CN201000274Y - High efficiency energy conservation tunnel kiln - Google Patents

High efficiency energy conservation tunnel kiln Download PDF

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Publication number
CN201000274Y
CN201000274Y CNU2006201282256U CN200620128225U CN201000274Y CN 201000274 Y CN201000274 Y CN 201000274Y CN U2006201282256 U CNU2006201282256 U CN U2006201282256U CN 200620128225 U CN200620128225 U CN 200620128225U CN 201000274 Y CN201000274 Y CN 201000274Y
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CN
China
Prior art keywords
kiln
heat
certificate
energy
tunnel cave
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Expired - Fee Related
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CNU2006201282256U
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Chinese (zh)
Inventor
郭瑛
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郭瑛
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Priority to CNU2006201282256U priority Critical patent/CN201000274Y/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The utility model relates to a tunnel kiln used for brick-burning, in particular to a novel parallel connection type high efficiency and energy-saving tunnel kiln, which solves the deficiencies of the existing tunnel kiln. The high efficiency and energy-saving tunnel kiln comprises a kiln wall, a kiln fence and a normal voltage after heat hot water heater, wherein a smoke heat general air flue and a after heat general air flue are arranged inside the kiln wall, the kiln fence with high degree of curvature is laid by wedge shaped fire resistant bricks, the two sides of the wedge shaped fire resistant brick adopts a kiln fence bottom girder cast with heat-resistant concrete in site, a flyash concrete foaming and insulating layer is arranged at the top of the kiln fence, the honeycomb core of the kiln wall is filled with flyash clay, a plurality of viewing holes fire resistant tubes thread through the kiln fence and leading to the top inside the kiln, and the viewing holes fire resistant tubes are connected with the top, where an after heat valve is provided. The tunnel kiln integrates the advantages of the tunnel kiln and the annular kiln that the production cost is very low, the heat preservation effect is fine, and the consuming energy of the brick burning is extremely low, with flexible multi- operation approach, thus being convenient for steady production and high production.

Description

Energy-efficient tunnel cave
Technical field
The utility model relates to a kind of baking bricks and uses tunnel cave, particularly a kind of novel parallel energy-efficient tunnel cave.
Background technology
Baking bricks of prior art mainly contains two kinds with tunnel cave:
First kind is the flat ceiling structure of large end face (4.3 meters, 6.9 meters etc.).The major advantage of this tunnel cave is not have vault, and kiln ventilation is evenly distributed, and end face has a narrow range of temperature, and thermal capacity is big, and the fluctuation of kiln temperature is little.The flue gas of tunnel cave and waste heat recovery gas are that the smoke hole on the kiln both walls is extracted out, are aggregated in major diameter (the φ 1000-φ 1500mm) steel conduit of laying at the kiln top, deliver to dry hole dry brick through air-introduced machine.The fume recovery system construction is fairly simple.Its major defect is: a, furred ceiling are constructed very cumbersome, and the workmen of specialty must be arranged; B, expend a large amount of furred ceiling steel and cigarette, hot gas reclaims steel pipe, the tunnel cave cost is very high; A large amount of light heat insulation materials are water funk on c, the furred ceiling, and whole tunnel cave must place rain and snow in the workshop, and the brick field additional investment is very big.The cigarette hot gas of d, recovery leaves kiln and just enters in the steel pipe of kiln top, although spend a large amount of insulation measures, cigarette hot gas still dispels the heat, and temperature progressively reduces.
Second kind is that small end face is built arch top tunnel cave by laying bricks or stones.This tunnel cave biggest advantage is that construction, operation are all simple.This tunnel cave has only reclaims cigarette hot gas, does not reclaim exchanging air.Though the recovery cigarette heat and the exchanging air that have, but whole tunnel cave is only established three air lock (two crosswind locks that are close to air-introduced machine near the tunnel cave inlet, a lock against the wind), transfer wind temperature adjustment means without any the part, all cigarettes, hot gas mouth all design are in advance built, only by three total air locks adjustings, local kiln temperature is high for smoking, heat size, and can only sacrifice full kiln intake is the cost cooling with the underproduction.The waste heat recovery benefit is very low.Sometimes in order to reduce local kiln temperature, reduce full kiln air inducing amount, promptly reduced dry hole heat supply air quantity, semifinished product is not done and is caused vicious circle.In addition, owing to adopt standard refractory brick and the collocation of standard arch brick to build the arch of furnace certificate by laying bricks or stones, the certificate top is higher, and the kiln top ventilates much larger than other position, causes kiln end face temperature seriously unbalanced easily, and fire in a stove before fuel is added follow-up is slow, and disastrous effect such as yield poorly.
Summary of the invention
The utility model provides a kind of small end face parallel energy-efficient tunnel cave at the deficiency that above-mentioned tunnel cave exists.
The utility model adopts following technical scheme: energy-efficient tunnel cave, comprise Yao Qiang, kiln certificate, reach normal pressure waste heat hot-water boiler, kiln is established total air flue of cigarette heat and the total air flue of waste heat within the walls, deep camber kiln certificate is built by laying bricks or stones by special wedge shape refractory brick, wedge shape refractory brick both sides are cast-in-place heat resistance concrete kiln certificate bottom girder, the flyash concrete insulating foam layer is established at kiln certificate top, kiln wall sandwich is a flyash clay filled body, several peep hole refractory tubes pass the kiln certificate and lead to the kiln inner top, the peep hole refractory tube lock that has surplus heat that communicates with it.Kiln side meeting fire is within the walls built refractory brick by laying bricks or stones, and remainder is built common brick mud by laying bricks or stones.The total air flue of cigarette heat is positioned at kiln hypomere position within the walls, and both sides are by several mouthful UNICOMs of smoking in total air flue of cigarette heat and the kiln.Heat resistance concrete kiln certificate bottom girder and wedge shape refractory brick oblique angle coincide.Wedge type refractory brick is made of some five equilibriums, and the equal and opposite in direction shape is identical, and dual-side all has same angle of inclination.The casing of normal pressure waste heat hot-water boiler is that heat-resisting steel sheet and plate is welded, interior some the reinforcements of vertical position welding of casing, and punching makes the interior water of case interconnected logical on the muscle, and the top of boiler casing is communicated with atmosphere, and the end of boiler casing, substitute the fire-resistant brickkiln certificate conduct top of tunnel cave herein.
Energy-efficient tunnel cave described in the utility model comprises the thick wall of tunnel cave both sides, and total air flue of cigarette heat and the total air flue of waste heat are arranged in the wall, and two air flues are filled out the coal ash soil insulation between up and down and saved money.Wall and kiln certificate connection adopt heat resistance concrete integrated poured, see that the ground floor kiln certificate of fire is all built by laying bricks or stones with identical bulk wedge shape refractory brick, form low vault kiln certificate, and the reinforcement insulation kiln certificate of its top is built by laying bricks or stones with common brick mud.Above the kiln certificate,, wipe one's face protection and rain and snow topmost with cement mortar with the cast of foaming coal ash concrete.Be provided with several at the section of burning till, soaking zone and the anterior temperature descending section of tunnel cave and pass the kiln certificate, the peep hole refractory tube of adding a cover above (throwing coal in case of necessity), there is side opening the middle part of pipe, communicate with the waste heat lock, can carry lock and extract waste heat from the kiln top, the waste hot air that extracts converges with cigarette heat behind the total lock of cigarette heat of kiln porch by the total air flue of waste heat, delivers to dry hole through same air-introduced machine.Be provided with the normal pressure waste heat boiler that is welded with heat-resisting steel sheet and plate and boiler tube at tunnel cave rear portion temperature descending section, the end of boiler, replace kiln certificate refractory brick, as the top of this place's tunnel cave.
The flyash clay filled body of kiln wall sandwich described in the utility model is after adding water and stir with flyash and clay, builds by laying bricks or stones on its both walls limit, fill on the limit, the limit compacting.The flyash concrete insulating foam layer is after flyash and high-strength cement are added water and add blowing agent and stir foaming, add stabilizing agent again casting solidification form.Heat resistance concrete kiln certificate bottom girder is to add water by a certain percentage with heat-resisting aggregate or broken firebrick particle material and seat clay, refractory cement to stir the back and pour into a mould and form.
This tunnel cave combines the advantage of tunnel cave and annular kiln, and cost is very low, high insulating effect, the energy consumption of baking bricks are extremely low, operational means is many and flexibly, be convenient to high and stable yields.
Description of drawings
Fig. 1 is the utility model intensification section, the section of burning till, soaking zone, cooling leading portion cross-sectional end view
Fig. 2 is the utility model cooling back segment cross-sectional end view.
Among the figure: the total air flue of 1-cigarette heat, the 2-mouth of smoking, 3-kiln interior wall (refractory brick marshalling), 4-kiln certificate bottom girder, 5-wedge shape refractory brick, 6-common brick masonry, 7-peep hole refractory tube, 8-waste heat lock, the total air flue of 9-waste heat, 10-flyash clay mixing obturator, 11-flyash concrete insulating foam layer, 12-kiln exterior wall (common brick mud masonry), the 13-stay bolt, the 14-steel column, 15-gooseneck, 16-normal pressure waste heat hot-water boiler
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described further, embodiment is used for illustrating utility model, rather than it is imposed any restrictions.
Energy-conservation tunnel cave of the present utility model adopts parallel thick wall body structure.In order to reduce investment, and increase kiln body heat capacity, be convenient to stablize the kiln temperature, under the prerequisite that does not influence wall body structure intensity, adopt the way (only at meeting fire use refractory brick, all the other all use common sticking scholar's brick and mud to build by laying bricks or stones) of bag core flyash clay walling.
Energy-efficient tunnel cave of the present utility model, cigarette hot gas adopts and presets the mouth 2 of smoking, by the total air flue 1 of cigarette heat, by each one that is located at kiln inlet Yao Qiang both sides total cigarette lock control exhaust gas volumn, waste hot air is by the peep hole refractory tube 7 on the kiln certificate, and the waste heat lock 8 of process several and its side mouth UNICOM, carries the lock heat-obtaining and enters the total air flue 9 of waste heat, several waste heat locks 8 are to be distributed in clinkering zone and insulation salband leading portion, select to carry lock according to the kiln temperature operating mode and take out heat.The total air flue 1 of cigarette heat is built by laying bricks or stones by common brick and mud with the total air flue 9 of waste heat, is wrapped in kiln within the walls, can intercept the interior heat radiation of kiln on the one hand to external diffusion, can absorb gas flue wall latent heat on the other hand, and flue-gas temperature is gone up not down.Before the total air flue 9 of waste heat leads to the kiln inlet, converge with the total air flue 1 of cigarette heat behind total cigarette lock, a shared then air-introduced machine is given the heat supply of dry hole.
Energy-efficient tunnel cave of the present utility model adopts heat resistance concrete, and integral cast-in-situ is annotated kiln certificate bottom girder 4, so that improve top power, is convenient to reduce kiln certificate curvature, reduces spring of arch.
Energy-efficient tunnel cave of the present utility model all adopts custom-designed bulk wedge shape refractory brick 5 to build the ground floor of arch kiln certificate by laying bricks or stones.Second, third layer adopts ordinary red brick mud to build by laying bricks or stones and gets final product.Can evenly disperse vault tension force like this, guarantee that the certificate brick can not drop, and can realize low curvature block vault.
Energy-efficient tunnel cave of the present utility model, on kiln certificate top and total waste heat air flue top adopt flyash concrete foaming, integrated poured flyash concrete, its unit weight<350kg/m 3, compression strength 〉=1.2MPa, coefficient of heat insulation<0.09,200mm is thick in cast, dispel the heat to atmosphere in isolated substantially kiln top.
On flyash concrete foaming pouring layer, wipe one's face, play protection and anti-rainwater and infiltrate with cement mortar.
Energy-efficient tunnel cave of the present utility model is provided with the normal pressure waste heat hot-water boiler 16 of heat-resisting steel sheet and plate and boiler tube welding at the salband back segment.The end of boiler, replace the top of kiln certificate refractory brick as this place's tunnel cave.
Energy-efficient tunnel cave of the present utility model is provided with some steel columns 14 in the kiln both sides near the kiln exterior wall, and per two adjacent steel columns support the force height at the kiln certificate, level welding gooseneck 15.Weld with basic interior built-in fitting every steel column 14 bottoms.Relative two steel columns in kiln both sides are fastenedly connected with stay bolt 13 being lower than place, kiln top slightly.These measures are reinforces the kiln body, prolongs tunnel cave service life, prevents crack gas leakage.

Claims (6)

1, a kind of energy-efficient tunnel cave, comprise Yao Qiang, kiln certificate, reach normal pressure waste heat hot-water boiler (16), it is characterized in that kiln establishes total air flue (1) of cigarette heat and the total air flue of waste heat (9) within the walls, deep camber kiln certificate is built by laying bricks or stones by wedge shape refractory brick (5), wedge shape refractory brick (5) both sides are cast-in-place heat resistance concrete kiln certificate bottom girder (4), flyash concrete insulating foam layer (11) is established at kiln certificate top, kiln wall sandwich is a flyash clay filled body (10), several peep hole heat-resistant tubes (7) pass the kiln certificate and lead to the kiln inner top, peep hole heat-resistant tube (7) lock (8) that has surplus heat that communicates with it.
2, energy-efficient tunnel cave according to claim 1, it is characterized in that kiln within the walls side meeting fire build refractory brick by laying bricks or stones, remainder is built common brick mud by laying bricks or stones.
3, energy-efficient tunnel cave according to claim 1 is characterized in that the total air flue (1) of cigarette heat is positioned at kiln hypomere position within the walls, and both sides are by several mouthful (2) UNICOMs of smoking in total air flue (1) of cigarette heat and the kiln.
4, energy-efficient tunnel cave according to claim 1 is characterized in that heat resistance concrete kiln certificate bottom girder (4) and wedge shape refractory brick (5) oblique angle coincide.
5, energy-efficient tunnel cave according to claim 1 is characterized in that wedge type refractory brick (5) is made of some five equilibriums, and the equal and opposite in direction shape is identical, and dual-side all has same angle of inclination.
6, according to claim 1 or 2 or 3 or 4 or 5 described energy-efficient tunnel caves, the casing that it is characterized in that normal pressure waste heat hot-water boiler (16) is that heat-resisting steel sheet and plate is welded, some reinforcements of vertical position welding in the casing, punching makes the interior water of case interconnected logical on the muscle, the top of boiler casing is communicated with atmosphere, and the end of boiler casing substitutes the fire-resistant brickkiln certificate conduct top of tunnel cave herein.
CNU2006201282256U 2006-11-21 2006-11-21 High efficiency energy conservation tunnel kiln Expired - Fee Related CN201000274Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006201282256U CN201000274Y (en) 2006-11-21 2006-11-21 High efficiency energy conservation tunnel kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2006201282256U CN201000274Y (en) 2006-11-21 2006-11-21 High efficiency energy conservation tunnel kiln

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CN201000274Y true CN201000274Y (en) 2008-01-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936654A (en) * 2010-09-08 2011-01-05 柳丹 Energy-saving roller kiln for polished tiles
CN101545725B (en) * 2009-05-01 2011-08-17 枣庄新中兴实业有限责任公司 Power generation process with waste heat of tunnel kiln
CN104232826A (en) * 2014-10-21 2014-12-24 郭瑛 Iron-making method with low grade refractory iron ore and equipment thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101545725B (en) * 2009-05-01 2011-08-17 枣庄新中兴实业有限责任公司 Power generation process with waste heat of tunnel kiln
CN101936654A (en) * 2010-09-08 2011-01-05 柳丹 Energy-saving roller kiln for polished tiles
CN101936654B (en) * 2010-09-08 2012-08-29 广东中窑窑业股份有限公司 Energy-saving roller kiln for polished tiles
CN104232826A (en) * 2014-10-21 2014-12-24 郭瑛 Iron-making method with low grade refractory iron ore and equipment thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080102

Termination date: 20101121