CN112934418A

CN112934418A - Environment-friendly fly ash treatment facility for coal chemical production

Info

Publication number: CN112934418A
Application number: CN202110103933.3A
Authority: CN
Inventors: 徐国想; 许正涛; 陆俊臣
Original assignee: Jiangsu Ocean University
Current assignee: Jiangsu Ocean University
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-11

Abstract

The invention discloses environment-friendly fly ash treatment equipment for coal chemical production, which comprises a mixing drum and a driving device, wherein the mixing drum is hermetically connected with a feeding pipe, an output head of the driving device is fixedly connected with a rotating rod, the rotating rod penetrates through a mixing drum and extends into the mixing drum, the part of the rotating rod extending into the mixing drum is fixedly connected with a plurality of stirring rods, a plurality of sliding rods are fixedly connected into the mixing drum, each sliding rod is connected with a sliding sleeve in a sliding manner, and the sliding sleeves are respectively and fixedly connected with a first screen and a second screen. The invention has the advantages that larger coal ash lumps can be filtered through the first screen, when the larger coal ash lumps are gathered too much, the large coal ash lumps vibrate mutually through the vibration of the first screen, so that the lumps are shattered, and the smaller lumps enter the second screen and are crushed through the mutual extrusion of the first toothed plate and the second toothed plate, so that the coal ash is less in agglomeration, and the brick making quality of the coal ash can be ensured.

Description

Environment-friendly fly ash treatment facility for coal chemical production

Technical Field

The invention relates to the technical field of coal ash treatment, in particular to environment-friendly coal ash treatment equipment for coal chemical production.

Background

The nation is a big coal-producing nation and takes coal as basic fuel for power production. The energy industry in China is steadily developed, the annual growth rate of the power generation capacity is 7.3%, the rapid development of the power industry brings about rapid increase of the emission amount of the fly ash, the total amount of the fly ash discharged by coal-fired thermal power plants is increased year by year, the emission amount of the fly ash reaches 1.25 hundred million tons in 1995, about 1.5 hundred million tons in 2000, and reaches 3 hundred million tons in 2010, and great pressure is caused to national economic construction and ecological environment in China. On the other hand, China is a country with limited resource reserves occupied by everyone, the comprehensive utilization of the fly ash changes waste into valuable and harm into good, becomes an important technical and economic policy in the economic construction of China, is an important means for solving the contradiction between environmental pollution and resource shortage in power production in China, and is one of the tasks to be solved in power production. Through development, the fly ash is widely applied to various departments such as construction, building materials, water conservancy and the like. With the rapid development of society, people pay more and more attention to environmental protection and resource utilization, and emphasize the recyclable production concept, a lot of industrial waste materials are processed and reused, a large amount of fly ash is generated every year in China, and a lot of fly ash baked bricks are generated at present, but the fly ash is powdery and easily generates dust and smoke to influence the processing environment.

The existing fly ash treatment is generally used for making bricks, the fly ash needs to be pretreated before the bricks are made, the pretreatment effect on the fly ash in the prior art is poor, the agglomerated fly ash cannot be well crushed, the quality of the made bricks is low, the discharging process of the fly ash in the prior art is inconvenient, the fly ash is stirred and mixed with water to form a viscous product, so that the bricks can be made, fly ash flying dust is prevented, the stirring is stopped after the fly ash in a stirring cylinder is stirred in the prior art, the discharging process is slow, and the working efficiency is reduced.

Therefore, an environment-friendly fly ash treatment device for coal chemical production is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems that agglomerated fly ash cannot be well crushed and the fly ash discharging process is slow in the prior art, and provides environment-friendly fly ash treatment equipment for coal chemical production.

In order to achieve the purpose, the invention adopts the following technical scheme:

an environment-friendly fly ash treatment device for coal chemical production comprises a mixing drum and a driving device, wherein the mixing drum is hermetically connected with an inlet pipe, an output head of the driving device is fixedly connected with a rotating rod, the rotating rod penetrates through a mixing drum and extends into the mixing drum, the part of the rotating rod extending into the mixing drum is fixedly connected with a plurality of stirring rods, the inside of the mixing drum is fixedly connected with a plurality of sliding rods, each sliding rod is slidably connected with a sliding sleeve, the sliding sleeves are respectively and fixedly connected with a first screen and a second screen, a first fixed disc is arranged in the middle of the first screen, a second fixed disc is arranged in the middle of the second screen, the first fixed disc is fixedly connected with an arc-shaped plate close to the side wall of the second screen, the first fixed disc is fixedly connected with a plurality of limiting plates close to the side wall of the arc-shaped plate, and the side wall of the second fixed disc, it is a plurality of branch passes through expanding spring fixedly connected with connecting rod, the connecting rod is close to the first pinion rack of one end fixedly connected with of second fixed disk, the lateral wall fixedly connected with that the second fixed plate is close to first pinion rack and first pinion rack assorted second pinion rack, the one end that first pinion rack was kept away from to the connecting rod rotates and is connected with the runner that matches with the arc, the runner is arranged in between a plurality of limiting plates, the opening has been seted up to the churn, opening sealing connection has a play feed cylinder, it rotates and is connected with the auger to go out the feed cylinder, the discharge gate has been seted up to the play feed cylinder.

Preferably, the size of the first screen is smaller than that of the second screen, the second screen inclines towards the second fixed disk, the side walls of the first screen and the second screen are respectively provided with a first vibrator and a second vibrator, and the vibration directions of the first vibrator and the second vibrator are opposite.

Preferably, a plurality of water spraying devices are arranged on the inner wall of the stirring barrel and are arranged on the lower side of the second screen.

Preferably, the rotating rod is partially rotatably connected with a control box close to the bottom of the stirring barrel, and a plurality of scraping plates are fixedly connected with the side wall of the control box.

Preferably, a plurality of fixed rods are fixed at a part of the mixing drum close to the inside of the control box, a planetary gear is fixedly connected to each fixed rod, and a first gear matched with the planetary gear is fixedly connected to a part of the rotating rod extending into the control box.

Preferably, the inner wall of the control box is fixedly connected with a gear ring matched with the planetary gear, each scraper is provided with a strip-shaped opening, and each strip-shaped opening is rotatably connected with a short rod and a support rod.

Preferably, every it has the inside groove to open in the scraper blade, and is a plurality of the quarter butt stretches into a plurality of inside grooves, every the quarter butt stretches into the first bevel gear of one end fixedly connected with of inside groove, every first bevel gear rotates and is connected with second bevel gear, every second bevel gear fixedly connected with stock, every the stock stretches into inside the control box, and is a plurality of dead lever fixedly connected with awl ring, every the stock stretches into the inside one end fixedly connected with of control box and the third bevel gear that awl ring matches.

Preferably, every a plurality of second gears of quarter butt lateral wall fixedly connected with, every the bracing piece lateral wall rotates and is connected with a plurality of third gears, and a plurality of second gears pass through the chain gear and are connected with a plurality of third gear drive, and are a plurality of conveyer belts of chain gear lateral wall fixedly connected with, every the conveyer belt is kept away from the lateral wall fixedly connected with push pedal of chain gear.

Compared with the prior art, the invention has the beneficial effects that:

1. larger coal ash agglomerates can be filtered through the first screen mesh, when the larger coal ash agglomerates are gathered too much, the large coal ash agglomerates vibrate mutually through the vibration of the first screen mesh, so that the agglomerates are shattered, and the smaller agglomerates enter the second screen mesh and are crushed through mutual extrusion of the first toothed plate and the second toothed plate, so that the agglomerates in the coal ash are less, and the brick making quality of the coal ash can be ensured;

2. the fly ash after being stirred can be continuously output to the outside through the structures such as the scraping plate, the auger and the like, so that the fly ash is not required to be stirred in the whole fly ash pretreatment process, the fly ash pretreatment speed is increased, the working efficiency of workers is improved, the fly ash after being stirred in the stirring cylinder can be conveyed into the discharge cylinder through the push plate, the fly ash in the stirring cylinder is prevented from being accumulated, the rotating rod can drive the scraping plate to rotate through the structures such as the planetary gear and the like, extra power is not required to be provided for the rotation of the scraping plate, and the investment of economic cost is reduced;

3. the size of first screen cloth is less than the direct fall of fly ash that can avoid the caking of the size of second screen cloth to guarantee that the fly ash of caking can be smashed, the second screen cloth can make the fly ash of caking gather in the second toothed plate to the slope of second fixed disk, makes things convenient for first pinion rack and the fly ash that the second toothed plate smashed the caking.

Drawings

FIG. 1 is a schematic structural view of an environment-friendly fly ash treatment device for coal chemical production according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic structural view of the rotating wheel and the limiting plate of the environment-friendly fly ash treatment equipment for coal chemical production according to the present invention.

In the figure: 1 mixing drum, 2 driving device, 3 rotating rod, 4 mixing rod, 5 sliding rod, 6 sliding sleeve, 7 first screen, 8 second screen, 9 first fixed disk, 10 second fixed disk, 11 supporting rod, 12 connecting rod, 13 expansion spring, 14 first toothed plate, 15 second toothed plate, 16 arc-shaped plate, 17 rotating wheel, 18 limiting plate, 19 discharging drum, 20 auger, 21 water sprayer, 22 first vibrator, 23 second vibrator, 24 fourth gear, 25 control box, 26 first gear, 27 fixing rod, 28 planetary gear, 29 gear ring, 30 scraping plate, 31 short rod, 32 supporting rod, 33 first bevel gear, 34 second bevel gear, 35 long rod, 36 third bevel gear, 37 bevel gear ring, 38 conveying belt, 39 push plate, 40 third gear, 41 feeding pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an environment-friendly fly ash treatment device for coal chemical production comprises a mixing drum 1 and a driving device 2, wherein the mixing drum 1 is hermetically connected with a feeding pipe 41, an output head of the driving device 2 is fixedly connected with a rotating rod 3, the rotating rod 3 penetrates through the mixing drum and extends into the mixing drum 1, the part of the rotating rod 3 extending into the mixing drum 1 is fixedly connected with a plurality of mixing rods 4, the inside of the mixing drum 1 is fixedly connected with a plurality of sliding rods 5, each sliding rod 5 is slidably connected with a sliding sleeve 6, the plurality of sliding sleeves 6 are respectively and fixedly connected with a first screen 7 and a second screen 8, a first fixed disc 9 is arranged in the middle of the first screen 7, a second fixed disc 10 is arranged in the middle of the second screen 8, an arc-shaped plate 16 is fixedly connected to the side wall of the first fixed disc 9 close to the second screen 8, a plurality of limiting plates 18 are fixedly connected to, a plurality of branches 11 of lateral wall fixedly connected with of second fixed plate, a plurality of branches 11 pass through expanding spring 13 fixedly connected with connecting rod 12, connecting rod 12 is close to the first pinion rack 14 of one end fixedly connected with of second fixed disk 10, the lateral wall fixedly connected with that the second fixed plate is close to first pinion rack 14 and first pinion rack 14 assorted second pinion rack 15, the one end rotation that first pinion rack 14 was kept away from to connecting rod 12 is connected with runner 17 with 16 matches of arc, runner 17 is arranged in between a plurality of limiting plates 18, the opening has been seted up to churn 1, opening sealing connection has a feed cylinder 19, feed cylinder 19 rotates and is connected with auger 20, feed cylinder 19 has seted up the discharge gate, can filter great fly ash caking through first screen cloth 7, when great fly ash caking gathers too much, big fly ash caking vibrates each other when the vibration through first screen cloth 7, thereby will the caking shatter, when smaller caking extrudees each other through first pinion rack 14 and second pinion rack 15 after getting into second screen cloth 8 The ash agglomeration is crushed, so that the agglomeration in the fly ash is less, and the brick making quality of the fly ash can be ensured;

the size of the first screen 7 is smaller than that of the second screen 8, the second screen 8 inclines towards the second fixed disk 10, the size of the first screen 7 is smaller than that of the second screen 8, so that agglomerated fly ash can be prevented from directly falling down, and therefore agglomerated fly ash can be crushed, the inclination of the second screen 8 towards the second fixed disk 10 can enable the agglomerated fly ash to gather towards the second toothed plate 15, so that the agglomerated fly ash can be conveniently crushed by the first toothed plate 14 and the second toothed plate 15, the side walls of the first screen 7 and the second screen 8 are respectively provided with a first vibrator 22 and a second vibrator 23, the vibration directions of the first vibrator 22 and the second vibrator 23 are opposite, the inner wall of the mixing drum 1 is provided with a plurality of water spraying devices 21, the water spraying devices 21 are arranged at the lower side of the second screen 8, a part of the rotating rod 3, which is close to the bottom of the mixing drum 1, is rotatably connected with a control box 25, the side wall of the control, through the structures of the scraper 30, the auger 20 and the like, the stirred fly ash can be continuously output to the outside, so that the stirring of the fly ash is not stopped in the whole fly ash pretreatment process, the fly ash pretreatment speed is increased, and the working efficiency of workers is improved, a plurality of fixing rods 27 are fixed and arranged on the part, close to the inside of the control box 25, of the stirring cylinder 1, a planetary gear 28 is fixedly connected onto each fixing rod 27, the rotating rod 3 can drive the scraper 30 to rotate through the structures of the planetary gear 28 and the like, extra power is not required to be provided for the rotation of the scraper 30, the investment of economic cost is reduced, and a first gear 26 matched with the planetary gear 28 is fixedly connected onto the part, extending into the control box 25, of the rotating rod 3;

the inner wall of the control box 25 is fixedly connected with a gear ring 29 matched with the planetary gear 28, each scraper 30 is provided with a strip-shaped opening, each strip-shaped opening is rotatably connected with a short rod 31 and a support rod 32, an inner groove is formed in each scraper 30, the short rods 31 extend into the inner grooves, one end of each short rod 31 extending into the inner groove is fixedly connected with a first bevel gear 33, each first bevel gear 33 is rotatably connected with a second bevel gear 34, each second bevel gear 34 is fixedly connected with a long rod 35, each long rod 35 extends into the control box 25, the fixed rods 27 are fixedly connected with a bevel gear ring 37, one end of each long rod 35 extending into the control box 25 is fixedly connected with a third bevel gear 36 matched with the bevel gear ring 37, the side wall of each short rod 31 is fixedly connected with a plurality of second gears, the side wall of each support rod 32 is rotatably connected with a plurality of third gears 40, and the second gears are in transmission connection with the third gears 40 through a, the side walls of the plurality of toothed chains are fixedly connected with a plurality of conveyor belts 38, each conveyor belt 38 is far away from the side wall of the toothed chain and is fixedly connected with a push plate 39, and the fly ash which is stirred completely in the mixing drum 1 can be conveyed into the discharge drum 19 through the push plates 39, so that the accumulation of the fly ash in the mixing drum 1 is avoided.

When the invention is used, the fly ash is sent into the mixing drum 1 through the feeding pipe 41, the fly ash can filter larger fly ash lumps through the first screen cloth 7, when the first screen cloth 7 vibrates, the larger fly ash lumps are collided and broken into smaller lumps, the smaller lumps fall onto the second screen cloth 8 through the first screen cloth 7, when the first screen cloth 7 and the second screen cloth 8 move mutually, the rotating wheel 17 moves up and down along the arc-shaped plate 16 through the expansion spring 13, the rotating wheel 17 drives the connecting rod 12 to move up and down, the connecting rod 12 drives the first toothed plate 14 to move up and down, therefore, when the fly ash lumps are gathered on the second toothed plate 15, the fly ash lumps are crushed through the extrusion of the first toothed plate 14 and the second toothed plate 15, the crushed powder is mixed and stirred by the water sprayed by the water spraying device 21 and the mixing rod 4, so as to form a sticky product, when the driving device 2 drives the rotating rod 3 to rotate, the rotating rod 3 drives the first gear 26 to rotate, the first gear 26 drives the plurality of planetary gears 28 to rotate, the plurality of planetary gears 28 drive the control box 25 to rotate through the gear ring 29, the control box 25 drives the scraper 30 to rotate, when the scraper 30 rotates, the plurality of long rods 35 drive the third bevel gear 36 to rotate along the bevel gears, so the third bevel gear 36 drives the long rods 35 to rotate, the long rods 35 drive the second bevel gears 34 to rotate, the second bevel gears 34 drive the first bevel gears 33 to rotate, the first bevel gears 33 drive the short rods 31 to rotate, the short rods 31 drive the plurality of second gears to rotate, the second gears drive the third gear 40 to rotate through the gear chains, the rack chain drives the conveying belt 38 to rotate, the conveying belt 38 drives the push plate 39 to move, when the push plate 39 moves, the stirred fly ash is conveyed into the discharge barrel 19, the fly ash is conveyed out through the auger 20, therefore, the stirred fly ash can be discharged without stopping stirring, the treatment speed of the fly ash is greatly improved, and the working efficiency of workers is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an environment-friendly fly ash treatment facility for coal chemical production, includes churn (1) and drive arrangement (2), its characterized in that, churn (1) sealing connection has inlet pipe (41), the delivery outlet fixedly connected with bull stick (3) of drive arrangement (2), bull stick (3) run through the agitator and stretch into churn (1) inside, bull stick (3) stretch into a plurality of stirring rods (4) of the inside part fixedly connected with of churn (1), a plurality of slide bars (5) of the inside fixedly connected with of churn (1), every sliding connection has sliding sleeve (6) on slide bar (5), and is a plurality of sliding sleeve (6) are fixedly connected with first screen cloth (7) and second screen cloth (8) respectively, the centre of first screen cloth (7) is equipped with first fixed disk (9), and the centre of second screen cloth (8) is equipped with second fixed disk (10), the first fixing disc (9) is close to the side wall fixedly connected with arc-shaped plate (16) of the second screen (8), the first fixing disc (9) is close to the side wall fixedly connected with a plurality of limiting plates (18) of the arc-shaped plate (16), the side wall fixedly connected with a plurality of supporting rods (11) of the second fixing disc, the supporting rods (11) are fixedly connected with a connecting rod (12) through a telescopic spring (13), one end of the connecting rod (12) close to the second fixing disc (10) is fixedly connected with a first toothed plate (14), the side wall fixedly connected with the second fixing disc close to the first toothed plate (14) is connected with a second toothed plate (15) matched with the first toothed plate (14), one end of the connecting rod (12) far away from the first toothed plate (14) is rotatably connected with a rotating wheel (17) matched with the arc-shaped plate (16), and the rotating wheel (17) is arranged between the limiting plates (18), the opening has been seted up in churn (1), opening sealing connection has out feed cylinder (19), it is connected with auger (20) to go out feed cylinder (19) rotation, the discharge gate has been seted up in play feed cylinder (19).

2. The environment-friendly fly ash treatment equipment for coal chemical production according to claim 1, wherein the size of the first screen (7) is smaller than that of the second screen (8), the second screen (8) is inclined towards the second fixed disk (10), the side walls of the first screen (7) and the second screen (8) are respectively provided with a first vibrator (22) and a second vibrator (23), and the vibration directions of the first vibrator (22) and the second vibrator (23) are opposite.

3. The environment-friendly fly ash treatment equipment for coal chemical production according to claim 1, wherein a plurality of water spraying devices (21) are arranged on the inner wall of the mixing drum (1), and the water spraying devices (21) are arranged on the lower side of the second screen (8).

4. The environment-friendly fly ash treatment equipment for coal chemical production according to claim 1, wherein the rotating rod (3) is partially connected with a control box (25) in a rotating manner near the bottom of the mixing drum (1), and a plurality of scraping plates (30) are fixedly connected to the side wall of the control box (25).

5. The coal chemical production environment-friendly fly ash treatment equipment as claimed in claim 4, wherein a part of the mixing drum (1) close to the inside of the control box (25) is fixedly provided with a plurality of fixing rods (27), each fixing rod (27) is fixedly connected with a planetary gear (28), and a part of the rotating rod (3) extending into the control box (25) is fixedly connected with a first gear (26) matched with the planetary gear (28).

6. The environment-friendly fly ash treatment equipment for coal chemical production as claimed in claim 5, wherein the inner wall of the control box (25) is fixedly connected with a gear ring (29) matched with the planetary gear (28), each scraper (30) is provided with a strip-shaped opening, and each strip-shaped opening is rotatably connected with a short rod (31) and a support rod (32).

7. The environment-friendly fly ash treatment equipment for coal chemical production as claimed in claim 6, wherein each scraper (30) is internally provided with an inner groove, a plurality of short rods (31) extend into the inner grooves, one end of each short rod (31) extending into the inner grooves is fixedly connected with a first bevel gear (33), each first bevel gear (33) is rotatably connected with a second bevel gear (34), each second bevel gear (34) is fixedly connected with a long rod (35), each long rod (35) extends into the control box (25), a plurality of fixed rods (27) are fixedly connected with a bevel gear ring (37), and one end of each long rod (35) extending into the control box (25) is fixedly connected with a third bevel gear (36) matched with the bevel gear ring (37).

8. The coal chemical production environment-friendly fly ash treatment equipment as claimed in claim 7, wherein each short rod (31) side wall is fixedly connected with a plurality of second gears, each support rod (32) side wall is rotatably connected with a plurality of third gears (40), the plurality of second gears are in transmission connection with the plurality of third gears (40) through a toothed chain, the plurality of toothed chain side walls are fixedly connected with a plurality of conveyor belts (38), and each conveyor belt (38) is far away from the side wall of the toothed chain and is fixedly connected with a push plate (39).