CN215261106U

CN215261106U - Combustion mechanism of large-volume continuous energy-saving environment-friendly shaft kiln

Info

Publication number: CN215261106U
Application number: CN202121347504.2U
Authority: CN
Inventors: 冯贵林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-21
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a burning mechanism of energy-concerving and environment-protective shaft kiln of big volume continuous type, including the burning storehouse, seted up the inner chamber in the burning storehouse, and the feed inlet and the discharge gate that are linked together with the inner chamber are seted up respectively at both ends about the burning storehouse, have seted up fire inlet and air inlet in the burning storehouse lateral wall respectively. The utility model discloses set up eight fire inlets that circumference equidistance distributes in shaft kiln combustion chamber four walls, correspond setting up burning burner and combustion chamber outside in the combustion chamber, utilize burning burner to provide the naked light for the combustion chamber, so as to carry out more deep abundant calcination to bulky mineral aggregate; through seting up the air inlet at combustion chamber lower extreme position, utilize the air inlet to connect the intake pipe that is linked together with the shaft kiln ejection of compact storehouse, for the combustion chamber provides more sufficient oxygen, guarantee that the gas can carry out the burning of higher degree, utilize and set up the year material otter board of punishment in advance through-hole perpendicularly in order to bear the weight of the mineral aggregate for the comprehensive thermally equivalent of ore material, thereby protect abundant division.

Description

Combustion mechanism of large-volume continuous energy-saving environment-friendly shaft kiln

Technical Field

The utility model relates to a mineral aggregate decomposes technical field, especially relates to a burning mechanism of energy-concerving and environment-protective shaft kiln of big volume continuous type.

Background

Because of the production and manufacturing requirements, at present, many high and large-volume kilns, such as a lime kiln, including a kiln body, an automatic feeding machine, a kiln top distributing machine, a kiln bottom automatic ash discharging machine and a desulfurization dust remover communicated with a kiln top smoke outlet pipe can still be seen in some industrial parks, although the kilns have large volume and many internal storage amounts, the calcining effect of a combustion bin has great limitation because the kiln structure is simple and single.

The mode that traditional kiln adopted the single face to advance fire in the aspect of the burning more, and the combustion chamber inner space is great, and the intensity of a fire of unidirectional direction is less, is difficult to calcine all mineral aggregates in the combustion chamber for the kiln calcines the inefficiency extremely lowly, not only makes the utilization ratio of fuel limited, and often can cause the not up to standard not thorough of burning forging, thereby leads to the mineral aggregate not the thermally equivalent split, just can't obtain up to standard mineral aggregate resource yet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that mineral aggregate is difficult to be subjected to pyrolysis in the prior art, and providing a combustion mechanism of a large-volume continuous energy-saving environment-friendly shaft kiln.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a burning mechanism of energy-concerving and environment-protective shaft kiln of big volume continuous type, includes the burning storehouse, set up the inner chamber in the burning storehouse, and the feeding port and the discharge gate that are linked together with the inner chamber are seted up respectively to both ends about the burning storehouse, seted up fire inlet and air inlet in the burning storehouse lateral wall respectively, and the burning storehouse external fixation is provided with the gas supply ware, an organic whole is connected with the burning burner that extends to in the fire inlet on the gas supply ware, an organic whole is connected with hollow structure's combustion chamber on the burning storehouse inner wall, and has seted up opening and fire outlet in the combustion chamber respectively, the burning storehouse external fixation is provided with the intake pipe that extends to in the air inlet, the burning storehouse internal fixation is provided with carries the material otter board, and carries evenly to have seted up the punishment in the material otter board and expect the through-hole.

Preferably, the combustion chamber is the square body structure of perpendicular setting, the combustion chamber is connected with the shaft kiln through the feed inlet and goes into the feed bin, and the combustion chamber is connected with shaft kiln cooling bin through the discharge gate.

Preferably, the number of the fire inlets and the number of the air inlets are eight and two respectively, the eight fire inlets are located in the side walls of the four sides of the combustion chamber respectively, the two air inlets are located in the side walls of the two sides of the combustion chamber respectively, the number of the combustion chambers is four, and the four combustion chambers are circumferentially distributed on the inner walls of the four sides of the inner cavity.

Preferably, the fire inlet is located the air inlet top position, and advances fire inlet and air inlet and all be linked together with the inner chamber.

Preferably, the burning nozzle is linked together with the combustion chamber through advancing the burner, and the intake pipe extends to the lower opening below position of combustion chamber through the air inlet, the lower extreme that the air inlet was kept away from to the intake pipe is connected with the shaft kiln and goes out the feed bin.

Preferably, the material loading screen plate is horizontally arranged in the upper end of the inner cavity, and four locking holes are uniformly formed in the material loading screen plate.

Preferably, the material loading screen plate is fixed in the upper ends of the four combustion chambers through locking screws arranged in the locking holes, and the material passing through holes are vertically formed.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses shaft kiln combustion chamber setting up the square structure to open eight of circumference equidistance distribution in the combustion chamber four walls and advance the burner, correspond in the combustion chamber outside and set up burning burner and combustion chamber, utilize the burning burner to provide naked light for the combustion chamber, utilize the eight holes on four sides mode of advancing, so that carry out more deep abundant calcination to the bulky mineral aggregate in the inner chamber.

2. The utility model discloses set up the air inlet in combustion chamber lower extreme position, utilize the air inlet to connect the intake pipe that is linked together with the shaft kiln ejection of compact storehouse, for the combustion chamber provides more sufficient oxygen, guarantee that the gas can carry out higher degree's burning, and simultaneously, under bigger combustion area's guarantee effect, make the ore can thermally equivalent in the combustion chamber, thereby improve product quality, recycle and set up the year material otter board of punishment through-hole perpendicularly in order to bear the weight of the mineral aggregate, guarantee that the heated split of mineral aggregate is more abundant.

To sum up, the utility model discloses set up eight fire inlets that circumference equidistance distributes in shaft kiln combustion chamber four walls, correspond to setting up burning burner and combustion chamber outside in the combustion chamber, utilize burning burner to provide the naked light for the combustion chamber, utilize the eight hole fire feeding ways on four sides, so as to carry out more deep abundant calcination to bulky mineral aggregate; through seting up the air inlet at combustion chamber lower extreme position, utilize the air inlet to connect the intake pipe that is linked together with the shaft kiln ejection of compact storehouse, for the combustion chamber provides more sufficient oxygen, guarantee that the gas can carry out the burning of higher degree, utilize and set up the year material otter board of punishment in advance through-hole perpendicularly in order to bear the weight of the mineral aggregate for the comprehensive thermally equivalent of ore material, thereby protect abundant division.

Drawings

FIG. 1 is a schematic structural view of a combustion mechanism of a large-volume continuous energy-saving environment-friendly shaft kiln provided by the present invention;

FIG. 2 is a sectional view of a combustion mechanism of a large-volume continuous energy-saving environment-friendly shaft kiln provided by the utility model;

FIG. 3 is a top view of a combustion mechanism of the large-volume continuous energy-saving environmental-friendly shaft kiln provided by the present invention;

fig. 4 is a bottom view of the combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln provided by the utility model.

In the figure: 1 combustion chamber, 2 inner chambers, 3 feed inlets, 4 discharge outlets, 5 fire inlets, 6 air inlets, 7 gas supplies, 8 combustion nozzles, 9 combustion chambers, 10 lower ports, 11 fire outlets, 12 air inlet pipes, 13 material carrying screen plates, 14 locking holes and 15 material passing through holes.

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.

Referring to fig. 1-4, a combustion mechanism of a large-volume continuous energy-saving environment-friendly shaft kiln, which is described above, includes four parts: the vertical kiln comprises a combustion bin 1, a cooling bin and a discharge bin, wherein the combustion bin 1 is used as an important component of a vertical kiln and mainly used for carrying out high-temperature calcination on mineral aggregate so as to split the mineral aggregate in the high-temperature heating process, the combustion bin 1 comprises an inner cavity 2 arranged in the combustion bin 1, the inner cavity 2 is arranged according to the shape structure of the combustion bin 1, the upper end and the lower end of the combustion bin 1 are respectively provided with a feed inlet 3 and a discharge outlet 4 which are communicated with the inner cavity 2, large mineral aggregate enters the inner cavity 2 through the feed inlet 3, the split small mineral aggregate is discharged out of the inner cavity 2 through the discharge outlet 4, the side wall of the combustion bin 1 is respectively provided with a fire inlet 5 and an air inlet 6, a gas supply device 7 is fixedly arranged outside the combustion bin 1, the gas supply device 7 is integrally connected with a combustion burner 8 extending into the fire inlet 5, and the gas supply device 7 can be used for supplying continuous gas to the combustion burner 8, in order to guarantee that burning nozzle 8 can provide naked light for combustion chamber 9, an organic whole is connected with hollow structure's combustion chamber 9 on 1 inner wall in combustion chamber, and opening 10 and fire outlet 11 have been seted up down respectively in the combustion chamber 9, 1 external fixation in combustion chamber is provided with the intake pipe 12 that extends to in the air inlet 6, 1 internal fixation in combustion chamber is provided with year material otter board 13, and evenly seted up punishment through-hole 15 in year material otter board 13, it explains to need, utilize to carry material otter board 13 to support the bold mineral aggregate that gets into in inner chamber 2, make the mineral aggregate on the year material otter board 13 can be under the thermally equivalent state of tiling.

Furthermore, the length, width and depth of the combustion nozzle 8 are 400mm, and the length, width and depth of the combustion chamber 9 are 1200mm 1600mm 720mm, and the combustion nozzle is built by adopting first-grade high-aluminum refractory bricks, has the property of fire resistance and high temperature resistance, and is beneficial to prolonging the service life of the combustion chamber 9.

Burning compartment 1 is the square body structure of perpendicular setting, burning compartment 1 is connected with the shaft kiln through feed inlet 3 and goes into the feed bin for accept the bold mineral aggregate after the broken preheating in pan feeding storehouse, and burning compartment 1 is connected with shaft kiln cooling bin through discharge gate 4, be provided with the fan in the cooling bin, utilize the fan can provide more wind-force and oxygen for burning compartment 1, in order to guarantee that the gas in burning compartment 1 can carry out the burning of higher degree, in order to carry out more abundant calcination to the mineral aggregate.

Referring to the attached drawing 1 of the specification specifically, the number of the fire inlets 5 and the number of the air inlets 6 are eight and two respectively, the eight fire inlets 5 are located in the four side walls of the combustion chamber 1 respectively, the two air inlets 6 are located in the two side walls of the combustion chamber 1 respectively, the number of the combustion chambers 9 is four, and the four combustion chambers 9 are circumferentially distributed on the four side inner walls of the inner cavity 2.

Advance burner 5 and be located 6 top positions of air inlet, and advance burner 5 and air inlet 6 and all be linked together with inner chamber 2, utilize the oxygen that gets into in the inner chamber 2 can make the gas in the combustion chamber 9 carry out more abundant burning to guarantee the exuberant of intensity of a fire, thereby highly calcine the mineral aggregate.

Burning nozzle 8 is linked together with combustion chamber 9 through advancing burner 5, and intake pipe 12 extends to the lower opening 10 below position of combustion chamber 9 through air inlet 6, intake pipe 12 is kept away from the lower extreme of air inlet 6 and is connected with the shaft kiln and goes out the feed bin, utilize burning nozzle 8 can make four combustion chambers 9 burn simultaneously and produce the naked light, calcine the mineral aggregate from four directions, and wind-force supply oxygen gets into, promote the combustion rate of gas, carry out higher level calcination to the mineral aggregate.

The material carrying screen plate 13 is horizontally arranged in the upper end of the inner cavity 2, and four locking holes 14 are uniformly formed in the material carrying screen plate 13 so as to facilitate the disassembly and assembly operation of the material carrying screen plate 13.

The material loading screen plate 13 is fixed in the upper ends of the four combustion chambers 9 through locking screws arranged in the locking holes 14, the material passing through holes 15 are vertically formed, mineral materials are continuously heated in a high-temperature state to realize splitting and reducing, and material discharging is realized through the material passing through holes 15.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

a shaft kiln feeding bin supplies large mineral aggregates into an inner cavity 2 of a combustion bin 1 through a feeding hole 3, and the large mineral aggregates are positioned on a material carrying screen plate 13;

the gas supplier 7 supplies gas to the combustion nozzles 8, the eight combustion nozzles 8 supply open fire to the four combustion chambers 9 through the fire inlets 5, the inner chamber 2 can realize high-temperature combustion in four directions, and the open fire in the combustion chambers 9 carries out high-temperature combustion on large mineral aggregates on the material carrying screen plate 13 through the fire outlets 11;

in the process, redundant wind power and oxygen in the discharging bin enter the inner cavity 2 through the air inlet pipe 12 and the air inlet 6 and then enter the combustion chamber 9 through the lower through hole 10, so that the combustion level is improved, and the large ore materials are ensured to be more sufficiently combusted and roasted;

the large mineral aggregate is rapidly split at a high temperature to form a split block with a smaller volume, the split block moves into the lower end of the inner cavity 2 through the material through hole 15, and the split block enters the cooling bin through the discharge hole 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln comprises a combustion bin (1) and is characterized in that an inner cavity (2) is formed in the combustion bin (1), a feed inlet (3) and a discharge outlet (4) which are communicated with the inner cavity (2) are respectively formed in the upper end and the lower end of the combustion bin (1), a fire inlet (5) and an air inlet (6) are respectively formed in the side wall of the combustion bin (1), a gas supplier (7) is fixedly arranged outside the combustion bin (1), a combustion burner (8) extending into the fire inlet (5) is integrally connected onto the gas supplier (7), a combustion chamber (9) of a hollow structure is integrally connected onto the inner wall of the combustion bin (1), a lower through hole (10) and a fire outlet hole (11) are respectively formed in the combustion chamber (9), and an air inlet pipe (12) extending into the air inlet (6) is fixedly arranged outside the combustion bin (1), the combustion bin (1) is internally and fixedly provided with a material carrying screen plate (13), and material passing through holes (15) are uniformly formed in the material carrying screen plate (13).

2. The combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln as claimed in claim 1, wherein the combustion chamber (1) is of a vertically-arranged square structure, the combustion chamber (1) is connected with a shaft kiln feeding bin through a feeding port (3), and the combustion chamber (1) is connected with a shaft kiln cooling bin through a discharging port (4).

3. The combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln as claimed in claim 2, wherein the number of the fire inlets (5) and the number of the air inlets (6) are respectively eight and two, the eight fire inlets (5) are respectively located in the four side walls of the combustion chamber (1), the two air inlets (6) are respectively located in the two side walls of the combustion chamber (1), the number of the combustion chambers (9) is four, and the four combustion chambers (9) are circumferentially distributed on the inner walls of the four sides of the inner cavity (2).

4. The combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln as claimed in claim 3, wherein the fire inlet (5) is positioned above the air inlet (6), and the fire inlet (5) and the air inlet (6) are both communicated with the inner cavity (2).

5. The combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln as claimed in claim 4, wherein the combustion burner (8) is communicated with the combustion chamber (9) through a burner inlet (5), an air inlet pipe (12) extends to a position below a lower port (10) of the combustion chamber (9) through the air inlet (6), and a shaft kiln discharging bin is connected to the lower end of the air inlet pipe (12) far away from the air inlet (6).

6. The combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln as claimed in claim 4, wherein the material carrying screen plate (13) is horizontally arranged in the upper end of the inner cavity (2), and four locking holes (14) are uniformly arranged in the material carrying screen plate (13).

7. The combustion mechanism of the large-volume continuous energy-saving environment-friendly shaft kiln as claimed in claim 6, wherein the material carrying screen plate (13) is fixed in the upper ends of the four combustion chambers (9) through locking screws arranged in locking holes (14), and the material passing through holes (15) are vertically opened.