid number of described outer ring grate is less than the grid number of described inner ring grate.

According to the semi-autogenous mill of the utility model second aspect, comprise the described semi-autogenous mill grate of above-mentioned any one.

The aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.

The accompanying drawing explanation

Described in the utility model and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:

Fig. 1 is according to semi-autogenous mill of the present utility model grate schematic diagram;

Fig. 2 is the semi-autogenous mill of prior art grate schematic diagram.

The specific embodiment

Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.

In description of the present utility model, it will be appreciated that, term " vertically ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.

In description of the present utility model, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be directly to be connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of described term.

Below in conjunction with accompanying drawing, the semi-autogenous mill grate according to the utility model embodiment is described.

According to the semi-autogenous mill grate of the utility model embodiment, comprise outer ring grate and inner ring grate, the fluid through-rate of described outer ring grate is less than the fluid through-rate of described inner ring grate.

Be less than the fluid through-rate of described inner ring grate by the fluid through-rate that makes the outer ring grate; make the speed of plasma discharge in semi-autogenous mill slack-off; ore pulp has certain deposition in semi-autogenous mill; the deposition ore pulp can play the effect of protection liner plate, and in terms of existing technologies, can bring up to 3-4 months the service life of semi-autogenous mill liner plate; created huge economic worth; for production line has won the valuable production time, improve equipment operation efficiency, reduced cost of equipment maintenance.

Particularly, the grid gross area that the fluid through-rate that makes the fluid through-rate of described outer ring grate be less than described inner ring grate can make the grid gross area of outer ring grate be less than the inner ring grate is realized.More specifically, the total length that comprises each grid of the wide bar wide (as shown in Figure 1) that is less than the inner ring grate of the bar that makes the outer ring grate, outer ring grate is less than the total length of each grid of inner ring grate, the grid number of outer ring grate is less than the methods such as grid number of inner ring grate.

Semi-autogenous mill below with reference to accompanying drawing to this new embodiment is described in detail with grate.Wherein, Fig. 1 is that Fig. 2 is the schematic diagram of the semi-autogenous mill of prior art with grate 100 according to the schematic diagram of the semi-autogenous mill use grate 200 of the utility model embodiment.It should be noted that, the semi-autogenous mill shown in Fig. 1 and Fig. 2 keeps identical installation dimension with grate.

As shown in Figure 2, existing semi-autogenous mill comprises inner ring grate 110 and outer ring grate 120 with grate 100, wherein, the bar of inner ring grate 210 wide with the wide 35mm that is of bar outer ring grate 220.

Similarly, semi-autogenous mill comprises inner ring grate 210 and outer ring grate 220 with grate 200.Unlike the prior art, although the wide 35mm that still keeps of the bar of inner ring grate 210 is constant, the bar of outer ring grate 220 is wide is reduced to 25mm by existing 35mm.Because the bar reductions of outer ring grate is few; make the fluid through-rate of outer ring grate be less than the fluid through-rate of inner ring grate; thereby make the speed of plasma discharge slack-off, ore pulp has certain deposition in grinding machine, the deposition ore pulp can play the effect of protection liner plate.By above-mentioned improvement, can bring up to 3-4 months the service life of semi-autogenous mill liner plate, created huge economic worth, for production line win the valuable production time, improve equipment operation efficiency, reduced cost of equipment maintenance.

Certainly, except said method, the methods such as grid number that the grid number that makes the total length of each grid of outer ring grate be less than total length, the outer ring grate of each grid of inner ring grate is less than the inner ring grate can realize making the grid gross area of outer ring grate to be less than the grid gross area of inner ring grate equally, thereby the fluid through-rate that realizes described outer ring grate is less than the fluid through-rate of described inner ring grate, and this is no longer going to repeat them.

According to semi-autogenous mill of the present utility model, can contain the described grate 200 for semi-autogenous mill of above-mentioned any one.

In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained in this novel at least one embodiment or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.

Although illustrated and described this novel embodiment, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that do not break away from this novel principle and aim, this novel scope is limited by claim and equivalent thereof.

Claims

1. a semi-autogenous mill grate, comprise outer ring grate and inner ring grate, it is characterized in that, the fluid through-rate of described outer ring grate is less than the fluid through-rate of described inner ring grate.

2. semi-autogenous mill grate according to claim 1, is characterized in that, the grid gross area of described outer ring grate is less than the grid gross area of described inner ring grate.

3. semi-autogenous mill grate according to claim 2, is characterized in that, the bar of described outer ring grate is wide, and to be less than the bar of described inner ring grate wide.

4. semi-autogenous mill grate according to claim 2, is characterized in that, the total length of each grid of described outer ring grate is less than the total length of each grid of described inner ring grate.

5. semi-autogenous mill grate according to claim 2, is characterized in that, the grid number of described outer ring grate is less than the grid number of described inner ring grate.

6. a semi-autogenous mill, is characterized in that, comprises the described semi-autogenous mill grate of any one in claim 1～5.