CN-224208248-U - Can satisfy swirler group of different hierarchical demands

CN224208248UCN 224208248 UCN224208248 UCN 224208248UCN-224208248-U

Abstract

The utility model discloses a cyclone group capable of meeting different classification requirements, and particularly relates to the technical field of alumina production and mineral separation, which comprises a distributor, an underflow pool body and an overflow pool body, wherein a pressure gauge is arranged on the distributor, a cyclone group feeding pipe is arranged at the bottom of the distributor, and a first cyclone feeding pipe and a second cyclone feeding pipe are respectively connected to two sides of the distributor; A seed cyclone feeding valve is arranged on the seed cyclone feeding pipe, the seed cyclone feeding pipe is connected with a seed cyclone body, a seed sand depositing nozzle is arranged at the bottom of the seed cyclone body, a seed central pipe is arranged at the top end of the seed cyclone body, and the seed central pipe is connected with a seed overflow pipe. According to the utility model, by arranging the cyclones with different cone angles and the matched components, differential adjustment of grading efficiency and rapid switching production can be realized, the problems that the fixed cyclone parameters cannot adapt to the preparation requirements of variable ore pulp and the production is influenced by replacing the sand settling nozzle are solved, and a foundation is laid for high yield and high quality of an ore grinding system.

Inventors

WANG HONGYI
RUAN KESHENG
YANG MAYUN
Du Ninghong
WANG NAN
PANG GUORUI
XU BAOLING

Assignees

中铝集团山西交口兴华科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250512

Claims (5)

1. The cyclone group capable of meeting different classification requirements comprises a distributor (1), an underflow tank body (10) and an overflow tank body (9), and is characterized in that a pressure gauge (3) is arranged on the distributor (1), a cyclone group feeding pipe (2) is arranged at the bottom of the distributor (1), and a first type cyclone sub-feeding pipe (18) and a second type cyclone sub-feeding pipe (19) are respectively connected to two sides of the distributor (1); A nail cyclone feeding valve (4) is arranged on the nail cyclone feeding pipe (18), the nail cyclone feeding pipe (18) is connected with a nail cyclone body (5), a nail sand settling nozzle (8) is arranged at the bottom of the nail cyclone body (5), a nail central pipe (7) is arranged at the top end of the nail cyclone body (5), and the nail central pipe (7) is connected with a nail overflow pipe (6); The feeding pipe (19) of the seed B cyclone is provided with a feeding valve (11) of the seed B cyclone, the feeding pipe (19) of the seed B cyclone is connected with a seed B cyclone body (12), the bottom of the seed B cyclone body (12) is provided with a seed B sand sedimentation nozzle (15), the top end of the seed B cyclone body (12) is provided with a seed B central pipe (14), and the seed B central pipe (14) is connected with a seed B overflow pipe (13); the first sand sedimentation nozzle (8) and the second sand sedimentation nozzle (15) are connected in the bottom flow pool body (10), and a bottom flow pool discharging pipe (17) is arranged at the bottom end of the bottom flow pool body (10); The overflow pipe (6) and the overflow pipe (13) are connected in the overflow tank body (9), and an overflow tank discharging pipe (16) is arranged at the bottom end of the overflow tank body (9).
2. The cyclone group capable of meeting different classification requirements according to claim 1, wherein the first type cyclone sub-body (5) and the second type cyclone sub-body (12) are two types of cyclones with different specifications and different cone angles.
3. A cyclone group capable of meeting different classification requirements according to claim 1, wherein the specification of the first central tube (7) and the second central tube (14) are different.
4. A cyclone group capable of meeting different classification requirements according to claim 1, wherein the specifications of the first sand depositing nozzle (8) and the second sand depositing nozzle (15) are different.
5. The cyclone group capable of meeting different classification requirements according to claim 1, wherein the bottom of the distributor (1) is connected with a cyclone group feeding pipe (2) through a flange, and a pressure gauge (3) is arranged at the top of the distributor (1) and used for monitoring and displaying the pressure in the distributor (1).

Description

Can satisfy swirler group of different hierarchical demands Technical Field The utility model relates to the technical field of alumina production and mineral separation, in particular to a cyclone group capable of meeting different classification requirements. Background The preparation of raw ore pulp is one of key links of alumina production, and the main task is to take bauxite ore and alkali liquor as main raw materials, and the main quality indexes of the ground finished ore pulp comprise solid content and fineness, and the aim of controlling the two indexes is to prepare for the next digestion reaction. The raw ore pulp is prepared by adopting a closed-circuit grinding process consisting of a grinding machine and a hydrocyclone, the hydrocyclone bears the function of granularity classification, and the fineness index required in the raw ore pulp preparation stage is greatly different due to the large difference of the dissolution reaction performance and grindability of different bauxite. Because of the unstable supply of ore sources, the types of ores used in production are switched more frequently. Different ore types, grindability and fineness indexes require corresponding adjustment of ore grinding production conditions, so that the requirements can be met. The classification effect of the cyclone has extremely important influence on controlling the grinding fineness index, and parameters of the cyclone with great influence on classification efficiency mainly comprise the diameter height and cone angle of the cylindrical body, the specification of a overflow central tube, the specification of a sand settling nozzle and the like. The inherent specification performance parameters of the cyclone, such as the cylindrical body part, the cone angle and the like, are fixed and invariable after installation and use, and the sand settling nozzle needs to be replaced and adjusted to enter the underflow pool for operation, so that the operation can be performed only when the ore grinding system is completely stopped. The ore pulp preparation with different ore types, grindability and fineness index requirements can reach the best quality index and the most economical production only by different diameter heights and cone angles of the cylindrical body parts of the cyclone sub-cylinders, specifications of the overflow central tube, specifications of the sand settling nozzle and the like. Because the diameter height and the cone angle of the fixed cyclone sub-cylindrical barrel part cannot meet the preparation requirements of variable bauxite pulp, the optimization of the grinding fineness is limited, and because the replacement and adjustment of the sand settling nozzle need to enter an underflow pool for operation, the operation can be performed only when the grinding system is completely stopped, and the production operation is forced to be interrupted. The method threatens the quality of the raw ore pulp finished product, influences the utilization rate of equipment and influences the yield and the production operation cost. Thus, a cyclone bank is now proposed which can meet different classification requirements. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides the cyclone group capable of meeting different classification requirements, and solves the problems that the fixed diameter height and the cone angle of the cylindrical barrel part of the cyclone sub-cylinder cannot adapt to the preparation requirements of changeable bauxite pulp, so that the optimization of grinding fineness is limited, and the replacement and adjustment of the sand depositing nozzle are required to be carried out when the grinding system is completely stopped, so that the production operation is forced to be interrupted, the quality of raw ore pulp finished products is threatened, the equipment utilization rate is influenced, and the yield and the production operation cost are influenced. In order to achieve the aim, the cyclone group capable of meeting different classification requirements comprises a distributor, an underflow pool body and an overflow pool body, wherein a pressure gauge is arranged on the distributor, a cyclone group feeding pipe is arranged at the bottom of the distributor, and a first cyclone feeding pipe and a second cyclone feeding pipe are respectively connected to two sides of the distributor; A nail cyclone feeding valve is arranged on the nail cyclone feeding pipe, the nail cyclone feeding pipe is connected with a nail cyclone body, a nail sand depositing nozzle is arranged at the bottom of the nail cyclone body, a nail central pipe is arranged at the top end of the nail cyclone body, and the nail central pipe is connected with a nail overflow pipe; A seed B cyclone feeding valve is arranged on the seed B cyclone feeding pipe, the seed B cyclone feeding pipe is connected with a seed B cyclone body, a seed B sand sedimentation nozzle is arranged a