CN219664402U

CN219664402U - Coal powder screening device of thermal power plant

Info

Publication number: CN219664402U
Application number: CN202321334806.5U
Authority: CN
Inventors: 李萍; 刘佳丽; 王晓鹏; 杨宇萌
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-09-12
Anticipated expiration: 2033-05-30

Abstract

The utility model provides a pulverized coal screening device of a thermal power plant. The coal dust screening device of the thermal power plant comprises: screening machine main part, two sets of feed inlets of surface fixedly connected with of screening machine main part, the side fixedly connected with vibrating motor of screening machine main part, two sets of discharge gates of side fixedly connected with of screening machine main part, the terminal fixedly connected with ejection of compact connector of discharge gate, four spring telescopic links of bottom fixedly connected with of screening machine main part, the inside fixedly connected with fixed plate of screening machine main part, two sets of recesses have been seted up to the inside of fixed plate, the bottom of recess is equipped with first screen cloth, the inside sliding connection of fixed plate has two sets of screening bins, the bottom of screening bin is equipped with the second screen cloth, the ejection of compact logical groove has been seted up to the inner wall surface of screening bin. According to the utility model, the large-particle coal blocks are not required to be cleaned by manually taking out the screening bin, the materials can be continuously conveyed to the feed inlet for screening, the screening process is not required to be suspended, a great amount of working time of a user can be saved, and the working efficiency is increased.

Description

Coal powder screening device of thermal power plant

Technical Field

The utility model relates to the technical field of coal dust processing, in particular to a coal dust screening device of a thermal power plant.

Background

Coal, abbreviated as coal, is mainly used as fuel by human, coal is one of important non-renewable resources of human, often is the form of coal briquette and powder mixing after the exploitation, in order to increase the utilization ratio of coal, needs to use screening plant to screen coal briquette and powder, utilizes respectively, increases its utilization efficiency.

Through retrieving the discovery, chinese patent application number 202221335871.5 discloses a coarse and fine screening plant for coal dust processing, can be convenient for carry out the dismouting with screening groove in the inside of box through being provided with dismouting structure, can need carry out the dismouting to the screening groove when using, push away the ejector pad to the inside of activity chamber during the installation, the ejector pad can compress spacing spring this moment, put into the inside of case with the screening groove, limit spring inflation resilience promotes the ejector pad when the screening groove slides to suitable position, the ejector pad inserts to the inside of draw-in groove, can upwards stimulate the screening groove, the ejector pad is pulled to the screening groove, the ejector pad has oblique angle shell makes the ejector pad to the inside extrusion of activity chamber, can take out the screening groove from the inside of box, realized being convenient for carry out the dismouting with the screening groove in the box.

In view of the above-mentioned technology, the inventors believe that when pulverized coal is put into the apparatus, the pulverized coal is sieved through a plurality of sieving grooves, and finally sieved pulverized coal is taken out from the bottom, but the pulverized coal and the pulverized coal in the previous sieving groove need the user to manually open the apparatus, take out the sieving groove, clean and then sieve, and in the long-time sieving process, the sieving groove needs to be cleaned a plurality of times, which is inconvenient.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a coal dust screening device of a thermal power plant.

The utility model provides a pulverized coal screening device of a thermal power plant, which comprises: the screening machine main part, two sets of feed inlets of fixed surface of screening machine main part, the side fixedly connected with vibrating motor of screening machine main part, two sets of discharge gates of side fixedly connected with of screening machine main part, the terminal fixedly connected with ejection of compact connector of discharge gate, four sets of spring telescopic links of bottom fixedly connected with of screening machine main part, the inside fixedly connected with fixed plate of screening machine main part, two sets of recesses have been seted up to the inside of fixed plate, the bottom of recess is equipped with first screen cloth, the inside sliding connection of fixed plate has two sets of sieve storehouse, the bottom of sieve storehouse is equipped with the second screen cloth, the ejection of compact logical groove has been seted up to the inner wall surface of sieve storehouse, the outside swing joint of ejection of compact logical groove has ejection of compact connector.

Preferably, a group of first sliding grooves are formed in two sides of the inner wall of the groove, first sliding blocks are connected to the inner portions of the first sliding grooves in a sliding mode, and the first sliding blocks are fixedly connected to two sides of the screening bin.

Preferably, two groups of second sliding grooves are formed in the bottom of the fixing plate, a storage bin is slidably connected to the bottom of the fixing plate, a group of second sliding blocks are fixedly connected to two sides of the surface of the storage bin, and the second sliding blocks are slidably connected with the second sliding grooves.

Preferably, the back of the screening machine main body is provided with an opening and closing door.

Preferably, the bottom of the spring telescopic rod is fixedly connected with a bottom plate, and the bottom of the bottom plate is fixedly connected with four groups of universal wheels.

Preferably, a discharge chute is arranged in the discharge hole.

Preferably, the top opening of the sieve bin is matched with the feeding hole.

Compared with the related art, the coal dust screening device of the thermal power plant has the following beneficial effects: the user slides two sets of sieve material storehouse and puts into the inside two sets of recesses of seting up of fixed plate to with the inside of the discharge through groove embedding discharge connector of sieve material storehouse, afterwards throw into the inside of two sets of sieve material storehouse with the material from two sets of feed inlets, the user starts vibrating motor, drive whole device and shake, the inside buggy mixture of sieve material storehouse can separate gradually in the vibrations, wherein big granule coal cinder can pass through the discharge connector and drop from two sets of inside discharge gates, the tiny particle buggy can drop to the storage silo along the inside gap of screen cloth under the effect of first screen cloth and second screen cloth, need not the manual work and take out sieve material storehouse clearance big granule coal cinder, can last to carry the material to the feed inlet, sieve, need not to pause in the screening process, can save a large amount of operating time of user, increase work efficiency.

Drawings

FIG. 1 is a schematic view of a coal powder separator of a thermal power plant according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic rear view of the body of the screen of the present utility model;

FIG. 3 is an internal schematic view of the body of the screen of the present utility model;

FIG. 4 is an internal schematic view of the discharge port of the present utility model;

FIG. 5 is an internal schematic view of a screen bin of the present utility model;

FIG. 6 is an internal schematic view of a storage bin of the present utility model;

fig. 7 is a partial enlarged view of a of the present utility model.

Reference numerals in the drawings: 1. a sieving machine body; 2. a feed inlet; 3. a vibration motor; 4. a bottom plate; 5. a discharge port; 6. a spring telescoping rod; 7. a universal wheel; 8. an opening/closing door; 9. a fixing plate; 10. a discharge connection port; 11. a first screen; 12. a storage bin; 13. a groove; 14. discharging through grooves; 15. a second screen; 16. a first slider; 17. a screening bin; 18. a second slider; 19. a first chute; 20. a second chute; 21. and a discharging chute.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a pulverized coal screening device of a thermal power plant according to the present utility model; FIG. 2 is a schematic rear view of the body of the screen of FIG. 1; FIG. 3 is an interior schematic view of the screen body shown in FIG. 1; FIG. 4 is an internal schematic view of the discharge port shown in FIG. 1; FIG. 5 is an interior schematic view of the screen bin shown in FIG. 1; FIG. 6 is an internal schematic view of the storage bin shown in FIG. 1; fig. 7 is a partial enlarged view of a shown in fig. 1.

In the implementation process, as shown in fig. 1 and 2, the method includes: screening machine main part 1, two sets of feed inlets 2 of fixed surface connection of screening machine main part 1, the side fixedly connected with vibrating motor 3 of screening machine main part 1, the side fixedly connected with of screening machine main part 1 is two sets of discharge gates 5, the terminal fixedly connected with of discharge gate 5 goes out the material connection mouth 10, the bottom fixedly connected with of screening machine main part 1 is four sets of spring telescopic links 6, the inside fixedly connected with fixed plate 9 of screening machine main part 1, two sets of recesses 13 have been seted up to the inside of fixed plate 9, the bottom of recess 13 is equipped with first screen cloth 11, the inside sliding connection of fixed plate 9 has two sets of sieve material storehouse 17, the bottom of sieve material storehouse 17 is equipped with second screen cloth 15, the ejection of compact logical groove 14 has been seted up to the inner wall surface of sieve material storehouse 17, the outside swing joint of ejection of compact logical groove 14 has ejection of compact connector 10.

Referring to fig. 1, 3, 5 and 7, a group of first sliding grooves 19 are formed on two sides of the inner wall of the groove 13, a first sliding block 16 is slidably connected in the first sliding groove 19, the first sliding block 16 is fixedly connected on two sides of the screening bin 17, and a user slides the first sliding block 16 into the first sliding groove 19, so that the screening bin 17 is slidably connected with the groove 13.

Referring to fig. 1, 3 and 6, two sets of second sliding grooves 20 are formed in the bottom of the fixed plate 9, a storage bin 12 is slidably connected to the bottom of the fixed plate 9, a set of second sliding blocks 18 are fixedly connected to two sides of the surface of the storage bin 12, the second sliding blocks 18 are slidably connected with the second sliding grooves 20, the storage bin 12 is slidably connected with the fixed plate 9, a certain stable state is formed after the opening and closing door 8 is closed, in the vibration process, the first screen mesh 11 and the second screen mesh 15 can screen coal in the screening bin 17, and small-particle coal dust can fall into the storage bin 12 to be stored under the action of gravity.

Referring to fig. 1 and 2, the back of the screening machine body 1 is provided with an opening and closing door 8, and a user can take out or put in the screening bin 17 and the storage bin 12 by opening the opening and closing door 8, so that the screening machine is convenient and quick.

Referring to fig. 1 and 2, the bottom of the spring expansion link 6 is fixedly connected with the bottom plate 4, the bottom of the bottom plate 4 is fixedly connected with four groups of universal wheels 7, the bottom plate 4 can support the spring expansion link 6, so that vibration of the device is buffered, and a user can conveniently move the sieving machine main body 1 through the universal wheels 7.

Referring to fig. 1 and 4, the discharge chute 21 is disposed in the discharge port 5, and the inclined discharge chute 21 can make large-particle coal drop from the discharge port 5 more conveniently and rapidly.

Referring to fig. 1, the top opening of the screening bin 17 is matched with the feed inlet 2, and after the screening bin 17 is slidably placed in the groove 13, the top opening is matched with the feed inlet 2, so that the material is prevented from being lost when the material is put in.

The working principle provided by the utility model is as follows: the user slides two sets of sieve bins 17 into two sets of recesses 13 that the fixed plate 9 is inside seted up earlier to with the inside of the ejection of compact through groove 14 embedding ejection of compact connector 10 of sieve bin 17, afterwards throw into the inside of two sets of sieve bins 17 with the material from two sets of feed inlets 2, the user starts vibration motor 3, drive whole device and shake, the inside buggy mixture of sieve bin 17 can separate in the vibrations gradually, wherein big granule coal cinder can pass through ejection of compact connector 10 and drop from two sets of discharge gates 5 inside, tiny particle buggy can drop to storage silo 12 along the inside gap of screen cloth under the effect of first screen cloth 11 and second screen cloth 15, four sets of spring telescopic links 6 of screening machine main part 1 bottom can effectually cushion the vibrations of device, the damage that the reduction device received.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A coal dust screening device of a thermal power plant, comprising: the screening machine is characterized in that two groups of feeding ports (2) are fixedly connected to the surface of the screening machine body (1), a vibrating motor (3) is fixedly connected to the side face of the screening machine body (1), two groups of discharging ports (5) are fixedly connected to the side face of the screening machine body (1), and a discharging connecting port (10) is fixedly connected to the tail end of each discharging port (5);

the bottom of the screening machine main body (1) is fixedly connected with four groups of spring telescopic rods (6);

the screening machine is characterized in that a fixing plate (9) is fixedly connected to the inside of the screening machine main body (1), two groups of grooves (13) are formed in the fixing plate (9), and a first screen (11) is arranged at the bottom of each groove (13);

the inside sliding connection of fixed plate (9) has two sets of sieve feed bin (17), the bottom of sieve feed bin (17) is equipped with second screen cloth (15), ejection of compact logical groove (14) have been seted up to the inner wall surface of sieve feed bin (17), the outside swing joint of ejection of compact logical groove (14) has ejection of compact connector (10).

2. The pulverized coal screening device of a thermal power plant according to claim 1, wherein a group of first sliding grooves (19) are formed in two sides of the inner wall of the groove (13), first sliding blocks (16) are connected inside the first sliding grooves (19) in a sliding mode, and the first sliding blocks (16) are fixedly connected to two sides of a screening bin (17).

3. The pulverized coal screening device of a thermal power plant according to claim 1, wherein two groups of second sliding grooves (20) are formed in the bottom of the fixing plate (9), a storage bin (12) is slidably connected to the bottom of the fixing plate (9), a group of second sliding blocks (18) are fixedly connected to two sides of the surface of the storage bin (12), and the second sliding blocks (18) are slidably connected with the second sliding grooves (20).

4. The pulverized coal screening device of a thermal power plant according to claim 1, characterized in that the back of the screening machine body (1) is provided with an opening and closing door (8).

5. The pulverized coal screening device of a thermal power plant according to claim 1, characterized in that the bottom of the spring telescopic rod (6) is fixedly connected with a bottom plate (4), and the bottom of the bottom plate (4) is fixedly connected with four groups of universal wheels (7).

6. The pulverized coal screening device of a thermal power plant according to claim 1, characterized in that the inside of the discharge opening (5) is provided with a discharge chute (21).

7. The pulverized coal screening plant according to claim 1, characterized in that the top opening of the screen bin (17) is matched to the feed opening (2).