CN203385195U - Porous medium smoke air heating furnace capable of mixing cold air - Google Patents
Porous medium smoke air heating furnace capable of mixing cold air Download PDFInfo
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- CN203385195U CN203385195U CN201320460617.2U CN201320460617U CN203385195U CN 203385195 U CN203385195 U CN 203385195U CN 201320460617 U CN201320460617 U CN 201320460617U CN 203385195 U CN203385195 U CN 203385195U
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- porous media
- heating furnace
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- air heating
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Abstract
The utility model relates to a porous medium smoke air heating furnace capable of mixing cold air. The porous medium smoke air heating furnace comprises a burner system, an ignition system (4), a cold air system (7) and a furnace body system. The burner system comprises a flammable gas pipeline (5), a combustion-supporting gas pipeline (1) and a burner body (3). The furnace body system comprises a furnace shell (8), a furnace chamber front section (9), a porous medium part (10) and a furnace chamber back section (11). The porous medium part (10) is arranged in the middle of the furnace shell (8). Cold air enters the furnace chamber front section (9) through the cold air system (7). High-temperature smoke generated by burning of burner body (3) is mixed with cold air in the furnace chamber front section (9) and then enters the zone of the porous medium part (10). Surface burning is completed. According to the porous medium smoke air heating furnace, the porous medium part is arranged in the furnace shell, the burn-out degree of fuel is improved, efficiency is high, energy is saved, environment is protected, and meanwhile the temperature evenness of exhausted smoke is improved, and the working performance of the furnace is optimized. The porous medium smoke air heating furnace is simple in structure, low in manufacturing cost and good in production stability.
Description
Technical field
The utility model relates to the industrial furnace field, more particularly, relates to a kind of porous media flue gas air heating furnace that mixes cold wind.
Background technology
Have more flue gas air heating furnace in the industrial enterprises such as metallurgy, chemical industry, machinery, the fuel gas such as coal gas, organic exhaust gas are burnt in flue gas air heating furnace, produce hot flue gas.The hot flue gas that the flue gas air heating furnace burning produces is fed in the equipment such as waste heat boiler, heat exchanger and carries out heat exchange, realizes effective utilization of the energy.
Due to lower to the requirement of flue-gas temperature in " flue gas air heating furnace-waste heat boiler/heat exchanger " system, generally " flue gas air heating furnace-waste heat boiler " system flue-gas temperature is below 1000 ℃, individual cases can reach 1500 ℃, and general " flue gas air heating furnace-heat exchanger " system flue-gas temperature is below 800 ℃.Based on above-mentioned situation, the inferior fuels such as most flue gas air heating furnace Fuel Selection low-heat value gas, organic exhaust gas, in the occasion that does not have inferior fuel, have to select exotic fuels, as liquefied petroleum gas, natural gas, coke-stove gas etc., in the high-temperature flue gas that needs to produce to the exotic fuels burning, mix cold wind to be mixed to get the flue gas that requires temperature.
Flue gas air heating furnace for using the high-grade fuels such as high heating value gas, organic exhaust gas, because the flue-gas temperature of its generation is too high, need to mix cold wind to be lowered the temperature, often exist fuel combustion not exclusively, high-temperature flue gas mixes the drawbacks such as inhomogeneous with cold wind.
The utility model content
The technical problems to be solved in the utility model is, a kind of porous media flue gas air heating furnace that mixes cold wind is provided.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of porous media flue gas air heating furnace that mixes cold wind, comprise combustion nozzle system, ignition system, quenching system and system of bf body;
Described combustion nozzle system comprises combustible gas pipeline, combustion-supporting air pipe and burner body, and described combustible gas pipeline is connected with described burner body respectively with combustion-supporting air pipe; Described system of bf body comprises furnace shell, burner hearth leading portion, porous media parts and burner hearth back segment, and described porous media parts are arranged on described furnace shell stage casing; Described ignition system is arranged in described burner hearth leading portion, and described quenching system passes into cold wind in described burner hearth leading portion; Enter the porous media component area after the high-temperature flue gas that described burner body burning produces mixes in described burner hearth leading portion with cold wind, complete surface combustion.
In the porous media flue gas air heating furnace that mixes cold wind described in the utility model, described ignition system is high-grade fuel burner or high temperature resistance silk.
In the porous media flue gas air heating furnace that mixes cold wind described in the utility model, described porous media unit type is Inorganic Non-metallic Materials or high temperature resistant nickel-bass alloy material.
In the porous media flue gas air heating furnace that mixes cold wind described in the utility model, described Inorganic Non-metallic Materials is aluminium oxide, titanium oxide, carborundum or mullite.
In the porous media flue gas air heating furnace that mixes cold wind described in the utility model, described porous media components interior structure is ceramic foam structure, ceramic honeycomb, ceramic sieve aperture structure, metallic fiber structure, particle or bead filling structure.
In the porous media flue gas air heating furnace that mixes cold wind described in the utility model, described combustible gas pipeline is provided with the combustible gas valve.
In the porous media flue gas air heating furnace that mixes cold wind described in the utility model, described combustion-supporting air pipe is provided with combustion-supporting air valve.
In the porous media flue gas air heating furnace that mixes cold wind described in the utility model, described furnace shell is square or cylindrical shape.
Implement the porous media flue gas air heating furnace that mixes cold wind of the present utility model, there is following beneficial effect:
(1) flue gas air heating furnace arranges the porous media parts, the fully contact mixing in porous media of not combustion composition in mixed flue gas, residue oxygen, realize further burning in porous media surface combustion mode, improved the after-flame degree of fuel, more efficient, energy-saving and environmental protection.
(2) flue gas air heating furnace arranges the porous media parts, during mixed flue gas process porous media parts, in the inner fully contact of porous media, mixes, and has improved the temperature homogeneity of discharge flue gas, has optimized its service behaviour.
(3) can to mix the porous media flue gas air heating furnace system of cold wind simple for the utility model, low cost of manufacture, and production stability is good.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation that the utility model can mix the porous media flue gas air heating furnace of cold wind.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As shown in Figure 1, the porous media flue gas air heating furnace that mixes cold wind of the present utility model comprises combustion nozzle system, ignition system 4, quenching system 7 and system of bf body.
Combustion nozzle system comprises combustible gas pipeline 5, combustion-supporting air pipe 1 and burner body 3, and combustible gas pipeline 5 is connected with burner body 3 respectively with combustion-supporting air pipe 1.On combustible gas pipeline 5, combustible gas valve 6 can be set, on combustion-supporting air pipe 1, combustion-supporting air valve 2 can be set.Combustible gas can adopt various coal gas, as liquefied petroleum gas, natural gas, coke-stove gas, coal gas of converter, mixed gas etc., and the organic exhaust gas that also can adopt various production processes to produce.Combustion-supporting gas can adopt oxygen denuded air, normal air, oxygen-enriched air, contain oxygen waste gas etc.Combustible gas and combustion-supporting gas pass into respectively in burner body 3, then by ignition system 4, light.Gaseous mixture is burnt with diffusion combustion mode in burner body 3 combustion chambers, has consumed most combustible gases and combustion-supporting gas.
Ignition system 4 can be high-grade fuel burner or high temperature resistance silk.The high-grade fuel burner further can select high-grade fuel igniter burner, the normal open flame combustion nozzle of high-grade fuel etc. to use the small-power burner of high-grade fuel.High-grade fuel can be liquefied petroleum gas, natural gas, coke-stove gas etc.The effect of ignition system 4 is that the burning in burner body 3 realizes igniting and steady flame for combustible gas.
System of bf body comprises furnace shell 8, burner hearth leading portion 9, porous media parts 10 and burner hearth back segment 11.Furnace shell 8 is the shapes such as square or cylindrical shape.Burner hearth leading portion 9 is positioned at the leading portion of furnace shell 8, and porous media parts 10 are arranged on furnace shell 8 stage casings, and burner hearth back segment 11 is positioned at the back segment of furnace shell 8.Ignition system 4 is arranged in burner hearth leading portion 9, and quenching system 7 passes into a certain amount of cold wind in burner hearth leading portion 9, and the high-temperature flue gas that the burner diffusion combustion produces and cold wind blending form mixed flue gas.
The utility model can mix the interior porous media parts 10 that arrange of furnace shell 8 of the porous media flue gas air heating furnace of cold wind, improved the after-flame degree of fuel, more efficient, energy-saving and environmental protection have also improved the temperature homogeneity of discharging flue gas simultaneously, have optimized its service behaviour.The utility model is simple in structure, low cost of manufacture, and production stability is good.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (8)
1. the porous media flue gas air heating furnace that can mix cold wind, is characterized in that, comprises combustion nozzle system, ignition system (4), quenching system (7) and system of bf body;
Described combustion nozzle system comprises combustible gas pipeline (5), combustion-supporting air pipe (1) and burner body (3), and described combustible gas pipeline (5) is connected with described burner body (3) respectively with combustion-supporting air pipe (1); Described system of bf body comprises furnace shell (8), burner hearth leading portion (9), porous media parts (10) and burner hearth back segment (11), and described porous media parts (10) are arranged on described furnace shell (8) stage casing; Described ignition system (4) is arranged in described burner hearth leading portion (9), and described quenching system (7) passes into cold wind in described burner hearth leading portion (9); Enter porous media parts (10) zone after the high-temperature flue gas that described burner body (3) burning produces mixes in described burner hearth leading portion (9) with cold wind, complete surface combustion.
2. the porous media flue gas air heating furnace that mixes cold wind according to claim 1, is characterized in that, described ignition system (4) is high-grade fuel burner or high temperature resistance silk.
3. the porous media flue gas air heating furnace that mixes cold wind according to claim 1, is characterized in that, described porous media parts (10) type is Inorganic Non-metallic Materials or high temperature resistant nickel-bass alloy material.
4. the porous media flue gas air heating furnace that mixes cold wind according to claim 3, is characterized in that, described Inorganic Non-metallic Materials is aluminium oxide, titanium oxide, carborundum or mullite.
5. the porous media flue gas air heating furnace that mixes cold wind according to claim 1; it is characterized in that, described porous media parts (10) internal structure is ceramic foam structure, ceramic honeycomb, ceramic sieve aperture structure, metallic fiber structure, particle or bead filling structure.
6. the porous media flue gas air heating furnace that mixes cold wind according to claim 1, is characterized in that, described combustible gas pipeline (5) is provided with combustible gas valve (6).
7. the porous media flue gas air heating furnace that mixes cold wind according to claim 1, is characterized in that, described combustion-supporting air pipe (1) is provided with combustion-supporting air valve (2).
8. the porous media flue gas air heating furnace that mixes cold wind according to claim 1, is characterized in that, described furnace shell (8) is square or cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460617.2U CN203385195U (en) | 2013-07-30 | 2013-07-30 | Porous medium smoke air heating furnace capable of mixing cold air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460617.2U CN203385195U (en) | 2013-07-30 | 2013-07-30 | Porous medium smoke air heating furnace capable of mixing cold air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385195U true CN203385195U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320460617.2U Expired - Fee Related CN203385195U (en) | 2013-07-30 | 2013-07-30 | Porous medium smoke air heating furnace capable of mixing cold air |
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| CN (1) | CN203385195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353166A (en) * | 2013-07-30 | 2013-10-16 | 中冶南方(武汉)威仕工业炉有限公司 | Porous medium flue gas hot blast stove capable of mixing cold air |
| CN106766153A (en) * | 2016-12-09 | 2017-05-31 | 中冶长天国际工程有限责任公司 | A kind of many spray orifice type hot-blast stoves |
-
2013
- 2013-07-30 CN CN201320460617.2U patent/CN203385195U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353166A (en) * | 2013-07-30 | 2013-10-16 | 中冶南方(武汉)威仕工业炉有限公司 | Porous medium flue gas hot blast stove capable of mixing cold air |
| CN106766153A (en) * | 2016-12-09 | 2017-05-31 | 中冶长天国际工程有限责任公司 | A kind of many spray orifice type hot-blast stoves |
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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: 20140108 Termination date: 20140730 |
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| EXPY | Termination of patent right or utility model |