CN213020929U

CN213020929U - Firing kiln for firing antique blue bricks by internal combustion

Info

Publication number: CN213020929U
Application number: CN202021663518.0U
Authority: CN
Inventors: 陈胜炎
Original assignee: Guangxi Rongxian Shunyao Antique Building Ceramic Co ltd
Current assignee: Guangxi Rongxian Shunyao Antique Building Ceramic Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-20
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a firing kiln of archaize blue brick is fired to internal combustion belongs to the blue brick firing kiln modelled after an antique, solves the tradition and fires the low and with high costs problem of kiln energy utilization rate. The firing kiln comprises a tunnel kiln, wherein a drying area, a sintering area, a reducing area and a cooling area are sequentially arranged in the tunnel kiln, cooling belts are arranged on the outer walls of the reducing area and the cooling area, an air drainage assembly is arranged between the cooling belts and the drying area, and a water vapor drainage assembly is arranged between the sintering area and the reducing area. The utility model discloses a firing kiln of archaize blue brick is fired to internal combustion, the reasonable energy that has utilized has further reduced manufacturing cost, improves production efficiency.

Description

Firing kiln for firing antique blue bricks by internal combustion

Technical Field

The utility model relates to a kiln is fired to blue or green brick modelled after an antique, more specifically says, it relates to a kiln is fired that archaize blue or green brick is fired to internal combustion.

Background

The archaized blue brick is widely applied to occasions such as archaized buildings, villas and the like, the main raw material of the archaized blue brick is clay which is formed after being fired, and the archaized blue brick belongs to a baked brick. The traditional antique blue brick firing method mainly comprises the firing by an external combustion method, and comprises the steps of feeding green bricks into a tunnel kiln by adopting the tunnel kiln, drying, carrying out aerobic sintering by utilizing coal gas, carrying out anaerobic reduction by utilizing the coal gas, and finally cooling and discharging. At present, the firing kiln that the process was fired to archaize blue brick, energy utilization is not enough, leads to the cost to rise to adopt natural cooling's mode, cooling rate is slow, is unfavorable for the rapid development of enterprise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a firing kiln of archaizing blue brick is fired to internal combustion, the reasonable energy that has utilized has further reduced manufacturing cost, improves production efficiency.

The technical scheme of the utility model as follows: the utility model provides a firing kiln of archaize blue brick is fired to internal combustion, includes the tunnel cave, the tunnel cave in be equipped with stoving region, sintering region, reduction region and cooling zone in proper order, reduction region, cooling zone outer wall be equipped with the cooling zone, cooling zone and stoving region between be equipped with the air drainage subassembly, sintering region and reduction region between be equipped with the steam drainage subassembly.

Further, the cooling zone include heat-conducting plate and heat preservation shell, the heat-conducting plate cover at reduction zone, cooling zone's top, the heat preservation shell cover at the top of heat-conducting plate, just heat preservation shell and heat-conducting plate between be equipped with the air chamber, the air chamber communicate with the external world.

Further, air current drainage subassembly include air exhauster, air-supply line and play tuber pipe, the air exhauster fix at the heat preservation shell top, just the air intake of air exhauster passes through air-supply line and air chamber intercommunication, the air outlet of air exhauster is through going out tuber pipe and the regional intercommunication of drying.

Furthermore, glass cotton curtains are arranged on two sides of the reduction area and connected with the top of the heat conducting plate.

Further, the steam drainage component comprises a water tank, a water inlet pipe and a steam outlet pipe, the water tank is fixed at the top of the tunnel kiln corresponding to the sintering area, the water inlet pipe is communicated with the water tank, and the water tank is communicated with the sintering area through the steam outlet pipe.

Furthermore, a coal feeding funnel is arranged at the top of the tunnel kiln corresponding to the sintering area.

Advantageous effects

Compared with the prior art, the utility model has the advantages of do:

the utility model discloses an internal combustion method is fired archaize blue brick and is fired kiln fires the in-process at the adobe, introduces the stoving region through the heat that will reduce, the cooling stage produces and dries and light the buggy, utilizes the heat that the sintering stage produced to prepare steam to introduce reduction region and carry out the anaerobic reduction, the reasonable energy that has utilized has further reduced manufacturing cost.

Drawings

FIG. 1 is a schematic view of a front view cross-sectional structure of a middle-fired kiln of the present invention;

fig. 2 is a structural diagram of the utility model discloses in fire the right side of kiln and look at.

Wherein: 501-tunnel kiln, 502-drying area, 503-sintering area, 504-reduction area, 505-cooling area, 506-heat conducting plate, 507-heat preservation shell, 508-air chamber, 509-exhaust fan, 510-air inlet pipe, 511-air outlet pipe, 512-glass cotton curtain, 513-water tank, 514-water inlet pipe, 515-steam outlet pipe and 516-coal charging funnel.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings, which are not intended to limit the invention in any way.

Referring to fig. 1-2, the utility model discloses a fire kiln of archaize blue brick is fired to internal combustion, including tunnel kiln 501, wherein, be equipped with the track in the tunnel kiln 501, the kiln car movable mounting that is equipped with the adobe is on the track in tunnel kiln 501, be equipped with stoving region 502 in proper order in tunnel kiln 501, sintering region 503, reduction region 504 and cooling region 505, wherein, stoving region 502, sintering region 503, reduction region 504 and cooling region 505 communicate in proper order, stoving region 502 is used for drying the adobe, sintering region 503 is used for firing the adobe, tunnel kiln 501 top that is close to one end of reduction region 504 in sintering region 503 is equipped with temperature sensor, a sintering temperature for real-time detection adobe, so that grasp sintering information, reduction region 504 is used for carrying out anaerobic firing to the adobe, cooling region 505 is used for cooling the blue brick, at reduction region 504, the reduction region 504, The outer wall of the cooling area 505 is provided with a cooling zone for quickening the cooling of the green bricks, an air drainage assembly is arranged between the cooling zone and the drying area 502, hot air in the cooling zone can be drained to the drying area 502 for use, a water vapor drainage assembly is arranged between the sintering area 503 and the reduction area 504, water vapor can be prepared by high temperature generated by the sintering area 503, the water vapor is drained to the reduction area 504, isolated air is conducted on the green bricks, and oxygen-free sintering reduction is achieved.

Preferably, the cooling zone comprises a heat conducting plate 506 and a heat insulating shell 507, wherein the heat conducting plate 506 covers the tops of the reduction area 504 and the cooling area 505, the heat insulating shell 507 covers the top of the heat conducting plate 506, an air cavity 508 is arranged between the heat insulating shell 507 and the heat conducting plate 506, the air cavity 508 is communicated with the outside, namely, the tunnel kiln 501 corresponding to the cooling zone is of a double-layer structure, and by utilizing a sandwich structure of the air cavity 508, the air conducts heat generated by the heat conducting plate 506 in the air cavity 508, so that the effect of rapidly cooling the brick blank is achieved, and meanwhile, the air is prevented from entering the reduction area 504 in the tunnel kiln 501 so as to avoid influencing the reduction reaction.

Preferably, the air guide assembly comprises an exhaust fan 509, an air inlet pipe 510 and an air outlet pipe 511, wherein the exhaust fan 509 is fixed at the top of the heat preservation shell 507, an air inlet of the exhaust fan 509 is communicated with the air chamber 508 through the air inlet pipe 510, an air outlet of the exhaust fan 509 is communicated with the drying region 502 through the air outlet pipe 511, the exhaust fan 509 works to draw air in the air chamber 508 in the cooling zone to the drying region 502, the air contains oxygen and has the characteristics of high temperature and wind power, and the air is blown to the green bricks, so that the purposes of drying the green bricks and igniting the pulverized coal of the green bricks are achieved.

Preferably, glass cotton curtains 512 are arranged on two sides of the reduction area 504, the top of each glass cotton curtain 512 is connected with the top of the heat conducting plate 506, the bottom of each glass cotton curtain 512 is movable, and when the kiln car is pushed, the glass cotton curtains are lapped on the green bricks, so that an area similar to a sealing area can be formed in the reduction area 504, and the green bricks can be conveniently subjected to oxygen-free sintering.

Preferably, the water vapor diversion assembly comprises a water tank 513, a water inlet pipe 514 and a steam outlet pipe 515, wherein the water tank 513 is fixed on the top of the tunnel kiln 501 corresponding to the sintering area 503, the water inlet pipe 514 is communicated with the water tank 513, the water tank 513 is communicated with the sintering area 503 through the steam outlet pipe 515, water in the water tank 513 is boiled under the high temperature action of the sintering area 503 to generate steam, the steam is conveyed to the reduction area 504 through the steam outlet pipe 515, air in the reduction area 504 can be driven out, and the air is prevented from entering the reduction area 504, so that the purpose of oxygen-free sintering is achieved.

Preferably, a coal charging funnel 516 is further arranged at the top of the tunnel kiln 501 corresponding to the sintering area 503, and when the sintering temperature does not reach the requirement, coal can be charged through the coal charging funnel 516 to increase the combustion energy and ensure that the green bricks are sintered to the specified temperature.

The utility model discloses a kiln is fired to internal combustion method and is imitated ancient green brick and fire kiln when using, kiln car is through tunnel kiln 501's stoving region 502, at this moment, air guide subassembly will restore regional 504, the heat that cooling area 505 produced is taken out to stoving region 502, because the adobe is at restoration region 504, cooling area 505's temperature is very high, usually there is about a few hundred degrees, therefore, when the hot-blast of the stoving area that two regions correspond blows to stoving region 502, under the effect of air oxygen, high temperature, wind power, dry the adobe, and light the buggy of adobe self simultaneously, kiln car gets into sintering region 503, in the sintering stage, the adobe is under the state of self buggy burning, heat up gradually, realize the sintering to the adobe; after the sintering is carried out to a specified temperature, the kiln car enters a reduction area 504, the glass wool curtains 512 on two sides of the reduction area 504 nearly isolate the air on two sides of the kiln car, meanwhile, the water vapor drainage assembly conveys the water vapor prepared in the sintering area 503 to the reduction area 504, the air in the reduction area 504 is driven out, the air is prevented from entering the reduction area 504, and the green bricks need to be burned urgently under the conditions of pulverized coal combustion and self heat which are not combusted per se, so that the purpose of anaerobic sintering is achieved; after the reduction is completed, the kiln car enters the cooling area 505, the air drainage assembly pumps away the air corresponding to the outer wall of the cooling area 505, so that the heat dissipated by the black bricks is taken away, the purpose of rapidly cooling the black bricks is achieved, and finally the kiln car is moved out of the tunnel kiln 501 to complete the firing of the black bricks. When the green brick is primarily fired, since the reduction area 504 and the cooling area 505 do not work, coal can be placed in the drying area 502 in advance, and the coal is ignited, so that primary drying can be completed, and then the sintering, reduction and cooling processes can be continuously performed, so that continuous firing is realized.

The utility model discloses a firing kiln of archaize blue brick is fired to internal combustion method, in the adobe firing process, introduce the stoving region through the heat that will reduce, the cooling stage produced and dry and light the buggy, utilize the heat that the sintering stage produced to prepare steam to introduce reduction region and carry out the anaerobic reduction, the reasonable energy that has utilized has further reduced manufacturing cost.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The utility model provides a fire kiln of burning archaize blue brick of internal combustion, includes tunnel kiln (501), its characterized in that, tunnel kiln (501) in be equipped with stoving region (502), sintering region (503), reduction region (504) and cooling zone (505) in proper order, reduction region (504), cooling zone (505) outer wall be equipped with the cooling band, cooling band and stoving region (502) between be equipped with air drainage subassembly, sintering region (503) and reduction region (504) between be equipped with water vapor drainage subassembly.

2. The kiln for burning antique blue bricks according to claim 1, characterized in that said cooling belt comprises a heat-conducting plate (506) and a heat-insulating shell (507), said heat-conducting plate (506) covers the top of the reduction zone (504) and the cooling zone (505), said heat-insulating shell (507) covers the top of the heat-conducting plate (506), and an air chamber (508) is arranged between said heat-insulating shell (507) and the heat-conducting plate (506), said air chamber (508) is communicated with the outside.

3. The burning kiln of the internal combustion burned antique blue brick of claim 2, characterized in that the air guide assembly comprises an exhaust fan (509), an air inlet pipe (510) and an air outlet pipe (511), the exhaust fan (509) is fixed on the top of the heat preservation shell (507), the air inlet of the exhaust fan (509) is communicated with the air cavity (508) through the air inlet pipe (510), and the air outlet of the exhaust fan (509) is communicated with the drying area (502) through the air outlet pipe (511).

4. The firing kiln for internally firing antique blue bricks according to claim 2, characterized in that glass wool curtains (512) are arranged on both sides of the reduction zone (504), said glass wool curtains (512) being connected to the top of the heat-conducting plate (506).

5. The firing kiln for internally burning antique blue bricks according to claim 1, wherein the water vapor diversion assembly comprises a water tank (513), a water inlet pipe (514) and a steam outlet pipe (515), the water tank (513) is fixed at the top of the tunnel kiln (501) corresponding to the sintering area (503), the water inlet pipe (514) is communicated with the water tank (513), and the water tank (513) is communicated with the sintering area (503) through the steam outlet pipe (515).

6. A firing kiln for internally fired antique blue bricks according to any one of claims 1 to 5, characterized in that the top of the tunnel kiln (501) corresponding to the sintering zone (503) is also provided with a coal charging hopper (516).