Activating and stirring equipment for fly ash

Abstract

The utility model relates to coal ash activation stirring equipment, and belongs to the technical field of stirring equipment. Comprising a stirring tank and a stirring barrel used for preliminarily mixing water and an activating agent, the bottom of the stirring tank is of a conical structure, an opening in the upper surface of the stirring tank is detachably buckled with a tank cover, a through groove is formed in the left side of the tank cover in a penetrating mode, a discharging hopper used for feeding coal ash is fixedly connected into the through groove, and a main stirring assembly is arranged in the stirring tank. Before the fly ash is activated and stirred, water and an activating agent are preliminarily stirred and mixed in the stirring barrel, so that the activating agent can be fully dissolved or dispersed in the water and is more uniformly distributed in the water, and the activating agent and the fly ash can be better reacted subsequently. By arranging the main stirring assembly, fly ash and a mixed solution (an activating agent and water) can be fully and uniformly stirred in the stirring tank, so that fly ash particles can better adsorb the activating agent.

Description

TECHNICAL FIELD

[0001] The utility model relates to stirring equipment technical field especially relates to a fly ash activation stirring equipment. BACKGROUND

[0002] After coal mine roadway exploitation, paste filling technology is often used to fill exploitation cavity to improve the safety and stability of mining working face. The technology uses fly ash based cementing material to make slurry on the ground, and then transports to the inside of mine through single pipeline system.

[0003] During slurry making, each component is measured according to specific formula through metering equipment, and then the quantitative fly ash, water and activator are added to the activation stirring equipment. These components are fully stirred in the equipment to form uniform slurry, and then the slurry is stored. During storage, in order to prevent slurry from settling, stirring is needed regularly to maintain the uniformity of slurry.

[0004] However, directly mixing fly ash, water and activator during stirring can not make the activator fully dissolved or dispersed, resulting in uneven distribution of activator in fly ash, thereby affecting the activation effect of fly ash. Secondly, the existing stirring structure has poor stirring effect, and the material is easy to adhere to the inner wall or bottom wall of the stirring tank, thereby causing the material to form accumulation, resulting in uneven stirring of the material in the stirring tank, further affecting the performance of the slurry and the filling quality. SUMMARY

[0005] To solve the above technical problems, the utility model provides a fly ash activation stirring equipment. The technical scheme of the utility model is as follows:

[0006] A fly ash activation stirring equipment, comprising a stirring tank and a stirring barrel for preliminarily mixing water and activator, the bottom of the stirring tank is a conical structure, the upper surface of the stirring tank is detachably buckled with a tank cover, a through groove is formed through the left side of the tank cover, a lower hopper for feeding fly ash is fixedly connected inside the through groove, a main stirring assembly is arranged inside the stirring tank, a spiral water outlet pipe is fixedly connected to the lower end of the tank cover, the water inlet end of the water outlet pipe extends above the tank cover through the top of the tank cover and is fixedly connected with a U-shaped pipe, a vertical pipe is connected to the end of the U-shaped pipe away from the water outlet pipe through a flange, a metering pump is fixedly connected to the lower end of the vertical pipe, the water inlet end of the metering pump is fixedly connected with the stirring barrel through a connecting pipe, the end of the connecting pipe away from the metering pump penetrates through the lower end of one side of the stirring barrel, a barrel cover is detachably buckled on the upper surface of the stirring barrel, a first feeding pipe for water injection is connected through the left side of the barrel cover, a second feeding pipe for activator feeding is connected through the right side of the barrel cover, and a vice stirring assembly is connected inside the stirring barrel.

[0007] The main stirring assembly comprises a motor I and a stirring shaft I fixedly connected to the center of the upper surface of the tank cover, the driving end of the motor I is rotatably penetrated through the bottom of the tank cover and fixedly connected with the stirring shaft I, a plurality of sets of shearing stirring pieces are symmetrically and fixedly arranged on the outer side of the stirring shaft I, and a wall scraping piece is fixedly connected to the outer side of the stirring shaft.

[0008] Optionally, the shearing stirring piece comprises two groups of C-shaped buckles I, the two groups of C-shaped buckles I are symmetrically buckled on the left and right sides of the stirring shaft and are fixed by bolts, the side away from the stirring shaft I of each of the two groups of C-shaped buckles I is fixedly connected with a sleeve, the inside of the sleeve is detachably connected with a fixed rod through a fixing bolt, the side away from the sleeve of the fixed rod is fixedly connected with an arc-shaped stirring blade, and the upper and lower sides of the arc-shaped stirring blade are sawtooth-shaped.

[0009] Optionally, a plurality of sets of through holes are symmetrically and penetratingly formed on the outer side of the sleeve, a plurality of sets of fixing holes are annularly and equidistantly formed on the outer side of the fixed rod, and the fixing bolt is penetratingly and threadedly connected in the fixing hole at the corresponding position.

[0010] Optionally, the wall scraping piece comprises two groups of C-shaped buckles II, the two groups of C-shaped buckles II are symmetrically buckled on the left and right sides of the upper end of the stirring shaft I and are fixed by bolts, the side away from the stirring shaft I of each of the two groups of C-shaped buckles II is fixedly connected with a side scraping plate which is in close contact with the inner wall of the stirring tank through a long connecting rod, two groups of C-shaped buckles III are symmetrically buckled on the left and right sides of the lower end of the stirring shaft I, the two groups of C-shaped buckles III are fixed by bolts, the side away from the stirring shaft I of each of the two groups of C-shaped buckles III is fixedly connected with a bottom scraping plate which is in close contact with the inner bottom wall of the stirring tank through a short connecting rod, and the end away from the short connecting rod of the bottom scraping plate is fixedly connected with the lower end of the side scraping plate.

[0011] Optionally, a discharge port is penetratingly formed at the center of the lower surface of the stirring tank, a discharge pipe is fixedly connected to the discharge port, a valve is fixedly connected to the discharge pipe, and a plurality of supporting legs are fixedly connected to the lower end of the stirring tank.

[0012] Optionally, a conical feeding bin is fixedly connected to the upper end opening of the feeding hopper, and a cover plate is hingedly connected to the upper end opening of the conical feeding bin.

[0013] Optionally, a plurality of spray heads are fixedly connected to the lower surface of the water outlet pipe, and the water outlet pipe is fixedly connected below the tank cover through a plurality of fixing frames.

[0014] Optionally, a sealing pipe cover is detachably connected to the upper end opening of each of the feeding pipe I and the feeding pipe II.

[0015] Optionally, the auxiliary stirring assembly comprises a motor two and a stirring shaft two, the motor two is fixedly connected at the center of the upper surface of the bucket cover, the driving end of the motor two extends to the inside of the stirring barrel through the bearing penetrating the bottom of the bucket cover and is fixedly connected with the stirring shaft two, and a plurality of groups of stirring blades are equidistantly arranged on the outer side of the stirring shaft two.

[0016] All the optional technical solutions described above can be combined arbitrarily, and the structures after combination will not be described in detail.

[0017] Through the above scheme, the beneficial effects of the present application are as follows:

[0018] 1. Before the fly ash is activated and stirred, the water and the activator are preliminarily stirred and mixed in the stirring barrel, so that the activator can be fully dissolved or dispersed in the water, and the activator can be more uniformly distributed in the water, which helps the activator and the fly ash to better react subsequently. Then the mixed solution of the activator and the water is injected into the stirring tank through the water outlet pipe, since the activator has been completely dissolved in the water, the mixed solution of the activator and the water can uniformly penetrate into the fly ash particles, avoiding the problem that the granular activator cannot effectively contact the fly ash, and further improving the activation effect of the fly ash.

[0019] 2. By arranging the main stirring assembly, the fly ash and the mixed solution (the activator and the water) can be fully and uniformly stirred in the stirring tank, so that the fly ash particles can better absorb the activator, greatly improving the stirring effect and ensuring the performance and quality of the filling slurry. The shearing stirring piece can fully shear and disperse the material, thereby accelerating the full reaction and activation of the fly ash and the mixed solution. The wall scraping piece can efficiently scrape off the material attached to the inner wall or bottom wall of the stirring tank during the stirring process, avoiding the accumulation and precipitation of the material, ensuring that the material in the stirring tank always flows uniformly, preventing the occurrence of stirring dead angles, and further improving the stirring effect.

[0020] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application and can be implemented according to the content of the specification, the following will be described in detail with the preferred embodiments of the present application and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The overall appearance structure diagram of the fly ash activation and stirring equipment provided by the present application is shown in the figure.

[0022] Figure 2 The front view cross-sectional view of the fly ash activation and stirring equipment provided by the present application is shown in the figure.

[0023] Figure 3 The exploded structure diagram of the fly ash activation and stirring equipment provided by the present application is shown in the figure.

[0024] Figure 4 Figure 2 is a structural schematic view of the cooperation of the tank cover, the main stirring assembly and the water outlet pipe in the utility model;

[0025] Figure 5 Figure 3 is an exploded structural schematic view of the cooperation of the tank cover, the lower hopper, the conical hopper and the water outlet pipe in the utility model;

[0026] Figure 6 Figure 4 is an exploded structural schematic view of the main stirring assembly in the utility model;

[0027] Figure 7 Figure 5 is an exploded structural schematic view of the shearing stirring part in the utility model;

[0028] Figure 8 Figure 6 is an exploded structural schematic view of the barrel cover and the auxiliary stirring assembly in the utility model.

[0029] Reference signs in the drawing: 1, stirring tank; 11, discharge port; 12, discharge pipe; 13, valve; 14, supporting leg; 2, tank cover; 21, through groove; 22, lower hopper; 23, conical hopper; 231, cover plate; 3, main stirring assembly; 31, motor one; 32, stirring shaft one; 33, shearing stirring part; 331, C-shaped buckle one; 332, sleeve; 3321, through hole; 333, fixing bolt; 334, fixing rod; 3341, fixing hole; 335, arc-shaped stirring blade; 34, wall scraping part; 341, C-shaped buckle two; 342, long connecting rod; 343, side scraping plate; 344, C-shaped buckle three; 345, short connecting rod; 346, bottom scraping plate; 4, water outlet pipe; 41, spray head; 42, U-shaped pipe; 43, fixing frame; 5, vertical pipe; 6, metering pump; 61, connecting pipe; 7, stirring barrel; 8, barrel cover; 81, feeding pipe one; 82, feeding pipe two; 83, sealing pipe cover; 9, auxiliary stirring assembly; 91, motor two; 92, stirring shaft two; 93, stirring blade. DETAILED DESCRIPTION

[0030] The specific embodiments of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0031] Please refer to Figures 1-8The utility model provides a kind of fly ash activation stirring equipment, including stirring tank 1 and be used to preliminarily mix water and activator's stirring bucket 7, the bottom of stirring tank 1 is conical structure, the upper surface opening of stirring tank 1 is detachably buckled with tank cover 2, tank cover 2 left side is penetrated and is set with through slot 21, through slot 21 inside is fixedly connected with the feeder 22 for input fly ash, the inside of stirring tank 1 is provided with main stirring assembly 3, the lower end of tank cover 2 is fixedly connected with helical water outlet pipe 4, the water inlet end of water outlet pipe 4 is extended to the upper of tank cover 2 and is fixedly connected with U-shaped tube 42 by penetrating the top of tank cover 2, the end of U-shaped tube 42 away from water outlet pipe 4 is connected with standpipe 5 by flange, the lower end of standpipe 5 is fixedly connected with metering pump 6, the water inlet end of metering pump 6 is fixedly connected with stirring bucket 7 by connecting pipe 61, the end of connecting pipe 61 away from metering pump 6 is penetrated one side lower end of stirring bucket 7, the upper surface opening of stirring bucket 7 is detachably buckled with bucket cover 8, the left side of bucket cover 8 is penetrated and is connected with the feed pipe one 81 for water injection, the right side of bucket cover 8 is penetrated and is connected with the feed pipe two 82 for input activator, the inside of stirring bucket 7 is connected with auxiliary stirring assembly 9.

[0032] The utility model is prior to fly ash activation stirring, first water and activator are preliminarily stirred and mixed in stirring bucket 7, can ensure that activator is fully dissolved or dispersed in water, makes it more evenly distributed in water, this is helpful to subsequent activator and fly ash and carries out better reaction. Then the mixed solution of activator and water is injected into stirring tank 1 by water outlet pipe 4, since activator has been completely dissolved in water, the mixed solution of activator and water can be evenly penetrated into fly ash particles, avoid the problem that granular activator cannot effectively contact fly ash, further improve the activation effect of fly ash.

[0033] By setting main stirring assembly 3, fly ash and mixed solution (activator and water) can be fully and evenly stirred in stirring tank 1, so that fly ash particles can better absorb activator, promote its full reaction with activator, greatly improve the stirring effect, and ensure the performance and quality of filling slurry.

[0034] Specifically, water outlet pipe 4 is helically arranged on the lower surface of tank cover 2, so that water can be evenly distributed in the entire stirring tank 1 along the path of the spiral pipe.

[0035] Working principle: when the fly ash is activated and stirred, first, a certain amount of activator and water are respectively put into the inside of the stirring barrel 7 from the second feeding pipe 82 and the first feeding pipe 81, then the auxiliary stirring assembly 9 is started to make them fully mixed to form a uniform mixture. Then the metering pump 6 is started to spray the mixed liquid (the mixture of water and activator) in the stirring barrel 7 through the vertical pipe 5, the U-shaped pipe 42 and the water outlet pipe 4 in the stirring tank 1. Then a certain amount of fly ash is put into the stirring tank 1 from the lower hopper 22, and at the same time the main stirring assembly 3 is started to fully stir the fly ash and the mixed liquid.

[0036] Further, the main stirring assembly 3 includes a motor one 31 fixedly connected to the center of the upper surface of the tank cover 2 and a stirring shaft one 32, the driving end of the motor one 31 is rotatably penetrated through the bottom of the tank cover 2 and is fixedly connected with the stirring shaft one 32, a plurality of sets of shearing stirring pieces 33 are equidistantly fixed to the outside of the stirring shaft one 32, and a wall scraping piece 34 is also fixedly connected to the outside of the stirring shaft one 32.

[0037] Specifically, when the fly ash and the mixed liquid are stirred, the motor one 31 drives the stirring shaft one 32 to rotate, the stirring shaft one 32 drives the plurality of sets of shearing stirring pieces 33 and the wall scraping piece 34 on the outside to rotate, the shearing stirring pieces 33 can fully shear and disperse the material, thereby accelerating the full reaction and activation of the fly ash and the mixed liquid. The wall scraping piece 34 can efficiently scrape off the material attached to the inner wall or bottom wall of the stirring tank 1 during stirring, avoid the accumulation and precipitation of the material, ensure that the material in the stirring tank 1 always keeps uniform flow, prevent the occurrence of stirring dead angle, and further improve the stirring effect.

[0038] Further, the shearing stirring piece 33 includes two sets of C-shaped buckles one 331, the two sets of C-shaped buckles one 331 are symmetrically buckled on the left and right sides of the stirring shaft one 32 and are fixed between them by bolts, a sleeve 332 is fixedly connected to the side away from the stirring shaft one 32 of each of the two sets of C-shaped buckles one 331, a fixed rod 334 is detachably connected to the inside of the sleeve 332 by a fixed bolt 333, and an arc-shaped stirring blade 335 is fixedly connected to the side away from the sleeve 332 of the fixed rod 334, the upper and lower sides of the arc-shaped stirring blade 335 are sawtooth-shaped.

[0039] Specifically, when the arc-shaped stirring blade 335 is damaged or worn and needs to be replaced, the operator only needs to detach the fixed bolt 333, separate the sleeve 332 from the fixed rod 334, and then easily replace the arc-shaped stirring blade 335. In addition, if the entire shearing stirring piece 33 needs to be detached or replaced, it is also very simple and fast, only need to detach the bolts used to fix the two sets of C-shaped buckles one 331, and then the entire shearing stirring piece 33 can be detached. The disassembly and assembly are simple and convenient, which greatly reduces the complexity and time cost of maintenance.

[0040] Specifically, the arc-shaped design of the arc-shaped blades can effectively guide the flow of fluid, forming a more uniform vortex, thereby reducing dead angles and promoting the flow and mixing of the slurry. By providing a larger contact area and stronger shear force through the arc-shaped surface, the material is better dispersed and homogenized during the stirring process. In addition, the serrated upper and lower edges of the arc-shaped stirring blades 335 can effectively shear, stir and disperse the material during the stirring process, ensuring the full reaction of fly ash and mixed liquid in the stirring tank 1, thereby achieving the purpose of improving the activation efficiency of fly ash.

[0041] Further, the outer side of the sleeve 332 is symmetrically provided with two groups of through holes 3321, and the outer side of the fixing rod 334 is annularly and equidistantly provided with a plurality of fixing holes 3341. The fixing bolts 333 pass through the through holes 3321 and are threadedly connected inside the fixing holes 3341 at the corresponding positions.

[0042] Specifically, the outer side of the fixing rod 334 is provided with a plurality of fixing holes 3341. During installation, the operator can flexibly adjust the inclination angle of the arc-shaped stirring blades 335 according to actual needs and stirring effect requirements, thereby optimizing the stirring effect. After the inclination angle of the arc-shaped stirring blades 335 is adjusted, the fixing bolts 333 are simply inserted through the through holes 3321 and screwed into the fixing holes 3341 at the corresponding positions, which is simple and convenient to operate.

[0043] Further, the wall scraping member 34 includes two groups of C-shaped buckles two 341, which are symmetrically buckled on the left and right sides of the upper end of the stirring shaft one 32, and are fixed by bolts between the two groups of C-shaped buckles two 341. The side scraping plates 343 that fit the inner wall of the stirring tank 1 are fixedly connected to the side of the two groups of C-shaped buckles two 341 away from the stirring shaft one 32 through the long connecting rods 342. Two groups of C-shaped buckles three 344 are symmetrically buckled on the left and right sides of the lower end of the stirring shaft one 32, and are fixed by bolts between the two groups of C-shaped buckles three 344. The bottom scraping plates 346 that fit the inner bottom wall of the stirring tank 1 are fixedly connected to the side of the two groups of C-shaped buckles three 344 away from the stirring shaft one 32 through the short connecting rods 345. The end of the bottom scraping plate 346 away from the short connecting rod 345 is fixedly connected to the lower end of the side scraping plate 343.

[0044] Specifically, when the stirring shaft one 32 drives the side scraping plate 343 and the bottom scraping plate 346 to rotate, the side scraping plate 343 can move along the inner wall of the stirring tank 1 and effectively scrape off the slurry attached to the inner wall, preventing the slurry from depositing or accumulating. At the same time, the bottom scraping plate 346 rotates along the inner bottom wall of the stirring tank 1, scraping off the slurry attached to the bottom wall. Thus, the slurry in the stirring tank 1 can be uniformly stirred, improving the stirring effect and avoiding the accumulation of slurry on the inner wall or the bottom wall.

[0045] Further, a discharge port 11 is formed through the center of the lower surface of the stirring tank 1, a discharge pipe 12 is fixedly connected to the discharge port 11, and a valve 13 is fixedly connected to the discharge pipe 12. A plurality of supporting legs 14 are fixedly connected to the lower end of the stirring tank 1.

[0046] Specifically, the discharge port 11 can ensure that the stirred slurry is smoothly discharged from the stirring tank 1. By opening and closing the valve 13, the flow rate of the slurry can be accurately adjusted.

[0047] Further, a conical discharge bin 23 is fixedly connected to the upper end opening of the discharge hopper 22, and a cover plate 231 is hingedly connected to the upper end opening of the conical discharge bin 23.

[0048] Specifically, when it is necessary to pour fly ash into the stirring tank 1, the operator only needs to easily open the cover plate 231, and then pour the fly ash into the stirring tank 1 along the conical discharge bin 23 and the discharge hopper 22. After pouring is completed, the cover plate 231 is refastened to effectively seal the opening of the stirring tank 1, thereby preventing the fly ash from flying and scattering during stirring.

[0049] Further, a plurality of spray heads 41 are fixedly connected to the lower surface of the water outlet pipe 4, and the water outlet pipe 4 is fixedly connected below the tank cover 2 by a plurality of fixing frames 43.

[0050] Specifically, the mixed liquid in the water outlet pipe 4 can be uniformly sprayed inside the stirring tank 1 through the spray heads 41, ensuring that the mixed liquid can uniformly cover the entire inside of the stirring tank 1.

[0051] Further, the upper end openings of the first feeding pipe 81 and the second feeding pipe 82 are detachably connected with a sealing pipe cover 83.

[0052] Specifically, the sealing pipe cover 83 seals the first feeding pipe 81 and the second feeding pipe 82, preventing foreign matter from entering the inside of the stirring barrel 7. When feeding is needed, the sealing pipe cover 83 can be removed.

[0053] Further, the auxiliary stirring assembly 9 includes a second motor 91 and a second stirring shaft 92. The second motor 91 is fixedly connected to the upper surface center of the barrel cover 8. The driving end of the second motor 91 extends to the inside of the stirring barrel 7 through the bottom of the barrel cover 8 via a bearing and is fixedly connected with the second stirring shaft 92. A plurality of stirring blades 93 are equidistantly fixed to the outer side of the second stirring shaft 92.

[0054] Specifically, the second motor 91 drives the plurality of stirring blades 93 to rotate through the second stirring shaft 92, thereby fully stirring the activator and water in the stirring barrel 7, so that they can be thoroughly mixed to form a uniform mixed liquid.

[0055] It should be noted that all the electrical devices mentioned above are in electrical connection with the general controller, and the general controller can be a computer, a PLC, or other conventional known devices with a control function.

[0056] The preferred embodiments of the present application are described above, and are not intended to limit the present application. It should be noted that, for those skilled in the art, without departing from the technical principles of the present application, some improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A fly ash activation mixing apparatus, characterized by: The utility model provides a mixing tank and stirring barrel (7) are used to mix water and activator initially, the bottom of stirring tank (1) is conical structure, the upper surface opening of stirring tank (1) can be detachably buckled with jar cover (2), the left side of jar cover (2) is passed through and is set up through groove (21), the inside fixedly connected with the lower hopper (22) for putting fly ash of through groove (21), the inside of stirring tank (1) is provided with main stirring subassembly (3), the lower end of jar cover (2) is fixedly connected with spiral water outlet pipe (4), the water inlet end of water outlet pipe (4) extends to the above of jar cover (2) through the top of jar cover (2) and is fixedly connected with U type pipe (42), the one end away from water outlet pipe (4) of U type pipe (42) is connected with standpipe (5) through flange, the lower end of standpipe (5) is fixedly connected with metering pump (6), the water inlet end of metering pump (6) is fixedly connected with stirring barrel (7) through connecting pipe (61), the one end away from metering pump (6) of connecting pipe (61) is passed through one side lower end of stirring barrel (7), the upper surface opening of stirring barrel (7) can be detachably buckled with barrel cover (8), the left side of barrel cover (8) is connected with the first feeding pipe (81) for pouring water through, the right side of barrel cover (8) is connected with the second feeding pipe (82) for putting activator through, the inside of stirring barrel (7) is connected with vice stirring subassembly (9); The main stirring subassembly (3) includes motor one (31) and stirring shaft one (32) fixedly connected on the upper surface center of jar cover (2), the driving end of motor one (31) is rotatably penetrated through the bottom of jar cover (2) and is fixedly connected with stirring shaft one (32), a plurality of sets of shearing stirring pieces (33) are equidistantly arranged on the outer side of stirring shaft one (32), and a wall scraping piece (34) is also fixedly connected to the outer side of stirring shaft one (32).

2. A fly ash activation mixing apparatus according to claim 1, wherein The shearing stirring piece (33) includes two groups of C-shaped buckles one (331), which are symmetrically buckled on the left and right sides of the stirring shaft one (32) and are fixed by bolts, and the two groups of C-shaped buckles one (331) are fixedly connected with sleeves (332) away from the stirring shaft one (32), the inside of the sleeve (332) is detachably connected with a fixed rod (334) through a fixed bolt (333), the side of the fixed rod (334) away from the sleeve (332) is fixedly connected with an arc-shaped stirring blade (335), and the upper and lower sides of the arc-shaped stirring blade (335) are sawtooth-shaped.

3. A fly ash activation mixing apparatus as claimed in claim 2, wherein, The outer side of the sleeve (332) is symmetrically provided with two groups of through holes (3321), the outer side of the fixed rod (334) is annularly and equidistantly provided with a plurality of fixed holes (3341), and the fixed bolt (333) penetrates the through hole (3321) and is screw-connected in the fixed hole (3341) at the corresponding position.

4. A fly ash activation and mixing apparatus as claimed in claim 1 or 3, wherein, The wall scraping part (34) comprises two groups of C-shaped buckles two (341), the two groups of C-shaped buckles two (341) are symmetrically buckled on the left and right sides of the upper end of the stirring shaft one (32), and the two groups of C-shaped buckles two (341) are fixed by bolts, and the side of the two groups of C-shaped buckles two (341) away from the stirring shaft one (32) is fixedly connected with the side scraper (343) fitted with the inner wall of the stirring tank (1) through the long connecting rod (342), the left and right sides of the lower end of the stirring shaft one (32) are symmetrically buckled with two groups of C-shaped buckles three (344), and the two groups of C-shaped buckles three (344) are fixed by bolts, and the side of the two groups of C-shaped buckles three (344) away from the stirring shaft one (32) is fixedly connected with the bottom scraper (346) fitted with the inner bottom wall of the stirring tank (1) through the short connecting rod (345), and the end of the bottom scraper (346) away from the short connecting rod (345) is fixedly connected with the lower end of the side scraper (343).

5. A fly ash activation mixing apparatus as claimed in claim 1, wherein, The lower surface of the stirring tank (1) is provided with a discharge port (11) at the center position, the discharge port (11) is fixedly connected with a discharge pipe (12), the discharge pipe (12) is fixedly connected with a valve (13), and the lower end of the stirring tank (1) is fixedly connected with a plurality of supporting legs (14).

6. A fly ash activation mixing apparatus as claimed in claim 1, wherein, The upper end opening of the lower hopper (22) is fixedly connected with a conical lower discharge bin (23), and the upper end opening of the conical lower discharge bin (23) is hingedly connected with a cover plate (231).

7. A fly ash activation mixing apparatus as claimed in claim 1, wherein, The lower surface of the water outlet pipe (4) is fixedly connected with a plurality of spray heads (41), and the water outlet pipe (4) is fixedly connected below the tank cover (2) by a plurality of fixing frames (43).

8. A fly ash activation mixing apparatus as claimed in claim 1, wherein, The upper end openings of the feeding pipe one (81) and the feeding pipe two (82) are detachably connected with sealing pipe covers (83).

9. A fly ash activation mixing apparatus as claimed in claim 1, wherein, The auxiliary stirring assembly (9) comprises a motor two (91) and a stirring shaft two (92), the motor two (91) is fixedly connected to the upper surface center of the barrel cover (8), the driving end of the motor two (91) extends to the inside of the stirring barrel (7) through the bottom of the barrel cover (8) through the bearing and is fixedly connected with the stirring shaft two (92), and a plurality of groups of stirring blades (93) are equidistantly arranged on the outer side of the stirring shaft two (92).

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