Fine alumina waste recovery system
By designing a fine alumina scrap recycling system and using negative pressure conveying and vacuum capture technology, the problems of increased material consumption and labor costs in waste treatment are solved, efficient recycling and reuse are achieved, the needs of clean production are met, and production costs and labor intensity are significantly reduced.
Patent Information
- Application Number
- CN202421490364.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-27
AI Technical Summary
In the production process of fine alumina, waste treatment has problems of material consumption and labor costs, and it is difficult to meet the needs of clean production.
A fine alumina waste recycling system is designed, including air-moving chutes, negative pressure waste silos, vacuum traps, wet silos, mixing spirals and grinding devices. Through negative pressure conveying and vacuum capture technology, efficient waste recycling and reuse is achieved.
The system has a simple structure and short process, which significantly reduces the labor intensity of employees, realizes closed and clean production throughout the process, reduces production costs, and increases production efficiency. The monthly waste recycling volume can reach 700 tons.
Smart Images
Figure CN222805771U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of waste recycling in alumina production, and in particular relates to a fine alumina waste recycling system. Background Art
[0002] In the traditional process of producing fine alumina products, materials need to be transported, cleaned, and screened. In each deep processing link, some waste materials such as dust collection materials and screened materials will be generated. The original waste treatment method is to re-dissolve or burn alumina in the rewetting process. When processing these waste materials, they need to go through the processes of packaging, re-transportation, and return to the warehouse. During this period, material consumption and labor costs increase production costs, and dust is easily generated, which cannot meet the needs of clean production. Utility Model Content
[0003] In view of the problems existing in the prior art, the utility model provides a fine alumina waste recycling system, which specifically includes the following contents:
[0004] A fine alumina waste recycling system includes a pneumatic chute, a negative pressure waste bin, a vacuum collector, a wet bin, a mixing screw, and a grinding device. The discharge port of the pneumatic chute is connected to the feed port of the negative pressure waste bin, and the discharge port of the negative pressure waste bin is connected to the feed port of the vacuum collector; the feed port of the mixing screw is respectively connected to the discharge port of the vacuum collector and the discharge port of the wet bin; the discharge port of the mixing screw is connected to the feed port of the grinding device. The pneumatic chute is used to collect dust and screened material, and transport the collected waste to the negative pressure waste bin. The waste bin is a negative pressure waste bin, which is more conducive to the transportation of waste and can effectively avoid the occurrence of transportation blockage. The negative pressure waste bin is connected to a vacuum collector, and the internal pressure of the vacuum collector is lower than that of the negative pressure waste bin. The waste in the negative pressure waste bin is transported to the vacuum collector under the action of negative pressure (or under the dual action of negative pressure and an external conveying device). The vacuum collector is connected to the mixing spiral, and the waste is transported to the grinding device together with the wet material for grinding to finally obtain fine alumina powder.
[0005] Preferably, a first vacuum device is further included, and the negative pressure waste bin is also provided with a first air outlet, the first air outlet is connected to the first vacuum device, and a first filter is provided inside the first air outlet. The function of the first vacuum device is to provide negative pressure for the negative pressure waste bin, and the function of the first filter is to intercept waste to prevent the waste from being extracted by the first vacuum device. The mesh of the first filter should be small enough to intercept waste, and the specific size can be set according to actual needs.
[0006] Preferably, a second vacuum device is further included, and the vacuum collector is also provided with a second air outlet, the second air outlet is connected to the second vacuum device, and a second filter is provided inside the second air outlet. The second vacuum device is used to provide negative pressure for the vacuum collector, and the second filter is used to intercept waste materials to prevent the waste materials from being extracted by the second vacuum device. The mesh of the second filter should be small enough to intercept waste materials, and the specific size can be set according to actual needs.
[0007] Preferably, the first vacuum pumping device and the second vacuum pumping device are both fans.
[0008] Preferably, the grinding device is a mill.
[0009] Preferably, the discharge port of the vacuum collector is provided with a discharger, and the discharge port of the discharger is connected to the feed port of the mixing screw.
[0010] Preferably, it further comprises a finished product bin, wherein the feed port of the finished product bin is connected to the discharge port of the grinding device.
[0011] Beneficial effects of the utility model:
[0012] In the fine aluminum oxide waste recovery system disclosed by the utility model, the pneumatic chute is used to collect dust and screened material, and the collected waste is transported to the negative pressure waste bin. The waste bin is a negative pressure waste bin, which is more conducive to the transportation of waste and can effectively avoid the occurrence of transportation blockage and the like. The negative pressure waste bin is connected to a vacuum collector, and the internal pressure of the vacuum collector is lower than that of the negative pressure waste bin. The waste in the negative pressure waste bin is transported to the vacuum collector under the action of negative pressure (or under the dual action of negative pressure and external conveying device). The vacuum collector is connected to the mixing spiral, and the waste is mixed with the wet material in the spiral and then transported to the grinding device for grinding to finally obtain fine aluminum oxide micropowder. The fine aluminum oxide waste recovery system disclosed by the utility model has a simple structure, a short process, and significantly reduced labor intensity of employees. The entire process is closed and clean production. There is no need to generate various waste packaging, re-transportation, and return to warehouse. After production testing, the system disclosed in the utility model can recycle up to 700 tons of waste per month, which can effectively reduce production costs and increase production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the device disclosed in the utility model. DETAILED DESCRIPTION
[0014] The utility model is described in detail below in conjunction with the accompanying drawings and specific implementation methods. The embodiments shown below do not limit the contents of the utility model described in the claims. In addition, the entire contents of the structures represented by the following embodiments are not limited to those necessary as solutions of the utility model described in the claims.
[0015] refer to Figure 1 , the arrows in the figure indicate the direction of the material, a fine alumina waste recycling system, including a pneumatic chute 1, a negative pressure waste bin 2, a vacuum collector 3, a wet bin 4, a mixing screw 5, and a grinding device 6, the discharge port of the pneumatic chute 1 is connected to the feed port of the negative pressure waste bin 2, the discharge port of the negative pressure waste bin 2 is connected to the feed port of the vacuum collector 3; the feed port of the mixing screw 5 is respectively connected to the discharge port of the vacuum collector 3 and the discharge port of the wet bin 4; the discharge port of the mixing screw 5 is connected to the feed port of the grinding device 6. The pneumatic chute 1 is used to collect dust and screened material, and transport the collected waste to the negative pressure waste bin 2, the waste bin is a negative pressure waste bin 2, which is more conducive to the transportation of waste and can effectively avoid the occurrence of transportation blockage. The negative pressure waste bin 2 is connected to the vacuum collector 3, and the internal pressure of the vacuum collector 3 is lower than that of the negative pressure waste bin 2. The waste in the negative pressure waste bin 2 is transported to the vacuum collector 3 under the action of negative pressure (or under the dual action of negative pressure and external conveying device). The vacuum collector 3 is connected to the mixing screw 5, and the waste is transported to the grinding device 6 together with the wet material for grinding to finally obtain fine alumina powder.
[0016] In some embodiments of the present invention, a first vacuum device 8 is further included, and the negative pressure waste bin 2 is also provided with a first air outlet, the first air outlet is connected to the first vacuum device 8, and a first filter screen 9 is provided inside the first air outlet. The function of the first vacuum device 8 is to provide negative pressure for the negative pressure waste bin 2, and the function of the first filter screen 9 is to intercept waste and prevent the waste from being extracted by the first vacuum device 8. The mesh of the first filter screen 9 should be small enough to intercept waste, and the specific size can be set according to actual needs.
[0017] In some embodiments of the utility model, a second vacuum device 10 is further included, and the vacuum collector 3 is also provided with a second air outlet, which is connected to the second vacuum device 10, and a second filter screen 11 is provided inside the second air outlet. The second vacuum device 10 is used to provide negative pressure for the vacuum collector 3, and the second filter screen 11 is used to intercept waste materials to prevent the waste materials from being extracted by the second vacuum device 10. The mesh of the second filter screen 11 should be small enough to intercept waste materials, and the specific size can be set according to actual needs.
[0018] In some embodiments of the present invention, both the first vacuum pumping device 8 and the second vacuum pumping device 10 are fans.
[0019] In some embodiments of the present invention, the grinding device 6 is a grinder.
[0020] In some embodiments of the present invention, a discharger is provided at the discharge port of the vacuum collector 3 , and the discharge port of the discharger is connected to the feed port of the mixing screw 5 .
[0021] In some embodiments of the present invention, a finished product bin is further included, and a feed port of the finished product bin is connected to a discharge port of the grinding device 6 .
[0022] In the fine aluminum oxide waste recovery system disclosed in the utility model, the pneumatic chute 1 is used to collect dust and screened material, and the collected waste is transported to the negative pressure waste bin 2. The waste bin is a negative pressure waste bin 2, which is more conducive to the transportation of waste and can effectively avoid the occurrence of transportation blockage. The negative pressure waste bin 2 is connected to the vacuum collector 3. The internal pressure of the vacuum collector 3 is lower than that of the negative pressure waste bin 2. The waste in the negative pressure waste bin 2 is transported to the vacuum collector 3 under the action of negative pressure (or under the dual action of negative pressure and external conveying device). The vacuum collector 3 is connected to the mixing screw 5. The waste is mixed with the wet material in the screw and then transported to the grinding device 6 for grinding to finally obtain fine aluminum oxide powder. The fine aluminum oxide waste recovery system disclosed in the utility model has a simple structure, a short process, and significantly reduced labor intensity of employees. The whole process is closed and clean production. There is no need to generate various waste packaging, reshipping and returning to warehouse. After production testing, the system disclosed by the utility model can recycle up to 700 tons of waste per month, which can effectively reduce production costs and increase production efficiency.
[0023] In the description of the present application, it should be noted that the terms "inside" and "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0024] Unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0025] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A fine alumina waste recovery system, characterized in that: It includes a pneumatic chute, a negative pressure waste bin, a vacuum collector, a wet material bin, a mixing screw, and a grinding device. The discharge port of the pneumatic chute is connected to the feed port of the negative pressure waste bin, and the discharge port of the negative pressure waste bin is connected to the feed port of the vacuum collector; the feed port of the mixing screw is respectively connected to the discharge port of the vacuum collector and the discharge port of the wet material bin; the discharge port of the mixing screw is connected to the feed port of the grinding device.
2. A fine alumina waste recycling system according to claim 1, characterized in that: It also includes a first vacuum pumping device, and the negative pressure waste bin is also provided with a first air outlet, the first air outlet is connected to the first vacuum pumping device, and a first filter is provided inside the first air outlet.
3. A fine alumina waste recycling system according to claim 2, characterized in that: It also includes a second vacuum pumping device. The vacuum collector is also provided with a second air outlet, the second air outlet is connected to the second vacuum pumping device, and a second filter is provided inside the second air outlet.
4. A fine alumina waste recycling system according to claim 3, characterized in that: The first vacuum pumping device and the second vacuum pumping device are both fans.
5. A fine alumina waste recycling system according to claim 1, characterized in that: The grinding device is a mill.
6. The fine alumina waste recovery system according to any one of claims 1 to 5, characterized in that: The discharge port of the vacuum collector is provided with a discharger, and the discharge port of the discharger is connected to the feed port of the mixing screw.
7. The fine alumina waste recycling system according to any one of claims 1 to 5, characterized in that: It also includes a finished product bin, and a feed port of the finished product bin is connected to a discharge port of the grinding device.