CN210545759U

CN210545759U - Multistage cyclone separation mechanism for lead concentrate

Info

Publication number: CN210545759U
Application number: CN201921569459.8U
Authority: CN
Inventors: 程德海; 汪鸿; 盛吉春
Original assignee: Dexing Xinmao Industry Co Ltd
Current assignee: Dexing Xinmao Industry Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-19
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to a multistage cyclone separating mechanism of lead concentrate, including one-level sieving mechanism, second grade sieving mechanism, tertiary sieving mechanism, second grade drifting pump, tertiary drifting pump, conveying of raw material pipe, overflow water pipe and overflow water tank, conveying of raw material pipe links to each other with the one-level sieving mechanism, the one-level sieving mechanism links to each other with the second grade drifting pump, the second grade drifting pump link to each other with the second grade sieving mechanism links to each other with the tertiary drifting pump, the tertiary drifting pump links to each other with tertiary sieving mechanism, tertiary sieving mechanism links to each other with the overflow water pipe, overflow water piping connection overflow water tank. The utility model belongs to the technical field of the ore dressing apparatus, specifically a combine the form characteristics of lead concentrate ore dressing in-process ore, utilize the cyclone separation sieve to realize screening the grading to the lead concentrate ore that the particle size is different with the lead content, and have the multistage cyclone separation mechanism of the lead concentrate of concentration to the ore.

Description

Multistage cyclone separation mechanism for lead concentrate

Technical Field

The utility model belongs to the technical field of the ore dressing apparatus, specifically indicate a multistage cyclone separation mechanism of lead concentrate.

Background

The fluid cyclone is a common separation and classification device utilizing the centrifugal sedimentation principle, and after suspension enters the cyclone tangentially from the periphery of the cyclone under a certain pressure, strong three-dimensional elliptic strong-rotation shearing turbulent flow motion is generated; because the particle size difference exists between the coarse particles and the fine particles, the coarse particles and the fine particles are subjected to different sizes of centrifugal force, centripetal buoyancy, fluid drag force and the like, and under the action of centrifugal sedimentation, most of the coarse particles are discharged through a bottom flow port of the cyclone, and most of the fine particles are discharged through an overflow pipe, so that the purposes of separation and classification are achieved.

Lead concentrate is in a solid-liquid mixed state after flotation, contains a large amount of moisture, and large particles are mixed with small particles, and ores with high lead content and low lead content, moisture must be removed as far as possible before smelting, and necessary classification is carried out according to the size of the ores and the lead content, so that the subsequent working procedures can be carried out and the process can be better executed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a form characteristics that combine lead concentrate ore dressing in-process ore utilize the cyclone separation sieve commonly used, realize screening the multistage cyclone separation mechanism of grading and the lead concentrate that has the concentration to the ore to the lead concentrate ore that the particle size and lead content are different.

The utility model adopts the following technical scheme: the utility model provides a multistage cyclone separating mechanism of lead concentrate, includes one-level sieving mechanism, second grade sieving mechanism, tertiary sieving mechanism, second grade drifting pump, tertiary drifting pump, conveying of raw materials pipe, overflow water pipe and overflow water tank, the conveying of raw materials pipe links to each other with one-level sieving mechanism, one-level sieving mechanism links to each other with the second grade drifting pump, the second grade drifting pump links to each other with the second grade sieving mechanism, the second grade sieving mechanism links to each other with the tertiary drifting pump, tertiary drifting pump links to each other with tertiary sieving mechanism, tertiary sieving mechanism links to each other with the overflow water pipe, overflow water pipe connection overflow water tank.

Furthermore, the primary screening device comprises a primary cyclone screen and a primary ore receiving hopper, and the primary ore receiving hopper is arranged below the primary cyclone screen; the secondary screening device comprises a secondary cyclone screen and a secondary ore receiving hopper, and the secondary ore receiving hopper is arranged below the secondary cyclone screen; the tertiary sieving mechanism comprises a tertiary cyclone sieve and a tertiary ore receiving hopper, and the tertiary ore receiving hopper is arranged below the tertiary cyclone sieve.

Furthermore, a raw material inlet is formed in the top end of the first-stage spiral-flow screen, the direction of the raw material inlet is the tangential direction of the circumference of the first-stage spiral-flow screen, the first-stage spiral-flow screen is arranged in a cylindrical cavity structure with the lower end being conical, a light outlet is formed in the center of the top wall of the first-stage spiral-flow screen, and a heavy outlet is formed in the top point of the conical structure at the bottom of the first-stage spiral-flow; the turbid liquid that contains lead concentrate ore gets into one-level cyclone sieve from raw materials conveying pipe along one-level cyclone sieve top circumferencial tangential direction, centrifugal force and gravity that the granule is big and the ore granule that lead content is high is received are big, can be along cylindrical and bottom toper lateral wall fast rotation and gliding outflow from heavy matter export, and the less ore granule of the less lead content of granule can produce the trend to cylindrical and toper center gathering, because the velocity of flow at center is slower, pressure is less, the cross-section of toper bottom is more down less can be to the center production pressure, impel the liquid at center to flow upwards, make the light ore granule at center flow from the light export.

Furthermore, the first-stage cyclone sieve, the second-stage cyclone sieve and the third-stage cyclone sieve are arranged in the same structure.

Further, the light outlet of the first-level cyclone sieve is connected with the inlet of a second-level flow feeding pump, the outlet of the second-level flow feeding pump is connected with the raw material inlet of the second-level cyclone sieve, the light outlet of the second-level cyclone sieve is connected with the inlet of a third-level flow feeding pump, the outlet of the third-level flow feeding pump is connected with the raw material inlet of the third-level cyclone sieve, and the light outlet of the third-level flow feeding pump is connected with an overflow water pipe.

Furthermore, a heavy outlet of the first-level cyclone screen is connected with the first-level ore receiving hopper, a heavy outlet of the second-level cyclone screen is connected with the second-level ore receiving hopper, and a heavy outlet of the third-level cyclone screen is connected with the third-level ore receiving hopper.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: screening and grading lead concentrate ores with different particle sizes and lead contents by using a common cyclone separation sieve; the multistage cyclone separation sieve is arranged, lead concentrate ore is divided into four grades, the concentration of the ore in the suspension is concentrated, possibility is provided for more accurate control process of a rear section, and high use value is achieved in actual production.

Drawings

Fig. 1 is the structure schematic diagram of the multistage cyclone separation mechanism of lead concentrate of the present invention.

Wherein, 1, one-level sieving mechanism, 2, second grade sieving mechanism, 3, tertiary sieving mechanism, 4, second grade approach the pump, 5, tertiary approach the pump, 6, the raw materials conveyer pipe, 7, the overflow water pipe, 8, the overflow water tank, 9, one-level cyclone sieve, 10, one-level ore take over the fill, 11, second grade cyclone sieve, 12, second grade ore take over the fill, 13, tertiary cyclone sieve, 14, tertiary ore take over the fill, 15, raw materials entry, 16, light export, 17, heavy matter export.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the technical solution adopted by the utility model is as follows: a multistage cyclone separation mechanism of lead concentrate comprises a primary screening device 1, a secondary screening device 2, a tertiary screening device 3, a secondary drifting pump 4, a tertiary drifting pump 5, a raw material conveying pipe 6, an overflowing water pipe 7 and an overflowing water tank 8, wherein the raw material conveying pipe 6 is connected with the primary screening device 1, the primary screening device 1 is connected with the secondary drifting pump 4, the secondary drifting pump 4 is connected with the secondary screening device 2, the secondary screening device 2 is connected with the tertiary drifting pump 5, the tertiary drifting pump 5 is connected with the tertiary screening device 3, the tertiary screening device 3 is connected with the overflowing water pipe 7, and the overflowing water pipe 7 is connected with the overflowing water tank 8.

The primary screening device 1 comprises a primary cyclone screen 9 and a primary ore receiving hopper 10, and the primary ore receiving hopper 10 is arranged below the primary cyclone screen 9; the secondary screening device 2 comprises a secondary cyclone sieve 11 and a secondary ore receiving hopper 12, and the secondary ore receiving hopper 12 is arranged below the secondary cyclone sieve 11; tertiary sieving mechanism 3 includes tertiary whirl sieve 13 and tertiary ore and holds and connect hopper 14, tertiary ore holds and connects hopper 14 and locates tertiary whirl sieve 13 below.

9 tops of one-level cyclone sieve are equipped with raw materials entry 15, the direction of raw materials entry 15 is 9 circumferencial tangential direction of one-level cyclone sieve, one-level cyclone sieve 9 is that the lower extreme sets up for conical cylinder cavity structure, the roof center of one-level cyclone sieve 9 is equipped with

light export

16, 9 bottom toper structure summits of one-level cyclone sieve are equipped with heavy export 17.

The first-stage cyclone sieve 9, the second-stage cyclone sieve 11 and the third-stage cyclone sieve 13 are arranged in the same structure.

The light outlet 16 of the primary cyclone sieve 9 is connected with the inlet of the secondary flow feeding pump 4, the outlet of the secondary flow feeding pump 4 is connected with the raw material inlet 15 of the secondary cyclone sieve 11, the light outlet 16 of the secondary cyclone sieve 11 is connected with the inlet of the tertiary flow feeding pump 5, the outlet of the tertiary flow feeding pump 5 is connected with the raw material inlet 15 of the tertiary cyclone sieve 13, and the light outlet 16 of the tertiary flow feeding pump 5 is connected with the overflow water pipe 7.

Heavy outlet 17 of one-level cyclone sieve 9 links to each other with one-level ore bearing hopper 10, heavy outlet 17 of second grade cyclone sieve 11 links to each other with second grade ore bearing hopper 12, heavy outlet 17 of tertiary cyclone sieve 13 links to each other with tertiary ore bearing hopper 14.

When the flotation device is used specifically, a lead concentrate solid-liquid mixed suspension after flotation is conveyed from a raw material conveying pipe 6 to enter a primary cyclone sieve 9, the ore particles with large particles and high lead content in the suspension receive large centrifugal force and gravity, can rapidly rotate and slide downwards along cylindrical and bottom conical side walls to flow out from a heavy outlet 17 and enter a primary ore receiving hopper 10, the ore particles with smaller particles and low lead content tend to gather towards the cylindrical and conical centers, and because the flow velocity at the center is slow and the pressure is low, the pressure is generated towards the center as the section of the conical bottom is downward smaller, liquid at the center is promoted to flow upwards, so that the light ore particles at the center flow out from a light outlet 16 and enter a secondary cyclone sieve 11 through acceleration of a secondary flow pump 4, the ore particles with relatively large particles and high lead content in the suspension flow out from a heavy outlet 17 of the secondary flow pump 4 and enter a secondary ore receiving hopper 12, ore particles with relatively small particles and relatively low lead content flow out of a light outlet 16 of the secondary cyclone sieve 11 to enter the next stage of classification until the particles with the minimum particles and the minimum lead content in the suspension are discharged from the overflow water pipe 7; the method is characterized in that the screening and grading of lead concentrate ores with different particle sizes and lead contents are realized by combining the morphological characteristics of ores in the lead concentrate beneficiation process and utilizing a common cyclone separation sieve; set up multistage cyclone sieve, divide into four grades with lead concentrate ore, and the concentration of ore plays concentrated effect in the turbid liquid, provide probably for the more accurate control technology of back end, utilize whole device only to need second grade drifting pump 4 and three drifting pumps need provide power, all the other devices need not provide extra power, can accomplish the grading and the concentration to the ore, energy-concerving and environment-protective, can exert huge effect in the mineral processing production of lead concentrate, wide market spreading value has.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a multistage cyclone separation mechanism of lead concentrate which characterized in that: including one-level sieving mechanism (1), second grade sieving mechanism (2), tertiary sieving mechanism (3), second grade drifting pump (4), tertiary drifting pump (5), feedstock delivery pipe (6), overflow water pipe (7) and overflow water tank (8), feedstock delivery pipe (6) link to each other with one-level sieving mechanism (1), one-level sieving mechanism (1) links to each other with second grade drifting pump (4), second grade drifting pump (4) link to each other with second grade sieving mechanism (2), second grade sieving mechanism (2) link to each other with tertiary drifting pump (5), tertiary drifting pump (5) link to each other with tertiary sieving mechanism (3), tertiary sieving mechanism (3) link to each other with overflow water pipe (7), overflow water tank (8) are connected to overflow water pipe (7).

2. The multistage cyclone separation mechanism of lead concentrate as claimed in claim 1, wherein: the primary screening device (1) comprises a primary cyclone screen (9) and a primary ore receiving hopper (10), and the primary ore receiving hopper (10) is arranged below the primary cyclone screen (9); the secondary screening device (2) comprises a secondary cyclone screen (11) and a secondary ore receiving hopper (12), and the secondary ore receiving hopper (12) is arranged below the secondary cyclone screen (11); tertiary sieving mechanism (3) include tertiary whirl sieve (13) and tertiary ore hold and accept fill (14), tertiary ore holds and accepts fill (14) and locates tertiary whirl sieve (13) below.

3. The multistage cyclone separation mechanism of lead concentrate as claimed in claim 2, wherein: one-level spiral-flow screen (9) top is equipped with raw materials entry (15), the direction of raw materials entry (15) is one-level spiral-flow screen (9) circumferencial tangential direction, one-level spiral-flow screen (9) are that the lower extreme sets up for conical cylinder cavity structure, the roof center of one-level spiral-flow screen (9) is equipped with light export (16), one-level spiral-flow screen (9) bottom toper structure summit is equipped with heavy weight export (17).

4. The multistage cyclone separation mechanism of lead concentrate as claimed in claim 2, wherein: the first-stage cyclone sieve (9), the second-stage cyclone sieve (11) and the third-stage cyclone sieve (13) are arranged in the same structure.

5. The multistage cyclone separation mechanism of lead concentrate as claimed in claim 3, wherein: the light outlet (16) of the first-level cyclone sieve (9) is connected with the inlet of a second-level flow feeding pump (4), the outlet of the second-level flow feeding pump (4) is connected with the raw material inlet (15) of a second-level cyclone sieve (11), the light outlet (16) of the second-level cyclone sieve (11) is connected with the inlet of a third-level flow feeding pump (5), the outlet of the third-level flow feeding pump (5) is connected with the raw material inlet (15) of a third-level cyclone sieve (13), and the light outlet (16) of the third-level flow feeding pump (5) is connected with an overflow water pipe (7).

6. The multistage cyclone separation mechanism of lead concentrate as claimed in claim 5, wherein: heavy matter outlet (17) and the one-level ore of one-level cyclone sieve (9) hold and connect fill (10) and link to each other, heavy matter outlet (17) and the second grade ore of second grade cyclone sieve (11) hold and connect fill (12) and link to each other, heavy matter outlet (17) and the tertiary ore of tertiary cyclone sieve (13) hold and connect fill (14) and link to each other.