CN212524514U

CN212524514U - Hydraulic cyclone ore grinding and grading device

Info

Publication number: CN212524514U
Application number: CN202020839370.5U
Authority: CN
Inventors: 孙海洋; 谢铎鸣; 王玉甫; 李大亮
Original assignee: Henan Faende Mining Co ltd
Current assignee: Henan Faende Mining Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-02-12
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a hydraulic cyclone ore grinding grading device, which comprises a support frame, wherein a plurality of groups of cyclones are arranged at the upper part inside the support frame, each group of cyclones is fixedly connected with the support frame through a support rib plate, an ore pulp feed pipe is arranged at one side of the upper part of the support frame, a pressure gauge is arranged on the ore pulp feed pipe, and the ore pulp feed pipe leads out ore feed pipes which are communicated with inlets of the plurality of groups of cyclones in a one-to-one correspondence manner; the upper portion opposite side of support frame is equipped with the overflow launder, and the inside of overflow launder is equipped with the baffle, and the baffle divides into feeding area and overflow area with the inner chamber of overflow launder, and the upper portion overflow mouth of each group's swirler all communicates the one end that has the overflow pipe. The utility model discloses increased the hierarchical throughput of ore pulp, classified material then gets into flotation equipment from the discharging pipe through the overflow of baffle and pectination in the overflow launder, and the large granule debris among the classified material is detained in the feeding district in the overflow launder, avoids the large granule debris to produce adverse effect to flotation equipment.

Description

Hydraulic cyclone ore grinding and grading device

Technical Field

The utility model relates to an ore grinding equipment technical field specifically is a hydraulic cyclone ore grinding grading plant.

Background

The hydraulic grinding and classifying equipment is widely applied to ore grinding operation, the classifying function is that coarse particles are separated out and returned to the ball mill for regrinding, the fine particles enter the flotation equipment, the classifying process is often inaccurate in classifying precision and low in classifying efficiency, coarse particles entering the flotation equipment are increased, adverse effects are generated on the flotation equipment, a single cyclone is selected for general classifying equipment, the classifying effect of the single cyclone cannot meet the actual production requirement, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, a water conservancy whirl grinds ore grading plant is provided, the stage treatment ability of ore pulp has been increased, the classified material then gets into flotation equipment from the discharging pipe through the overflow of baffle and pectination in the overflow launder, and the large granule debris among the classified material are detained in the feeding zone in the overflow launder, further select separately the edulcoration, avoid the large granule debris to produce adverse effect to flotation equipment, can effectively solve the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydrocyclone grinding and grading device comprises a support frame, wherein a plurality of groups of cyclones are arranged at the upper part in the support frame, each group of cyclones is fixedly connected with the support frame through a support rib plate, an ore pulp feed pipe is arranged on one side of the upper part of the support frame, a pressure gauge is installed on the ore pulp feed pipe, and ore pulp feed pipes which are communicated with liquid inlets of the plurality of groups of cyclones in a one-to-one correspondence mode are led out of the ore pulp feed pipes; the overflow groove is arranged on the other side of the upper portion of the supporting frame, a partition plate is arranged inside the overflow groove and divides an inner cavity of the overflow groove into a feeding area and an overflow area, an overflow port in the upper portion of each group of cyclones is communicated with one end of an overflow pipe, the other end of the overflow pipe extends into the bottom of the feeding area, and a discharge pipe communicated with the overflow area is arranged on the side face of the overflow groove.

Preferably, the upper part of the partition plate is provided with a comb-shaped part, and the height of the comb-shaped part on the upper part of the partition plate is lower than the depth of the overflow groove.

Preferably, the lower part of the inside of the support frame is provided with a sand settling tank correspondingly positioned at the sand outlets of the plurality of groups of cyclones, the side surface of the sand settling tank is provided with a sand discharge pipe, and the sand discharge pipe is provided with a valve.

Preferably, the bottom of the overflow groove is provided with a pipeline communicated with the feeding area, the bottom end of the pipeline extends into the grit chamber, and the pipeline is provided with a valve.

Preferably, each set of the cyclones comprises a cylindrical barrel, a conical barrel I and a conical barrel II which are communicated in sequence, and the cylindrical barrel, the conical barrel I and the conical barrel II are connected through flanges and bolts.

Preferably, the overflow pipe extends into the cylindrical barrel, and the ore feeding pipe is connected with the outer wall of the cylindrical barrel in a tangential feeding mode.

Compared with the prior art, the beneficial effects of the utility model are that: this hydraulic cyclone grinds ore grading plant, through setting up the multiunit swirler, the classification throughput of ore pulp has been increased, the multiunit swirler all communicates through overflow pipe and overflow launder, the classified material gets into flotation equipment through the discharging pipe at last through baffle and comb's overflow in the overflow launder, and the large granule debris among the classified material is detained in the feeding zone in the overflow launder, further select separately the edulcoration, avoid large granule debris to produce adverse effect to flotation equipment, the grit chamber can collect the coarse sand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the comb structure of the present invention;

fig. 4 is a schematic structural diagram of the cyclone of the present invention.

In the figure: 1 ore pulp feed pipe, 2 ore feeding pipes, 3 cyclones, 301 cylindrical barrel, 302 conical barrel I, 303 conical barrel II, 4 overflow pipes, 5 overflow grooves, 6 partition plates, 601 comb parts, 7 discharge pipes, 8 pipelines, 9 sand discharge pipes, 10 sand settling tanks, 11 support frames and 12 support rib plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hydrocyclone grinding and grading device comprises a support frame 11, wherein multiple groups of cyclones 3 are arranged on the upper portion inside the support frame 11, the grading treatment capacity of ore pulp is improved by arranging the multiple groups of cyclones 3, each group of cyclones 3 is fixedly connected with the support frame 11 through support rib plates 12, an ore pulp feed pipe 1 is arranged on one side of the upper portion of the support frame 11, a pressure gauge is installed on the ore pulp feed pipe 1 and used for checking the feed pressure of the ore pulp, and the ore pulp feed pipes 2 which are communicated with the inlets of the multiple groups of cyclones 3 in a one-to-one correspondence mode are led out of the ore; the other side of the upper part of the support frame 11 is provided with an overflow trough 5, a partition plate 6 is arranged inside the overflow trough 5, the partition plate 6 divides the inner cavity of the overflow trough 5 into a feeding area and an overflow area, the overflow port of the upper part of each group of cyclones 3 is communicated with one end of an overflow pipe 4, the other end of the overflow pipe 4 extends to the bottom of the feeding area, and the side surface of the overflow trough 5 is provided with a discharge pipe 7 communicated with the overflow area;

the comb-shaped part 601 is arranged at the upper part of the clapboard 6, and the height of the comb-shaped part 601 at the upper part of the clapboard 6 is lower than the depth of the overflow chute 5;

through the grading treatment of the plurality of groups of cyclones 3, the graded material overflows from the overflow groove 5 through the partition plate 6 and the comb part 601 and finally enters into the flotation equipment through the discharge pipe 7, and large-particle impurities in the graded material are retained in a feeding area in the overflow groove 5 for further separation and impurity removal, so that the adverse effect of the large-particle impurities on the flotation equipment is avoided, and the grit chamber can collect coarse sand;

the lower part of the inside of the support frame 11 is provided with a grit chamber 10 correspondingly positioned at the sand outlets of the plurality of groups of cyclones 3 and used for collecting coarse sand discharged from the plurality of groups of cyclones 3, the side surface of the grit chamber 10 is provided with a sand discharge pipe 9, and the sand discharge pipe 9 is provided with a valve;

a pipeline 8 communicated with the feeding area is arranged at the bottom of the overflow groove 5, the bottom end of the pipeline 8 extends into the grit chamber 10, a valve is arranged on the pipeline 8, and large-particle impurities and slurry retained in the feeding area of the overflow groove 5 are discharged into the grit chamber 10 through the pipeline 8;

each group of cyclones 3 comprises a cylindrical barrel 301, a conical barrel 302 and a conical barrel 303 which are communicated in sequence, and the cylindrical barrel 301, the conical barrel 302 and the conical barrel 303 are connected through flanges and bolts;

the overflow pipe 4 extends into the cylindrical barrel 301, and the ore feeding pipe 2 is connected with the outer wall of the cylindrical barrel 301 in a tangent feeding mode.

The working principle is as follows: when the device is used, an external slurry pump pumps slurry into a slurry liquid supply pipe 1, then the slurry enters a plurality of groups of cyclones 3 through a slurry supply pipe 2, the slurry is subjected to grading treatment of the groups of cyclones 3, the graded material enters an overflow groove 5 through an overflow pipe 4, overflow in the overflow groove 5 through a partition plate 6 and a comb part 601 finally enters flotation equipment through a discharge pipe 7, coarse sand subjected to grading treatment of the groups of cyclones 3 falls into a grit chamber 10 from a sand outlet, and large-particle impurities retained in a feeding area in the overflow groove 5 can enter the grit chamber 10 through a pipeline 8.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a water conservancy whirl ore grinding grading plant, includes support frame (11), its characterized in that: a plurality of groups of cyclones (3) are arranged on the upper portion inside the supporting frame (11), each group of cyclones (3) is fixedly connected with the supporting frame (11) through supporting rib plates (12), an ore pulp liquid supply pipe (1) is arranged on one side of the upper portion of the supporting frame (11), a pressure gauge is installed on the ore pulp liquid supply pipe (1), and ore pulp liquid supply pipes (2) which are communicated with liquid inlets of the plurality of groups of cyclones (3) in a one-to-one correspondence mode are led out of the ore pulp liquid supply pipe (1); the upper portion opposite side of support frame (11) is equipped with overflow launder (5), and the inside of overflow launder (5) is equipped with baffle (6), and baffle (6) divide into feeding district and overflow district with the inner chamber of overflow launder (5), and the upper portion overflow mouth of each group's swirler (3) all communicates the one end that has overflow pipe (4), and the other end of overflow pipe (4) stretches into feeding district bottom, the side of overflow launder (5) is equipped with discharging pipe (7) with overflow district intercommunication.

2. The hydrocyclone ore grinding and classifying device according to claim 1, wherein: the comb-shaped part (601) is arranged at the upper part of the clapboard (6), and the height of the comb-shaped part (601) at the upper part of the clapboard (6) is lower than the depth of the overflow trough (5).

3. The hydrocyclone ore grinding and classifying device according to claim 1, wherein: the sand settling tank (10) correspondingly positioned at sand outlets of the plurality of groups of cyclones (3) is arranged at the lower part of the inner part of the support frame (11), the sand discharge pipe (9) is arranged on the side surface of the sand settling tank (10), and a valve is arranged on the sand discharge pipe (9).

4. The hydrocyclone ore classification apparatus according to claim 3, wherein: the bottom of the overflow groove (5) is provided with a pipeline (8) communicated with the feeding area, the bottom end of the pipeline (8) extends into the grit chamber (10), and the pipeline (8) is provided with a valve.

5. The hydrocyclone ore grinding and classifying device according to claim 1, wherein: each group of the swirlers (3) comprises a cylindrical barrel (301), a conical barrel I (302) and a conical barrel II (303) which are sequentially communicated, and the cylindrical barrel (301), the conical barrel I (302) and the conical barrel II (303) are connected through flanges and bolts.

6. The hydrocyclone ore classification apparatus according to claim 5, wherein: the overflow pipe (4) extends into the cylindrical barrel (301), and the ore feeding pipe (2) is connected with the outer wall of the cylindrical barrel (301) in a tangential feeding mode.