CN219278933U

CN219278933U - Lime kiln ejection of compact dust pelletizing system

Info

Publication number: CN219278933U
Application number: CN202320142012.2U
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: 2023-06-30
Anticipated expiration: 2033-02-07

Abstract

The utility model provides a lime kiln ejection of compact dust pelletizing system, including cooling conveyor (1), unloading warehouse (2) and scrubbing tower (4), cooling conveyor (1) are including being used for intercommunication kiln discharge gate and conveyer (5) of unloading warehouse (2) feed inlet, and be used for carrying out cooling fan (6) to the lime on conveyer (5), be equipped with cooling dust cover (7) on conveyer (5), the top of cooling dust cover (7) is the inclined plane that is close to unloading warehouse (2) one end height, the gas outlet of cooling fan (6) communicates with each other in cooling dust cover (7) that is close to kiln discharge gate one end; the utility model has the advantages that: when the lime block is conveyed on the conveyor, the lime block is cooled through the cooling fan and the cooling dust cover, so that the temperature in the unloading warehouse can be effectively reduced, meanwhile, the lime block is screened once in the conveying process, and generated dust gas is discharged after passing through the washing tower to optimize the working environment in the unloading warehouse.

Description

Lime kiln ejection of compact dust pelletizing system

Technical Field

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

Background

At present, quick lime is formed by calcining stone containing calcium carbonate, the calcined quick lime has higher temperature when being discharged from a kiln and cannot be directly loaded, and the quick lime needs to be firstly stored in a warehouse for natural cooling and then loaded for transportation, so that the temperature in the warehouse is higher, meanwhile, lime blocks discharged from the kiln contain more chips and dust, larger dust can be generated when the lime blocks are transported to the warehouse, and the working environment in the warehouse is seriously influenced.

Disclosure of Invention

The utility model aims at overcoming the defects and provides a discharging and dedusting system of a lime kiln.

The utility model comprises a cooling conveying device, a discharging warehouse and a washing tower,

the cooling conveying device comprises a conveyor used for communicating a kiln discharge hole with a discharge warehouse feed hole and a cooling fan used for cooling lime on the conveyor, a cooling dust cover is arranged on the conveyor, the top of the cooling dust cover is an inclined plane which is close to one end of the discharge warehouse, and an air outlet of the cooling fan is communicated with the inside of the cooling dust cover which is close to one end of the kiln discharge hole;

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 a cooling dust cover 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 conveyor is a metal mesh belt conveyor, and the discharge end of the conveyor is higher than the feed end.

An air pipe communicated with the air outlet of the cooling fan is transversely arranged in the cooling dust cover at the feeding end of the conveyor, a plurality of groups of air outlets with downward openings are arranged on the air pipe, and the length of the air pipe is not less than the width of a conveying belt of the conveyor.

The cooling dust cover is formed by welding metal corrugated plates, dust cleaning openings are formed in two sides of the cooling dust cover, and sealing doors are arranged on the dust cleaning openings.

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.

A dust remover is arranged between the air inlet of the washing tower and the air outlet of the cooling dust cover.

The utility model has the advantages that: when the lime block is conveyed on the conveyor, the lime block is cooled through the cooling fan and the cooling dust cover, so that the temperature in the unloading warehouse can be effectively reduced, meanwhile, the lime block is screened once in the conveying process, and generated dust gas is discharged after passing through the washing tower to optimize the working environment in the unloading warehouse.

Drawings

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

Fig. 2 is a schematic view of the structure of the cooling conveyor.

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 includes a cooling conveyor 1, a discharge warehouse 2 and a scrubber tower 4,

the cooling and conveying device 1 is used for conveying the quicklime after kiln discharge into the discharging warehouse 2, cooling and dedusting the quicklime in the conveying process, and the washing tower 4 is used for washing and purifying dust generated in the conveying process.

Specifically, the cooling conveying device 1 comprises a conveyor 5 used for communicating a kiln discharge hole and a feed inlet of the discharge warehouse 2, and a cooling fan 6 used for cooling lime on the conveyor 5, wherein the conveyor 5 is provided with a cooling dust cover 7, the top of the cooling dust cover 7 is a high inclined plane close to one end of the discharge warehouse 2, and the air outlet of the cooling fan 6 is communicated with the cooling dust cover 7 close to one end of the kiln discharge hole.

The length of conveyer 5 is 80-100 meters, the quick lime of being convenient for in the transportation process can abundant heat dissipation cooling, the top of cooling dust cover 7 is the inclined plane that is close to the warehouse 2 one end height of unloading, when high temperature quick lime enters into in the cooling dust cover 7, cooling fan 6 carries out the jetting cooling to quick lime in the cooling dust cover 7 to the cold air of external world, produced high temperature unrestrained principle that utilizes hot air to rise, the high temperature gas can flow to the higher one end of cooling dust cover 7, the hot air can dispel the heat at the higher one end of cooling dust cover 7, the temperature of further reduction quick lime of hot air.

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 the cooling dust cover 7 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, and the exhaust chimney 25 can be used for pumping out the gas in the washing tower 4 through the chimney effect, so that the inside of the washing tower 4 is in a negative pressure state, and hot air in the dust cover 7 can be cooled conveniently and quickly enter the washing tower 4.

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.

Preferably, the conveyor 5 is a metal mesh belt conveyor, and small scraps and dust are leaked from meshes to screen when lime blocks are conveyed on the metal mesh belt conveyor; the discharge end of conveyer 5 is higher than the feed end, is the slope form, and conveyer 5 is carrying lime piece when carrying to the discharge end, also carries out the steam flow direction discharge end direction simultaneously, is equipped with the clearance between conveyer 5 and the cooling dust cover 7 bottom during the installation for deposit piece and dust that leaks down, the staff regularly clear up piece and dust.

Further, an air pipe 30 communicated with the air outlet of the cooling fan 6 is transversely arranged in the cooling dust cover 7 at the feeding end of the conveyor 5, a plurality of groups of air outlets with downward openings are arranged on the air pipe 30, and the length of the air pipe 30 is not less than the width of a conveying belt of the conveyor 5. The cooling fan 6 introduces external air into the cooling dust cover 7 through the air pipe 30, and air-cools the lime blocks on the feeding end of the conveyor 5, so as to reduce the temperature of the lime blocks.

Specifically, cooling dust cover 7 is formed by the welding of metal corrugated plate, and metal corrugated plate can be used as the heating panel, and the heat energy that can be quick in the cooling dust cover 7 gives off, and the both sides of cooling dust cover 7 all are equipped with the deashing mouth, and are equipped with sealing door on the deashing mouth, and the deashing mouth is used for the staff to get into the inside dust of clearance.

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.

Further, a dust remover 45 is arranged between the air inlet of the washing tower 4 and the air outlet of the cooling dust cover 7, the dust remover 45 is a cloth bag dust remover, dust and gas discharged from the cooling dust cover 7 are filtered through the dust remover 45, and the gas enters the washing tower 4 for further purification.

Claims

1. A lime kiln discharging and dedusting system is characterized by comprising a cooling and conveying device (1), a discharging warehouse (2) and a washing tower (4),

the cooling conveying device (1) comprises a conveyor (5) used for communicating a kiln discharge hole and a feed inlet of the discharge warehouse (2), and a cooling fan (6) used for cooling lime on the conveyor (5), wherein the conveyor (5) is provided with a cooling dust cover (7), the top of the cooling dust cover (7) is an inclined plane which is close to one end of the discharge warehouse (2) and is high, and an air outlet of the cooling fan (6) is communicated with the inside of the cooling dust cover (7) which is close to one end of the kiln discharge hole;

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 the cooling dust cover (7) 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 interior of the sedimentation tank (22) through a pump.

2. The lime kiln discharging dust removing system according to claim 1, wherein the conveyor (5) is a metal mesh belt conveyor, and a discharging end of the conveyor (5) is higher than a feeding end.

3. The lime kiln discharging dust removing system according to claim 1, characterized in that an air pipe (30) communicated with the air outlet of the cooling fan (6) is transversely arranged in the cooling dust cover (7) at the feeding end of the conveyor (5), a plurality of groups of air outlets with downward openings are arranged on the air pipe (30), and the length of the air pipe (30) is not smaller than the width of a conveying belt of the conveyor (5).

4. The lime kiln discharging dust removing system according to claim 1, characterized in that the cooling dust cover (7) is formed by welding metal corrugated plates, dust removing openings are formed in two sides of the cooling dust cover (7), and sealing doors are arranged on the dust removing openings.

5. The lime kiln dust removal 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).

6. The lime kiln discharging dust removing system according to claim 1, characterized in that a dust remover (45) is arranged between the air inlet of the washing tower (4) and the air outlet of the cooling dust cover (7).