CN210663865U - Low-temperature-difference multipoint combustor magnesium-calcium brick tunnel kiln - Google Patents

Abstract

The utility model provides a difference in low temperature multiple spot combustor magnesium calcium brick tunnel cave relates to the magnesium calcium brick field of firing. This difference in low temperature multiple spot combustor magnesium calcium brick tunnel cave includes tunnel, kiln rail and kiln car, and the inside diapire in the tunnel is laid to the kiln rail, and kiln car sliding connection is at the upper surface of kiln rail, and the internal surface in tunnel is equipped with the heat preservation, and the both sides fixedly connected with bunker in tunnel, the inside in tunnel are equipped with the combustion chamber, and the lower fixed surface of combustion chamber is connected with heat-resistant plate, and the flame hole has been seted up on the surface of heat-resistant plate. This difference in temperature multiple spot combustor magnesium calcium brick tunnel cave, make flame heat to the magnesium calcium brick on the kiln car uniformly through going out the flame vent, the condition that the produced inhomogeneous and magnesium calcium brick that is heated near the part of combustor damaged because of too high temperature when having avoided the point type combustor heating takes place, the hollow slab on the kiln car sets up the inside big problem of the inside and outside difference in temperature that produces that is heated slowly that has improved the pile to a certain extent, make being heated of magnesium calcium brick when firing more even, the yield is also higher.

Description

Low-temperature-difference multipoint combustor magnesium-calcium brick tunnel kiln

Technical Field

The utility model relates to a magnesium calcium brick fires technical field, specifically is a low temperature difference multipoint combustor magnesium calcium brick tunnel cave.

Background

The patent with the retrieval Chinese patent application number of CN201620038043.3 discloses a magnesia-calcium brick tunnel kiln, wherein the firing of the magnesia-calcium brick tunnel kiln is provided with a plurality of kiln parking places, the kiln parking places are used for placing kiln cars, two burner nozzles are arranged on two sides of each kiln parking place, the heights of the two burner nozzles on the same side are the same, the burner nozzles on different sides are distributed in a vertically staggered manner, the burners on any front kiln parking place and any rear kiln parking place of the burners of the plurality of kiln parking places are distributed in a vertically staggered manner on each side of a firing zone, and a high-speed burner multi-point staggered distribution and careful grouping method is adopted to replace the symmetrical distribution or staggered distribution of the burners on two sides of the firing zone of the traditional tunnel kiln on the same plane; the problem of large temperature difference between the upper part and the lower part in the burning zone kiln is well solved by adopting a double-curve sealing friction sealing design and the like.

The multi-point burner design of this patent has the defect, because the kiln car stays and keeps static when burning the area, so the magnesia calcium brick that multi-point burner direct contact burnt can not change, the magnesia calcium brick that is close to the combustor all the time has the condition of high temperature, make whole car magnesia calcium brick have the inhomogeneous condition of being heated, when firing the end, be close to a part magnesia calcium brick of combustor and damage because too high temperature, lead to the yield to descend, the waste cost, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a difference in low temperature multiple spot combustor magnesia calcium brick tunnel cave to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a poor multipoint burner magnesium calcium brick tunnel cave of low temperature, includes tunnel, kiln rail and kiln car, the inside diapire in the tunnel is laid to the kiln rail, kiln car sliding connection is at the upper surface of kiln rail, the internal surface in tunnel is equipped with the heat preservation, the both sides fixedly connected with bunker in tunnel, the inside in tunnel is equipped with the combustion chamber, the lower fixed surface of combustion chamber and heat preservation is connected, the both sides fixedly connected with passage of combustion chamber, the one end that the combustion chamber was kept away from to the passage runs through tunnel and outside bunker fixed connection, the lower fixed surface of combustion chamber is connected with the heat-resistant plate, the flame outlet has been seted up on the surface of heat-resistant plate.

Preferably, the kiln car comprises a brick carrying table and wheels, the wheel bearings are connected to the lower surface of the brick carrying table, the upper surface of the kiln rail is provided with a sliding groove, and the wheels are connected inside the sliding groove in a rolling mode.

Preferably, the fixed welding of the upper surface of carrying the brick platform has the hollow slab, the hollow slab perpendicular to carries the brick platform, just the upper surface of hollow slab does not have the cover.

Preferably, the front side of the brick carrying platform is fixedly connected with a hook, the rear side of the brick carrying platform is fixedly connected with a pull ring, and the adjacent kiln cars are movably connected with the pull ring through the hooks.

Preferably, a high-temperature ring is fixedly connected to a joint of the combustion chamber and the material guide pipe, the high-temperature ring is fixedly sleeved on the outer surface of the material guide pipe, the high-temperature ring is fixed on the outer surface of the combustion chamber through bolts, the material guide pipe is communicated with the interior of the combustion chamber, and the high-temperature ring is made of a high-temperature-resistant fireproof material.

Preferably, a fixing ring is arranged at the joint of the material guide pipe and the fuel bin, the fixing ring is fixedly sleeved on the outer surface of the material guide pipe, and the fixing ring is bolted on the outer surface of the fuel bin.

Preferably, the kiln car is made of high-temperature-resistant fireproof materials.

The utility model provides a difference in low temperature multiple spot combustor magnesium calcium brick tunnel cave, its beneficial effect who possesses as follows:

1. this difference in temperature multiple spot combustor magnesium calcium brick tunnel cave, the combustion chamber through the heat preservation lower surface heats whole burning zone, go out the flame vent through heat-resistant plate surface and make flame heat to the magnesium calcium brick on the kiln car uniformly, the condition that the produced part that is heated unevenly and magnesium calcium brick is close to the combustor when having avoided the point type combustor to heat takes place because of too high temperature damage, the hollow slab on the kiln car sets up the inside big problem of the inside difference in temperature that produces that is heated slowly that has improved the pile to a certain extent, make being heated of magnesium calcium brick when firing more even, the yield is also higher.

2. This difference in low temperature multiple spot combustor magnesium calcium brick tunnel cave through set up the heat preservation at the tunnel inner wall, has reduced the heat and has outwards gived off for the temperature of burning zone remains throughout and does not descend, saves fuel, reduces and fires the cost.

Drawings

FIG. 1 is a schematic structural cross-sectional view of the present invention;

FIG. 2 is a schematic view of the connection tube structure of the present invention;

FIG. 3 is a schematic diagram of the structure of the heat-resistant plate of the present invention;

fig. 4 is a schematic structural view of the kiln car of the utility model.

In the figure: the kiln comprises a tunnel 1, a kiln rail 2, a kiln car 3, a brick carrying platform 301, wheels 302, a heat insulation layer 4, a fuel bunker 5, a combustion chamber 6, a material guide pipe 7, a heat-resistant plate 8, a flame outlet hole 9, a hollow plate 10, a hook 11, a pull ring 12, a sliding groove 13, a high-temperature ring 14 and a fixing ring 15.

Detailed Description

The embodiment of the utility model provides a difference in low temperature multiple spot combustor magnesium calcium brick tunnel cave, as shown in fig. 1-4, including tunnel 1, kiln rail 2 and kiln car 3, kiln rail 2 is laid at the inside diapire of tunnel 1, 3 sliding connection of kiln car are at the upper surface of kiln rail 2, tunnel 1's internal surface is equipped with heat preservation 4, tunnel 1's both sides fixedly connected with bunker 5, tunnel 1's inside is equipped with combustion chamber 6, combustion chamber 6 is connected with heat preservation 4's lower fixed surface, combustion chamber 6's both sides fixedly connected with passage 7, the one end that combustion chamber 6 was kept away from to passage 7 runs through tunnel 1 and outside bunker 5 fixed connection, combustion chamber 6's lower fixed surface is connected with heat-resistant plate 8, flame outlet 9 has been seted up on heat-resistant plate 8's surface.

Further, the kiln car 3 comprises a brick carrying platform 301 and wheels 302, the wheels 302 are in bearing connection with the lower surface of the brick carrying platform 301, the upper surface of the kiln rail 2 is provided with a sliding groove 13, and the wheels 302 are in rolling connection with the inner part of the sliding groove 13.

Further, the fixed welding of the upper surface of carrying brick platform 301 has hollow slab 10, and brick platform 301 is carried to hollow slab 10 perpendicular to, and the upper surface of hollow slab 10 does not have the lid for inside the heat can enter into hollow slab 10 rapidly, the conduction gives the magnesium calcium brick that carries on brick platform 201, has improved the inside big problem of the inside and outside difference in temperature that is heated slowly and produces of pile to a certain extent.

Further, the front side of the brick carrying platform 301 is fixedly connected with the hook 11, the rear side of the brick carrying platform 301 is fixedly connected with the pull ring 12, and the adjacent kiln cars 3 are movably connected with the pull ring 12 through the hook 11, so that the adjacent kiln cars 3 are connected with each other, can simultaneously fire a plurality of cars of magnesia-calcium bricks, and are pulled out through mechanical equipment.

Further, the junction fixedly connected with high temperature ring 14 of combustion chamber 6 and passage 7, high temperature ring 14 is fixed cup joints the surface at passage 7, and high temperature ring 14 bolt fastening is at the surface of combustion chamber 6, and passage 7 is linked together with combustion chamber 6 is inside, and high temperature ring 14 is high temperature resistant fire prevention material, prevents that passage 7 from taking place to warp because of high temperature.

Further, the junction of passage 7 and bunker 5 is equipped with solid fixed ring 15, and solid fixed ring 15 is fixed to be cup jointed at the surface of passage 7, and solid fixed ring 15 bolted connection is at the surface of bunker 5, prevents that passage 7 and bunker 5 from taking place the condition that drops or fuel leaked, avoids taking place danger and loss.

Further, kiln car 3 is high temperature resistant fire prevention material, prevents to damage because of high temperature when entering into the burning zone in tunnel 1, leads to the unable transport of burnt magnesia-calcium brick.

The working principle is as follows: the utility model discloses a low temperature difference multipoint combustor magnesium calcium brick tunnel cave that introduces, including tunnel 1, kiln rail 2, kiln car 3, bunker 5, and combustion chamber 6 etc. main component structure, along with 1 being a long straight line tunnel, there is fixed heat preservation 5 at its both sides and top, the lower fixed surface of heat preservation 5 is connected with combustion chamber 6, kiln car 3 is being moved on the kiln rail 2 of laying of bottom, combustion chamber 6 is established on the inner wall in the middle part of tunnel cave, constitute fixed burning zone, the high temperature flue gas that the burning produced flows to the kiln head direction along tunnel 1 under the effect of tunnel cave front end chimney or draught fan, progressively preheat the goods that enter into the kiln simultaneously, this section has constituted the preheating zone of tunnel cave, the kiln tail drum of tunnel cave enters cold wind, cool off the goods of one section in the tunnel cave, the cold wind that enters into flows through the goods and is heated, take out the desicator as the dry heat source again, this section constitutes the cooling zone of the tunnel kiln, where the magnesia-calcium bricks are deposited on the brick-carrying table 301, continuously pushed slowly, usually mechanically, the kiln car 3 carrying the burnt magnesia-calcium bricks is pushed out from the outlet of the cooling zone gradually and is pushed out for about 1 hour, when the kiln car 3 enters a burning zone, a valve of the bunker 5 is opened, fuel is pushed to the inside of the combustion chamber 6 through the guide pipe 7 at the moment, the fuel is ignited, the brick burning starts, the lower surface of the combustion chamber 6 is the heat-resistant plate 8, the heat-resistant plate 8 is provided with the flame outlet holes 9, flame uniformly heats the magnesia calcium bricks stacked on the kiln car 3 through the flame outlet holes 9, the middle of the kiln car 3 is also provided with the hollow plate 10, heat is conducted to green bricks from the middle of the hollow plate 10, and the problem of large internal and external temperature difference caused by slow heating of the inside of the magnesia calcium bricks stacked is solved to a certain extent.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a low temperature difference multiple spot combustor magnesia-calcium brick tunnel cave, includes tunnel (1), kiln rail (2) and kiln car (3), its characterized in that: kiln rail (2) are laid at the inside diapire in tunnel (1), kiln car (3) sliding connection is at the upper surface of kiln rail (2), the internal surface of tunnel (1) is equipped with heat preservation (4), both sides fixedly connected with bunker (5) of tunnel (1), the inside in tunnel (1) is equipped with combustion chamber (6), the lower fixed surface of combustion chamber (6) and heat preservation (4) is connected, the both sides fixedly connected with passage (7) of combustion chamber (6), the one end that combustion chamber (6) were kept away from in passage (7) runs through tunnel (1) and outside bunker (5) fixed connection, the lower fixed surface of combustion chamber (6) is connected with heat-resisting plate (8), flame outlet (9) have been seted up on the surface of heat-resisting plate (8).

2. The magnesium-calcium brick tunnel kiln with low temperature difference and multi-point burner as claimed in claim 1, characterized in that: kiln car (3) are including carrying brick platform (301) and wheel (302), wheel (302) bearing connection is at the lower surface that carries brick platform (301), spout (13) have been seted up to the upper surface of kiln rail (2), wheel (302) roll connection is in the inside of spout (13).

3. The magnesium calcium brick tunnel kiln with low temperature difference and multi-point burner as claimed in claim 2, characterized in that: carry the fixed welding of the upper surface of brick platform (301) to have hollow slab (10), hollow slab (10) perpendicular to carries brick platform (301), just the upper surface of hollow slab (10) does not have the cover.

4. The magnesium calcium brick tunnel kiln with low temperature difference and multi-point burner as claimed in claim 2, characterized in that: carry the front side fixed connection couple (11) of brick platform (301), carry the rear side fixed connection pull ring (12) of brick platform (301), adjacent kiln car (3) are through couple (11) and pull ring (12) swing joint.

5. The magnesium-calcium brick tunnel kiln with low temperature difference and multi-point burner as claimed in claim 1, characterized in that: the high-temperature ring (14) is fixedly connected to the joint of the combustion chamber (6) and the material guide pipe (7), the high-temperature ring (14) is fixedly sleeved on the outer surface of the material guide pipe (7), the high-temperature ring (14) is fixed on the outer surface of the combustion chamber (6) through bolts, the material guide pipe (7) is communicated with the interior of the combustion chamber (6), and the high-temperature ring (14) is made of a high-temperature-resistant fireproof material.

6. The magnesium-calcium brick tunnel kiln with low temperature difference and multi-point burner as claimed in claim 1, characterized in that: the feeding pipe is characterized in that a fixing ring (15) is arranged at the joint of the feeding pipe (7) and the fuel bin (5), the fixing ring (15) is fixedly sleeved on the outer surface of the feeding pipe (7), and the fixing ring (15) is connected to the outer surface of the fuel bin (5) through bolts.

7. The magnesium-calcium brick tunnel kiln with low temperature difference and multi-point burner as claimed in claim 1, characterized in that: the kiln car (3) is made of high-temperature-resistant fireproof materials.

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