CN204648216U - A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN - Google Patents
A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN Download PDFInfo
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- CN204648216U CN204648216U CN201520111958.8U CN201520111958U CN204648216U CN 204648216 U CN204648216 U CN 204648216U CN 201520111958 U CN201520111958 U CN 201520111958U CN 204648216 U CN204648216 U CN 204648216U
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- outlet
- fuel gas
- exhaust gases
- air duct
- gases passes
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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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- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model relates to a kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN, for to Industrial Stoves heat supply, comprise blast tube, exhaust gases passes and air duct, the outlet of exhaust gases passes is positioned at air duct, the outlet air channel outlet of blast tube is also positioned at Industrial Stoves porch, the outlet of blast tube is provided with igniter, and the entrance of exhaust gases passes is connected to fume pipe, and fume pipe is provided with the waste heat recovery mouth passing to industrial furnace smoke outlet.Exhaust gases passes of the present utility model passes into the high-temperature flue gas that part Industrial Stoves produce, blast tube endogenous substance fuel gas temperature is maintained on the one hand by heat exchange, make tar not condensation, on the other hand, high-temperature flue gas fully mixes with the air in air duct, form low-oxygen high-temperature mist, then light with biological fuel gas.The utility model can be applicable to biological fuel gas combustion technology.
Description
Technical field
The utility model relates to biological fuel gas combustion field, particularly a kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN.
Background technology
Biological fuel gas because of its clean environmental protection, burning pollutant discharge less, cheap, can effectively substitute conventional fossil fuel and be widely used in Industrial Stoves field, as molten aluminium stove, melting furnace, glass furnace etc., meet its environmental requirement to fuel, alleviate environmental protection pressure.
Compare traditional gas fossil fuel, as natural gas, oil liquefied gas etc., biological fuel gas belongs to fuel gas with low heat value in one, and calorific value usually can at 4 ~ 12MJ/Nm
3regulate.In addition, the combustion gas of current most applying biological matter is applied in Industrial Stoves with the form of hot combustion gas, namely biomass thermal combustion gas is produced and is namely used, containing a certain amount of tar and dust in combustion gas, when biological fuel gas Cemented filling is to kiln burner, because temperature declines, there is the problem that part tar condensing pollutes, blocks burner.And Industrial Stoves carry out the operations such as melting, calcining, heat treatment usually under the high temperature conditions, need to maintain comparatively blast furnace hearth temperature, usually more than 1000 DEG C, when air distribution is more, the nitrogen oxide that kiln high temperature produces is more; On the one hand, the flue-gas temperature that Industrial Stoves produce is very high, carries quite a few heat; On the other hand, in employing, low heat value biomass gas heating is in Industrial Stoves, and the exhaust gas volumn of generation is large, and rate of heat transfer is comparatively slow, and temperature is subject to a definite limitation.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN, decreases tar condensing, reduces the generation of nitrogen oxide.
The technical scheme that the utility model adopts is:
A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN, for to Industrial Stoves heat supply, comprise blast tube, around the exhaust gases passes of blast tube periphery and the air duct around exhaust gases passes periphery, the outlet of described exhaust gases passes is positioned at air duct, the outlet air channel outlet of described blast tube is also positioned at Industrial Stoves porch, the outlet of described blast tube is provided with igniter, the entrance of described exhaust gases passes is connected to fume pipe, and described fume pipe is provided with the waste heat recovery mouth passing to industrial furnace smoke outlet.
As further improvement of the utility model, described blast tube, exhaust gases passes and air duct concentric are arranged.
As further improvement of the utility model, the outlet of described exhaust gases passes is positioned in the middle part of air duct.
As further improvement of the utility model, the outlet of described exhaust gases passes is provided with the reducing of taper, and the reducing of described taper is provided with tuyere.
As further improvement of the utility model, the outlet of described air duct is provided with necking pipe, and the caliber of described necking pipe successively decreases along airflow direction in air duct.
As further improvement of the utility model, the outlet of described air duct is provided with guide vane.
As further improvement of the utility model, described fume pipe is provided with air-introduced machine.
As further improvement of the utility model, the exhanst gas outlet of described Industrial Stoves is connected to flue gas house steward, and described flue gas house steward is connected to oxygen analyser, and described fume pipe is provided with control valve, and described waste heat recovery mouth is connected on the branch road of flue gas house steward.
The beneficial effects of the utility model are: exhaust gases passes of the present utility model passes into the high-temperature flue gas that part Industrial Stoves produce, blast tube endogenous substance fuel gas temperature is maintained on the one hand by heat exchange, make tar not condensation, on the other hand, high-temperature flue gas fully mixes with the air in air duct, form low-oxygen high-temperature mist, light with biological fuel gas again, this device achieves the utilization of industry kiln stove waste heat, ensure that the temperature of biological fuel gas, to make in combustion gas tar can not condensation pollution combustor, be conducive to reducing the amount of nitrogen oxides in combustion product gases by part flue gas recirculation simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The Problem of Biomass Fuel Gas Combustion installment of band UTILIZATION OF VESIDUAL HEAT IN as shown in Figure 1, for Industrial Stoves 1 heat supply, comprises blast tube 2, exhaust gases passes 3 and air duct 4.Blast tube 2, exhaust gases passes 3 and air duct 4 concentric and successively by center to peripheral ring around layout.
Wherein, the entrance of exhaust gases passes 3 is connected to fume pipe 6, fume pipe 6 is provided with the waste heat recovery mouth passing to Industrial Stoves 1 exhanst gas outlet, the outlet of exhaust gases passes 3 is positioned at air duct 4, the part that Industrial Stoves 1 produce in high-temperature flue gas enters fume pipe 6 and exhaust gases passes 3 by waste heat recovery mouth, finally mixes with air in air duct 4, forms low-oxygen high-temperature mist, combustion-supporting biological fuel gas, reduces the generation of Industrial Stoves 1 nitrogen oxide.Period, because exhaust gases passes 3 is centered around blast tube 2 periphery, high-temperature flue gas to the biological fuel gas heating in blast tube 2 when exhaust gases passes 3 flows, maintains the temperature of biological fuel gas, reduces tar condensing.
In embodiment, the outlet air duct 4 of blast tube 2 exports and is positioned at Industrial Stoves 1 porch, therefore blast tube 2 go out interruption-forming combustion zone, biological fuel gas and low-oxygen high-temperature mist mix in combustion zone and the igniter 5 arranged by combustion zone is lighted, and igniter 5 stretches into from blast tube 2.
Preferably, the outlet of exhaust gases passes 3 is positioned in the middle part of air duct 4, and the leading portion of air duct 4 is positioned at exhaust gases passes 3 periphery, and therefore the air of this section first can carry out preheating by high-temperature flue gas, and only the back segment air of air duct 4 just can fully mix with high-temperature flue gas.
Preferably, the outlet of exhaust gases passes 3 end is provided with the reducing 7 of taper, the reducing 7 of taper is provided with tuyere, tuyere diameter is 8 ~ 12mm, quantity is 20 ~ 30, high-temperature flue gas through tuyere high speed injection, fully mixes with the air of air duct 4 in the reducing 7 of taper, forms low-oxygen high-temperature mist.
The outlet of air duct 4 is provided with spiral guide vane 9, and guide vane 9 angle is 45 °, and quantity is 10 ~ 16, and rotation direction is dextrorotation.Low-oxygen high-temperature mist fully mixes with biological fuel gas in air duct 4 outlet through guide vane 9, forms secondary mist.Be provided with necking pipe 8 at the rear of guide vane 9, the caliber of necking pipe 8 successively decreases along airflow direction in air duct 4 simultaneously, improves the muzzle velocity of secondary mist, prevents fray-out of flame.
In the present embodiment, fume pipe 6 is provided with air-introduced machine 10, is introduced in fume pipe 6 by the high-temperature flue gas of Industrial Stoves 1.
The exhanst gas outlet of Industrial Stoves 1 is connected to flue gas house steward 11, flue gas house steward 11 is connected to oxygen analyser 12, and fume pipe 6 is provided with control valve 13, and waste heat recovery mouth is connected on the branch road of flue gas house steward 11.By the monitoring of flue gas house steward 11 oxygen content in embodiment, regulate the ratio passing into combustion-supporting air quantity in high-temperature flue gas amount and air duct 4, the generation of Industrial Stoves 1 combustion process nitrogen oxide can be reduced.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.
Claims (8)
1. the Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN, for to Industrial Stoves (1) heat supply, it is characterized in that: comprise blast tube (2), exhaust gases passes (3) around blast tube (2) periphery and the air duct (4) around exhaust gases passes (3) periphery, the outlet of described exhaust gases passes (3) is positioned at air duct (4), outlet air duct (4) outlet of described blast tube (2), the outlet of described blast tube (2) is provided with igniter (5), the entrance of described exhaust gases passes (3) is connected to fume pipe (6), described fume pipe (6) is provided with the waste heat recovery mouth passing to Industrial Stoves (1) exhanst gas outlet.
2. the Problem of Biomass Fuel Gas Combustion installment of band UTILIZATION OF VESIDUAL HEAT IN according to claim 1, is characterized in that: described blast tube (2), exhaust gases passes (3) and air duct (4) concentric are arranged.
3. the Problem of Biomass Fuel Gas Combustion installment of band UTILIZATION OF VESIDUAL HEAT IN according to claim 2, is characterized in that: the outlet of described exhaust gases passes (3) is positioned at air duct (4) middle part.
4. the Problem of Biomass Fuel Gas Combustion installment of band UTILIZATION OF VESIDUAL HEAT IN according to claim 3, is characterized in that: the outlet of described exhaust gases passes (3) is provided with the reducing (7) of taper, and the reducing (7) of described taper is provided with tuyere.
5. the Problem of Biomass Fuel Gas Combustion installment of band UTILIZATION OF VESIDUAL HEAT IN according to claim 2, is characterized in that: the outlet of described air duct (4) is provided with necking pipe (8).
6. the Problem of Biomass Fuel Gas Combustion installment of the band UTILIZATION OF VESIDUAL HEAT IN according to claim 2 or 5, is characterized in that: the outlet of described air duct (4) is provided with guide vane (9).
7. the Problem of Biomass Fuel Gas Combustion installment of band UTILIZATION OF VESIDUAL HEAT IN according to claim 1 and 2, is characterized in that: described fume pipe (6) is provided with air-introduced machine (10).
8. the Problem of Biomass Fuel Gas Combustion installment of band UTILIZATION OF VESIDUAL HEAT IN according to claim 7, it is characterized in that: the exhanst gas outlet of described Industrial Stoves (1) is connected to flue gas house steward (11), described flue gas house steward (11) is connected to oxygen analyser (12), described fume pipe (6) is provided with control valve (13), and described waste heat recovery mouth is connected on the branch road of flue gas house steward (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111958.8U CN204648216U (en) | 2015-02-13 | 2015-02-13 | A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111958.8U CN204648216U (en) | 2015-02-13 | 2015-02-13 | A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN |
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| CN204648216U true CN204648216U (en) | 2015-09-16 |
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| CN201520111958.8U Expired - Fee Related CN204648216U (en) | 2015-02-13 | 2015-02-13 | A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222585A (en) * | 2015-10-12 | 2016-01-06 | 广东工业大学 | The combustion-supporting energy-saving aluminium-melting furnace of small-sized flue gas |
| CN106369600A (en) * | 2016-11-07 | 2017-02-01 | 天津海泰环保科技发展股份有限公司 | Efficient burner |
| CN106369616A (en) * | 2016-11-07 | 2017-02-01 | 天津海泰环保科技发展股份有限公司 | Rubber waste gas treatment device |
| CN106500094A (en) * | 2016-10-19 | 2017-03-15 | 同济大学 | A kind of low nitrogen gradual combustor of high temperature smoke gas circulating type and technique |
| CN106594716A (en) * | 2016-12-05 | 2017-04-26 | 王立臣 | Flue gas and air premixing pipe bundle self-cooling low-nitrogen combustion device and combustion method thereof |
| CN107883373A (en) * | 2017-10-31 | 2018-04-06 | 天津生态城能源投资建设有限公司 | A kind of nozzle-adjustable low heat value biomass combustion gas clean combustion equipment |
| CN107917416A (en) * | 2017-10-24 | 2018-04-17 | 天津大学 | A kind of low heat value biomass combustion gas clean combustion equipment |
| CN108443868A (en) * | 2018-05-22 | 2018-08-24 | 西安交通大学 | A kind of air/low NO of lean gas replaceable typexTurbulent burner |
| CN110579116A (en) * | 2019-10-28 | 2019-12-17 | 张家港宏昌钢板有限公司 | Reduction of NOxDischarged single heat accumulating type heating furnace system |
-
2015
- 2015-02-13 CN CN201520111958.8U patent/CN204648216U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222585A (en) * | 2015-10-12 | 2016-01-06 | 广东工业大学 | The combustion-supporting energy-saving aluminium-melting furnace of small-sized flue gas |
| CN106500094A (en) * | 2016-10-19 | 2017-03-15 | 同济大学 | A kind of low nitrogen gradual combustor of high temperature smoke gas circulating type and technique |
| CN106369600B (en) * | 2016-11-07 | 2019-04-12 | 天津海泰环保科技发展股份有限公司 | Burner with high efficiency |
| CN106369616A (en) * | 2016-11-07 | 2017-02-01 | 天津海泰环保科技发展股份有限公司 | Rubber waste gas treatment device |
| CN106369600A (en) * | 2016-11-07 | 2017-02-01 | 天津海泰环保科技发展股份有限公司 | Efficient burner |
| CN106369616B (en) * | 2016-11-07 | 2019-04-16 | 天津海泰环保科技发展股份有限公司 | Rubber emission-control equipment |
| CN106594716A (en) * | 2016-12-05 | 2017-04-26 | 王立臣 | Flue gas and air premixing pipe bundle self-cooling low-nitrogen combustion device and combustion method thereof |
| CN106594716B (en) * | 2016-12-05 | 2018-11-27 | 王立臣 | A kind of cigarette wind premix restrains self cooling but low nitrogen combustion apparatus and its combustion method |
| CN107917416A (en) * | 2017-10-24 | 2018-04-17 | 天津大学 | A kind of low heat value biomass combustion gas clean combustion equipment |
| CN107883373A (en) * | 2017-10-31 | 2018-04-06 | 天津生态城能源投资建设有限公司 | A kind of nozzle-adjustable low heat value biomass combustion gas clean combustion equipment |
| CN108443868A (en) * | 2018-05-22 | 2018-08-24 | 西安交通大学 | A kind of air/low NO of lean gas replaceable typexTurbulent burner |
| CN108443868B (en) * | 2018-05-22 | 2024-04-16 | 西安交通大学 | Air/lean gas replaceable low NO x Swirl burner |
| CN110579116A (en) * | 2019-10-28 | 2019-12-17 | 张家港宏昌钢板有限公司 | Reduction of NOxDischarged single heat accumulating type heating furnace system |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20180213 |