CN201611210U - Residual heat extraction and utilization system of coal gangue brick tunnel kiln - Google Patents
Residual heat extraction and utilization system of coal gangue brick tunnel kiln Download PDFInfo
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- CN201611210U CN201611210U CN2010201769579U CN201020176957U CN201611210U CN 201611210 U CN201611210 U CN 201611210U CN 2010201769579 U CN2010201769579 U CN 2010201769579U CN 201020176957 U CN201020176957 U CN 201020176957U CN 201611210 U CN201611210 U CN 201611210U
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- tunnel kiln
- heat
- residual heat
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- fume
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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 residual heat extraction and utilization system of coal gangue brick, which is used for extracting the residual heat of fume in coal gangue brick tunnel kiln. The residual hat of the fume in the tunnel kiln can be effectively reused. The residual heat extraction and utilization system of coal gangue brick tunnel kiln comprises a drying room, a preheating segment, a combustion segment and a temperature keeping segment, which are successively arranged in the tunnel kiln. The wall of the tunnel kiln is provided with fume collection openings which are connected with fume extraction pipeline that is communicated with the outside of tunnel kiln. Through the arrangement of fume collection openings and the fume extraction pipeline, residual fume heat in the tunnel kiln can be extracted thereby providing heat for other devices which require heat. For example, the residual heat can be used for a steam boiler for generating steam, drying, heating, etc. The residual heat extraction and utilization system is suitable for generalizing on a heat recycling system of coal gangue brick tunnel kiln.
Description
Technical field
The utility model discloses a kind of bootstrap system, especially relate to a kind of spoil brick residual heat of tunnel kiln that extracts fume afterheat in the spoil brick tunnel cave and extract the system that utilizes.
Background technology
At present, spoil brick tunnel cave production line all adopts same kiln structure and production technology.The kiln body is divided into drying room, preheating section, furnace zone, soaking zone and cooling section, enters preheating section after the drying between the adobe drying of moulding and moves forward → furnace zone → soaking zone → cooling section; Each section temperature has nothing in common with each other, and preheating section 30-900 ℃, furnace zone 900-1100 ℃, soaking zone 1100-600 ℃, cooling section 600-35 ℃.Spoil adobe sintering in tunnel cave, about 900 kilocalories of the low heat value of gangue in combustion process/kg, the about 350-450 kilocalorie of every brick consumable in burning, behind the spoil brick sintering also unnecessary heat over half in tunnel cave with fume emission in atmosphere, wasted heat energy.
The utility model content
Technical problem to be solved in the utility model provides a kind of spoil brick residual heat of tunnel kiln that fume afterheat in the tunnel cave can be utilized again and extracts the system that utilizes.
The technical scheme that its technical problem that solves the utility model adopts is: spoil brick residual heat of tunnel kiln extracts the system that utilizes, comprise the drying room, preheating section, burning zone and the soaking zone that are arranged sequentially in the tunnel cave, the place is provided with the gas production mouth at the tunnel cave wall, gas production mouth place is connected with the fume extraction pipeline outside tunnel cave, and the fume extraction pipeline is connected with UTILIZATION OF VESIDUAL HEAT IN equipment.
As preferred implementation, described gas production mouth is arranged in preheating section and burning zone place.
Further be that described gas production mouth is arranged in the end of preheating section and burning zone.
Further be, the fume extraction pipeline is provided with the extraction control valve door, and terminal flue gas that extracts of preheating section and the terminal flue gas ratio that extracts of burning zone are 1: 5.
Further be to be provided with a plurality of gas production mouths at tunnel cave wall place.
Further be that the UTILIZATION OF VESIDUAL HEAT IN equipment that the fume extraction pipeline connects is the waste heat boiler that is arranged on the fume extraction pipe end.
Further be, the fume extraction pipeline is provided with the subtube that is arranged in parallel with waste heat boiler, and the end of subtube connects drying room.
Further be, waste heat boiler is provided with the boiler smoke pipeline, and the boiler smoke pipeline connects subtube.
Further be, waste heat boiler is provided with jet chimney, and the jet chimney end is connected with still kettle.
Further be that subtube and boiler smoke pipeline are provided with air-introduced machine.
The beneficial effects of the utility model are: by the layout of gas production mouth and fume extraction pipeline, flue gas heat unnecessary in the tunnel cave can be extracted out, thereby, other provides heat for needing the equipment of heat, as being used for steam boiler generation steam, oven dry, heating etc. by the heat that this is unnecessary, the heat that is adapted at spoil brick tunnel cave utilizes in the system again to be applied.
Description of drawings
Fig. 1 is a connection diagram of the present utility model.
Be labeled as among the figure: preheating section 1, burning zone 2, soaking zone 3, fume extraction pipeline 4, gas production mouth 5, air-introduced machine 6, extraction control valve door 7, waste heat boiler 8, subtube 9, drying room 10, boiler smoke pipeline 11, jet chimney 12, still kettle 13.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, spoil brick residual heat of tunnel kiln of the present utility model extracts the system that utilizes, comprise the drying room 10, preheating section 1, the burning zone 2 and soaking zone 3 that are arranged sequentially in the tunnel cave, the place is provided with gas production mouth 5 at the tunnel cave wall, gas production mouth 5 places are connected with the fume extraction pipeline 4 outside tunnel cave, and fume extraction pipeline 4 is connected with UTILIZATION OF VESIDUAL HEAT IN equipment.By the layout of gas production mouth 5 and fume extraction pipeline 4, flue gas heat unnecessary in the tunnel cave can be extracted out, thereby provide heat, as being used for steam boiler generation steam, oven dry even heating etc. by the heat that this is unnecessary for other needs the equipment of heat.For better flue gas being extracted, this gas production mouth 5 is preferably disposed on the top of tunnel cave.
In the above-described embodiment, gas production mouth 5 can be arranged in the optional position that has unnecessary heat in the tunnel cave, and as tunnel cave, the unnecessary heat that has in preheating section 1 and burning zone 2 is the most concentrated, therefore, as optimal way, described gas production mouth 5 is arranged in preheating section 1 and burning zone 2 places.And in order to prevent the spoil brick quality in the tunnel cave is impacted, described gas production mouth 5 is arranged in the end of preheating section 1 and burning zone 2.Like this, can prevent of the influence of the layout of gas production mouth 5, guarantee the ordinary production of spoil brick the spoil brick quality in the tunnel cave; Simultaneously, the end of preheating section 1 and burning zone 2 is the place that unnecessary heat is assembled the most in the tunnel cave, and therefore, the end that gas production mouth 5 is arranged in preheating section 1 and burning zone 2 can effectively utilize this part heat extraction again.
In order to guarantee the spoil brick quality in the tunnel cave better, fume extraction pipeline 4 is provided with extraction control valve door 7, and preheating section 1 terminal flue gas that extracts and the burning zone 2 terminal flue gas ratios that extract are 1: 5.The setting of extraction control valve door 7 can be regulated according to the heat situation in the tunnel cave, when guaranteeing with unnecessary heat extraction, also guaranteed the quality of production of spoil brick, and preheating section 1 terminal flue gas that extracts and the burning zone 2 terminal flue gas ratios that extract are set to 1: 5, also are in order to guarantee the quality of production of spoil brick in preheating section 1 and burning zone 2.
In the above embodiment, can 5 pairs of unnecessary flue gas heat of a gas production mouth only be set at tunnel cave wall place extracts, and as preferred implementation, be provided with a plurality of gas production mouths 5 at tunnel cave wall place, to reach ignition time, bake bricks speed and the temperature of control spoil brick in tunnel cave, guarantee the quality of fired brick.When being arranged in preheating section 1 and burning zone 2 terminal, can arrange 30 to 40 gas production mouths 5 in that preheating section 1 is terminal, arrange 120 to 130 gas production mouths 5 in that burning zone 2 is terminal as gas production mouth 5.
In the above embodiment, after leading to the tunnel cave outside, fume extraction pipeline 4 can connect the place that needs hot gas arbitrarily, as a kind of mode wherein, the UTILIZATION OF VESIDUAL HEAT IN equipment that fume extraction pipeline 4 connects is the waste heat boiler 8 that is arranged on fume extraction pipeline 4 ends, and the flue gas of extraction is heated the water in the waste heat boiler 8.And can not all utilize under the situation of heat at waste heat boiler 8, the subtube 9 that is arranged in parallel with waste heat boiler 8 can be set on fume extraction pipeline 4, the end of subtube 9 connects drying room 10.By the setting of this subtube 9, the flue gas heat that waste heat boiler 8 can not had to have utilized is transported in the drying room 10 carries out drying to the spoil brick and plays the effect that preheats to the spoil brick, so that the heat of extracting out in the tunnel cave is fully used.
In waste heat boiler 8 courses of work, waste heat boiler 8 also can produce the flue gas with heat, for this flue gas is utilized, waste heat boiler 8 is provided with boiler smoke pipeline 11, boiler smoke pipeline 11 connects subtube 9, so that the flue gas that waste heat boiler 8 produces carries out drying to the spoil brick in the drying room 10.
For making full use of the steam that waste heat boiler 8 produces, waste heat boiler 8 is provided with jet chimney 12, and jet chimney 12 ends are connected with still kettle 13.The steam that makes waste heat boiler 8 produce is passed into the steam-pressing brisk use of still kettle 13 for steam-pressing brisk factory.
In order to improve the utilization ratio of flue gas, subtube 9 and boiler smoke pipeline 11 are provided with air-introduced machine 6, utilize the fast moving of air-introduced machine 6 work drive flue gases, improve the utilization ratio of heat.
Claims (10)
1. spoil brick residual heat of tunnel kiln extracts the system that utilizes, comprise the drying room (10), preheating section (1), the burning zone (2) and soaking zone (3) that are arranged sequentially in the tunnel cave, it is characterized in that: be provided with gas production mouth (5) at tunnel cave wall place, gas production mouth (5) locates to be connected with the fume extraction pipeline (4) outside tunnel cave, and fume extraction pipeline (4) is connected with UTILIZATION OF VESIDUAL HEAT IN equipment.
2. spoil brick residual heat of tunnel kiln as claimed in claim 1 extracts and utilizes system, and it is characterized in that: described gas production mouth (5) is arranged in preheating section (1) and burning zone (2) is located.
3. spoil brick residual heat of tunnel kiln as claimed in claim 2 extracts and utilizes system, and it is characterized in that: described gas production mouth (5) is arranged in the end of preheating section (1) and burning zone (2).
4. spoil brick residual heat of tunnel kiln as claimed in claim 3 extracts the system that utilizes, it is characterized in that: fume extraction pipeline (4) is provided with extraction control valve door (7), and terminal flue gas that extracts of preheating section (1) and the terminal flue gas ratio that extracts of burning zone (2) are 1: 5.
5. extract according to any described spoil brick of claim residual heat of tunnel kiln in the claim 1 to 4 and utilize system, it is characterized in that: be provided with a plurality of gas production mouths (5) at tunnel cave wall place.
6. spoil brick residual heat of tunnel kiln as claimed in claim 5 extracts and utilizes system, it is characterized in that: the UTILIZATION OF VESIDUAL HEAT IN equipment that fume extraction pipeline (4) connects is for being arranged on the terminal waste heat boiler (8) of fume extraction pipeline (4).
7. spoil brick residual heat of tunnel kiln as claimed in claim 6 extracts and utilizes system, it is characterized in that: fume extraction pipeline (4) is provided with the subtube (9) that is arranged in parallel with waste heat boiler (8), and the end of subtube (9) connects drying room (10).
8. spoil brick residual heat of tunnel kiln as claimed in claim 7 extracts and utilizes system, and it is characterized in that: waste heat boiler (8) is provided with boiler smoke pipeline (11), and boiler smoke pipeline (11) connects subtube (9).
9. spoil brick residual heat of tunnel kiln as claimed in claim 8 extracts and utilizes system, and it is characterized in that: waste heat boiler (8) is provided with jet chimney (12), and jet chimney (12) end is connected with still kettle (13).
10. spoil brick residual heat of tunnel kiln as claimed in claim 9 extracts and utilizes system, and it is characterized in that: subtube (9) and boiler smoke pipeline (11) are provided with air-introduced machine (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201769579U CN201611210U (en) | 2010-04-30 | 2010-04-30 | Residual heat extraction and utilization system of coal gangue brick tunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201769579U CN201611210U (en) | 2010-04-30 | 2010-04-30 | Residual heat extraction and utilization system of coal gangue brick tunnel kiln |
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| Publication Number | Publication Date |
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| CN201611210U true CN201611210U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201769579U Expired - Fee Related CN201611210U (en) | 2010-04-30 | 2010-04-30 | Residual heat extraction and utilization system of coal gangue brick tunnel kiln |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453778A (en) * | 2013-09-03 | 2013-12-18 | 南通曼特威金属材料有限公司 | Waste gas drying system for smelting furnace |
| CN103822498A (en) * | 2014-03-20 | 2014-05-28 | 重庆新康洁具有限责任公司 | Kiln waste heat recycling device |
| CN104567437A (en) * | 2013-10-23 | 2015-04-29 | 洛阳中懋环保设备有限公司 | Flue gas waste heat utilizing system of coal gangue brickkiln |
| CN105091616A (en) * | 2015-08-05 | 2015-11-25 | 保定市金能换热设备有限公司 | System and method for recycling waste heat energy of exhausted smoke of coal gangue brick-making roasting tunnel kiln |
| CN110118492A (en) * | 2019-05-30 | 2019-08-13 | 四川国立能源科技有限公司 | UTILIZATION OF VESIDUAL HEAT IN production system based on super inner combustion sintering brick tunnel oven |
-
2010
- 2010-04-30 CN CN2010201769579U patent/CN201611210U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453778A (en) * | 2013-09-03 | 2013-12-18 | 南通曼特威金属材料有限公司 | Waste gas drying system for smelting furnace |
| CN103453778B (en) * | 2013-09-03 | 2015-04-01 | 南通曼特威金属材料有限公司 | Waste gas drying system for smelting furnace |
| CN104567437A (en) * | 2013-10-23 | 2015-04-29 | 洛阳中懋环保设备有限公司 | Flue gas waste heat utilizing system of coal gangue brickkiln |
| CN103822498A (en) * | 2014-03-20 | 2014-05-28 | 重庆新康洁具有限责任公司 | Kiln waste heat recycling device |
| CN105091616A (en) * | 2015-08-05 | 2015-11-25 | 保定市金能换热设备有限公司 | System and method for recycling waste heat energy of exhausted smoke of coal gangue brick-making roasting tunnel kiln |
| CN110118492A (en) * | 2019-05-30 | 2019-08-13 | 四川国立能源科技有限公司 | UTILIZATION OF VESIDUAL HEAT IN production system based on super inner combustion sintering brick tunnel oven |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20160430 |