CN215030141U

CN215030141U - Three-product strong cyclone hydraulic cyclone

Info

Publication number: CN215030141U
Application number: CN202121481690.9U
Authority: CN
Inventors: 周恺; 张濛; 柴小漫; 于伟; 刘莉君
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-07
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a three-product strong cyclone hydraulic cyclone, which comprises a cylindrical section, an inverted cone filtering screen, an overflow pipe, an inlet pipe, a cone permeable screen fine particle storage box and an underflow pipe, wherein the lower end of the cylindrical section is fixedly connected with the upper end of the inverted cone filtering screen, and the lower end of the overflow pipe extends into the top of the cylindrical section and is fixedly connected with the cylindrical section; the quantity of inlet pipes is four, four inlet pipes are fixedly arranged at the upper end opening outside the cylindrical section, the discharge ends of the inlet pipes are tangent to the inner surface of the cylindrical section, the upper end of an underflow pipe is fixedly connected with the bottom of the inverted cone-shaped filtering screen, the conical section sieving fine particle storage box is sleeved outside the cylindrical section, the upper end opening of the conical section sieving fine particle storage box is fixedly connected with the periphery of the top end of the inverted cone-shaped filtering screen, and the bottom of the conical section sieving fine particle storage box is provided with a storage box discharge opening. The utility model discloses a getting rid of fine grain mineral in traditional hydrocyclone underflow has improved the classification efficiency and the hierarchical precision of swirler.

Description

Three-product strong cyclone hydraulic cyclone

Technical Field

The utility model relates to a hydrocyclone especially relates to a three-product strong cyclone hydraulic cyclone.

Background

A hydrocyclone is a classification device for accelerating the sedimentation of ore particles by using centrifugal force. Hydrocyclones are known to be simple in their own construction, but have a very complex internal flow field. Generally, the fluid entering the interior of the hydrocyclone is a high-speed shear rotational flow with high pressure and certain impact wear on the internal structure.

The cone section of a conventional hydrocyclone generally consists of a tapered cone and a underflow port. After the ore pulp enters the conical section under the action of rotational flow, due to the self limitation of the hydrocyclone device, the phenomenon of fine clamping easily exists in the underflow, partial fine materials in the underflow cannot enter the overflow, the accuracy of mineral classification of the underflow is influenced, certain loss is brought, and the flow of the later stage is also influenced to a certain extent. The traditional hydrocyclone has only one feeding hole, small feeding amount and low feeding speed, so that the centrifugal force in the hydrocyclone is not large enough to cause low classification efficiency; meanwhile, the common hydrocyclone sand pump feed inlet is frequently abraded violently due to the friction between ore particles and the cylinder, so that the repair is frequent, the working efficiency is influenced, and the inevitable economic benefit loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a three-product strong cyclone hydraulic cyclone, it has realized getting rid of fine grain mineral in traditional hydrocyclone underflow, has improved the classification efficiency and the hierarchical precision of swirler, can obtain bigger economic benefits.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a three product strong whirl hydraulic cyclone which characterized in that: the device comprises a cylindrical section, an inverted cone-shaped filtering screen, an overflow pipe, a feeding pipe, a cone section sieve-penetrating fine particle storage box and an underflow pipe, wherein the cylindrical section and the inverted cone-shaped filtering screen are both of a hollow structure, the cylindrical section is positioned above the inverted cone-shaped filtering screen, the lower end of the cylindrical section is fixedly connected with the upper end of the inverted cone-shaped filtering screen, the cylindrical section is communicated with the interior of the inverted cone-shaped filtering screen, the top of the cylindrical section is of a closed structure, and the lower end of the overflow pipe extends into the top of the cylindrical section and is fixedly connected with the cylindrical section; the quantity of inlet pipe is four, four the fixed upper port department that sets up outside the cylinder section of inlet pipe, the discharge end of inlet pipe is tangent and the material that gets into through the inlet pipe gets into the cylinder section with spiral tangential direction with the internal surface of cylinder section in, the underflow pipe is located the below of inverted cone body filter screen, the upper end and the bottom fixed connection of inverted cone body filter screen of underflow pipe, the cone section fine grain thing storage box cover of sieving is established outside the cylinder section, the upper port of cone section fine grain thing storage box of sieving is located the top periphery fixed connection of inverted cone body filter screen, the upper segment of underflow pipe is located cone section fine grain thing storage box of sieving, and the hypomere of underflow pipe is located cone section fine grain thing storage box of sieving, the bottom of cone section fine grain thing storage box of sieving is provided with the storage box discharge gate.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the longitudinal section of the conical section sieving fine particle storage box is approximately in the shape of a right trapezoid, the right-angle side of the right trapezoid is positioned above the inclined side, and the storage box discharge port is arranged at the bottommost end of the inclined side of the conical section sieving fine particle storage box.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the connection mode of the cylindrical section and the inverted cone-shaped filter screen is smooth connection with a smooth inner wall.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the overflow pipe is connected with the cylindrical section in a welding mode, and the feeding pipe is connected with the cylindrical section in a welding mode.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the cylindrical section is in threaded connection with the inverted cone-shaped filtering screen, the conical section sieve-penetrating fine particle storage box is in threaded connection with the inverted cone-shaped filtering screen, and the underflow pipe is in threaded connection with the inverted cone-shaped filtering screen.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the inlet pipe is the arc structure that the feed inlet is big, the discharge gate is little.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the central axes of the overflow pipe, the cylindrical section, the inverted cone filtering screen and the underflow pipe are coincided.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the diameter of the sieve hole of the inverted cone filtering sieve is 61 um-150 um.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the upper end surface of the feeding pipe is flush with the upper end surface of the cylindrical section.

The three-product strong-cyclone hydraulic cyclone is characterized in that: the diameter of the cylindrical section is 150 mm-500 mm.

Compared with the prior art, the utility model has the following advantage:

1. compared with the prior hydrocyclone, the utility model has the advantages that the ore pulp feed inlet of the device is increased to four, the inverted cone filtering screen is adopted to replace the conventional common cone section structure, the cone section permeable screen fine particle storage box is arranged on the periphery of the cone, the structure improvement enables fine particle materials in ore pulp media to be filtered out from the filtering screen of the inverted cone filtering screen by increasing the centrifugal force in the hydrocyclone, and the ore pulp feed inlet enters the cone section permeable screen fine particle storage box, so that the removal of fine particle minerals in the underflow of the hydrocyclone is realized.

2. The utility model discloses a four feed inlets and increase the pressure of giving the ore deposit, improved the ore pulp centrifugal force that receives in the cylinder, strengthened the whirl effect in the swirler.

3. The utility model discloses use spiral tangential direction feed, reduced the resistance of feed inlet effectively and to the vertical impact of wall, reduced hydrocyclone's inner wall wearing and tearing.

4. The utility model discloses a sift through fine grain thing storage box at inverted cone filter screen installation cone section, get rid of the fine grain mineral in the underflow, improved hydrocyclone's classification efficiency and obtained bigger economic benefits.

5. The utility model can reduce the abrasion of the hydraulic cyclone device and effectively improve the service life of the hydraulic cyclone device; the utility model discloses a through hydrocyclone structure innovation, reach and improve fine particle separation efficiency, compact structure, convenient operation.

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

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the top view of the utility model after removing the conical section and sifting through the fine grain storage box.

Fig. 3 is an enlarged view of fig. 1 at a.

Fig. 4 is a schematic diagram of the movement of the material between the inverted cone filtering screen and the cone-shaped sieving fine grain storage box.

Description of reference numerals:

1-overflow pipe; 2-feeding pipe; 3-a cylindrical section;

4-underflow pipe; 5-inverted cone filtering screen; and 6, screening the fine particle storage box through a conical section.

Detailed Description

As shown in fig. 1 and fig. 2, the utility model discloses a cylinder section 3, an inverted cone filter screen 5, an overflow pipe 1, an inlet pipe 2, a cone section sieve-penetrating fine particle storage tank 6 and an underflow pipe 4, cylinder section 3 and inverted cone filter screen 5 are both hollow structures, cylinder section 3 is located above inverted cone filter screen 5, the lower end of cylinder section 3 is fixedly connected with the upper end of inverted cone filter screen 5, cylinder section 3 is communicated with the inside of inverted cone filter screen 5, the top of cylinder section 3 is a closed structure, the lower end of overflow pipe 1 stretches into the top of cylinder section 3 and is fixedly connected with cylinder section 3; the number of the feed pipes 2 is four, the four feed pipes 2 are fixedly arranged at the upper end opening outside the cylindrical section 3, the discharge end of the feed pipe 2 is tangent to the inner surface of the cylindrical section 3, and the material entering through the feed pipe 2 enters the cylindrical section 3 in the spiral tangent direction, the underflow pipe 4 is positioned below the inverted cone-shaped filtering screen 5, the upper end of the underflow pipe 4 is fixedly connected with the bottom of the inverted cone-shaped filtering screen 5, the conical section sieving fine particle storage tank 6 is sleeved outside the cylindrical section 3, the upper port of the conical section sieving fine particle storage tank 6 is fixedly connected with the periphery of the top end of the inverted cone-shaped filtering screen 5, the upper section of the underflow pipe 4 is positioned in the conical section sieving fine particle storage tank 6, the lower section of the underflow pipe 4 is positioned outside the conical section sieving fine particle storage tank 6, and the bottom of the conical section sieving fine particle storage tank 6 is provided with a storage tank discharge hole 7.

The utility model discloses compare with hydrocyclone in the past, replace common circular cone section structure in the past with inverted cone filter screen 5, install cone section sieve-permeable fine grain thing storage box 6 at inverted cone filter screen 5 periphery to increase inlet pipe 2 to four, the sieve mesh size on the inverted cone filter screen 5 is the same, can handle the technological requirement of grade different according to specific swirler, adjusts suitable sieve mesh size. The use of the inverted cone filter screen 5 enhances the classification efficiency and these improvements result in reduced internal wear of the hydrocyclone and improved classification efficiency for different size fractions.

The conical sifting-through fines storage tank 6 is a sieve which is present in a three-dimensional manner on the outer circumference of the inverted cone-shaped filter sieve 5, on which inverted cone-shaped filter sieve 5 a plurality of sieve openings of uniform size are present. After the ore pulp enters an inverted cone filtering screen 5 through the cylindrical section 3 of the hydrocyclone in a rotational flow motion, the rotation motion of the ore pulp enables fine ore particles (smaller than the size of a screen hole) in the original underflow to pass through the screen hole and enter a conical section sieving fine object storage box 6, and primary filtering and screening in hydraulic classification are completed. These improvements allow the internal wear of the equipment to be reduced and the product of one classification to be increased, greatly increasing the efficiency of the classification of the different fractions.

As shown in fig. 1, the longitudinal cross-sectional shape of the conical section sifting fine particle storage box 6 is an approximate right trapezoid, the right-angled side of which is located above the oblique side, and the storage tank discharge port 7 is provided at the bottommost end of the oblique side of the conical section sifting fine particle storage box 6.

In this embodiment, the connection mode of the cylindrical section 3 and the inverted cone filtering screen 5 is smooth connection with smooth inner walls, the structure of the connection mode conforms to the streamline of high-speed swirling liquid in the hydrocyclone, the friction of ore pulp during movement in the hydrocyclone is reduced, the stability of an internal flow field is facilitated, and the structure is helpful for improving the classification efficiency.

In this embodiment, the overflow pipe 1 and the cylindrical section 3 are connected by welding, and the feeding pipe 2 and the cylindrical section 3 are connected by welding, so as to form an integrated structure.

In this embodiment, the cylindrical section 3 is in threaded connection with the inverted cone-shaped filtering screen 5, the conical section sieving fine particle storage tank 6 is in threaded connection with the inverted cone-shaped filtering screen 5, and the underflow pipe 4 is in threaded connection with the inverted cone-shaped filtering screen 5. The inverted cone-shaped filtering screen 5 is externally provided with a cone-section screening fine particle storage box 6, the cone-section screening fine particle storage box 6 wraps the inverted cone-shaped filtering screen 5 and a part of underflow pipe 4, and the whole height of the cone-section screening fine particle storage box 6 is greater than that of the inverted cone-shaped filtering screen 5.

In this embodiment, the feeding pipes 2 are arc-shaped structures with large feeding ports and small discharging ports, so that the four feeding pipes 2 can feed materials into the hydrocyclone from the spiral tangential direction. Feeding materials by a sand pump, and increasing the flow rate of ore pulp by using a feeding pressure of 0.2-0.35 MPa; the ore pulp has strong cyclone effect in the cyclone, and the centrifugal force is large, so that the ore feeding pressure is increased, the number of the feeding holes is increased, and the strong cyclone is formed.

In this embodiment, the central axes of the overflow pipe 1, the cylindrical section 3, the inverted cone filtering screen 5 and the underflow pipe 4 coincide with each other.

As shown in FIG. 3, the diameter of the holes of the inverted cone filtering screen 5 is 61 um-150 um, preferably, the diameter of the holes of the inverted cone filtering screen 5 is 75 um. The inverted cone filtering screen 5 can be replaced according to the specific process requirements, so that the screen hole size and the screening granularity are changed.

In this embodiment, the upper end surface of the feeding pipe 2 is flush with the upper end surface of the cylindrical section 3.

In this embodiment, the diameter of the cylindrical section 3 is 150mm to 500 mm.

The utility model discloses a theory of operation does: firstly, after the ore pulp medium enters the inner cavity of the cylindrical section 3 through the feeding pipe 2 in a spiral tangent mode, the ore pulp medium rotates at a high speed in the inner cavity of the cylindrical section 3 to generate strong vortex. Along with the subsequent continuous liquid, the liquid in the cavity of the cylindrical section 3 continuously moves upwards and downwards while rotating, namely the moving path is spiral. The liquid rotating in the cylindrical section 3 enters the inverted cone filtering screen 5 downwards, the inner diameter of the inverted cone filtering screen 5 is gradually reduced, and the rotating speed of the liquid is relatively accelerated. Because of density difference or granularity difference of the ore pulp medium, the two-phase medium is subjected to different centrifugal forces, and the dispersed phase of the light material is gathered near the axis, rotates and moves upwards at the same time, and is discharged from the overflow pipe 1 at the top to be one product. The material at the bottom is discharged from the underflow pipe 4 in the longitudinal direction, thereby achieving the purpose of separation. The ore pulp medium is thrown to the inner wall of the inverted cone filtering screen 5 to be contacted with the inverted cone filtering screen 5 under the action of centrifugal force on the inverted cone filtering screen 5, and fine material with the diameter smaller than the screen hole in the material permeates the inverted cone filtering screen 5 to become a conical undersize product (as shown in figure 4), namely, the product discharged from the underflow pipe 4 and the product collected in the conical undersize fine material storage tank 6 are the other two products respectively.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.

Claims

1. The utility model provides a three product strong whirl hydraulic cyclone which characterized in that: the device comprises a cylindrical section (3), an inverted cone filtering screen (5), an overflow pipe (1), a feeding pipe (2), a cone section sieve-penetrating fine particle storage box (6) and an underflow pipe (4), wherein the cylindrical section (3) and the inverted cone filtering screen (5) are both of a hollow structure, the cylindrical section (3) is positioned above the inverted cone filtering screen (5), the lower end of the cylindrical section (3) is fixedly connected with the upper end of the inverted cone filtering screen (5), the cylindrical section (3) is communicated with the interior of the inverted cone filtering screen (5), the top of the cylindrical section (3) is of a closed structure, and the lower end of the overflow pipe (1) extends into the top of the cylindrical section (3) and is fixedly connected with the cylindrical section (3); the quantity of the inlet pipes (2) is four, the four inlet pipes (2) are fixedly arranged at the upper end opening outside the cylindrical section (3), the discharge ends of the inlet pipes (2) are tangent to the inner surface of the cylindrical section (3) and materials entering through the inlet pipes (2) enter the cylindrical section (3) in the spiral tangent direction, the underflow pipes (4) are positioned below the inverted cone-shaped filtering screen (5), the upper ends of the underflow pipes (4) are fixedly connected with the bottom of the inverted cone-shaped filtering screen (5), the conical section sieving fine grain storage box (6) is sleeved outside the cylindrical section (3), the upper end opening of the conical section sieving fine grain storage box (6) is fixedly connected with the periphery of the top end of the inverted cone-shaped filtering screen (5), the upper section of the underflow pipes (4) is positioned in the conical section sieving fine grain storage box (6), and the underflow pipes (4) are positioned outside the conical section sieving fine grain storage box (6), the bottom of the conical section sifting fine grain storage box (6) is provided with a storage box discharge hole (7).

2. A three-product high-swirl hydrocyclone in accordance with claim 1, characterized in that: the longitudinal section of the conical section sifting fine particle storage box (6) is approximately in the shape of a right trapezoid, the right-angle side of the right trapezoid is positioned above the bevel edge, and the storage box discharge hole (7) is arranged at the bottommost end of the bevel edge of the conical section sifting fine particle storage box (6).

3. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the cylindrical section (3) and the inverted cone filtering screen (5) are connected in a smooth mode with smooth inner walls.

4. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the overflow pipe (1) is connected with the cylindrical section (3) in a welding mode, and the feeding pipe (2) is connected with the cylindrical section (3) in a welding mode.

5. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the cylindrical section (3) is in threaded connection with the inverted cone-shaped filtering screen (5), the cone-section sieve-penetrating fine particle storage box (6) is in threaded connection with the inverted cone-shaped filtering screen (5), and the underflow pipe (4) is in threaded connection with the inverted cone-shaped filtering screen (5).

6. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the feeding pipe (2) is of an arc structure with a large feeding hole and a small discharging hole.

7. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the central axes of the overflow pipe (1), the cylindrical section (3), the inverted cone filtering screen (5) and the underflow pipe (4) are coincided.

8. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the diameter of the sieve hole of the inverted cone filtering sieve (5) is 61 um-150 um.

9. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the upper end surface of the feeding pipe (2) is flush with the upper end surface of the cylindrical section (3).

10. A three-product high-swirl hydrocyclone according to claim 1 or 2, characterized in that: the diameter of the cylindrical section (3) is 150 mm-500 mm.