CN219160938U

CN219160938U - Energy-saving glaze firing roller kiln

Info

Publication number: CN219160938U
Application number: CN202220265347.9U
Authority: CN
Inventors: 赵伟; 叶小青
Original assignee: Ganzhou Yijiaxing Ceramics Co ltd
Current assignee: Ganzhou Yijiaxing Ceramics Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2023-06-09
Anticipated expiration: 2032-02-09

Abstract

The utility model relates to an energy-saving glaze firing roller kiln in the technical field of ceramic production equipment, which comprises a roller kiln body, wherein a conveying roller is arranged in the roller kiln body, and the interior of the roller kiln body is sequentially divided into a preheating zone, a heating zone and a cooling zone along the conveying direction of the conveying roller; the bottom of the roller kiln body corresponding to the heating zone is provided with a combustion chamber, the inner wall of the heating zone of the roller kiln body is provided with a gas distribution chamber, a plurality of jet heads are communicated with the gas distribution chamber, the gas distribution chamber is communicated with the gas outlet holes of the combustion chamber through a gas guide pipe, and the cooling zone is communicated with the preheating zone through a gas extraction pipe. The utility model has simple and reasonable structure, low cost and high effect; the heat of the cooling zone can be recycled, and the ceramics in the preheating zone are preheated, so that the waste of heat is avoided, and the energy-saving effect is achieved; the arrangement of the air distribution chamber and the air jet head improves the uniformity of heat distribution of the heating area, can uniformly and efficiently fire ceramics, and further improves the firing effect.

Description

Energy-saving glaze firing roller kiln

Technical Field

The utility model relates to the technical field of ceramic production equipment, in particular to an energy-saving glaze firing roller kiln.

Background

The roller kiln is also called roller kiln, mainly used for producing ceramic building materials such as ceramic tiles, etc., is a continuously firing kiln, uses rotating rollers as tunnel kiln of a blank carrier, ceramic products are placed on a plurality of horizontal refractory rollers with very close intervals, and the ceramic is transmitted from kiln head to kiln tail by virtue of the rotation of the rollers, so the roller kiln is called, and the conventional rail kiln has various problems when ceramic floor tiles are fired, such as a large amount of heat loss in the firing process, energy waste is caused, the firing time is prolonged, and the ceramic is heated unevenly on a transmission roller in the firing process, thereby influencing the firing effect.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an energy-saving glaze firing roller kiln which comprises a roller kiln body, wherein a conveying roller is arranged in the roller kiln body, and the interior of the roller kiln body is sequentially divided into a preheating zone, a heating zone and a cooling zone along the conveying direction of the conveying roller; the roller kiln comprises a roller kiln body, and is characterized in that a combustion chamber is arranged at the bottom of the roller kiln body corresponding to the heating zone, an air inlet pipe, a fuel inlet pipe and an air outlet hole are arranged on the combustion chamber, air distribution chambers are arranged on the inner wall of the heating zone of the roller kiln body, a plurality of air jet heads are communicated with the air distribution chambers, the air jet directions of the air jet heads face towards a conveying roller, the air distribution chambers are communicated with the air outlet hole of the combustion chamber through air guide pipes, an exhaust pipe is arranged in the cooling zone, the other end of the exhaust pipe is communicated with a preheating zone, and an air pump is arranged on the exhaust pipe.

Preferably, the air distribution chamber is made of a heat conducting material, and a through hole is arranged between the air distribution chamber below the conveying roller and the combustion chamber. The heat loss is reduced.

Preferably, the jet heads on the two side walls of the heating area are distributed in a staggered way from left to right and from top to bottom, so that the temperature distribution of the heating area is more uniform, and the firing effect is improved.

Preferably, the jet heads on the top inner wall and the bottom inner wall of the heating zone are distributed in a staggered manner, so that the temperature distribution of the heating zone is more uniform, and the firing effect is further improved.

The utility model also comprises other components which can ensure that the energy-saving glaze firing roller kiln can be normally used, such as a driving component for controlling the rotation of a conveying roller, a control component of an air pump, a control component of a jet head and the like, which are all conventional technical means in the field. In addition, the undefined devices or components of the present utility model are conventional in the art, such as conveyor rollers, jet heads, etc.

The ceramic enters the roller kiln body under the action of the conveying roller, at the moment, the combustion chamber is filled with fuel and oxygen, the fuel combusts to generate heat, hot air enters each air distribution chamber through the air outlet holes and the air guide pipes, the ceramic sequentially passes through the preheating zone, the heating zone and the cooling zone, and the exhaust pipe is used for exhausting and spraying the hot air of the cooling zone in the preheating zone to preheat the ceramic through the preheating zone, so that the waste of heat is reduced, and the firing efficiency is further improved; the preheated ceramic is conveyed to a heating area, and hot air is sprayed to the ceramic direction by air spraying heads of air distribution chambers on the upper, lower, left and right of the heating area, so that the heat distribution of the heating area is more uniform, the heating effect and the firing efficiency are improved, and the fired ceramic is conveyed to a cooling area to be cooled and then conveyed out by a conveying roller.

The utility model has the beneficial effects of simple and reasonable structure, low cost and high effect; the heat of the cooling zone can be recycled, and the ceramics in the preheating zone are preheated, so that not only is the waste of heat avoided, but also the energy-saving effect is achieved, and the firing efficiency and the firing effect are improved; the arrangement of the air distribution chamber and the air jet head on each side wall of the heating zone improves the uniformity of heat distribution of the heating zone, can uniformly and efficiently fire ceramics, and further improves the firing effect; each part is mutually matched, so that the firing efficiency and effect of the ceramic are improved, and the quality of the ceramic is improved.

Drawings

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

FIG. 1 is a schematic diagram of an energy-saving glaze firing roller kiln in an embodiment of the utility model;

fig. 2 is a view from A-A in fig. 1.

In the figure: 1. roller kiln body 2, preheating zone 3, heating zone 4, cooling zone 5, exhaust pipe 6, air pump 7, transfer roller 8, air distribution chamber 9, jet head 10, combustion chamber 11, air inlet pipe 12, air duct 13, fuel inlet pipe 14, through hole 15, air outlet hole.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.

Examples

As shown in fig. 1-2, the utility model provides an energy-saving glaze firing roller kiln, which comprises a roller kiln body 1, wherein a conveying roller 7 is arranged in the roller kiln body 1, and the interior of the roller kiln body 1 is sequentially divided into a preheating zone 2, a heating zone 3 and a cooling zone 4 along the conveying direction of the conveying roller 7; the roller kiln comprises a roller kiln body 1, a heating zone 3 and a preheating zone 2, wherein the bottom of the roller kiln body 1 corresponding to the heating zone 3 is provided with a combustion chamber 10, an air inlet pipe 11, a fuel inlet pipe 13 and an air outlet hole 12 are arranged on the combustion chamber 10, air distribution chambers 8 are all arranged on the inner wall of the heating zone 3 of the roller kiln body 1, a plurality of air jet heads 9 are communicated with the air distribution chambers 8, the air jet directions of the air jet heads 9 face towards a conveying roller 7, the air distribution chambers 8 are communicated with the air outlet hole 15 of the combustion chamber 10 through an air guide pipe 12, an exhaust pipe 5 is arranged in the cooling zone 4, the other end of the exhaust pipe 5 is communicated with the preheating zone 2, and an air pump 6 is arranged on the exhaust pipe 5.

The air distribution chamber 8 is made of a heat conducting material, and a through hole 14 is arranged between the air distribution chamber 8 below the conveying roller 7 and the combustion chamber 10. The heat loss is reduced.

The jet heads 9 on the two side walls of the heating zone 3 are distributed in a staggered way from left to right and from top to bottom, so that the temperature distribution of the heating zone 3 is more uniform, and the firing effect is improved.

The jet heads 9 on the top inner wall and the bottom inner wall of the heating zone 3 are distributed in a staggered manner, so that the temperature distribution of the heating zone 3 is more uniform, and the firing effect is further improved.

When the ceramic kiln works, ceramics enter the roller kiln body 1 under the action of the conveying roller 7, at the moment, the combustion chamber 10 is filled with fuel and oxygen, the fuel combusts to generate heat, hot air enters each air distribution chamber 8 through the air outlet holes 15 and the air guide pipes 12, the ceramics sequentially pass through the preheating zone 2, the heating zone 3 and the cooling zone 4, and when the ceramics pass through the preheating zone 2, the exhaust pipe 5 pumps and sprays the hot air of the cooling zone 4 in the preheating zone 2 to preheat the ceramics, so that the waste of heat is reduced, and the firing efficiency is further improved; the preheated ceramic is conveyed to the heating zone 3, and hot air is sprayed to the ceramic direction by the air jet heads 9 of the air distribution chambers 8 on the upper, lower, left and right sides of the heating zone 3, so that the heat distribution of the heating zone 3 is more uniform, the heating effect and the firing efficiency are improved, and the fired ceramic is conveyed to the cooling zone 4 for cooling and then is conveyed out by the conveying rollers 7.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an energy-conserving glaze firing roller kiln, includes the roller kiln body, is equipped with the transfer roller in the roller kiln body, its characterized in that: the interior of the roller kiln body is sequentially divided into a preheating zone, a heating zone and a cooling zone along the conveying direction of the conveying roller; the roller kiln comprises a roller kiln body, and is characterized in that a combustion chamber is arranged at the bottom of the roller kiln body corresponding to the heating zone, an air inlet pipe, a fuel inlet pipe and an air outlet hole are arranged on the combustion chamber, air distribution chambers are arranged on the inner wall of the heating zone of the roller kiln body, a plurality of air jet heads are communicated with the air distribution chambers, the air jet directions of the air jet heads face towards a conveying roller, the air distribution chambers are communicated with the air outlet hole of the combustion chamber through air guide pipes, an exhaust pipe is arranged in the cooling zone, the other end of the exhaust pipe is communicated with a preheating zone, and an air pump is arranged on the exhaust pipe.

2. An energy-saving glaze firing roller kiln according to claim 1, characterized in that: the air distribution chamber is made of heat conducting materials, and a through hole is arranged between the air distribution chamber below the conveying roller and the combustion chamber.

3. An energy-saving glaze firing roller kiln according to claim 1, characterized in that: the jet heads on the two side walls of the heating area are distributed in a staggered way from left to right and from top to bottom.

4. An energy-saving glaze firing roller kiln according to claim 1, characterized in that: the jet heads on the top inner wall and the bottom inner wall of the heating zone are distributed in a staggered mode.