CN204194144U - Thick floatation equipment is cut based on entering the pre-current stabilization of floating ore pulp - Google Patents

Abstract

The utility model discloses and a kind ofly cut thick floatation equipment based on entering the pre-current stabilization of floating ore pulp, it comprises equalization pond, concentrate pond, classifying cyclone, vibration sieve bend, floatation equipment, cuts thick pan feeding pump and floatation feed pump, is provided with stabilier in equalization pond; Cut thick pan feeding pump intake and connect equalization pond outlet, cut thick pan feeding pump discharge and connect classifying cyclone feeding mouth, classifying cyclone underflow opening connects vibration sieve bend feeding end, vibration sieve bend discharge end connects concentrate pond, floatation feed pond is connected below vibration sieve bend, the entrance of floatation feed pump connects the outlet of floatation feed pond, and floatation feed pump discharge is connected with floatation equipment, is connected bottom floatation equipment with concentrate pond.The utility model is by carrying out cutting thick recovery to entering low grey coarse grain coal slime in floating ore pulp, efficiently solve the problem that coarse grain coal slime flotation recovery rate is low, cutting slightly by entering the pre-current stabilization of floating ore pulp, decreasing the coarse granule quantity entering flotation, reduce flotation medicine consumption, improve clean coal recovery.

Description

Thick floatation equipment is cut based on entering the pre-current stabilization of floating ore pulp

Technical field

The utility model belongs to chemical industry, mineral manufacture field, particularly relates to a kind of floatation equipment of fine-particle minerals sorting process, is applicable to the sorting containing the floating of a large amount of low grey coarse granule coal slime and other metallic ore or nonmetallic ore,

Background technology

Along with the application etc. of universal, the application of Coal Cleaning by Dense Medium Cyclone of comprehensive mining machinery, old mining area ature of coal variation and separation of coarse slime equipment; primary slime amount and secondary slime amount in Recognition Applied in Coal Preparation System is caused greatly to increase; and along with coal slime classifying cyclone maximize development; in classifying cyclone overflow (entering floating ore pulp), coarse granule tramp increases; and the sorting of classifying cyclone makes the coarse granule ash content in overflow lower, cause the coarse granule cumulative ash content of >0.25mm in floating ore pulp lower than 10%.Floatation equipment is not high to the coarse grained rate of recovery, and the medicine of coarse granule flotation consumption is higher, result causes the low grey coarse granule coal slime of large losses in flotation tailing, seriously hinder coal separation maximize yield process, if simultaneously the product moisture after flotation concentrate press filtration greatly can be reduced containing appropriate coarse granule coal slime in flotation concentrate.These changes require to realize innovation for the floatation feed containing a large amount of low grey coarse granule coal slime on sorting process.

The coarse granule slime separation recovery process of industrial applications mainly contains three kinds at present: the direct recovery process of stage flotation, separation of coarse slime and coarse slime.High, the complex process of stage flotation medicine consumption; Separation of coarse slime equipment investment is large, recovery system complex process; The direct recovery process of coarse slime is mainly for the situation that in coal slime, coarse granule granularity is large, content is many, and the coal slime reclaimed is mixed in cleaned coal as product after needing dehydration separately, and in floatation feed, pulp density is low, coarse granule content is limited, coarse slime directly reclaims and is difficult to reach good effect.

Utility model content

In order to overcome the weak point that prior art exists, solve the problem that in floating ore pulp, low grey coarse granule slime separation reclaims, the utility model provides a kind of and cuts thick floatation equipment based on entering the pre-current stabilization of floating ore pulp.

For achieving the above object, the technical scheme that the utility model is taked is:

Cutting a thick floatation equipment based on entering the pre-current stabilization of floating ore pulp, comprising equalization pond, concentrate pond, classifying cyclone, vibration sieve bend, floatation equipment, cutting thick pan feeding pump and floatation feed pump, multiple stabilier is installed in equalization pond; Above-mentioned each parts annexation is:

Cut thick pan feeding pump intake and connect equalization pond outlet, cut thick pan feeding delivery side of pump and connect classifying cyclone feeding mouth, classifying cyclone underflow opening connects vibration sieve bend feeding end, vibration sieve bend discharge end connects concentrate pond, floatation feed pond is connected below vibration sieve bend, the entrance of floatation feed pump connects the outlet of floatation feed pond, and floatation feed pump discharge is connected with floatation equipment, is connected bottom floatation equipment with concentrate pond.

Above-mentioned floatation equipment is utilized to carry out the technique of flotation as follows:

The first step, carries out current stabilization sedimentation by entering below stabilier that floating ore pulp feeds in equalization pond;

Second step, the fine grained overflow after equalization pond current stabilization enters floatation feed pond, and high concentration coarse granule underflow squeezes into classifying cyclone by cutting thick pan feeding pump;

3rd step, classifying cyclone concentrates the overflow substance of classification from flowing into floatation feed pond, and underflow enters vibration sieve bend;

4th step, the undersize material gravity flow of vibration sieve bend enters floatation feed pond, and on-the-sieve material obtains final low grey coarse granule coal slime and feeds in concentrate pond after desliming;

5th step, the overflow substance flowed in floatation feed pond is fed in floatation equipment by floatation feed pump carries out sorting, and the concentrate gravity flow floatingly selected enters concentrate pond, in concentrate pond with cut the low grey coarse granule coal slime slightly mix after as final concentrate product;

6th step, the mine tailing that floatation equipment floatingly selects is as true tailings product.

Operation principle of the present utility model and good effect are, this technique adopts pre-current stabilization, cyclone classification, screening desliming and flotation four steps, with equalization pond, classifying cyclone and vibration sieve bend as cutting thick equipment, obtain concentrate product after cutting the low grey coarse granule coal slime slightly and flotation concentrate mixing, flotation tailing is as product from failing.This technological process is simple, device layout is reasonable, by carrying out cutting thick recovery to entering the low grey coarse grain coal slime of >0.25mm in floating ore pulp, efficiently solve the problem that coarse grain coal slime flotation recovery rate is low, cut slightly by entering the pre-current stabilization of floating ore pulp, decrease the coarse granule quantity entering flotation, reduce flotation medicine consumption, improve clean coal recovery.Cut the low grey coarse grain coal slime slightly obtained and mix flotation concentrate, can effectively reduce cleaned coal ash of filting cake and moisture, solve the problem that the coarse granule coal slime flotation rate of recovery is low and flotation concentrate press filtration moisture is high, there is extensive promotional value.

Accompanying drawing explanation

Fig. 1 is the utility model screening installation layout drawing.

Fig. 2 is the utility model sorting process flow chart.

In figure: 1-equalization pond, 2-stabilier, 3-floatation feed pond, 4-cut thick pan feeding pump, 5-classifying cyclone, 6-vibration sieve bend, 7-concentrate pond, 8-floatation feed pump, 9-floatation equipment, A-enter floating ore pulp, the low grey coarse grain coal slime of B-, C-flotation concentrate, D-flotation tailing.

Detailed description of the invention

Below in conjunction with accompanying drawing, enforcement of the present utility model is further described:

As shown in Figure 1, of the present utility model enter the pre-current stabilization of floating ore pulp cut thick equipment, comprise equalization pond 1, floatation feed pond 3, concentrate pond 7, classifying cyclone 5, vibration sieve bend 6, floatation equipment 9, cut thick pan feeding pump 4 and floatation feed pump 8, the stabilier 2 of some, inclination angle and area is installed in described equalization pond.

Annexation is, cut thick pan feeding pump 4 entrance connection equalization pond 1 to export, the outlet cutting thick pan feeding pump 4 connects classifying cyclone 5 feeding mouth, classifying cyclone 5 underflow opening connects vibration sieve bend 6 feeding end, vibration sieve bend 6 discharge end connects concentrate pond 7, connects floatation feed pond 3 below vibration sieve bend 6, and the entrance of floatation feed pump 8 connects floatation feed pond 3 and exports, floatation feed pump 8 outlet is connected with floatation equipment 9, is connected bottom floatation equipment 9 with concentrate pond 7.

As can be seen from Fig. 1-2: the technique utilizing equipment of the present utility model to carry out flotation comprises pre-current stabilization, cyclone classification, screening desliming and flotation four in six steps:

The first step, first will enter current stabilization sedimentation below stabilier 2 that floating ore pulp A feeds in equalization pond 1;

Second step, after equalization pond 1 current stabilization, part fine grained enters floatation feed pond 3 through downflow weir gravity flow, and the coarse granule after precipitation squeezes into classifying cyclone 5 through cutting thick pan feeding pump 4;

3rd step, after classifying cyclone 5 concentrates classification, the gravity flow of overflow fine grained enters floatation feed pond 3, and underflow coarse granule enters vibration sieve bend 6;

4th step, the undersize material gravity flow of vibration sieve bend 6 enters floatation feed pond 3, and on-the-sieve material obtains final low grey coarse granule coal slime B and feeds in concentrate pond 7 after desliming;

5th step, the ore pulp in floatation feed pond 3 is squeezed into floatation equipment 9 through floatation feed pump 8 and is carried out sorting, and flotation concentrate C gravity flow enters concentrate pond 2, as final concentrate product after flotation concentrate C and section low grey coarse granule coal slime B slightly obtained mixes;

6th step, the flotation tailing D that floatation equipment 9 floatingly selects is as true tailings product.

Claims (1)

1. cutting a thick floatation equipment based on entering the pre-current stabilization of floating ore pulp, it is characterized in that, it comprises equalization pond, concentrate pond, classifying cyclone, vibration sieve bend, floatation equipment, cuts thick pan feeding pump and floatation feed pump, is provided with multiple stabilier in equalization pond; Above-mentioned each parts annexation is:

Cut thick pan feeding pump intake and connect equalization pond outlet, cut thick pan feeding delivery side of pump and connect classifying cyclone feeding mouth, classifying cyclone underflow opening connects vibration sieve bend feeding end, vibration sieve bend discharge end connects concentrate pond, floatation feed pond is connected below vibration sieve bend, the entrance of floatation feed pump connects the outlet of floatation feed pond, and floatation feed pump discharge is connected with floatation equipment, is connected bottom floatation equipment with concentrate pond.