CN212498224U

CN212498224U - Production line for firing antique blue bricks by internal combustion method

Info

Publication number: CN212498224U
Application number: CN202021663915.8U
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: 2021-02-09
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a production line of archaize blue brick is fired to internal combustion method belongs to the field is fired to the blue brick modelled after an antique, solves the tradition and adopts coal gas to fire the blue brick and cause the problem with high costs, the security is low. The production line comprises a dryer, a pulverizer, a bin, a brick press and a firing kiln, wherein the dryer, the pulverizer, the bin and the brick press are sequentially connected through a pipeline, and a kiln car for placing green bricks is arranged between the brick press and the firing kiln. The utility model discloses a production line of archaize blue brick is fired to internal combustion method can effective reduction in production cost, improves the production security.

Description

Production line for firing antique blue bricks by internal combustion method

Technical Field

The utility model relates to a blue brick modelled after an antique is fired, more specifically says, it relates to a production line that blue brick modelled after an antique was fired to internal combustion method.

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. In the process of firing the antique blue bricks, coal gas plays an important role and is a key factor of firing. However, in the actual firing process, a large amount of gas needs to be prepared and consumed, the firing cost is very high, and the cost control of enterprises is not facilitated, and meanwhile, the antique black bricks are fired by using the gas, so that great potential safety hazards exist in the processes of gas preparation, transportation, combustion and the like, and the safety production of the enterprises is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a production line of archaize blue brick is fired to internal combustion method utilizes this production line production archaize blue brick, can effectively reduction in production cost, improves the production security.

The technical scheme of the utility model as follows: a production line for firing antique blue bricks by an internal combustion method comprises a dryer, a pulverizer, a bin, a brick press and a firing kiln, wherein the dryer, the pulverizer, the bin and the brick press are sequentially connected through a pipeline, and a kiln car for placing green bricks is arranged between the brick press and the firing kiln.

Further, the firing kiln comprises a tunnel kiln, the kiln car is movably mounted in the tunnel kiln, 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.

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 a production line of archaize blue brick is fired to internal combustion method adopts buggy and raw materials mixture preparation adobe to light the buggy in utilizing adobe stoving process, realize that adobe self burns and sinters, and its internal combustion method is fired archaize blue brick, has reduced settings such as gas station, gas line, can effectively reduce manufacturing cost, improves production security; in the process of firing the green bricks, heat generated in the reduction and cooling stages is introduced into a drying region for drying and igniting coal powder, water vapor is prepared by utilizing the heat generated in the sintering stage, and the reduction region is introduced for anaerobic reduction, so that energy is reasonably utilized, and the production cost is further reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a front view cross-sectional structure of the middle-burning kiln of the present invention;

fig. 3 is a schematic diagram of the structure of the kiln furnace as seen from the right side.

Wherein: 1-dryer, 2-pulverizer, 3-bunker, 4-brick press, 5-firing kiln, 6-kiln car, 501-tunnel kiln, 502-drying region, 503-sintering region, 504-reduction region, 505-cooling region, 506-heat conducting plate, 507-heat preservation shell, 508-air cavity, 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. 1-3, the utility model discloses a production line of archaize blue brick is fired to internal combustion method, including desiccator 1, rubbing crusher 2, feed bin 3, brick machine 4 and firing kiln 5, wherein, desiccator 1 is the spiral drying machine among the prior art, and its model can be: XSG-4, the crusher 2 is a crushing device in the prior art, and the type of the crushing device can be as follows: MQW series fluid energy mill, feed bin 3 are a holding vessel, including a jar body, feed inlet, discharge gate, are provided with the agitator in feed bin 3, and brick machine 4 is the brick pressing equipment among the prior art, and its model can be: QS-1200B, concretely, a dryer 1, a pulverizer 2, a bin 3 and a brick press 4 are connected in sequence through pipelines, after the dryer 1 dries the raw material, the raw material is conveyed to the pulverizer 2 through the pipeline, coal powder is put into the pulverizer 2, the raw material and the coal powder can be pulverized, the pulverized mixture is conveyed to the bin 3 through the pipeline to be stood, the stood mixture is conveyed to the brick press 4 through the pipeline to be pressed into a green brick, a kiln car 6 for placing the green brick is arranged between the brick press 4 and a firing kiln 5, the green brick is transferred to the kiln car 6 through manpower or a mechanical arm and then pushed into the firing kiln 5 to be fired, wherein, the raw material and the coal powder are mixed, the aim is to embed the coal powder into the raw material, so that the raw material and the coal powder are fully mixed in the green brick, the pulverization is to further pulverize the raw material and the coal powder, which is beneficial to the pressing of, the purpose of standing is to ensure that the molecules of the raw materials and the coal dust are fully fused and adhered, and further improve the mixing uniformity between the raw materials and the coal dust.

Preferably, the firing kiln 5 comprises a tunnel kiln 501, wherein a track is arranged in the tunnel kiln 501, the kiln car 6 is movably mounted on the track in the tunnel kiln 501, a drying area 502, a sintering area 503, a reducing area 504 and a cooling area 505 are sequentially arranged in the tunnel kiln 501, wherein the drying area 502, the sintering area 503, the reducing area 504 and the cooling area 505 are sequentially communicated, the drying area 502 is used for drying green bricks, the sintering area 503 is used for firing green bricks, a temperature sensor is arranged at the top of the tunnel kiln 501 close to one end of the reducing area 504 in the sintering area 503 and used for detecting the sintering temperature of the green bricks in real time so as to grasp sintering information, the reducing area 504 is used for carrying out anaerobic firing on the green bricks, the cooling area 505 is used for cooling the green bricks, a cooling belt is arranged on the outer walls of the reducing area 504 and the cooling area 505 and used for accelerating the cooling of the green bricks, and an air guide assembly is arranged between the cooling belt and the drying area 502, hot air in the cooling zone can be guided to the drying area 502 for use, a water vapor guide assembly is arranged between the sintering area 503 and the reduction area 504, water vapor can be prepared by utilizing high temperature generated by the sintering area 503, the water vapor is guided to the reduction area 504, air isolation is carried out on the green brick, and oxygen-free sintering reduction is realized.

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 6 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 sintered in an oxygen-free mode.

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 an internal combustion method is fired in the production line of imitating the ancient green brick and is used, drops into desiccator 1 with the raw materials, dries, and the raw materials after the drying are carried to rubbing crusher 2 in, after adding the buggy to rubbing crusher 2, starts rubbing crusher 2 and smashes the mixture of the two, and the mixture after smashing is carried to the feed bin and is stood still and stored, and after the mixture stood still a period of time, carries again to the brick machine 4 on and carries out the suppression and form the adobe; then, manually or mechanically stacking the green bricks on a kiln car 6, and pushing the green bricks into a firing kiln 5 for firing; during firing, the kiln car 6 passes through a drying area 502 of the tunnel kiln 501, at the moment, the air guide assembly pumps heat generated by the reduction area 504 and the cooling area 505 to the drying area 502, because the green bricks in the reduction area 504 and the cooling area 505 have very high temperatures, usually about several hundred degrees, when hot air of drying belts corresponding to the two areas is blown into the drying area 502, the green bricks are dried under the action of air oxygen, high temperature and wind force, and meanwhile, coal dust of the green bricks are ignited, the kiln car 6 enters a sintering area 503, and in a sintering stage, the green bricks are gradually heated in a state that the coal dust is combusted, so that the green bricks are sintered; after the kiln car 6 is sintered to a specified temperature, the kiln car 6 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 6, 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 brick blank needs 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 6 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 6 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 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 production line for firing the antique blue bricks by the internal combustion method is characterized by comprising a drying machine (1), a crushing machine (2), a storage bin (3), a brick press (4) and a firing kiln (5), wherein the drying machine (1), the crushing machine (2), the storage bin (3) and the brick press (4) are sequentially connected through a pipeline, and a kiln car (6) for placing green bricks is arranged between the brick press (4) and the firing kiln (5).

2. The production line for burning antique blue bricks by an internal combustion method according to claim 1, wherein the burning kiln (5) comprises a tunnel kiln (501), the kiln car (6) is movably installed in the tunnel kiln (501), a drying area (502), a sintering area (503), a reducing area (504) and a cooling area (505) are sequentially arranged in the tunnel kiln (501), cooling belts are arranged on the outer walls of the reducing area (504) and the cooling area (505), an air guide assembly is arranged between the cooling belts and the drying area (502), and a water vapor guide assembly is arranged between the sintering area (503) and the reducing area (504).

3. The production line of claim 2, wherein the cooling belt comprises a heat conducting plate (506) and a heat insulating shell (507), the heat conducting plate (506) covers the top 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), and the air cavity (508) is communicated with the outside.

4. The production line of burning antique blue bricks according to claim 3, characterized in that said air guide assembly comprises an exhaust fan (509), an air inlet pipe (510) and an air outlet pipe (511), said exhaust fan (509) is fixed on the top of the heat-insulating shell (507), and the air inlet of said exhaust fan (509) is communicated with the air chamber (508) through said air inlet pipe (510), and the air outlet of said exhaust fan (509) is communicated with the drying area (502) through said air outlet pipe (511).

5. A production line for burning antique blue bricks according to claim 3, characterized in that glass wool curtains (512) are arranged on both sides of the reduction zone (504), and the glass wool curtains (512) are connected with the top of the heat conducting plate (506).

6. A production line for burning antique blue bricks by an internal combustion method according to claim 2, characterized in that 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 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), and the water tank (513) is communicated with the sintering area (503) through the steam outlet pipe (515).

7. A production line for burning antique blue bricks according to any one of claims 2 to 6, characterized in that the sintering area (503) is also provided with a coal charging hopper (516) at the top of the tunnel kiln (501).