CN204148111U - Screening concentration pot and comprise the enriched fineness measuring instrument of this screening concentration pot - Google Patents

Abstract

The utility model relates to a kind of enriched fineness measuring instrument sieving concentration pot and comprise this screening concentration pot, and described screening concentration pot comprises upper kettle body, screen barrel and lower kettle body; Described upper kettle body is made up of pars infundibularis, kettle neck and transition connection portion, and lower kettle body is made up of transition connection portion and base portion; Upper kettle body transition connection portion is threaded with lower kettle body transition connection portion, form a screen barrel accommodating cavity between the two, be provided with accommodating gap between screen barrel sidewall and the sidewall of this accommodating cavity, the bottom of screen barrel and the bottom of lower kettle body transition connection portion are formed to hold starches chamber.The utility model is easy and simple to handle, Measuring Time is short, certainty of measurement is high, be conducive to economizing on resources and improving the rate of recovery, be applicable to the flotation mill in all kinds of mine, magneticore-dressing plant, smeltery, laboratory and other industry to the mensuration of insoluble solid material ratio and solid material fineness in aqueous medium.

Description

Screening concentration pot and comprise the enriched fineness measuring instrument of this screening concentration pot

Technical field

The utility model belongs to ore pulp enriched fineness detection technique field, relates to a kind of enriched fineness measuring instrument sieving concentration pot and comprise this screening concentration pot.

Background technology

The ore dressing of major part metallic ore, all first by ore grinding, and it is levigate to add water, and then adopts the methods such as flotation, magnetic separation, hydrogenation to implement.The height of its rate of recovery index, pulp density fineness plays very important function.

Existing enriched fineness measures equipment and method, all first weighs to ore pulp, and weight, stored in the program preset, calculates solid material weight and proportion (i.e. concentration) in ore pulp total amount according to ore proportion; Then again ore pulp is poured in the sieve of corresponding order number and screen out the qualified material being less than this order number, remain defective material and be reinstalled topped up with water in former container, weighed amount also calculates defective solid material weight, and then extrapolates qualified solid ratio (i.e. fineness) shared in solid amount.It is dense, fineness or get being counted as table looks in instrument display screen display or by operator.

The subject matter of above-mentioned measuring method is: because operating procedure is many not easily by general producers grasp, take up the container finish of ore pulp less and pour out pour difficulty into, certainty of measurement is comparatively difficult to ensure card etc.

Therefore, this measurement equipment is not widely applied in most bargh.Ore pulp enriched fineness still adopts hand touch kettle amount or dry screening way by ore dressing administrative staff, by experience in quality analysis and management, inadaptable in real time to ore pulp dynamic monitoring needs, have impact on the raising of recovery rate in ore-dressing.

Summary of the invention

A technical problem to be solved in the utility model be ore pulp need not be poured out pour into can directly sieve, method of operating is simple, certainty of measurement is high screening concentration pot.

In order to solve the problems of the technologies described above, the utility model screening concentration pot comprises upper kettle body, screen barrel and lower kettle body; Described upper kettle body is made up of pars infundibularis, kettle neck and transition connection portion, and lower kettle body is made up of transition connection portion and base portion; Upper kettle body transition connection portion is flexibly connected with lower kettle body transition connection portion, form a screen barrel accommodating cavity between the two, be provided with accommodating gap between screen barrel sidewall and the sidewall of this accommodating cavity, the bottom of screen barrel and the bottom of lower kettle body transition connection portion are formed to hold starches chamber.

When measuring ore pulp enriched fineness: ore pulp filled screening concentration pot and weigh, the weight claimed is deducted the weight W of screening concentration pot kettle recuperation to current ore pulp ₄, then can calculate pulp density ρ according to formula (1), (2).

$\frac{W_4-W_1}{B_Z-1}\×B_Z=W_5---\left(1\right)$

$\frac{W_5}{W_4}\×100\%=\mathrm{\ρ}---\left(2\right)$

W ₁---the weight of the water that screening concentration pot can hold is certain value.

W ₅---load the gross weight of solid in the ore pulp of screening concentration pot.

B _z---the proportion of ore is certain value.

The mixing slurry of the qualified solid material now leached through screen barrel and water is stored in accommodating gap and holds in slurry chamber.Then by upper and lower kettle body separately, the upper kettle body and screen barrel that have the complete solid material of not sieved are placed in clear water to rotate, clean up and down, until all qualified solid materials are sifted out; The mixing slurry of solid material qualified in lower kettle body and water is use up and cleaned; Connect upper and lower kettle body and fill water, after after weighing, the weight obtained being deducted screening concentration pot filling the nt wt net weight of water, obtaining value W ₆, then can calculate this slurry fineness Δ (i.e. qualified solid proportion in solid amount) according to formula (4), (5).

$\frac{W_6-W_1}{B_Z-1}\×B_Z=W_7---\left(4\right)$

$(1-\frac{W_7}{W_5})\×100\%=\mathrm{\Δ}---\left(5\right)$

W ₇---defective solid weight in ore pulp.

The computational methods of ore proportion are:

In screening concentration pot, add weight is W ₂ore fines after again topped up with water (weight adding water should be more than or equal to 3W ₂), then weigh up the mixing slurry gross weight W of ore fines and water ₃, utilize formula (3) that ore proportion B can be calculated _z.

$\frac{W_3-W_1}{W_2}+1=B_Z---\left(3\right)$

Note: due to the inner Nature creating of part lump or through oxidation formation space, will estimating precision be affected.Therefore, in screening concentration pot the ore fines added about 50 orders can eliminate space, again can handled easily, ensure certainty of measurement.

When mine ore is without significant change, generally no longer replication ore proportion.

Tested material must be poured in the mesh screen of regulation order number and sieve by existing conventional screening equipment and method from normal concentrations kettle or other container, and the material existed in mesh screen must be poured again into topped up with water in normal concentrations kettle or other container and weigh.The more difficult loading of leftover materials because normal concentrations kettle oral area is less, in sieve, directly affects certainty of measurement.Other container is comparatively difficult to ensure again the uniformity of card sampling, is difficult to equally ensure certainty of measurement.When using the utility model, the material that water and part fineness are less than screen barrel order number can release from screen barrel, but still is retained in screening concentration pot, and ensureing that mensuration solid material weight and concentration calculate needs.After Concentration Testing, leftover materials rest in screening concentration pot upper kettle body and screen barrel, the solid material being less than screen barrel order number in remaining solid material can be cleaned and leach by operator easily in water, thus determine defective material proportion in total solid material that fineness is greater than screen barrel order number, and then extrapolate qualified solid material proportion and fineness in total solid material.

Further, screening concentration pot of the present utility model also comprises spacing advection pipe, and described spacing advection pipe is horizontally fixed on the kettle neck below upper kettle body pars infundibularis.Guarantee the uniformity loading water or pulp volume.

Described upper kettle body transition connection portion is connected with screen barrel by internal thread.

Described upper kettle body transition connection portion is connected with lower kettle body transition connection portion by external screw thread.

Water or ore pulp think that water or ore pulp have filled screening concentration pot when spacing advection pipe flows out.Under ensureing that the ore pulp sample got loads screening concentration pot prerequisite smoothly, reduce the cross-sectional area of kettle neck as far as possible, minimum to ensure the error of the sampling volume when kettle body is vertical not, thus improve certainty of measurement.

Second technical problem to be solved in the utility model is to provide a kind of enriched fineness measuring instrument comprising above-mentioned screening concentration pot.

Described enriched fineness measuring instrument also comprises main frame, and this main frame comprises the scale pan, pressure sensor, processor, host machine casing, LCD display; Described pressure sensor to be arranged on below the scale pan and to be positioned at host machine casing, and it exports connection handling device; LCD display is arranged on host machine casing, and processor exports and is connected with LCD display.

Screening concentration pot net weight, the weight W of water that can hold ₁, ore proportion B _zbe preset in processor, processor directly can calculate pulp density ρ according to formula (1), (2), directly slurry fineness Δ is calculated according to formula (4), (5), operate very easy, common producers point out the enriched fineness measuring method that can skillfully grasp by instrument display screen, Measuring Time short (can complete for one-shot measurement 1-2 minute), certainty of measurement are high, be conducive to economizing on resources and improving the rate of recovery, provide reliable basis for producers carry out monitoring in real time to beneficiation flowsheet.The utility model product is applicable to the flotation mill in all kinds of mine, magneticore-dressing plant, smeltery, laboratory and other industry mensuration (namely concentration, fineness measure) to insoluble solid material ratio and solid material fineness in aqueous medium.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Fig. 1 is screening concentration pot stereogram of the present utility model.

Fig. 2 is screening concentration pot sectional view of the present utility model.

Fig. 3 is enriched fineness measuring instrument main frame sectional view.

Fig. 4 is enriched fineness measuring instrument main frame top view.

Detailed description of the invention

As shown in Figure 1 and Figure 2, screening concentration pot of the present utility model comprises upper kettle body 1, screen barrel 2 and lower kettle body 3, spacing advection pipe 4; Described upper kettle body 1 is made up of pars infundibularis 11, kettle neck 12 and transition connection portion 13, and lower kettle body 3 is made up of transition connection portion 31 and base portion 32; Upper kettle body transition connection portion 13 is threaded with lower kettle body transition connection portion 31 (or other modes that removably connect) by external screw thread, forms a screen barrel accommodating cavity between the two.Upper kettle body transition connection portion is connected with screen barrel by internal thread.With accommodating gap 51 between the sidewall of screen barrel 2 and the sidewall of this accommodating cavity, the bottom of screen barrel 2 and the bottom of lower kettle body transition connection portion 31 are formed to hold starches chamber 52.Spacing advection pipe 4 is horizontally fixed on the kettle neck 12 of upper kettle body.

As shown in Figure 3, Figure 4, except screening concentration pot, enriched fineness measuring instrument also comprises main frame, and this main frame comprises the scale pan 61, pressure sensor 62, processor, host machine casing 64, LCD display 65; Described pressure sensor 62 is arranged on below pan of a steelyard 61, and it exports connection handling device; Processor is fixed on wiring board 63, and pressure sensor 62 and wiring board 63 are located in host machine casing 64, and LCD display 65 is arranged on host machine casing 64, and processor exports and is connected with LCD display 65.Processor can adopt single-chip microcomputer etc. to have the chip of operation processing function.

Described screening concentration pot can adopt PC to expect injection mo(u)lding, with corrosion-resistant and anti-crushing, improves the anti-adhesion effect of kettle inwall.Under ensureing that the ore pulp sample got loads concentration pot prerequisite smoothly, reduce the cross-sectional area of kettle neck as far as possible, ensure that the error of the sampling volume when kettle body is vertical is not minimum.The upper and lower kettle body of screening concentration, by being threaded, is Leakage prevention, is furnished with leakage proof gasket therebetween.Screen barrel is threaded with upper kettle body, ensures that the defective solid of tested ore pulp loaded all rests in the screen barrel of screening concentration pot.

Well matched 200 orders of described screen barrel one (flotation mill uses), 325 orders (smeltery uses) screen cloth, then make reinforcement and its cementation and formation through injection moulding, upper edge has screw thread to be connected with the upper kettle body of screening concentration pot.Also the screen barrel of special order number can be joined according to user's request system.

Claims (5)

1. sieve a concentration pot, it is characterized in that comprising upper kettle body (1), screen barrel (2) and lower kettle body (3); Described upper kettle body (1) is made up of pars infundibularis (11), kettle neck (12) and transition connection portion (13), and lower kettle body (3) is made up of transition connection portion (31) and base portion (32); Upper kettle body transition connection portion (13) is flexibly connected with lower kettle body transition connection portion (31), form a screen barrel accommodating cavity between the two, be provided with accommodating gap (51) between the sidewall of screen barrel (2) and the sidewall of this accommodating cavity, the bottom of screen barrel (2) is connected (31) bottom with lower kettle body transition is formed to hold starches chamber (52).

2. screening concentration pot according to claim 1, characterized by further comprising spacing advection pipe (4), and described spacing advection pipe (4) is horizontally fixed on the kettle neck (12) below upper kettle body pars infundibularis.

3. screening concentration pot according to claim 1, is characterized in that described upper kettle body transition connection portion (13) is connected with screen barrel (2) by internal thread.

4. screening concentration pot according to claim 3, is characterized in that described upper kettle body transition connection portion (13) is connected with lower kettle body transition connection portion (31) by external screw thread.

5. one kind comprises the enriched fineness measuring instrument of screening concentration pot as claimed in claim 1, characterized by further comprising main frame, this main frame comprises the scale pan (61), pressure sensor (62), processor, host machine casing (64), LCD display (65); Described pressure sensor (62) is arranged on the scale pan (61) below and be positioned at host machine casing (64), and it exports connection handling device; LCD display (65) is arranged on host machine casing (64), and processor exports and is connected with LCD display (65).