CN102417314A - Production method and application of pitchstone expansion vitrified micro-bead energy storage material - Google Patents
Production method and application of pitchstone expansion vitrified micro-bead energy storage material Download PDFInfo
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- CN102417314A CN102417314A CN2010102922547A CN201010292254A CN102417314A CN 102417314 A CN102417314 A CN 102417314A CN 2010102922547 A CN2010102922547 A CN 2010102922547A CN 201010292254 A CN201010292254 A CN 201010292254A CN 102417314 A CN102417314 A CN 102417314A
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Abstract
The invention discloses a production method and application of a pitchstone expansion vitrified micro-bead energy storage material, belonging to the field of building thermal-insulation temperature-adaptable materials. In the existing thermal-insulation energy saving building materials, expanded polystyrene boards and extruded polystyrene boards as represented by thermal-insulation materials are difficult to satisfy the 65% energy saving requirement, and have the disadvantages of short service life, bad flame resistance and the like. The pitchstone expansion vitrified micro-bead energy storage material disclosed herein overcomes the disadvantages of the material in the prior art, and achieves the following advantages: 1, long service life: the material has the same service life with the building body; 2, good flame resistance: the material achieves the grade-A standard required by GB8621-2006; and 3, good weather resistance: the number of freeze-thaw cycles of the material is 50. Simultaneously, the material has a temperature adjustment function, when the indoor ambient temperature in the daytime is too high, the material can absorb heat in the environment, and when the indoor ambient temperature in the night is low, the material can release heat to the environment, thus the indoor temperature fluctuation is controlled, the use of the air-conditioners and heating systems is reduced, and the energy is saved. The material can be widely applied in building wall, the thermal insulation projects of wall surface, roof, and floor, and the like.
Description
One, technical field
Pitchstone expanded and vitrified small ball energy-accumulation material belongs to the heat insulation thermal control material of building heat preservation field, is mainly used in aspects such as building energy conservation body of wall, ground, roofing.
Two, background technology
At existing 10,000,000,000 m of China
2Urban and rural buildings in, have only 3.2 hundred million m
2Urban house can deserve to be called energy saving building.Annual more than 20 hundred million m that are completed in the whole nation
2In the building, only less than 100,000,000 m
2Building belongs to energy saving building, only accounts for about 3%.Every square metre of building and heating of China or energy consumption for cooling are about 3 times of developed country.Whole nation building uses energy consumption to account for 27.5% of national total energy consumption.China just builds the highly energy-consuming building with unprecedented scale at present.
In today that social demand sustainable growth and the level of consumption improve day by day, energy scarcity has become the key subjects of restriction China's economy and social sustained and coordinated development.Save energy, cut down the consumption of energy, particularly reducing building energy consumption is pendulum duty-bound challenge in face of walling manufacturing enterprise.
The building energy conservation engineering has become the important content that each building must be accomplished, and Chinese Government has all carried out clearly regulation to building energy conservation in " the building energy conservation management rules " of " economizing energy law " of in October, 2007 issue and issue soon.Require all new buildings of China must implement the building energy conservation measure, as do not have the project of conservation measures, must not go into operation, must not final acceptance of construction, must not sell use.
The Ministry of Construction of China proposes " the building energy conservation planning of three steps ", promptly on the basis of building energy consumption in 1980, realizes 30%, 50%, 65% gradually, has begun to implement in full the second energy-conservation requirement of step at present, and the energy-conservation pilot that also begun in developed regions of the first step is implemented.To the year two thousand twenty, the target of building energy conservation 65% is realized in northern severe cold, cold district and developed area and megalopolis.The Ministry of Construction proposes simultaneously, and by 2010, the existing building reducing energy consumption was progressively carried out, and the big city is accomplished and transformed area 25%, and the medium-sized city reaches 15%, and the small city is arrived to 10%; To the year two thousand twenty, most existing buildings completion reducing energy consumptions are realized in northern severe cold, cold district and developed area and megalopolis.
The insulation of architectural exterior-protecting construction is an importance of building energy conservation, and its status also strengthened day by day, in the insulation of architectural exterior-protecting construction, and with the fastest developing speed with external wall outer insulation again.Common External Walls Heating Insulation is broadly divided into following several kinds: external wall outer insulation, exterior wall internal insulation, sandwich style sandwich heat preservation, and adopt light wall materials such as hollow brick, holllow building block.Because External Thermal Insulation Technology for External has the heat transfer coefficient that can significantly reduce body of wall, eliminate heat bridge, prevent the interior wall dewfall, keep indoor climate steadily, the protection skin; Prolong buildings work-ing life; And characteristics such as outer facade effect attractive in appearance are provided for buildings (becoming it is old building thing transformation project), progressively become the mainstream technology of exterior-wall heat insulation.At present, commonly used lagging material is at benzene plate (EPS, XPS), rigid urethane foam, EPS particle warm mortar etc. only.
Abroad, particularly in construction industry, obtained using very widely at regional external wall outer insulations such as Europe, the U.S..U.S. for example introduces this technology the seventies in 20th century from Europe, and improves and develop according to the concrete weather condition of this country and building system characteristics.Same during the energy dilemma at the beginning of the seventies in last century, because the requirement of building energy conservation, external wall outer insulation and decorative system constantly increase in the application of the U.S., and to later 1990s, its average annual growth rate has reached 20～25%.So far also for four more than ten years, high building reaches 44 layers to this technology, and all is widely used with cold northern territory in the hot area of southern US in the application of the U.S., and effect is remarkable.
At present, in China, though energy-conserving and environment-protective building, power-saving technology have obtained wideling popularize, obtained certain achievement at aspects such as building plans and design, energy-conserving and environment-protective building materials, the energy-conservation structure of enclosed structure, energy-saving acts.Country has successively formulated " covil construction energy-saving design standard (heating residential architecture part) ", " Xia Redong cryogenic region energy Saving Design of Residential Buildings standard ", " building energy conservation engineering construction quality standard for acceptance ", " earth-source hot-pump system engineering legislation ", " external wall outer insulation engineering rules ", " building energy conservation public notification of information management method " etc.; Corresponding rule method and management method have also been formulated according to practical situation in the each place, have worked out corresponding structure atlas and standard.But the hot merit of most heating area building enclosure is can be all more many than weather and near developed country's difference, and the heat transfer coefficient of exterior wall is their 3.5 to 4.5 times, and exterior window is 2 to 3 times, and roofing is 3 to 6 times, and the air infiltration of door and window is 3 to 6 times.Now, the actual year heating energy consumption of European countries' dwelling house generally reaches every square metre of 6 liters of oil, is about as much as every square metre of 1.3 kilograms of standard coal equivalents in Germany even 3 liters of dwelling houses occurred in 2005.And, reaching energy-conservation 50% building in China, its heating power consumption also will reach 12.5 kilograms for every square metre, is about 3 times of European countries.
The development general trend that realizes at present building energy conservation in the world is development of new insulation, energy saving building material.In insulation, energy saving building material; With polystyrene block (EPS plate), extruded polystyrene board (XPS plate) is that the lagging material of representative is difficult to satisfy energy-conservation 65% requirement when thickness limits, and exist the life-span short, fire resistance is poor, the outer decoration receives shortcomings such as ectocine is big.
The kind of domestic like product, technical indicator and shortcoming
Domestic wall insulation system at present commonly used is that being based upon with Haydite bricks, concrete segment etc. is body of wall, and body of wall effluxes the complex heat-preservation form of thermal insulation layer, mainly contains two types:
The first kind: extruded sheet polyphenyl board exterior wall outer thermal insulation system (XPS).
Second type: polyphenyl board exterior wall outer thermal insulation system (EPS).
The first kind: the form of construction work and the technical indicator of extruded sheet polyphenyl board exterior wall outer thermal insulation system (XPS).
Form of construction work is: the XPS plate that cuts is sticked on exterior wall surface with special-purpose adhesive mortar; And add the nylon crab-bolt and fix; Smear polymer cement mortar on the warming plate surface then; Be pressed into alkaline-resisting plastic-coated glass fiber reticular cloth (or woven wire), smear Elastic reactance crack putty and coating at last on the surface in the hope of obtaining heat insulation effect.
The technical indicator of XPS:
The XPS thermal conductivity is: 0.030Wm.K.
Tensile strength is: 150～300Kpa.
Unit weight: 25-40kgm3.
Fire resistance rating: B2 level
Freeze proof at a distance from circulation: 15 times
The shortcoming of XPS heat-insulation system:
1), the intensity of XPS plate itself is higher, thereby cause sheet material more crisp, be difficult for bending, deposit on the plate stress the time stress concentration, make easily that sheet material damages, cracking;
2), because the plate smooth surface, when construction, need interface processing, and carry out plucking.The hair side plate is within the rule;
3), ventilation property is poor, ventilative hardly, if the temperature difference of plate both sides is bigger, the temperature height is easy to dewfall;
1), fire resistance is poor, the bond area rate is minimum to be 40%, is prone to come off, and should take into full account the factors such as weather resistance of system, careful selection material produce factory and unit in charge of construction, and strict monitoring materials arrival is reviewed and full construction process is managed.
Second type: the form of construction work and the technical indicator of polyphenyl board exterior wall outer thermal insulation system (EPS).
Form of construction work is: the XPS plate that cuts is sticked on exterior wall surface with special-purpose adhesive mortar; And add the nylon crab-bolt and fix; Smear polymer cement mortar on the warming plate surface then; Be pressed into alkaline-resisting plastic-coated glass fiber reticular cloth (or woven wire), smear Elastic reactance crack putty and coating at last on the surface in the hope of obtaining heat insulation effect.
The technical indicator of EPS:
The EPS thermal conductivity is: 0.011Wm.K
Tensile strength is: 120～160Kpa
Unit weight: 18-25kgm3.
Fire resistance rating: B2 level
Freeze-thaw-circulation: 15 times
The shortcoming of EPS heat-insulation system:
1), because the character problem of sheet material self, its intensity is not high, weight capacity is lower, need strengthen handling during outer furring brick;
2), high with respect to XPS plate water-absorbent, if there is seepage to occur, sheet material is easy to go bad, and heat insulation effect is descended.
3), will the section of the process ripening stage when sheet material dispatches from the factory, need to place for some time just can use.If the curing time is not enough, the quality of sheet material can not be guaranteed, and construction back panel shrinkage makes system's cracking.
4), " cavity is arranged "; The polyphenyl plate thin plastering way is pasted in the back, and the weakness that bonds is on the interface of styrofoam and polyphenyl plate bond, and the bond area rate is minimum to be 40%; In case presence of fire; Cavity under the benzene plate has just become the optimal channel of " fire ", spreads over a whole area from one point sheet, can not burn until burning.
5) strengthening net and lack due weather resistance, is that glass fiber reticular cloth or woven wire all exist the danger that is corroded.Glass fiber reticular cloth is in alkaline environment, and the cross section weakens, and breaking tenacity reduces; Woven wire loses enhancement because of corrosion in wet environment, thereby causes the high-altitude to fall, and causes very big potential safety hazard.
In the above-mentioned materials various shortcoming, because the bond area rate has only 40%, and inflammable disaster hidden-trouble and the high-altitude sling loss of causing of material itself is particularly huge, and the most serious with disaster hidden-trouble among the two.2007-2008, the whole nation reaches more than 10,000 by the exterior wall fire that lagging material causes, and its harm is big, and the conspicuous heart is frightened.Wherein having the greatest impact worst is olympic game Beijing University table tennis training hall fire; Very lucky among the misfortune is not influence Olympic contest, otherwise consequence is hardly imaginable; Once also dying a tragic death in the Xizhimen, Beijing " contemporary MOHA " that was cited as " contemporary world seven big construction work miracles ", (The Beijing News report: fire department is claimed that toggle bolt body insulation interlayer catches fire and is caused; Cause no casualties, according to field worker, fire leaps up out from 6 layers of exterior-wall heat insulation interlayer; Burn 20 multilayers, hear the glass cullet sound of crack in the Pi with that.Fire is that the workman is when upstairs welding, due to electric welding Mars is fallen on the warming plate).More let the people heavy-hearted be twice big fire within 08 year two months of the Olympic Sports Center, Jinan, let everybody to the safety hit at the Olympic Sports Center, Jinan a big question mark, people from Jinan even begin to suspect it and can hold the National Games smoothly.
Make a general survey of a lot of fire, exterior-wall heat insulation catches fire has two big characteristics: the one, and rate of propagation is exceedingly fast.In a single day the condition of a fire takes place in the engineering of under construction, in minutes just can be burned to tens floors top from bottom, when waiting fire truck to arrive in, has been that sea of fire a slice, dense smoke cover mouth.The 2nd, it is in interlayer, to burn that burning concealment Mars in the decorated wall surface that has completed ignites behind the thermal insulation layer; Can only see the crack outside or not have tight-closed slit to smolder outward; But do not know fire burns wherein and arrived which position, miss best fire fighting opportunity.
Does why having the so many exterior wall fire condition of a fire take place? The first is because these two kinds of ways all are to adopt the bare board of EPS, XPS to paste or fill in row at the scene; The burning grade of these materials is the B2 level; They all are organic substances but on material; All be combustible, what is called is fire-retardant just to be not easy burning with respect to common material, but is not burn.Use analogous material equally as the CCTV building, the external world reaches certain condition and catches fire in the same old way, and the first contacts with oxygen with air in other words.As the conventional thin plastoring system, EPS plate and body of wall bond area, remain 60% part and can be cavity for being not less than 40% according to national regulation.Therefore be easy to form airflow stack effect at whole floor, in case certain position burning of bottom, then flame can be scurried rapidly to roof, is difficult to put out.The Lantern Festival, " the new annex big fire of CCTV " the exterior wall rate of propagation that overdoes was fast, the heaviness of personnel's property damage, and having burnt of the summit of Highrise buildings at last, this also is CCTV building one of the reason that difficulty rescues of catching fire.
For fear of similarly the repeated performance of tragedy,, fp needs energy-conservation in order to take into account, control and the energy-conserving product technology that eliminate to fall behind and apply energy-saving material-saving, peace immediately can the fp new technology, novel material, novel process become the task of top priority.
For this reason, on September 25th, 2009, China branch peace portion unites together with house and town and country construction portion and has issued No. [2009] 46, public logical word about printing and distributing the file of " covil construction outer heat preservation system and decoration of exterior wall fire prevention temporary provisions " notice; Clear and definite regulation in the file: the covil construction height is more than or equal to 50 meters; The combustionproperty of its lagging material should be the A level, and height is more than or equal to 24 meters, and the combustionproperty of its lagging material should be A level or B1 level; And when adopting B1 level lagging material; Every two-layer horizontal fire-blocking belt (above-mentioned materials all belongs to organic materials, and its combustionproperty can only reach the B1 level at most, can't reach the A level) should be set.
This document indicates also when putting into effect that existing old wall heat insulation material and technology gone to the dead end; Can't satisfy the nation's security requirement; And to the intensive market requirement, the spring that can satisfy substituted type body of wall energy-saving and heat-insulating material national security requirement, new is coming greatly.
Three, summary of the invention
1, the purpose of invention
In order to overcome existing lagging material, fire resistance rating is low, and it is not enough to be prone to come off etc., and pitchstone expanded and vitrified small ball energy-accumulation material fire resistance rating of the present invention reaches the A1 level and reaches the highest ranking of country to the fire performance requirement; With the same longevity of main building, there is not the risk that comes off; Freeze-thaw-circulation 50 times reaches China's severe cold area requirement.
2, the technical solution of invention
(1) pitchstone expanded and vitrified small ball energy-accumulation material is formed
Pitchstone, brucite, No. 82 crystallite paraffin waxes, expanded and vitrified small ball, rubber powder, animal protein, calcium formiate, cement.
(2) working method of pitchstone expanded and vitrified small ball energy-accumulation material
Pitchstone expanded and vitrified small ball energy-accumulation material proportioning: pitchstone 80Kg, brucite 170Kg, No. 82 crystallite paraffin wax 90Kg, expanded and vitrified small ball 110Kg, rubber powder 15Kg, animal protein 10Kg, calcium formiate 0.5Kg, cement 300Kg.
Its technological process of production is following:
Utilize acid vitreous pitchstone ore deposit,, carry out surface water through thermal radiation and carry out preheating with the balanced processed of crystal water constant temperature and dewater through behind the screening installation sub-sieve; Four classifications of dehydration back HJD-20 self-con-tained unit; In the multistage electrically heated tubular type of WD-A type vitrification furnace, under 320 ℃ of conditions of high temperature, take place to soften, form thick acid vitreous volume and expand rapidly, the vitreum after the volumetric expansion just can form the inner porous cavity type vacuum body structure that is; And under the molten state of cooling of continuous instantaneous 320 ℃ of high temperature; Make the surface form the lightweight spheroidal particle expanded and vitrified small ball of closure vitreous shell, add No. 82 crystallite paraffin waxes and after the expanded and vitrified small ball surface forms parcel, seal clothing, in test tank, add additive cement then; Mix upward mulling slurry mixing machine through stream; Form effectively three-dimensional the stirring, utilize in the dry-mixed mortar various granulated aggregates to make convection current friction carrier, fully stir the back and form pitchstone expanded and vitrified small ball energy-accumulation material finished products for three times.
(3) product performance index
Detect through national building materials test center, product performance are following:
(4) pitchstone expanded and vitrified small ball energy-accumulation material purposes
Be applied to building field to pitchstone expanded and vitrified small ball energy-accumulation material, be about to pitchstone expanded and vitrified small ball energy-accumulation material and be stored in the porous construction material, process the accumulation of energy construction material.Like this when the too high or infrared rays of indoor environment temperature on daytime is very strong, body of wall pitchstone expanded and vitrified small ball energy-accumulation material can melt the heat in the absorbing environmental; Otherwise night, indoor environment temperature was low with infrared rays when more weak, and the pitchstone expanded and vitrified small ball energy-accumulation material in the body of wall can solidify; Heat release in environment, thus the control fluctuations in indoor temperature reduces the use of air-conditioning and heating system; Save the energy; The application of pitchstone expanded and vitrified small ball energy-accumulation material in building energy conservation mainly is to combine pitchstone expanded and vitrified small ball energy-accumulation material with architectural exterior-protecting construction, processes the accumulation of energy building enclosure, is used for the regulation and control of buildings room temp.Pitchstone expanded and vitrified small ball energy-accumulation material building enclosure can increase the accumulation of heat effect of enclosure body greatly; Hot-fluid fluctuating range between the buildings indoor and outdoors is weakened; Postponed action time; Thereby improve the energy-conservation power of temperature temperature self-regulating of buildings and improve indoor environment, reach energy-conservation and comfortable purpose.
(5) compared with prior art, the beneficial effect of pitchstone expanded and vitrified small ball energy-accumulation material
The insulation of architectural exterior-protecting construction is an importance of building energy conservation at present, and is also strengthened day by day in its status.In the insulation of architectural exterior-protecting construction; With the fastest developing speed with external wall outer insulation again; Common External Walls Heating Insulation is broadly divided into following several kinds: external wall outer insulation, exterior wall internal insulation, sandwich style sandwich heat preservation, and adopt light wall materials such as hollow brick, holllow building block.At present in insulation, energy saving building material; With polystyrene block (EPS plate), extruded polystyrene board (XPS plate) is that the lagging material of representative is difficult to satisfy energy-conservation 65% requirement when thickness limits, and exist the life-span short, fire resistance is poor, be prone to come off, decorate outward and receive significant drawbacks such as ectocine is big.Pitchstone expanded and vitrified small ball energy-accumulation material has been compared following beneficial effect with same type of material:
(1) thermal-insulation energy-conservation is effective, and it is higher that pitchstone expanded and vitrified small ball energy-accumulation material has intensity, and equivalent heat conductivity is little, and the accumulation of energy coefficient is big.Be used for wall thermal insulating, help improving the heat insulating and the energy-saving effect of body of wall.
(2) fire safety, weather resistance are good.Pitchstone expanded and vitrified small ball energy-accumulation material belongs to A level non-fire material.Material and the close fusion mutually of body of wall basic unit material, snappiness, the splitting resistance of material are fabulous.This is to be avoided wall crazing and the most basic problem of hollowing.Pitchstone expanded and vitrified small ball energy-accumulation material thermal insulation layer and basic unit metope bonding firmly, not hollowing, do not ftracture, Wind-Pressure Resistance, shock-resistant, good weatherability.
(3) the comfortable environment-protection performance is good.Selected nontoxic, tasteless, the harmless natural environmental-protective material of pitchstone expanded and vitrified small ball energy-accumulation material.In production, construction and use, can not produce pollution to environment, have ventilative effect and temperature regulation effect; Human settlements wherein in winter, can not produce the sulks sense; Can not produce the baking sense summer, and the house reaches " warm, Xia Liang of winter " through heat insulating; Simultaneously, this product is radiationless, soundproof effect is good etc., is of value to occupant's comfortable health.
(4) execute simple and efficient.The batch production of pitchstone expanded and vitrified small ball energy-accumulation material is produced, and product bag loads and transports to the building site.Need not add any article, after only need adding water and stirring, just can directly go up the wall construction, disposable floating, insulation, the heat insulation effect of reaching need not to add water curing after the construction, and dried naturally consolidating getting final product, and saves time, saving of labor, material-saving.Because the thermal insulation layer bonding is firmly, and is bright and clean smooth, is the nature pearl, helps the construction of facing, can be at thermal isolation and heat storage material outside, tiling or paint coating.
(5) long service life.Pitchstone expanded and vitrified small ball energy-accumulation material finish coat foaming, hollowing do not occur and phenomenon such as come off through weathering resistance experiment, produces the infiltration crack.Meet the mandatory index request among national sector standard " the external wall outer insulation engineering rules " JGJI44-2004.
(6) cost performance is superior, and the comprehensive price ratio of pitchstone expanded and vitrified small ball energy-accumulation material is all practiced thrift the 20-30% cost than other heat insulation system of market.
Pitchstone expanded and vitrified small ball energy-accumulation material makes building energy conservation, obvious social benefit.Simultaneously, benzene plate, extruded sheet, polyurethane thermal insulation plate have been substituted, in process of production; Utilize petrochemical materials in a large number, and in construction process, avoided the burning of benzene plate to emit deleterious benzene vapor; Extruded sheet is emitted poisonous chlorine, and polyamine ester board is emitted problems such as oxidation industry nitrogen obnoxious flavour.So accumulation of heat accumulation of energy heat-preserving building mortar is the environment-friendly and green product that has market potential that is worthy of popularization.
Four, embodiment
1, pitchstone expanded and vitrified small ball energy-accumulation material embodiment:
(1) smears pitchstone expanded and vitrified small ball energy-accumulation material
1. spice: press pitchstone expanded and vitrified small ball energy-accumulation material
Dry-mixed mortar: water=1: 0.15 (quality), evenly the back is for use with mechanical stirring.
2. layering is smeared
1. the first layer compacting, floating, thickness: interior wall 5mm, exterior wall 11～22.5mm, hair side is stayed on the surface.
2. after the first layer forms initial set, smear thickness second time: interior wall 5mm, exterior wall 11～22.5mm does levelling and handles, trowel finish (coatings decoration face) or hair side (the ceramic tile decorative cover or the row of doing).
3. smear the technical key point of pitchstone expanded and vitrified small ball energy-accumulation material
Answer appropriateness to push when 1. smearing, to guarantee to be formed with effective adhesive between layer and the layer.
2. smear for the first time and do not receive light, guarantee that the surface is crude, the second layer is smeared and will do not carried out before the complete drying at the first layer, guarantees bonding.
(2) pitchstone expanded and vitrified small ball energy-accumulation material is built the construction of body of wall or blockwork
(1) buildings main body frame construction, examination finish.Be up to state standards by the relevant building code of country.
(2) can add the coagulation worker by construction requirement and carry out formwork and build, but pumping realizes the remote conveying of 200 meters of vertical heights; Or build by laying bricks or stones by the coagulation worker building block of design requirements processing.
(3) can saw, cobalt, nail, extension etc., carry out pipeline and bury underground.
(1) carries out wall plastering or carry out wall body decoration by construction requirement.
Claims (3)
1. a pitchstone expanded and vitrified small ball energy-accumulation material has following technical characterictic:
(1) according to indoor and outdoor temperature automatic temperature-control function
(2) combustionproperty A level
(3) with the same longevity of buildings main body
(4) freeze proof at a distance from circulation 50 times
2. like the working method of claims 1 said a kind of pitchstone expanded and vitrified small ball energy-accumulation material
3. application protection domain: building masonry wall is built by laying bricks or stones, the insulation of metope, ground, roofing, insulation contractors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102922547A CN102417314A (en) | 2010-09-27 | 2010-09-27 | Production method and application of pitchstone expansion vitrified micro-bead energy storage material |
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| CN2010102922547A CN102417314A (en) | 2010-09-27 | 2010-09-27 | Production method and application of pitchstone expansion vitrified micro-bead energy storage material |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074157A (en) * | 2007-06-08 | 2007-11-21 | 王胜怀 | Self-controlled phase-variable energy-storage economical material and its production |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074157A (en) * | 2007-06-08 | 2007-11-21 | 王胜怀 | Self-controlled phase-variable energy-storage economical material and its production |
Non-Patent Citations (1)
| Title |
|---|
| 李青: "建筑干粉保温砂浆制备及性能研究", 《中国优秀硕士学位论文全文数据库》, 15 January 2010 (2010-01-15), pages 20 - 29 * |
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Application publication date: 20120418 |