Three-stage cyclone activation device for muck micro-powder and use method of three-stage cyclone activation device

Abstract

The invention provides a three-stage cyclone activation device for muck micro powder. The three-stage cyclone activation device comprises a three-stage cyclone activation system and a fluidized bed drying and separating system. According to the three-stage cyclone activation device for the muck micro powder, activation of the muck micro powder is divided into three steps, namely mechanical activation, thermal activation and alkali excitation activation, and compared with a traditional activation mode, the three-stage cyclone activation device has the advantages of being high in spontaneity, high in efficiency and the like; in the fluidized bed, airflow suspends and dries micro-powder and separates the micro-powder through a cyclone separator, the two systems supplement each other, the automation degree is high in the operation process, manual intervention can be reduced, and compared with a traditional activation device, the device is simple in structure, convenient to maintain and low in fault occurrence rate, the maintenance cost is greatly reduced, and the service life of the device is prolonged. And through efficient separation and reaction, emission of waste gas and dust can be effectively reduced, and the method has a great beneficial effect on environmental protection.

Description

Technical Field

[0001] The present invention relates to the technical field of cyclone activation and excitation of micropowder materials, and in particular to a three-stage cyclone activation device for slag micropowder and a use method thereof. Background Art

[0002] With the rapid development of urbanization and industrialization, construction debris, which accounts for a large proportion of construction waste, faces problems such as difficulty in disposal and environmental pollution. How to efficiently utilize construction debris and make it a resource has become a hot topic that needs to be studied urgently.

[0003] However, due to the relatively simple nature of traditional activation equipment, it is impossible to maximize the utilization of slag resources. The cyclone activation technology has the problems of high energy consumption and low efficiency in the activation process.

[0004] Therefore, it is necessary to provide a three-stage cyclone activation device for slag micropowder and a method of use to solve the above technical problems. Summary of the Invention

[0005] The present invention provides a three-stage cyclone activation device for slag micropowder and a method for use thereof, which solves the problems that traditional activation equipment is relatively single, resulting in the inability to maximize the utilization of slag resources, and the cyclone activation excitation technology has high energy consumption and low efficiency in the activation process.

[0006] In order to solve the above technical problems, the present invention provides a three-stage cyclone activation device for slag micropowder, comprising: a three-stage cyclone activation system and a fluidized bed drying and separation system;

[0007] The three-stage cyclone activation system includes a primary cyclone cylinder, a cyclone preheating cylinder and a secondary cyclone cylinder, and the fluidized bed drying and separation system includes a fluidized bed dryer and a cyclone separation cylinder;

[0008] An air inlet 1 is provided at the top of one side of the first-stage cyclone, an air outlet 1 is provided in the middle of the top of the first-stage cyclone, a large particle solid collection chamber 1 is fixedly connected to the bottom of the first-stage cyclone, a collection chamber is provided at the bottom of the air inlet 1, and the collection chamber and the large particle solid collection chamber 1 are connected by a pipeline;

[0009] A resistance wire is provided inside the cyclone preheating cylinder, a second air inlet is provided at the top of one side of the outer surface of the cyclone preheating cylinder, a second air outlet is provided in the middle of the top of the cyclone preheating cylinder, and a second large particle solid collection chamber is provided at the bottom of the cyclone preheating cylinder, and the second large particle solid collection chamber is connected to the first large particle solid collection chamber through a pipeline;

[0010] An air inlet 3 is provided at the top of one side of the outer surface of the secondary cyclone, an air outlet 3 is provided in the middle of the top of the secondary cyclone, and a large particle solid collection chamber 3 is provided at the bottom of the secondary cyclone, and the large particle solid collection chamber 3 is connected to the large particle solid collection chamber 2 through a pipeline;

[0011] The fluidized bed dryer is provided with a heating plate inside, an air inlet four is provided at the top of one side of the outer surface of the fluidized bed dryer, an air outlet four is provided in the middle of the top of the fluidized bed dryer, and a large particle solid collection chamber four is provided at the bottom of the fluidized bed dryer, and the large particle solid collection chamber four is connected to the large particle solid collection chamber three through a pipeline;

[0012] An air inlet five is provided at the top of one side of the outer surface of the cyclone separation cylinder, an air outlet five is provided in the middle of the top of the cyclone separation cylinder, and a large particle solid collection chamber five is provided at the bottom of the cyclone separation cylinder.

[0013] Preferably, the air outlet one is connected to the air inlet two through a pipe, the air outlet two is connected to the air inlet three through a pipe, the air outlet three is connected to the air inlet four through a pipe, and the air outlet four is connected to the air inlet five through a pipe.

[0014] Preferably, the first-stage cyclone is a mechanical activator.

[0015] Preferably, the secondary cyclone is an alkali-excited reactor.

[0016] Preferably, filters are provided on the surfaces of the air outlets.

[0017] Preferably, a current controller is provided at the bottom of one side of the outer surface of the fluidized bed dryer.

[0018] Preferably, a fan is provided inside the air inlet 1.

[0019] Preferably, fixed plates are fixedly installed on both sides of the top of the cyclone separation cylinder, a horizontal plate is fixedly installed on the top of the fixed plate, a driving member is fixedly installed in the middle of the top of the horizontal plate, the bottom end of the output shaft of the driving member is fixedly connected to a driving gear, and extrusion protrusions are fixedly installed around the outer surface of the pipe of the air outlet five.

[0020] Preferably, a driven gear is rotatably mounted in the middle of the top of the cyclone separation cylinder, a communicating hole is opened in the middle of the top of the driven gear, and an elastic plate is provided on one side of the inner wall surface of the communicating hole.

[0021] A method for using a three-stage cyclone activation device for slag fine powder is provided, wherein the three-stage cyclone activation device for slag fine powder is used, and the three-stage cyclone activation device for slag fine powder is used in the following steps, including the following steps:

[0022] S1: Unactivated micro powder enters the first-stage cyclone from the air inlet for mechanical activation. After the reaction is completed, the fine particles are discharged from the air outlet and enter the cyclone preheating cylinder. The large particles enter the large particle solid collection chamber 1. The large particles in the large particle solid collection chamber 1 enter the aggregate chamber.

[0023] S2: The mechanically activated micropowder enters the cyclone preheating cylinder, where heat is generated by the resistance wire, and the slag micropowder is thermally activated. The resistance wire heating can reach the required heat in a short time. The activated slag micropowder fine particles are discharged from the second air outlet and enter the secondary cyclone. The activated slag micropowder large particles enter the large particle solid collection chamber 2. The large particle solid collection chamber 2 is connected to the large particle solid collection chamber 1. The large particles in the large particle solid collection chamber 2 enter the large particle solid collection chamber 1.

[0024] S3: The thermally activated micropowder enters the gas outlet three for alkaline activation. The activated slag micropowder fine particles are discharged from the gas outlet three and enter the fluidized bed dryer. The activated slag micropowder large particles enter the large particle solid collection chamber three. The large particle solid collection chamber three is connected to the large particle solid collection chamber two. The activated slag micropowder large particles in the large particle solid collection chamber three enter the large particle solid collection chamber two.

[0025] S4: The fluidized bed dryer is equipped with a heating plate. The powder activated by alkali excitation enters the air outlet three for drying. The fine particles of the dried slag powder are discharged from the air outlet four. The large particles of the dried slag powder enter the large particle solid collection chamber four. The large particle solid collection chamber four is connected to the large particle solid collection chamber three. The large particles of the dried slag powder in the large particle solid collection chamber four enter the large particle solid collection chamber three.

[0026] S5: The dried slag powder enters the cyclone separation cylinder from the air inlet five, the fine particles of the dried slag powder are discharged from the air outlet five and collected, and the large particles of the dried slag powder enter the large particle solid collection chamber five and are collected.

[0027] Compared with related technologies, the three-stage cyclone activation device for slag fine powder provided by the present invention has the following beneficial effects:

[0028] The present invention provides a three-stage cyclone activation device for slag micropowder. By utilizing a three-stage cyclone system, the activation of slag micropowder is divided into three steps, namely mechanical activation, thermal activation and alkali excitation activation. Compared with traditional activation methods, this device has the advantages of high spontaneity and high efficiency. In the fluidized bed, the air flow suspends and dries the micropowder, and the powder is separated by a cyclone separator. The two systems complement each other, and the degree of automation is high during operation, which can reduce manual intervention. Compared with traditional activation devices, the device has a simple structure, easy maintenance, and a low failure rate, which greatly reduces maintenance costs. Through efficient separation and reaction, it can effectively reduce waste gas and dust emissions, which has a great beneficial effect on environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic structural diagram of a first embodiment of a three-stage cyclone activation device for slag fine powder provided by the present invention;

[0030] Figure 2 Schematic diagram of the internal structure of the three-stage cyclone activation system of the present invention;

[0031] Figure 3 Schematic diagram of the internal structure of the fluidized bed drying and separation system of the present invention;

[0032] Figure 4 A schematic structural diagram of a second embodiment of a three-stage cyclone activation device for soil fine powder provided by the present invention;

[0033] Figure 5 for Figure 4 An enlarged schematic diagram of point A is shown.

[0034] Numbers in the figure: 1, first-stage cyclone, 2, cyclone preheating tube, 3, second-stage cyclone, 4, fluidized bed dryer, 5, cyclone separation tube, 6, air inlet 1, 7, air outlet 1, 8, large particle solid collection chamber 1, 9, air inlet 2, 10, air outlet 2, 11, cylinder, 12, large particle solid collection chamber 2, 13, air inlet 3, 14, air outlet 3, 15, large particle solid collection chamber 3, 16, air inlet Port four, 17, air outlet four, 19, large particle solid collection chamber four, 20, current controller, 21, air inlet five, 22, air outlet five, 23, large particle solid collection chamber five, 24, aggregate chamber, 25, resistance wire, 26, heating plate, 30, fixed plate, 31, horizontal plate, 32, driving part, 33, driving gear, 34, extrusion bump, 35, driven gear, 36, connecting hole, 37, elastic plate. DETAILED DESCRIPTION

[0035] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0036] First embodiment

[0037] Please refer to Figure 1 、 Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a first embodiment of a three-stage cyclone activation device for slag fine powder provided by the present invention; Figure 2 Schematic diagram of the internal structure of the three-stage cyclone activation system of the present invention; Figure 3 The internal structure diagram of the fluidized bed drying and separation system of the present invention is as follows: A three-stage cyclone activation device for slag micropowder, comprising: a three-stage cyclone activation system and a fluidized bed drying and separation system;

[0038] The three-stage cyclone activation system includes a primary cyclone drum 1, a cyclone preheating drum 2 and a secondary cyclone drum 3, and the fluidized bed drying and separation system includes a fluidized bed dryer 4 and a cyclone separation drum 5;

[0039] An air inlet 6 is provided at the top of one side of the first-stage cyclone 1, an air outlet 7 is provided in the middle of the top of the first-stage cyclone 1, a large particle solid collection chamber 8 is fixedly connected to the bottom of the first-stage cyclone 1, and a collection chamber 24 is provided at the bottom of the air inlet 6. The collection chamber 24 and the large particle solid collection chamber 8 are connected by a pipeline;

[0040] A resistance wire 25 is provided inside the cyclone preheating cylinder 2, an air inlet 2 9 is provided at the top of one side of the outer surface of the cyclone preheating cylinder 2, an air outlet 2 10 is provided in the middle of the top of the cyclone preheating cylinder 2, and a large particle solid collection chamber 2 12 is provided at the bottom of the cyclone preheating cylinder 2, and the large particle solid collection chamber 2 12 is connected to the large particle solid collection chamber 1 8 through a pipeline;

[0041] An air inlet 3 13 is provided at the top of one side of the outer surface of the secondary cyclone 3, an air outlet 3 14 is provided in the middle of the top of the secondary cyclone 3, and a large particle solid collection chamber 3 15 is provided at the bottom of the secondary cyclone 3. The large particle solid collection chamber 3 15 is connected to the large particle solid collection chamber 2 12 through a pipeline;

[0042] A heating plate 26 is provided inside the fluidized bed dryer 4, an air inlet 16 is provided at the top of one side of the outer surface of the fluidized bed dryer 4, an air outlet 17 is provided in the middle of the top of the fluidized bed dryer 4, and a large particle solid collection chamber 19 is provided at the bottom of the fluidized bed dryer 4. The large particle solid collection chamber 19 is connected to the large particle solid collection chamber 15 via a pipeline.

[0043] An air inlet 5 21 is provided at the top of one side of the outer surface of the cyclone separation cylinder 5 , an air outlet 5 22 is provided in the middle of the top of the cyclone separation cylinder 5 , and a large particle solid collection chamber 5 23 is provided at the bottom of the cyclone separation cylinder 5 .

[0044] The air outlet 1 7 is connected to the air inlet 2 9 through a pipe, the air outlet 2 10 is connected to the air inlet 3 13 through a pipe, the air outlet 3 14 is connected to the air inlet 4 16 through a pipe, and the air outlet 4 17 is connected to the air inlet 5 21 through a pipe.

[0045] The first-stage cyclone 1 is a mechanical activator.

[0046] The secondary cyclone 3 is an alkali excitation reactor.

[0047] Filters are provided on the surfaces of the air outlets.

[0048] A current controller 20 is provided at the bottom of one side of the outer surface of the fluidized bed dryer 4 .

[0049] A fan is provided inside the air inlet 1 6 .

[0050] The first-stage cyclone 1 , the cyclone preheating tube 2 and the second-stage cyclone 3 have the same structure, and all include a cylindrical portion 11 and a conical portion. The cylindrical portion 11 is provided with a top, and the conical portion is provided with a bottom of the cylindrical portion 11 .

[0051] The working principle of the three-stage cyclone activation device for slag micropowder provided by the present invention is as follows:

[0052] During operation, unactivated micro powder first enters the primary cyclone 1 from the air inlet 6 for mechanical activation. After the reaction is completed, the fine particles are discharged from the air outlet 7 and enter the cyclone preheating cylinder 2, and the large particles enter the large particle solid collection chamber 8. The large particles in the large particle solid collection chamber 8 enter the collection chamber 24.

[0053] The mechanically activated fine powder enters the cyclone preheating cylinder 2, where heat is generated by the resistance wire 25, and the slag fine powder is thermally activated. The heat generated by the resistance wire 25 can reach the required heat in a short time. The fine particles of the activated slag fine powder are discharged from the second air outlet 10 and enter the secondary cyclone 3. The large particles of the activated slag fine powder enter the large particle solid collection chamber 2 12. The large particle solid collection chamber 2 12 is connected to the large particle solid collection chamber 1 8. The large particles in the large particle solid collection chamber 2 12 enter the large particle solid collection chamber 1 8.

[0054] The thermally activated micropowder enters the gas outlet 3 14 for alkaline activation. The activated slag micropowder fine particles are discharged from the gas outlet 3 14 and enter the fluidized bed dryer 4. The activated slag micropowder large particles enter the large particle solid collection chamber 3 15. The large particle solid collection chamber 3 15 is connected to the large particle solid collection chamber 2 12. The activated slag micropowder large particles in the large particle solid collection chamber 3 15 enter the large particle solid collection chamber 2 12.

[0055] The fluidized bed dryer 4 is provided with a heating plate 26. The powder activated by alkali excitation enters the air outlet 3 14 for drying. The fine particles of the dried slag powder are discharged from the air outlet 4 17. The large particles of the dried slag powder enter the large particle solid collection chamber 4 19. The large particle solid collection chamber 4 19 is connected to the large particle solid collection chamber 3 15. The large particles of the dried slag powder in the large particle solid collection chamber 4 19 enter the large particle solid collection chamber 3 15.

[0056] The dried slag powder enters the cyclone separation drum 5 from the air inlet 5 21 , the fine particles of the dried slag powder are discharged from the air outlet 5 22 and collected, and the large particles of the dried slag powder enter the large particle solid collection chamber 5 23 and are collected.

[0057] Compared with related technologies, the three-stage cyclone activation device for slag fine powder provided by the present invention has the following beneficial effects:

[0058] The present invention provides a three-stage cyclone activation device for slag micropowder. By utilizing a three-stage cyclone system, the activation of slag micropowder is divided into three steps, namely mechanical activation, thermal activation and alkali excitation activation. Compared with traditional activation methods, this device has the advantages of high spontaneity and high efficiency. In the fluidized bed, the air flow suspends and dries the micropowder, and the powder is separated by a cyclone separator. The two systems complement each other, and the degree of automation is high during operation, which can reduce manual intervention. Compared with traditional activation devices, the device has a simple structure, easy maintenance, and a low failure rate, which greatly reduces maintenance costs. Through efficient separation and reaction, it can effectively reduce waste gas and dust emissions, which has a great beneficial effect on environmental protection.

[0059] Second embodiment

[0060] Please refer to Figure 4 and Figure 5 Based on the three-stage cyclone activation device for soil slag powder provided in the first embodiment of this application, the second embodiment of this application provides another three-stage cyclone activation device for soil slag powder. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0061] Specifically, the difference of the three-stage cyclone activation device for slag fine powder provided in the second embodiment of the present application is that, in a three-stage cyclone activation device for slag fine powder and a method of use, fixed plates 30 are fixedly installed on both sides of the top of the cyclone separation cylinder 5, a cross plate 31 is fixedly installed on the top of the fixed plate 30, a driving member 32 is fixedly installed in the middle of the top of the cross plate 31, the bottom end of the output shaft of the driving member 32 is fixedly connected to a driving gear 33, and extrusion protrusions 34 are fixedly installed around the outer surface of the pipe of the air outlet five 22.

[0062] A driven gear 35 is rotatably mounted in the middle of the top of the cyclone separation cylinder 5 . A communication hole 36 is opened in the middle of the top of the driven gear 35 . An elastic plate 37 is provided on one side of the inner wall surface of the communication hole 36 .

[0063] The air outlet 1 7 , the air outlet 2 10 , the air outlet 3 14 , the air outlet 4 17 and the air outlet 5 22 are all assembled and drained through pipes, and a filter plate is installed at the bottom of the pipe to filter particulate matter.

[0064] The elastic plate 37 adopts a spring plate structure. When the elastic plate 37 is attached to the surface of the pipe, it is slightly deformed and has an extrusion force on the pipe. The deformation effect of the elastic plate 37 becomes stronger with the extrusion of the extrusion protrusion 34. When the extrusion protrusion 34 does not affect the elastic plate 37, the restoring elastic force of the elastic plate 37 hits the surface of the pipe.

[0065] The driving member 32 is a servo motor device.

[0066] The working principle of the three-stage cyclone activation device for slag micropowder provided by the present invention is as follows:

[0067] During operation, first, the output shaft of the driving member 32 rotates to drive the driving gear 33 to rotate, and the driving gear 33 rotates to engage the driven gear 35 to rotate, and the driven gear 35 rotates to drive the elastic plate 37 to rotate. The elastic plate 37 is affected by the extrusion protrusion 34 and deforms. When the elastic plate 37 rotates and is free from the extrusion influence of the extrusion protrusion 34, the elastic plate 37 recovers its deformation, and the elastic plate 37 hits the surface of the pipe connected to the air outlet, causing the pipe to vibrate, and shaking off the particles accumulated on the surface of the filter plate.

[0068] Compared with related technologies, the three-stage cyclone activation device for slag fine powder provided by the present invention has the following beneficial effects:

[0069] The present invention provides a three-stage cyclone activation device for slag micropowder, in which the output shaft of the driving member 32 drives the driving gear 33 to rotate and engage the driven gear 35. The rotation of the driven gear 35 drives the elastic plate 37 to rotate. The elastic plate 37 is squeezed and deformed by the squeezing protrusion 34, and then recovers its deformation when it is no longer squeezed by the squeezing protrusion 34. The elastic plate 37 hits the surface of the pipe at the air outlet to generate vibration, which shakes off the particles blocked on the surface of the filter plate at the bottom of the pipe, avoids the particles from clogging the filter plate, and maintains the air outlet efficiency of the air outlet.

[0070] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A three-stage cyclone activation device for slag powder, characterized in that: include: Three-stage cyclone activation system and fluidized bed drying and separation system; The three-stage cyclone activation system includes a primary cyclone cylinder, a cyclone preheating cylinder and a secondary cyclone cylinder, and the fluidized bed drying and separation system includes a fluidized bed dryer and a cyclone separation cylinder; An air inlet 1 is provided at the top of one side of the first-stage cyclone, an air outlet 1 is provided in the middle of the top of the first-stage cyclone, a large particle solid collection chamber 1 is fixedly connected to the bottom of the first-stage cyclone, a collection chamber is provided at the bottom of the air inlet 1, and the collection chamber and the large particle solid collection chamber 1 are connected by a pipeline; A resistance wire is provided inside the cyclone preheating cylinder, a second air inlet is provided at the top of one side of the outer surface of the cyclone preheating cylinder, a second air outlet is provided in the middle of the top of the cyclone preheating cylinder, and a second large particle solid collection chamber is provided at the bottom of the cyclone preheating cylinder, and the second large particle solid collection chamber is connected to the first large particle solid collection chamber through a pipeline; An air inlet 3 is provided at the top of one side of the outer surface of the secondary cyclone, an air outlet 3 is provided in the middle of the top of the secondary cyclone, and a large particle solid collection chamber 3 is provided at the bottom of the secondary cyclone, and the large particle solid collection chamber 3 is connected to the large particle solid collection chamber 2 through a pipeline; The fluidized bed dryer is provided with a heating plate inside, an air inlet four is provided at the top of one side of the outer surface of the fluidized bed dryer, an air outlet four is provided in the middle of the top of the fluidized bed dryer, and a large particle solid collection chamber four is provided at the bottom of the fluidized bed dryer, and the large particle solid collection chamber four is connected to the large particle solid collection chamber three through a pipeline; An air inlet five is provided at the top of one side of the outer surface of the cyclone separation cylinder, an air outlet five is provided in the middle of the top of the cyclone separation cylinder, and a large particle solid collection chamber five is provided at the bottom of the cyclone separation cylinder.

2. The three-stage cyclone activation device for slag fine powder according to claim 1 is characterized in that: The air outlet 1 is connected to the air inlet 2 through a pipe, the air outlet 2 is connected to the air inlet 3 through a pipe, the air outlet 3 is connected to the air inlet 4 through a pipe, and the air outlet 4 is connected to the air inlet 5 through a pipe.

3. The three-stage cyclone activation device for soil fine powder according to claim 1, characterized in that: The first-stage cyclone is a mechanical activator.

4. The three-stage cyclone activation device for slag fine powder according to claim 1 is characterized in that: The secondary cyclone is an alkali-excited reactor.

5. The three-stage cyclone activation device for slag fine powder according to claim 1 is characterized in that: Filters are provided on the surfaces of the air outlets.

6. The three-stage cyclone activation device for slag fine powder according to claim 1, characterized in that: A current controller is provided at the bottom of one side of the outer surface of the fluidized bed dryer.

7. The three-stage cyclone activation device for soil fine powder according to claim 1, characterized in that: A fan is provided inside the air inlet 1.

8. The three-stage cyclone activation device for soil fine powder according to claim 1, characterized in that: Fixed plates are fixedly installed on both sides of the top of the cyclone separation cylinder, a horizontal plate is fixedly installed on the top of the fixed plate, a driving member is fixedly installed in the middle of the top of the horizontal plate, the bottom end of the output shaft of the driving member is fixedly connected to a driving gear, and extrusion protrusions are fixedly installed around the outer surface of the pipe of the air outlet five.

9. The three-stage cyclone activation device for soil fine powder according to claim 1, characterized in that: A driven gear is rotatably mounted in the middle of the top of the cyclone separation cylinder. A communicating hole is opened in the middle of the top of the driven gear. An elastic plate is provided on one side of the inner wall surface of the communicating hole.

10. A method for using a three-stage cyclone activation device for slag fine powder, which is used for the three-stage cyclone activation device for slag fine powder according to any one of claims 1 to 7. The three-stage cyclone activation device for slag fine powder is used in the following steps, characterized in that: The following steps are involved: S1: Unactivated micro powder enters the first-stage cyclone from the air inlet for mechanical activation. After the reaction is completed, the fine particles are discharged from the air outlet and enter the cyclone preheating cylinder. The large particles enter the large particle solid collection chamber 1. The large particles in the large particle solid collection chamber 1 enter the aggregate chamber. S2: The mechanically activated micropowder enters the cyclone preheating cylinder, where heat is generated by the resistance wire, and the slag micropowder is thermally activated. The resistance wire heating can reach the required heat in a short time. The activated slag micropowder fine particles are discharged from the second air outlet and enter the secondary cyclone. The activated slag micropowder large particles enter the large particle solid collection chamber 2. The large particle solid collection chamber 2 is connected to the large particle solid collection chamber 1. The large particles in the large particle solid collection chamber 2 enter the large particle solid collection chamber 1. S3: The thermally activated micropowder enters the gas outlet three for alkaline activation. The activated slag micropowder fine particles are discharged from the gas outlet three and enter the fluidized bed dryer. The activated slag micropowder large particles enter the large particle solid collection chamber three. The large particle solid collection chamber three is connected to the large particle solid collection chamber two. The activated slag micropowder large particles in the large particle solid collection chamber three enter the large particle solid collection chamber two. S4: The fluidized bed dryer is equipped with a heating plate. The powder activated by alkali excitation enters the air outlet three for drying. The fine particles of the dried slag powder are discharged from the air outlet four. The large particles of the dried slag powder enter the large particle solid collection chamber four. The large particle solid collection chamber four is connected to the large particle solid collection chamber three. The large particles of the dried slag powder in the large particle solid collection chamber four enter the large particle solid collection chamber three. S5: The dried slag powder enters the cyclone separation cylinder from the air inlet five, the fine particles of the dried slag powder are discharged from the air outlet five and collected, and the large particles of the dried slag powder enter the large particle solid collection chamber five and are collected.

Images