CN204100791U - Residual heat of tunnel kiln reclaims built-in boiler - Google Patents
Residual heat of tunnel kiln reclaims built-in boiler Download PDFInfo
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- CN204100791U CN204100791U CN201420454149.2U CN201420454149U CN204100791U CN 204100791 U CN204100791 U CN 204100791U CN 201420454149 U CN201420454149 U CN 201420454149U CN 204100791 U CN204100791 U CN 204100791U
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a kind of residual heat of tunnel kiln and reclaim built-in boiler, it solve a large amount of waste heat of existing tunnel kiln and directly enter the problem causing energy waste in the air, it is characterized in that: be provided with the bracing frame (23) installing low water level header (20) and the bracing frame (18) installing high water level header (6) respectively in the both sides of tunnel cave cooling section, and between the header of both sides, inclination heat pipe (29) is evenly set through upper furnace, drum (3) is by the supply line and valve (4) nourishment source that are arranged on kiln body side, downcomer (21) is provided with between low level header (20) and drum (3), upper hose (7) is provided with between high-order header (6) and drum (3), ground is provided with drum (25) outside Yao Qiang side, be connected with drum (3) by steam pipe (24).Have scientific structure, make the advantages such as simple, energy-saving and emission-reduction, be new forms of energy (two classes) project that country encourages, the application of this technology will promote the overall industrial upgrading of China's brick-tile industry energetically, has application value widely.
Description
One, technical field
The utility model belongs to Thermal Equipment, relates in particular to a kind of residual heat of tunnel kiln utilizing tunnel cave cooling section waste heat to produce steam and reclaims built-in boiler.
Two, background technology
Tunnel cave is a long linear tunnel, fixing furnace wall and vault or furred ceiling are arranged at its both sides and top, are outwards respectively heat-insulation layer and solid-walled structure successively, the track laid runs the kiln car having piled up goods bottom kiln.Goods burn till the middle part being located at tunnel cave, constitute fixing high temperate zone---clinkering zone, the high-temperature flue gas that burning produces is under the effect of tunnel cave front end chimney or air-introduced machine, flow along tunnel to kiln hood direction, preheating enters the goods in kiln step by step simultaneously, and this section constitutes the preheating zone of tunnel cave.Cold wind is blasted at the kiln tail of tunnel cave, for the goods burnt till in cooling tunnel kiln, this section just constitutes the salband of tunnel cave, and the cold wind blasted flows through goods and after being heated, extracting out and send into the thermal source of drier as dry brick, is that principal mode is produced in present stage residual heat of tunnel kiln utilization.
Day by day in short supply along with global resources, especially the resource such as coal, oil, natural gas is non-renewable, country is new technology, the new technology of encourage growth for the purpose of saving energy and reduce the cost constantly, and helped from each side such as policy, fund, make residual-heat utilization technology obtain significant progress in recent years.At production fields such as iron and steel, chemical industry, cement, residual-heat utilization technology has become ripe, but the residual heat of tunnel kiln in building materials brick-tile industry utilizes technology application to relatively lag behind.According to Chinese brick and tile association statistics, domestic at present have nearly 70,000 families of brickmaking manufacturing enterprise, and built more than 2000 tunnel cave brick production line, wherein annual production is in 6,000 ten thousand standard bricks/year and above tunnel cave brick production line more than thousand.Tunnel kiln sintering brickmaking technology is large with output, energy consumption is low, automaticity is high, output and quality is stable, kiln burns till the features such as parameter is controlled, has become current one of state-of-the-art brickmaking technology in the world.
The primary energy (coal or gangue) that tunnel cave brickmaking consumes, except the energy that stove heat radiation, product water evaporates, sintering etc. must consume, the energy of about 70% to be become estranged product cooling heat loss and wasting with exhaust gas heat loss.In the heat (abbreviation waste heat) of these wastes, adopt the mode of waste heat dry brick, can utilize 20% of waste heat, the low-temperature flue gas waste heat of 20% cannot effectively utilize because grade is low in the preheating zone of tunnel cave, separately has the cooling residual heat of about 30% also not obtain fully effectively utilizing.
In the process that residual heat of tunnel kiln utilizes, major part enterprise drops to after below 600 DEG C the heat of 600 ~ 850 DEG C again by heat-exchanger rig recovery waste heat, although the total amount of the energy does not change, but reduce the grade of waste heat, have lost a large amount of high-grade waste heat, the economic indicator causing waste heat to recycle reduces, the added cost of waste heat recovery, the efficiency of UTILIZATION OF VESIDUAL HEAT IN is also thereupon lower, also causes a large amount of energy wastes and thermal source to pollute simultaneously.
Tunnel cave high-grade waste heat (the product cooling residual heats of 600 ~ 850 DEG C) is collected and is converted into the higher steam energy of value, and the waste heat (100 ~ 250 DEG C) that grade is lower, waste heat boiler value is not high is used further to brick bat drying, then both can meet the demand of production, make full use of existing drying equipment, and value and the efficiency of the utilization of building materials enterprise residual heat of tunnel kiln can have been improved.
Three, summary of the invention
The purpose of this utility model be for market provide a kind of rational in infrastructure, make simple, energy-saving and emission-reduction, the residual heat of tunnel kiln that utilizes using residual heat from kiln furnace to produce steam reclaims built-in boiler.
The technical solution of the utility model is: it comprises by kiln wall, kiln top, refractory insulating layer, kiln car form tunnel cave and be fixedly installed on kiln top by support support be provided with steam pipe export, exhaust steam valve, safety valve, the drum two large divisions of Pressure gauge and water level display instrument, the bracing frame installing low water level header and the bracing frame installing high water level header is provided with respectively in the both sides of tunnel cave cooling section, and between the header of both sides, inclination heat pipe is evenly set through upper furnace, drum is by the supply line and the valve nourishment source that are arranged on kiln body side, downcomer is provided with between low level header and drum, upper hose is provided with between high-order header and drum, outside Yao Qiang side, ground is provided with drum, be connected with drum by steam pipe.For the ease of the daily cleaning of header and drum, below low level header, be provided with blow-off pipe, the side of high-order header is provided with blow-off pipe, and drum end is provided with blow-off pipe.
The beneficial effects of the utility model are: tunnel cave cooling section upper furnace arrange inclination heat pipe as boiler flue indirectly to the water in drum carry out heating produce steam, namely save conventional boiler to need to consume a large amount of coal or electric power resource, using residual heat from kiln furnace can be made full use of again and produce a large amount of steam to meet the needs of the daily production of people and life, there is scientific structure, make simple, the advantages such as energy-saving and emission-reduction, it is new forms of energy (two classes) project that country encourages, the application of this technology will promote the overall industrial upgrading of China's brick-tile industry energetically, there is application value widely.
Below in conjunction with accompanying drawing, the utility model is further described.
Four, accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model;
Fig. 2 is the utility model plan structure schematic diagram;
Fig. 3 is the utility model cross-sectional view.
In figure: 1 is kiln wall, 2 is kiln top, 3 is drum, 4 is supply line and valve, 5 is blow-off pipe, 6 is high-order header, 7 is upper hose, 8 is support, 9 is operation steel platform, 10 is railing, 11 is steam pipe outlet, 12 is exhaust steam valve, 13 is safety valve, 14 is Pressure gauge, 15 is water level display instrument, 16 is blow-off pipe, 17 is cat ladder, 18 is bracing frame, 19 is refractory insulating layer, 20 is low level header, 21 is downcomer, 22 is operating platform, 23 is bracing frame, 24 is steam pipe, 25 is drum, 26 is hanger, 27 is burned product, 28 is blow-off pipe, 29 is heat pipe, 30 is kiln car.
Five, detailed description of the invention
As shown in the figure, build by traditional handicraft the tunnel cave that is produced per year 1.2 hundred million mark block fired shale-gangue perforated brick production lines, on the kiln top 2 of tunnel cave cooling section, 2.5t/h waste heat steam boiler two can be installed.I.e. mounting bracket 8 on the kiln top 2 of tunnel cave cooling section, drum 3 is fixedly mounted on support 8, drum 3 is provided with steam pipe outlet 11, exhaust steam valve 12, safety valve 13, Pressure gauge 14 and water level display instrument 15, and the bracing frame 23 installing low water level header 20 and the bracing frame 18 installing high water level header 6 is provided with respectively in the both sides of tunnel cave cooling section, and between the header of both sides, inclination heat pipe 29 being evenly set through upper furnace, the installation of this heat pipe 29 is as the criterion with burned product 27 trouble-free operation do not affected on kiln car 30.Drum 3 is by the supply line and valve 4 nourishment source that are arranged on kiln body side, downcomer 21 is provided with between low level header 20 and drum 3, be provided with outside upper hose 7, Yao Qiang side between high-order header 6 and drum 3 and ground is provided with drum 25, be connected with drum 3 by steam pipe 24.Below low level header 20, be provided with blow-off pipe 28, the side of high-order header 6 is provided with blow-off pipe 16, and drum 3 end is provided with blow-off pipe 5.When implementing the utility model, only need by providing water source in supply line and valve 4 pairs of drums 3, cold water in drum 3 flows in low level header 20 through downcomer 21, through the inclination heat pipe 29 in burner hearth absorb in burner hearth burned product 27 radiant heat and burned product cooling hot-air and heat pipe 29 in water carry out heat exchange, water temperature in pipe is raised, water after heating enters in high-order header 6 through heat pipe 29, hot water is risen by upper hose 7 and enters in drum 3, through repeatedly heating, water temperature in boiler drum 3 constantly rises, gasification is delivered to user side for high-temperature water vapor exports 11 in the upper end of drum 3 by steam pipe.Supply line and valve 4 constantly feed water simultaneously, are heated as water vapour, to reach the effect of waste heat boiler without coal production steam.Can day producing steam between 120-150t, steam be used for colliery publilc baths bathing, kitchen, dining room processing and coal mine at the bottom of ventilate and winter on-site heating, by 160 yuan/t steam calculate, bring the production value of 5,000,000 yuan every year to construction unit.Meanwhile, the installation of boiler using steam residual-heat, accelerates the cooling velocity of goods, improves the output of brick field about 10%, considerably increases the economic benefit of brick field.In addition, at the 2.5t/h waste heat steam boiler that Lu Xin building material Co., Ltd of Laiwu in Shandong province installs, average steam production reaches 3t/h, the steam utilizing waste heat boiler to produce carries out the operation generated electricity for brickmaking machine, than without the 8000 degree/sky of using electricity wisely during Waste Heat Generation, bring huge economic benefit to construction unit.
Claims (2)
1. a residual heat of tunnel kiln reclaims built-in boiler, it comprises by kiln wall (1), kiln top (2), refractory insulating layer (19), the tunnel cave that kiln car (30) is formed and be fixedly installed on the kiln top (2) on by support (8) support be provided with steam pipe outlet (11), exhaust steam valve (12), safety valve (13), the drum (3) of Pressure gauge (14) and water level display instrument (15), it is characterized in that: be provided with the bracing frame (23) installing low water level header (20) and the bracing frame (18) installing high water level header (6) respectively in the both sides of tunnel cave cooling section, and between the header of both sides, inclination heat pipe (29) is evenly set through upper furnace, drum (3) is by the supply line and valve (4) nourishment source that are arranged on kiln body side, downcomer (21) is provided with between low level header (20) and drum (3), upper hose (7) is provided with between high-order header (6) and drum (3), ground is provided with drum (25) outside Yao Qiang side, be connected with drum (3) by steam pipe (24).
2. residual heat of tunnel kiln according to claim 1 reclaims built-in boiler, it is characterized in that: be provided with blow-off pipe (28) in low level header (20) below, the side of high-order header (6) is provided with blow-off pipe (16), and drum (3) end is provided with blow-off pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454149.2U CN204100791U (en) | 2014-08-13 | 2014-08-13 | Residual heat of tunnel kiln reclaims built-in boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454149.2U CN204100791U (en) | 2014-08-13 | 2014-08-13 | Residual heat of tunnel kiln reclaims built-in boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204100791U true CN204100791U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420454149.2U Expired - Fee Related CN204100791U (en) | 2014-08-13 | 2014-08-13 | Residual heat of tunnel kiln reclaims built-in boiler |
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| CN (1) | CN204100791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142058A (en) * | 2014-08-13 | 2014-11-12 | 黄冈市华窑中扬窑业有限公司 | Tunnel kiln waste heat recycling built-in boiler |
-
2014
- 2014-08-13 CN CN201420454149.2U patent/CN204100791U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142058A (en) * | 2014-08-13 | 2014-11-12 | 黄冈市华窑中扬窑业有限公司 | Tunnel kiln waste heat recycling built-in boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Houlin Inventor after: Ye Huiguo Inventor after: Duan Jinhua Inventor before: Xu Houlin Inventor before: Wang Yingchun Inventor before: Duan Jinhua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU HOULIN WANG YINGCHUN DUAN JINHUA TO: XU HOULIN YE HUIGUO DUAN JINHUA |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150813 |
|
| EXPY | Termination of patent right or utility model |