CN116251748A

CN116251748A - Dry-type wind power separator

Info

Publication number: CN116251748A
Application number: CN202310082667.XA
Authority: CN
Inventors: 刘文刚; 孙文瀚; 刘文宝; 赵强; 陈旭东
Original assignee: 东北大学
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-13

Abstract

The invention provides a dry type wind power separator, which comprises a separator cylinder body, a sand setting collecting barrel, an exhaust fan and an overflow collecting barrel, wherein the separator cylinder body is arranged at the top of the sand setting collecting barrel, a steady flow cone is arranged in the separator cylinder body and fixedly connected with a separator end cover, the exhaust fan is arranged at the top of the overflow collecting barrel, the separator cylinder body is connected with the overflow collecting barrel through a communicating pipe, a separation area is formed between the separator cylinder body and the steady flow cone, and the separation area is sequentially a slow separation area, a medium speed separation area and a quick separation area from top to bottom.

Description

Dry-type wind power separator

Technical Field

The invention belongs to the technical field of mineral separation equipment, and particularly relates to a dry type wind separator.

Background

Gravity separation is an essential link in mineral separation and related industrial scientific research and production practice, and physical separation is carried out by utilizing density differences of different materials. The reselection is carried out in a continuous medium, usually an aqueous medium such as hydrocyclones, spiral chute and centrifugal concentrator. The traditional wet type re-selecting equipment has large water consumption and is easy to cause the waste of water resources. In addition, some materials change physical or chemical properties when meeting water, and are not suitable for wet separation. The development of dry separation devices is therefore of great importance. The common powder particle separation methods include a mechanical sieve separation method, a hydraulic separation method, a wind force separation method and the like, wherein the wind force separation method is to send powder particle materials to be separated into a separation device by using feeding wind, and the powder particles are separated by utilizing the gravity, inertia force and the characteristics of different wind sending speeds of particles with different particle diameters of the materials. The existing dry separator mainly comprises a cyclone separator, a pneumatic fluidized bed and the like, has the problems of poor separation effect, serious dust pollution and the like, and influences the use of the dry separator in scientific research and production practice.

Disclosure of Invention

The invention aims to provide a dry type wind power separator. Through setting up slow, medium speed, quick tertiary separation district, not only increased the dwell time of granule in the separation district and still alleviated the mechanical inclusion of granule, set up the stationary flow awl simultaneously and carry out the water conservancy diversion to the inside flow field of separator, further improved the stability of selection by winnowing separation process.

In order to achieve the above purpose, the invention provides a dry type wind power separator which comprises a separator cylinder body, a sand setting collecting barrel, an exhaust fan and an overflow collecting barrel, wherein the separator cylinder body is arranged at the top of the sand setting collecting barrel, a steady flow cone is arranged in the separator cylinder body, the steady flow cone is an inverted conical hollow cavity body and fixedly connected with a separator end cover, the exhaust fan is arranged at the top of the overflow collecting barrel, the separator cylinder body is connected with the overflow collecting barrel through a communicating pipe, the separator cylinder body sequentially comprises a slow separation zone, a medium speed separation zone and a quick separation zone from top to bottom, and the cross section space between each separation zone and the steady flow cone is gradually reduced.

Further, one end of the exhaust fan is connected with a dust removing bag.

Further, a bracket is connected between the separator cylinder body and the sand setting collecting barrel, and the bracket is of a hollow structure.

Further, the overflow collecting barrel is provided with a sealing layer, and the sealing layer is arranged on the inner wall of the overflow collecting barrel.

Further, the steady flow cone is arranged at the position of the axis below the end cover of the separator.

Further, the side part of the end cover of the separator is provided with an overflow port, the side part of the overflow collecting barrel is provided with a collecting port, the overflow port is connected with the collecting port through the communicating pipe, and the height of the overflow port is higher than that of the collecting port.

Further, an ore feeding port is formed in the top of the separator end cover, and the ore feeding port and the steady flow cone are coaxially arranged.

Further, the steady flow cone comprises a cylinder and a cone body positioned on the cylinder; the separator cylinder comprises a large-diameter section, a circular table section and a small-diameter section.

Compared with the prior equipment, the invention has the following advantages:

1. the invention is dry ore dressing equipment, the equipment configuration is simple, and the sample is not required to be subjected to size mixing and dehydration;

2. the invention is provided with three stages of separation areas which respectively correspond to the scavenging, roughing and selecting areas in the gravity separation process, so that the separation efficiency can be improved and the impurities can be reduced;

3. the steady flow cone provided by the invention can obviously improve the stability and symmetry of the flow field in the separator, and the device has wide application prospects in scientific research and production.

Drawings

FIG. 1 is a front view of a dry wind separator according to the present invention;

FIG. 2 is a top view of a dry wind separator according to the present invention;

FIG. 3 is a front perspective view of a dry wind separator according to the present invention;

FIG. 4 is a top perspective view of a dry wind separator provided by the present invention.

Wherein: 1. a separator cover; 2. an overflow port; 3. a separator cylinder; 4. a sand setting collecting barrel; 5. a communicating pipe; 6. an exhaust fan; 7. a dust removal bag; 8. an overflow collection tank; 9. a steady flow cone; 10. a bracket; 31. a large diameter section; 32. a circular table section; 33. a small diameter section; 91. a cylinder; 92. and (5) a cone.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

The utility model provides a dry-type wind-force separator, includes separator barrel 3, sand setting collecting vessel 4, air exhauster 6, overflow collecting vessel 8, separator barrel 3 set up in sand setting collecting vessel 4 top, the inside steady flow awl 9 that is equipped with of separator barrel 3, steady flow awl 9 rigid coupling is in separator end cover 1, air exhauster 6 set up in overflow collecting vessel 8 top, separator barrel 3 pass through communicating pipe 5 with overflow collecting vessel 8 is connected, separator barrel 3 with form the separation district between steady flow awl 9, the separation district top-down is slow separation district, medium speed separation district, quick separation district in proper order, steady flow awl 9 includes cylinder 91 and is located the cone 91 of cylinder 92; the separator cylinder 3 comprises a large diameter section 31, a circular truncated cone section 32 and a small diameter section 33. The space between the large-diameter section 31 at the upper part of the separator cylinder body 3 and the steady flow cone 9 is the largest, the wind speed is the slowest, and the separator cylinder body is a slow separation zone; the middle circular table section 32 of the separator cylinder body 3 and the middle cylinder 91 of the steady flow cone 9 are separated in a medium space, the wind speed is medium, and the middle circular table section is a medium-speed separation area; the space between the small diameter section 33 at the lower part of the separator cylinder body 3 and the cone 92 at the lower part of the steady flow cone 9 is gradually reduced, the wind speed is fastest, the rapid separation area is realized, one end of the exhaust fan 6 is connected with the dust collection bag 7, and as the dust in the dry type gravity separation process is bigger, part of the dust can be directly sucked into the exhaust fan 6, therefore, the dust collection bag 7 is connected at the exhaust position of the exhaust fan 6, the separator cylinder body 3 and the sand setting collecting barrel 4 are connected with a bracket 10, the bracket 10 is of a hollow structure, the stability and uniformity of air inlet are ensured, the overflow collecting barrel 8 is provided with a sealing layer, the sealing layer is arranged on the inner wall of the overflow collecting barrel 8 and used for improving the stability of an internal wind flow field, and the steady flow cone 9 is arranged at the position of the lower axis of the separator end cover 1. The side of the separator end cover 1 is provided with an overflow port 2, the side of the overflow collecting barrel 8 is provided with a collecting port, the overflow port 2 is connected with the collecting port through the communicating pipe, the height of the overflow port 2 is higher than that of the collecting port, the top of the separator end cover 1 is provided with an ore feeding port, and the ore feeding port and the steady flow cone 9 are coaxially arranged.

When the device is used, a sample enters from a ore feeding port, an exhaust fan 6 works, the sample runs in a separator cylinder 3, wind power blows in the separator cylinder 3 from bottom to top, the sample reciprocates in a slow separation zone, a medium speed separation zone and a fast separation zone, finally, a heavier or coarser particle sample enters into a sand setting collecting barrel 4 after being separated by the fast separation zone, a lighter or finer particle sample is collected at an overflow port 2 after passing through the slow separation zone, dust or impurities generated in the separation process are sucked out by the exhaust fan 6 and enter into a dust collecting bag 7 at the exhaust position of the exhaust fan.

In this example, a raw ore sample of-0.7mm+0.18mm was subjected to a wind separation test, and the air volume at the overflow port was 85m ³ And/h. The sorting results are shown in the following table.

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Claims

1. The utility model provides a dry-type wind-force separator, its characterized in that, includes separator barrel, sand setting collecting vat, air exhauster, overflow collecting vat, the separator barrel set up in sand setting collecting vat top, the inside steady flow awl that is equipped with of separator barrel, steady flow awl rigid coupling in the separator end cover, the air exhauster set up in overflow collecting vat top, the separator barrel pass through communicating pipe with the overflow collecting vat is connected, the separator barrel with form the separation district between the steady flow awl, the separation district top-down is slow separation district, intermediate speed separation district, quick separation district in proper order.

2. A dry wind separator as claimed in claim 1, wherein a dust bag is connected to one end of the suction fan.

3. A dry wind separator according to claim 1, wherein a bracket is connected between the separator cylinder and the sand setting collecting barrel, and the bracket is of a hollow structure.

4. A dry wind separator as claimed in claim 1, wherein the overflow collector is provided with a sealing layer, the sealing layer being provided on the inner wall of the overflow collector.

5. A dry wind separator as claimed in claim 1, wherein the cone is disposed at a location axially below the end cap of the separator.

6. A dry wind separator according to claim 1, wherein the separator end cap side is provided with an overflow port, the overflow collecting vessel side is provided with a collecting port, the overflow port is connected to the collecting port through the communicating pipe, and the overflow port is higher than the collecting port.

7. The dry wind separator of claim 5, wherein the top of the separator end cap is provided with a feed port, the feed port being concentric with the flow stabilizing cone.

8. The straight dry wind separation zone of claim 1, wherein the steady flow cone comprises a cylinder and a cone positioned on the cylinder; the separator cylinder comprises a large-diameter section, a circular table section and a small-diameter section.