CN211601538U - Double-channel separation layer structure and energy-saving roller kiln - Google Patents

Double-channel separation layer structure and energy-saving roller kiln Download PDF

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Publication number
CN211601538U
CN211601538U CN201922183470.7U CN201922183470U CN211601538U CN 211601538 U CN211601538 U CN 211601538U CN 201922183470 U CN201922183470 U CN 201922183470U CN 211601538 U CN211601538 U CN 211601538U
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China
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area
burner
roller
layer
cavity
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CN201922183470.7U
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荆海山
陶志坚
郑旭东
梁兴强
程希如
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Foshan Dlt Technology Co ltd
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Foshan Dlt Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/02Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F27B9/021Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces having two or more parallel tracks
    • F27B9/025Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces having two or more parallel tracks having two or more superimposed tracks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/02Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F27B9/028Multi-chamber type furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2407Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/40Arrangements of controlling or monitoring devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/02Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F27B2009/026Two or more conveyors, e.g. mounted successively
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/122Preheating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124Cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B2009/305Particular conformation of the furnace

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Tunnel Furnaces (AREA)
  • Furnace Details (AREA)

Abstract

The utility model discloses a binary channels separate layer structure and energy-saving roller kilns, including square beam, interlayer cavity board, interlayer insulation blanket, insulating brick layer, protection shield, set up in the bearing brick at square beam both ends, the square beam is provided with a plurality of, every along vertical align to grid the bearing brick is just right the position of square beam all is provided with the square hole, every the both ends of square beam insert respectively rather than just right in the square hole, all the top surface of square beam forms a holding surface, cavity board, interlayer insulation blanket, insulating brick layer, protection shield are arranged the setting in proper order by supreme down in the interlayer on the holding surface, the utility model discloses a separate layer structure can be applied to in the kiln, separates into two independent passageways with the space of a kiln, has greatly improved production efficiency, has reduced manufacturing cost and energy consumption.

Description

Double-channel separation layer structure and energy-saving roller kiln
Technical Field
The utility model relates to a kiln especially relates to a binary channels separate layer structure and energy-saving roller kilns.
Background
Ceramic products such as ceramic tiles, western tiles and foamed ceramic tiles with regular shapes and light weight are generally fired by a roller kiln. In recent years, with the influence of factors such as increasingly tense land, rising energy price and labor cost, the production cost of ceramics is rising, and a kiln with low one-time investment and low operation cost is urgently needed by ceramic enterprises to reduce the manufacturing cost and enhance the competitive power. The green body is in a free running state on the surface of the roller after entering the kiln, and because a constraint mechanism such as a ceramic baffle is difficult to arrange, the green body can be softened at high temperature of the roller kiln, so that the kiln is difficult to be infinitely lengthened, and if the green body is too long, the green brick can collide with the wall to cause the kiln blockage accident; the roller for conveying the green body is supported by two points, and the kiln width is limited by bearing, temperature difference and the like; the technological characteristics of ceramic sintering also determine that a certain sintering period is necessary, and the ceramic sintering cannot be accelerated infinitely. These factors make it difficult for the single-layer roller kilns to meet the above requirements of ceramic enterprises, and therefore, it is necessary to develop a double-layer roller kiln. Compared with a single layer, the double-layer structure has the advantages that the yield is doubled at least under the same condition, the occupied area can be reduced by more than 50%, and the cost of labor, energy and the like is not increased in proportion.
The double-layer roller kilns are not simply overlapped. At present, a few double-layer roller kilns are also available in the market, and the double-layer roller kilns adopt cotton separating layers for layering, but the cotton separating layers have the problems of easiness in collapse, falling dirty, inconvenience in accident handling and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: there is a need for a dual channel spacer structure that is robust and not prone to dirt.
The utility model provides a solution of its technical problem is: the utility model provides a binary channels separate layer structure, hollow plate, interlayer insulating blanket, insulating brick layer, protection shield in including square beam, interlayer, the bearing brick at square beam both ends, the square beam is provided with a plurality of, every along vertical align to grid the bearing brick just right the position of square beam all is provided with the square hole, every the both ends of square beam insert respectively rather than just right in the square hole, all the top surface of square beam forms a holding surface, hollow plate, interlayer insulating blanket, insulating brick layer, protection shield are in by supreme arranging in proper order down setting in the interlayer on the holding surface.
As a further improvement of the technical scheme, the hollow plates in the interlayer are uniformly arranged on the supporting surface and are provided with a plurality of parts, the hollow plates in the interlayer are in stepped lap joint in a longitudinal direction, the hollow plates in the interlayer are adjacent in a longitudinal direction, ceramic paper is arranged at the joint of the hollow plates in the interlayer, the hollow plates in the interlayer are spliced with each other through the buckling piece, the buckling piece comprises a groove formed in one side wall of the hollow plate in the interlayer and a convex strip arranged on the other side wall of the hollow plate in the interlayer, and the convex strip is inserted into the groove.
As a further improvement of the technical scheme, the heat-insulating brick layer comprises a plurality of light bricks which are uniformly arranged, an expansion joint is arranged between any two adjacent light bricks, and heat-insulating cotton is filled in the expansion joint.
As a further improvement of the technical scheme, a cotton plug is arranged in the square hole, and loose cotton is filled in the two ends of the square beam.
The utility model also provides an energy-saving roller kiln, which comprises a smoke discharge area, a preheating area, a burning area, a quench area, a slow cooling area and a tail cooling area which are arranged in sequence, wherein the smoke discharge area, the preheating area and the burning area are internally provided with burning cavities, the quench area and the slow cooling area are internally provided with cooling cavities, the burning cavities and the cooling cavities are arranged along the longitudinal extension, the burning cavities of the smoke discharge area, the preheating area and the burning area and the cooling cavities of the quench area and the slow cooling area are internally provided with the double-channel separating layer structure, so that the burning cavities of the smoke discharge area, the preheating area and the burning area and the cooling cavities of the quench area and the slow cooling area are divided into an upper cavity and a lower cavity, the roller bearing bricks are arranged in the side wall of the burning cavity and the cooling cavity, the upper conveying is arranged in the upper cavities of the smoke discharge area, the preheating area, the burning area, the slow cooling area and the slow cooling area along the length extension direction, and a lower layer conveying roller way is arranged in the lower cavity of the smoke discharge zone, the preheating zone, the sintering zone, the quenching zone and the slow cooling zone along the length extension direction of the lower cavity.
As a further improvement of the technical scheme, the smoke exhaust area, the preheating area, the firing area, the quenching area and the slow cooling area all comprise kiln body frames, the inner side wall of each kiln body frame is sequentially provided with a side wall cotton plate and a side wall light brick layer from outside to inside, the inner bottom wall of each kiln body frame is provided with a bottom wall light brick layer, the inner top walls of the kiln body frames in the smoke exhaust area, the preheating area, the firing area and the quenching area are respectively provided with a hanging frame, the hanging frames in the smoke exhaust area, the preheating area, the firing area and the quenching area are sequentially provided with a top wall heat insulation cotton layer and a top wall hollow plate from top to bottom, the smoke exhaust area, the preheating area, the firing area, the side wall light brick layer in the quenching area, the bottom wall light brick layer and the top wall hollow plate respectively enclose the smoke exhaust area, the preheating area, the firing area and the firing cavity of the kiln area and the cooling cavity in the quenching area, and the top wall of the slow cooling area is provided with a top wall cotton plate, the side wall light brick layer, the bottom wall light brick layer and the top wall cotton plate in the slow cooling area are enclosed to form the cooling cavity in the slow cooling area.
As a further improvement of the above technical solution, a smoke exhaust system is arranged in the smoke exhaust area, the smoke exhaust system comprises a first roller upper flue, a first roller lower flue, a first drop pipe, an upper layer flue header, a first smoke exhaust fan, a second roller upper flue, a second roller lower flue, a second drop pipe, a lower layer flue header, a second smoke exhaust fan and a chimney, the first roller upper flue is arranged on the upper cavity side wall of the smoke exhaust area and above the upper layer conveying roller way, the first roller lower flue is arranged on the upper cavity side wall of the smoke exhaust area and below the upper layer conveying roller way, the first roller upper flue and the first roller lower flue are communicated with the upper layer flue header through the first drop pipe, the air inlet of the first smoke exhaust fan is communicated with the upper layer flue header, and the air outlet of the first smoke exhaust fan is connected to the chimney through a pipeline, the second roller upper supporting flue is arranged on the lower cavity side wall of the smoke exhaust area and is located above the lower conveying roller way, the second roller lower supporting flue is arranged on the lower cavity side wall of the smoke exhaust area and is located below the lower conveying roller way, the second roller upper supporting flue and the second roller lower supporting flue are communicated with the lower flue gas main pipe through the second lower falling pipe, the air inlet of the second smoke exhaust fan is communicated with the lower flue gas main pipe, and the air outlet of the second smoke exhaust fan is connected to the chimney through a pipeline.
As a further improvement of the above technical solution, a first combustion control group and a second combustion control group are arranged in an upper cavity of the firing zone, the first combustion control group is located above the upper-layer conveying roller way, the second combustion control group is located below the upper-layer conveying roller way, the first combustion control group includes a first gas hose, a first burner and a second burner, the first burner is arranged on one side wall of the upper cavity, the second burner is arranged on the other side wall of the upper cavity, the first burner and the second burner are located above the upper-layer conveying roller way and are uniformly arranged along the length extension direction of the upper-layer conveying roller way, all the first burners and all the second burners are arranged in a staggered manner in the same horizontal direction, and the first gas hose is respectively connected to all the first burners, the second burner and the first gas hose through a pipeline, The second burner, the second combustion control group includes second gas hose, third nozzle, fourth nozzle, the third nozzle set up in go up a lateral wall of cavity, the fourth nozzle set up in go up another lateral wall of cavity, third nozzle, fourth nozzle are located the below of upper rollgang and follow the length extending direction of upper rollgang evenly is provided with a plurality of, all the third nozzle sets up with all the fourth nozzle is crisscross in the same horizontal direction, the second gas hose passes through the pipeline and connects respectively in all third nozzle, fourth nozzle, be provided with upper combustion-supporting tuber pipe on the kiln body frame in burning district, upper combustion-supporting tuber pipe passes through the pipeline and connects respectively in all first nozzle, second nozzle, third nozzle, fourth nozzle.
As a further improvement of the above technical solution, a third combustion control group and a fourth combustion control group are arranged in a lower cavity of the firing zone, the third combustion control group is located above the lower-layer conveying roller way, the fourth combustion control group is located below the lower-layer conveying roller way, the third combustion control group includes a third gas hose, a fifth burner and a sixth burner, the fifth burner is arranged on one side wall of the lower cavity, the sixth burner is arranged on the other side wall of the lower cavity, the fifth burner and the sixth burner are located above the lower-layer conveying roller way and are uniformly arranged along the length extension direction of the lower-layer conveying roller way, all the fifth burners and all the sixth burners are arranged in a staggered manner in the same horizontal direction, and the third gas hose is respectively connected to all the fifth burners through pipelines, The fourth combustion control group comprises a fourth gas hose, a seventh burner and an eighth burner, the seventh burner is arranged on one side wall of the lower cavity, the eighth burner is arranged on the other side wall of the lower cavity, the seventh burner and the eighth burner are positioned below the lower-layer conveying roller way and uniformly provided with a plurality of burners along the length extension direction of the lower-layer conveying roller way, all the seventh burners and all the eighth burners are arranged in a staggered mode in the same horizontal direction, the fourth gas hose is connected to all the seventh burner and the eighth burner through pipelines, a lower-layer combustion-supporting air pipe is arranged on a kiln body frame of the combustion area, and the lower-layer combustion-supporting air pipe is connected to all the fifth burner, the sixth burner, the seventh burner and the eighth burner through pipelines.
As a further improvement of the technical scheme, a plurality of accident holes on the first roller and accident holes under the first roller are arranged in the upper cavity of the smoke discharge area, the preheating area, the burning area, the quenching area and the slow cooling area along the length extension direction of the upper cavity, the accident holes on the first roller are positioned above the upper layer conveying roller way, the accident holes under the first roller are positioned below the upper layer conveying roller way, the accident holes on the second roller are positioned above the lower layer conveying roller way, and the accident holes under the second roller are positioned below the lower layer conveying roller way.
The utility model has the advantages that: the double-channel separation layer structure can be applied to a kiln, so that the kiln has a double-channel structure, the separation layer is different from a cotton separation layer on the market, bearing is carried by utilizing bearing bricks, square holes are formed in one side wall of the bearing bricks, two ends of each square beam are inserted into the square holes, so that the top surfaces of all the square beams form a supporting surface, an interlayer hollow plate, an interlayer heat-insulation blanket, a heat-insulation brick layer and a protective plate are laid on the supporting surface from bottom to top, the interlayer hollow plate is not easy to crack and dirty, the heat-insulation brick layer and the interlayer heat-insulation blanket form a main heat-insulation structure, the protective plate can prevent flame from directly scouring the interlayer heat-insulation blanket to dirty, can also prevent the interlayer heat-insulation blanket from being smashed after accidents such as roller bar breakage, product falling and the like happen on the upper layer, if the structure of the separation layer is applied to the kiln, one kiln is divided into two independent channels by utilizing a stable structure, and the yield of two kilns, the space occupied by production equipment is saved, the firing efficiency is greatly improved, the utilization rate of heat is obviously increased, and the unit energy consumption of the product is reduced.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a side view of the smoke evacuation area of the present invention with the first and second downcomer omitted;
fig. 2 is a top view of the smoke evacuation area of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 4 is a side view of the firing zone of the present invention;
FIG. 5 is a schematic view of FIG. 4 taken in the direction A;
FIG. 6 is a schematic view of the cross-sectional structure B-B of FIG. 4;
fig. 7 is a side view of the tail cooling zone of the present invention;
FIG. 8 is a schematic view of the cross-sectional structure C-C of FIG. 7;
FIG. 9 is a schematic view of the cross-sectional structure of FIG. 7 at D-D;
FIG. 10 is a schematic cross-sectional view of the quench zone of the present invention;
FIG. 11 is a schematic cross-sectional view of the slow cooling zone of the present invention;
fig. 12 is a schematic cross-sectional view of the separator of the present invention.
In the drawings: 1-upper-layer conveying roller way, 2-lower-layer conveying roller way, 3-square beam, 4-interlayer hollow plate, 5-interlayer heat insulation blanket, 6-heat insulation brick layer, 7-protection plate, 8-bearing brick, 9-loose cotton, 10-cotton plug, 11-kiln body frame, 12-side wall cotton plate, 13-side wall light brick layer, 14-bottom wall light brick layer, 15-hanging bracket, 16-top wall heat insulation cotton layer, 17-top wall hollow plate, 18-drag hook, 19-first roller upper supporting flue, 20-first falling pipe, 21-upper-layer flue gas main pipe, 22-first flue gas exhaust fan, 23-flue gas exhaust area fan platform, 24-second roller upper supporting flue, 25-second roller lower supporting flue, 26-second lower falling pipe, 27-lower-layer flue gas main pipe, 28-a second smoke exhaust fan, 29-a chimney, 30-an upper combustion-supporting air pipe, 31-a first gas hose, 32-a first burner, 33-a second burner, 34-a third burner, 35-a fourth burner, 36-a lower combustion-supporting air pipe, 37-a second gas hose, 38-a fifth burner, 39-a sixth burner, 40-a seventh burner, 41-an eighth burner, 42-a heavy high-alumina sleeve, 43-a burner sleeve, 44-a cotton blanket, 45-a first fire observation hole, 46-a second fire observation hole, 47-a first roller lower flue, 48-a tail cooling area fan platform, 49-a tail cooling exhaust fan, 50-a tail cooling supply fan, 51-a tail cooling air blowing pipe, 52-an air box, 53-an expansion joint, 54-a communicating pipe, 55-a first butterfly valve, 56-a second butterfly valve, 57-a third butterfly valve, 58-a first gate valve, 59-a second gate valve, 60-a tail cooling total air pipe, 61-a tail cooling branch pipe, 62-a tail cooling roller upper air extraction pipe, 63-a tail cooling roller lower air extraction pipe, 64-a rapid cooling blowing branch pipe and 65-a heat exchange pipe.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
When the green bricks are manufactured, a smoke exhaust area, a preheating area, a firing area, a quenching area, a slow cooling area and a tail cooling area which are connected in sequence are needed, the smoke exhaust area is mainly used for exhausting mechanical water and adsorbed water in the green bodies after temperature rise, the green bodies do not generate chemical changes and only generate physical changes such as volume shrinkage, water evaporation and the like, the smoke exhaust area is used for exhausting smoke generated by combustion out of a kiln and balancing kiln pressure, heat is continuously released to heat the interior of the kiln in the process that the smoke flows to the smoke exhaust area from high temperature, and the temperature of the smoke exhaust area generally changes between 200 ℃ and 600 ℃; in the preheating zone, the temperature of the green brick is raised from 600 ℃ to about 1050 ℃, and the firing curve is properly adjusted to ensure that the green brick can safely remove structural water and complete the physicochemical reactions such as quartz phase change, organic matter oxidation, carbonate decomposition and the like; in the firing zone, the temperature of the green brick is raised from 1050 ℃ to the highest firing temperature, and the salts such as carbonate, sulfate and the like in the green brick are further decomposed at the stage, so that the physical and chemical reactions such as sintering, ceramization and the like are completed; the quenching zone has the main function of rapid cooling, the viscosity of the glass phase in the product at the stage is increased, the glass phase is converted from a plastic state to a solid state, the hardness and the strength are increased to the maximum, the stress generated by the product shrinkage can be counteracted due to the existence of a liquid phase, therefore, the product can be directly blown for rapid cooling, and the quenching can not only prevent the crystallization of a glaze surface, increase the strength and the whiteness of the product, improve the quality of the product, but also shorten the sintering period by carrying out convection heat exchange through the injected cold air; the slow cooling zone is divided into a heat exchange zone and a heat extraction zone, the heat exchange zone slowly cools the temperature of the green brick from 600 ℃ to about 400 ℃, so that the quartz in the green brick slowly finishes crystal phase transformation, the defect of 'cracking' caused by stress of quick cooling is prevented, an indirect cooling mode of a heat exchange tube is generally adopted, cold air is not directly contacted with a product, so that the cooling is more smooth and uniform, the cooling is carried out in a heat exchange tube mode, the pressure in a kiln is not influenced even if air quantity fluctuation is caused by temperature change, an air suction opening is centrally arranged in the heat extraction zone, hot air after rapid cooling is mainly exhausted, the heat release of the hot air flowing through the heat exchange zone to the heat extraction zone also has the effect of protecting the green brick from cold cracking, the control of the air suction amount in the zone is not only related to the balance of the kiln pressure of the rapid cooling zone, but also related to the cooling effect of the product, and the temperature of the green; the tail cold region reduces the adobe temperature from 300 ℃ to the temperature that the kiln needs gradually, adopts the mode cooling of directly blowing into the big amount of wind, sets up the drilling tubule of close packing and aims at the product and bloies about the product, and the cold air that this district will avoid insufflating gets into slow cold region as far as possible. The tail cold area is not provided with a separation layer, the upper layer and the lower layer are communicated, the pipeline is short, the wind pressure loss is small, and the power consumption can be reduced.
Referring to fig. 12, a binary channels separate layer structure, hollow plate 4, interlayer insulating blanket 5, insulating brick layer 6, protection shield 7 in square beam 3, the interlayer, set up in the bearing brick 8 at square beam 3 both ends, square beam 3 is provided with a plurality of along vertical align to grid, the utility model discloses the vertical length extending direction who all indicates the kiln that indicates, every bearing brick 8 just right square beam 3's position all is provided with the square hole, every square beam 3's both ends insert respectively rather than just right in the square hole, all square beam 3's top surface forms a holding surface, hollow plate 4, interlayer insulating blanket 5, insulating brick layer 6, protection shield 7 are in proper order arranged the setting by supreme down in the interlayer on the holding surface. The separating layer is different from a cotton separating layer on the market, the bearing brick 8 is used for bearing, a square hole is arranged on one side wall of the bearing brick 8, two ends of the square beam 3 are inserted into the square hole, so that the top surfaces of all the square beams 3 form a supporting surface, an interlayer hollow plate 4, an interlayer heat-insulating blanket 5, an insulating brick layer 6 and a protective plate 7 are laid on the supporting surface from bottom to top, the interlayer hollow plate 4 is not easy to crack and dirty, the insulating brick layer 6 and the interlayer heat-insulating blanket 5 form a main heat-insulating structure, the protective plate 7 can prevent flame from directly scouring the heat-insulating blanket 5 to dirty, and can also prevent the upper layer from breaking the heat-insulating interlayer 5 after roll bars, products and other accidents occur, if the separating layer structure is applied to the kiln, one kiln is divided into two independent channels by using a stable structure, the yield of two kilns can be produced in the area of one kiln, and the space occupied by production equipment is saved, not only the sintering efficiency is greatly improved, but also the utilization rate of heat is obviously increased, and the unit energy consumption of the product is reduced.
Preferably, the square beam 3 selects the hollow silicon carbide square beam 3 with high strength, the bearing brick 8 selects heavy high-alumina brick, the interlayer hollow plate 4 is a cordierite mullite hollow plate, the interlayer heat-insulating blanket 5 selects a zirconium-containing cotton blanket, the heat-insulating brick layer 6 selects light heat-insulating brick, and the protective plate 7 selects heavy high-alumina plate.
Further as preferred embodiment, well hollow plate 4 is in the interlayer evenly arranged is provided with a plurality of on the holding surface, two adjacent on vertical well hollow plate 4 is the echelonment overlap joint in the interlayer, two adjacent on vertical the junction of well hollow plate 4 is provided with ceramic paper in the interlayer, adjacent two on horizontal well hollow plate 4 splices each other through the buckle spare in the interlayer, the buckle spare including set up in the recess of well hollow plate 4 a lateral wall in the interlayer, set up in another the sand grip of well hollow plate 4 a lateral wall in the interlayer, the sand grip inserts in the recess. The adjacent interlayer hollow plates 4 can form a stable connecting structure by utilizing the fastener, and the adjacent interlayer hollow plates 4 are in step-shaped lap joint, so that hot air can be slowed down to penetrate out from gaps among the interlayer hollow plates 4, and the mutual influence between the upper part of the separation layer and the lower part of the separation layer is reduced.
Further as a preferred embodiment, the insulating brick layer 6 comprises a plurality of light bricks which are uniformly arranged, an expansion gap 53 is arranged between any two adjacent light bricks, and the expansion gap 53 is filled with insulating cotton. The space provided by the expansion joint 53 can prevent the light bricks from being extruded mutually when the bricks expand with heat and contract with cold, and the expansion joint 53 is filled with heat insulation cotton to reduce the leakage of hot air.
Further, in a preferred embodiment, a tampon 10 is disposed in the square hole, and the two ends of the square beam 3 are both filled with loose cotton 9, and preferably, the loose cotton 9 and the tampon 10 are both made of high temperature resistant materials.
The utility model also provides an energy-saving roller kilns, refer to fig. 1-11, this roller kilns is still including arranging row's smoke zone, preheating zone, the district of burning into, quench zone, slow cooling district, the tail cooling district that sets up in proper order, be provided with in row's smoke zone, preheating zone, the district of burning into the fire the cavity, all be provided with the cooling cavity in quench zone, the slow cooling district, fire cavity, cooling cavity and all set up along longitudinal extension, the chamber of burning into of smoke zone, preheating zone, the district of burning into with all be provided with in the cooling cavity of quench zone, slow cooling district a binary channels separate layer structure, make the chamber of burning into of row's smoke zone, preheating zone, burning into the district with the cooling cavity of quench zone, slow cooling district divide into cavity and upper chamber body, bearing brick 8 set up in the chamber of burning into with in the lateral wall of cooling cavity, arrange smoke zone, preheating zone, lower chamber, slow cooling zone, The upper cavity of the burning zone, the quenching zone and the slow cooling zone is internally provided with an upper layer conveying roller way 1 along the length extending direction thereof, and the lower cavity of the smoke discharge zone, the preheating zone, the burning zone, the quenching zone and the slow cooling zone is internally provided with a lower layer conveying roller way 2 along the length extending direction thereof. Through the separate layer, divide into cavity and lower cavity with every chamber of firing into with cooling cavity, be provided with the upper strata rollgang 1 that is used for carrying the adobe in every upper cavity, be provided with the lower floor rollgang 2 that is used for carrying the adobe in every lower cavity, so can produce the output of two kilns in the region of a kiln, improve the efficiency of firing by a wide margin.
Further as a preferred embodiment, the smoke exhaust zone, the preheating zone, the firing zone, the quenching zone and the slow cooling zone all include kiln body frames 11, the inner side wall of each kiln body frame 11 is sequentially provided with a side wall cotton plate 12 and a side wall light brick layer 13 from outside to inside, the inner bottom wall of each kiln body frame 11 is provided with a bottom wall light brick layer 14, the inner top walls of the kiln body frames 11 in the smoke exhaust zone, the preheating zone, the firing zone and the quenching zone are respectively provided with a hanging bracket 15, the hanging brackets 15 in the smoke exhaust zone, the preheating zone, the firing zone and the quenching zone are sequentially provided with a top wall heat insulation cotton layer 16 and a top wall hollow plate 17 from top to bottom, the smoke exhaust zone, the preheating zone, the firing zone, the side wall light brick layer 13 in the quenching zone, the bottom wall light brick layer 14 and the top wall hollow plate 17 respectively enclose the firing cavity of the smoke exhaust zone, the preheating zone, the firing cavity of the firing zone and the cooling cavity in the quenching zone, the top wall is provided with the cotton board of roof in the kiln body frame 11 in slow cold district, lateral wall light brick layer 13, diapire light brick layer 14, the cotton board of roof in the slow cold district enclose become in the slow cold district cooling cavity. The cooling cavity in quench zone, the smoke discharging zone, the preheating zone, the burning cavity in burning zone and the cooling cavity in slow cooling zone, its main difference point is the difference of roof, smoke discharging zone, the preheating zone, the cooling cavity roof in burning zone burning cavity and quench zone is lifted up with cavity board 17 in the roof with gallows 15 earlier, fix the cotton layer 16 of roof heat preservation on cavity board 17 in the roof again, and the cooling cavity roof in slow cooling zone is for saving the cost, only is equipped with the cotton board of roof.
In some embodiments, at least one draw hook 18 is connected between the side wall light brick layer 13 and the kiln body frame 11. One end of the draw hook 18 is embedded into the side wall light brick layer 13, and the other end is fixed on the kiln body frame 11 through bolts, so that the collapse accident of the kiln wall in the transportation process can be prevented.
The structure of the smoke exhaust area of the energy-saving roller kiln is as follows, an upper smoke exhaust system is arranged in the upper cavity of the smoke exhaust area, a lower layer smoke exhaust system is arranged in a lower cavity of the smoke exhaust machine, the upper layer smoke exhaust system comprises a first roller upper flue 19, a first roller lower flue 47, a first falling pipe 20, an upper layer smoke main pipe 21 and a first smoke exhaust fan 22, the first roller upper flue channel 19 is arranged on the side wall of the upper cavity and above the upper-layer conveying roller way 1, the first roller lower flue 47 is arranged on the side wall of the upper cavity and below the upper layer conveying roller way 1, the first roller upper flue 19 and the first roller lower flue 47 are communicated with the upper layer flue gas main pipe 21 through the first falling pipe 20, the upper layer flue gas main pipe 21 is connected to an air inlet of the first exhaust fan 22, and an air outlet of the first exhaust fan 22 is connected with a chimney 29 through a pipeline. The lower smoke exhaust system comprises a second roller upper support flue 24, a second roller lower support flue 25, a second lower drop pipe 26, a lower smoke exhaust fan 27 and a second smoke exhaust fan 28, the second roller upper support flue 24 is arranged on the lower cavity side wall and is positioned above the lower layer conveying roller way 2, the second roller lower support flue 25 is arranged on the lower cavity side wall and is positioned below the lower layer conveying roller way 2, the second roller upper support flue 24 and the second roller lower support flue 25 are both communicated with the lower layer smoke exhaust fan 27 through the second lower drop pipe 26, the lower layer smoke exhaust fan 27 is connected with an air inlet of the second smoke exhaust fan 28, and an air outlet of the second smoke exhaust fan 28 is connected with the chimney 29 through a pipeline. A smoke exhaust area fan platform 23 is arranged in the smoke exhauster, smoke above an upper conveying roller way 1 in the smoke exhaust area and smoke below the upper conveying roller way 1 are respectively converged into a first falling pipe 20 from a first roller upper flue 19 and a first roller lower flue 47 and flow into an upper smoke main pipe 21, smoke above a lower conveying roller way 2 in the smoke exhaust area and smoke below a lower conveying roller way 2 are respectively converged into a second falling pipe 26 from a second roller upper flue 24 and a second roller lower flue 25 and flow into a lower smoke main pipe 27, the upper smoke main pipe 21 and the lower smoke main pipe 27 share a chimney 29 arranged on the smoke exhaust area fan platform 23 to exhaust the smoke, and the smoke is directly exhausted from the chimney 29 or exhausted after desulfurization and denitrification of ceramic enterprises during smoke exhaust, the smoke amount is automatically controlled through a smoke exhaust branch pipe, a main pipe butterfly valve and a fan frequency converter, and combustion products are balanced, and stabilizing the kiln pressure.
Further as a preferred embodiment, a communicating pipe 54 is connected between the upper flue gas main pipe 21 and the lower flue gas main pipe 27, a first butterfly valve 55 is arranged in the communicating pipe 54, a second butterfly valve 56 is arranged at the joint of the upper flue gas main pipe 21 and the first smoke exhaust fan 22, and a third butterfly valve 57 is arranged at the joint of the lower flue gas main pipe 27 and the second smoke exhaust fan 28. When two smoke exhaust fans exhaust smoke independently, a first butterfly valve 55 in the communicating pipe 54 is closed, and a second butterfly valve 56 and a third butterfly valve 57 in the upper layer smoke main pipe 21 and the lower layer smoke main pipe 27 are opened respectively; when a certain smoke exhaust fan is damaged or only one of the smoke exhaust fans needs to be opened to simultaneously exhaust smoke in the upper-layer channel and the lower-layer channel, the butterfly valve of the fan needing to be stopped is closed, and the first butterfly valve 55 in the communicating pipe 54 is opened.
Further as a preferred embodiment, a first air inlet and a second air inlet are arranged on the communicating pipe 54, the first air inlet is arranged between the first butterfly valve 55 and the second butterfly valve 56, the second air inlet is arranged between the first butterfly valve 55 and the third butterfly valve 57, a first gate valve 58 is arranged in the first air inlet, and a second gate valve 59 is arranged in the second air inlet. Due to the high temperature of the flue gas, cold air is required to be introduced to reduce the temperature below the rated temperature of the fan, and the cold air passes through the first gate valve 58 and the second gate valve 59 respectively to control the amount of cold air entering the first air inlet and the second air inlet.
The high-temperature combustion area structure of the energy-saving roller kiln is as follows, a first combustion control group and a second combustion control group are arranged in an upper cavity of a combustion area, the first combustion control group is positioned above an upper-layer conveying roller way 1, the second combustion control group is positioned below the upper-layer conveying roller way 1, the first combustion control group comprises a first gas hose 31, a first burner 32 and a second burner 33, the first burner 32 is arranged on one side wall in the upper cavity, the second burner 33 is arranged on the other side wall in the upper cavity, the first burner 32 and the second burner 33 are positioned above the upper-layer conveying roller way 1 and are uniformly provided with a plurality of burners along the length extension direction of the upper-layer conveying roller way 1, and all the first burners 32 and all the second burners 33 are staggered in the same horizontal direction, the first gas hose 31 is respectively connected to all the first burners 32 and the second burners 33 through pipelines, the second combustion control group includes second gas hoses 37, third burners 34 and fourth burners 35, the third burners 34 are arranged on one side wall of the upper cavity, the fourth burners 35 are arranged on the other side wall of the upper cavity, the third burners 34 and the fourth burners 35 are positioned below the upper-layer conveying roller way 1 and are uniformly arranged along the length extension direction of the upper-layer conveying roller way 1, all the third burners 34 and all the fourth burners 35 are staggered in the same horizontal direction, the second gas hoses 37 are respectively connected to all the third burners 34 and all the fourth burners 35 through pipelines, an upper-layer combustion-supporting air pipe 30 is arranged on the kiln body frame 11, and the upper-layer combustion-supporting air pipe 30 is respectively connected to all the first burners 32, the second burners 35, and the combustion-supporting air pipes 30 through pipelines, A second burner 33, a third burner 34, and a fourth burner 35. The first combustion control group mainly adjusts the firing temperature above the upper-layer conveying roller way 1 of the upper cavity, the first gas hose 31 is connected to the fuel ports of all the first burners 32 and the second burners 33 through pipelines and supplies gas, valves can be arranged at the joints of all the pipelines and used for controlling the circulation of the gas, and the temperature of each burner can be independently adjusted, so that a complex firing curve is realized, similarly, the second combustion control group mainly adjusts the firing temperature below the upper-layer conveying roller way 1 of the upper cavity, the second gas hose 37 is connected to the fuel ports of all the third burners 34 and the fourth burners 35 through pipelines and supplies gas, and the upper-layer combustion-supporting air pipe 30 is connected to the air inlets of the first burners 32, the second burners 33, the third burners 34 and the fourth burners 35 through pipelines and supplies combustion-supporting air.
Further as a preferred embodiment, a third combustion control group and a fourth combustion control group are arranged in a lower cavity of the firing zone, the third combustion control group is located above the lower-layer conveying roller way 2, the fourth combustion control group is located below the lower-layer conveying roller way 2, the third combustion control group comprises a third gas hose 66, a fifth burner 38 and a sixth burner 39, the fifth burner 38 is arranged on one side wall in the lower cavity, the sixth burner 39 is arranged on the other side wall in the lower cavity, the fifth burner 38 and the sixth burner 39 are arranged above the lower-layer conveying roller way 2 and are uniformly arranged along the length extension direction of the lower-layer conveying roller way 2, all the fifth burners 38 and all the sixth burners 39 are arranged in a staggered manner in the same horizontal direction, and the third gas hose 66 is respectively connected to all the fifth burners 38, all the sixth burners 39 through pipelines, A sixth burner 39, the fourth combustion control group includes a fourth gas hose 67, a seventh burner 40, and eighth burners 41, the seventh burner 40 is disposed on a side wall of the lower cavity, the eighth burners 41 are disposed on another side wall of the lower cavity, the seventh burner 40 and the eighth burners 41 are disposed below the lower roller conveyor 2 and are uniformly disposed along a length extending direction of the lower roller conveyor 2, all the seventh burners 40 and all the eighth burners 41 are staggered in the same horizontal direction, the fourth gas hose 67 is connected to all the seventh burners 40 and the eighth burners 41 through pipelines, the kiln body frame 11 is provided with a lower combustion-supporting air duct 36, and the lower combustion-supporting air duct 36 is connected to all the fifth burners 38, the sixth burners 39, the seventh burners 40, and the eighth burners 41 through pipelines, An eighth burner 41. Similarly, the third combustion control group mainly adjusts the firing temperature in the upper part of the lower cavity lower layer conveying roller way 2, the third gas hose 66 is connected to the fuel ports of all the fifth burners 38 and the sixth burners 39 through pipelines and supplies gas, a valve can be arranged at the joint of each pipeline and is used for controlling the circulation of the gas to independently adjust the temperature of each burner, thereby realizing a complex firing curve, the fourth combustion control group mainly adjusts the firing temperature in the lower part of the lower cavity lower layer conveying roller way 2, the fourth gas hose 67 is connected to the fuel ports of all the seventh burners 40 and the eighth burners 41 through pipelines and supplies gas, and the lower combustion-supporting air pipe 36 is connected to the air inlets of the fifth burners 38, the sixth burners 39, the seventh burners 40 and the eighth burners 41 through pipelines and supplies combustion-supporting air.
In some embodiments, accommodating channels are respectively arranged on the inner side wall of the firing cavity of the firing zone corresponding to the positions of the first burner 32, the second burner 33, the third burner 34, the fourth burner 35, the fifth burner 38, the sixth burner 39, the seventh burner 40 and the eighth burner 41, a heavy high-alumina sleeve 42 is built in the accommodating channels, a burner sleeve 43 is installed in the heavy high-alumina sleeve 42, a cotton blanket 44 is arranged between the burner sleeve 43 and the heavy high-alumina sleeve 42, and the first burner 32, the second burner 33, the third burner 34, the fourth burner 35, the fifth burner 38, the sixth burner 39, the seventh burner 40 and the eighth burner 41 are correspondingly installed in the burner sleeve 43. The stainless steel sleeve, the air nozzle and the air nozzle sheet of the burner are arranged in a burner sleeve 43 wrapped with a cotton blanket 44 at the periphery, the material of the burner sleeve 43 is silicon carbide, which is equivalent to a combustion chamber, and a heavy high-aluminum sleeve 42 is used for preventing the cotton blanket 44 and a light cotton plate of the side wall of the area from being burnt out by high-temperature combustion flame after the burner sleeve 43 is broken.
In some embodiments, the first combustion control group further includes a first temperature control instrument, a first thermocouple 68 disposed above the upper-layer rollgang 1, a first electric valve 72 is disposed on a pipe in front of the first gas hose 31, the second combustion control group further includes a second temperature control instrument, a second thermocouple 69 disposed below the upper-layer rollgang 1, a second electric valve 73 is disposed on a pipe in front of the second gas hose 37, the third combustion control group further includes a third temperature control instrument, a third thermocouple 70 disposed above the lower-layer rollgang 2, a third electric valve 74 is disposed on a pipe in front of the third gas hose 66, the fourth combustion control group further includes a fourth temperature control instrument, a fourth thermocouple 71 disposed below the lower-layer rollgang 2, and a fourth electric valve 75 is disposed on a pipe in front of the fourth gas hose 67, the temperature control instrument is electrically connected to all of the thermocouples, the first electric valve 72, the second electric valve 73, the third electric valve 74 and the fourth electric valve 75. In every burning control group, still be equipped with the solenoid valve that is used for safety protection respectively, can close gas automatically after the outage, combustion-supporting wind before the nozzle generally is the scale butterfly valve, the size of the convenient regulation amount of wind, the motorised valve is linear valve, can change the gas supply volume of nozzle according to the temperature signal regulation valve size of receiving, thereby the automatic control temperature, the temperature of upper rollgang 1 top is controlled through first motorised valve 72 in the upper chamber, the temperature of upper rollgang 1 below is controlled through second motorised valve 73, the temperature of lower rollgang 2 top is controlled through third motorised valve 74 in the lower chamber, the temperature of lower rollgang 2 below is controlled through fourth motorised valve 75, make the accuse temperature relatively independent under the roller, adjust the temperature better, reduce the energy consumption.
In some embodiments, the inside walls of the upper cavity and the lower cavity of the firing zone are provided with a plurality of on-roller fire observation bricks and under-roller fire observation bricks, the on-roller fire observation bricks are located above the upper-layer conveying roller way 1 and above the lower-layer conveying roller way 2, first fire observation holes 45 are formed in the on-roller fire observation bricks, the first fire observation holes 45 are arranged in a downward inclination mode along the direction close to the firing cavity, the under-roller fire observation bricks are located below the upper-layer conveying roller way 1 and below the lower-layer conveying roller way 2, second fire observation holes 46 are formed in the under-roller fire observation bricks, and the second fire observation holes 46 are arranged in a horizontal extending mode along the direction close to the firing cavity. Through first sight fire hole 45, convenient direct observation goes out opposite nozzle combustion state, also can observe adobe operation condition downwards, if crooked, and through second sight fire hole 46, mainly observe opposite nozzle combustion state, if extinguish, emit black cigarette etc. to make things convenient for the adjustment burning flame.
This energy-saving roller kilns's cooling zone structure is as follows, is provided with the tail cold passageway in the tail cold district to equally be provided with upper rollgang 1 and lower floor rollgang 2 in the tail cold passageway, be different from the firing chamber body and the cooling chamber body in other districts, there is not the separate layer in this tail cold passageway, is provided with the rapid cooling subassembly in the cooling chamber body in rapid cooling district, follow in the cooling chamber body in slow cooling district the rapid cooling district extremely the direction in tail cold district has set gradually heat exchange assembly and heat extraction subassembly, be provided with the tail cold subassembly in the tail cold passageway. The temperature in the quenching zone, the slow cooling zone and the tail cooling zone is respectively controlled by the quenching component, the heat exchange component, the heat extraction component and the tail cooling component.
Further as a preferred embodiment, the quenching assembly includes a quenching air inlet pipe, a quenching air supply fan communicated with one end of the quenching air inlet pipe, and a quenching air blowing branch pipe 64 communicated with the other end of the quenching air inlet pipe, the quenching air blowing branch pipe 64 penetrates through the inner side wall of the cooling cavity, the quenching air blowing branch pipe 64 is provided with a plurality of quenching air blowing branch pipes 64 along the length direction of the cooling cavity, the quenching air blowing branch pipes 64 are provided above and below the upper-layer rollgang 1 and above and below the lower-layer rollgang 2, and each quenching air blowing branch pipe 64 is provided with a plurality of quenching air blowing holes. Cold air is conveyed by the quenching air supply fan and blown out from the quenching blow holes to directly blow products on the upper-layer rollgang 1 and the lower-layer rollgang 2, and the air volume of the single quenching blow branch pipe 64 is finely adjusted by a manual valve. The direction of the blowing air can be adjusted by rotating the quenching blowing branch pipe 64. The quenching blowing branch pipes 64 supply air through the two side air boxes 52 at the same time so as to ensure that the air outlet size of each air hole is uniform, thereby reducing the temperature difference of the cross section.
Further as preferred embodiment, heat exchange assembly include the heat exchange air-supply line, communicate in the heat exchange air exhauster of heat exchange air-supply line one end, communicate in the heat exchange tube 65 of the heat exchange air-supply line other end, communicate in heat exchange tube 65 keeps away from the heat exchange exhaust pipe of heat exchange air-supply line one end, heat exchange tube 65 alternate in the inside wall of cooling chamber, heat exchange tube 65 follows the length direction of cooling chamber is provided with a plurality of, the top and the below of upper rollgang 1 the top and the below of lower floor's rollgang 2 all are provided with heat exchange tube 65. The cooling mode in the slow cooling district is different from the cooling mode in quick cooling district, and indoor air does not enter the kiln in heat exchange tube 65, follows heat exchange tube 65 one side air inlet promptly, flows to the opposite side along the cross-section and flows to exhaust fan pipeline discharge. In the process of flowing cold air in the heat exchange tube 65, the air temperature gradually rises, and the temperature in the kiln gradually falls. Since the cold air does not directly contact the product, the cooling is even and gentler than the direct air blow cooling. The hot air is relatively clean, and at present, the discharged clean hot air is used for combustion supporting or drying so as to save energy. In some embodiments, any two adjacent heat exchange tubes 65 have opposite air directions inside, so that the temperature is more uniform.
Further as a preferred embodiment, the heat extraction assembly further comprises a heat extraction blower, a heat extraction air outlet pipe connected to an air outlet of the heat extraction blower, a heat extraction branch pipe connected to an air inlet of the heat extraction blower, an air extraction pipe on the heat extraction roller communicated with the heat extraction branch pipe through a pipeline, and an air extraction pipe under the heat extraction roller communicated with the heat extraction branch pipe through a pipeline, wherein the air extraction pipe on the heat extraction roller and the air extraction pipe under the heat extraction roller are both arranged along the length direction of the cooling cavity, the air extraction pipe on the heat extraction roller is arranged above the upper layer conveying roller bed 1 and above the lower layer conveying roller bed 2, and the air extraction pipe under the heat extraction roller is arranged below the upper layer conveying roller bed 1 and below the lower layer conveying roller bed 2. Hot air cooled in a quenching zone can be extracted through an upper exhaust pipe of the heat-extracting roller and a lower exhaust pipe of the heat-extracting roller so as to maintain the pressure balance in the kiln, and the heat can be recycled, wherein the pressure balance of the quenching zone is related to the energy consumption and the temperature stability of a burning zone. Not only preventing the smoke of the burning zone from flowing back to the cooling zone to cause the smoking defect, but also preventing the cooled hot air from flowing into the burning zone too much to cause the increase of energy consumption after the temperature fluctuation.
Further as a preferred embodiment, the length of the upper heat-extracting roller extraction duct is greater than half the width of the cooling chamber, and the length of the lower heat-extracting roller extraction duct is less than half the width of the cooling chamber. The air extraction pipe on the heat extraction roller extends into the kiln and exceeds the central line of the kiln body so as to uniformly extract hot air and ensure the temperature difference and the air pressure of the cross section.
Further as a preferred embodiment, the tail cooling assembly includes a tail cooling main air pipe 60, a tail cooling air supply blower 50 communicated with one end of the tail cooling main air pipe 60, and a tail cooling blowpipe 51 communicated with the other end of the tail cooling main air pipe 60, the tail cooling blowpipe 51 is inserted into the inner side wall of the tail cooling passage, a plurality of the tail cooling blowpipes 51 are arranged along the length direction of the tail cooling passage, the tail cooling blowpipes 51 are arranged above and below the upper layer conveying roller way 1 and above and below the lower layer conveying roller way 2, and each tail cooling blowpipe 51 is provided with a plurality of tail cooling blowholes. The cooling method in tail cold district is similar with the cooling method in quench district, the high temperature resistance of material of tail cold blast pipe 51 can be lower than the high temperature resistance of material of quenching blast branch pipe 64, cold wind passes through the transport of the cold air supply fan 50 of tail on the fan platform 48 in tail cold district, enter into the bellows 52 from the cold total tuber pipe 60 of tail about the roller stick of both sides in the kiln, blow out from tail cold blast hole department behind tail cold blast pipe 51, to upper rollgang 1, the product on the rollgang 2 of lower floor is directly blown, the amount of wind of single tail cold blast pipe 51 is finely tuned by manual valve. The blowing direction can be adjusted by rotating the tail cold blowing pipe 51.
Further as preferred embodiment, the cold subassembly of tail still includes the cold air exhauster 49 of tail, connect in the cold tuber pipe of tail of the cold air exhauster 49 air outlet of tail, connect in the cold branch pipe 61 of tail of the cold air exhauster 49 air intake of tail, through the pipeline with exhaust column 62 on the cold roller of tail that branch pipe 61 communicates each other, through the pipeline with exhaust column 63 under the cold roller of tail that branch pipe 61 communicates each other, exhaust column 62 on the cold roller of tail, exhaust column 63 all follow under the cold roller of tail the length direction of cooling chamber is provided with a plurality of, upper rollgang 1's top lower floor's rollgang 2 all is provided with exhaust column 62 on the cold roller of tail, upper rollgang 1's below lower floor's rollgang 2 below all is provided with exhaust column 63 under the cold roller of tail. Hot air cooled in the tail cooling area can be extracted through the upper exhaust pipe 62 of the tail cooling roller and the lower exhaust pipe 63 of the tail cooling roller to maintain air pressure balance, heat recycling can also be carried out, after heat of the tail cooling area, the slow cooling area and the rapid cooling area is sequentially recycled, the mixed air temperature can reach more than 250 ℃, combustion supporting can be carried out, and redundant clean hot air is used for drying green bricks to reduce fuel consumption in the ceramic production process. In some embodiments, the upper exhaust pipe 62 of the tail cooling roller and the lower exhaust pipe 63 of the tail cooling roller are hung on the top wall of the kiln frame through a plurality of hooks, so that the influence of deformation of the pipeline at high temperature is reduced.
Further as a preferred embodiment, the length of the tail cold roll upper exhaust pipe 62 is greater than half of the width of the cooling cavity, and the length of the tail cold roll lower exhaust pipe 63 is less than half of the width of the cooling cavity. Similarly, the exhaust pipe 62 extends into the kiln and exceeds the central line of the kiln body, so as to uniformly exhaust hot air and ensure the temperature difference and the air pressure of the cross section.
Further as preferred embodiment, upper rollgang 1 includes upper driving motor, set up in go up the internal first conveying roller of cavity, first conveying roller is followed the length direction align to grid of last cavity is provided with a plurality of, upper driving motor and all first conveying roller transmission is connected, lower rollgang 2 includes lower driving motor, set up in the internal second conveying roller of cavity down, the second conveying roller is followed the length direction align to grid of cavity down is provided with a plurality of, lower driving motor and all the transmission of second conveying roller is connected. The upper-layer conveying roller way 1 and the lower-layer conveying roller way 2 which are positioned in the tail cooling channel adopt the same structure, a plurality of first conveying rollers and second conveying rollers are uniformly arranged along the length direction along the inner wall of the tail cooling channel, and are driven by an upper-layer driving motor and a lower-layer driving motor respectively. The adobe is placed on first conveying roller, on the second conveying roller, thereby propelling movement forward, it is specific, go up the internal first conveying roller of cavity by upper drive motor drive, the first conveying roller of cavity can be alone by an upper drive motor drive respectively in every district, the first conveying roller of cavity in the same upper drive motor drive of usable each district of going up of also, so every first conveying roller is all rotatable, the realization is with the adobe propelling movement, the drive structure of same second conveying roller is the same with the drive structure of first conveying roller.
Further as a preferred embodiment, a plurality of accident holes on the first roller and accident holes under the first roller are arranged in the upper cavity of the smoke discharge zone, the preheating zone, the firing zone, the quenching zone and the slow cooling zone along the length extension direction of the upper cavity, the accident holes on the first roller are positioned above the upper layer conveying roller way 1, the accident holes under the first roller are positioned below the upper layer conveying roller way 1, a plurality of accident holes on the second roller and accident holes under the second roller are arranged in the lower cavity of the smoke discharge zone, the preheating zone, the firing zone, the quenching zone and the slow cooling zone along the length extension direction of the lower cavity, the accident holes on the second roller are positioned above the lower layer conveying roller way 2, and the accident holes under the second roller are positioned below the lower layer conveying roller way 2. Accident hole on the first roller and accident hole on the second roller establish and both can look over the adobe operation condition in the product top, also can handle and fold the brick, and accident hole establish in the product below under the first roller, if accident such as broken roller falls the brick, can directly handle and clean the waste residue.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. A two-channel spacer layer structure, comprising: including cavity board, interlayer insulation blanket, insulating brick layer, protection shield in square beam, interlayer, set up in the bearing brick at square beam both ends, the square beam is provided with a plurality of, every along vertical align to arrange bearing brick is just right the position of square beam all is provided with the square hole, every the both ends of square beam insert respectively rather than just right in the square hole, all the top surface of square beam forms a holding surface, cavity board, interlayer insulation blanket, insulating brick layer, protection shield are arranged the setting in proper order by supreme down in the interlayer on the holding surface.
2. A dual channel spacer layer structure as claimed in claim 1 wherein: the well board is in the interlayer evenly arranged is provided with a plurality of on the holding surface, two adjacent on vertical the well board is the echelonment overlap joint in the interlayer, two adjacent on vertical the junction of well board in the interlayer is provided with ceramic paper, two adjacent on horizontal the well board passes through the mutual concatenation of buckle spare in the interlayer, buckle spare including set up in the recess of a well board lateral wall in the interlayer, set up in another the sand grip of a well board lateral wall in the interlayer, the sand grip inserts in the recess.
3. A dual channel spacer layer structure as claimed in claim 1 wherein: the heat-insulating brick layer comprises a plurality of light bricks which are uniformly arranged, an expansion joint is arranged between any two adjacent light bricks, and heat-insulating cotton is filled in the expansion joint.
4. A dual channel spacer layer structure as claimed in claim 1 wherein: the square hole is internally provided with a cotton plug, and the two ends of the square beam are internally filled with loose cotton.
5. An energy-saving roller kilns which characterized in that: comprises a smoke exhaust area, a preheating area, a burning area, a quenching area, a slow cooling area and a tail cooling area which are sequentially arranged, wherein burning cavities are arranged in the smoke exhaust area, the preheating area and the burning area, cooling cavities are arranged in the quenching area and the slow cooling area, the burning cavities and the cooling cavities are longitudinally extended, the burning cavities of the smoke exhaust area, the preheating area and the burning area and the cooling cavities of the quenching area and the slow cooling area are internally provided with a double-channel separating layer structure as claimed in any one of claims 1-4, so that the burning cavities of the smoke exhaust area, the preheating area and the burning area and the cooling cavities of the quenching area and the slow cooling area are divided into an upper cavity and a lower cavity, bearing bricks are arranged in the side walls of the burning cavities and the cooling cavities, and an upper conveying layer is arranged in the upper cavities of the smoke exhaust area, the preheating area, the burning area, the quenching area and the slow cooling area along the length extension direction of the roller way, and a lower layer conveying roller way is arranged in the lower cavity of the smoke discharge zone, the preheating zone, the sintering zone, the quenching zone and the slow cooling zone along the length extension direction of the lower cavity.
6. The energy-saving roller kiln as claimed in claim 5, wherein: the smoke exhaust area, the preheating area, the firing area, the quenching area and the slow cooling area all comprise kiln body frames, the inner side wall of each kiln body frame is sequentially provided with a side wall cotton plate and a side wall light brick layer from outside to inside, the inner bottom wall of each kiln body frame is provided with a bottom wall light brick layer, the inner top walls of the kiln body frames in the smoke exhaust area, the preheating area, the firing area and the quenching area are respectively provided with a hanging frame, the hanging frames in the smoke exhaust area, the preheating area, the firing area and the quenching area are sequentially provided with a top wall heat insulation cotton layer and a top wall hollow plate from top to bottom, the smoke exhaust area, the preheating area, the firing area, the side wall light brick layer in the quenching area, the firing cavity in the smoke exhaust area, the preheating area, the firing area and the cooling cavity in the quenching area are respectively enclosed by the side wall light brick layer, the bottom wall light brick layer and the top wall hollow plate, the top wall in the slow cooling area is provided with a cotton plate, the side wall light brick layer, the bottom wall light brick layer and the top wall cotton plate in the slow cooling area are enclosed to form the cooling cavity in the slow cooling area.
7. The energy-saving roller kiln as claimed in claim 5, wherein: a smoke exhaust system is arranged in the smoke exhaust area, the smoke exhaust system comprises a first roller upper support flue, a first roller lower support flue, a first drop pipe, an upper layer flue gas main pipe, a first smoke exhaust fan, a second roller upper support flue, a second roller lower support flue, a second drop pipe, a lower layer flue gas main pipe, a second smoke exhaust fan and a chimney, the first roller upper support flue is arranged on the side wall of the upper cavity of the smoke exhaust area and is positioned above the upper layer conveying roller way, the first roller lower support flue is arranged on the side wall of the upper cavity of the smoke exhaust area and is positioned below the upper layer conveying roller way, the first roller upper support flue and the first roller lower support flue are communicated with the upper layer flue gas main pipe through the first drop pipe, the air inlet of the first smoke exhaust fan is communicated with the upper layer flue gas main pipe, and the air outlet of the first smoke exhaust fan is connected to the chimney through a pipeline, the second roller upper supporting flue is arranged on the lower cavity side wall of the smoke exhaust area and is located above the lower conveying roller way, the second roller lower supporting flue is arranged on the lower cavity side wall of the smoke exhaust area and is located below the lower conveying roller way, the second roller upper supporting flue and the second roller lower supporting flue are communicated with the lower flue gas main pipe through the second lower falling pipe, the air inlet of the second smoke exhaust fan is communicated with the lower flue gas main pipe, and the air outlet of the second smoke exhaust fan is connected to the chimney through a pipeline.
8. The energy-saving roller kiln according to claim 6, characterized in that: a first combustion control group and a second combustion control group are arranged in an upper cavity of the combustion area, the first combustion control group is positioned above the upper-layer conveying roller way, the second combustion control group is positioned below the upper-layer conveying roller way, the first combustion control group comprises a first gas hose, a first burner and a second burner, the first burner is arranged on one side wall in the upper cavity, the second burner is arranged on the other side wall in the upper cavity, the first burner and the second burner are positioned above the upper-layer conveying roller way and are uniformly provided with a plurality of burners along the length extension direction of the upper-layer conveying roller way, all the first burners and all the second burners are arranged in a staggered mode in the same horizontal direction, and the first gas hose is respectively connected to all the first burners and the second burners through pipelines, the second combustion control group comprises a second gas hose, a third burner and a fourth burner, the third burner is arranged on one side wall of the upper cavity, the fourth burner is arranged on the other side wall of the upper cavity, the third burner and the fourth burner are positioned below the upper layer conveying roller way and uniformly provided with a plurality of burners along the length extension direction of the upper layer conveying roller way, all the third burners and all the fourth burners are arranged in a staggered mode in the same horizontal direction, the second gas hose is connected to all the third burners and the fourth burners through pipelines, an upper combustion-supporting air pipe is arranged on a kiln body frame of the combustion area, and the upper combustion-supporting air pipe is connected to all the first burner, the second burner, the third burner and the fourth burner through pipelines.
9. The energy-saving roller kiln as claimed in claim 8, wherein: the lower cavity of the burning area is internally provided with a third combustion control group and a fourth combustion control group, the third combustion control group is positioned above the lower-layer conveying roller way, the fourth combustion control group is positioned below the lower-layer conveying roller way, the third combustion control group comprises a third gas hose, a fifth burner and a sixth burner, the fifth burner is arranged on one side wall in the lower cavity, the sixth burner is arranged on the other side wall in the lower cavity, the fifth burner and the sixth burner are positioned above the lower-layer conveying roller way and uniformly provided with a plurality of burners along the length extending direction of the lower-layer conveying roller way, all the fifth burners and all the sixth burners are arranged in a staggered mode in the same horizontal direction, and the third gas hose is respectively connected with all the fifth burners and the sixth burners through pipelines, the fourth combustion control group comprises a fourth gas hose, a seventh burner and an eighth burner, the seventh burner is arranged on one side wall of the lower cavity, the eighth burner is arranged on the other side wall of the lower cavity, the seventh burner and the eighth burner are located below the lower-layer conveying roller way and uniformly provided with a plurality of burners along the length extending direction of the lower-layer conveying roller way, all the seventh burners and all the eighth burners are arranged in a staggered mode in the same horizontal direction, the fourth gas hose is respectively connected to all the seventh burner and the eighth burner through pipelines, a lower-layer combustion-supporting air pipe is arranged on a kiln body frame of the combustion area, and the lower-layer combustion-supporting air pipe is respectively connected to all the fifth burner, the sixth burner, the seventh burner and the eighth burner through pipelines.
10. The energy-saving roller kiln as claimed in claim 9, wherein: the utility model discloses a roller bed, including upper roller, lower roller, fume exhaust zone, preheating zone, burning zone, quench zone, slow cooling zone, accident hole under the upper chamber is internal to be provided with accident hole and first roller on a plurality of first roller along its length extending direction in the upper chamber, accident hole is located on the first roller the top of upper rollgang, accident hole is located under the first roller the below of upper rollgang, the cavity of lower chamber of fume exhaust zone, preheating zone, burning zone, quench zone, slow cooling zone is internal to be provided with accident hole and second roller under accident hole on a plurality of second roller along its length extending direction in the lower chamber, accident hole is located on the second roller the top of lower floor rollgang, accident hole is located under the second roller the below of lower floor rollgang.
CN201922183470.7U 2019-08-28 2019-12-06 Double-channel separation layer structure and energy-saving roller kiln Active CN211601538U (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117490403A (en) * 2023-12-28 2024-02-02 福建省漳州瑞成陶瓷有限公司 Quick-firing roller kiln

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CN2407316Y (en) * 1999-10-11 2000-11-22 湖北省黄冈市中陶窑业技术开发有限公司 Multi-channel firing roller kiln
CN200986383Y (en) * 2006-12-20 2007-12-05 饶有信 Double-layer roll table kiln
CN201166516Y (en) * 2007-11-20 2008-12-17 广东科达机电股份有限公司 Double-layer ceramic roller way kiln
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117490403A (en) * 2023-12-28 2024-02-02 福建省漳州瑞成陶瓷有限公司 Quick-firing roller kiln
CN117490403B (en) * 2023-12-28 2024-03-19 福建省漳州瑞成陶瓷有限公司 Quick-firing roller kiln

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