CN217698962U - Slurry particle size cyclone classification device - Google Patents

Abstract

A slurry particle size cyclone classification device belongs to the technical field of aluminum-based new material production equipment. The method is characterized in that: the discharge port of the first-stage pulping device (1) is communicated with the feed port of the cyclone classifier (9), the overflow port of the cyclone classifier (9) is communicated with the feed port of the disc filter (10), the discharge port of the cyclone classifier (9) is communicated with the feed port of the second-stage pulping device (2), and the discharge port of the second-stage pulping device (2) is communicated with the feed port of the washing device (13). This ground paste granularity whirl grading plant's one-level making beating device can make aluminium hydroxide powder and water intensive mixing, enters into the whirl grader again and grades, and the aluminium hydroxide powder that the granularity is little enters into the disc filter and filters the separation, obtains the aluminium hydroxide of small-size, and the big aluminium hydroxide of granularity enters into second grade making beating device again, enters into washing device after mixing and filters the washing, obtains the big aluminium hydroxide of granularity, and the process route is short, the operation of being convenient for.

Description

Slurry particle size cyclone classification device

Technical Field

A slurry particle size cyclone classification device belongs to the technical field of aluminum-based new material production equipment.

Background

At present, the price of the alumina falls back, and the cost competition is more intense. The cyclone grading device is key equipment for ensuring the quality of an aluminum hydroxide product, and is mainly used for grading the granularity of decomposed slurry, improving the solid content of the slurry and ensuring the washing quality and the granularity of the product of the aluminum hydroxide. The process flow of the rotational flow classification of the aluminum hydroxide in the existing aluminum oxide plant is long, the cost is high, the safe operation risk is high, and the development of new aluminum-based materials is limited by the reasons. In addition, the aluminum hydroxide product needs to be pulped before grading, namely, the aluminum hydroxide powder and water are fully mixed through a stirring device, the required stirring power is high when the aluminum hydroxide powder is just added into the stirring device, and after the aluminum hydroxide powder is uniformly stirred, the required stirring force is low, but in order to meet the stirring requirement of the aluminum hydroxide powder, the aluminum hydroxide powder needs to be driven by a high-power motor, so that the energy consumption of the aluminum hydroxide powder is increased, and the running cost of the aluminum hydroxide powder is high. In addition, the existing stirring equipment only has a stirring function, but does not have a scattering function, the aluminum hydroxide powder is agglomerated, and the existing stirring equipment cannot meet the scattering of the massive aluminum hydroxide.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcomes the defects of the prior art, and provides a slurry particle size cyclone grading device which is used for carrying out two-stage pulping and separation on aluminum hydroxide powder, has good grading effect and short process flow.

The utility model provides a technical scheme that its technical problem adopted is: the slurry granularity cyclone classification device is characterized in that: the device comprises a first-stage pulping device, a cyclone classifier, a second-stage pulping device, a washing device and a disc filter, wherein a discharge port of the first-stage pulping device is communicated with a feed port of the cyclone classifier, an overflow port of the cyclone classifier is communicated with a feed port of the disc filter, a discharge port of the cyclone classifier is communicated with a feed port of the second-stage pulping device, and a discharge port of the second-stage pulping device is communicated with a feed port of the washing device.

Preferably, the first-stage beating device comprises a stirring cylinder, a stirring shaft, a planetary gear transmission mechanism, a main stirring motor and an auxiliary stirring motor, wherein the stirring shaft is rotatably arranged in the stirring cylinder, a planet carrier of the planetary gear transmission mechanism is connected with the stirring shaft, an output shaft of the main stirring motor is connected with a sun gear of the planetary gear transmission mechanism, an output shaft of the auxiliary stirring motor is connected with an inner gear ring of the planetary gear transmission mechanism, and a plurality of blades are arranged on the stirring shaft.

Preferably, the planetary gear transmission mechanism comprises a planet carrier, a sun gear, a planet gear and an inner gear ring, the inner gear ring is rotatably arranged in the mixing drum, the sun gear is coaxially arranged in the inner gear ring, the planet gear is arranged between the inner gear ring and the sun gear and is simultaneously meshed with the inner gear ring and the sun gear, the planet carrier is arranged at the lower side of the sun gear, and the planet gear is rotatably connected with the planet carrier.

Preferably, the stirring shaft comprises a main stirring shaft and an auxiliary stirring shaft, the main stirring shaft is connected with the planet carrier and synchronously rotates along with the main stirring shaft, the auxiliary stirring shaft is connected with a planet wheel of the planet gear transmission mechanism and synchronously rotates along with the planet wheel, the planet carrier is rotatably connected with the auxiliary stirring shaft, and the blades comprise main blades arranged on the main stirring shaft and auxiliary blades arranged on the auxiliary stirring shaft.

Preferably, the main blades are provided with a plurality of blades at intervals along the main stirring shaft, the auxiliary blades are provided with a plurality of blades at intervals along the auxiliary stirring shaft, and the auxiliary blade is arranged between every two adjacent main blades.

Preferably, the first-stage beating device further comprises an input gear, the input gear is mounted on an output shaft of the auxiliary stirring motor, and teeth meshed with the input gear are arranged on the outer wall of the inner gear ring.

Preferably, the device also comprises a filtering device arranged between the discharge hole of the first-stage pulping device and the feed inlet of the cyclone classifier.

Preferably, the pulping device further comprises a discharge valve, discharge pipes are connected to the discharge port of the first-stage pulping device and the discharge port of the second-stage pulping device, and the discharge valves are arranged on the discharge pipes.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

this one-level making beating device of ground paste granularity whirl grading plant can make aluminium hydroxide powder and water intensive mixing, aluminium hydroxide after mixing with water enters into the whirl classifier and grades, aluminium hydroxide powder that the granularity is little enters into disc filter and filters the separation, obtain the aluminium hydroxide of small granularity, the big aluminium hydroxide of granularity enters into second grade making beating device once more, and again with water intensive mixing, enter into washing device again after the mixture and filter the washing, obtain the aluminium hydroxide powder that the granularity is big, the process route is short, and the operation of being convenient for can reach reduce cost.

Drawings

FIG. 1 is a schematic structural view of a slurry particle size cyclone classification apparatus.

Fig. 2 is a front cross-sectional schematic view of the beating device.

In the figure: 1. the device comprises a primary pulping device 2, a secondary pulping device 3, a filtering device 4, a primary discharge valve 5, a primary delivery pump 6, a primary discharge valve 7, a primary flowmeter 8, a pressure transmitter 9, a cyclone classifier 10, a disc filter 11, a radar level gauge 12, a ball valve 13, a washing device 14, a secondary flowmeter 15, a secondary delivery pump 16, a secondary discharge valve 17, a secondary discharge valve 18, a mixing drum 19, an auxiliary mixing shaft 20, a main mixing shaft 21, an auxiliary paddle 22, a main paddle 23, a feed chute 24, a main mixing motor 25, a main shaft 26, an inner gear ring 27, a planet wheel 28, a sun wheel 29, an input gear 30, an auxiliary mixing motor 31 and a planet carrier.

Detailed Description

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Fig. 1 to 2 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 2.

A slurry particle size cyclone classification device comprises a first-stage pulping device 1, a cyclone classifier 9, a second-stage pulping device 2, a washing device 13 and a disc filter 10, wherein a discharge port of the first-stage pulping device 1 is communicated with a feed port of the cyclone classifier 9, an overflow port of the cyclone classifier 9 is communicated with a feed port of the disc filter 10, a discharge port of the cyclone classifier 9 is communicated with a feed port of the second-stage pulping device 2, and a discharge port of the second-stage pulping device 2 is communicated with a feed port of the washing device 13. This one-level making beating device 1 of ground paste granularity whirl grading plant can make aluminium hydroxide powder and water intensive mixing, the aluminium hydroxide after mixing with water enters into whirl classifier 9 and grades, aluminium hydroxide powder that the granularity is little enters into disc filter 10 and filters the separation, get the aluminium hydroxide of little granularity, the aluminium hydroxide that the granularity is big enters into second grade making beating device 2 again, and again with water intensive mixing, enter into washing device 13 again after the mixture and filter the washing, obtain the aluminium hydroxide powder that the granularity is big, the process route is short, and convenient for operation can reach reduce cost.

Specifically, the method comprises the following steps: as shown in fig. 1: the slurry granularity cyclone classification device also comprises a filtering device 3, a primary delivery pump 5 and a secondary delivery pump 15.

The bottom of the first-level pulping device 1 is provided with a first-level discharge valve 4, and a feed inlet of the first-level discharge valve 4 is communicated with the inner cavity of the first-level pulping device 1. The discharge port of the first-level discharge valve 4 is sequentially communicated with the feed port of the cyclone classifier 9 after being connected with the filtering device 3 and the first-level conveying pump 5 in series, a first-level discharge pipe is connected to a pipeline between the discharge port of the filtering device 3 and the feed port of the first-level conveying pump 5, and a first-level discharge valve 6 is arranged on the first-level discharge pipe. A primary flowmeter 7 is arranged on a pipeline between the discharge hole of the primary delivery pump 5 and the feed inlet of the cyclone classifier 9. A pressure transmitter 8 is also arranged on a pipeline between the discharge hole of the primary conveying pump 5 and the feed inlet of the cyclone classifier 9, and the pressure transmitter 8 and the primary flowmeter 7 are sequentially arranged along the conveying direction of the medium.

The filtering device 3 may be an existing filtering apparatus, such as a filter screen, and the structure of the filtering apparatus 3 is not described herein.

The overflow port of the cyclone classifier 9 is communicated with the feed inlet of the disc type filter 10, and the feed inlet of the disc type filter 10 is also connected with a radar liquid level meter 11 so as to monitor the liquid level of the disc type filter 10 in real time and avoid the liquid level of the disc type filter 10 from being too high.

The second-stage pulping device 2 is arranged under the cyclone classifier 9, the discharge port of the cyclone classifier 9 is communicated with the feed port of the second-stage pulping device 2, and materials discharged from the discharge port of the cyclone classifier 9 directly fall into the second-stage pulping device 2 under the action of gravity, so that extra power transmission is not needed, and the energy consumption of equipment operation is reduced.

The discharge gate of second grade making beating device 2 is connected with second grade bleeder valve 17, and the discharge gate of second grade bleeder valve 17 is linked together with the feed inlet of washing device 13 behind the series connection second grade delivery pump 15, is connected with second grade blowing pipe on the pipeline between the discharge gate of second grade bleeder valve 17 and the feed inlet of second grade delivery pump 15, is provided with second grade blowing valve 16 on the second grade blowing pipe. A ball valve 12 is arranged on a pipeline between a discharge hole of the secondary conveying pump 15 and a feed inlet of the washing device 13, so that the material conveying speed is convenient to control, and a secondary flowmeter 14 is arranged on a pipeline between the discharge hole of the secondary conveying pump 15 and the ball valve 12.

The washing device 13 may be an existing washing device, or may be a screen having a mesh size smaller than that of the aluminum hydroxide powder.

As shown in fig. 2: the structures of the first-stage beating device 1 and the second-stage beating device 2 are the same, and in the present embodiment, the structures of the first-stage beating device 1 and the second-stage beating device 2 are explained by taking the structure of the first-stage beating device 1 as an example.

One-level making beating device 1 includes churn 18, the (mixing) shaft, planetary gear drive, main agitator motor 24 and supplementary agitator motor 30, churn 18 is the drum of vertical setting, the top of churn 18 is provided with the apron, apron detachable links to each other with churn 18, and seal the top of churn 18, the dust pollution environment that appears when avoiding adding aluminium hydroxide powder, the lateral part of churn 18 is provided with feed chute 23, feed chute 23 is for following the downward slope form gradually of the direction that is close to churn 18. The main stirring motor 24 is arranged on the upper side of the cover plate, the auxiliary stirring motor 30 is arranged on one side of the stirring cylinder 18, and the planetary gear transmission mechanism is arranged in the stirring cylinder 18 and is positioned on the upper side of the feeding groove 23. The stirring shaft is arranged in the stirring cylinder 18, the stirring shaft is connected with a planet carrier 31 of the planetary gear transmission mechanism and synchronously rotates along with the planet carrier, the output shaft of the main stirring motor 24 is connected with a sun gear 28 of the planetary gear transmission mechanism and drives the sun gear to rotate, and the output shaft of the auxiliary stirring motor 30 is connected with an inner gear ring 26 of the planetary gear transmission mechanism and drives the inner gear ring to rotate. A plurality of blades are arranged on the stirring shaft. The main stirring motor 24 and the auxiliary stirring motor 30 can drive the stirring shaft to rotate simultaneously, the main stirring motor 24 can only drive the stirring shaft to rotate, the main stirring motor 24 and the auxiliary stirring motor 30 can drive the stirring shaft to rotate simultaneously when aluminum hydroxide powder is just added, and after the aluminum hydroxide powder and water are fully mixed, the main stirring motor 24 is only used for driving the stirring shaft to rotate.

The planetary gear transmission mechanism comprises a planet carrier 31, a sun gear 28, a planet gear 27 and an inner gear ring 26, the inner gear ring 26 is coaxially arranged on the inner wall of the mixing drum 18, the inner gear ring 26 is arranged at the upper part of the mixing drum 18, an input gear 29 is arranged on an output shaft of the auxiliary mixing motor 30, an opening is arranged at one side of the mixing drum 18, the side part of the input gear 29 penetrates through the opening to extend into the mixing drum 18, teeth meshed with the input gear 29 are arranged on the outer wall of the inner gear ring 26, and the auxiliary mixing motor 30 drives the inner gear ring 26 to rotate through the input gear 29. The sun gear 28 is coaxially arranged in the internal gear ring 26, the main shaft 25 is coaxially arranged on the cover plate, the sun gear 28 is coaxially arranged on the main shaft 25 and synchronously rotates along with the main shaft 25, the output shaft of the main stirring motor 24 is connected with the main shaft 25, and the sun gear 28 is driven to rotate through the main shaft 25. The planet gears 27 are arranged between the sun gear 28 and the inner gear ring 26, the planet gears 27 are simultaneously meshed with the sun gear 28 and the inner gear ring 26, the planet gears 27 are arranged around the sun gear 28 at intervals, and in the embodiment, the planet gears 27 are evenly distributed around the sun gear 28 at intervals.

The (mixing) shaft includes main (mixing) shaft 20 and supplementary (mixing) shaft 19, main (mixing) shaft 20 and planet carrier 31 coaxial coupling to keep synchronous rotation, supplementary (mixing) shaft 19 is on a parallel with main (mixing) shaft 20 setting, supplementary (mixing) shaft 19's upper end and the planet wheel 27 coaxial coupling that corresponds and keep synchronous rotation, planet carrier 31 simultaneously with each supplementary (mixing) shaft 19 rotatable connection.

The paddle is including setting up main paddle 22 on main (mixing) shaft 20 and setting up the supplementary paddle 21 on supplementary (mixing) shaft 19, and main paddle 22 is provided with a plurality of groups along main (mixing) shaft 20 interval, and every group owner paddle 22 all includes a plurality of pieces that encircle main (mixing) shaft 20 and set up. The auxiliary paddle 21 is provided with a plurality of groups at intervals along the corresponding auxiliary stirring shaft 19, each group of auxiliary paddle 21 comprises a plurality of pieces uniformly distributed at intervals around the corresponding auxiliary stirring shaft 19, and a main paddle 22 is arranged between every two adjacent groups of auxiliary paddles 21, so that the materials in the stirring cylinder 18 can be stirred, and the scattering of the massive aluminum hydroxide can be realized.

The slurry granularity cyclone classification device has the working process as follows: sending the aluminum hydroxide powder into the first-stage pulping device 1 to fully mix the aluminum hydroxide powder with water, sending the mixed slurry into the cyclone classifier 9, sending the material at the overflow port overflow position of the cyclone classifier 9 into the disc type filter 10, realizing solid-liquid separation through the disc type filter 10, and separating the aluminum hydroxide powder with small granularity.

The material sent out from the discharge port of the cyclone classifier 9 enters the second-stage beating device 2, the second-stage beating device 2 mixes the aluminum hydroxide and the water into slurry again so as to facilitate the conveying of the aluminum hydroxide, and the mixed slurry is sent into the washing device 13 to be washed so as to obtain the aluminum hydroxide powder with larger granularity.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a thick liquids particle size whirl grading plant which characterized in that: the automatic pulping device comprises a first-stage pulping device (1), a cyclone classifier (9), a second-stage pulping device (2), a washing device (13) and a disc type filter (10), wherein a discharge port of the first-stage pulping device (1) is communicated with a feed port of the cyclone classifier (9), an overflow port of the cyclone classifier (9) is communicated with a feed port of the disc type filter (10), a discharge port of the cyclone classifier (9) is communicated with a feed port of the second-stage pulping device (2), and a discharge port of the second-stage pulping device (2) is communicated with a feed port of the washing device (13).

2. The slurry particle size cyclone classification apparatus according to claim 1, characterized in that: the primary pulping device (1) comprises a stirring drum (18), a stirring shaft, a planetary gear transmission mechanism, a main stirring motor (24) and an auxiliary stirring motor (30), wherein the stirring shaft is rotatably arranged in the stirring drum (18), a planet carrier (31) of the planetary gear transmission mechanism is connected with the stirring shaft, an output shaft of the main stirring motor (24) is connected with a sun gear (28) of the planetary gear transmission mechanism, an output shaft of the auxiliary stirring motor (30) is connected with an inner gear ring (26) of the planetary gear transmission mechanism, and a plurality of blades are arranged on the stirring shaft.

3. The slurry particle size cyclone classification apparatus according to claim 2, characterized in that: the planetary gear transmission mechanism comprises a planet carrier (31), a sun gear (28), a planet gear (27) and an inner gear ring (26), wherein the inner gear ring (26) is rotatably installed in the mixing drum (18), the sun gear (28) is coaxially arranged in the inner gear ring (26), the planet gear (27) is arranged between the inner gear ring (26) and the sun gear (28) and is simultaneously meshed with the inner gear ring (26) and the sun gear (28), the planet carrier (31) is arranged on the lower side of the sun gear (28), and the planet gear (27) can be rotatably connected with the planet carrier (31).

4. The slurry particle size cyclone classification apparatus according to claim 2, characterized in that: the stirring shaft comprises a main stirring shaft (20) and an auxiliary stirring shaft (19), the main stirring shaft (20) is connected with a planet carrier (31) and synchronously rotates along with the planet carrier, the auxiliary stirring shaft (19) is connected with a planet wheel (27) of a planetary gear transmission mechanism and synchronously rotates along with the planet wheel (27), the planet carrier (31) is rotatably connected with the auxiliary stirring shaft (19), and the blades comprise main blades (22) arranged on the main stirring shaft (20) and auxiliary blades (21) arranged on the auxiliary stirring shaft (19).

5. The slurry particle size cyclone classification device according to claim 4, characterized in that: the main blades (22) are provided with a plurality of blades at intervals along the main stirring shaft (20), the auxiliary blades (21) are provided with a plurality of blades at intervals along the auxiliary stirring shaft (19), and the auxiliary blades (21) are arranged between every two adjacent main blades (22).

6. The slurry particle size cyclone classification apparatus according to claim 2, characterized in that: the primary pulping device (1) further comprises an input gear (29), the input gear (29) is installed on an output shaft of the auxiliary stirring motor (30), and teeth meshed with the input gear (29) are arranged on the outer wall of the inner gear ring (26).

7. The slurry particle size cyclone classification apparatus according to claim 1, characterized in that: the device also comprises a filtering device (3) arranged between the discharge hole of the first-stage pulping device (1) and the feed inlet of the cyclone classifier (9).

8. The slurry particle size cyclone classification apparatus according to claim 1, characterized in that: the pulping device is characterized by further comprising a discharging valve, discharging pipes are connected to the discharging port of the first-stage pulping device (1) and the discharging port of the second-stage pulping device (2), and the discharging valves are arranged on the discharging pipes.

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