CN216499003U

CN216499003U - Fly ash stirring dust collector

Info

Publication number: CN216499003U
Application number: CN202123360510.4U
Authority: CN
Inventors: 冯勇; 杨国强; 陈凯; 宋卫春
Original assignee: Dongying Huasheng New Building Materials Technology Co ltd
Current assignee: Dongying Huasheng New Building Materials Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-13
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the field of pulverized coal stirring devices, in particular to a pulverized coal stirring and dust removing device which comprises a power distribution unit and a stirring and dust removing unit, wherein a plurality of stirring and dust removing units are arranged on the circumference of the outer edge of the power distribution unit, it is characterized in that each stirring and dust removing unit is provided with a hollow closed fly ash stirring barrel, the power distribution unit and the stirring and dust removing unit are matched to form a two-dimensional stirring and dust removing structure, the device is provided with a plurality of closed coal ash stirring barrels, can realize that a large amount of dust is not raised in the stirring process, and the dust generated in the stirring process is absorbed by the dust absorption motor and the dust absorption blade after the stirring is finished, the function of stirring dust removal can be realized, and the fly ash agitator is two-dimentional rotation stirring structure, can be abundant carry out intensive mixing with fly ash and other materials.

Description

Fly ash stirring dust collector

Technical Field

The utility model relates to the field of fly ash stirring devices, in particular to a fly ash stirring and dust removing device.

Background

Fly ash is fine ash collected from flue gas generated after coal combustion, and is main solid waste discharged from coal-fired power plants. In the process of processing the aerated concrete block, the fly ash can improve the working performance of the concrete, improve the durability of the concrete, improve the crack resistance of the concrete and improve the strength of the concrete, but a large amount of fly ash needs to be used, a fly ash activating agent needs to be added, the fly ash concrete is manually stirred, the labor is consumed, the labor intensity is increased, the stirring efficiency is low, a stirrer is generally used for stirring the fly ash and other materials in the market, on one hand, a common stirrer uses a stirring blade for stirring, a large stirring dead zone can occur in the stirrer, so that the fly ash and other materials cannot be fully mixed, on the other hand, a large amount of dust can be generated in the stirring process, and if the fly ash is not treated, large flying dust can be caused, and further air pollution can be caused.

For example, the application number is CN202021300396.9 discloses a fly ash stirring device for autoclaved bricks, which comprises a box body and a stirring unit; the middle part of the right side of the box body is provided with a fixed plate, the bottom of the left side of the box body is provided with a discharge port, the front end and the rear end of the inner side of the discharge port are both fixed with second fixed rods, one ends of the second fixed rods, which are close to each other, are provided with bearings, the front end and the rear end of the inner cavity of the box body are both fixed with first inclined plates, the side edges of the first inclined plates, which are close to each other, are both movably connected with movable plates, the bottom ends of the movable plates are mutually matched and clamped, the left side and the right side of the bottom ends of the movable plates are both provided with first supports, the front side and the rear side of the inner cavity of the box body are both provided with two second supports, the two second supports are respectively arranged corresponding to the front side and the rear side of the first support, the first supports and the second supports are movably connected through hydraulic push rods, the device mainly stirs through stirring rods, and is not sealed in the stirring process, so that large dust is easily caused, on the other hand, the base of the stirring rod is a dead zone for stirring, so that the fly ash and other materials cannot be stirred well.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fly ash stirring and dust removing device aiming at the defects in the prior art.

The technical scheme of the utility model is as follows:

the utility model provides a fly ash stirring dust collector, includes power distribution unit and stirring dust removal unit, the outward flange circumference of power distribution unit is provided with a plurality ofly stirring dust removal unit, every stirring dust removal unit all is provided with cavity confined fly ash agitator, power distribution unit and the cooperation of stirring dust removal unit constitute two-dimentional stirring dust removal structure.

Preferably, the power distribution unit comprises a base, a driving gear, a planetary gear and a fixed gear ring, a plurality of support frames are arranged on the circumference of the outer edge of the base, the driving gear is rotatably connected with the center of the base, the driving gear is a bevel gear and is meshed with the plurality of planetary gears which are also the bevel gear, each planetary gear is correspondingly arranged with the support frame, the middle part of each stirring and dust removing unit is rotatably connected with the corresponding support frame, the inner end of each stirring and dust removing unit is fixedly connected with the planetary gear, and the driving gear drives the planetary gear and the fly ash stirring barrel to form a one-dimensional rotating stirring structure.

Preferably, the stirring and dust removing unit comprises a connecting shaft, a rotating frame, a traveling gear, a driving belt pulley, a driving belt, a driven belt pulley and a fly ash stirring barrel, wherein the outer side surface of the supporting frame is provided with a fixed gear ring with an annular structure, the inner end of the connecting shaft is connected with the planetary gear fixedly connected with the middle part of the planetary gear fixedly connected with the fixed gear ring and is connected with the supporting frame in a rotating way, the outer end of the connecting shaft is connected with the rotating frame fixedly connected with the rotating frame, the rotating frame is connected with the traveling gear in a C-shaped frame structure and in an external rotating way, the traveling gear is connected with the fixed gear ring in a meshing way, the top of the traveling gear is fixedly connected with the driving belt pulley, the top side of the rotating frame is connected with the driven belt pulley, the driven belt pulley is connected with the driving belt pulley, the fly ash stirring barrel is connected with the gap of the rotating frame and the driven pulley fixedly connected with the upper part of the rotating frame, the fixed gear ring, the walking gear, the driving belt pulley, the driving belt, the driven belt pulley and the fly ash stirring barrel are matched to form a two-dimensional rotating stirring structure.

Preferably, the fly ash agitator includes agitator wall, central dirt tube, air filter, dust absorption motor, dust absorption cover shell and dust absorption blade, a plurality of air vents have been seted up for hollow barrel structure and upper portion to the agitator wall, the circumference interval is provided with a plurality of stirring leaves and air filter on the inner wall of agitator wall, central dirt tube is fixed in the dirt hole of crossing of a plurality of fretworks has been seted up at the center of agitator wall and upper portion, dust absorption motor fixed set up in bottom and drive in the central dirt tube the dust absorption blade rotates, agitator wall bottom with central dirt tube corresponds the department and is provided with the dust absorption cover shell, the dust absorption cover shell with central dirt tube intercommunication and lower part are provided with the dust removal hole, the dust removal hole can be dismantled with outside dust collecting pipe and be connected, agitator wall, air filter, central dirt tube, The dust collection motor, the dust collection blade and the dust collection casing are matched to form an active dust collection structure.

Preferably, the top of the stirring barrel wall is provided with a detachable top cover, the top cover is an annular plate-shaped structure with a hollow center, and the center of the top cover is in limited sliding connection with the central dust filtering pipe.

Preferably, a dust leakage valve is arranged in the dust collection casing, and the dust leakage valve divides the communicating space between the central dust filtering pipe and the dust collection casing into a movable closed space above and an open space below.

Compared with the prior art, the utility model has the following advantages:

this device is through setting up a plurality of confined fly ash agitator, can realize the in-process of stirring and not appear a large amount of raise dusts, and will stir the dust that the in-process produced through dust absorption motor and dust absorption blade after the stirring is accomplished and siphoned away, can realize stirring dust removal's function, and the fly ash agitator is two-dimentional rotation stirring structure, can be abundant carry out the intensive mixing with fly ash and other materials.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a fly ash mixing tank;

in the figure: 1-power distribution unit, 2-stirring dust-removing unit;

11-base, 111-support frame, 12-driving gear, 13-planetary gear, 14-fixed gear ring;

21-a connecting shaft, 22-a rotating frame, 23-a traveling gear, 24-a driving belt pulley, 25-a driving belt, 26-a driven belt pulley and 27-a fly ash stirring barrel;

271-stirring barrel wall, 2711-stirring blade, 2712-top cover, 272-central dust filtering pipe, 273-air filter screen, 274-dust suction motor, 275-dust suction casing, 2751-dust removal hole, 2752-dust leakage valve and 276-dust suction blade.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

Example one

Referring to fig. 1, the structure of the device for stirring and dedusting the fly ash is different from a common stirring structure, the device is a two-dimensional roller rotating stirring structure, the fly ash can be fully stirred, a stirring part is a closed structure, so that large dust raising cannot be generated, and a dust collection structure is arranged in the stirring part, so that dust generated in the stirring process can be sucked away.

The concrete structure includes power distribution unit 1 and stirring dust removal unit 2, and the outward flange circumference of power distribution unit 1 is provided with a plurality of stirring dust removal units 2, and every stirring dust removal unit 2 all is provided with cavity confined fly ash agitator 27, and power distribution unit 1 and stirring dust removal unit 2 cooperate and constitute two-dimentional stirring dust removal structure.

The power distribution unit 1 comprises a base 11, a driving gear 12, a planetary gear 13 and a fixed gear ring 14, a plurality of support frames 111 are arranged on the circumference of the outer edge of the base 11, the driving gear 12 is rotatably connected with the center of the base 11, the driving gear 12 is a bevel gear and is meshed with the plurality of planetary gears 13 which are also the bevel gear, each planetary gear 13 is correspondingly arranged with the support frame 111, the middle part of each stirring and dust removing unit 2 is rotatably connected with the corresponding support frame 111, the inner end of each stirring and dust removing unit is fixedly connected with the planetary gear 13, and the driving gear 12 drives the planetary gear 13 and the fly ash stirring barrel 27 to form a one-dimensional rotating and stirring structure.

This device is through setting up a plurality of confined fly ash agitator 27, can realize the in-process of stirring and not appear a large amount of raise dusts, and the dust that will stir the in-process production through dust absorption motor 274 and dust absorption blade 276 after the stirring is accomplished is siphoned away, can realize stirring dust removal's function, and fly ash agitator 27 is two-dimentional rotation stirring structure, can be abundant carry out the intensive mixing with fly ash and other materials.

Example two

Referring to fig. 1 and 2, the same as the first embodiment, except that the dust-mixing unit 2 includes a connecting shaft 21, a rotating frame 22, a traveling gear 23, a driving pulley 24, a driving belt 25, a driven pulley 26 and a fly ash mixing tank 27, a fixed toothed ring 14 with an annular structure is disposed on an outer side surface of the support frame 111, an inner end of the connecting shaft 21 is fixedly connected with the planetary gear 13, a middle portion of the connecting shaft passes through the fixed toothed ring 14 to be rotatably connected with the support frame 111, an outer end of the connecting shaft 21 is fixedly connected with the rotating frame 22, the rotating frame 22 is a C-shaped frame structure, an outer portion of the rotating frame 22 is rotatably connected with the traveling gear 23, the traveling gear 23 is engaged with the fixed toothed ring 14, a top portion of the traveling gear 23 is fixedly connected with the driving pulley 24, a top side of the rotating frame 22 is rotatably connected with the driven pulley 26, the driven pulley 26 is connected with the driving pulley 24 through the driving belt 25, the fly ash mixing tank 27 is rotatably connected to the notch of the rotating frame 22 and is fixedly connected with the driven pulley 26 above the rotating frame, and the fixed gear ring 14, the traveling gear 23, the driving pulley 24, the driving belt 25, the driven pulley 26 and the fly ash mixing tank 27 are matched to form a two-dimensional rotating mixing structure.

The stirring and mixing effect of the materials is poor only through the one-dimensional rotating stirring structure, and the two-dimensional rotating stirring structure is matched, so that the dead-angle-free stirring of the materials in the fly ash stirring barrel 271 can be realized, and the sufficient mixing of the materials can be realized.

EXAMPLE III

Referring to fig. 1 and fig. 2, the same as the second embodiment, except that the fly ash mixing tank 27 includes a mixing tank wall 271, a central dust filtering pipe 272, an air filter screen 273, a dust suction motor 274, a dust suction casing 275 and a dust suction blade 276, the mixing tank wall 271 is a hollow tank structure, the upper portion of the mixing tank wall 271 is provided with a plurality of ventilation holes, the inner wall of the mixing tank wall 271 is circumferentially provided with a plurality of mixing blades 2711 and air filter screens 273 at intervals, the central dust filtering pipe 272 is fixed at the center of the mixing tank wall 271, the upper portion of the mixing tank wall 271 is provided with a plurality of hollowed dust passing holes, the dust suction motor 274 is fixed at the bottom of the central dust filtering pipe 272 and drives the dust suction blade 276 to rotate, the bottom of the mixing tank wall 271 is provided with a dust suction casing 275 corresponding to the central dust filtering pipe 272, the dust suction casing 275 is communicated with the central dust filtering pipe 272 and the lower portion is provided with a dust removing hole 2751, the dust removing hole 2751 is detachably connected with an external dust collecting pipe, the mixing drum wall 271, the air screen 273, the central dust filtering pipe 272, the dust suction motor 274, the dust suction blade 276 and the dust suction casing 275 cooperate to form an active dust removing structure.

The top of agitator tank wall 271 is provided with detachable top cap 2712, and top cap 2712 is the annular platelike structure of centre fretwork, and the center of top cap 2712 and the spacing sliding connection of center dust filter 272.

A dust leakage valve 2752 is provided in the dust collection casing 275, and the dust leakage valve 2752 divides a communicating space between the central dust filter tube 272 and the dust collection casing 275 into an upper movable closed space and a lower open space.

The active dust removal is performed by driving a dust suction blade 276 by a dust suction motor 274 to suck dust, and since the stopped materials are deposited on the middle lower part of the fly ash stirring barrel 27 due to gravity, the dust-containing gas is on the upper part of the fly ash stirring barrel 27, and the negative pressure generated by the dust suction blade 276 sucks the dust-containing gas into the central dust filtering pipe 272 and discharges the dust-containing gas downwards, so that the dust removal function is realized.

The working principle is as follows:

1. before operation, an operator firstly resets the device to enable the top cover 2712 of the fly ash stirring barrel 27 to be at the highest position, then the operator lifts the top cover 2712, and injects fly ash and other components to be mixed into the fly ash stirring barrel 27, and it is noted that the filling volume of the materials should not exceed 2/3-4/5 of the volume of the fly ash stirring barrel 27.

2. An operator starts the device, the driving gear 12 rotates to drive the planetary gear 13 to rotate, and then the connecting shaft 21 and the rotating frame 22 are sequentially driven to rotate, because the fly ash stirring barrel 27 is arranged on the rotating frame 22, the fly ash stirring barrel 27 rotates in a one-dimensional mode by taking the connecting shaft 21 as a central shaft, and materials in the fly ash stirring barrel 27 are mixed in an upside-down mode.

3. What happens simultaneously with step 2 is that the rotating frame 22 rotates and simultaneously drives the traveling gear 23 to rotate in a meshing manner with the fixed gear ring 14, and then the driving belt pulley 24, the driven belt pulley 26 and the fly ash stirring barrel 27 are sequentially driven to rotate, the fly ash stirring barrel 27 rotates two-dimensionally by taking the vertical shaft of the fly ash stirring barrel 27 as a central axis, and the fly ash stirring barrel 27 is similar to a roller of a roller washing machine at the moment to stir and mix the materials inside.

4. After the stirring is completed, an operator resets the device, the device is kept still for a while until the materials sink to the middle lower part of the fly ash stirring barrel 27, an external dust collecting pipeline is connected with a dust removing hole 2751 at the bottom of the fly ash stirring barrel 27, then the dust leaking valve 2752 is operated to be opened, the dust suction motor 274 is started, the dust suction blade 276 rotates to generate downward suction force, external air enters the stirring barrel wall 271 through the air filter screen 273, dust-containing gas in the stirring barrel wall 271 is blown into the central dust filtering pipe 272, and the dust-containing gas is downwards all the way and finally guided into an external dust collecting pipeline through the dust removing hole 2751.

5. After the dust removal is finished, a container for containing materials is placed below the fly ash stirring barrel 27, and an operator operates and starts the driving gear 12 to enable the fly ash stirring barrel 27 to rotate slowly, so that the mixed materials are poured into the prepared container, and the stirring of the pulverized coal is completed.

Alternatively, the bottom of the fly ash mixing tank 27 is provided with a valve switch, which is opened by an operator, and the mixed material is introduced into the prepared container.

The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the contents of the changes still fall within the scope of the present invention.

Claims

1. The utility model provides a fly ash stirring dust collector, includes power distribution unit and stirring dust removal unit, the outward flange circumference of power distribution unit is provided with a plurality ofly stirring dust removal unit, its characterized in that, every stirring dust removal unit all is provided with cavity confined fly ash agitator, power distribution unit and the cooperation of stirring dust removal unit constitute two-dimentional stirring dust removal structure.

2. The fly ash stirring and dedusting device according to claim 1, which is characterized in that: the power distribution unit comprises a base, a driving gear, a planetary gear and a fixed gear ring, a plurality of support frames are arranged on the circumference of the outer edge of the base, the driving gear is rotatably connected with the center of the base, the driving gear is a bevel gear and is meshed with the plurality of planetary gears which are also the bevel gears, each planetary gear is correspondingly arranged with the support frame, the middle part of each stirring and dust removing unit is rotatably connected with the corresponding support frame, the inner end of each stirring and dust removing unit is fixedly connected with the planetary gear, and the driving gear drives the planetary gear and the fly ash stirring barrel to form a one-dimensional rotating and stirring structure.

3. The fly ash stirring and dedusting device as claimed in claim 2, wherein: the stirring and dust removing unit comprises a connecting shaft, a rotating frame, a traveling gear, a driving belt pulley, a driving belt, a driven belt pulley and a fly ash stirring barrel, wherein the outer side surface of the supporting frame is provided with a fixed gear ring with an annular structure, the inner end of the connecting shaft and the planetary gear are fixedly connected, the middle part of the connecting shaft penetrates through the fixed gear ring and is rotatably connected with the supporting frame, the outer end of the connecting shaft and the rotating frame are fixedly connected, the rotating frame is in a C-shaped frame structure and is rotatably connected with the traveling gear, the traveling gear is meshed with the fixed gear ring and is connected with the fixed gear ring, the top of the traveling gear and the driving belt pulley are fixedly connected, the top side of the rotating frame is rotatably connected with the driven belt pulley, the driven belt pulley is connected with the driving belt pulley through the driving belt, the fly ash stirring barrel is rotatably connected with the gap of the rotating frame and is fixedly connected with the driven belt pulley above the rotating frame, the fixed gear ring, the walking gear, the driving belt pulley, the driving belt, the driven belt pulley and the fly ash stirring barrel are matched to form a two-dimensional rotating stirring structure.

4. The fly ash stirring and dedusting device according to claim 3, which is characterized in that: the fly ash mixing tank comprises a mixing tank wall, a central dust filtering pipe, an air filter screen, a dust absorption motor, a dust absorption casing and a dust absorption blade, wherein a plurality of air holes are formed in the mixing tank wall for the hollow tank body structure and the upper part of the mixing tank wall, a plurality of stirring blades and the air filter screen are arranged on the inner wall of the mixing tank wall at intervals, the central dust filtering pipe is fixed on the dust passing hole with a plurality of hollowed parts formed in the center and the upper part of the mixing tank wall, the dust absorption motor is fixedly arranged at the bottom of the central dust filtering pipe and drives the dust absorption blade to rotate, the bottom of the mixing tank wall is provided with the dust absorption casing corresponding to the central dust filtering pipe, the dust absorption casing is communicated with the central dust filtering pipe, a dust removal hole is formed in the lower part of the dust absorption casing, the dust removal hole is detachably connected with an external dust collection pipeline, and the mixing tank wall, the air filter screen, the central dust filtering pipe, the dust absorption motor, The dust-absorbing blade and the dust-absorbing casing are matched to form an active dust-removing structure.

5. The fly ash stirring and dedusting device according to claim 4, wherein: the top of the stirring barrel wall is provided with a detachable top cover which is an annular plate-shaped structure with a hollow center, and the center of the top cover is in limited sliding connection with the central dust filtering pipe.

6. The fly ash stirring and dedusting device according to claim 4, wherein: and a dust leakage valve is arranged in the dust collection casing and divides the communicating space between the central dust filtering pipe and the dust collection casing into a movable closed space above and an open space below.