CN206051832U - A kind of preheating device for improving combustion-supporting air temperature - Google Patents
A kind of preheating device for improving combustion-supporting air temperature Download PDFInfo
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- CN206051832U CN206051832U CN201620960394.XU CN201620960394U CN206051832U CN 206051832 U CN206051832 U CN 206051832U CN 201620960394 U CN201620960394 U CN 201620960394U CN 206051832 U CN206051832 U CN 206051832U
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- Prior art keywords
- pool wall
- preheating device
- air duct
- combustion
- wind
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Abstract
The utility model discloses a kind of preheating device for improving combustion-supporting air temperature, including transmission air duct, the regenerator being connected with the wind outlet of transmission air duct, the pool wall cooling blower fan that air is sucked from the wind entrance of transmission air duct, the pool wall cooling blower fan are arranged on transmission air duct.Preheating device of the present utility model will cool down the used heat in wind and collect after heat exchange, for improving combustion-supporting air temperature, combustion-supporting air temperature is raised, and fuel combustion can be made more complete, more abundant, so as to improve heat transfer efficiency of the flame to vitreous humour, efficiency of energy utilization is improved.
Description
Technical field
This utility model is related to utilizing waste heat of glass furnace and utilizes technical field, more particularly to a kind of to be cooled down using glass melter
Wind is improving the preheating device of combustion-supporting air temperature.
Background technology
China has become the first big country of world's plate glass production, and up to the present, the whole nation has 400 a plurality of float glass process glass
Glass production line, wherein the floatation glass production line being currently running has 243, plate glass yield occupies complete for continuous more than 20 years
Ball first, and wherein quite a few product has been enter into international market.It is national that plate glass and its processing glass have become China
Economic development and indispensable important materials of uplifting the people's living standard.
《State Council is with regard to accelerating to cultivate the decision with development strategy new industry》It is bright in (promulgated by the State Council (2010) 32)
" energy-conserving and environment-protective industry ", " high-end equipment manufacturing industry " and " new material industry " is really listed in the weight of emerging strategic industries development
Point direction, in " energy-conserving and environment-protective industry ", proposes：" focus development promotes integrated energy saving technology equipment and product, realizes that emphasis is led
Domain key technology breaks through, and drives the raising of efficiency integral level.
The features such as glass industry has that high energy consumption, resource consumption are big, there is a certain degree of pollution, the energy-conservation of glass melter
The problem that people pay special attention to is always with environmental protection.At present, the glass observable index foreign level of China is high, industrially developed country's glass
Typically 30%～40%, the thermal efficiency of China's glass melter averagely only has 25%～35% to the thermal efficiency of glass melting furnaces.It is molten with day
As a example by changing 500 tonnes of float lines, the vitreous humour unit consumption (7～8MJ/Kg vitreous humours) of China's melting furnaces compares Foreign Advanced Lerel
(5.8MJ/Kg vitreous humours) is higher by 30%.
During fusing glass, as the temperature of vitreous humour is high, time length can accelerate molten to glass to glass melter
The erosive velocity of the pool wall 2 of kiln, the most fast pool wall position of erosive velocity is at the metal line 1 of vitreous humour, as shown in Figure 1.In order to
Erosive velocity of the vitreous humour to pool wall is reduced, blowing cooling wind 3 in the position of glass line 1 using pool wall cooling blower fan 5 is carried out
Cooling (as shown in Figure 1).However, cooling wind is to pool wall position, although reduce the temperature of pool wall, but cool down wind and pool wall
After heat exchange, temperature rises to more than 200 DEG C, becomes hot blast 4, at present the not low 4 direct emission treatment of hot blast of this portion temperature, this
Sample had both been unfavorable for the energy-conservation of glass melter, and brought burden to environment, can also increase thermic load when operator works.
In order to fundamentally reverse, the glass industries mode of production is extensive, seriously superfluous, economic development is of low quality for production capacity
Situation, needs a kind of resource-conserving, environmentally friendly device, and the device can be by the cooling wind (i.e. hot blast 4) after heat exchange
Heat fully utilize.
Utility model content
The purpose of this utility model is for technological deficiency present in prior art, there is provided a kind of to utilize and glass melter
Cooling wind after heat exchange improves the preheating device of combustion-supporting air temperature, including transmission air duct, is connected with the wind outlet of transmission air duct
Regenerator, the pool wall cooling blower fan that air is sucked from the wind entrance of transmission air duct, the pool wall cooling blower fan are arranged on transmission
On air duct.
Pool wall of the wind entrance of the transmission air duct towards glass melter.
The wind entrance of the transmission air duct is directed at the metal level line position of pool wall.
The wind entrance of the transmission air duct is away from pool wall 3-8mm.
Cool air inlet of the wind outlet of the transmission air duct towards regenerator.
The pool wall cooling blower fan is resistance to 300 DEG C of high temperature above blower fans.
Breastwork and big arch are provided with above the glass melter, relative closed space are surrounded jointly with pool wall.
Breastwork and big arch are provided with above the glass melter, relative closed space are surrounded jointly with pool wall.
Breastwork and big arch are provided with above the glass melter, relative closed space are surrounded jointly with pool wall.
Compared with prior art, the beneficial effects of the utility model are：
1. preheating device of the present utility model will cool down the used heat in wind and collect after heat exchange, for improving combustion-supporting pathogenic wind-warm
Degree, combustion-supporting air temperature are raised, and can make fuel combustion more completely, more fully, so as to improve heat transfer efficiency of the flame to vitreous humour,
Improve efficiency of energy utilization；
2. using the cooling wind preheated-combustion-supporting wind after heat exchange, the combustion air consumption of such room temperature is reduced, and reduces combustion air
The load of machine, while reducing the temperature difference between room temperature combustion air and regenerator lattice brick, reduces thermal shock between the two,
Be conducive to extending the life-span of regenerator lattice brick；
3. as the used heat for cooling down wind after heat exchange is utilized, the temperature of glass melter space outerpace can decline, and be conducive to
The operation of glass melter live operator, alleviates thermic load when operator works near the melting furnaces；
4. the use of the preheating device can substantially reduce the energy consumption of China's glass melter, improve the comprehensive profit of China's energy
With rate, the gap with foreign level is drawn in.
Description of the drawings
Fig. 1 show the use state schematic diagram of glass furnace pool wall cooling wind in prior art；
Fig. 2 show the structural representation of this utility model preheating device.
Specific embodiment
At present, the position of the pool wall interior contact glass line of glass melter, temperature can reach 1500 DEG C, pool wall
In the presence of vitreous humour and high-temp combustion flue gas, it is easy to be etched and cause to peel off, so as to reduce the service life of melting furnaces,
It is that cooling wind is blown to the position of the glass line of pool wall by pool wall cooling blower fan outside pool wall in prior art, reduces pond
The temperature of wall, slows down the speed that pool wall is etched, and extends the service life of glass melter.
However, outside pool wall with atmosphere position temperature more than 400 DEG C, the air of surrounding and cooling wind can be added
Heat to more than 200 DEG C becomes hot blast or claims high warm air, if in the way of current, heated cooling wind is directly discharged, meeting
Cause great energy waste.
Therefore, the cooling wind (i.e. high warm air) after this utility model will be heated by pool wall by pool wall cooling blower fan is drawn into
In transmission air duct, then high warm air is sent in regenerator, preheated-combustion-supporting wind, to improve combustion-supporting air temperature, combustion air is through high
After warm air preheating, temperature is raised, and makes fuel burn more completely, more fully, so as to improve heat transfer efficiency of the flame to vitreous humour,
Be conducive to energy-saving and emission-reduction.
Below in conjunction with specific embodiment, content of the present utility model is further illustrated, and this utility model is made into one
Step is illustrated, but these embodiments are limited to this utility model absolutely not.
The preheating device of the combustion-supporting air temperature of raising that this utility model is provided, as shown in Fig. 2 including transmission air duct 3, pool wall
Cooling blower 5 and regenerator.Wherein, the wind entrance for transmitting air duct 3 is directed at 1 position of glass line of pool wall 2, wind outlet and storage
The bottom connection in hot cell, the just cool air inlet 9 to regenerator bottom；A pool wall cooling blower fan 5 is set on transmission air duct 3, is used for
The air 4 (i.e. high warm air) heated by pool wall 2 is siphoned away, and the air 4 of heating is sent to into regenerator by transmitting in air duct 3, made
A part for combustion air plays a part of to fuel combustion supporting；Pool wall cooling blower fan 5 is preferably disposed in the middle part of transmission air duct 3 or leans on
The position of nearly wind entrance.Pool wall cooling blower fan 5 selects resisting blower, meets the demand that long-time works more than 300 DEG C.
Regenerator is existing equipment, is made up of the regenerator crown 13 of body of wall 10 and arch, and body of wall 10 is built into by checker brick 11,
Lower space is formed, checker brick 11 are the heat transfer parts of regenerator, checker directly affects the accumulation of heat efficiency of regenerator, checker
There is space in building process, then heat can be passed to what cool air inlet 9 was come in by heat absorption in high warm air again
Air.Regenerator crown 13 is built by laying bricks or stones by silica brick and is formed, and forms upper space 12.The air that regenerator is entered from cool air inlet 9 exists
When more than 1000 DEG C are preheated in lower space, upper space 12 is risen to.It is logical that upper space 12 is provided with preheated air outlet
Cross port 8 to communicate with glass melter, preheated air port 8 in carries out mixed combining combustion, port 8 with fuel as combustion-supporting gas
Ensure that flame has certain length, brightness, rigidity and angle, there are enough port coverages, to meet glass melter
The requirement of interior temperature required and atmosphere.
In order that the heat produced during fuel combustion is focused on vitreous humour, 3 He of breastwork can be used above glass melter
Big arch 4 surrounds a relatively closed space, and the flame export of port 8 is injected on vitreous humour through breastwork, by fuel combustion
The heat transfer of generation to vitreous humour, for by glass melting into vitreous humour.
Using above-mentioned preheating device, the utility model proposes the method for improving combustion-supporting air temperature：By pool wall cooling wind
Heated air around pool wall is siphoned away by machine, and surrounding normal temperature air is continuously replenished at pool wall, takes away the heat of pool wall；Again will
The air for taking away pool wall heat is conveyed to regenerator, preheats the combustion air in regenerator, it is preheated after combustion air connect with fuel
When tactile, the heat that fuel combustion is produced less is used for heating combustion air, more for melting vitreous humour, so as to reduce glass
The energy consumption of glass melting furnaces.
The preheating device of the combustion-supporting air temperature of raising that this utility model is provided, can by the temperature of combustion air improve 30 DEG C with
On, the combustion air after preheating is mixed with fuel and is burnt, and the heat of generation is supplied to glass melter, for glass is melted
Chemical conversion vitreous humour.Due to needing combustion-supporting medium during fuel combustion, current most combustion-supporting medium is preheated through regenerator
The air crossed, and 21% be oxygen in air, combustion-supporting effect can be played, 78% is nitrogen, does not have combustion-supporting effect, in advance
Combustion-supporting air temperature after heat is higher, and combustion-supporting effect is better, can accelerate the melting process of glass, shortens melting time, it is possible to increase
Productivity ratio, makes glass melter that the energy consumption of 25-40kcal is reduced per kg vitreous humours；It is used for the heat and nitrogen row of heated nitrogen simultaneously
The heat taken away when putting is fewer, and glass melter gets over energy-conservation, in addition with the operation beneficial to glass melter live operator, mitigates
Operator thermic load operationally, realizes clean manufacturing.
Float glass smelting kiln to a 500t/d, using the preheating device for improving combustion-supporting air temperature of the present utility model,
Can reducing energy consumption 25-40kcal/kg vitreous humour, calculate according to energy-conservation 30kcal/kg vitreous humour, it is contemplated that annual to be capable of achieving to save
900 tons of standard coal.In the float glass line of 240 operations in the whole nation, raising combustion air of the present utility model is adopted by 50% production line
The preheating device of temperature, is often only standard coal and can just save 230,000 tons, produces 1.1 hundred million yuan of economic benefit, is the section of glass industry
Can reduce discharging and make positive, prominent contribution.
Compared with prior art, this utility model is inhaled heated air around pool wall by pool wall cooling blower fan
Walk, surrounding normal temperature air is continuously replenished at pool wall, take away the heat of pool wall；And prior art is incited somebody to action by pool wall cooling blower fan
Normal temperature air is blown on the outside of tank block, and the air for having taken away pool wall heat is directly discharged, to environmentally undesirable, again so that in air
Heat waste.The air for taking away pool wall heat is conveyed to regenerator by this utility model, is preheated combustion-supporting in regenerator
Wind, it is preheated after combustion air further combustion-supporting fuel when, make the heat that fuel combustion is produced more be used for melting vitreous humour,
Rather than combustion air is heated, so as to reduce the energy consumption of glass melter.
As the pool wall external temperature of glass melter is more than 400 DEG C, can by heated with ambient air to more than 200 DEG C,
Heated air around pool wall of this utility model by combustion fan by glass melter is drawn in transmission air duct, is formed
High warm air, further sends into high warm air equipped with regenerator, on the one hand can utilize the heat preheated-combustion-supporting wind of high warm air；Separately
On the one hand, the air flow outside pool wall is got up, and can take away the heat outside pool wall, cools down pool wall, reduces pool wall and is etched
Speed；The third aspect, through the combustion air for preheating, can reduce the fusing energy consumption of glass melter, so as to realize improving the energy
Comprehensive utilization ratio.Therefore the preheating device market potential and application prospect for improving combustion-supporting air temperature of the present utility model is big, has
Benefit popularization and application.
The above is only preferred implementation of the present utility model, it is noted that general for the art
For logical technical staff, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as content of the present utility model.
Claims (9)
1. a kind of preheating device for improving combustion-supporting air temperature, it is characterised in that including transmission air duct, the wind outlet with transmission air duct
Connected regenerator, the pool wall cooling blower fan that air is sucked from the wind entrance of transmission air duct, the pool wall cooling blower fan are arranged
On transmission air duct.
2. preheating device according to claim 1, it is characterised in that the wind entrance of the transmission air duct is towards glass melter
Pool wall.
3. preheating device according to claim 2, it is characterised in that the wind entrance of the transmission air duct is directed at the glass of pool wall
Liquid level line position.
4. preheating device according to claim 3, it is characterised in that the wind entrance of the transmission air duct is away from pool wall 3-8mm.
5. according to the arbitrary preheating device of claim 2-4, it is characterised in that the wind of the transmission air duct is exported towards accumulation of heat
The cool air inlet of room.
6. preheating device according to claim 5, it is characterised in that the pool wall cooling blower fan is resistance to 300 DEG C of high temperature above
Blower fan.
7. according to the arbitrary preheating device of claim 2-4, it is characterised in that breastwork and big is provided with above the glass melter
Arch, surrounds relative closed space jointly with pool wall.
8. preheating device according to claim 5, it is characterised in that breastwork and big arch are provided with above the glass melter, with
Pool wall surrounds relatively closed space jointly.
9. preheating device according to claim 6, it is characterised in that breastwork and big arch are provided with above the glass melter, with
Pool wall surrounds relatively closed space jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960394.XU CN206051832U (en) | 2016-08-26 | 2016-08-26 | A kind of preheating device for improving combustion-supporting air temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960394.XU CN206051832U (en) | 2016-08-26 | 2016-08-26 | A kind of preheating device for improving combustion-supporting air temperature |
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| Publication Number | Publication Date |
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| CN206051832U true CN206051832U (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186641A (en) * | 2016-08-26 | 2016-12-07 | 秦皇岛玻璃工业研究设计院 | A kind of preheating device improving combustion air temperature and method |
-
2016
- 2016-08-26 CN CN201620960394.XU patent/CN206051832U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186641A (en) * | 2016-08-26 | 2016-12-07 | 秦皇岛玻璃工业研究设计院 | A kind of preheating device improving combustion air temperature and method |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 91 Patentee after: Qinhuangdao glass industry research and Design Institute Co., Ltd. Address before: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 91 Patentee before: Qinhuangdao Glass Industry Research and Design Inst. |