CN213223260U - Fly ash particle size grading plant - Google Patents

Abstract

The utility model relates to a hierarchical technical field is gathered to fly ash, and a fly ash particle size grading plant is disclosed, including the flying dust runner pipe, the outside fixed mounting of flying dust runner pipe has two hierarchical casees, evenly distributed's fine coal whereabouts hole is seted up to the inboard of hierarchical case, the inside to the flying dust runner pipe is seted up to one side that the hierarchical case was kept away from in the fine coal whereabouts hole. The utility model discloses a, make hierarchical case and flying dust runner pipe be linked together through fine coal dropping hole, when the high temperature flying dust air current passes through the flying dust runner pipe, two sets of shielding plates can be graded the flying dust granule of equidimension diameter not, clean scraper blade clears up the adnexed flying dust of shielding plate, the clean ability of device has been increased, and then make two hierarchical cases carry out accurate stable grading to the flying dust of different diameters, finally make the device reach can be fast and the efficient carry out hierarchical recovery processing's to fly ash mesh, and have clean ability to remaining coal ash in the hierarchical pipeline.

Description

Fly ash particle size grading plant

Technical Field

The utility model relates to a hierarchical technical field is gathered to fly ash, specifically is a fly ash particle size grading plant.

Background

The fly ash or the fly ash is also called fly ash or fly ash, is tiny ash particles discharged in a coal combustion process, the particle size of the tiny ash particles is generally 1-100 mu m, the fly ash contains various useful substances, such as carbon powder, micro glass beads, high-alumina powder and the like, the effective collection and separation of the substances can greatly improve the economic value of the fly ash (for example, the fly ash can be used as a main component for preparing a substrate), the direct discharge has certain harm to the environment, in the process of discharging the fly ash, the fly ash is easy to remain in a pipeline and is difficult to clean, if the fly ash is subjected to classification treatment, the utilization value of the fly ash can be greatly improved, waste is changed into valuable, and a fly ash particle size classification device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fly ash particle size grading plant, can be fast and the efficient carries out hierarchical recovery processing to fly ash, and has clean ability to remaining coal ash in the grading pipeline, has solved coal fired power plant's discharge solid waste and has certain harm to the environment, and the in-process fly ash that discharges fly ash is easily remained in the pipeline and is difficult to the problem of clearance.

(II) technical scheme

In order to realize that above-mentioned can be fast and the efficient carries out hierarchical recovery processing to fly ash, and have the purpose of clean ability to remaining coal ash in the hierarchical pipeline, the utility model provides a following technical scheme: a fly ash particle size grading device comprises a fly ash circulating pipe, two grading boxes are fixedly arranged outside the fly ash circulating pipe, the inner side of the grading box is provided with uniformly distributed pulverized coal dropping holes, one side of each pulverized coal dropping hole, which is far away from the grading box, is arranged inside the fly ash circulating pipe, the fly ash circulating pipe is communicated with the inside of the grading box through a pulverized coal dropping hole, two groups of baffle plates which are arranged at equal intervals are fixedly connected inside the fly ash circulating pipe, the pulverized coal falling hole is positioned between two adjacent baffle plates, the top of the fly ash circulating pipe is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotating rod which is rotatably connected to the inner sides of the two grading boxes, two rotating gears are fixedly connected to the outer part of the rotating rod and are positioned above the inner parts of the two grading boxes;

the inside of flying dust runner pipe rotates and is connected with two change rings, two the outside of change ring extends to the inside of two hierarchical casees respectively, the outside fixedly connected with of change ring rotates the ring gear, two the top of rotating the ring gear respectively with two rotating gear meshing, two the inboard top of change ring and the equal fixedly connected with connecting rod in bottom, adjacent two the equal fixedly connected with equidistance of one side of the back of the body of connecting rod is arranged cleans the scraper blade, clean the right side and the shielding plate contact of scraper blade, the bottom fixed mounting of hierarchical case has the storage case.

Preferably, the left side and the right side of the classification box are respectively embedded with an oil seal, and the inner rings of the oil seals are fixedly connected to the outer part of the rotating rod.

Preferably, a support box is fixedly installed on the top of the fly ash circulation pipe, and the motor is fixedly installed inside the support box.

Preferably, the classification box comprises a connecting box, the connecting box is fixedly installed outside the fly ash circulation pipe, the bottom of the connecting box is fixedly connected with a blanking box, and the storage box is fixedly installed at the bottom of the blanking box and communicated with the blanking box.

Preferably, the inside fixedly connected with axial fan and the ventilative filter of storage case, the ventilative filter is located axial fan's top.

Preferably, each group of the shielding plates is composed of three shielding plates which are arranged at equal intervals, and the shielding plates are inclined rightwards.

Preferably, the front section of the cleaning scraper is inclined, one side of the cleaning scraper close to the fly ash circulation pipe is fixedly connected with an ash scraping block, and the ash scraping block is in contact with the fly ash circulation pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a fly ash particle size grading plant possesses following beneficial effect:

1. the fly ash particle size grading device is characterized in that two grading boxes are arranged outside a fly ash circulating pipe, the two grading boxes are communicated with the fly ash circulating pipe through pulverized coal falling holes uniformly formed in the fly ash circulating pipe, when high-temperature fly ash airflow passes through the fly ash circulating pipe, fly ash particles with larger diameters can be directly attached to shielding plates, two groups of shielding plates can grade the fly ash particles with different diameters, a rotating ring can be driven by a rotating gear when a motor operates to drive a rotating rod to rotate, a cleaning scraper is further driven to clean the fly ash attached to the shielding plates, the cleaning capability of the device is increased, and finally the fly ash falling holes are discharged into a storage box from the grading boxes, so that the two grading boxes can accurately and stably grade the fly ash with different diameters, and finally the device can achieve the purpose of quickly and efficiently grading and recovering the fly ash, and the residual coal ash in the grading pipeline has cleaning capability, so that the practicability of the device is improved.

2. According to the coal ash particle size grading device, the oil seals are embedded in the left side and the right side of the grading box, so that the coal ash is not easy to leak from the joint of the grading box and the rotating rod, the corrosion of the coal ash to the device is reduced, the sealing performance of the oil seals is good, and the sealing performance of the device is improved.

3. According to the fly ash particle size grading device, the support box is fixedly arranged at the top of the fly ash circulating pipe, so that the motor runs relatively stably, and the stability of the device is improved.

4. This fly ash particle size grading plant includes connecting box and feed box through setting up the classification case, and the connecting box can wrap up the flying dust runner pipe, makes in fly ash can pass through the fine coal whereabouts hole by the flying dust runner pipe and gets into the connecting box, then gets into the storage incasement by the feed box, has further promoted the ability that the device was collected fly ash.

5. This fly ash particle size grading plant, through the inside fixedly connected with axial fan and the ventilative filter at the storage case, the axial fan in the storage case adsorbs the fly ash of classifying case, and makes fly ash in the fly ash circulation pipe can stabilize and get into the classifying case by fine coal whereabouts hole, and in getting into the storage case, finally makes the storage case can stably collect fly ash, and the ventilative filter can play and filters and the ventilation action, and then has increased the practicality of device.

6. According to the coal ash particle size grading device, the baffle plate is composed of three baffle plates which are arranged equidistantly, so that the baffle plates can stably shield and grade coal ash, the baffle plates are inclined to relatively stably shield the coal ash, and the stability of the device is improved.

7. This fly ash particle size grading plant is the slope form through the front-view cross-section at clean scraper blade, can stably clean adnexed fly ash in the shielding plate when rotating, scrapes the ash piece and can strike off fly ash runner pipe inner wall, and then makes the intraductal adnexed fly ash of fly ash runner scrape the classification incasement through the fine coal hole by scraping the ash piece, has increased the clean ability of device.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a side sectional view of the connection structure of the fly ash runner pipe and the pulverized coal dropping hole of the present invention.

In the figure: 1. a fly ash circulation pipe; 2. a grading box; 201. a connecting box; 202. a blanking box; 3. a pulverized coal dropping hole; 4. a shielding plate; 5. an electric motor; 6. rotating the rod; 7. a rotating gear; 8. a rotating ring; 9. rotating the toothed ring; 10. a connecting rod; 11. a cleaning blade; 12. a material storage box; 13. a support box; 14. an axial flow fan; 15. a ventilation filter plate; 16. and (5) scraping ash blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a fly ash particle size grading device comprises a fly ash circulation pipe 1, two grading boxes 2 are fixedly installed outside the fly ash circulation pipe 1, pulverized coal dropping holes 3 which are uniformly distributed are formed in the inner sides of the grading boxes 2, one side, away from the grading boxes 2, of each pulverized coal dropping hole 3 is formed in the fly ash circulation pipe 1, the fly ash circulation pipe 1 is communicated with the inner parts of the grading boxes 2 through the pulverized coal dropping holes 3, two groups of shielding plates 4 which are arranged equidistantly are fixedly connected in the fly ash circulation pipe 1, the pulverized coal dropping holes 3 are located between every two adjacent shielding plates 4, a motor 5 is fixedly connected to the top of the fly ash circulation pipe 1, an output shaft of the motor 5 is fixedly connected with a rotating rod 6, the rotating rod 6 is rotatably connected to the inner sides of the two grading boxes 2, two rotating gears 7 are fixedly connected to the outer parts of the rotating rod 6, and the two rotating gears 7;

two rotating rings 8 are rotatably connected inside the fly ash circulating pipe 1, the outer parts of the two rotating rings 8 respectively extend into the two grading boxes 2, rotating toothed rings 9 are fixedly connected outside the rotating rings 8, the top parts of the two rotating toothed rings 9 are respectively meshed with two rotating gears 7, connecting rods 10 are fixedly connected at the top parts and the bottom parts of the inner sides of the two rotating rings 8, cleaning scrapers 11 which are arranged equidistantly are fixedly connected at the opposite sides of the two adjacent connecting rods 10, the right sides of the cleaning scrapers 11 are in contact with a shielding plate 4, a storage box 12 is fixedly arranged at the bottom part of each grading box 2, two grading boxes 2 are arranged outside the fly ash circulating pipe 1, and the two grading boxes 2 are communicated with the fly ash circulating pipe 1 through pulverized coal falling holes 3 uniformly formed in the fly ash circulating pipe 1, when high-temperature fly ash airflow passes through the fly ash circulating pipe 1, the fly ash particles with larger diameters can be directly attached to the shielding plates 4, the two groups of shielding plates 4 can be used for grading the fly ash particles with different diameters, the motor 5 is driven to drive the rotating rod 6 to drive the rotating ring 8 through the rotating gear 7 when rotating, and then the cleaning scraper 11 is driven to clean the fly ash attached to the shielding plates 4, the cleaning capability of the device is increased, the fly ash finally enters the grading box 2 through the pulverized coal dropping hole 3 and then falls into the storage box 12 through the grading box 2, and then the two grading boxes 2 can accurately and stably grade the fly ash with different diameters, and finally the device can achieve the purpose of quickly and efficiently grading and recycling the fly ash, has the cleaning capability on the fly ash remained in the grading pipeline, and increases the practicability of the device.

Further, the left and right sides of classification case 2 all inlays and is equipped with the oil blanket, and the equal fixed connection in the outside of dwang 6 of inner circle of four oil blankets is through all inlaying and being equipped with the oil blanket in the left and right sides of classification case 2, makes the fly ash be difficult for taking place to leak by the junction of classification case 2 and dwang 6, has reduced the erosion of fly ash to the device, and the leakproofness of oil blanket is better, has increased the leakproofness of device.

Furthermore, a support box 13 is fixedly installed on the top of the fly ash circulation pipe 1, the motor 5 is fixedly installed inside the support box 13, and the support box 13 is fixedly installed on the top of the fly ash circulation pipe 1, so that the operation of the motor 5 is relatively stable, and the stability of the device is improved.

Further, hierarchical case 2 includes connecting box 201, connecting box 201 fixed mounting is in fly ash runner pipe 1's outside, connecting box 201's bottom fixedly connected with unloading case 202, storage case 12 fixed mounting is in unloading case 202's bottom and is linked together, including connecting box 201 and unloading case 202 through setting up hierarchical case 2, connecting box 201 can wrap up fly ash runner pipe 1, make fly ash can be by fly ash runner pipe 1 through 3 entering connecting box 201 of fine coal blanking hole, then get into in storage case 12 by unloading case 202, the ability that the device was collected fly ash has further been promoted.

Further, the inside fixedly connected with axial fan 14 and the ventilative filter 15 of storage case 12, ventilative filter 15 is located axial fan 14's top, through the inside fixedly connected with axial fan 14 and ventilative filter 15 at storage case 12, axial fan 14 in storage case 12 adsorbs the fly ash in hierarchical case 2, and make the fly ash in fly ash runner pipe 1 can be stable by fine coal dropping hole 3 entering hierarchical case 2, fall to storage case 12 in by hierarchical case 2 again, make two storage cases 12 can be stable and collect fly ash in grades finally, ventilative filter 15 can play filtration and ventilation effect, and then has increased the practicality of device.

Furthermore, each group of shielding plates 4 is composed of three shielding plates 4 arranged at equal intervals, the shielding plates 4 are inclined towards the right, the shielding plates 4 are composed of three shielding plates 4 arranged at equal intervals, so that the shielding plates 4 can stably shield and classify the fly ash, the inclined shielding plates 4 can relatively stably shield the fly ash, and the stability of the device is improved.

Furthermore, the front section of the cleaning scraper 11 is inclined, one side of the cleaning scraper 11 close to the fly ash runner pipe 1 is fixedly connected with an ash scraping block 16, the ash scraping block 16 is in contact with the fly ash runner pipe 1, the front section of the cleaning scraper 11 is inclined, the fly ash attached to the inside of the shielding plate 4 is stably cleaned during rotation, the ash scraping block 16 can scrape the inner wall of the fly ash runner pipe 1, and then the fly ash attached to the inside of the fly ash runner pipe 1 can be scraped into the grading box 2 through the fly ash dropping hole 3 by the ash scraping block 16, so that the cleaning capability of the device is improved.

The utility model discloses the model of motor 5 that uses can be Y160M-4, and axial fan 14's model can be FAD-45, and it is provided with rather than supporting control switch, and control switch's mounted position can select according to the in-service use needs.

It should be noted that each device in the present application is a common device in the market, and can be selected according to the requirement when in specific use, and the circuit connection relationship of each device all belongs to a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, and those skilled in the art can easily implement the circuit connection, and belong to the prior art, and are not described again.

The working principle is as follows: two classification boxes 2 are arranged outside a fly ash circulation pipe 1, the two classification boxes 2 are communicated with the fly ash circulation pipe 1 through pulverized coal falling holes 3 uniformly formed in the fly ash circulation pipe 1, an integrally formed rotating rod 6 is rotatably connected inside the classification boxes 2, a motor 5 can drive the rotating rod 6 after operation and further drive two rotating gears 7 in the rotating rod 6, a rotating ring 8 is rotatably connected outside the fly ash circulation pipe 1, two groups of shielding plates 4 are arranged on the inner side of the fly ash circulation pipe 1, when high-temperature fly ash airflow passes through the fly ash circulation pipe 1, fly ash particles with larger diameters can be directly attached to the shielding plates 4, the two groups of shielding plates 4 can classify the fly ash particles with different diameters, the inner side of the rotating ring 8 penetrates into the fly ash circulation pipe 1, and a connecting rod 10 is arranged inside the rotating ring 8, install cleaning blade 11 on connecting rod 10, and then make dwang 6 can drive swivel 8 by running gear 7 when rotating, and then drive cleaning blade 11 and clear up the adnexed flying dust of shielding plate 4, the cleaning ability of device has been increased, the fly ash is fallen hole 3 by the fine coal at last and gets into hierarchical case 2, fall to the storage case 12 in by hierarchical case 2 again, and then make two hierarchical cases 2 can carry out accurate stable grading to the flying dust of different diameters, finally make the device reach the purpose that can carry out hierarchical recovery processing to fly ash fast and efficient, and have cleaning ability to remaining coal ash in the hierarchical pipeline, the practicality of device has been increased, it has certain harm to the environment to have solved coal fired power plant's discharge solid waste, and the problem that the fly ash is difficult to clear up easily remains in the pipeline at the in-process of discharging fly ash.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a fly ash particle size grading plant, includes fly ash runner pipe (1), its characterized in that: the outside fixed mounting of flying dust runner pipe (1) has two classification case (2), evenly distributed's fine coal whereabouts hole (3) is seted up to the inboard of classification case (2), one side that classification case (2) were kept away from in fine coal whereabouts hole (3) is seted up to the inside of flying dust runner pipe (1), flying dust runner pipe (1) is linked together through the inside of fine coal whereabouts hole (3) and classification case (2), the inside fixedly connected with two sets of shielding plates (4) of equidistance range of flying dust runner pipe (1), fine coal whereabouts hole (3) are located between two adjacent shielding plates (4), the top fixedly connected with motor (5) of flying dust runner pipe (1), the output shaft fixedly connected with dwang (6) of motor (5), dwang (6) rotate and are connected to the inboard of two classification case (2), two rotating gears (7) are fixedly connected to the outer part of the rotating rod (6), and the two rotating gears (7) are positioned above the inner parts of the two grading boxes (2);

the inside of flying dust runner pipe (1) is rotated and is connected with two swivel beckets (8), two the outside of swivel beckets (8) respectively extends to the inside of two hierarchical casees (2), outside fixedly connected with of swivel becket (8) rotates ring gear (9), two the top of rotating ring gear (9) meshes with two rotating gear (7) respectively, two the top and the equal fixedly connected with connecting rod (10) in bottom of swivel becket (8) inboard are adjacent two clean scraper blade (11) that the equal fixedly connected with equidistance of one side of carrying on the back mutually of connecting rod (10) was arranged, the right side and the shielding plate (4) contact of clean scraper blade (11), the bottom fixed mounting of hierarchical case (2) has storage case (12).

2. The fly ash particle size classification device according to claim 1, characterized in that: the left and right sides of grading case (2) all inlays and is equipped with the oil blanket, four the equal fixed connection in the outside of dwang (6) of inner circle of oil blanket.

3. The fly ash particle size classification device according to claim 1, characterized in that: the top of the fly ash circulating pipe (1) is fixedly provided with a supporting box (13), and the motor (5) is fixedly arranged in the supporting box (13).

4. The fly ash particle size classification device according to claim 1, characterized in that: grading box (2) are including connecting box (201), connecting box (201) fixed mounting is in the outside of fly ash runner pipe (1), the bottom fixedly connected with blanking box (202) of connecting box (201), storage case (12) fixed mounting is in the bottom of blanking box (202) and is linked together.

5. The fly ash particle size classification device according to claim 1, characterized in that: the inside fixedly connected with axial fan (14) and ventilative filter (15) of storage case (12), ventilative filter (15) are located the top of axial fan (14).

6. The fly ash particle size classification device according to claim 1, characterized in that: each group of the shielding plates (4) is composed of three shielding plates (4) which are arranged at equal intervals, and the shielding plates (4) are inclined rightwards.

7. The fly ash particle size classification device according to claim 1, characterized in that: the front view cross section of the cleaning scraper blade (11) is inclined, one side of the cleaning scraper blade (11) close to the fly ash circulation pipe (1) is fixedly connected with an ash scraping block (16), and the ash scraping block (16) is in contact with the fly ash circulation pipe (1).

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