CN219702285U - Multistage grading equipment without energy consumption - Google Patents

Abstract

A multistage classifying device without energy consumption comprises a first stage classifying tank and a second stage classifying tank which are arranged side by side; the primary classifying tank and the secondary classifying tank have the same structure, and the upper parts of the two tank bodies are communicated with each other through a pulp passing channel; the first-stage classifying tank and the second-stage classifying tank are respectively composed of a slurry separating tank at the upper part and a settling tank communicated with the lower part of the slurry separating tank; the slurry separating tank is of a cylindrical structure, and an annular clamping plate arranged along the inner circumferential surface is fixedly connected to the inner circumferential surface of the upper part of the slurry separating tank; the clamping plate is provided with uniformly distributed clamping grooves. The utility model has simple structure, and the device is wholly energy-free and unpowered device, realizes static classification, has little abrasion and maximum service life, avoids mechanical heating and abrasion of a high-speed rotating classifying wheel caused by the traditional high-speed rotating classifying device, and achieves the aim of quick and efficient classification by arranging a plurality of classifying plates A and classifying plates B which are arranged in a crossing way in the classifying tank and connecting a plurality of groups of classifying tanks in series.

Description

Multistage grading equipment without energy consumption

Technical Field

The utility model belongs to the technical field of ore pulp classification equipment, and particularly relates to energy-consumption-free multistage classification equipment.

Background

In mine production, pulp is produced by adding water and other auxiliary materials to solid raw materials such as ore, ore soil and the like to form a liquid mixture for extracting target elements. The particle size of the solid particles in the pulp directly affects the sorting behaviour of the mineral. Whether in industrial production flow test or in laboratory scientific test, the ore pulp materials are often required to be classified according to the granularity, and the accuracy of subsequent test analysis is directly influenced by the classification effect. The existing classifier is widely suitable for preparing closed circulation flow ore sand with a ball mill in a concentrating mill or classifying ore sand and fine mud in a gravity concentrating mill, classifying ore pulp in a metal concentrating process, desliming, dewatering and the like in ore washing operation.

The classification equipment generally comprises a mechanical classifier, a hydraulic classifier, a hydrocyclone, an air classifier and the like, wherein a spiral classifier in the mechanical classifier is the main classification equipment in the mineral separation industry in China, but is heavy, large in occupied area, low in classification efficiency and particularly low in overflow concentration during fine particle classification, and is not beneficial to the next stage classification operation; the hydraulic classification equipment is generally divided into a groove type classifier and a cone type classifier, and the hydraulic classification equipment has a small application range and is only used in tungsten and tin ore factories; the hydrocyclone has the advantages of quick abrasion, short service life and difficult control of technological parameters, so that the in-place beneficiation work brings great inconvenience. Accordingly, there is a need to provide a classification apparatus device that solves the technical problems of the existing classification apparatus described above.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a multistage grading device without energy consumption aiming at the defects in the prior art.

The technical scheme of the utility model is as follows: a multistage classifying device without energy consumption comprises a first stage classifying tank and a second stage classifying tank which are arranged side by side; the primary classifying tank and the secondary classifying tank have the same structure, and the upper parts of the two tank bodies are communicated with each other through a pulp passing channel; the first-stage classifying tank and the second-stage classifying tank are respectively composed of a slurry separating tank at the upper part and a settling tank communicated with the lower part of the slurry separating tank; the slurry separating tank is of a cylindrical structure, and an annular clamping plate arranged along the inner circumferential surface is fixedly connected to the inner circumferential surface of the upper part of the slurry separating tank; the clamping plates are provided with uniformly distributed clamping grooves; and the clamping grooves are internally inserted with a grading plate A and a grading plate B which are perpendicular to the tank body.

The classifying plates A and B are sequentially arranged at intervals in the slurry separating tank, the classifying plates A and B are rectangular plate structures, and rectangular sockets distributed at equal intervals are formed in the lower portions of the plates.

The sockets arranged at the lower parts of the classifying plate A and the classifying plate B are staggered with each other.

The precipitation tank is of a cone-shaped structure, and coarse material outlets are formed in the bottoms of the precipitation tank.

One end of the upper part of the primary grading tank is provided with a slurry inlet, and one end of the upper part of the secondary grading tank is provided with a fine material outlet.

Compared with the prior art, the utility model has the following beneficial effects: the device simple structure through setting up a plurality of alternately arranged classifying plate A and classifying plate B in the classifying tank to can multiunit multistage classifying tank establish ties, this equipment wholly is unpowered equipment of no energy consumption, realizes static classification, and the wearing and tearing are minimum, and life-span is biggest, has avoided the mechanical heating that traditional high-speed rotatory classifying equipment brought and to the wearing and tearing of the rotatory classifying wheel of high-speed, reaches quick, high-efficient hierarchical purpose.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a card of the present utility model;

fig. 3 is a schematic view of the structure of the classifying plate in the present utility model.

In the figure: 1. the device comprises a first-stage classifying tank, a second-stage classifying tank, a 3-stage pulp passing channel, a 4-stage pulp separating tank, a 5-stage precipitating tank, a 6-stage clamping plate, a 7-stage clamping plate, a clamping groove, a 8-stage classifying plate A, a 9-stage classifying plate B, a 10-stage clamping plate B, a socket, a 11-stage coarse material outlet, a 12-stage pulp inlet, a 13-stage fine material outlet.

Description of the embodiments

The utility model is described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the energy-consumption-free multistage classification equipment comprises a first-stage classification tank 1 and a second-stage classification tank 2 which are arranged side by side; the primary classifying tank 1 and the secondary classifying tank 2 have the same structure, and the upper parts of the two tank bodies are communicated with each other through a pulp passing channel 3; the pulp passage 3 may be rectangular to reduce impact force during the flow of pulp; a slurry inlet 12 is formed in one end of the upper part of the primary grading tank 1, and a fine material outlet 13 is formed in one end of the upper part of the secondary grading tank 2; the primary classifying tank 1 and the secondary classifying tank 2 are respectively composed of a slurry separating tank 4 at the upper part and a settling tank 5 communicated with the lower part; the sedimentation tank 5 is of a cone-shaped structure, and coarse material outlets 11 are arranged at the bottoms of the sedimentation tank 5; the slurry separating tank 4 is of a cylindrical structure, and an annular clamping plate 6 arranged along the inner circumferential surface is fixedly connected to the inner circumferential surface of the upper part of the slurry separating tank 4; the clamping plate 6 is provided with uniformly distributed clamping grooves 7; the classifying plates A8 and the classifying plates B9 which are perpendicular to the tank body are respectively inserted into the clamping grooves 7; the classifying plates A8 and the classifying plates B9 are sequentially arranged at intervals in the slurry separating tank, the classifying plates A8 and the classifying plates B9 are of rectangular plate structures, and rectangular sockets 10 distributed at equal intervals are arranged at the lower parts of the plates; the sockets arranged at the lower parts of the classifying plates A8 and B9 are staggered with each other. The classifying plates A8 and the classifying plates B9 are sequentially arranged at intervals, the classifying concentration can be controlled by increasing and decreasing the number of the classifying plates A8 and B9, the inserting number of the classifying plates A8 and B9 is reduced when fine mineral slurry with high concentration is needed, and the inserting number of the classifying plates A8 and B9 is increased when fine mineral slurry with low concentration is needed, and the mineral slurry is separated by sequentially passing through rectangular sockets 10 distributed at equal intervals from a slurry inlet 12, so that the purpose of sequentially filtering the fine mineral slurry is achieved, and static classification is realized;

when the device is used, firstly, the number of the grading tanks which are required to be connected in series is arranged in advance according to the pulp specification required to grade, the grading tanks are communicated with each other through the pulp passing channel 3, then, a proper number of grading plates A8 and B9 are sequentially arranged in the clamping groove 7 on the clamping plate 6 according to the requirement, the pulp inlet 12 is opened to enable the pulp to be filled into the grading tanks, the pulp is layered after standing, and then different components are separated from the top and the bottom respectively, so that underflow (coarse material) products and overflow (fine material) products can be obtained.

While the foregoing is directed to embodiments of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims (5)

1. A multistage classifying device without energy consumption comprises a first stage classifying tank (1) and a second stage classifying tank (2) which are arranged side by side; the method is characterized in that: the primary classifying tank (1) and the secondary classifying tank (2) have the same structure, and the upper parts of the two tank bodies are communicated with each other through a pulp passing channel (3); the primary classifying tank (1) and the secondary classifying tank (2) are respectively composed of a slurry separating tank (4) at the upper part and a settling tank (5) communicated with the lower part; the slurry separating tank (4) is of a cylindrical structure, and an annular clamping plate (6) arranged along the inner circumferential surface is fixedly connected to the inner circumferential surface of the upper part of the slurry separating tank (4); clamping grooves (7) which are uniformly distributed are formed in the clamping plate (6); the classifying plates A (8) and the classifying plates B (9) which are perpendicular to the tank body are respectively inserted into the clamping grooves (7).

2. The energy-consumption-free multistage grading apparatus according to claim 1, characterized in that: the classifying plates A (8) and the classifying plates B (9) are sequentially arranged at intervals in the slurry separating tank (4), the classifying plates A (8) and the classifying plates B (9) are rectangular plate structures, and rectangular sockets (10) distributed at equal intervals are formed in the lower parts of the plates.

3. The energy-consumption-free multistage grading apparatus according to claim 2, characterized in that: the sockets (10) arranged at the lower parts of the classifying plates A (8) and B (9) are staggered with each other.

4. The energy-consumption-free multistage grading apparatus according to claim 1, characterized in that: the sedimentation tank (5) is of a cone-shaped structure, and coarse material outlets (11) are arranged at the bottoms of the sedimentation tank.

5. The energy-consumption-free multistage grading apparatus according to claim 1, characterized in that: one end of the upper part of the primary grading tank (1) is provided with a slurry inlet (12), and one end of the upper part of the secondary grading tank (2) is provided with a fine material outlet (13).