Roller screen device for separating steel slag powder

Abstract

The utility model relates to the technical field of steel slag screening, in particular to a roller screen device for separating steel slag powder. The transmission shaft is obliquely arranged on the base; the roller screen body is coaxially arranged on the transmission shaft in a sleeving manner, and the roller screen body is used for screening steel slag particles with different diameters; the feeding hole is formed in the higher end of the roller screen body through a feeding pipeline; the driving unit is connected with the lower end of the transmission shaft, and the driving unit is used for driving the transmission shaft to rotate and driving the roller screen body to rotate to screen the steel slag; the heating wire is arranged on the transmission shaft; according to the steel slag screening device, the problems that when steel slag is screened, the steel slag of 0-5 mm is not screened thoroughly, and the screening quality of the steel slag is reduced are solved, thorough screening of the steel slag of 0-5 mm is achieved, and the screening quality of the steel slag is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel slag screening, in particular to a roller screen device for separating steel slag powder. Background Art

[0002] Steel slag, a waste product from steelmaking, has a huge annual output but low utilization rate, leading to resource waste and environmental pollution. Through technological innovation, steel slag can be used in road construction, not only increasing resource utilization and reducing pollution, but also lowering construction costs and improving road quality. Steel slag aggregate is wear-resistant and anti-skid, and adheres well to asphalt, enhancing driving safety and comfort. Steel slag powder has gelling activity and can replace cement, improving the crack resistance of the base layer and reducing maintenance costs.

[0003] At present, the steel slag production line mainly produces products with three particle size specifications: 0-5mm, 5-10mm and larger than 10mm. However, in the actual production process, when the steel slag is screened, more 0-5mm steel slag will enter the 5-10mm and larger than 10mm steel slag, resulting in the 5-10mm and larger than 10mm steel slag containing more 0-5mm steel slag, causing the steel slag to be screened thoroughly, thereby reducing the screening quality of the steel slag.

[0004] Therefore, the utility model provides a roller screen device for separating steel slag powder. Utility Model Content

[0005] The purpose of the utility model is to propose a roller screen device for separating steel slag powder, which solves the problem that 0-5 mm steel slag is not thoroughly screened during steel slag screening, thereby reducing the screening quality of steel slag. It realizes thorough screening of 0-5 mm steel slag, thereby greatly improving the screening quality of steel slag.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions: a roller screen device for separating steel slag powder, comprising:

[0007] base;

[0008] The transmission shaft is tilted on the base;

[0009] A roller screen body is coaxially sleeved on the transmission shaft, and the roller screen body is used to screen steel slag particles of different diameters;

[0010] A feed port is provided on the higher end of the roller screen body through a feed pipe;

[0011] A driving unit is connected to the lower end of the transmission shaft, and is used to drive the transmission shaft to rotate and drive the roller screen to rotate to screen the steel slag;

[0012] Also includes:

[0013] A heating wire is provided on the transmission shaft;

[0014] The fan is installed on the ground and is located below the lower end of the transmission shaft. The fan is used to blow the powder attached to the steel slag particles.

[0015] Preferably, the transmission shaft is a hollow structure, and the heating wire is located inside the transmission shaft. A heater is provided on the transmission shaft, and the heater is connected to the heating wire.

[0016] Preferably, the base comprises:

[0017] A first support, disposed on the ground and connected to one end of the transmission shaft via a first bearing;

[0018] A second support is provided on the ground and connected to the other end of the transmission shaft via a second bearing;

[0019] The third support is arranged on the ground and connected to the driving unit.

[0020] Preferably, the height of the first support is greater than the height of the second support, and the height of the second support is greater than the height of the third support.

[0021] Preferably, the driving unit is a motor.

[0022] Preferably, a silo is provided below the roller screen body.

[0023] Preferably, the silo comprises:

[0024] The first warehouse is located below the end of the roller screen with a higher height value and is used to collect 0-5 mm steel slag;

[0025] The second warehouse is located below the middle of the roller screen body and is used to collect 5-10 mm steel slag;

[0026] The third warehouse is located below the lower end of the roller screen body and is used to collect steel slag larger than 10 mm.

[0027] Preferably, the first warehouse, the second warehouse and the third warehouse are separated by partition plates, and the height of the partition plates is lower than the height of the fan.

[0028] Preferably, a dust cover is provided on the roller screen body.

[0029] Beneficial effects of the utility model:

[0030] 1. The utility model provides a heater and a heating wire on the transmission shaft inside the roller screen body, thereby heating the steel slag inside the roller screen body, so that the steel slag powder attached to the wet steel slag particles falls off after drying, reducing the powder content of the steel slag particles, thereby greatly improving the screening quality of the steel slag.

[0031] 2. The utility model provides a fan next to the silo so that the powder attached to the slag particles is blown to the 0-5mm slag warehouse by the fan during the falling process, thereby further improving the product quality of the slag particles and the recovery rate of the slag powder.

[0032] 3. The utility model provides a silo under the roller screen body. After the slag is screened, it directly falls into the silo, eliminating the need for excessive belt transportation. This reduces the floor space occupied by slag production and saves construction and production costs of belt transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the whole of the utility model.

[0034] In the figure: 1. Base; 11. First support; 111. First bearing; 12. Second support; 121. Second bearing; 13. Third support; 2. Drive shaft; 3. Roller screen body; 31. Silo; 311. First warehouse; 312. Second warehouse; 313. Third warehouse; 32. Partition plate; 33. Dust cover; 4. Feed port; 5. Feed pipe; 6. Drive unit; 7. Heater; 8. Heating wire; 9. Fan. DETAILED DESCRIPTION

[0035] The following is a further description of the method of use of the present invention in conjunction with the accompanying drawings and specific implementation methods.

[0036] like Figure 1 As shown, a roller screen device for separating steel slag powder includes:

[0037] Base 1;

[0038] The transmission shaft 2 is tilted on the base 1;

[0039] A roller screen body 3 is coaxially sleeved on the transmission shaft 2, and the roller screen body 3 is used to screen steel slag particles of different diameters;

[0040] The feed port 4 is provided on the higher end of the roller screen body 3 through the feed pipe 5;

[0041] A driving unit 6 is connected to the lower end of the transmission shaft 2, and is used to drive the transmission shaft 2 to rotate and drive the roller screen body 3 to rotate and screen the steel slag;

[0042] Also includes:

[0043] A heating wire 8 is provided on the transmission shaft 2;

[0044] The fan 9 is installed on the ground and is located below the lower end of the transmission shaft 2. The fan 9 is used to blow the powder attached to the steel slag particles.

[0045] When the fan 9 is working, the wind force generated by the fan 9 needs to be controlled between blowing the steel slag powder and not blowing the steel slag particles. In addition, the closer the steel slag particles are to the fan 9, the larger the diameter is, and the farther the steel slag particles are from the fan 9, the smaller the diameter is.

[0046] The slag powder attached to the falling slag particles is separated by wind, which greatly improves the efficiency of slag screening.

[0047] The transmission shaft 2 is a hollow structure, and the heating wire 8 is located inside the transmission shaft 2. The transmission shaft 2 is provided with a heater 7, and the heater 7 is connected to the heating wire 8. The heater 7 generates heat in the heating wire 8, thereby heating the slag inside the roller screen body 3, further improving the efficiency of slag screening.

[0048] The base 1 comprises:

[0049] A first support 11 is provided on the ground and connected to one end of the transmission shaft 2 via a first bearing 111;

[0050] The second support 12 is provided on the ground and connected to the other end of the transmission shaft 2 via a second bearing 121;

[0051] The third support 13 is disposed on the ground and connected to the driving unit 6 .

[0052] The height of the first support 11 is greater than the height of the second support 12 , and the height of the second support 12 is greater than the height of the third support 13 .

[0053] The heights of the supports are different so that the heights of the two ends of the roller screen body 3 are different, thereby separating slag particles of different diameters.

[0054] The driving unit 6 is a motor that drives the entire roller screen body 3 to rotate.

[0055] A silo 31 is provided below the roller screen body 3 .

[0056] The silo 31 includes:

[0057] The first warehouse 311 is located below the higher end of the roller screen 3 and is used to collect 0-5 mm steel slag;

[0058] The second warehouse 312 is located below the middle of the roller screen body 3 and is used to collect 5-10 mm steel slag;

[0059] The third warehouse 313 is located below the lower end of the roller screen body 3 and is used to collect steel slag larger than 10 mm.

[0060] The first warehouse 311 , the second warehouse 312 and the third warehouse 313 are separated by partition plates 32 , respectively. The height of the partition plates 32 is lower than the height of the fan 9 .

[0061] According to the different sizes of the sieve holes on the roller screen body 3, the silo 31 below it should collect steel slag particles with different diameters.

[0062] The roller screen body 3 is provided with a dust cover 33 , which is a fully enclosed structure and made of steel plate.

[0063] Working process: First, before use, it is necessary to turn on the heater 7 and heat the heating wire 8. When the temperature inside the roller screen body 3 is stable at about 100°C, the steel slag that has been rod-milled and magnetically separated is put into the feed port 4. The steel slag enters the roller screen body 3 along the feed pipe 5, and then turn on the motor. The motor rotates to drive the transmission shaft 2 to rotate. When the transmission shaft 2 rotates, it will drive the roller screen body 3 to rotate. Under high-temperature and dry conditions, the steel slag powder is separated from the surface of the steel slag particles. The steel slag with a particle size of 0-5mm will fall into the first warehouse 311 after screening, the steel slag with a particle size of 5-10mm will fall into the second warehouse 312 after screening, and the steel slag with a particle size greater than 10mm will fall into the third warehouse 313 after screening.

[0064] At the same time, the fan 9 is turned on and the wind force of the fan 9 is controlled so that the fallen steel slag powder and the steel slag powder attached to the steel slag particles all enter the first warehouse 311, and the steel slag of other particle sizes enter the second warehouse 312 and the third warehouse 313 respectively. Some of them will be blown onto the wall of the first warehouse 311 and automatically fall into the first warehouse 311 after the screening is completed, thereby completing the thorough screening of steel slag of different particles.

[0065] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the 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 with equivalents. However, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A roller screen device for separating steel slag powder, comprising: Base (1); A transmission shaft (2) is arranged obliquely on the base (1); A roller screen body (3) is coaxially sleeved on the transmission shaft (2), and the roller screen body (3) is used to screen steel slag particles of different diameters; A feed port (4) is provided on a higher end of the roller screen body (3) through a feed pipe (5); A driving unit (6) is connected to the lower end of the transmission shaft (2), and the driving unit (6) is used to drive the transmission shaft (2) to rotate and drive the roller screen body (3) to rotate and screen the steel slag; It is characterized by further comprising: A heating wire (8) is provided on the transmission shaft (2); The fan (9) is installed on the ground and is located below the lower end of the transmission shaft (2). The fan (9) is used to blow the powder attached to the steel slag particles.

2. The roller screen device for separating steel slag powder according to claim 1, characterized in that: The transmission shaft (2) is a hollow structure, and the heating wire (8) is located inside the transmission shaft (2). A heater (7) is provided on the transmission shaft (2), and the heater (7) is connected to the heating wire (8).

3. The roller screen device for separating steel slag powder according to claim 1, characterized in that: The base (1) comprises: A first support (11) is provided on the ground and is connected to one end of the transmission shaft (2) via a first bearing (111); A second support (12) is provided on the ground and is connected to the other end of the transmission shaft (2) via a second bearing (121); The third support (13) is arranged on the ground and is connected to the driving unit (6).

4. The roller screen device for separating steel slag powder according to claim 3, characterized in that: The height of the first support (11) is greater than the height of the second support (12), and the height of the second support (12) is greater than the height of the third support (13).

5. The roller screen device for separating steel slag powder according to claim 1, characterized in that: The driving unit (6) is a motor.

6. The roller screen device for separating steel slag powder according to claim 1, characterized in that: A material bin (31) is provided below the roller screen body (3).

7. The roller screen device for separating steel slag powder according to claim 6, characterized in that: The silo (31) comprises: A first warehouse (311) is located below the higher end of the roller screen body (3) and is used to collect 0-5 mm steel slag; A second warehouse (312), located below the middle of the roller screen body (3), is used to collect 5-10 mm steel slag; The third warehouse (313) is located below the lower end of the roller screen body (3) and is used to collect steel slag larger than 10 mm.

8. The roller screen device for separating steel slag powder according to claim 7, characterized in that: The first warehouse (311), the second warehouse (312), and the third warehouse (313) are respectively separated by a partition plate (32), and the height of the partition plate (32) is lower than the height of the fan (9).

9. The roller screen device for separating steel slag powder according to claim 1, characterized in that: A dust cover (33) is provided on the roller screen body (3).

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