CN110296600A - A kind of polychrome is sintered the firing system and process for calcining of permeable earthenware brick - Google Patents
A kind of polychrome is sintered the firing system and process for calcining of permeable earthenware brick Download PDFInfo
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- CN110296600A CN110296600A CN201910717369.7A CN201910717369A CN110296600A CN 110296600 A CN110296600 A CN 110296600A CN 201910717369 A CN201910717369 A CN 201910717369A CN 110296600 A CN110296600 A CN 110296600A
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- chilling
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- adobe
- kiln
- combustion
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- 239000011449 brick Substances 0.000 title claims abstract description 79
- 238000010304 firing Methods 0.000 title claims abstract description 48
- 238000001354 calcination Methods 0.000 title claims abstract description 36
- 229910052571 earthenware Inorganic materials 0.000 title claims abstract description 30
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008569 process Effects 0.000 title abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 239000000567 combustion gas Substances 0.000 claims abstract description 19
- 239000003345 natural gas Substances 0.000 claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- 239000003086 colorant Substances 0.000 claims abstract description 9
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 238000001035 drying Methods 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 6
- 210000001520 comb Anatomy 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000004044 response Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 43
- 230000005540 biological transmission Effects 0.000 description 18
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 16
- 239000000463 material Substances 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000004017 vitrification Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004523 agglutinating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/02—Furnaces 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
- F27B9/028—Multi-chamber type furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces 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
- F27B9/20—Furnaces 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
- F27B9/24—Furnaces 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
- F27B9/2407—Furnaces 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)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6586—Processes characterised by the flow of gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces 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
- F27B2009/124—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3638—Heaters located above and under the track
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Abstract
The invention discloses the firing systems that a kind of polychrome is sintered permeable earthenware brick, the area of turning green, chilling area and cooling area of kiln structure are set as including calcining kiln and subsequent cascaded, the calcining kiln and area of turning green is respectively provided with two rows in the upper and lower part of mobile adobe and burns rifle, burn rifle include by solenoid valve control and with separate valve control combustion-supporting port and combustion gas port, for different colours product change combustion air and natural gas input ratio；Firing system of the invention uses pipelining, overcome conventional tunnel kiln mode can not quantity-produced it is insufficient, the production cycle of product is greatly saved；Unified firing is used for every adobe in production line simultaneously, is turned green and the processes such as chilling, the reaction condition that adobe is subject to is consistent, it avoids in tunnel oven baking reduction because kiln body area is big, reducing flame and by thermal response it is uneven caused by a batch finished product color difference it is different, the problems such as quality is inconsistent, it is ensured that product quality.
Description
Technical field
The invention belongs to the field of building materials, it is related to firing system and process for calcining that a kind of polychrome is sintered permeable earthenware brick.
Background technique
Main material one of of the urban water-through brick as sponge urban construction has been widely recognized, traditional water-permeable brick tool
There are permeable, the functions such as water conservation and finishing, porosity is up to 30%, and microporous permeable effect with higher, road surface year rainwater is cut
Allowance is up to 45%.In rainwater weather, rainwater quickly can enter underground through water-permeable brick, to supplement underground water capital increasingly in short supply.
Under sunny weather, the moisture in brick is accumulated in by transpiration, balances surface temperature.Permeable brick paving is in winter and its
His road surface, which is compared, higher temperature and relative humidity, has the function of mitigating greenhouse effects, then environmentally friendly function with higher
Energy.
Ceramic water-permeable brick is one kind of water-permeable brick, and ceramic water-permeable brick refers to that, using the screened sorting of ceramic raw material, tissue closes
Grain composition is managed, after adding bonding agent, through molding, drying, high temperature sintering and the high-quality permeable building materials formed.At present for city
Permeable earthenware brick, other than requiring good water permeability, it is also necessary to resistance to compression, anti-skidding, cold-resistant, weather resistance, while according to city
Design also requires the color of brick.Application No. is 201610126755.5 Chinese patent " a kind of ecological permeable Ceramic Tiles and
Its production method " describes a kind of ecological permeable Ceramic Tiles and its production method, will be added in mixed material appropriate red or green
Color pigment, compression moulding are placed in kiln, first 1~2 hour dry under conditions of 100~120 DEG C, place into 1180~1200
It is calcined 3~5 hours under degree high temperature, is cooled to room temperature taking-up to furnace temperature, that is, can be made into red or cyan permeable Ceramic Tiles.It is above-mentioned
For technology in practical applications the problem is that chemical color is added in the regulation needs of water-permeable brick color in embryo material, technique is multiple
Miscellaneous, at high cost, not environmentally, and the addition of pigment influences whether the performance of brick.Furthermore existing permeable earthenware brick is all made of tunnel
The production method of kiln, is accomplished to finished product and comes out of the stove and need tens of hours time, to have seriously affected the production of product from adobe preparation
Efficiency, furthermore in tunnel oven preparation method, kiln body volume is big, and product folds code on kiln car, is easy to produce internal baking fire
Flame unevenly causes the chemical reaction of adobe at different kiln body positions inconsistent, eventually affects the quality and quality of product.
Summary of the invention
The present invention provides firing system and process for calcining that a kind of polychrome is sintered permeable earthenware brick, it is burnt into, turns green, chilling etc.
Process is completed on same assembly line, improves production efficiency, it is ensured that the consistency of product, while on a production line
The preparation for conveniently realizing cyan and red different product, has extensive adaptability.
Technical scheme is as follows:
A kind of polychrome is sintered the firing system of permeable earthenware brick, is set as returning for kiln structure including calcining kiln and subsequent cascaded
Green area, chilling area and cooling area, the calcining kiln and area of turning green are respectively provided with up and down in the upper and lower part of adobe
Two rows burn rifles, burn rifle include by solenoid valve control and with separate valve control combustion-supporting port and combustion gas port, for difference
The input ratio of color product change combustion air and natural gas；
The chilling area is internally provided with water tank, makes a circle outside chilling area and is provided with full communicating external chilling pipe
Road is connected with chilling pipeline inside chilling area, and internal chilling pipeline is evenly equipped with several on the tube wall towards adobe direction
Gas vent；It is provided with chilling blower outside chilling area, is connected to by air hose valve with external chilling pipeline；The lower part of water tank is connected to
Cold water pipes, water tank upper be connected tos by jet chimney with the diffuse channel of external setting, jet chimney pass through aqueduct valve and
External chilling pipeline is connected.
Above-mentioned polychrome is sintered in the firing system of permeable earthenware brick, and lower part is provided with firebreak to calcining kiln and top is arranged
Flapper constitute several temperature control sections.
Above-mentioned polychrome is sintered in the firing system of permeable earthenware brick, and the top Yao Qiang of calcining kiln and firebreak corresponding position is arranged
Support frame, flapper are fixed on the support frame in a manner of height adjustment.
Above-mentioned polychrome is sintered in the firing system of permeable earthenware brick, cooling area be internally provided with cold water storage cistern and several penetrate
The outlet of cold water comb inside kiln body, cold water comb is connected with the lower part cold water pipes of water tank in chilling area.
Above-mentioned polychrome is sintered in the firing system of permeable earthenware brick, and the burning rifle includes solenoid valve, goes out fire end mouth and by electricity
The combustion-supporting port and combustion gas port of magnet valve control, solenoid valve are connected to the control unit of firing system by control line.
Above-mentioned polychrome is sintered in the firing system of permeable earthenware brick, and combustion gas port connects natural gas line by independent valve.
Above-mentioned polychrome is sintered in the firing system of permeable earthenware brick, and firing system top is provided with several pumping air-heaters, is taken out
The outlet of air-heater is connected to the drying kiln of earthenware brick production line by pipeline.
It is sintered the process for calcining of permeable earthenware brick, which comprises the following steps:
[1] cyan adobe or red adobe after drying adjust burning rifle and help by roller stick drive to calcining kiln
The flow-rate ratio for firing port and combustion gas port makes to show that the output of fire end mouth is combustion flame, be burnt into adobe；
[2] it turns green
Adobe is by roller stick drive to area of turning green；
For red adobe, the flow-rate ratio for burning rifle combustion-supporting port and combustion gas port is adjusted, makes to obtain the output of fire end mouth for combustion
Make a fire flame, continues oxidation firing to common brick；
For cyan adobe, the combustion-supporting port shutdown of rifle will be burnt, so that burning rifle to go out fire end mouth is only to export going back for natural gas
Former flame, turns green to blue bricks；
[3] chilling
Adobe is by roller stick drive to chilling area；
For red adobe, the cold wind that chilling blower generates enters the inside in chilling area by air hose and external chilling pipeline
Chilling pipeline gives product in aerobic environment air-cooled；
For cyan adobe, the water vapour generated in water tank, by entering chilling after jet chimney and external chilling pipeline
The inside chilling pipeline in area gives steam cooling to product in the environment of anoxybiotic；
[4] cool down
Adobe temperature, to cooling area, is down to room temperature by the way of air-cooled by roller stick drive by adobe.
The advantageous effects that the present invention has are as follows:
1, firing system of the invention use pipelining, overcome conventional tunnel kiln mode can not quantity-produced not
Foot, is greatly saved the production cycle of product；Simultaneously in production line for every adobe using unified firing, turn green and chilling
Etc. processes, the reaction condition that adobe is subject to be consistent, avoid tunnel oven baking reduction in because kiln body area is big, reducing flame and
By thermal response it is uneven caused by a batch finished product color difference it is different, the problems such as quality is inconsistent, it is ensured that product quality.
2, production line advantage of the invention is that the production of blue bricks and common brick is to complete in same production line, and pass through
Process adjustments, can fire red, cinerous, coffee-like, the product of the various natural colours such as yellow, it is whole without industrial chemicals and
The addition of colorant, and use natural gas as fuel, so that product color is natural and production process is environmentally friendly.It is prepared in water-permeable brick
In, it is real on an assembly line by turning green area and chilling area takes that different reducing atmospheres controls and chilling locks color scheme
The production control of different colours water-permeable brick is showed.By to combustion of natural gas mechanism research, using being produced under combustion gas burn incompletely
Raw carbon monoxide carries out different degrees of reduction reaction to the iron oxide in adobe and then changes product color, while
Chilling area is provided with water cooling and air-cooled two sets of chilling cooling systems, is controlled by reasonable circuit design and valve, set of system
Blue bricks is met in anoxybiotic environment and the requirement of different chilling speed of the common brick in aerobic environment.
3, calcining kiln of the present invention realizes that the vitrification of adobe on production line is reacted using rifle array applicator is burnt, certainly by solenoid valve
The size of dynamic control natural gas and combustion air, realizes being evenly heated for entire kiln area inside adobe, it is ensured that produce on assembly line
The consistency of product；Several local temperature control regions constituted with flapper and firebreak are increased in firing section simultaneously, pass through tune
The height of flapper is saved to adjust the temperature in the temperature control region, is adjusted in conjunction with the air quantity for taking out air-heater, so that entire calcining kiln
Temperature meet the sintering curve of calcining kiln with length variable quantity, finally ensure product quality.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of firing system of the present invention；
Fig. 2 is calcining kiln of the present invention/area of turning green along transmission direction schematic cross-sectional view；
Fig. 3 is calcining kiln of the present invention/area of turning green perpendicular to transmission direction schematic cross-sectional view；
Fig. 4 is flapper operation principle schematic diagram of the present invention；
Fig. 5 is the principle schematic diagram that the present invention burns rifle；
Fig. 6 is chilling area of the present invention along transmission direction schematic cross-sectional view；
Fig. 7 is chilling area of the present invention perpendicular to transmission direction schematic cross-sectional view；
Fig. 8 is cooling area structural schematic diagram of the present invention.
Appended drawing reference are as follows: 8- combustion fan；9- takes out air-heater；10- roller stick transmission device；11- chilling blower；13- combustion gas
Pipeline；14- natural gas；30- calcining kiln；31- gas pipeline；The combustion-supporting air hose of 32-；33- burns rifle；34- firebreak；35- active catch
Plate；36- straight hole；37- support frame；38- strut；39- locking level；40- is turned green area；The combustion-supporting port 41-；42- combustion gas port；43-
Fire end mouth out；44- control line；45- solenoid valve；50- chilling area；51- water tank；52- cold water pipes；Chilling pipeline inside 53-；
54- air hose valve；55- aqueduct valve；56- diffuse channel；57- jet chimney；Chilling pipeline outside 58-；59- gas vent；60-
Cooling area；61- cold water comb；62- cold water storage cistern；70- packing area；80- firing system；
Specific embodiment
The present invention relates to a kind of permeable earthenware bricks of shale agglutinating property that construction sponge city largely uses, in order to overcome traditional tunnel
The deficiency that quality present in road kiln production technology is uneven, the production cycle is long, the present invention have developed first set water-permeable brick at home
Production line has adapted to the requirement of different colours finished product.In the entire production line design, need according to raw material and product requirement
Different firing temperature curves is designed, therefore needs to combine the temperature value of the movement speed of adobe, each section of path reasonable distribution
And furnace atmosphere, just it is able to achieve vitrification reaction, it is ensured that product quality.Furthermore in color control, traditional method for cooking cannot
Realize that cyan brick and red brick are completed in same production line, the basic full production that different colours are realized by addition chemical industry colorant
Product, and the present invention needs to realize the reduction and lock colour response of blue bricks and common brick in a production line, therefore bring biggish skill
Art difficulty.
The present invention uses high quality shale materials, forms product after hydro-forming, drying, firing.It is raw for steel gray brick
It produces, rifle will be burnt in area of turning green and be adjusted to reducing flame, product passes through after calcining kiln after the reducing flame in area of turning green forms cinerous brick
Into chilling area, after lockking color using steam water cooling, by cooling area kiln discharge；If it is steel gray to produce red, coffee color, yellow etc.
Color other than color then will burn rifle in area of turning green and be adjusted to oxidation firing high-temperature region parameter, and product is after calcining kiln and high-temperature region
It is directly entered chilling area, color is lockked using the cooling of cold wind rapid cooling by chilling area.
The production line for being sintered permeable earthenware brick includes powder molding processed, drying kiln, firing system 80 and sorting packaged unit 70.Brick
Base 110 under the transmission of roller stick transmission device 10, successively by drying kiln, firing system is after 80s that earthenware brick is made, be packaged by sorting
Unit 70 is packed in storage.
Raw material includes shale, yellow dry ground, sandy soil and ferrous material, and moisture is added after being pre-mixed, crushes through multiple stage circulation
Screening enters aging reactor's ageing 48 hours or more after being granulated the particle for forming 0.05~0.3mm diameter, then uses press device
It is pressed into adobe 110, is delivered at drying kiln by through transport line.
Roller stick transmission device 10 be roller kilns material transmission common device, mainly include decelerating motor, chain and sprocket driving device,
Side by side across the roller stick being arranged on furnace body region, decelerating motor drives chain and sprocket driving device by shaft, staggered transmission device and several
Rotation drives shaft rotation, then drives several roller sticks to rotate synchronously by staggered transmission device, and then drive the materials such as adobe
It is moved on roller stick.Decelerating motor, chain and sprocket driving device, shaft, staggered transmission dress in roller stick transmission device 10 are omitted in figure
It sets, only gives the schematic diagram of roller stick.In order to make full use of place, through transport line is provided with before and after drying kiln, it is therefore an objective to carry out
It converts in the direction of production line.Wherein through transport line is the well-known technique of roller stick transmission production line, and the present invention repeats no more.
Firing system 80 includes calcining kiln 30 and area 40 of turning green, chilling area 50 and cooling area 60 that subsequent cascaded is arranged, is returned
Green area 40, chilling area 50 and cooling area 60 are that side is sealed into kiln structure, and wherein calcining kiln is the pass for realizing raw material vitrification
Key link.Traditional water-permeable brick uses tunnel oven preparation method, and since kiln body volume is big, it is uneven to be easy to produce internal baking flame
It is even, the quality and quality of product are eventually affected, the present invention uses pipeline system production method, enters kiln to finished product simultaneously from adobe
Kiln discharge only needs a few hours, and the production cycle is greatly saved；Unified baking is used for every adobe in production line simultaneously, is burnt
It is consistent at processes, the reaction conditions that adobe is subject to such as, chillings, it is ensured that product quality.
As shown in Figures 2 and 3, calcining kiln 30 of the invention includes the kiln wall 24 of air-tight manner, 10 band of roller stick transmission device
Dynamic adobe 110 passes through the medium position of calcining kiln 30, and the top of kiln wall 24 is equipped with frequency conversion and takes out air-heater 9, by waste heat pump to
Drying kiln 20.The upper and lower part of roller stick transmission device 10 is intervally distributed with two rows of burning rifles 33, and every row burns rifle 33 and is in same water
On horizontal line, inwardly, the burning rifle of same row is staggered for the flame of the generation of burning rifle 33.The present invention is realized using rifle array applicator is burnt
The vitrification of adobe on production line is reacted, and automatically controls flame size and temperature, realizes the uniform of entire kiln area inside adobe
Heating, it is ensured that the consistency of product on assembly line.
In order to meet the temperature curve of firing zone, calcining kiln 30 is divided into several temperature control sections, in common calcining kiln
30 specific location increases several flappers 35 and firebreak 34, so that the hot-fluid in the section be hindered to dissipate, is formed
The constant temperature zone of part.The lower part of calcining kiln 30 is provided with firebreak 34 in Fig. 4, on position kiln wall 24 corresponding with firebreak 34
Support frame 37 is arranged in portion, is fixed with several struts 38 on support frame 37, serial straight hole 36, several activities are provided on strut 38
Baffle 35 is fixed on strut 38.Locking level 39 passes through the through-hole on 37 crossbeam of straight hole 36 and support frame of different location, will prop up
Bar 38 is fixed on support frame 37, realizes the sealing of kiln body local space, prevents the hot-fluid in the section from dissipating and going out, and
It can play the role of adjusting the local space temperature by the upper height for adjusting flapper 35, finally meet sintering curve
It is required that, it is ensured that product quality.
Include solenoid valve 45, control line 44, go out fire end mouth 43 and helped by what solenoid valve 45 controlled as shown in figure 5, burning rifle 33
Port 41 and combustion gas port 42 are fired, combustion gas port 42 connects natural gas line by independent valve, and combustion-supporting port 41 is then by only
Vertical valve and pipeline is connected to combustion fan 8, and the control unit of production line is by control line traffic control solenoid valve 45, to control
The size of natural gas 14 and combustion air, so that burning rifle generates the flame of different temperatures for adobe vitrification reaction.
Calcining kiln 30 generates the flame of different temperatures by the solenoid valve 45 that rifle 33 is burnt in control, in conjunction with adjusting flapper 35
Height and take out the air quantity of air-heater 9, control the temperature and furnace atmosphere of calcining kiln, sintering curve controlled, to control production
The parameters such as product shade, finished product compression strength, water absorption rate.
The common brick di-iron trioxide of high-temperature oxydation is reduced into cyan by the natural gas that technique of turning green is employed as fuel
Ferrous oxide, then cyan, while fast cooling are lockked by the vapor that underneath type water tank evaporates.It turns green the setting and burning in area 40
Similar at kiln 30, roller stick transmission device 10 drives adobe 110 to pass through the medium position in area 40 of turning green, roller stick transmission device 10 it is upper
Portion and lower part are intervally distributed with two rows of burning rifles 33, and every row burns rifle 33 and is in same horizontal line, burn the flame court of the generation of rifle 33
Interior, the burning rifle of same row is staggered.The top of kiln wall 24 is equipped with frequency conversion and takes out air-heater 9, and waste heat is pumped to drying kiln 20.
The proportion that natural gas and combustion air in rifle 33 are burnt by adjusting makes the reducing flame for burning rifle generation inject area of turning green, to make product
Generate cyan.When producing red product, the burning rifle in area of turning green and the burning rifle of calcining kiln are then adjusted unanimously, injection oxidizing flame,
It generates high temperature and fires product.
In order to which a production line meets the production of cyan and red water-permeable brick, need turning green area 40 and chilling area 50 takes
Different schemes.According to earthenware brick preparation principle, blue bricks is fired as early period with ordinary red brick is, also after adobe oxidation and sinter
Di-iron trioxide generates ferrous oxide under Primordial Qi atmosphere, and ferrous oxide and silica generate the ferrous metasilicate glass of cyan at high temperature
Glass phase, therefore the surface of brick body is in cyan.Since ferrous oxide is extremely unstable, it is easy secondary oxidation at 300 DEG C or more, so blue bricks
Must be cooled to always in the state of anoxic can not re-oxidation temperature until kiln discharge.
Common brick is produced, since adobe does not need reduction reaction, therefore the control of the burning rifle 33 in area 40 of turning green uses and firing
The consistent scheme of kiln 30, i.e. burning rifle 33 work normally, and generate thermal-flame and continue to fire to the adobe 110 in area 40 of turning green.
And steel gray brick is produced, then will burn rifle 33 in area 40 of turning green is adjusted to reducing flame, i.e. control solenoid valve 45, closes and burns rifle 33
Combustion-supporting port 41, so that burning 43 output natural gases of fire end mouth out of rifle.The main component of natural gas is methane, in high temperature
Adobe where turn green area generate burn incompletely generate carbon monoxide, carbon monoxide generate reducing atmosphere, to adobe aoxidize
Di-iron trioxide generates ferrous oxide under reducing atmosphere after sintering, and the entire area 40 of turning green of holding is in the state of anoxic, really
Blue bricks is protected not by secondary oxidation.The flow-rate ratio of rifle 33 combustion-supporting port 41 and combustion gas port 42 is burnt by control, controls reduction reaction
Degree, and then other colored bricks of color between cyan and red can be produced.
According to the blue bricks reduction principle of front, since the ferrous oxide in area 40 of turning green in adobe 110 is extremely unstable,
300 DEG C or more are easy secondary oxidation, therefore need to take appropriate measures in subsequent chilling area.
In Fig. 6 and 7, two sets of chilling cooling systems are devised, it can be achieved that air-cooled and water cooling in chilling area.In figure, chilling area
Upper and lower part in 50 is respectively provided with two water tanks 51, generates vapor under high-temperature furnace body internal action.Chilling area 50
Outer make a circle be provided with full communicating external chilling pipeline 58, be connected with the intracorporal internal chilling pipeline 53 of kiln, it is internal
Chilling pipeline 53 is evenly equipped with several gas vents 59 on the tube wall towards adobe direction.The diameter of gas vent 59 is 5~15mm,
It is preferred that 10~20mm of interval of 10mm, Kong Yukong, preferably by 15mm.
Chilling blower 11 is provided with outside chilling area 50, chilling blower 11 passes through air hose valve 54 and external chilling pipeline 58
Connection；The lower part of water tank 51 is connected to cold water pipes 52, the desorption tube that the top of water tank 51 passes through jet chimney 57 and external setting
Road 56 is connected to, and jet chimney 57 is connected by aqueduct valve 55 with external chilling pipeline 58.
When producing steel gray transformation of ownership product, short time anoxybiotic and chilling are needed, then air hose valve 54 is closed, and avoids extraneous sky
Gas flows into, while aqueduct valve 55 is opened, the water vapour generated in water tank 51, passes through jet chimney 57 and external chilling pipeline 58
Into in the inside chilling pipeline 53 in kiln, cooled down by gas vent 59 to adobe chilling, outside air does not flow at this time, chilling
Area is in anoxybiotic and quenched condition, and the product color after turning green is lockked；It was verified that using vapor anoxybiotic chilling, not only
The stability for being conducive to ferrous oxide prevents secondary oxidation, and is conducive to the quality and color of blue bricks.
When producing the products such as red, yellow, aqueduct valve 55 is closed, and air hose valve 54 is opened, then chilling blower generates
Cold wind entered in the inside chilling pipeline 53 in kiln by air hose and external chilling pipeline 58, by gas vent 59 to adobe
Chilling cooling, primary colors product is cooled down.It was verified that may insure red, yellow product in such a way that the external world is air-cooled
It is in aerobic state in chilling area, so that final color shade is more pure beautiful.Diffuse channel 56 is opened at this time, water tank 51
Interior steam is diffused, and since water tank 51 is in hot environment, has water appropriate to prevent dry combustion method from must assure that in water tank
Amount, the steam generated are released or recycle from diffuse channel 56.From the angle of UTILIZATION OF VESIDUAL HEAT IN, the cold water of water tank 51
Pipeline 52 is connected to the cold water comb 61 being arranged inside cooling area 60, heats the water inlet of water tank 51 using waste heat, improves steam
Generation efficiency and chilling efficiency.
As shown in figure 8, the top of cooling area 60, which is provided with, takes out air-heater 9 and cold water storage cistern 62, takes out air-heater 9 and be evacuated to heat
Drying kiln, while several cold water combs 61 that are internally provided with of cooling area 60 are connected to cold water storage cistern 62, cold water comb 61 goes out
Mouth is connected with the lower part cold water pipes 52 of water tank 51 in chilling area, while cooling down to cooling area, makes full use of waste heat extremely
Chilling area, achievees the effect that environmental protection and energy saving.
Carrying out water-permeable brick firing using this system, steps are as follows:
[1] cyan adobe or red adobe after drying adjust burning rifle and help by roller stick drive to calcining kiln
The flow-rate ratio for firing port 41 and combustion gas port 42 makes to show that the output of fire end mouth 43 is combustion flame, be burnt into adobe；
[2] it turns green
Adobe is by roller stick drive to area of turning green；
For red adobe, the flow-rate ratio for burning rifle combustion-supporting port 41 and combustion gas port 42 is adjusted, makes to show that fire end mouth 43 is defeated
Out it is combustion flame, oxidation firing is continued to common brick；
For cyan adobe, the combustion-supporting port shutdown of rifle will be burnt, so that burning rifle to go out fire end mouth 43 is only to export natural gas
Reducing flame turns green to blue bricks；
[3] chilling
Adobe is by roller stick drive to chilling area；
For red adobe, the cold wind that chilling blower generates enters the inside in chilling area by air hose and external chilling pipeline
Chilling pipeline gives product in aerobic environment air-cooled；
For cyan adobe, the water vapour generated in water tank, by entering chilling after jet chimney and external chilling pipeline
The inside chilling pipeline in area gives steam cooling to product in the environment of anoxybiotic；
[4] cool down
Adobe temperature, to cooling area, is down to room temperature by the way of air-cooled by roller stick drive by adobe.
This project has built up first set at home can produce the roller way kiln production line of common brick and blue bricks automatically, and wherein drying kiln is long
About 100m is spent, temperature reaches 200 DEG C from 60 DEG C of import to outlet, the waste heat that heat-supplying mode utilizes firing system to generate.Firing
About 80 meters of the length of kiln 30, including 40 meters of preheating section, temperature rises to 600 DEG C from 200 DEG C；Be burnt into segment length about 40m, temperature from
600 DEG C rise to 1100 DEG C.It turns green the length about 10m in area 40, temperature is 1100 DEG C when baking red bricks, and temperature is when brick firing
900℃；The length in chilling area 50 about 15m, temperature are controlled at 500 DEG C or less；The length 50m of cooling area 60, finally drops finished product
To room temperature.Compression moulding to final products packaging is prepared from adobe and needs 6~8 hours or so, substantially increases production efficiency, really
Quality has been protected, and has met demand of the different clients to water-permeable brick kind, while natural gas being used to recycle skill for fuel and waste heat
Art meets production environmental requirement.
Claims (8)
1. the firing system that a kind of polychrome is sintered permeable earthenware brick, it is characterised in that: be arranged including calcining kiln (30) and subsequent cascaded
For the area of turning green (40), chilling area (50) and cooling area (60) of kiln structure, the calcining kiln (30) and area of turning green (40) exist
The upper and lower part of adobe (110) is respectively provided with two rows and burns rifle (33), and burning rifle (33) includes by solenoid valve (45)
Control and the combustion-supporting port (41) and combustion gas port (42) controlled with separate valve change combustion air for different colours product
With the input ratio of natural gas；
The chilling area (50) is internally provided with water tank (51), is made a circle outside chilling area (50) and is provided with full communicating outside
Chilling pipeline (58) is connected with chilling area (50) internal chilling pipeline (53), and internal chilling pipeline (53) is towards adobe side
To tube wall on be evenly equipped with several gas vents (59)；Chilling blower (11) are provided with outside chilling area (50), pass through air hose valve
Door (54) is connected to external chilling pipeline (58)；The lower part of water tank (51) is connected to cold water pipes (52), and water tank (51) top passes through
Jet chimney (57) is connected to the diffuse channel (56) of outside setting, and jet chimney (57) is anxious by aqueduct valve (55) and outside
Cold pipeline (58) is connected.
2. the firing system that a kind of polychrome according to claim 1 is sintered permeable earthenware brick, it is characterised in that: calcining kiln (30)
Several temperature control sections are constituted by the flapper (35) that lower part is provided with firebreak (34) and top setting.
3. the firing system that a kind of polychrome according to claim 2 is sintered permeable earthenware brick, it is characterised in that: calcining kiln (30)
Support frame (37) are set with kiln wall (24) top of firebreak (34) corresponding position, flapper (35) is in a manner of height adjustment
It is fixed on support frame (37).
4. the firing system that a kind of polychrome according to claim 1 is sintered permeable earthenware brick, it is characterised in that: cooling area (60)
Be internally provided with cold water storage cistern (62) and several cold water combs (61) penetrated inside kiln body, the outlet of cold water comb (61) with
The lower part cold water pipes (52) of water tank (51) are connected in chilling area.
5. the firing system that a kind of polychrome according to claim 1 is sintered permeable earthenware brick, it is characterised in that: the burning rifle
(33) include solenoid valve (45), go out fire end mouth (43) and combustion-supporting port (41) and combustion gas port by solenoid valve (45) control
(42), solenoid valve (45) is connected to the control unit of firing system by control line (44).
6. the firing system that a kind of polychrome according to claim 5 is sintered permeable earthenware brick, it is characterised in that: combustion gas port
(42) natural gas line is connect by independent valve.
7. the firing system that a kind of polychrome according to claim 1 is sintered permeable earthenware brick, it is characterised in that: firing system
(80) top is provided with several pumping air-heaters (9), and the outlet for taking out air-heater (9) is connected to the baking of earthenware brick production line by pipeline
Dry kiln (20).
8. using claim 1-7 it is one of any described in polychrome be sintered the firing system of permeable earthenware brick and carry out the burning of permeable earthenware brick
Knot method, which comprises the following steps:
[1] cyan adobe or red adobe after drying adjust by roller stick drive to calcining kiln and burn the combustion-supporting end of rifle
The flow-rate ratio of mouth 41 and combustion gas port 42 makes to show that the output of fire end mouth 43 is combustion flame, be burnt into adobe；
[2] it turns green
Adobe is by roller stick drive to area of turning green；
For red adobe, the flow-rate ratio for burning rifle combustion-supporting port 41 and combustion gas port 42 is adjusted, makes to show that the output of fire end mouth 43 is
Combustion flame continues oxidation firing to common brick；
For cyan adobe, the combustion-supporting port shutdown of rifle will be burnt, so that burning rifle to go out fire end mouth 43 is the reduction for only exporting natural gas
Flame turns green to blue bricks；
[3] chilling
Adobe is by roller stick drive to chilling area；
For red adobe, the cold wind that chilling blower generates enters the inside chilling in chilling area by air hose and external chilling pipeline
Pipeline gives product in aerobic environment air-cooled；
For cyan adobe, the water vapour generated in water tank, by entering chilling area after jet chimney and external chilling pipeline
Internal chilling pipeline gives steam cooling to product in the environment of anoxybiotic；
[4] cool down
Adobe temperature, to cooling area, is down to room temperature by the way of air-cooled by roller stick drive by adobe.
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