CN202988955U - Heat preservation device of glass tank furnace - Google Patents

Heat preservation device of glass tank furnace Download PDF

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Publication number
CN202988955U
CN202988955U CN 201220581193 CN201220581193U CN202988955U CN 202988955 U CN202988955 U CN 202988955U CN 201220581193 CN201220581193 CN 201220581193 CN 201220581193 U CN201220581193 U CN 201220581193U CN 202988955 U CN202988955 U CN 202988955U
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China
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layer
aerogel
insulation blanket
attemperator
heat
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徐俊伟
陈精明
敖文亮
马国庆
林国东
于宁宁
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CHANGZHOU XUNTIAN ENERGY SAVING SCIENCE & TECHNOLOGY Co Ltd
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CHANGZHOU XUNTIAN ENERGY SAVING SCIENCE & TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a heat preservation device of a glass tank furnace. The heat preservation device of the glass tank furnace comprises a heat insulation composite layer, a heat preservation composite layer, a reflecting layer and a fixing part, wherein the heat insulation composite layer, the heat preservation composite layer, the reflecting layer and the fixed part are arranged in sequence from inside to outside. The heat insulation composite layer is mainly composed of an aluminum silicate fiber blanket layer and a first aerogel heat preservation blanket layer, wherein the aluminum silicate fiber blanket layer and the first aerogel heat preservation blanket layer are laid and covered on outer lateral sides of all portions, provided with heat preservation layers, of the glass tank furnace in sequence from inside to outside. The heat preservation composite layer is composed of a glass fiber mat layer or a rock wool layer and an aerogel heat preservation blanket layer. The reflecting layer is an aluminum plate or galvanized sheet iron. The fixing part is arranged outside the reflecting layer to enable the heat insulation composite layer, the heat preservation composite layer and the reflecting layer to be tightly compressed on the outer lateral sides of the heat preservation layers of the glass tank furnace. The heat preservation device of the glass tank furnace is used on the outer sides of the heat preservation layers of the traditional float glass tank furnace, enables heat dissipating capacity of the heat preservation layers of the original glass tank furnace to be reduced greatly, and has an obvious secondary heat preservation effect on the glass tank furnace.

Description

A kind of attemperator of cell furnace
Technical field
The utility model relates to a kind of attemperator of cell furnace, is specifically related to a kind of attemperator of float glass tank furnace.
Background technology
Glass in this article refers to the unorganic glass that main component is silicon-dioxide.Glass industry is the industry that is closely related with building energy conservation, belongs to typical resource, energy consumption type industry.China's sheet glass year energy-output ratio is 1,000,000 tons of mark coals approximately, and fuel consumption accounts for more than 80% of glass enterprise energy consumption; Average quantity used in unit volume blasted is 7800 kJ/kg glass metals (1866 kcal/kg glass metals), and is higher by 20% than international average level, higher more than 30% than international most advanced level.
Constantly soaring due to energy prices in recent years, fuel cost has had a strong impact on the economic benefit of glass enterprise, and the cost of energy that increases gradually requires glass furnace to have more effective thermal insulation structure.
be accompanied by China's expanding economy, float glass process also obtains fast development, by the end of the end of the year 2011, China builds more than 300 floatation glass production line, float glass tank furnace wherein (also claims float glass furnace, referred to as cell furnace or glass furnace, herein also referred to as tank furnace) be main energy consumption equipment, described cell furnace is mainly by the glass smelting part, the thermal source supply portion, waste heat recovery part and this four major part of smoke evacuation air feed part form, and the glass smelting part comprises the part that feeds intake, melting end, separation device, cooling end and forming part.Melting end also claims the molten bath in this article, and its top is flame space, and the bottom is the kiln pond; Forming part is molten tin bath.The thermal source supply portion comprises the port of the melting end both sides that are arranged on glass smelting part, and the port of every side has several.The thermal source supply portion provides heat by port to melting end.Waste heat recovery partly comprises regenerator, and regenerator also is divided into both sides, and the top of the regenerator of every side is connected with the port of a corresponding side, and the bottom is connected by the branch flue of its checker by corresponding flashboard and a corresponding side.The smoke evacuation gas supply part divides and comprises flue, commutating device and smokestack, flue comprises main flue and is positioned at the branch flue of both sides, the branch flue of every side is connected with main flue, and main flue is connected with smokestack, and the commutation parts of commutating device are arranged on the branch flue of every side.
The principle of regenerator waste heat recovery is to utilize waste gas and air alternately by the checker in it, thereby makes air obtain the heat of checker that waste gas is passed to.That is to say by the operation to commutation equipment, make the regenerator of a side as the heat recipient passage by flue gas within for some time, the regenerator of opposite side is as the preheating channel by air and coal gas.Under the effect of the draft that smokestack produces, flue gas is drawn into the port as regenerator one side of heat recipient passage, enter again with regenerator that port is connected in and release of heat to checker, then through branch flue, to main flue, to smokestack, at last from smokestack discharged to atmosphere.Meanwhile, coal gas and air enter regenerator as preheating channel by the branch flue of opposite side, absorb the heat of checker wherein and preheating, then burn in port enters cell furnace.So flue is discharge flue, it is again air intake passage.In the next time period, above-mentioned commutating device is carried out reverse operating, make regenerator as heat recipient passage in this time period as preheating channel, and make regenerator as preheating channel in this time period as heat recipient passage.
the heat that the fuel that cell furnace consumes in process of production produces is divided into three parts, and first part is used for effective glass reaction heat and is taken away by glass, second section is taken away by flue gas, generally supplies cogeneration, third part is dissipated with radiating mode, specifically comprise heat at reinforced aperture and spy hole with convection current and the formed heat radiation of radiation mode, dilatation joint at the tank furnace top is sentenced convection current and the formed heat radiation of radiation mode, at tank furnace outer wall (outside that is exposed to airborne side and Chi Ding of side wall is referred to as the outer wall of tank furnace) with the formed heat radiation of the mode of radiation, on the outer heel post surface of passive steel construction with the formed heat radiation of thermal-radiating mode, and the part that is positioned at port bottom of steel construction is with the formed heat radiation in space downwards of thermal-radiating mode etc.In order to reduce the thermal losses of third part, prior art arranges thermal insulation layer usually on the cell furnace outer wall, and the steel column in above-mentioned heat radiation situation, the port bottom waits all steel construction partly for the position of thermal insulation layer can not be set, and at the dilatation joint place at Yao Chi top, thermal insulation layer can not be set.After thermal insulation layer was set, the temperature of tank furnace outer wall had had decline by a relatively large margin, made the power consumption of three parts all account for 1/3rd left and right.
In the traditional structure of float glass tank furnace, the arch of cell furnace top (being also Chi Ding) is made of high-quality silica brick, light silicious brick and thermal insulation layer successively according to order from inside to outside; The melting end breastwork is made of Corhart Zac-block, low pore clay brick and thermal insulation layer successively according to order from inside to outside; The regenerator body of wall is according to from inside to outside order, and superstructure is made of 98%MgO magnesia brick, light weeight alumina brick and thermal insulation layer successively, the middle level structure is pressed against brick, light weeight alumina brick and thermal insulation layer by magnesium successively and is consisted of, and understructure is made of low pore clay brick, light weight fireclay brick and thermal insulation layer successively.
The material of each above-mentioned thermal insulation layer is silica heat-insulating material, these silica heat-insulating materials are smeared certain thickness on the tank furnace outer wall with the form of mould material, for the thermal insulation layer on sidewall also by being reinforced from the outside to the reinforcing steel bar that arranges along level between the adjacent upright posts that is connected to steel construction.But the performance of above-mentioned silica heat-insulating material is with the prolongation of duration of service, and heat-insulating property descends also comparatively serious, and for example the hull-skin temperature of new kiln design is 130 ℃ of left and right, but after using half a year, hull-skin temperature will rise to 160~200 ℃.
Chinese patent literature CN 1138711C(application number 00111011.X) a kind of full-enclosed insculating method for wall of float glass furnace is disclosed, it is that one deck zirconium material slip coating is set outside the float glass furnace tank block, then outside zirconium material slip coating, the continous way thermal insulation layer is set, the kiln pool wall is formed the method for Totally enclosed heat-preserving.Described continous way thermal insulation layer is followed successively by light weight fireclay brick, asbestos powder and fixation steel plate.This totally enclosed heat preserving method can reduce scattering and disappearing of the position heat such as gap, but the thermal conductivity of the material that its thermal insulation layer adopts is still higher, therefore the heat radiation of kiln is still very serious.
In recent years, scientist has invented the super insulating material based on new adiabatic principle, and its thermal conductivity is significantly less than air.Super insulating material has two kinds at present: vacuum heat insulation materials and aerogel material.Vacuum heat insulation materials be because must work under extremely low vacuum pressure, and vacuum diaphragm can not bear high temperature, and use is restricted.Aerogel material has its special nanometer porous structure, broken through conventional insulation material from adiabatic principle, take at present most widely used aerosil as example, aerosil is comprised of the three-dimensional net structure material that comprises a large amount of nano levels holes, the diameter of its skeleton structure is several nanometers, and main component is silicon-dioxide, contains the hole of 20 a large amount of~50nm, wherein volume of air accounts for more than 90%, is the solid material that density is minimum in the world, thermal conductivity is minimum at present; These characteristics determined aerogel new way of realization is being arranged stoping aspect hot transmission: (major part is 20~50nm) less than air molecule free path (70nm), has greatly weakened air molecule generation thermalizing collision and the thermal conduction that forms in the aperture of the nano level hole of (1) aerogel.(2) air in the nano level hole can not unrestricted flow, has eliminated the inner air transmission of heat by convection.(3) be air up to the composition more than 80%, solids component is few, and skeleton is fine, and heat conduction path is elongated, thereby greatly reduces the solid thermal conduction velocity.(4) inside exists a large amount of gas-solid interfaces to have the counter radiation effect, adds when making to have added special opalizer, has greatly intercepted thermal radiation.
The utility model content
The purpose of this utility model is to provide the attemperator of the cell furnace that in a kind of the use, heat insulation effect is better, grow work-ing life that make original thermal insulation layer.
The technical scheme that realizes the utility model purpose is a kind of attemperator of cell furnace, comprises heat insulation composite bed and mounting block; Heat insulation composite bed mainly is comprised of alumina silicate fibre blanket layer and the first aerogel insulation blanket layer; Alumina silicate fibre blanket layer and the first aerogel insulation blanket layer are laid on the outer side at position that all that cover cell furnace arrange thermal insulation layer successively according to order from inside to outside; Mounting block is arranged on outside the first aerogel insulation blanket layer, makes that heat insulation composite bed is compacted, compacting is on the outer side of the thermal insulation layer of cell furnace; Described thermal insulation layer is the silica heat-insulating material layer that is arranged on the outer wall of cell furnace.
As preferably, the attemperator of above-mentioned cell furnace also comprises the reflecting layer, the reflecting layer is arranged between heat insulation composite bed and mounting block, be also on the outer side of reflecting layer the first aerogel insulation blanket layer of covering heat insulation composite bed, mounting block is arranged on outside the reflecting layer, make reflecting layer and heat insulation composite bed from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer of cell furnace; Described reflecting layer is aluminium sheet or galvanized sheet iron.
As preferably, the attemperator of cell furnace comprises heat insulation composite bed, insulating composite layer and mounting block; Insulating composite layer is arranged between heat insulation composite bed and mounting block, be also on the outer side of insulating composite layer the first aerogel insulation blanket layer of covering heat insulation composite bed, mounting block is arranged on outside insulating composite layer, make insulating composite layer and heat insulation composite bed from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer of cell furnace; Described insulating composite layer is comprised of glass fibre carpet veneer or rock wool layer and aerogel insulation blanket layer, and aerogel insulation blanket layer is laid on the outer side of glass fibre carpet veneer or rock wool layer.
Above-mentioned insulating composite layer comprises single insulating composite layer, two insulating composite layer and triple composite heat-insulating layer; Described single insulating composite layer is set gradually and consists of according to from inside to outside order by the first glass fibre carpet veneer and the second aerogel insulation blanket layer; Two insulating composite layers are set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer, the second aerogel insulation blanket layer, the second glass fibre carpet veneer and the 3rd aerogel insulation blanket layer; Triple composite heat-insulating layers are set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer, the second aerogel insulation blanket layer, the second glass fibre carpet veneer, the 3rd aerogel insulation blanket layer, the 3rd glass fibre carpet veneer and the 4th aerogel insulation blanket layer.
The attemperator of above-mentioned cell furnace also comprises the reflecting layer, the reflecting layer is arranged between insulating composite layer and mounting block, be also on the outer side of the reflecting layer outermost aerogel insulation blanket layer that covers insulating composite layer, mounting block is arranged on outside the reflecting layer, make reflecting layer, insulating composite layer and heat insulation composite bed from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer of cell furnace; Described reflecting layer is aluminium sheet or galvanized sheet iron.
Described thermal insulation layer comprises that temperature that the appearance temperature is the middle warm area thermal insulation layer of 70 ℃~90 ℃ and appearance greater than high-temperature zone thermal insulation layer, the appearance temperature of 90 ℃ is the cold zone thermal insulation layer of 50 ℃~70 ℃; The attemperator that is positioned at thermal insulation layer place, high-temperature zone of cell furnace is the high-temperature zone attemperator, and the attemperator that is arranged in warm area thermal insulation layer place is the warm area attemperator, and the attemperator that is positioned at cold zone thermal insulation layer place is the cold zone attemperator; When the appearance temperature of described thermal insulation layer referred to the cell furnace operation, its thermal insulation layer was exposed to the temperature of airborne appearance.
The high-temperature zone attemperator comprises heat insulation composite bed, insulating composite layer and mounting block, be also on the outer side of insulating composite layer the first aerogel insulation blanket layer of covering heat insulation composite bed, mounting block is arranged on outside insulating composite layer, make insulating composite layer and heat insulation composite bed from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer of cell furnace.
The aerogel insulation blanket of the first aerogel insulation blanket layer of the heat insulation composite bed of high-temperature zone attemperator is high temperature modification aerogel insulation blanket; Insulating composite layer is two insulating composite layers or triple composite heat-insulating layer, the aerogel insulation blanket of the aerogel insulation blanket layer of the inboard of two insulating composite layers or triple composite heat-insulating layers is high temperature modification aerogel insulation blanket, and the aerogel insulation blanket of outermost aerogel insulation blanket layer is middle warm type aerogel insulation blanket.
When the insulating composite layer of high-temperature zone attemperator was two insulating composite layer, this pair insulating composite layer was set gradually and consists of according to from inside to outside order by the first glass fibre carpet veneer, the second aerogel insulation blanket layer, the second glass fibre carpet veneer and the 3rd aerogel insulation blanket layer; The second aerogel insulation blanket layer wherein is inboard aerogel insulation blanket layer, and the 3rd aerogel insulation blanket layer is outermost aerogel insulation blanket layer.
When the insulating composite layer of high-temperature zone attemperator was triple composite heat-insulating layer, these triple composite heat-insulating layers were set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer, the second aerogel insulation blanket layer, the second glass fibre carpet veneer, the 3rd aerogel insulation blanket layer, the 3rd glass fibre carpet veneer and the 4th aerogel insulation blanket layer; The second aerogel insulation blanket layer wherein is inboard aerogel insulation blanket layer, the 4th aerogel insulation blanket layer is outermost aerogel insulation blanket layer, and the aerogel insulation blanket of the 3rd aerogel insulation blanket layer is high temperature modification aerogel insulation blanket or middle warm type aerogel insulation blanket.
Middle warm area attemperator comprises heat insulation composite bed, insulating composite layer and mounting block, be also on the outer side of insulating composite layer the first aerogel insulation blanket layer of covering heat insulation composite bed, mounting block is arranged on outside insulating composite layer, make insulating composite layer and heat insulation composite bed from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer of cell furnace.
The aerogel insulation blanket of the first aerogel insulation blanket layer of the heat insulation composite bed of middle warm area attemperator is high temperature modification aerogel insulation blanket; Insulating composite layer is single insulating composite layer, and single insulating composite layer is set gradually and consists of according to from inside to outside order by the first glass fibre carpet veneer and the second aerogel insulation blanket layer; The aerogel insulation blanket of the second aerogel insulation blanket layer of single insulating composite layer is middle warm type aerogel insulation blanket.
The aerogel insulation blanket of the first aerogel insulation blanket layer of the heat insulation composite bed of cold zone attemperator is middle warm type aerogel insulation blanket.
Above-mentioned aerogel insulation blanket thermal conductivity at normal temperatures is 0.012~0.023W/mK; Above-mentioned aerogel insulation blanket is the thermal insulation material that obtains after compound through the heat resistance fiber skeleton such as beta glass fibre by aerogel, aerogel wherein can be aerosil, alumina aerogels, titania aerogel, zirconia aerogels, can be also one or both or three kinds or four kinds of gas mixture gels that aerogel forms in above-mentioned aerogel.
The utlity model has positive effect:
When (1) contriver of the present utility model finds the thermal conductivity normal temperature (take 25 ℃ as standard) of the silica heat-insulating material of the formation thermal insulation layer in prior art all more than 0.05 W/mK, at high temperature thermal conductivity is higher, for example in the time of 500 ℃, its thermal conductivity is greater than 0.2W/mK, and find in practice: even increase the thickness of lagging material, also without obvious effect of heat insulation.Because thermal insulation layer has completely cut off most of heat, those skilled in the art is often when the heat-insulating property of thermal insulation layer descends, the thermal insulation layer that just more renews, perhaps the formula of thermal insulation layer is adjusted, and can not further consider again and cover one deck aerogel insulation blanket layer, even if consider the thickness of the existing lagging material of thickening or the lagging material of the similar material of increase one deck, also will abandon because of DeGrain.The basic structure of attemperator of the present utility model is in the existing thermal insulation layer outside, first lay and cover one deck alumina silicate fibre blanket layer, and then laying covers one deck aerogel insulation blanket layer, it is the thermal insulation material that obtains after compound through heat resistance fiber skeletons such as beta glass fibrees by aerogel due to the aerogel insulation blanket of aerogel insulation blanket layer, thermal conductivity at normal temperatures is only 0.012~0.023W/mK, the amplification of thermal conductivity at high temperature is much smaller than traditional lagging material, for example, in the time of 500 ℃, its thermal conductivity is about 0.045W/mK.This shows, the utility model is used for cell furnace with the aerogel insulation blanket, has played beyond thought effect aspect heat insulation effect.
(2) thermal insulation layer of traditional structure in use for some time, can expand with heat and contract with cold along with the temperature variation of cell furnace, thereby produce certain crack, and the existence in these gaps can cause flowing of air, and affects heat insulation effect.If direct all standing formula is laid the aerogel insulation blanket on the surface of thermal insulation layer, can take away a large amount of heats because of the existence in gap, thereby reduce heat insulation effect.Attemperator of the present utility model arranges certain thickness alumina silicate fibre blanket layer (its thickness is preferably 20 to 30 millimeters), above-mentioned gap can be covered, itself and extraneous space are isolated, and make heat distribution comparatively even, thereby provide prerequisite guaranteed conditions for the insulation effect of performance aerogel insulation blanket.
(3) attemperator of the present utility model is after covering one deck certain thickness aerogel insulation blanket layer (its thickness is preferably 5 to 15 millimeters) is laid in the outside of alumina silicate fibre blanket layer, the thermal insulation layer that makes traditional structure outwards has quite a few isolated by aerogel insulation blanket layer after the conduction of heat through the alumina silicate fibre blanket layer of conduction, greatly reduced to extraradial heat by aerogel insulation blanket layer, make the temperature of alumina silicate fibre blanket layer compare with the temperature of the outside surface of the thermal insulation layer of traditional structure and be greatly improved.Temperature in the regenerator be 1150 ℃ as example, when not adding attemperator of the present utility model, the temperature of its thermal insulation layer outside surface is about 100 ℃ to 120 ℃, after being provided with the attemperator of aerogel insulation blanket layer of individual layer of the present utility model, it is 400 ℃ of left and right that the temperature of this thermal insulation layer outside surface raises, the thermograde of thermal insulation layer greatly reduces, and is more thereby thermal stresses wherein also descends, and the appearance in the crack of thermal insulation layer also greatly reduces thereupon.When two layers of attemperator employings of the present utility model or the more aerogel insulation blanket of number of plies layer, tank furnace internal delivery to the heat of thermal insulation layer can make its temperature further raise, and make the thermal stresses of thermal insulation layer further descend, thereby make the crack basically eliminate of thermal insulation layer.This is another beyond thought technique effect of attemperator of the present utility model.
(4) attemperator of the present utility model is after the reinforcing steel bar that removes between the column that is connected to steel construction, lay successively on the existing thermal insulation layer of cell furnace and cover alumina silicate fibre blanket layer and aerogel insulation blanket layer, and realize after corresponding mounting block is set.Attemperator of the present utility model also increases by 1 to 3 insulating composite layer that is comprised of the gentle gel insulation blanket of glass fibre carpet veneer layer between the first aerogel insulation blanket layer and mounting block according to heat insulation needs.When attemperator of the present utility model is set, can affect cell furnace and normally produce and directly construct on the outer wall of cell furnace.
(5) when attemperator of the present utility model arranges insulating composite layer as required, between adjacent aerogel insulation blanket layer, the layer of glass carpet veneer is set, the heat that the existence of this glass fibre carpet veneer can be transmitted the aerogel insulation blanket layer of internal layer is reflected back in the aerogel insulation blanket layer of internal layer with the form of radiation, thereby improves its inboard temperature and stop the outside conduction of heat.
(6) when attemperator of the present utility model preferably arranges as the aluminum layer in reflecting layer or galvanized iron cortex outside outermost aerogel insulation blanket layer, also play reflect heat to the aerogel insulation blanket layer of internal layer and improve its inboard temperature, thereby stoping the effect of the outside conduction of heat.
(7) attemperator of cell furnace of the present utility model according to temperature and the heat radiation situation of the different sites of tank furnace, is adjusted the number of insulating composite layer.For the high-temperature zone of tank furnace, 2 to 3 insulating composite layers are installed; For the middle cold zone of tank furnace, use 1 to 2 insulating composite layer, perhaps do not use insulating composite layer.And the aerogel insulation blanket layer at the heat insulation composite bed at temperature higher position preferably uses high temperature modification aerogel insulation blanket, and for the aerogel insulation blanket that is positioned at outermost insulating composite layer herein, warm type aerogel insulation blanket in preferred the use; And at the lower position of temperature, during even the aerogel insulation blanket layer of its heat insulation composite bed also only needs, warm type aerogel insulation blanket gets final product.This configuration and adjustment reach best heat insulation effect on the one hand, make effect of heat insulation reach best, and cell furnace only needs less fuel combustion just can keep the interior technological temperature of tank furnace, thereby realizes energy-conservation; Make on the other hand the consumption of aerogel insulation blanket rationalize, reduce unnecessary waste, reduce costs.
(8) attemperator of cell furnace of the present utility model uses in the outside of the thermal insulation layer of traditional float glass tank furnace, when not using attemperator, the temperature of cell furnace thermal insulation layer is up to 150 ℃, after using attemperator, 60 ℃~80 ℃ of attemperator outside surface, and make the heat dissipation capacity of the thermal insulation layer of original tank furnace reduce 50%~70%, therefore attemperator of the present utility model is remarkable to the secondary heat insulation effect of cell furnace.
(9) embodiment with the attemperator of cell furnace of the present utility model is applied on floatation glass production line, through the data tracking of 6 months, determines that finally fractional energy savings is 6.36%.
(10) China's glass industry production capacity high occupying first place in the world for years, so the energy-saving potential of China's glass industry kiln is very large.Aerogel is rationally applied to cell furnace, carry out exploitation and the popularization of cell furnace power-saving technology, will lead glass industry to complete the target for energy-saving and emission-reduction of " industrial enterprise general energy-conservation 20% ", have good Social benefit and economic benefit.
Description of drawings
Fig. 1 is the structural representation of float process artistic glass tank furnace, separation device, cooling end and the forming part of glass smelting part not shown in FIG.;
Fig. 2 is the first schematic diagram of the attemperator of cell furnace;
Fig. 3 is the second schematic diagram of the attemperator of cell furnace;
Fig. 4 is the third schematic diagram of the attemperator of cell furnace;
Fig. 5 is the 4th kind of schematic diagram of the attemperator of cell furnace;
Fig. 6 is the 5th kind of schematic diagram of the attemperator of cell furnace;
Fig. 7 is the 6th kind of schematic diagram of the attemperator of cell furnace;
Mark in above-mentioned accompanying drawing is as follows:
Thermal insulation layer 1, high-temperature zone thermal insulation layer 1a, middle warm area thermal insulation layer 1b, cold zone thermal insulation layer 1c, molten bath arch closure insulation 11, molten bath breastwork thermal insulation layer 12, molten bath gable thermal insulation layer 13, regenerator crown closure insulation 14, regenerator wall insulating layer 15, port thermal insulation layer 16, branch flue thermal insulation layer 17;
Heat insulation composite bed 2, alumina silicate fibre blanket layer 21, the first aerogel insulation blanket layer 22,
Insulating composite layer 3, single insulating composite layer 3a, two insulating composite layer 3b, triple composite heat-insulating layer 3c, the first glass fibre carpet veneer 31, the second aerogel insulation blanket 32, the second glass fibre carpet veneers 33, the 3rd aerogel insulation blanket layer 34, the three glass fibre carpet veneer 35, the four aerogel insulation blanket layer 36;
Reflecting layer 4
Mounting block 5.
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the attemperator of the cell furnace of the present embodiment is the attemperator of float glass tank furnace, comprises heat insulation composite bed 2 and mounting block 5.Heat insulation composite bed 2 is comprised of alumina silicate fibre blanket layer 21 and the first aerogel insulation blanket layer 22.
Alumina silicate fibre blanket layer 21 and the first aerogel insulation blanket layer 22 are laid on the outer side at position that all that cover cell furnace arrange thermal insulation layer 1 successively according to order from inside to outside, mounting block 5 is arranged on outside the first aerogel insulation blanket layer 22, makes that heat insulation composite bed 2 is compacted, compacting is on the outer side of the thermal insulation layer 1 of cell furnace.Described thermal insulation layer 1 is the silica heat-insulating material layer on the outer wall that is arranged on cell furnace in prior art.
Alumina silicate fibre blanket layer 21 consists of the type of attachment of preferred overlap joint by alumina silicate fibre blanket splicing or overlap joint.Described overlap joint is at the position, edge of the alumina silicate fibre blanket of having laid and the other alumina silicate fibre blanket of the partial coverage of not laying alumina silicate fibre blanket of thermal insulation layer 1, and outer overlapping part with the internal layer alumina silicate fibre blanket is overlapping part.Alumina silicate fibre blanket is also referred to as aluminum silicate fiber heat insulating blanket, alumina silicate fibre blanket, pure aluminium silicate insulation blanket or pure aluminium silicate blanket etc.The present embodiment alumina silicate fibre blanket used is the standard type alumina silicate fibre blanket that Shandong Luyang share co.,ltd makes, and its thickness is 25 millimeters.The alumina silicate fibre blanket that consists of alumina silicate fibre blanket layer 21 cuts the alumina silicate fibre blanket of rolling as required and obtains, and the width that cuts the alumina silicate fibre blanket of gained is that 0.6 meter, length are 1 to 3 meter and do not wait.
The first aerogel insulation blanket layer 22 consists of the type of attachment of preferred overlap joint by aerogel insulation blanket splicing or overlap joint.The aerogel insulation blanket is the thermal insulation material that obtains after compound through the heat resistance fiber skeleton such as beta glass fibre by aerogel, and thermal conductivity at normal temperatures is 0.012~0.023W/mK.Described aerogel can be aerosil, alumina aerogels, titania aerogel or zirconia aerogels, can be also one or both or three kinds or four kinds of gas mixture gels that aerogel forms in above-mentioned aerogel.Although above-mentioned aerogel kind is different, but the general character with aerogel comprises that nano level hole separately is the gas-solid interface that air, solids component are few, skeleton is fine, heat conduction path is elongated and inner existence is a large amount of less than the air molecule free path, up to the composition more than 80%.The aerogel insulation blanket that is used for formation the first aerogel insulation blanket layer 22 of the present embodiment is the aerosil insulation blanket, and its thickness is 6 millimeters, for following day RunAG650 type aerogel insulation blanket of energy-conservation Science and Technology Ltd. manufacturing in Changzhou.This aerogel insulation blanket is high temperature modification aerogel insulation blanket, high temperature that can anti-650 ℃.
Described mounting block 5 comprises compressing member and weight.Compressing member is angle steel, joist steel or tabular steel bar.Compressing member is weldingly fixed on the iron and steel column of cell furnace after heat insulation composite bed 2 being pressed on the outer side of thermal insulation layer 1 at the body of wall place that is positioned at cell furnace again; Weight is positioned on the heat insulation composite bed 2 that is laid on place, arch top, thereby should compresses compacting above arch pushes up by heat insulation composite bed 2, described weight is fragment of brick or band iron.To all the other positions, exsertion part and port as branch flue, the method that adopts galvanized wire to tie up, alumina silicate fibre blanket layer 21 and the first aerogel insulation blanket layer 22 of heat insulation composite bed 2 are coated and fixed around the exsertion part and port of branch flue according to splicing or overlapping mode successively, the mode of connection of preferred overlap joint.
because the fabric width of the aerogel insulation blanket on market only has 910mm usually, 1200mm, 1450mm, the 1500mm equal-specification, therefore for fear of the situation of the junction heat leak between adjacent aerogel insulation blanket, guarantee that heat insulation composite bed 2 covers on the thermal insulation layer 1 of tank furnace fully, the type of attachment of the preferred overlap joint in the junction of adjacent aerogel insulation blanket 22 (being also seam crossing), after the last aerogel insulation blanket that is about to cut out is laid on alumina silicate fibre blanket layer 21, during a rear aerogel insulation blanket that laying is cut out, the position, edge with its joint is placed on last aerogel insulation blanket, thereby avoid the space occurring in the junction of insulation blanket.Lap width is no more than 20mm, is generally 8mm to 20mm.Similarly, if the width of the alumina silicate fibre blanket of alumina silicate fibre blanket layer 21 is less than the width of the thermal insulation layer 1 of the corresponding site of cell furnace to be laid, the mode of connection of overlap joint is preferably adopted in junction between adjacent alumina silicate fibre blanket, and the lap-joint of adjacent aerogel insulation blanket and the lap-joint between the adjacent alumina silicate fibre blanket of the alumina silicate fibre blanket layer 21 of internal layer are staggered.
In the present embodiment, temperature in the regenerator be 1150 ℃ as example, when not adding attemperator of the present utility model, the temperature of the outside surface of the thermal insulation layer 1 of its body of wall is about 100 ℃ to 120 ℃, after being provided with above-mentioned heat insulation composite bed 2 of the present utility model, it is 400 ℃ of left and right that the temperature of thermal insulation layer 1 outside surface raises, and the thermograde of thermal insulation layer 1 greatly reduces, it is more that thereby thermal stresses wherein also descends, and the appearance in the crack of thermal insulation layer 1 also greatly reduces thereupon.This is a beyond thought technique effect of attemperator of the present utility model.
During the operation of the internal condition of cell furnace, wherein the height of temperature is different, is divided into high-temperature zone, middle warm area and cold zone, and corresponding, thermal insulation layer 1 also is divided into high-temperature zone thermal insulation layer 1a, middle warm area thermal insulation layer 1b and cold zone thermal insulation layer 1c usually.When attemperator of the present utility model is not set, can be with the appearance temperature of thermal insulation layer 1 greater than the zone of 90 ℃ as high-temperature zone thermal insulation layer 1a, with the appearance temperature of thermal insulation layer 1 be 70 ℃~90 ℃ the zone as in warm area thermal insulation layer 1b, and be that the zone of 50 ℃~70 ℃ is as cold zone thermal insulation layer 1c with the temperature of the appearance of thermal insulation layer 1.When the appearance temperature of described thermal insulation layer 1 referred to the cell furnace operation, its thermal insulation layer 1 was exposed to the temperature of airborne appearance.After using attemperator of the present utility model, different according to the height of the internal temperature of its present position, correspondingly be divided into successively high-temperature zone attemperator, middle warm area attemperator and cold zone attemperator, be also that the high-temperature zone attemperator is arranged on outside the thermal insulation layer 1a of high-temperature zone, middle warm area attemperator is arranged on outside middle warm area thermal insulation layer 1b, and the cold zone attemperator is arranged on outside cold zone thermal insulation layer 1c.
For the high-temperature zone attemperator, the temperature of its first aerogel insulation blanket layer 22 outside surfaces can reduce by 10 ℃~20 ℃; For middle warm area attemperator, the temperature of its first aerogel insulation blanket layer 22 outside surfaces can reduce by 10 ℃ of left and right; For the cold zone attemperator, the temperature of its first aerogel insulation blanket layer 22 outside surfaces can descend 2 ℃~3 ℃.after adopting attemperator of the present utility model, the temperature of the outer side of high-temperature zone thermal insulation layer 1a rises larger, and the temperature of the first aerogel insulation blanket layer 22 outside surface that should the zone has certain decline, therefore make a large amount of heat in this zone be prevented from outwards distributing, these heats are successively to middle warm area thermal insulation layer 1b and cold zone thermal insulation layer 1c diffusion, and make the temperature of medial surface of the first aerogel insulation blanket layer 22 of the first aerogel insulation blanket layer 22 of middle warm area attemperator and cold zone attemperator that certain rising all be arranged, the appearance temperature that finally shows as the first aerogel insulation blanket layer 22 of middle warm area attemperator reduces less with respect to the hull-skin temperature that the middle warm area thermal insulation layer 1b before attemperator of the present utility model is set, the appearance temperature of the first aerogel insulation blanket layer 22 of cold zone attemperator only descends a little with respect to the hull-skin temperature that the cold zone thermal insulation layer 1c before attemperator of the present utility model is set.But as a whole, the thermal losses of cell furnace greatly reduces.
(embodiment 2)
See Fig. 3, the rest part of the present embodiment is identical with embodiment 1, and difference is: the attemperator of the cell furnace of the present embodiment also comprises reflecting layer 4.Reflecting layer 4 is aluminium sheet or the galvanized sheet iron of 0.5 mm thick, cover on the outer side of the first aerogel insulation blanket layer 22 of heat insulation composite bed 2, mounting block 5 is arranged on outside reflecting layer 4, make reflecting layer 4 and heat insulation composite bed 2 from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer 1 of cell furnace.
The attemperator of the attemperator of the present embodiment and embodiment 1 relatively because of the existence in reflecting layer 4, can be reflected back the thermal insulation layer 1 of the cell furnace part to extraradial heat in thermal insulation layer 1, thereby further reduce energy consumption.
(embodiment 3)
See Fig. 4 and Fig. 5, the rest part of the present embodiment is identical with embodiment 1, and difference is: the attemperator of the present embodiment also comprises insulating composite layer 3.Insulating composite layer 3 is divided into single insulating composite layer 3a and two insulating composite layer 3b according to the difference of the quantity of the gentle gel insulation blanket of the glass fibre carpet veneer layer that comprises.Single insulating composite layer 3a only has 1 composite bed, is also namely set gradually and consists of according to from inside to outside order by the first glass fibre carpet veneer 31 and the second aerogel insulation blanket layer 32.Two insulating composite layer 3b have 2 composite beds, are also namely set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer 31, the second aerogel insulation blanket layer 32, the second glass fibre carpet veneer 33 and the 3rd aerogel insulation blanket layer 34.Insulating composite layer 3 is arranged between heat insulation composite bed 2 and mounting block 5, being also heat insulation composite bed 2, insulating composite layer 3 and mounting block 5 sets gradually according to from inside to outside order, and mounting block 5 makes insulating composite layer 3 and heat insulation composite bed 2 is compacted according to the order of ecto-entad, compacting is on the thermal insulation layer 1 of cell furnace.
For float glass tank furnace, when attemperator of the present utility model is not installed, during the cell furnace operation, the temperature of outside surface that belongs to the high-temperature zone thermal insulation layer 1a of thermal insulation layer 1 is more than 90 ℃, the temperature of the outside surface of middle warm area thermal insulation layer 1b is 70 ℃~90 ℃, and the hull-skin temperature of cold zone thermal insulation layer 1c is 50 ℃~70 ℃.
See Fig. 1, the thermal insulation layer 1 of the cell furnace of the present embodiment is divided into molten bath arch closure insulation 11, molten bath breastwork thermal insulation layer 12, molten bath gable thermal insulation layer 13, regenerator crown closure insulation 14, regenerator wall insulating layer 15, port thermal insulation layer 16 and branch flue thermal insulation layer 17 according to the difference of residing position.
And molten bath arch closure insulation 11, molten bath breastwork thermal insulation layer 12, molten bath gable thermal insulation layer 13, regenerator crown closure insulation 14, port thermal insulation layer 16 all belong to high-temperature zone thermal insulation layer 1a.17 of branch flue thermal insulation layers belong to cold zone thermal insulation layer 1c.15 of regenerator wall insulating layers belong to respectively corresponding thermal insulation layer according to the difference of the position of residing upper, middle and lower.Wherein, the top of regenerator wall insulating layer 15 belongs to high-temperature zone thermal insulation layer 1a, and the middle part of regenerator wall insulating layer 15 belongs to middle warm area thermal insulation layer 1b, and the bottom of regenerator wall insulating layer 15 belongs to cold zone thermal insulation layer 1c.
See Fig. 5, the structure of the high-temperature zone attemperator of the cell furnace of the present embodiment is: its insulating composite layer 3 is two insulating composite layer 3b; Two insulating composite layer 3b are arranged on outside the first aerogel insulation blanket layer 22 of heat insulation composite bed 2.
The first glass fibre carpet veneer 31 in two insulating composite layer 3b of high-temperature zone attemperator is connected and composed by the mode of glass mat with overlap joint, and the second glass fibre carpet veneer 33 is is also connected and composed by the mode of corresponding glass mat with overlap joint.And in the present embodiment, the first glass fibre carpet veneer 31 is identical with the source of the glass mat that the second glass fibre carpet veneer 33 adopts, and is the Wuxi thick glass fibre cotton felt of 3mm that glass fibre Science and Technology Ltd. makes of winning victory.
The second aerogel insulation blanket layer 32 in two insulating composite layer 3b of high-temperature zone attemperator is connected and composed in the mode that overlaps by the thick high temperature modification aerogel insulation blanket of 6mm.This high temperature modification aerogel insulation blanket is identical with the source of the aerogel insulation blanket of the first aerogel insulation blanket layer 22 of above-mentioned high-temperature zone attemperator.The 3rd aerogel insulation blanket layer 34 is that the middle warm type aerogel insulation blanket of 6mm connects and composes in the mode that overlaps by thickness, should middle warm type aerogel insulation blanket be the aerosil insulation blanket, for following the RunAG380 type aerogel insulation blanket that day energy-conservation Science and Technology Ltd. makes in Changzhou, the high temperature that this aerogel insulation blanket can anti-380 ℃.each lap-joint of the first glass fibre carpet veneer 31 of two insulating composite layer 3b of high-temperature zone attemperator with respect to the setting of staggering of the first aerogel insulation blanket layer 22 corresponding lap-joint of its heat insulation composite bed 2 adjacent in inside, each lap-joint of the second aerogel insulation blanket layer 32 of two insulating composite layer 3b with respect to its adjacent the first glass fibre carpet veneer 31 corresponding lap-joint setting of staggering in inside, each lap-joint of the second glass fibre carpet veneer 33 of two insulating composite layer 3b with respect to the setting of staggering of the corresponding lap-joint of its second adjacent aerogel insulation blanket layer 32 in inside, each lap-joint of the 3rd aerogel insulation blanket layer 34 of two insulating composite layer 3b with respect to the setting of staggering of the corresponding lap-joint of its second adjacent glass fibre carpet veneer 33 in inside, also namely when laying each glass fibre carpet veneer, lap-joint to the aerogel insulation blanket layer that is in internal layer carries out lapped layup according to the mode that staggers, when laying each aerogel insulation blanket layer of two insulating composite layer 3b, the lap-joint of the glass fibre carpet veneer that is in internal layer is also carried out lapped layup according to the mode that staggers.
The mounting block 5 of high-temperature zone attemperator directly contacts with the 3rd aerogel insulation blanket layer 34 of two insulating composite layer 3b.The 3rd aerogel insulation blanket layer 34 for the facade position of the body of wall that is positioned at the molten bath and regenerator body of wall, after two insulating composite layer 3b that the compressing member of mounting block 5 will set gradually from outside to inside and heat insulation composite bed 2 are pressed on the thermal insulation layer 1 that is positioned at each corresponding body of wall of cell furnace, then be weldingly fixed on the iron and steel column of cell furnace; To being positioned at the 3rd aerogel insulation blanket layer 34 at molten bath Xuan Ding and regenerator Xuan Ding place, two insulating composite layer 3b that the weight of mounting block 5 such as fragment of brick will set gradually from outside to inside and heat insulation composite bed 2 compress compactings on the thermal insulation layer 1 that is positioned at place, tank furnace arch top; For be in around port and flue on every side 34, the 3rd aerogel insulation blanket layer tie up with galvanized wire and be fixed with the mode of iron nail in case of necessity.Then check the airtight quality situation that seam crossing, edge, obstacle place and point of fixity (line) are located, see that whether these positions are in conjunction with closely knit firm, if existing problems can adopt the methods such as pressure is stepped on, the weight pendulum is pressed, compressing member weldering pressure further to compress according to practical situation.
See Fig. 4, the structure of the structure of the middle warm area attemperator of the attemperator of the cell furnace of the present embodiment and above-mentioned high-temperature zone attemperator is basic identical, difference is: the insulating composite layer 3 of middle warm area attemperator is single insulating composite layer 3a, rather than two insulating composite layer 3b.The aerogel insulation blanket of the second aerogel insulation blanket layer 32 of single insulating composite layer 3a is middle warm type aerogel insulation blanket, and its source is identical with the source of the middle warm type aerogel insulation blanket of the 3rd aerogel insulation blanket layer 34 of two insulating composite layer 3b of high-temperature zone attemperator.The mounting block 5 of middle warm area attemperator directly contacts with the second aerogel insulation blanket layer 32 of single insulating composite layer 3a, thereby on the corresponding thermal insulation layer 1 that single insulating composite layer 3a that will set gradually from outside to inside and heat insulation composite bed 2 are fixed on cell furnace.
The structure of the cold zone attemperator of the attemperator of the cell furnace of the present embodiment only has heat insulation composite bed 2, insulating composite layer 3 is not set, and the aerogel insulation blanket of the first aerogel insulation blanket layer 22 of heat insulation composite bed 2 is middle warm type aerogel insulation blanket, and its source is identical with the source of the middle warm type aerogel insulation blanket of the 3rd aerogel insulation blanket layer 34 of two insulating composite layer 3b of high-temperature zone attemperator.The mounting block 5 of cold zone attemperator directly contacts with the first aerogel insulation blanket layer 22 of heat insulation composite bed 2, thereby the first aerogel insulation blanket layer 22 and the alumina silicate fibre blanket layer 21 that set gradually from outside to inside of heat insulation composite bed 2 is fixed on the corresponding thermal insulation layer 1 of cell furnace.
During concrete the installation, for the arch top bit, cut out three kinds of main raw alumina silicate fibre blankets, glass mat and each aerogel insulation blanket of corresponding length according to each arch top arc length that measures.Wherein, to not need to be used for the body of wall facade on the main raw position that is connected mutually, the main raw length of cutting out is isometric with the arc length that measures; To the position that is used for being connected mutually with the main raw of body of wall facade, will add the linking surplus capacity, the main raw of also namely cutting out is longer than the more corresponding arch of the main raw length top arc length of cutting out in arc length 40mm to the 100mm(the present embodiment of arch top will grow 50mm).For the body of wall position, cut out alumina silicate fibre blanket, glass fibre carpet veneer and each aerogel insulation blanket of corresponding length according to the size of each metope that measures.
For the body of wall position, the main raw that first will cut out successively is fixed on the outside surface of thermal insulation layer 1 of body of wall with the nail vertical hanging of trying one's best few successively according to from inside to outside order; Hang the corresponding site of fixing later layer main raw layer with nail after, the nail of front one deck is taken off successively.During suspension, the middle part of each main raw layer holds out against support with steel material, to reduce the gravity that dangles, prevents from that lagging material from falling down to come off; All main raw layers all hang complete after, compress outmost one deck main raw layer with angle steel or joist steel as early as possible, and the two ends of angle steel or joist steel be weldingly fixed on the iron and steel column of kiln.Complete the nail of withdrawing from metope after welding and complete installation.
Therefore also be provided with vision slit on body of wall facade due to tank furnace, when cutting out the body of wall facade that is provided with vision slit main raw used, cut out in advance the hole of vision slit, and the diameter of hole be greater than 10~15cm of actual observation bore dia.Especially it should be noted that, for insulating composite layer 3, the 3rd aerogel insulation blanket layer 34 aerogel insulation blanket used at the position of close vision slit is high temperature modification aerogel insulation blanket, warm type aerogel insulation blanket during still use at other position of the 3rd aerogel insulation blanket layer 34.
Be provided with the float glass tank furnace of above-mentioned attemperator in production and application, the exospheric temperature of its high-temperature zone drops to 80 ℃~100 ℃ by original 130 ℃~150 ℃, and the temperature of middle warm area descends approximately 20 ℃ by original temperature.
Before attemperator is not installed, 506.05 tons/day of production line drawing amount average out to, fuel is petroleum coke powder, the fuel combustion calorific value is about 34230.43 kj/kg, approximately 95.8 tons of production line daily dosage portions.
After attemperator is installed, 505.18 tons/day of production line drawing amount average out to, fuel is petroleum coke powder, the fuel combustion calorific value is about 34019.6kj/kg, approximately 90.12 tons of production line daily dosage portions.
It is 34230.43 * 95.8 ÷ 506.05=6480.8 kj/kg glass metals that the front unit consumption of attemperator is not installed.
Unit consumption after the installation attemperator is 34019.6 * 90.12 ÷ 505.18=6068.81 kj/kg glass metals.
The calculating of fractional energy savings: (6480.8-6068.81) ÷ 6480.8 * 100%=6.36%.
The amount of energy saving of actual every day is: 95.8 tons * 6.36%=6.09 ton.
(embodiment 4)
See Fig. 6, the rest part of the present embodiment is identical with embodiment 3, and difference also goes out to be: the attemperator of the cell furnace of the present embodiment also comprises reflecting layer 4.Reflecting layer 4 is aluminium sheet or the galvanized sheet iron of 0.5 mm thick, cover on the outer side of outermost aerogel insulation blanket layer of high temperature, middle temperature, low temperature insulating composite layer 3, mounting block 5 is arranged on outside reflecting layer 4, make reflecting layer 4, insulating composite layer 3 and heat insulation composite bed 2 from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer 1 of cell furnace.
The attemperator of the attemperator of the present embodiment and embodiment 3 relatively because of the existence in reflecting layer 4, can be reflected back the thermal insulation layer 1 of the cell furnace part to extraradial heat in thermal insulation layer 1, thereby further reduce energy consumption.
(embodiment 5)
See Fig. 7, the rest part of the present embodiment is identical with embodiment 3, and difference is: insulating composite layer 3 also comprises triple composite heat-insulating layer 3c.Triple composite heat-insulating layer 3c are set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer 31, the second aerogel insulation blanket layer 32, the second glass fibre carpet veneer 33, the 3rd aerogel insulation blanket layer 34, the 3rd glass fibre carpet veneer 35 and the 4th aerogel insulation blanket layer 36.
Attemperator of the present utility model also is applicable to annealing furnace, high-temperature zone of the present utility model attemperator or middle warm area attemperator is coated on the wall in the outside that is arranged on annealing furnace, thereby annealing furnace is incubated.
Attemperator of the present utility model is not limited to float glass furnace, above-mentioned attemperator is equally applicable to other process of glass kiln used, lay single heat insulation composite bed 2 on the arch top of kiln heat radiation and the facade of body of wall, or lay simultaneously heat insulation composite bed 2 and insulating composite layer 3, to reach heat insulation effect.Same, for middle warm area and the cold zone of above-mentioned cell furnace, 2 layers of composite bed that mainly comprises middle warm type aerogel insulation blanket layer can be set; For the high-temperature zone, crown, 2~3 layers of composite bed that mainly comprises high temperature modification aerogel insulation blanket layer can be set, mainly comprise accordingly the composite bed of middle warm type aerogel insulation blanket layer in the arranged outside of the composite bed that mainly comprises high temperature modification aerogel insulation blanket layer.
(embodiment 6)
The rest part of the present embodiment is identical with embodiment 3, and difference is: insulating composite layer 3 is comprised of rock wool layer and aerogel insulation blanket layer.

Claims (10)

1. the attemperator of a cell furnace, is characterized in that: comprise heat insulation composite bed (2) and mounting block (5); Heat insulation composite bed (2) mainly is comprised of alumina silicate fibre blanket layer (21) and the first aerogel insulation blanket layer (22); Alumina silicate fibre blanket layer (21) and the first aerogel insulation blanket layer (22) are laid on the outer side at position that all that cover cell furnace arrange thermal insulation layer (1) successively according to order from inside to outside; Mounting block (5) is arranged on outside the first aerogel insulation blanket layer (22), makes that heat insulation composite bed (2) is compacted, compacting is on the outer side of the thermal insulation layer (1) of cell furnace; Described thermal insulation layer (1) is the silica heat-insulating material layer on the outer wall that is arranged on cell furnace.
2. the attemperator of cell furnace according to claim 1, it is characterized in that: the attemperator of cell furnace also comprises reflecting layer (4), reflecting layer (4) is arranged between heat insulation composite bed (2) and mounting block (5), be also on the outer side of reflecting layer (4) the first aerogel insulation blanket layer (22) of covering heat insulation composite bed (2), mounting block (5) is arranged on outside reflecting layer (4), make reflecting layer (4) and heat insulation composite bed (2) from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer (1) of cell furnace; Described reflecting layer (4) is aluminium sheet or galvanized sheet iron.
3. the attemperator of cell furnace according to claim 1, it is characterized in that: the attemperator of cell furnace also comprises insulating composite layer (3); Insulating composite layer (3) is arranged between heat insulation composite bed (2) and mounting block (5), be also on the outer side of insulating composite layer (3) the first aerogel insulation blanket layer (22) of covering heat insulation composite bed (2), mounting block (5) is arranged on outside insulating composite layer (3), make insulating composite layer (3) and heat insulation composite bed (2) from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer (1) of cell furnace; Described insulating composite layer (3) is comprised of glass fibre carpet veneer or rock wool layer and aerogel insulation blanket layer, and aerogel insulation blanket layer is laid on the outer side of glass fibre carpet veneer or rock wool layer.
4. the attemperator of cell furnace according to claim 3, it is characterized in that: insulating composite layer (3) comprises single insulating composite layer (3a), two insulating composite layer (3b) and triple composite heat-insulating layer (3c); Described single insulating composite layer (3a) is set gradually and consists of according to from inside to outside order by the first glass fibre carpet veneer (31) and the second aerogel insulation blanket layer (32); Two insulating composite layers (3b) are set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer (31), the second aerogel insulation blanket layer (32), the second glass fibre carpet veneer (33) and the 3rd aerogel insulation blanket layer (34); Triple composite heat-insulating layers (3c) are set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer (31), the second aerogel insulation blanket layer (32), the second glass fibre carpet veneer (33), the 3rd aerogel insulation blanket layer (34), the 3rd glass fibre carpet veneer (35) and the 4th aerogel insulation blanket layer (36).
5. the attemperator of cell furnace according to claim 4, it is characterized in that: the attemperator of cell furnace also comprises reflecting layer (4), reflecting layer (4) is arranged between insulating composite layer (3) and mounting block (5), be also on the outer side of reflecting layer (4) the outermost aerogel insulation blanket layer that covers insulating composite layer (3), mounting block (5) is arranged on outside reflecting layer (4), make reflecting layer (4), insulating composite layer (3) and heat insulation composite bed (2) are compacted successively from outside to inside, compacting is on the outer side of the thermal insulation layer (1) of cell furnace, described reflecting layer (4) is aluminium sheet or galvanized sheet iron.
6. the attemperator of cell furnace according to claim 1 is characterized in that: described thermal insulation layer (1) comprises that temperature that the appearance temperature is the middle warm area thermal insulation layer (1b) of 70 ℃~90 ℃ and appearance greater than high-temperature zone thermal insulation layer (1a), the appearance temperature of 90 ℃ is the cold zone thermal insulation layer (1c) of 50 ℃~70 ℃; Cell furnace to be positioned at the attemperator that high-temperature zone thermal insulation layer (1a) locates be the high-temperature zone attemperator, being arranged in the attemperator that warm area thermal insulation layer (1b) locates is the warm area attemperator, and being positioned at the attemperator that cold zone thermal insulation layer (1c) locates is the cold zone attemperator; When the appearance temperature of described thermal insulation layer (1) referred to the cell furnace operation, its thermal insulation layer (1) was exposed to the temperature of airborne appearance.
7. the attemperator of cell furnace according to claim 6, it is characterized in that: the high-temperature zone attemperator also comprises the insulating composite layer (3) that is arranged between heat insulation composite bed (2) and mounting block (5), be also on the outer side of insulating composite layer (3) the first aerogel insulation blanket layer (22) of covering heat insulation composite bed (2), mounting block (5) is arranged on outside insulating composite layer (3), make insulating composite layer (3) and heat insulation composite bed (2) from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer (1) of cell furnace;
The aerogel insulation blanket of the first aerogel insulation blanket layer (22) of the heat insulation composite bed (2) of high-temperature zone attemperator is high temperature modification aerogel insulation blanket; Insulating composite layer (3) is two insulating composite layers (3b) or triple composite heat-insulating layer (3c), the aerogel insulation blanket of the aerogel insulation blanket layer of the inboard of two insulating composite layers (3b) or triple composite heat-insulating layer (3c) is high temperature modification aerogel insulation blanket, and the aerogel insulation blanket of outermost aerogel insulation blanket layer is middle warm type aerogel insulation blanket;
When the insulating composite layer (3) of high-temperature zone attemperator was two insulating composite layer (3b), this pair insulating composite layer (3b) was set gradually and consists of according to from inside to outside order by the first glass fibre carpet veneer (31), the second aerogel insulation blanket layer (32), the second glass fibre carpet veneer (33) and the 3rd aerogel insulation blanket layer (34); The second aerogel insulation blanket layer (32) wherein is inboard aerogel insulation blanket layer, and the 3rd aerogel insulation blanket layer (34) is outermost aerogel insulation blanket layer;
When the insulating composite layer (3) of high-temperature zone attemperator was triple composite heat-insulating layers (3c), these triple composite heat-insulating layers (3c) were set gradually and consist of according to from inside to outside order by the first glass fibre carpet veneer (31), the second aerogel insulation blanket layer (32), the second glass fibre carpet veneer (33), the 3rd aerogel insulation blanket layer (34), the 3rd glass fibre carpet veneer (35) and the 4th aerogel insulation blanket layer (36); The second aerogel insulation blanket layer (32) wherein is inboard aerogel insulation blanket layer, the 4th aerogel insulation blanket layer (36) is outermost aerogel insulation blanket layer, and the aerogel insulation blanket of the 3rd aerogel insulation blanket layer (34) is high temperature modification aerogel insulation blanket or middle warm type aerogel insulation blanket.
8. the attemperator of cell furnace according to claim 6, it is characterized in that: middle warm area attemperator also comprises the insulating composite layer (3) that is arranged between heat insulation composite bed (2) and mounting block (5), be also on the outer side of insulating composite layer (3) the first aerogel insulation blanket layer (22) of covering heat insulation composite bed (2), mounting block (5) is arranged on outside insulating composite layer (3), make insulating composite layer (3) and heat insulation composite bed (2) from outside to inside successively compacted, compacting on the outer side of the thermal insulation layer (1) of cell furnace;
The aerogel insulation blanket of the first aerogel insulation blanket layer (22) of the heat insulation composite bed (2) of middle warm area attemperator is high temperature modification aerogel insulation blanket; Insulating composite layer (3) is single insulating composite layer (3a), and single insulating composite layer (3a) is set gradually and consists of according to from inside to outside order by the first glass fibre carpet veneer (31) and the second aerogel insulation blanket layer (32); The aerogel insulation blanket of the second aerogel insulation blanket layer (32) of single insulating composite layer (3a) is middle warm type aerogel insulation blanket.
9. the attemperator of cell furnace according to claim 6, it is characterized in that: the aerogel insulation blanket of the first aerogel insulation blanket layer (22) of the heat insulation composite bed (2) of cold zone attemperator is middle warm type aerogel insulation blanket.
One of according to claim 1 to 9 described cell furnace attemperator, it is characterized in that: described aerogel insulation blanket thermal conductivity at normal temperatures is 0.012~0.023W/mK; Described aerogel insulation blanket is the thermal insulation material that obtains after compound through the heat resistance fiber skeleton such as beta glass fibre by aerogel, aerogel wherein can be aerosil, alumina aerogels, titania aerogel, zirconia aerogels, can be also one or both or three kinds or four kinds of gas mixture gels that aerogel forms in above-mentioned aerogel.
CN 201220581193 2012-11-06 2012-11-06 Heat preservation device of glass tank furnace Expired - Fee Related CN202988955U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103387325A (en) * 2012-11-06 2013-11-13 常州循天节能科技有限公司 Insulation apparatus for glass tank furnace
CN110043792A (en) * 2019-05-21 2019-07-23 悌埃保温制品(上海)有限公司 A kind of cold insulation insulation board and its installation method for low-temperature storage tank
TWI766041B (en) * 2017-06-14 2022-06-01 美商康寧公司 Method for controlling compaction

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103387325A (en) * 2012-11-06 2013-11-13 常州循天节能科技有限公司 Insulation apparatus for glass tank furnace
CN103387325B (en) * 2012-11-06 2015-04-08 常州循天节能科技有限公司 Insulation apparatus for glass tank furnace
TWI766041B (en) * 2017-06-14 2022-06-01 美商康寧公司 Method for controlling compaction
US11827553B2 (en) 2017-06-14 2023-11-28 Corning Incorporated Method for controlling compaction
CN110043792A (en) * 2019-05-21 2019-07-23 悌埃保温制品(上海)有限公司 A kind of cold insulation insulation board and its installation method for low-temperature storage tank

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