CN218857327U

CN218857327U - Stirring and mixing device for solid desulfurizing agent-cement raw powder

Info

Publication number: CN218857327U
Application number: CN202223310565.9U
Authority: CN
Inventors: 郝园园; 曾志宇
Original assignee: Luoyang Musen New Material Co ltd
Current assignee: Luoyang Musen New Material Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-14
Anticipated expiration: 2032-12-09

Abstract

A stirring and mixing device of solid desulfurizer-cement raw powder comprises a mixing bin, a mixing device and a premixing device arranged above the mixing device, wherein the mixing device comprises a plurality of rotary mixing rods and a first motor; the pre-mixing device comprises a blanking conical groove arranged in the middle of the mixing bin along the circumferential direction, two inclined material dispersing pipes rotationally arranged above the blanking conical groove and a second motor for driving the inclined material dispersing pipes to rotate; one inclined material dispersing pipe is used for introducing the solid desulfurizing agent into the mixing bin, and the other inclined material dispersing pipe is used for introducing the cement raw powder into the mixing bin; the two inclined bulk material pipes are respectively sleeved with a driven gear, the output shaft of the second motor is sleeved with a driving gear meshed with the driven gear, and the driving gear rotates and drives the two inclined bulk material pipes to synchronously rotate so that the bulk material ranges of the two inclined bulk material pipes can be covered on the feed opening in the middle of the feed conical groove. The utility model discloses can reduce the time of stirring solid-state desulfurizer of mixing and cement fecula.

Description

Stirring and mixing device for solid desulfurizing agent-cement raw powder

Technical Field

The utility model relates to a stirring mixer technical equipment field, specific solid-state desulfurizer-cement raw meal's stirring mixer that says so.

Background

In some cement plants, solid desulfurizing agents are mixed with cement raw meal to shorten the setting time of cement and increase the strength of cement when used. Use general agitator to stir solid-state desulfurizer and cement raw meal mixing, this kind of general agitator includes the blending bunker usually and rotates the stirring vane who sets up in the blending bunker, and a feed inlet has been seted up at the blending bunker top. When the solid desulfurizer and the cement raw powder are poured into the mixing bin through one feeding hole for stirring and mixing, the solid desulfurizer and the cement raw powder poured into the mixing bin can be stacked and not layered, so that the stirring blade needs to rotate for a long time to stir and mix the solid desulfurizer and the cement raw powder, and the time for stirring and mixing the solid desulfurizer and the cement raw powder is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a solid-state desulfurizer-cement raw meal's stirring blending machine can reduce the time of stirring mixing solid-state desulfurizer and cement raw meal.

In order to solve the technical problem, the utility model discloses a concrete scheme be a solid-state desulfurizer-cement raw meal's stirring blending machine: the mixing device comprises a mixing bin and a mixing device arranged in the mixing bin, wherein the mixing device comprises a plurality of rotary mixing rods rotatably arranged in the mixing bin, a first motor for driving the rotary mixing rods to rotate for mixing, and a premixing device arranged above the rotary mixing rods;

the premix device comprises a blanking conical groove arranged in the middle of the mixing bin along the circumferential direction, two inclined material dispersing pipes arranged above the blanking conical groove in a rotating mode and a second motor used for driving the inclined material dispersing pipes to rotate; one inclined material dispersing pipe is used for introducing the solid desulfurizer into the mixing bin, and the other inclined material dispersing pipe is used for introducing the cement raw powder into the mixing bin; two slope bulk cargo pipes all overlap and are equipped with driven gear, the cover be equipped with on the output shaft of second motor with driven gear meshing complex driving gear, the driving gear rotates and drives two slope bulk cargo pipes and rotate in step to make the bulk cargo scope of two slope bulk cargo pipes all cover the feed opening that sets up in the middle part of the lower material conical channel.

As the utility model relates to a further optimization of solid-state desulfurizer-cement raw meal's stirring blending machine: the feed bin bottom is provided with conical feed bin down, and the feed bin bottom is provided with the mounting panel with the junction of feed bin down, and the mounting panel is rectangular shape, and the both ends of mounting panel respectively with correspond side feed bin inner wall welded fastening, the both sides of mounting panel form the passageway that supplies solid-state desulfurizer and cement after the mixing to fall to feed bin down with cement raw meal.

As the utility model relates to a further optimization of solid-state desulfurizer-cement raw meal's stirring blender: the number of the rotary mixing rods is one, and a thrust bearing for the lower end of the rotary mixing rod to be in running fit is arranged on the mounting plate.

As the utility model relates to a further optimization of solid-state desulfurizer-cement raw meal's stirring blending machine: a fixed plate is arranged in the feed opening in the middle of the feed conical groove, the fixed plate is in a long strip shape, two ends of the fixed plate are welded and fixed with the feed conical groove on the corresponding side, and channels for solid desulfurizer and cement raw powder to fall onto the rotary mixing rod are formed on two sides of the fixed plate; the fixed plate is provided with a first bearing for the upper end of the rotary mixing rod to be in running fit with the fixed plate.

As the utility model relates to a further optimization of solid-state desulfurizer-cement raw meal's stirring blender: the number of the rotary mixing rods is two, and the rotary mixing rods are respectively positioned on two sides of the blanking cone groove; a second bearing for the rotary material mixing rod to pass through and rotate is arranged on the blanking conical groove; the mounting plate is provided with thrust bearings for rotating the two corresponding rotary mixing rods.

As the utility model relates to a further optimization of solid-state desulfurizer-cement raw meal's stirring blending machine: the rotary mixing rods comprise rotating shafts and stirring blades arranged on the rotating shafts at intervals, and the stirring blades on the two rotary mixing rods are arranged in a staggered mode.

As the utility model relates to a further optimization of solid-state desulfurizer-cement raw meal's stirring blender: an inclined material dispersing pipe used for conveying the solid desulfurizer in the mixing bunker is rotatably connected with a solid desulfurizer conveying pipeline, and an inclined material dispersing pipe used for conveying the cement raw powder is rotatably connected with a cement raw powder conveying pipeline.

As the utility model relates to a further optimization of solid-state desulfurizer-cement raw meal's stirring blender: a fixing frame for installing and fixing the second motor is arranged in the mixing bin.

Advantageous effects

The utility model provides a premix device sets up in the top of slope bulk cargo pipe, and solid-state desulfurizer and cement raw meal are respectively through slope bulk cargo pipe input blending bunker in. The inclined material dispersing pipe rotates synchronously for 360 degrees under the driving of the second motor, and the solid desulfurizing agent or cement raw powder is dispersed to the lower discharging conical groove along with the rotation of the corresponding inclined material dispersing pipe. The solid desulfurizer and the cement raw powder are overlapped layer by layer on the blanking cone groove to realize the uniform mixing pretreatment, and the solid desulfurizer and the cement raw powder overlapped layer by layer fall onto the rotary mixing rod from the blanking port and are stirred and uniformly mixed again through the rotary mixing rod. Compared with the prior art, the method can shorten the time for uniformly mixing the solid desulfurizing agent and the cement raw powder, and can improve the uniform mixing effect of the solid desulfurizing agent and the cement raw powder.

Drawings

Fig. 1 is a schematic front view of a tilted dispersion pipe in an initial state in embodiment 1;

FIG. 2 is a schematic front view of the inclined dispersion tube in embodiment 1;

FIG. 3 is a schematic front view showing the initial state of the inclined bulk cargo pipe in example 2;

reference numerals: 1. mixing bunker, 2,

premix device

2, 21, fixed plate, 22, unloading taper groove, 23, slope bulk material pipe, 24, driven gear, 25, solid-state desulfurizer pipeline, 26, driving gear, 27, second motor, 28, cement raw meal pipeline, 29, feed opening, 3, rotatory mixing pole, 31, pivot, 32, stirring paddle leaf, 4, unloading storehouse, 5, mounting panel.

Detailed Description

The present invention is illustrated in detail by the following two examples:

example 1

As shown in fig. 1 and fig. 2, the utility model discloses a solid desulfurizer-cement raw meal stirring mixer, which comprises a mixing bunker 1, a mixing device arranged at the lower part of the mixing bunker 1 and a premixing device 2 arranged above the mixing device.

Two round holes are arranged at the top of the mixing bunker 1, a solid desulfurizer conveying pipeline 25 for conveying solid desulfurizer is arranged in the round hole at the left side in a penetrating manner, and a cement raw powder conveying pipeline 28 for conveying cement raw powder is arranged in the round hole at the right side in a penetrating manner. Feed bin 4 is provided with down in the bottom of blending bunker 1, and feed bin 4 is the toper, and the bottom of feed bin 4's expansion end welded connection blending bunker 1 down, and the bin outlet of feed bin 4's tip for supplying the solid-state desulfurizer and the cement raw meal discharge blending bunker 1 of stirring mixing.

The premix device 2 is used for the pretreatment of stirring and mixing the solid desulfurizer and the cement raw powder. The premix device 2 comprises a feeding conical groove 22 arranged in the middle of the mixing bunker 1 along the circumferential direction, two inclined dispersion pipes 23 rotatably arranged above the feeding conical groove 22, and a second motor 27 for driving the inclined dispersion pipes 23 to rotate.

The inclined material dispersing pipes 23 on the left side are rotatably connected with the solid desulfurizing agent conveying pipelines 25 on the corresponding side through rotating connecting pieces, the inclined material dispersing pipes 23 on the right side are rotatably connected with the cement raw powder conveying pipelines 28 on the corresponding side through rotating connecting pieces, and driven gears 24 are sleeved on the two inclined material dispersing pipes 23.

A fixing frame for installing and fixing a second motor 27 is fixed between the two inclined material dispersing pipes 23 at the top of the mixing material bin 1. The second motor 27 is fixed on the fixing frame, and the output shaft of the second motor 27 is sleeved with a driving gear 27 respectively engaged with the driven gears 24 on the two sides, the driving gear 27 rotates and drives the two inclined material dispersing pipes 23 to synchronously rotate, so that the material dispersing ranges of the two inclined material dispersing pipes 23 all cover the material outlet 29 arranged in the middle of the material discharging conical groove 22. Therefore, the solid desulfurizing agent and the cement raw powder are overlapped on the discharging conical groove 22 layer by layer, the pre-dispersing material mixing treatment of the solid desulfurizing agent and the cement raw powder is realized, the effect of mixing and stirring the solid desulfurizing agent and the cement raw powder is improved, and the time of mixing and stirring the solid desulfurizing agent and the cement raw powder by a mixing device below can be further saved.

The lower extreme of the middle part of unloading awl groove 22 is feed opening 29, is provided with rectangular shape fixed plate 21 in the feed opening 29, and the left and right both ends of fixed plate 21 respectively with the corresponding side unloading awl groove 22 welded connection, form between the preceding, rear side of fixed plate 21 and unloading awl groove 22 and supply solid-state desulfurizer and the cement unburnt wheat that stacks layer upon layer to fall the passageway on the mixing device.

The junction of 1 bottom of blending bunker and feed bin 4 is provided with rectangular shape mounting panel 5, and welded fastening is on the left and right inner wall of blending bunker 1 respectively at the left and right both ends of mounting panel 5. A channel is formed between the front side and the rear side of the mounting plate 5 and the mixing bin 1, so that the solid desulfurizer and the cement raw powder which are uniformly mixed and stirred fall into the discharging bin 4 to be discharged.

The blending device comprises a rotary blending rod 3 rotatably arranged on a mounting plate 5 at the bottom of the blending silo 1 and a first motor (not shown in the figure) for driving the rotary blending rod 3 to rotate for blending. The rotating mixing rod 3 comprises a rotating shaft 31 and a stirring blade 32, the rotating shaft 31 is arranged under the feed opening 29 in the vertical direction, the stirring blade 32 is arranged on the rotating shaft 31, a first bearing for enabling the upper end of the rotating shaft 31 to penetrate through and be in rotary fit is arranged on the fixing plate 21, and a thrust bearing for enabling the lower end of the rotating shaft 31 to penetrate through and be in rotary fit is arranged on the mounting plate 5. When the solid desulfurizing agent and the cement raw meal which are preliminarily mixed on the feeding cone groove 22 fall onto the stirring paddle 32 from the feeding hole 29 under the push of the subsequent solid desulfurizing agent and the cement raw meal. The rotary mixing rod 3 is driven by the first motor to rotate, and the rotating stirring paddle 32 can uniformly stir the solid desulfurizer falling from the feed opening 29 and the cement raw powder.

The specific implementation of this example is as follows: first, the two inclined scattering pipes 23 are in the state shown in fig. 1. Then, after the solid desulfurizing agent and the cement raw meal are respectively introduced into the inclined material dispersing pipes 23 at the corresponding positions, the first motor and the second motor 27 are started, the two inclined material dispersing pipes 23 are driven by the second motor 27 to rotate, and the solid desulfurizing agent and the cement raw meal in the inclined material dispersing pipes 23 are dispersed onto the discharging conical groove 22 along with the rotation of the inclined material dispersing pipes 23. The solid desulfurizing agent and the cement raw powder stacked layer upon layer fall onto the stirring blade 32 from the feed opening 29 under the push of the subsequent solid desulfurizing agent and the cement raw powder. At this time, the solid desulfurizing agent and the cement raw meal falling onto the stirring blade 32 are uniformly dispersed into the mixing bin 1 along with the rotation of the stirring blade 32, and are uniformly stirred and mixed. And discharging the uniformly stirred solid desulfurizer and the cement raw powder from a discharge port through a mounting plate 5.

Example 2

This embodiment is similar to embodiment 1 in overall structure, and its main difference lies in: as shown in fig. 3, the number of the rotary mixing rods 3 is two, and the two rotary mixing rods 3 are respectively disposed at both sides of the discharging cone groove 22. And the stirring blades 32 on the two rotating shafts 31 are arranged in a staggered manner to increase the effect of uniformly stirring the solid desulfurizer and the cement raw powder. The blanking cone groove 22 is provided with a second bearing for the upper end of the rotating shaft 31 to pass through and be in rotating fit, and the mounting plate 5 is provided with two thrust bearings for the lower end of the rotating shaft 31 to pass through and be in rotating fit. The fixed plate 21 is not arranged in the feed opening 29 of the feed cone groove 22, so that the fixed desulfurizer and the cement raw meal on the feed cone groove 22 directly fall onto the stirring blade 32 below from the feed opening 29.

Claims

1. The utility model provides a solid-state desulfurizer-cement raw meal's stirring blending machine, includes blending bunker (1) and the mixing device of setting in blending bunker (1), and the mixing device is including rotating a plurality of rotatory thoughtlessly expecting pole (3) that set up in blending bunker (1) and being used for driving rotatory thoughtlessly expecting pole (3) to rotate the first motor of compounding, its characterized in that: the premix device (2) is arranged above the rotary mixing rod (3);

the premix device (2) comprises a feeding conical groove (22) arranged in the middle of the mixing bin (1) along the circumferential direction, two inclined material dispersing pipes (23) rotatably arranged above the feeding conical groove (22) and a second motor (27) for driving the inclined material dispersing pipes (23) to rotate; one inclined material dispersing pipe (23) is used for introducing the solid desulfurizer into the mixing bin (1), and the other inclined material dispersing pipe (23) is used for introducing the cement raw powder into the mixing bin (1); two slope bulk cargo pipes (23) all overlap and are equipped with driven gear (24), the cover is equipped with on the output shaft of second motor (27) with driven gear (24) meshing complex driving gear (26), driving gear (26) rotate and drive two slope bulk cargo pipes (23) synchronous rotation to make the bulk cargo scope of two slope bulk cargo pipes (23) all cover and set up in feed opening (29) at unloading taper groove (22) middle part.

2. The stirring and mixing device of the solid desulfurizing agent-cement raw meal as claimed in claim 1, characterized in that: the bottom of the mixing bunker (1) is provided with a conical lower bunker (4), the joint of the bottom of the mixing bunker (1) and the lower bunker (4) is provided with a mounting plate (5), the mounting plate (5) is in a long strip shape, the two ends of the mounting plate (5) are respectively welded and fixed with the inner walls of the mixing bunkers (1) on the corresponding sides, and the two sides of the mounting plate (5) form a channel for the solid desulfurizer and the cement raw powder after mixing to fall to the lower bunker (4).

3. The stirring and mixing device of the solid desulfurizing agent-cement raw meal as claimed in claim 2, characterized in that: the number of the rotary mixing rods (3) is one, and a thrust bearing for the lower end of each rotary mixing rod (3) to be in running fit is arranged on the mounting plate (5).

4. The stirring and mixing device of the solid desulfurizing agent-cement raw meal as claimed in claim 3, characterized in that: a fixing plate (21) is arranged in a feed opening (29) in the middle of the feed conical groove (22), the fixing plate (21) is long-strip-shaped, two ends of the fixing plate (21) are welded and fixed with the feed conical grooves (22) on the corresponding sides, and channels for solid desulfurizer and cement raw meal to fall onto the rotary mixing rod (3) are formed on two sides of the fixing plate (21); the fixed plate (21) is provided with a first bearing for the upper end of the rotary mixing rod (3) to be in running fit.

5. The stirring and mixing device of the solid desulfurizing agent-cement raw meal as claimed in claim 2, characterized in that: the number of the rotary mixing rods (3) is two, and the rotary mixing rods (3) are respectively positioned on two sides of the blanking cone groove (22); a second bearing for the rotary mixing rod (3) to pass through and rotate is arranged on the blanking cone groove (22);

the mounting plate (5) is provided with thrust bearings for rotating the two corresponding rotary mixing rods (3).

6. The stirring and mixing device of the solid desulfurizing agent-cement raw meal as claimed in claim 5, characterized in that: the rotary mixing rods (3) comprise rotating shafts (31) and stirring blades (32) which are arranged on the rotating shafts (31) at intervals, and the stirring blades (32) on the two rotary mixing rods (3) are arranged in a staggered mode.

7. The stirring and mixing device of the solid desulfurizing agent-cement raw meal as claimed in claim 1, characterized in that: an inclined material dispersing pipe (23) used for conveying the solid desulfurizer in the mixing bunker (1) is rotatably connected with a solid desulfurizer conveying pipeline (25), and an inclined material dispersing pipe (23) used for conveying the cement raw powder is rotatably connected with a cement raw powder conveying pipeline (28).

8. The stirring and mixing device of the solid desulfurizing agent-cement raw meal as claimed in claim 1, characterized in that: a fixing frame for installing and fixing a second motor (27) is arranged in the mixing material bin (1).