CN204358768U - A kind of gas burning kiln oxygen-rich combustion-supporting system - Google Patents
A kind of gas burning kiln oxygen-rich combustion-supporting system Download PDFInfo
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- CN204358768U CN204358768U CN201420817350.2U CN201420817350U CN204358768U CN 204358768 U CN204358768 U CN 204358768U CN 201420817350 U CN201420817350 U CN 201420817350U CN 204358768 U CN204358768 U CN 204358768U
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- gas
- oxygen
- oxygen enrichment
- burning kiln
- kiln
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
A kind of gas burning kiln oxygen-rich combustion-supporting system, belongs to the combustion-supporting equipment technical field of kiln.Comprise the gas burning kiln (9) that is provided with Gas Pipe (8) and the front gas furnace heating tape (12) of gas burning kiln (9), it is characterized in that: parallel oxygen enrichment airduct (7) is established in the side of described Gas Pipe (8), the gas outlet of Gas Pipe (8) and the oxygen enrichment wind of oxygen enrichment airduct (7) export the full encirclement gas nozzle (10) being connected to and being located in gas burning kiln (9) furnace chamber, and the air intake of oxygen enrichment airduct (7) connects oxygen enrichment wind feed system.The utility model utilizes oxygen enrichment wind feed system to provide oxygen-enriched air, spray in gas burning kiln by oxygen-enriched air and combustion gas by same full encirclement gas nozzle, guarantee oxygen-enriched air fully contacts with combustion gas, improves the burning quality of combustion gas, improve kiln temperature, ensure that kiln condition is stablized.
Description
Technical field
A kind of gas burning kiln oxygen-rich combustion-supporting system, belongs to the combustion-supporting equipment technical field of kiln.
Background technology
The kiln of gas burning kiln to be a kind of with combustion gas be combustion heat source, the main calcination process with book pottery, glass etc., combustion gas can select natural gas, coal gas or liquefied gas as required.Use resistant to elevated temperatures shower nozzle that gas burning kiln inside is directly sent in combustion gas in the use procedure of gas burning kiln.The combustion gas of gas burning kiln inside is generally spontaneous firing, because be provided with gas furnace heating tape before gas burning kiln.Kiln inner ventilation condition is not enough, self-temperature that to improve.The major part of the nitrogen duty gas simultaneously in air, after oxygen consumes, the hot nitrogen of constantly discharging in kiln can take away a large amount of heats, reduces kiln kiln temperature further.This just causes the combustion atmosphere in gas burning kiln unstable, can affect firing of product, cause defect rate too high time serious.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provides the gas burning kiln oxygen-rich combustion-supporting system that a kind of kiln condition is more steady, kiln temperature is higher.
The utility model solves the technical scheme that its technical problem adopts: this gas burning kiln oxygen-rich combustion-supporting system, comprise the gas furnace heating tape before the gas burning kiln and gas burning kiln being provided with Gas Pipe, the side of described Gas Pipe is provided with oxygen enrichment airduct, the gas outlet of Gas Pipe and the oxygen enrichment wind of oxygen enrichment airduct export the full encirclement gas nozzle being connected to and being located in gas burning kiln furnace chamber, and the air intake of oxygen enrichment airduct connects oxygen enrichment wind feedway.
The utility model utilizes oxygen enrichment wind feed system to provide oxygen-enriched air, spray in gas burning kiln by oxygen-enriched air and combustion gas by same full encirclement gas nozzle, guarantee oxygen-enriched air fully contacts with combustion gas, improves the burning quality of combustion gas, improve kiln temperature, ensure that kiln condition is stablized.
Described Gas Pipe extends to the full inner chamber front portion surrounding gas nozzle, and the oxygen enrichment wind outlet of oxygen enrichment airduct is located at the full inner chamber rear portion surrounding gas nozzle, is provided with the guide vane tilting to be fixed on and entirely surround on gas nozzle inwall before oxygen enrichment airduct.
The utility model adopts unique nozzle injection design, the gas outlet of Gas Pipe extends to the full inner chamber front portion surrounding gas nozzle, ensure the bunchy ejection of combustion gas, and the oxygen enrichment wind in oxygen enrichment airduct enters entirely to surround the inner chamber of gas nozzle in advance, and scatter completely under the inhibition of guide vane, thus around the combustion gas of bunchy ejection, form oxygen enrichment encirclement, the combustion gas of being surrounded by oxygen enrichment sprays in gas burning kiln, combustion gas is burnt rapidly in oxygen-enriched air, substantially increase the fuel value of combustion gas, kiln temperature can increase 150 DEG C ~ 300 DEG C, nitrogen content in oxygen-enriched air is low, hot exhaust gas is discharged few, reduce because nitrogen discharges the heat energy taken away, greatly save the consumption of combustion gas, realize efficient energy-saving effect.
Described oxygen enrichment wind feedway comprises the filter, blower fan, membrane type oxygen-enriched generator, dry vacuum pump and the vacuum tank that connect successively, and the air outlet of vacuum tank is tightly connected oxygen enrichment airduct.Air is filtered rear air inlet fan, then obtains oxygen-enriched air through oxygen-enriched generator, and oxygen-enriched air enters vacuum tank through dry vacuum pump, by entirely surround gas nozzle deliver to carry out in kiln combustion-supporting.The feature of this oxygen enrichment wind feed system uses dry vacuum pump after being oxygen-enriched generator, and dry vacuum pump can not increase the moisture of oxygen enrichment wind, keeps oxygen enrichment air-dry dry.Such oxygen enrichment wind can directly and combustion gas mixing use, can prevent combustion gas from spreading under steam is lowered the temperature before reacting with eutrophic, ensure that combustion gas and oxygen enrichment wind burn when the concentration be comparatively suitable for.The floor space of membrane type oxygen-enriched generator is little, and the oxygen content requirements that the oxygen enrichment wind energy after transforming fully meets.
The tertiary filter that described filter is roughing efficiency air filter, medium effeciency filter, high efficiency particulate air filter compose in series, filter is greater than 99.9% to the dust removal rate being greater than 0.5 μm, and resistance is less than 0.3KPa.Fully filter entering oxygen-enriched generator, reduce dust to the infringement of oxygen-enriched generator.The dust removal rate being greater than 0.5 μm when filter is greater than 99.9%, and resistance is less than the blow rate required that 0.3Kpa both could ensure blower fan, ensures again the safe prolonged application of oxygen-enriched generator.
Described filter connects PLC automatic control system by pressure sensor, and the rear of described oxygen-enriched generator is equipped with oxygen-rich concentration table and connects PLC automatic control system, and the air outlet place of described vacuum tank is provided with output gas flow table and connects PLC automatic control system.
Compared with prior art, the beneficial effect that a kind of gas burning kiln oxygen-rich combustion-supporting system of the present utility model has is: the utility model utilizes oxygen enrichment wind feed system to provide oxygen-enriched air, oxygen-enriched air and combustion gas are sprayed in gas burning kiln by same full encirclement gas nozzle, guarantee oxygen-enriched air fully contacts with combustion gas, improve the burning quality of combustion gas, improve kiln temperature, ensure that kiln condition is stablized.Gas Pipe of the present utility model extends to the complete interior front portion surrounding gas nozzle, ensure the bunchy ejection of combustion gas, and the oxygen enrichment wind in oxygen enrichment airduct enters entirely to surround the inner chamber of gas nozzle in advance, and scatter completely under the inhibition of guide vane, thus around the combustion gas of bunchy ejection, form oxygen enrichment encirclement, the combustion gas of being surrounded by oxygen enrichment sprays in gas burning kiln, combustion gas is burnt rapidly in oxygen-enriched air, substantially increase the fuel value of combustion gas, kiln temperature can increase 150 DEG C ~ 300 DEG C, nitrogen content in oxygen-enriched air is low, hot exhaust gas is discharged few, reduce because nitrogen discharges the heat energy taken away, greatly save the consumption of combustion gas, realize efficient energy-saving effect.In a word, the utility model equipment is simple, and easy to operate, security is good, and reliability is high, substantially can freedom from repairs.
Accompanying drawing explanation
Fig. 1 is the connection diagram of a kind of gas burning kiln oxygen-rich combustion-supporting system of the utility model.
Fig. 2 is the sectional view of the full encirclement gas nozzle of a kind of gas burning kiln of the utility model oxygen-rich combustion-supporting system.
Wherein, 1, filter 101, roughing efficiency air filter 102, medium effeciency filter 103, high efficiency particulate air filter 2, blower fan 3, membrane type oxygen-enriched generator 4, vacuum meter 5, dry vacuum pump 6, vacuum tank 7, oxygen enrichment airduct 8, Gas Pipe 9, gas burning kiln 10, entirely surround gas nozzle 11, guide vane 12, gas furnace heating tape.
Detailed description of the invention
Fig. 1 ~ 2 are most preferred embodiments of the present utility model, are described further below in conjunction with accompanying drawing 1 ~ 2 pair of the utility model.
With reference to accompanying drawing 1 ~ 2: a kind of gas burning kiln oxygen-rich combustion-supporting system of the present utility model, comprise filter 1, blower fan 2, membrane type oxygen-enriched generator 3, dry vacuum pump 5, vacuum tank 6, oxygen enrichment airduct 7, Gas Pipe 8, gas burning kiln 9, full encirclement gas nozzle 10 and gas furnace heating tape 12.Filter 1 is by roughing efficiency air filter 101, medium effeciency filter 102 and high efficiency particulate air filter 103 3 grades compose in series, connecting fan 2 after filter 1, centrifugal high pressure positive blower selected by blower fan 2, blower fan 2 air outlet connects the air inlet of membrane type oxygen-enriched generator 3, the oxygen enrichment wind export pipeline of membrane type oxygen-enriched generator 3 connects dry vacuum pump 5, this pipeline is equiped with vacuum meter 4, the oxygen enrichment wind outlet of dry vacuum pump 5 connects vacuum tank 6, the oxygen enrichment wind outlet of vacuum tank 6 connects oxygen enrichment airduct 7, same full encirclement gas nozzle 10 in oxygen enrichment airduct 7 and Gas Pipe 8 neighboring access gas burning kiln 9, wherein Gas Pipe 8 extends to the full inner chamber front portion surrounding gas nozzle 10, the oxygen enrichment wind outlet of oxygen enrichment airduct 7 is located at the full inner chamber rear portion surrounding gas nozzle 10, be provided with before oxygen enrichment airduct 7 and tilt to be fixed on the full guide vane 11 surrounded on gas nozzle 10 inwall, gas furnace heating tape 12 is provided with before gas burning kiln 9.
Concrete using method is: utilize the oxygen enrichment wind feedway in system, the oxygen content that use membrane oxygen enrichment technology obtains is 28% ~ 32%, the volume ratio of oxygen enrichment air quantity and total gas quantity is (1 ~ 2): 1, utilize oxygen enrichment airduct 7 and Gas Pipe 8 that oxygen-enriched air and combustion gas are sent into gas burning kiln 9 simultaneously, oxygen-enriched air and combustion gas form the air-flow of oxygen-enriched air around combustion gas at the full gas nozzle 10 that surrounds, and spray into together in gas burning kiln 9.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (5)
1. a gas burning kiln oxygen-rich combustion-supporting system, comprise the gas burning kiln (9) that is provided with Gas Pipe (8) and the front gas furnace heating tape (12) of gas burning kiln (9), it is characterized in that: the side of described Gas Pipe (8) is provided with oxygen enrichment airduct (7), the gas outlet of Gas Pipe (8) and the oxygen enrichment wind of oxygen enrichment airduct (7) export the full encirclement gas nozzle (10) being connected to and being located in gas burning kiln (9) furnace chamber, and the air intake of oxygen enrichment airduct (7) connects oxygen enrichment wind feedway.
2. a kind of gas burning kiln oxygen-rich combustion-supporting system according to claim 1, it is characterized in that: it is anterior that described Gas Pipe (8) extends to the inner chamber entirely surrounding gas nozzle (10), the oxygen enrichment wind outlet of oxygen enrichment airduct (7) is located at the inner chamber rear portion entirely surrounding gas nozzle (10), and oxygen enrichment airduct (7) is front to be provided with inclination and to be fixed on the guide vane (11) entirely surrounded on gas nozzle (10) inwall.
3. a kind of gas burning kiln oxygen-rich combustion-supporting system according to claim 1, it is characterized in that: described oxygen enrichment wind feedway comprises the filter (1), blower fan (2), membrane type oxygen-enriched generator (3), dry vacuum pump (5) and the vacuum tank (6) that connect successively, the air outlet of vacuum tank (6) is tightly connected oxygen enrichment airduct (7).
4. a kind of gas burning kiln oxygen-rich combustion-supporting system according to claim 3, it is characterized in that: the tertiary filter that described filter (1) is roughing efficiency air filter (101), medium effeciency filter (102), high efficiency particulate air filter (103) compose in series, filter (1) is greater than 99.9% to the dust removal rate being greater than 0.5 μm, and resistance is less than 0.3KPa.
5. a kind of gas burning kiln oxygen-rich combustion-supporting system according to claim 3, it is characterized in that: described filter (1) connects PLC automatic control system by pressure sensor, the rear of described oxygen-enriched generator is equipped with oxygen-rich concentration table and connects PLC automatic control system, and the air outlet place of described vacuum tank (6) is provided with output gas flow table and connects PLC automatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817350.2U CN204358768U (en) | 2014-12-22 | 2014-12-22 | A kind of gas burning kiln oxygen-rich combustion-supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817350.2U CN204358768U (en) | 2014-12-22 | 2014-12-22 | A kind of gas burning kiln oxygen-rich combustion-supporting system |
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| CN204358768U true CN204358768U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420817350.2U Active CN204358768U (en) | 2014-12-22 | 2014-12-22 | A kind of gas burning kiln oxygen-rich combustion-supporting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534169A (en) * | 2018-04-11 | 2018-09-14 | 江苏华飞宇节能技术有限公司 | A kind of integrating device for oxygen enriching burning-aid |
-
2014
- 2014-12-22 CN CN201420817350.2U patent/CN204358768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534169A (en) * | 2018-04-11 | 2018-09-14 | 江苏华飞宇节能技术有限公司 | A kind of integrating device for oxygen enriching burning-aid |
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