CN105351932A - Oxygen-enriched combustion device of float glass kiln - Google Patents
Oxygen-enriched combustion device of float glass kiln Download PDFInfo
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- CN105351932A CN105351932A CN201510823691.XA CN201510823691A CN105351932A CN 105351932 A CN105351932 A CN 105351932A CN 201510823691 A CN201510823691 A CN 201510823691A CN 105351932 A CN105351932 A CN 105351932A
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- oxygen
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- float glass
- cooling water
- glass furnace
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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
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Abstract
The invention discloses an oxygen-enriched combustion device of a float glass kiln. The oxygen-enriched combustion device is connected with an oxygen conveying system and a fuel supply system and comprises an oxygen-enriched combustor, a heavy oil/natural gas uniform distribution device which is arranged on a multi-layer casing pipe structure, and a head part. The oxygen-enriched combustor comprises the multi-layer casing pipe structure and a cooling water channel, a center pipeline of the multi-layer casing pipe structure is an oxygen channel, the cooling water channel surrounds the oxygen channel, and the cooling water channel is provided with a cooling water inlet connector flange and a cooling water outlet connector flange. The head part is located at the end of the multi-layer casing pipe structure, and the head part is of a single-hole jetting structure. The oxygen-enriched combustion project is put into operation at the earlier stage of the glass kiln, and on one hand, the quality of glass products can be improved; and on the other hand, the enthalpy brought away by waste gas exhaust can be reduced, and accordingly, the energy saving effect is achieved. The emission of NOx generated in the combustion process of heavy oil or natural gas or other fuel can be reduced, and the later flue gas denitrification operation cost is reduced.
Description
Technical field
The present invention relates to float glass preparation field, be specifically related to a kind of float glass furnace oxygen-enriched burning device.
Background technology
In recent years, China's glass industry achieves significant progress, and within 2009, the built floatation glass production line of going into operation in the whole nation is more than 210, and average melt ability is about 510t/d, and maximum-norm reaches 1300t/d.At present, national plate glass output is more than 700,000,000 loaded vans, and output accounts for the over half of the whole world, within continuous 20 years, occupies the first in the world.
Reduce discharging the appearance of policy along with national energy-saving and go deep into, when environmental requirement increasingly stringent, be particularly that the atmosphere polluting problem that the melting furnaces fume emission of fuel causes has received much concern with heavy oil to float glass furnace, administer very urgent to its flue gas discharged, flue gas desulfurization Treatment process is at home through the development of more than ten years, be widely used and deep development in power industry, operating condition and the common station boiler of glass furnace have larger difference, select the combustion system of rational glass furnace and denitrating flue gas desulfurization program will to be one of emphasis of developing in a healthy way of glass furnace energy-conserving and environment-protective field.
" national environmental protection " 12 " planning ", environmental protection pendulum in more importantly position, the top priority of " 12 " advances major pollutants to reduce discharging.Put forth effort to cut down COD and ammonia nitrogen discharge capacity, carry out cleaner production energetically and develop a circular economy.Improve chemical industry, metallurgy, building materials, industry pollutant emission standard and the cleaner production apprasement index such as coloured.Advance the field cleaner production demonstrations such as agricultural, industry, building, in-depth recycling economy demonstration pilot project, accelerate resource regeneration industrialization, propelling is produced, circulates, is consumed each link recycling economy development, builds the resource circulation utilization system covering the whole society.
Explicitly point out in " 12 " planning, sulfur dioxide and nitrogen oxide reduction of discharging dynamics be strengthened, strengthen the industry sulfur dioxide such as building materials, petrochemical industry, Coal Chemical Industry and nitrogen oxide improvement.The Industrial Stoves of the industries such as petroleum and petrochemical industry, coloured, building materials will carry out desulfurization, low-NO_x combustion technology transformation, suit measures to local conditions to carry out smoke gas treatment.Research and develop new and high technology, key technology, the common technology of Environmental capacity, ecological protection and environmental risk prevention energetically.The control technologys such as research and development nitrogen oxide, heavy metal, persistence organic pollutant, hazardous chemical.Promote desulfurization and denitrification integral, dephosphorization denitrogenation integrated and remove the research and development of the Comprehensive Control Technology such as heavy metal energetically, the demonstration of strengthening advanced technology with promote.Promote the equipment manufacture development of attaching most importance to sewage disposal, desulphurization denitration, soil remediation and environmental monitoring energetically, research and develop and demonstrate a collection of Novel environment-friendlymaterial material, medicament and environmentally friendly product.Promote inter-trade, utilize association's construction across Enterprises.Carry out environmental protection facility operation qualification licensing system, advance the specialization of the pollution Facilities Construction such as flue gas desulfurization and denitrification, town sewage garbage disposal, hazardous waste process disposal and operation, socialization, commercialization, carry out flue gas desulfurization facilities franchise operation.
Advocate the major premise of energy-conserving and environment-protective, the discharge of strict control polluted articles in country under, flat glass industry has self special character.Production high-quality glass must use selected raw material, and therefore plate glass enterprise is difficult to adopt ecological Industrial Area pattern to carry out Implementing Circular Economy.Flat Glass in China industrial development recycling economy should in glass production link, adopt advanced energy-conservation, water-saving technology, reduce and consume, adopt advanced green technology decreasing pollution thing discharge, walk energy saving and environment friendly development.
Most of floatation glass production line of China is fuel with heavy oil, the SO in flue gas
2and discharged nitrous oxides becomes the principal element causing atmosphere pollution.Float glass factory environmental protection standard is to glass works's discharged nitrous oxides and SO
2discharge has had clear and definite restriction.Therefore, development of new efficient denitration desulphurization energy-saving environment protection technology is one of following important tackling key problem field of China glass industry.
For the policy of the theory and cleaner production of implementing recycling economy and energy-conserving and environment-protective, this patent for China 500t/d and above float glass furnace, the development intelligent oxygen-enriched combusting of float glass furnace and desulfurization and denitrification integral technology.
In sum, float glass furnace nitrogen oxide and SO
2discharge more, the float glass desulphurization denitration Practical Project put into operation at present is less, although have comparatively ripe desulfurization and denitration technology in the industry such as electric power, cement, but the actual operating mode of glass furnace has with it larger difference.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of float glass furnace oxygen-enriched burning device, to put into operation oxygen-enriched combusting project early stage, can improve the quality of glass product on the one hand at glass furnace; The heat content that toxic emission is taken away can be reduced on the one hand, and then realize energy-saving effect; The discharge capacity of NOx in the fuel combustion process such as heavy oil or natural gas can also be reduced, reduce later stage denitrating flue gas operating cost.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of float glass furnace oxygen-enriched burning device, is connected with oxygen delivery system and fuel system respectively, comprises:
One oxygen-enriched burner, described oxygen-enriched burner comprises a multilayer sleeve structure, and the central tube of described multilayer sleeve structure is oxygen channel, is surrounded on the cooling-water duct of described oxygen channel, and described cooling-water duct is provided with cooling water import and export flange;
One is arranged at the heavy oil/natural gas uniform device on multilayer sleeve structure,
One head being positioned at described multilayer sleeve structure end, described head is single hole injecting type structure.
In a preferred embodiment of the invention, described multilayer sleeve structure is provided with mixing chamber near head place, and oxygen and heavy oil/natural gas fully mix by described mixing chamber.
In a preferred embodiment of the invention, described head adopts space flight high-temperature alloy.
In a preferred embodiment of the invention, described cooling water import and export flange is all connected with band pressure (hydraulic) water cooling system.
In a preferred embodiment of the invention, described oxygen delivery system conveying pure oxygen.
By technique scheme, the invention has the beneficial effects as follows:
The present invention has a good application prospect, and under the situation that environmental requirement improves day by day, the development of this process system and application have good economic and social benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
With reference to Fig. 1, a kind of float glass furnace oxygen-enriched burning device, be connected with oxygen delivery system and fuel system respectively, comprise: an oxygen-enriched burner 100, described oxygen-enriched burner comprises a multilayer sleeve structure 110, and the central tube of described multilayer sleeve structure is oxygen channel 120, is surrounded on the cooling-water duct 130 of described oxygen channel, described cooling-water duct is provided with cooling water import and export flange 131,132; One is arranged at the heavy oil/natural gas uniform device 140 on multilayer sleeve structure, and uniform device plays flow and the speed of uniform fuel.One head 150 being positioned at described multilayer sleeve structure end, described head is single hole injecting type structure.
Further, described multilayer sleeve structure is provided with mixing chamber near head place, and oxygen and heavy oil/natural gas fully mix by described mixing chamber.
Further, described head adopts space flight high-temperature alloy, and head is the most severe district of working environment of burner, also be the parts of the most rapid wear of whole burner, therefore head adopts space flight high-temperature alloy, can work in high temperature environments for a long time, and keep comparatively high-mechanical property.
Further, described cooling water import and export flange is all connected with band pressure (hydraulic) water cooling system.
By transforming original kiln combustion system, adopting oxygen-enriched combustion technology, reducing glass furnace pollutant (as NO
x) generate, significantly promote glass quality, reduce boiler exhaust gas loss simultaneously, improve efficiency of energy utilization.When kiln gas enters regenerator by melting chamber, flue-gas temperature is about 700 ~ 800 DEG C, substantially SNCR temperature window (>850 DEG C) is reached, at regenerator top, spray into a certain amount of ammoniacal liquor by denitration spray gun, realize denitrating flue gas (about 15% denitration efficiency) to a certain degree;
Traditional air-breathing, only used the oxygen introducing 21% in air capacity, enters in air after all the other gases of 79% are heated, though heat is through recycling, still having a large amount of heats to be wasted.The nitrogen of about 79% at high temperature reacts with oxygen and generates harmful NO in addition
xenter air and cause air pollution.
Pure oxygen burning changes combustion air into oxygen, decreases the gas delivery volume of more than 78%, decreases the discharge amount of exhaust gas of about 60%, and the benefit brought is: reduce exhaust heat recovery apparatus investment; Reduce noxious gas processing device investment; Reduce high altitude discharge equipment investment; Minimizing the said equipment maintenance cost and device damage are to producing the impact brought; Reduce Fuel Consumption; Improve output, improve quality; Significantly reduce noxious gas emission.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a float glass furnace oxygen-enriched burning device, is connected with oxygen delivery system and fuel system respectively, it is characterized in that, comprising:
One oxygen-enriched burner, described oxygen-enriched burner comprises a multilayer sleeve structure, and the central tube of described multilayer sleeve structure is oxygen channel, is surrounded on the cooling-water duct of described oxygen channel, and described cooling-water duct is provided with cooling water import and export flange;
One is arranged at the heavy oil/natural gas uniform device on multilayer sleeve structure,
One head being positioned at described multilayer sleeve structure end, described head is single hole injecting type structure.
2. a kind of float glass furnace oxygen-enriched burning device according to claim 1, is characterized in that: described multilayer sleeve structure is provided with mixing chamber near head place, and oxygen and heavy oil/natural gas fully mix by described mixing chamber.
3. a kind of float glass furnace oxygen-enriched burning device according to claim 1, is characterized in that: described head adopts space flight high-temperature alloy.
4. a kind of float glass furnace oxygen-enriched burning device according to claim 1, is characterized in that: described cooling water import and export flange is all connected with band pressure (hydraulic) water cooling system.
5. a kind of float glass furnace oxygen-enriched burning device according to claim 1, is characterized in that: described oxygen delivery system conveying pure oxygen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510823691.XA CN105351932B (en) | 2015-11-24 | 2015-11-24 | A kind of float glass furnace oxygen-enriched burning device |
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| CN201510823691.XA CN105351932B (en) | 2015-11-24 | 2015-11-24 | A kind of float glass furnace oxygen-enriched burning device |
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| CN105351932A true CN105351932A (en) | 2016-02-24 |
| CN105351932B CN105351932B (en) | 2018-05-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247374A (en) * | 2016-09-26 | 2016-12-21 | 天津雾净环保科技有限公司 | A kind of cement revolving tubular kiln low indole coal combustion systems |
| CN112920856A (en) * | 2019-12-06 | 2021-06-08 | 西安航天源动力工程有限公司 | Coal gasification to produce lean CH4Method and system for coal gas and naphtha co-production and system for coal gasification ammonia synthesis and naphtha co-production |
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| DE3319570A1 (en) * | 1982-06-28 | 1984-01-05 | VEB Spezialglaswerk "Einheit" Weißwasser, DDR 7580 Weißwasser | Gas burner, especially natural gas burner for glass melting plants |
| CN1125831A (en) * | 1994-12-31 | 1996-07-03 | 日本酸素株式会社 | Liquid fuel burner |
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Patent Citations (6)
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| DE3319570A1 (en) * | 1982-06-28 | 1984-01-05 | VEB Spezialglaswerk "Einheit" Weißwasser, DDR 7580 Weißwasser | Gas burner, especially natural gas burner for glass melting plants |
| CN1125831A (en) * | 1994-12-31 | 1996-07-03 | 日本酸素株式会社 | Liquid fuel burner |
| CN2338618Y (en) * | 1998-08-09 | 1999-09-15 | 重庆钢铁设计研究院 | Blast furnace gas burner nozzle |
| CN101880122A (en) * | 2010-03-16 | 2010-11-10 | 武汉长利玻璃有限责任公司 | Side burning device structure of float glass smelting kiln |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247374A (en) * | 2016-09-26 | 2016-12-21 | 天津雾净环保科技有限公司 | A kind of cement revolving tubular kiln low indole coal combustion systems |
| CN112920856A (en) * | 2019-12-06 | 2021-06-08 | 西安航天源动力工程有限公司 | Coal gasification to produce lean CH4Method and system for coal gas and naphtha co-production and system for coal gasification ammonia synthesis and naphtha co-production |
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| CN105351932B (en) | 2018-05-11 |
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