CN219057937U

CN219057937U - Quicklime discharging, screening and dedusting system

Info

Publication number: CN219057937U
Application number: CN202320142165.7U
Authority: CN
Inventors: 熊楚涛
Original assignee: Jingmen Hengsheng Calcium Industry Co ltd
Current assignee: Jingmen Hengsheng Calcium Industry Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-05-23
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a quicklime discharging, screening and dedusting system, which comprises a discharging warehouse (2), a screening discharging device (3) and a washing tower (4), wherein the screening discharging device (3) is arranged in the discharging warehouse (2), the screening discharging device (3) comprises a sieve plate (10) arranged on a feeding hole of the discharging warehouse (2), a conveyor (11) arranged below a discharging end of the sieve plate (10) and a discharging hopper (12) arranged at the discharging end of the conveyor (11), and the quicklime discharging, screening and dedusting system has the advantages that: when the quicklime enters the unloading warehouse, the quicklime is screened through the screen plate, so that the quality of the quicklime is improved, dust generated by screening is sequentially purified through the dust remover and the washing tower, the dust emission is reduced, and the working environment in the unloading warehouse is optimized.

Description

Quicklime discharging, screening and dedusting system

Technical Field

The utility model relates to the technical field of lime production, in particular to a quicklime discharging, screening and dedusting system.

Background

At present, quick lime is formed by calcining stone containing calcium carbonate, the calcined quick lime firstly enters a warehouse to be stored and naturally cooled after being discharged from a kiln, and then is loaded and conveyed, meanwhile, lime blocks after being discharged from the kiln contain more scraps and dust, larger dust can be generated when the lime blocks are conveyed into the warehouse, the working environment in the warehouse is seriously influenced, scraps and dust are required to be screened for improving the quality of the quick lime and facilitating transportation, and the existing screening is carried out by a screening machine, so that energy consumption is larger.

Disclosure of Invention

The utility model aims to overcome the defects and provide a quicklime discharging, screening and dedusting system.

The utility model comprises a discharging warehouse, a screening discharging device and a washing tower, wherein the screening discharging device is arranged in the discharging warehouse and comprises a sieve plate arranged on a feeding hole of the discharging warehouse, a conveyor positioned below a discharging end of the sieve plate and a discharging hopper arranged at the discharging end of the conveyor, an ash bucket is arranged at the bottom of the sieve plate, a feeding box is arranged at the top of the feeding end of the sieve plate, a discharging flashboard is arranged at one side of the feeding box, and an ash discharging pipe is rotatably connected to the discharging hole of the discharging hopper;

the dust collectors are arranged in the discharging warehouse, the discharging hopper, the ash hopper and the feeding box are all provided with exhaust ports, and the exhaust ports are communicated with air inlets of the dust collectors respectively through pipelines;

a group of spray pipes, a conical guide cylinder and a sedimentation tank are sequentially arranged in the washing tower from top to bottom, an air inlet communicated with an air outlet of the dust remover is arranged on the washing tower positioned on one side of the conical guide cylinder, an exhaust chimney is arranged at the top of the washing tower, and the spray pipes are communicated with the sedimentation tank through a pump.

The discharge end of the sieve plate is hinged with a discharge slide plate, the discharge end of the discharge slide plate extends out to one side of the conveyor, a discharge slide plate control motor is arranged on the feeding box, and the discharge slide plate control motor controls the discharge slide plate to swing by taking a hinge point as an axle center through a inhaul cable.

And a discharge gate driving cylinder is arranged on a discharge port of the feed box, and the opening and closing of the discharge gate are controlled through the discharge gate driving cylinder.

The ash discharging hopper is provided with an ash discharging pipe control motor, and the ash discharging pipe control motor controls the discharge end of the ash discharging pipe to swing up and down through a inhaul cable.

The diameter of the bottom opening of the conical guide cylinder is smaller than that of the top opening, a gap is arranged between the bottom of the conical guide cylinder and the sedimentation tank, a group of vertical flow dividing plates are annularly arranged on the bottom opening of the conical guide cylinder, and one end of each vertical flow dividing plate extends into the liquid level of each vertical flow dividing plate.

The utility model has the advantages that: when the quicklime enters the unloading warehouse, the quicklime is screened through the screen plate, so that the quality of the quicklime is improved, dust generated by screening is sequentially purified through the dust remover and the washing tower, the dust emission is reduced, and the working environment in the unloading warehouse is optimized.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram of a screening discharge apparatus.

FIG. 3 is a schematic diagram of a scrubber structure.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the drawings, the present utility model comprises a discharge warehouse 2, a screening discharge apparatus 3 and a washing tower 4,

specifically, screening discharge apparatus 3 is installed in unloading warehouse 2, and screening discharge apparatus 3 is including installing the sieve 10 on the feed inlet of unloading warehouse 2, being located the conveyer 11 of sieve 10 discharge end below and installing the discharge hopper 12 at the conveyer 11 discharge end, and the bottom of sieve 10 is equipped with ash bucket 13, and the feed end top of sieve 10 is equipped with feeding case 14, and is equipped with the flashboard 15 of unloading in one side of feeding case 14, rotatable coupling has the ash pipe 16 of unloading on the discharge gate of discharge hopper 12.

The bottom of the feeding box 14 is provided with an opening, the screen plate 10 is used as a bottom plate of the feeding box 14, after quicklime enters the feeding box 14, scraps and dust fall into the ash hopper 13 from the screen plate 10, lime blocks after screening are sorted, the lime blocks after screening are conveyed into the discharge hopper 12 through the conveyor 11, loading is directly carried out through the ash discharging pipe 16, the ash discharging pipe 16 can swing up and down according to the loading progress during loading, the falling height of the quicklime is reduced as much as possible, and the crushing rate and dust are reduced.

The dust remover 43 is arranged in the unloading warehouse 2, and the unloading hopper 12, the ash hopper 13 and the feeding box 14 are all provided with exhaust ports which are communicated with air inlets of the dust remover 43 respectively through pipelines;

the dust remover 43 is a cyclone dust remover, and dust generated in the screening and falling process of lime blocks is collected through the dust remover 43, so that dust in the unloading warehouse 2 is reduced.

The discharge port of the discharge hopper 12 is provided with a telescopic pipe 50 for sealing the joint of the discharge hopper 12 and the ash discharging pipe 16, meanwhile, the ash discharging pipe 16 is arranged in the telescopic pipe 50, a gap is arranged between the telescopic pipe 50 and the ash discharging pipe 16, the telescopic pipe 50 near the discharge port of the ash discharging pipe 16 is provided with a dust removing pipe communicated with the air inlet of the dust remover 43, and when the ash discharging is carried out, the dust generated at the discharge port of the ash discharging pipe 16 can enter the telescopic pipe 50 and be conveyed into the dust remover 43 through the dust removing pipe for collection.

A group of spray pipes 20, a conical guide cylinder 21 and a sedimentation tank 22 are sequentially arranged in the washing tower 4 from top to bottom, an air inlet communicated with an air outlet of the dust remover 43 is arranged on the washing tower 4 positioned on one side of the conical guide cylinder 21, an exhaust chimney 25 is arranged at the top of the washing tower 4, and the spray pipes 20 are communicated with the sedimentation tank 22 through a pump.

The spray pipes 20 are arranged in an upper layer and a lower layer, the spray heads of the spray pipes 20 in the upper layer and the lower layer are staggered, so that the sprayed water can completely cover the whole upper space of the washing tower 4, the exhaust chimney 25 can outwards extract the gas in the washing tower 4 through a chimney effect, the inside of the washing tower 4 is in a negative pressure state, the air flow after dust removal of the dust remover 43 enters the inside of the washing tower 4 and can be quickly discharged upwards, the air flow is mixed with spray water in the discharging process, and dust in the air flow is carried back into the sedimentation tank 22 through the water.

The diameter of the bottom opening of the conical guide cylinder 21 is smaller than that of the top opening, the diameter of the top opening is the same as that of the inner diameter of the washing tower 4, the water sprayed by the spray pipe 20 falls on the conical guide cylinder 21 and a layer of running water is attached to the inner wall of the conical guide cylinder 21 through welding and fixing,

when the gas containing dust enters the washing tower 4, the gas enters from the bottom of the conical guide cylinder 21 and is dispersed to the periphery through the conical guide cylinder 21, part of the dust can be brought into the sedimentation tank 22 through flowing water on the inner wall of the conical guide cylinder 21, the gas can be mixed with sprayed water in the rising process, the dust is mixed into the water and enters the sedimentation tank 22, and the purified gas is discharged through the exhaust chimney 25.

Further, a discharging slide plate 35 is hinged to the discharging end of the screen plate 10, the discharging end of the discharging slide plate 35 extends out to one side of the conveyor 11, a discharging slide plate control motor 36 is arranged on the feeding box 14, and the discharging slide plate control motor 36 controls the discharging slide plate 35 to swing by taking a hinge point as an axle center through a inhaul cable. The unloading slide carriage 35 is lifted upwards in a default state and is blocked in front of the discharging end of the screen plate 10, lime blocks fall onto the conveyor 11 from a gap between the screen plate 10 and the unloading slide carriage 35, loading is carried out through the ash unloading pipe 16, when no loading station exists, the unloading slide carriage 35 is put down, and at the moment, the lime blocks on the screen plate 10 fall into the unloading warehouse 2 on one side of the conveyor 11 through the unloading slide carriage 35 to be stored. The output shaft of the discharging slide control motor 36 is provided with a reel, one end of a guy cable is fixed on the reel, the other end of the guy cable is connected to the discharging end of the discharging slide 35, and the discharging slide 35 is controlled to lift by forward and reverse rotation of the discharging slide control motor 36.

Specifically, a discharge gate driving cylinder 38 is arranged on a discharge port of the feed box 14, and opening and closing of the discharge gate 15 are controlled through the discharge gate driving cylinder 38.

Specifically, the discharge hopper 12 is provided with an ash discharge pipe control motor 40, and the ash discharge pipe control motor 40 controls the discharge end of the ash discharge pipe 16 to swing up and down through a inhaul cable. The output shaft of the ash discharging pipe control motor 40 is provided with a reel, one end of a guy cable is fixed on the reel, the other end of the guy cable is connected with the discharge end of the ash discharging pipe 16, and when the ash discharging pipe is specifically installed, the feed end of the ash discharging pipe 16 is hinged on the discharge port of the ash discharging hopper 12 through a pin shaft, and the front end of the ash discharging pipe 16 can swing up and down so as to be convenient for loading.

Further, the diameter of the bottom opening of the conical guide cylinder 21 is smaller than that of the top opening, a gap is formed between the bottom of the conical guide cylinder 21 and the sedimentation tank 22, a group of vertical flow dividing plates 42 are annularly arranged on the bottom opening of the conical guide cylinder 21, one ends of the vertical flow dividing plates 42 extend into the liquid level of the vertical flow dividing plates 42, a group of vertical flow dividing plates 42 enclose a grid frame, and when dust-containing gas enters the washing tower 4, the dust-containing gas is dispersed through the grid frame so as to be more fully mixed with spray liquid.

Claims

1. The quick lime discharging, screening and dedusting system is characterized by comprising a discharging warehouse (2), a screening discharging device (3) and a washing tower (4), wherein the screening discharging device (3) is arranged in the discharging warehouse (2), the screening discharging device (3) comprises a screen plate (10) arranged on a feeding hole of the discharging warehouse (2), a conveyor (11) positioned below a discharging end of the screen plate (10) and a discharging hopper (12) arranged at the discharging end of the conveyor (11), an ash hopper (13) is arranged at the bottom of the screen plate (10), a feeding box (14) is arranged at the top of the feeding end of the screen plate (10), a discharging flashboard (15) is arranged at one side of the feeding box (14), and an ash discharging pipe (16) is rotatably connected to the discharging hole of the discharging hopper (12);

the dust remover (43) is arranged in the unloading warehouse (2), and exhaust ports are arranged on the unloading hopper (12), the ash hopper (13) and the feeding box (14) and are communicated with air inlets of the dust remover (43) respectively through pipelines;

a group of spray pipes (20), a conical guide cylinder (21) and a sedimentation tank (22) are sequentially arranged in the washing tower (4) from top to bottom, an air inlet communicated with an air outlet of the dust remover (43) is arranged on the washing tower (4) positioned on one side of the conical guide cylinder (21), an exhaust chimney (25) is arranged at the top of the washing tower (4), and the spray pipes (20) are communicated with the sedimentation tank (22) through a pump.

2. The quicklime discharging, screening and dedusting system according to claim 1 is characterized in that a discharging slide plate (35) is hinged at the discharging end of the screen plate (10), the discharging end of the discharging slide plate (35) extends out to one side of the conveyor (11), a discharging slide plate control motor (36) is arranged on the feeding box (14), and the discharging slide plate control motor (36) controls the discharging slide plate (35) to swing by taking a hinge point as an axis through a stay rope.

3. The quicklime discharging, screening and dedusting system as claimed in claim 1, wherein a discharging gate driving cylinder (38) is arranged on a discharging port of the feeding box (14), and opening and closing of the discharging gate (15) are controlled through the discharging gate driving cylinder (38).

4. The quicklime discharging, screening and dedusting system according to claim 1, wherein the discharging hopper (12) is provided with a discharging pipe control motor (40), and the discharging pipe control motor (40) controls the discharging end of the discharging pipe (16) to swing up and down through a inhaul cable.

5. The quicklime discharging, screening and dedusting system according to claim 1, wherein the diameter of the bottom opening of the conical guide cylinder (21) is smaller than that of the top opening, a gap is arranged between the bottom of the conical guide cylinder (21) and the sedimentation tank (22), a group of vertical flow dividing plates (42) are annularly arranged on the bottom opening of the conical guide cylinder (21), and one end of each vertical flow dividing plate (42) extends into the liquid level of each vertical flow dividing plate (42).