CN203454723U - Energy-saving tunnel kiln used for gangue sintered brick production - Google Patents
Energy-saving tunnel kiln used for gangue sintered brick production Download PDFInfo
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- CN203454723U CN203454723U CN201320530564.7U CN201320530564U CN203454723U CN 203454723 U CN203454723 U CN 203454723U CN 201320530564 U CN201320530564 U CN 201320530564U CN 203454723 U CN203454723 U CN 203454723U
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- 239000011449 brick Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000001354 calcination Methods 0.000 claims abstract description 25
- 230000036536 Cave Effects 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 239000003245 coal Substances 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 6
- PZZYQPZGQPZBDN-UHFFFAOYSA-N Aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 238000005245 sintering Methods 0.000 description 7
- 238000010304 firing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000011476 clinker brick Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- -1 moisture content Substances 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000036159 relative stability Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The utility model belongs to the technical field of gangue sintered brick production, and particularly relates to an energy-saving tunnel kiln used for gangue sintered brick production. The energy-saving tunnel kiln comprises a drying kiln and a calcining kiln, wherein the calcining kiln comprises a kiln body extending along the horizontal direction and a light kiln vehicle, the kiln body comprises a kiln crown, a kiln wall and a working passage, the working passage sequentially comprises a preheating section, a calcining section, a heat preserving section and a cooling section along the extending direction, the cooling section at a kiln tail is provided with a cooling system, an underground kiln balance cooling system and a waste heat utilizing system, the kiln body is also equipped with a kiln temperature and kiln pressure monitoring and controlling system, and the kiln temperature and kiln pressure monitoring and controlling system is provided with a computer automatic control system in a connected manner. The energy-saving tunnel kiln can be used for realizing superthermal calcining and fast calcining, shortening the calcining period, reducing the calcining energy consumption, improving the heat utilization rate and achieving the goal of energy saving.
Description
Technical field
The utility model belongs to Production technology of gangue sintered brick field, is specifically related to a kind of energy-saving tunnel cave of producing for coal gangue baked brick.
Background technology
Gangue shale clinker bricks mainly utilizes shale and gangue carry out high temperature sintering system for raw material, have that intensity is high, insulation, the feature such as heat insulation, it is the best substitute of conventional clay solid brick, the relevant policies that meet China's building energy conservation and materials for wall reform, except energy-conservation, save soil, emission reduction effect is also very remarkable.Refuse makes full use of, environmental pollution reduces, improve building heat preservation and insulation.At heating districts, porous brick building can save energy more than 30% in the winter time.Because it has good thermal and insulating performance, thickness of wall body is reduced, can increase building usable floor area 1.13%.
China is since the large section baked brick tunnel kiln of late nineteen eighties Introduced From Abroad (9.2 meters), design aspect at large section kiln has been done a large amount of research, successively found out the design parameter of 4.6 meters, 6.9 meters, 9.2 meters, 10.4 meters serial large cross-section tunnel kilns, and promote at home the economic construction of thousands of production line ，Wei China and made huge contribution.Tunnel cave has obtained application the most widely, technical comparative maturity in brickmaking industry.But be often subject to the impact of raw material, moisture content, brick type, weather, equipment, operation and managerial skills in producing coal gangue baked brick is concrete, have when dry that defect is more, to reach productive rate lower; When roasting, in the combustion process of coal gangue baked brick section of burning till in tunnel cave, maximum temperature reaches 1100 ℃ of left and right, temperature at cooling section brick is down to below 200 ℃ by 900 ℃ of left and right, generally to utilize temperature be that 300 ℃ of following waste heats carry out brick bat drying to building materials enterprise, can meet moisture in adobe completely and evaporate required heat, and heat between 300 ℃ to 900 ℃ do not utilized fully, caused the significant wastage of the energy.And tunnel cave also exists the section temperature difference to control not, area of dissipation is less, and product quality is poor, and firing cycle is long, the defect that production efficiency is low.
Summary of the invention
The technical problems to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art exactly, and a kind of can realize superthermal roasting, roasting are fast provided, and shorten firing cycle, reduce roasting energy consumption, improve heat utilization efficiency, meet the energy-saving tunnel cave of producing for coal gangue baked brick of energy-conservation object.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of energy-saving tunnel cave of producing for coal gangue baked brick, comprise dry kiln and calcining kiln two parts, described calcining kiln comprises kiln body and the light-duty kiln car extending transversely, kiln body comprises kiln top, kiln wall and service aisle, described service aisle comprises successively preheating section on bearing of trend, furnace zone, soaking zone and cooling section, wherein on the cooling section of kiln tail, be provided with cooling system, balance cooling system under kiln, bootstrap system, on kiln body, be equipped with kiln temperature simultaneously, furnace pressure monitor control system, and described kiln temperature, furnace pressure monitor control system is connected with computer automatic control system.
Contained the sending on the contained smoke exhaust fan of air-heater, moisture-eliminating blower and calcining kiln of dry kiln all contained variable frequency adjustment control section, and each variable frequency adjustment control section connects respectively described computer automatic control system.
The long 65-82m of described hothouse section, wide 4.6-7.2m, high 2.4-3.6m.
Described hothouse adopts bottom to disperse air-supply structure and concentrates upper humidity discharging structure.
The wide 6.9m of described calcining kiln section, long 143m.
Girder and secondary beam that described kiln top is followed successively by lightweight refracrory layer, aluminum silicate insulation material layer, elevated-temperature seal coating from bottom to top and supports ceiling material.
Described kiln wall is followed successively by refractory masses, light-weight thermal insulation material layer, insulation material layer and the structural wood bed of material from the inside to surface.
Described light-duty kiln car adopts lightweight lining material to make; Between kiln car, adopt two cover hermetically-sealed constructions, between kiln car both sides and kiln body, also adopt hermetically-sealed construction.
In described calcining kiln, furnace zone length is 15-20m.
The beneficial effect of technical solutions of the utility model is:
1, structurally, the energy-saving tunnel cave that the utility model is produced for coal gangue baked brick comprises dry kiln and calcining kiln, and adobe enters dry kiln by kiln car movement system, by automatic temperature-adjusting, humidity, wind speed control system, completes brick bat drying operation; The winch of kiln car by movement system, trailer, ferry bus etc. are transported in tunnel kiln, kiln car pusher heads into tunnel cave by kiln car, at tunnel cave, by humidity discharging, preheating, sintering, insulation, the stage such as cooling, finally make coal gangue sintering brick product, finished bricks is in first-class to be tested the unloading of tunnel cave port of export unloading deck, the sale of dispatching from the factory.
2, structurally, the utility model is provided with balance cooling system, bootstrap system under cooling system, kiln on the cooling section of kiln tail; The temperature that wherein said cooling system is used kiln-made product reaches minimum, and the cooling heat discharging is sent to hothouse; Under kiln, balance cooling system can regulate the upper and lower pressure balanced of kiln car, and temperature under car is declined, and has both protected bearing and track, has reduced again thermal loss; In bootstrap system, be provided with the circulatory system and heat exchange equipment, use " superthermal roasting " technology, by surpassing the required Hot swapping of roasting in raw material out, realize quick roasting, shorten firing cycle, reduce roasting energy consumption; It is that realization " superthermal roasting " and quick roasting provide technical guarantee that kiln temperature, furnace pressure detect control system.
3, structurally, the contained air-heater that send of dry kiln described in the utility model, the contained smoke exhaust fan of moisture-eliminating blower and calcining kiln all contains variable frequency adjustment control section, thereby adopt variable frequency adjustment to control air output, exhaust air rate and exhaust smoke level, by the adjustment to air-supply structure, complete drying medium temperature curve, the adjustment of moisture curve, control the position of hothouse neutral point well, keep relative stability, by the adjustment to smoke discharging structure, can keep the stable of furnace pressure and firing atmosphere, improve the quality of products, be convenient to quality control, significantly reduced power consumption, the average power consumption 40% of saving.
4, structurally, girder and secondary beam that kiln described in the utility model top is followed successively by lightweight refracrory layer, aluminum silicate insulation material layer, elevated-temperature seal coating from bottom to top and supports ceiling material layer, this structure has guaranteed the performance that kiln top is heat-resisting, be incubated and seal; Described kiln wall is followed successively by refractory masses, light-weight thermal insulation material layer, insulation material layer and the structural wood bed of material from the inside to surface, and this structure has guaranteed the performance that kiln wall is heat-resisting, be incubated and seal; Described light-duty kiln car adopts lightweight lining material to make; Between kiln car, adopt two cover hermetically-sealed constructions, between kiln car both sides and kiln body, also adopt hermetically-sealed construction, stopped on kiln car face with car under gas flow.
5, in addition, the energy-saving tunnel cave that the utility model is produced for coal gangue baked brick is by structural adjustment, the tunnel cave section temperature difference is controlled in 10 ℃, cooling surface area reduces, waste heat is fully cemented out, heat utilization efficiency reaches 67%, compares with conventional tunnel kiln, makes thermal process energy-saving efficiency reach 40%; Owing to adopting internal combustion mode sintering, main thermal source is from the internal combustion of adobe, and foundation " roasting fast " system, " superthermal roasting " technology of employing, realize goods firing cycle and be reduced to 20-24 hour by 36-46 hour, shorten to 24-32 hour arid cycle, significantly improved production efficiency; Adopt this tunnel kiln structure, product dried qualification rate is 95%-98%, and sintering qualified rate is 98%; By the length of proper extension roasting band and insulation belt, make the compression strength of product and freezing and thawing performance meet GB requirement.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is that the utility model is for the block diagram of the energy-saving tunnel cave of coal gangue baked brick production;
Fig. 2 is that the utility model is for the structural representation on the kiln top of the energy-saving tunnel cave of coal gangue baked brick production;
Fig. 3 is that the utility model is for the structural representation of the kiln wall of the energy-saving tunnel cave of coal gangue baked brick production;
Sequence number in figure: 1, dry kiln, 2, calcining kiln, 3, preheating section, 4, furnace zone, 5, soaking zone, 6, cooling section, 7, cooling system, 8, balance cooling system under kiln, 9, bootstrap system, 10, kiln temperature, furnace pressure monitor control system, 11, computer automatic control system, 12, lightweight refracrory layer, 13, aluminum silicate insulation material layer, 14, elevated-temperature seal coating, 15, girder, 16, secondary beam, 17, refractory masses, 18, light-weight thermal insulation material layer, 19, insulation material layer, 20, the structural wood bed of material.
the specific embodiment
Embodiment mono-:
Referring to Fig. 1, in figure, the energy-saving tunnel cave that the utility model is produced for coal gangue baked brick, comprise dry kiln 1 and calcining kiln 2 two parts, described calcining kiln comprises kiln body and the light-duty kiln car extending transversely, kiln body comprises kiln top, kiln wall and service aisle, described service aisle comprises successively preheating section 3 on bearing of trend, furnace zone 4, soaking zone 5 and cooling section 6, wherein on the cooling section of kiln tail, be provided with cooling system 7, balance cooling system 8 under kiln, bootstrap system 9, on kiln body, be equipped with kiln temperature simultaneously, furnace pressure monitor control system 10, and described kiln temperature, furnace pressure monitor control system is connected with computer automatic control system 11.
Dry kiln is contained to be sent and on the contained smoke exhaust fan of air-heater, moisture-eliminating blower and calcining kiln, all contains variable frequency adjustment control section (not shown), and each variable frequency adjustment control section connects respectively described computer automatic control system.
The long 65-82m of described hothouse section, wide 4.6-7.2m, high 2.4-3.6m.
Described hothouse adopts bottom to disperse air-supply structure and concentrates upper humidity discharging structure.
The wide 6.9m of described calcining kiln section, long 143m.
Referring to Fig. 2, in figure, girder 15 and secondary beam 16 that described kiln top is followed successively by lightweight refracrory layer 12, aluminum silicate insulation material layer 13, elevated-temperature seal coating 14 from bottom to top and supports ceiling material layer.
Referring to Fig. 3, in figure, described kiln wall is followed successively by refractory masses 17, light-weight thermal insulation material layer 18, insulation material layer 19 and the structural wood bed of material 20 from the inside to surface.
Described light-duty kiln car (not shown) adopts lightweight lining material to make; Between kiln car, adopt two cover hermetically-sealed constructions, between kiln car both sides and kiln body, also adopt hermetically-sealed construction.
In described calcining kiln, furnace zone length is 15-20m.
The course of work of the present utility model is briefly described as follows:
The winch of kiln car by movement system, trailer, ferry bus etc. are transported in tunnel kiln, kiln car pusher heads into tunnel cave by kiln car, at tunnel cave, by humidity discharging, preheating, sintering, insulation, the stage such as cooling, finally make coal gangue sintering brick product, finished bricks is in first-class to be tested the unloading of tunnel cave port of export unloading deck, the sale of dispatching from the factory.
The foregoing is only the schematic specific embodiment of the utility model; not in order to limit scope of the present utility model; any those skilled in the art is not departing from equivalent variations and the modification of making under the prerequisite of the utility model design and principle, all should belong to the scope of the utility model protection.
Claims (9)
1. an energy-saving tunnel cave of producing for coal gangue baked brick, comprise dry kiln and calcining kiln two parts, described calcining kiln comprises kiln body and the light-duty kiln car extending transversely, kiln body comprises kiln top, kiln wall and service aisle, it is characterized in that: described service aisle comprises successively preheating section on bearing of trend, furnace zone, soaking zone and cooling section, wherein on the cooling section of kiln tail, be provided with cooling system, balance cooling system under kiln, bootstrap system, on kiln body, be equipped with kiln temperature simultaneously, furnace pressure monitor control system, and described kiln temperature, furnace pressure monitor control system is connected with computer automatic control system.
2. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, it is characterized in that: contained the sending on the contained smoke exhaust fan of air-heater, moisture-eliminating blower and calcining kiln of dry kiln all contained variable frequency adjustment control section, and each variable frequency adjustment control section connects respectively described computer automatic control system.
3. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, is characterized in that: the long 65-82m of described hothouse section, wide 4.6-7.2m, high 2.4-3.6m.
4. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, is characterized in that: described hothouse adopts bottom to disperse air-supply structure and concentrates upper humidity discharging structure.
5. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, is characterized in that: the wide 6.9m of described calcining kiln section, long 143m.
6. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, is characterized in that: girder and secondary beam that described kiln top is followed successively by lightweight refracrory layer, aluminum silicate insulation material layer, elevated-temperature seal coating from bottom to top and supports ceiling material.
7. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, is characterized in that: described kiln wall is followed successively by refractory masses, light-weight thermal insulation material layer, insulation material layer and the structural wood bed of material from the inside to surface.
8. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, is characterized in that: described light-duty kiln car adopts lightweight lining material to make; Between kiln car, adopt two cover hermetically-sealed constructions, between kiln car both sides and kiln body, also adopt hermetically-sealed construction.
9. the energy-saving tunnel cave of producing for coal gangue baked brick according to claim 1, is characterized in that: in described calcining kiln, furnace zone length is 15-20m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530564.7U CN203454723U (en) | 2013-08-29 | 2013-08-29 | Energy-saving tunnel kiln used for gangue sintered brick production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530564.7U CN203454723U (en) | 2013-08-29 | 2013-08-29 | Energy-saving tunnel kiln used for gangue sintered brick production |
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| CN203454723U true CN203454723U (en) | 2014-02-26 |
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| CN201320530564.7U Expired - Fee Related CN203454723U (en) | 2013-08-29 | 2013-08-29 | Energy-saving tunnel kiln used for gangue sintered brick production |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423992A (en) * | 2013-08-29 | 2013-12-04 | 郑州鹏泰高新建材制品有限公司 | Energy-saving tunnel kiln used for gangue sintered brick production |
| CN104792167A (en) * | 2015-04-29 | 2015-07-22 | 长兴震铭耐火材料有限公司 | Energy-saving type tunnel kiln |
| CN104792159A (en) * | 2015-04-29 | 2015-07-22 | 长兴震铭耐火材料有限公司 | Coal gangue tunnel kiln for producing refractory materials |
| CN106338200A (en) * | 2016-08-29 | 2017-01-18 | 介休市宇宙建材有限责任公司 | Method for producing quick lime through brickmaking waste heat |
| CN108558364A (en) * | 2018-07-17 | 2018-09-21 | 乌海市黑白环保能源有限公司 | Colliery wastes brick multifuel combustion lime stone technique |
| CN113735562A (en) * | 2021-07-28 | 2021-12-03 | 彭阳县鑫卓能源科技发展有限公司 | Process method for circularly firing coal gangue green bricks |
-
2013
- 2013-08-29 CN CN201320530564.7U patent/CN203454723U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423992A (en) * | 2013-08-29 | 2013-12-04 | 郑州鹏泰高新建材制品有限公司 | Energy-saving tunnel kiln used for gangue sintered brick production |
| CN104792167A (en) * | 2015-04-29 | 2015-07-22 | 长兴震铭耐火材料有限公司 | Energy-saving type tunnel kiln |
| CN104792159A (en) * | 2015-04-29 | 2015-07-22 | 长兴震铭耐火材料有限公司 | Coal gangue tunnel kiln for producing refractory materials |
| CN104792159B (en) * | 2015-04-29 | 2017-01-25 | 长兴震铭耐火材料有限公司 | Coal gangue tunnel kiln for producing refractory materials |
| CN104792167B (en) * | 2015-04-29 | 2017-01-25 | 长兴震铭耐火材料有限公司 | Energy-saving type tunnel kiln |
| CN106338200A (en) * | 2016-08-29 | 2017-01-18 | 介休市宇宙建材有限责任公司 | Method for producing quick lime through brickmaking waste heat |
| CN108558364A (en) * | 2018-07-17 | 2018-09-21 | 乌海市黑白环保能源有限公司 | Colliery wastes brick multifuel combustion lime stone technique |
| CN108558364B (en) * | 2018-07-17 | 2021-08-20 | 乌海市黑白环保能源有限公司 | Process for co-firing limestone by using coal gangue bricks |
| CN113735562A (en) * | 2021-07-28 | 2021-12-03 | 彭阳县鑫卓能源科技发展有限公司 | Process method for circularly firing coal gangue green bricks |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20160829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |