CN217569011U - Ceramic continuous ball mill sieve plate - Google Patents

Abstract

The utility model relates to a ceramic continuous ball mill sieve plate. Including ball mill comb, sieve plate, the ball mill comb is fan-shaped, and a plurality of ball mill combs assemble into a circular shape whole, it link up the round hole to have seted up a plurality of cones on the ball mill comb, and the cone link up the round hole and is located ball mill barrel inner chamber one end diameter and be greater than a discharge surface one end, and the cone link up the round hole inner face and is provided with embedded welt with one heart, is equipped with a plurality of bolts on the circumference of round hole centre of a circle round the cone, suit nut on the bolt, and the sieve plate passes through the bolt and fixes on ball mill comb plane with the nut, and the sieve plate link up round hole position one-to-one with the cone.

Description

Ceramic continuous ball mill sieve plate

Technical Field

The utility model belongs to the technical field of the ceramic ball mill, in particular to ceramic continuous ball mill sieve plate.

Background

The frequent blockage of the grid plate in the cylinder body of the ceramic continuous ball mill is one of the main factors which troubles the running efficiency of the ball mill. The grate plate is used as an essential part of the ball mill and has the function of blocking ball stones and allowing ground slurry to be normally discharged through the grate plate, the grate plate commonly used for the existing ceramic ball mill on the market is in a hole shape, a strip shape and the like, and due to the factors such as design, shape, material and the like, the small ball stones of the grinding bodies are easily clamped in the grate gaps to block the grate gaps, so that the material passing capacity of the ball mill is poor, slurry meeting the fineness requirement in a cylinder of the ball mill cannot be normally discharged through the grate plate, the grinding efficiency and ball milling power consumption of the ball mill are directly influenced, and the continuous ball mill needs to be stopped for inspection, and the ball mill can be restarted for work after the small ball stones of the grinding bodies on the blocked grate plate are removed. Therefore, the continuous ball mill cannot work continuously due to the blockage of the grid gap on the grid plate, time and labor are wasted, the labor intensity and the cost are increased, and when the blockage is serious and the discharge flow rate of slurry is less than the ball inlet flow rate, the slurry can overflow from a feed inlet of the ball mill, so that the production field is disordered, and the production quality and the productivity of ceramic slurry are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, providing a difficult jam gap, arrange the thick liquid ability well and change and maintain convenient ceramic continuous ball mill sieve board.

The technical solution of the utility model is ceramic continuous ball mill sieve plate, its special character lies in, including ball mill comb, sieve plate, the ball mill comb is fan-shaped, and a plurality of ball mill comb are assembled into a circular shape whole, it link up the round hole to have seted up a plurality of cones on the ball mill comb, and the toper link up the round hole and is located ball mill barrel inner chamber one end diameter and is greater than a charge level one end, and the toper link up the round hole inner face and is provided with embedded welt with one heart, is equipped with a plurality of bolts round the toper on the circumference that link up the round hole centre of a circle, and suit nut on the bolt, sieve plate pass through the bolt and fix on ball mill comb plane with the nut, and sieve plate and toper link up round hole position one-to-one.

Preferably, the method comprises the following steps: the sieve plate consists of an annular channel steel sieve frame and sieve laths uniformly distributed in the annular channel steel sieve frame; the sieve plate is formed by welding a plurality of sieve laths in a positive and negative overlapping and combining manner, and the sieve laths are welded into a whole combined with the annular channel steel screen frame.

Preferably, the method comprises the following steps: the sector shape of the grate plate of the ball mill is phi 995mm large outside and phi 99.5mm small inside, the aperture diameter of one end of the inner cavity of the conical through circular hole is 160mm, and the aperture diameter of one end of the discharge surface is 100mm.

Preferably, the method comprises the following steps: the sieve laths and the sieve laths are overlapped to form a plurality of cuboid arc-shaped cavities, the sieve laths are composed of a plurality of U-shaped members which are formed in a staggered mode, the outer diameter size and the inner diameter size of an arc transition portion are R1.5 and R6.5, two ends of each sieve lath are internally tangent to the inner side of the annular groove steel sieve frame to form upper end and lower end arc-shaped cavities, the cuboid cavities and the arc-shaped cavities form a whole, the sieve laths are tightly installed, no gap is reserved in the middle, a cuboid arc-shaped cavity is formed between the two sieve laths, and the sieve plates form a continuous ball mill grate plate whole and are installed at a discharge port of the ball mill.

Preferably, the method comprises the following steps: the rectangular arc-shaped cavity is 15mm long, 5mm wide and 10mm high.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a sieve lath positive and negative stack forms convex cavity on the sieve board, and large-size ball stone is blockked outside, and small-size ball stone falls into convex cavity, and in rotating the ball mill barrel that falls back along with the ball mill, the ground slurry passes through the sieve board and in time discharges, and the slurry fluid trafficability characteristic is good, effectively prevents that ball stone medium from blockking up the comb board gap, has realized ball stone medium and slurry separation, has improved continuous ball mill work efficiency and production productivity.

The grate plate of the ball mill and the sieve plate are designed in a separating mode, the sieve plate and the conical round holes penetrating through the grate plate of the ball mill are in one-to-one correspondence, when the single sieve plate is damaged, the sieve plate can be independently detached, replaced and maintained conveniently, meanwhile, the sieve plate is made of stainless steel as a framework, the wear-resisting and durable performance is better, and the defects that the existing sieve plate is prone to deformation and abrasion are effectively overcome. The sieve lath and the annular channel steel screen frame are made of stainless steel, so that the service life of the sieve plate can be prolonged.

Drawings

FIG. 1 is a schematic view of the structure of a grate plate of a ball mill of the utility model;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the three-dimensional structure of the ball mill grid plate of the present invention;

FIG. 4 is a schematic diagram of a sieve plate structure of the ball mill of the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the sieve plate of the ball mill of the present invention;

figure 6 is a schematic view of the construction of a screen panel according to the invention;

fig. 7 is a schematic structural view of the screen slats and the arc-shaped cavities of the present invention;

fig. 8 is a schematic perspective view of the screen slats and the arc-shaped cavity of the present invention;

FIG. 9 is the overall structure of the assembled grate plate of the ball mill of the present invention;

fig. 10 is a three-dimensional structure schematic diagram of the combined grate plate of the ball mill of the present invention.

Description of the main component symbols:

Detailed Description

The utility model discloses the following will make further detail with the accompanying drawing:

referring to fig. 1, the ceramic continuous ball mill sieve plate comprises a ball mill grid plate 1 and a sieve plate 2, wherein the ball mill grid plate 1 is fan-shaped, is made of end-of-year rubber, and is phi 995mm in outer diameter and phi 99.5mm in inner diameter.

Referring to fig. 4 to 5, 9 to 10 and 1 to 3, a plurality of ball mill grates 1 are assembled into a whole, a plurality of conical circular holes 11 are formed in the ball mill grates 1, the diameter of each conical circular hole 11 at one end of an inner cavity of a ball mill cylinder is larger than that of one end of a discharge surface, the diameter of the aperture of one end of the inner cavity is 160mm, the diameter of the aperture of one end of the discharge surface is 100mm, an embedded lining plate 12 is concentrically arranged on the inner surface of each conical circular hole 11, 4 bolts 13 are arranged around the circumference of the center of each conical circular hole 11, nuts 14 are sleeved on the bolts 13, the sieve plates 2 are fixed on the plane of the ball mill grates 1 through the bolts 13 and the nuts 14, the sieve plates 2 are convenient to detach and maintain, and the positions of the sieve plates 2 correspond to the positions of the conical circular holes 11 one by one.

Referring to fig. 6 to 8, the sieve plate 2 includes an annular channel steel frame 21 and sieve slats 22, the sieve plate 2 is formed by welding a plurality of sieve slats 22 in a positive and negative overlapping manner, the plurality of sieve slats are welded into a whole and combined with the annular channel steel frame 21, and the sieve slats and the annular channel steel frame are made of stainless steel, so that the service life of the sieve plate can be prolonged; the sieve laths and the sieve laths are overlapped to form a plurality of cuboid arc-shaped cavities 23, the sieve laths are formed by cuboid transition and arc transition, the outer diameter size and the inner diameter size of the arc transition part are R1.5 and R6.5, the two ends of the sieve laths are internally tangent with the inner side of the annular groove steel sieve frame to form an upper end arc-shaped cavity and a lower end arc-shaped cavity, the cuboid cavity and the arc-shaped cavity form a whole, the sieve laths are tightly installed without gaps in the middle, the cuboid arc-shaped cavity 23 is formed between the two sieve laths 22, the arc-shaped cavity 23 is 15mm long, 5mm wide and 10mm high, the sieve plates form a continuous ball mill grid plate whole and are installed at the discharge port of the ball mill,

referring to fig. 1 to 10, when the barrel of the continuous ball mill is operated, slurry passes through the sieve plate during the ball milling process, the pebble media with the size larger than 5mm mixed with the slurry are blocked by the sieve plate strips, the pebble media with the size smaller than 5mm can enter the arc-shaped cavity, the sieve plate rolls down the pebble media falling into the barrel of the ball mill from two sides along with the operation of the ball mill, slurry is continuously ground, and the slurry is discharged in time through the sieve plate, so that separation of the pebble media from the slurry is realized.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the claims of the present invention should be covered by the scope of the claims of the present invention.

Claims (5)

1. The utility model provides a pottery continuous ball mill sieve plate, its characterized in that, includes ball mill grid plate, sieve plate, the ball mill grid plate is fan-shaped, and a plurality of ball mill grid plates are assembled into a circular shape wholly, it link up the round hole to have seted up a plurality of cones on the ball mill grid plate, and the cone link up the round hole and is located ball mill barrel inner chamber one end diameter and be greater than a charge level one end, and the cone link up the round hole inner face and is provided with embedded welt with one heart, is equipped with a plurality of bolts on the circumference of round hole centre of a circle round the cone link up, suit nut on the bolt, sieve plate pass through the bolt and the nut is fixed on ball mill grid plate plane, sieve plate and cone link up round hole position one-to-one.

2. The ceramic continuous ball mill sieve plate of claim 1, wherein the sieve plate is composed of an annular channel steel sieve frame and sieve slats uniformly distributed in the annular channel steel sieve frame; the sieve plate is formed by welding a plurality of sieve laths in a positive and negative superposition combination mode, and the plurality of sieve laths are welded into a whole combined with the annular channel steel screen frame.

3. The ceramic sieve plate of the continuous ball mill according to claim 1, wherein the sector shape of the grate plate of the ball mill is phi 995mm large outside and phi 99.5mm small inside, the diameter of the aperture at one end of the inner cavity of the conical through circular hole is 160mm, and the diameter of the aperture at one end of the discharging surface is 100mm.

4. The ceramic sieve plate of the continuous ball mill according to claim 2, wherein the sieve plate strips and the sieve plate strips are overlapped to form a plurality of cuboid circular arc-shaped cavities, the sieve plate strips are composed of a plurality of U-shaped components which are formed in a staggered mode, the outer diameter size and the inner diameter size of the circular arc transition part are R1.5 and R6.5, two ends of the sieve plate strips are internally tangent to the inner side of the annular groove steel sieve frame to form circular arc-shaped cavities at the upper end and the lower end, the cuboid cavities and the circular arc-shaped cavities form a whole, the sieve plate strips are tightly installed, no gap is left in the middle, a circular arc-shaped cuboid cavity is formed between the two sieve plate strips, and the sieve plate strips form a whole of the continuous ball mill and are installed at a discharge port of the ball mill.

5. The ceramic sieve plate of the continuous ball mill according to claim 4, wherein the rectangular arc-shaped cavity is 15mm long, 5mm wide and 10mm high.

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