Sampling splitter for mine solid waste powder detection and splitting method thereof

By designing a sampling and separator for mining solid waste powder detection, the circular funnel is uniformly fed and adjustable chute area, the problems of large reduction errors in solid waste powder and poor sampling representativeness in the prior art are solved, and the high representative reduction and precise adjustment of solid waste powder is achieved.

CN119958936APending Publication Date: 2025-05-09NORTHEASTERN UNIV CHINA
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Patent Information

Application Number
CN202510207956.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-05-09

AI Technical Summary

Technical Problem

In the inspection of existing mining solid waste powder, due to uneven feeding, the reduction error is large, the sampling representativeness is poor, and the reduction ratio is fixed and unadjustable.

Method used

Design a sampling and separator for testing solid waste powders in mines, including a bracket, feeding funnel, shrinking structure and material storage structure. The compressed tube is uniformly fed through a circular funnel, and the shrinkage cylinder is divided into two areas by the partition plate. One area is fixed in the chute feed area, and the other area can adjust the chute feed area through the sliding partition plate to achieve representative separation of solid waste powder in proportion.

Benefits of technology

Through uniform feeding and adjustable chute area, the error of shrinkage during sampling is reduced, the representativeness of shrinkage is improved, and the precise adjustment of the shrinkage ratio of solid waste powder is achieved.

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Abstract

The invention relates to the technical field of solid waste detection, and discloses a sampling splitter for mine solid waste powder detection and a splitting method thereof.The sampling splitter comprises a support, a feeding funnel is fixedly assembled at the top of one side of the support, and a splitting structure and a storage structure are sequentially arranged below the feeding funnel; a driving assembly for driving the storage outer cylinder to rotate is fixedly assembled on the upper surface of the bottom of the support. Due to the fact that the divider is even in feeding, the solid waste division ratio is determined by adjusting the size of the chute area and changing the ratio of the chute area corresponding to different material storage barrels to the total feeding area, and the division ratio adjusting method based on the divider is provided. The sampling divider for mine solid waste powder detection is simple in structure, convenient to operate, small in division error of solid waste powder to be sampled, good in sampling representativeness, adjustable in sampling division proportion and wide in solid waste powder particle size application range.
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Description

Technical Field

[0001] The present invention relates to the technical field of solid waste detection, and in particular to a sampling and reducing device for detecting mining solid waste powder and a reducing method thereof. Background Art

[0003] In order to realize the resource utilization of mine solid waste, it is usually necessary to conduct physical and chemical property tests before utilization in order to ensure the composition and properties of the solid waste, propose reasonable resource utilization plans, promote efficient recycling of resources, and ensure ecological safety and economic sustainable development. The accuracy of mine solid waste detection results depends to a large extent on the representativeness of the sampling of the solid waste powder to be tested. The two-division trough reducer commonly used in laboratories currently has large errors in the reduction of solid waste powder due to the unevenness of the feed, poor sampling representativeness, and a fixed and unadjustable reduction ratio. Summary of the invention

[0004] The present invention provides a sampling reducer and a reduction method for detecting solid waste powder in mines, which are used to solve the above-mentioned technical problems of large reduction error of solid waste powder, poor sampling representativeness and unadjustable reduction ratio due to uneven feeding.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a sampling and reducing device for detecting solid waste powder in mines, comprising a bracket, a feeding funnel is fixedly mounted on the top of one side of the bracket, and a reducing structure and a material storage structure are sequentially arranged below the feeding funnel; The contraction structure comprises a contraction barrel, a contraction divider is arranged inside the contraction barrel, the contraction divider comprises a middle partition, a fixed partition is fixedly mounted on one side wall of the middle partition, a sliding partition is slidably mounted on the other side wall of the middle partition, a first conical plate is fixedly mounted on the lower outer side of the middle partition and the fixed partition, a second conical plate is fixedly mounted on the other side wall of the middle partition and located below the sliding partition, and a sliding partition fixing assembly for the sliding partition is arranged on the side wall of the contraction barrel; The material storage structure comprises an outer material storage cylinder, a semicircular material storage inner cylinder is symmetrically embedded in the middle of the inner side of the outer material storage cylinder, and a semi-ring material storage inner cylinder is symmetrically embedded in the inner side of the outer material storage cylinder and outside the semicircular material storage inner cylinder; A driving component for driving the material storage outer cylinder to rotate is fixedly mounted on the bottom upper surface of the bracket.

[0006] According to the above technical solution, the bracket includes a vertical plate, and a side wall of the vertical plate is fixedly assembled with a top horizontal plate, a middle horizontal plate and a bottom horizontal plate in sequence from top to bottom.

[0007] According to the above technical solution, the sliding partition fixing assembly includes a bolt, one end of which is threadedly connected to the upper part of the side wall of the sliding partition, and a semicircular through hole for the bolt to pass through is provided on the side wall of the reduction cylinder, and a semicircular protractor is fixedly installed on the outer wall of the reduction cylinder and located at the lower side of the semicircular through hole.

[0008] According to the above technical solution, a circular ring is movably mounted on the outer wall of the reduction cylinder, and the bolt passes through the circular ring.

[0009] According to the above technical solution, a dividing ring is fixedly installed on the inner bottom of the material storage outer cylinder, an inner dividing plate is fixedly installed between the inner walls of the dividing ring, an outer dividing plate is symmetrically fixedly installed between the outer wall of the dividing ring and the inner wall of the material storage outer cylinder, the semicircular material storage inner cylinder is located between the inner wall of the dividing ring and the inner dividing plate, and the semi-ring material storage inner cylinder is located between the outer wall of the dividing ring, the outer dividing plate and the inner wall of the material storage outer cylinder.

[0010] According to the above technical solution, a handle hole is opened on the side wall of the semicircular material storage inner cylinder, and a handle is fixedly installed between the inner side walls of the semi-ring material storage inner cylinder.

[0011] According to the above technical solution, the feeding funnel is fixedly assembled in the middle of the top horizontal plate, the upper end of the side wall of the reduction barrel is fixedly connected with a cylinder by a lock, and the lower end of the side wall of the reduction barrel is fixedly connected to the upper end of the side wall of the material storage outer barrel by a lock.

[0012] According to the above technical solution, the driving assembly includes a motor, which is fixedly mounted on the upper surface of the bottom horizontal plate. A driving shaft is provided at the upper end of the motor, and a rectangular end head is provided at the upper end of the driving shaft. A rectangular hole groove matching the rectangular end head is provided at the bottom of the material storage outer barrel, and a tray is fixedly mounted on the outer wall of the rectangular end head, and the tray passes through the middle horizontal plate.

[0013] A sampling and dividing method of a sampling and dividing device for detecting mining solid waste powder, comprising the following specific steps: 1) Calculate the reduction ratio, , where i is the reduction ratio, m is the required sample mass, and M is the total mass of solid waste powder; 2) Calculate the angle of the fan groove. The reduction ratio i in step 1) is calculated, so the fan groove angle corresponding to the sample storage barrel is required. ; 3) Adjust the sliding partition and ensure that the angle of the feeding fan groove corresponding to the sample storage barrel is α according to the semicircular protractor; 4) Rotate the storage barrel to ensure that the two adjustable feeding area chutes guide the solid waste powder into the corresponding storage barrels respectively; 5) Turn on the motor switch to keep the reducing cylinder rotating at a constant speed.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are: The present invention provides a sampling reducer for detecting solid waste powder in mines. The reducer feeds evenly through a circular funnel. The reducer is divided into two areas by a partition. The feeding area of ​​the chute in one area is fixed, and the feeding areas of two chutes in the other area are adjustable through the partition. Different chutes respectively guide the solid waste powder into different storage barrels, thereby realizing proportional and representative separation of the solid waste powder. Since the reducer feeds evenly, the ratio of the chute area corresponding to different storage barrels to the total feeding area is changed by adjusting the size of the chute area, thereby determining the reduction ratio of the solid waste powder. A method for adjusting the reduction ratio based on the reducer is proposed.

[0015] The present invention adopts a circular funnel for feeding, which reduces the error of reduction during sampling and improves the representativeness of reduction. Since the reducer feeds evenly, the ratio of the chute area corresponding to different storage barrels to the total feeding area can be changed by adjusting the size of the chute area and rotating the storage barrel, thereby determining the reduction ratio of solid waste powder, thus overcoming the defect that the reduction ratio cannot be adjusted by the commonly used binary divider in the laboratory. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the axial structure of the present invention as a whole; Figure 2 It is a schematic side view of the structure of the present invention as a whole; Figure 3 It is a schematic diagram of the axial structure of the contraction structure in the present invention; Figure 4 It is a schematic diagram of the top view of the subdivided structure in the present invention; Figure 5 It is a schematic diagram of the structure of the reducer in the present invention from a first viewing angle axial view; Figure 6 It is a schematic diagram of the structure of the reducer in the present invention from a second viewing angle; Figure 7 It is an axial structural schematic diagram of the material storage structure of the present invention; Figure 8 It is a bottom view structural schematic diagram of the material storage structure of the present invention; Fig. 9 This is a schematic diagram of the axial structure of the material storage barrel in the present invention; Fig.10 It is a schematic diagram of the axial structure of the driving assembly in the present invention; In the figure: 1. bracket, 2. cylinder, 3. cylinder cover, 4. feeding funnel, 5. cylinder lock, 6. reduction cylinder, 6-1. reduction cylinder lock, 6-2. handle hook, 6-3. sliding partition holder, 6-3-1. bolt, 6-3-2. annular sleeve, 6-3-3. concave cone pointer, 6-4. partition, 6-5. semicircular protractor, 6-6. slot, 6-7. sliding partition, 6-8. reduction cylinder Barrel discharge port, 6-9. Fixed partition, 7. Storage barrel, 7-1. Storage barrel lock, 7-2. Inner handle of inner semicircular storage barrel, 7-3. Inner handle of outer semi-ring storage barrel, 7-4. Convex card, 7-5. Inner semicircular storage barrel, 7-6. Outer semi-ring storage barrel, 7-7. Square groove, 7-8. Fixed barrel of inner semicircular storage barrel, 7-9. Total fixed barrel of inner and outer storage barrels, 8. Square end of rotating shaft, 9. Rotating shaft, 10. Motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-10 The present invention provides a technical solution: a sampling and reducing device for detecting powder of mining solid waste, comprising a bracket, the bracket comprising a vertical plate 11, a side wall of the vertical plate 11 is fixedly equipped with a top horizontal plate 12, a middle horizontal plate 13 and a bottom horizontal plate 14 from top to bottom, wherein the vertical plate 11, the top horizontal plate 12, the middle horizontal plate 13 and the bottom horizontal plate 14 are integrally formed, a feeding funnel 2 is fixedly equipped on the top of one side of the bracket, the feeding funnel 2 penetrates and is fixedly equipped in the middle of the top horizontal plate 12, a reducing structure and a material storage structure are arranged in sequence below the feeding funnel 2, and a driving component for driving the material storage outer cylinder 41 to rotate is fixedly equipped on the bottom upper surface of the bracket; The reduction structure includes a reduction barrel 31, and a reducer 32 is arranged inside the reduction barrel 31. The reducer includes a middle partition 321, and a fixed partition 322 is fixedly installed on one side wall of the middle partition 321, and a sliding partition 323 is slidably installed on the other side wall of the middle partition 321. A first conical plate 324 is fixedly installed on the lower outer side of the middle partition 321 and the fixed partition 322, and a second conical plate 325 is fixedly installed on the other side wall of the middle partition 321 and located below the sliding partition 323. The side wall of the reduction barrel 31 is provided with a sliding partition fixing assembly for the sliding partition 323. The reducer has uniform feeding, and the size of the chute area is adjusted by the sliding partition whose angle can be precisely adjusted, so as to improve The ratio of the chute feeding area corresponding to different barrels in the variable storage barrel to the total feeding area is determined to determine the reduction ratio of solid waste powder. The guide part of the reduction barrel is a series of hollow areas with circular rings of different sizes stacked on the vertical line of the center of the funnel. There are two areas in total, one of which has a fixed chute feeding area, and the other area can be adjusted by sliding partitions. The sliding partition fixing assembly includes a bolt 331, one end of which is threadedly connected to the upper part of the side wall of the sliding partition 2. A semicircular through hole 332 for the bolt 331 to pass through is provided on the side wall of the reduction barrel 21. A semicircular protractor 333 is fixedly installed on the outer side wall of the reduction barrel 31 and located at the lower side of the semicircular through hole 332. A circular ring 334 is movably installed on the outer side wall of the reduction barrel 31, and the bolt 331 passes through the circular ring 334. The angle indicated by the bolt 331 on the semicircular protractor is the angle corresponding to the sliding partition. The discharge ports of different reduction barrels respectively guide the solid waste powder into different barrels in the storage barrel, thereby achieving proportional and representative separation of the solid waste powder.

[0019] The material storage structure includes an outer material storage cylinder 41, a semicircular material storage inner cylinder 42 is symmetrically embedded in the middle of the inner side of the outer material storage cylinder 41, a semi-ring material storage inner cylinder 43 is symmetrically embedded on the inner side of the outer material storage cylinder 41 and located on the outer side of the semicircular material storage inner cylinder 42, a separator ring 44 is fixedly installed on the inner bottom of the outer material storage cylinder 41, an inner separator plate 45 is fixedly installed between the inner side walls of the separator ring 44, the semicircular material storage inner cylinder 42 is located between the inner side wall of the separator ring 44 and the inner separator plate 45, the inner separator plate 45 divides the inner space of the separator ring 44 into two spaces for accommodating the semicircular material storage inner cylinder 42, and the outer side wall of the separator ring 44 and the inner side wall of the outer material storage cylinder 41 are fixedly installed. An outer dividing plate 46 is symmetrically fixedly installed between the side walls, and the semi-ring material storage inner cylinder 43 is located between the outer side wall of the dividing ring 44, the outer dividing plate 45 and the inner side wall of the material storage outer cylinder 41; the outer dividing plate 46 divides the outer side of the dividing ring 44 and the inner side space of the material storage outer cylinder 41 into two spaces for accommodating the semi-ring material storage inner cylinder 43, and a lifting handle hole 47 is opened on the side wall of the semi-circular material storage inner cylinder 42, and the lifting handle hole 47 is used to lift the semi-circular material storage inner cylinder 42 out of the material storage outer cylinder 41, and a lifting handle 48 is fixedly installed between the inner side walls of the semi-ring material storage inner cylinder 43, and the lifting handle 48 is used to lift the semi-ring material storage inner cylinder 43 out of the material storage outer cylinder 41.

[0020] The upper end of the side wall of the reduction and dividing cylinder 31 is fixedly connected to the cylinder 7 through the lock 6, and the cylinder 7 wraps the lower part of the feeding funnel 2. The lower end of the side wall of the reduction and dividing cylinder 31 and the upper end of the side wall of the material storage outer cylinder 41 are fixedly connected through the lock 6. The lock is composed of a movable part and a fixed part. The lock can be a buckle. The fixing or separation between the reduction and dividing cylinder 31 and the cylinder 7 and between the reduction and dividing cylinder 31 and the material storage outer cylinder 41 is achieved through the combination and separation of the movable part and the fixed part.

[0021] The driving assembly includes a motor 51, which is connected to an external motor controller to control the motor's on and off and speed adjustment. The motor 51 is fixedly mounted on the upper surface of the bottom horizontal plate 14. A driving shaft 52 is provided at the upper end of the motor 51. A rectangular end head 53 is provided at the upper end of the driving shaft 52. The motor drives the rectangular end head to rotate through the driving shaft. A rectangular hole groove 49 matching the rectangular end head 53 is provided at the bottom of the material storage outer cylinder 41. The upper end of the rectangular end head extends into the interior of the rectangular hole groove, so that the driving motor drives the material storage outer cylinder to rotate. A tray 54 is fixedly mounted on the outer wall of the rectangular end head 53. The tray 54 passes through the middle horizontal plate 13. The lower surface of the material storage outer cylinder is in contact with the upper surface of the tray. The tray provides a support for the material storage outer cylinder, thereby increasing the stability of the material storage outer cylinder 41 during rotation.

[0022] A sampling and dividing method of a sampling and dividing device for detecting mining solid waste powder, comprising the following specific steps: 1) Calculate the reduction ratio, Where i is the reduction ratio, m is the required sample mass, and M is the total mass of solid waste powder; 2) Calculate the angle of the fan groove. The reduction ratio i in step 1) is calculated, so the fan groove angle corresponding to the sample storage barrel is required. ; 3) Adjust the sliding partition and ensure that the angle of the feeding fan groove corresponding to the sample storage barrel is α according to the semicircular protractor; 4) Rotate the storage barrel to ensure that the two adjustable feeding area chutes guide the solid waste powder into the corresponding storage barrels respectively; 5) Turn on the motor switch to keep the reducing cylinder rotating at a constant speed.

[0023] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sampling and reducing device for detecting mining solid waste powder, comprising a bracket, characterized in that: A feeding funnel (2) is fixedly mounted on the top of one side of the bracket, and a contraction structure and a material storage structure are sequentially arranged below the feeding funnel (2); The contraction structure comprises a contraction barrel (31), a contraction device 32 is provided inside the contraction barrel (31), the contraction device comprises a middle partition (321), a fixed partition (322) is fixedly mounted on one side wall of the middle partition (321), a sliding partition (323) is slidably mounted on the other side wall of the middle partition (321), a first conical plate (324) is fixedly mounted on the lower outer sides of the middle partition (321) and the fixed partition (322), a second conical plate (325) is fixedly mounted on the other side wall of the middle partition (321) and located below the sliding partition (323), and a sliding partition fixing assembly for the sliding partition (323) is provided on the side wall of the contraction barrel (31); The material storage structure comprises a material storage outer cylinder (41), a semicircular material storage inner cylinder (42) is symmetrically embedded in the middle of the inner side of the material storage outer cylinder (41), and a semi-ring material storage inner cylinder (43) is symmetrically embedded in the inner side of the material storage outer cylinder (41) and outside the semicircular material storage inner cylinder (42); A driving assembly for driving the material storage outer cylinder (41) to rotate is fixedly mounted on the upper surface of the bottom of the bracket.

2. The sampling and reducing device for detecting mining solid waste powder according to claim 1 is characterized in that: The bracket comprises a vertical plate (11), and a side wall of the vertical plate (11) is fixedly mounted with a top horizontal plate (12), a middle horizontal plate (13) and a bottom horizontal plate (14) in sequence from top to bottom.

3. The sampling and reducing device for detecting mining solid waste powder according to claim 2 is characterized in that: The sliding partition fixing assembly comprises a bolt (331), one end of the bolt (331) being threadedly connected to the upper part of the side wall of the sliding partition (2), a semicircular through hole (332) for the bolt (331) to pass through is provided on the side wall of the reduction barrel (21), and a semicircular protractor (333) is fixedly mounted on the outer side wall of the reduction barrel (31) and located below the semicircular through hole (332).

4. The sampling and reducing device for detecting mining solid waste powder according to claim 3 is characterized in that: A circular ring (334) is movably mounted on the outer wall of the reduction cylinder (31), and the bolt (331) passes through the circular ring (334).

5. The sampling and reducing device for detecting mining solid waste powder according to claim 1, characterized in that: A separator ring (44) is fixedly mounted on the inner bottom of the material storage outer cylinder (41); an inner separator plate (45) is fixedly mounted between the inner side walls of the separator ring (44); an outer separator plate (46) is symmetrically fixedly mounted between the outer side wall of the separator ring (44) and the inner side wall of the material storage outer cylinder (41); the semicircular material storage inner cylinder (42) is located between the inner side wall of the separator ring (44) and the inner separator plate (45); and the semicircular material storage inner cylinder (43) is located between the outer side wall of the separator ring (44), the outer separator plate (45) and the inner side wall of the material storage outer cylinder (41).

6. The sampling and reducing device for detecting mining solid waste powder according to claim 5, characterized in that: A handle hole (47) is provided on the side wall of the semicircular material storage inner cylinder (42), and a handle (48) is fixedly mounted between the inner side walls of the semi-ring material storage inner cylinder (43).

7. The sampling and reducing device for detecting mining solid waste powder according to claim 2, characterized in that: The feeding funnel (2) penetrates and is fixedly mounted in the middle of the top horizontal plate (12); the upper end of the side wall of the reduction barrel (31) is fixedly connected to the cylinder (7) via a lock buckle (6); the lower end of the side wall of the reduction barrel (31) is fixedly connected to the upper end of the side wall of the material storage outer barrel (41) via a lock buckle (6).

8. The sampling and reducing device for detecting mining solid waste powder according to claim 2, characterized in that: The driving assembly comprises a motor (51), the motor (51) being fixedly mounted on the upper surface of the bottom horizontal plate (14), a driving shaft (52) being provided at the upper end of the motor (51), a rectangular end head (53) being provided at the upper end of the driving shaft (52), a rectangular hole (49) matching the rectangular end head (53) being provided at the bottom of the material storage outer cylinder (41), a tray (54) being fixedly mounted on the outer side wall of the rectangular end head (53), and the tray (54) passing through the middle horizontal plate (13).

9. The sampling and dividing method of the sampling and dividing device for detecting mining solid waste powder according to any one of claims 1 to 4, characterized in that: The specific steps include: 1) Calculate the reduction ratio, , where i is the reduction ratio, m is the required sample mass, and M is the total mass of solid waste powder; 2) Calculate the angle of the fan groove. The reduction ratio i in step 1) is calculated, so the fan groove angle corresponding to the sample storage barrel is required. ; 3) Adjust the sliding partition and ensure that the angle of the feeding fan groove corresponding to the sample storage barrel is α according to the semicircular protractor; 4) Rotate the storage barrel to ensure that the two adjustable feeding area chutes guide the solid waste powder into the corresponding storage barrels respectively; 5) Turn on the motor switch to keep the reducing cylinder rotating at a constant speed.