CN101152975A - Hollow heat-insulation building block and method of producing the same - Google Patents
Hollow heat-insulation building block and method of producing the same Download PDFInfo
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- CN101152975A CN101152975A CNA200610140608XA CN200610140608A CN101152975A CN 101152975 A CN101152975 A CN 101152975A CN A200610140608X A CNA200610140608X A CN A200610140608XA CN 200610140608 A CN200610140608 A CN 200610140608A CN 101152975 A CN101152975 A CN 101152975A
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- building block
- insulation building
- hollow heat
- insulation
- acidify magaldrate
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- 238000009413 insulation Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims description 18
- 239000002994 raw material Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000010451 perlite Substances 0.000 claims abstract description 8
- 235000019362 perlite Nutrition 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 6
- 239000011777 magnesium Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- JIFPTBLGXRKRAO-UHFFFAOYSA-K aluminum;magnesium;hydroxide;sulfate Chemical compound [OH-].[Mg+2].[Al+3].[O-]S([O-])(=O)=O JIFPTBLGXRKRAO-UHFFFAOYSA-K 0.000 claims description 35
- 229960004018 magaldrate Drugs 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 33
- 239000000654 additive Substances 0.000 claims description 27
- 230000000996 additive effect Effects 0.000 claims description 26
- 239000004568 cement Substances 0.000 claims description 15
- 239000004566 building material Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 229920000609 methyl cellulose Polymers 0.000 claims description 7
- 239000001923 methylcellulose Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000011449 brick Substances 0.000 abstract description 24
- 239000002002 slurry Substances 0.000 abstract description 2
- 230000020477 pH reduction Effects 0.000 abstract 3
- 239000012774 insulation material Substances 0.000 abstract 2
- 239000011489 building insulation material Substances 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 229920006328 Styrofoam Polymers 0.000 description 20
- 239000008261 styrofoam Substances 0.000 description 20
- 238000004134 energy conservation Methods 0.000 description 12
- 239000004570 mortar (masonry) Substances 0.000 description 9
- 239000004793 Polystyrene Substances 0.000 description 7
- 229920002223 polystyrene Polymers 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000011056 performance test Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
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- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 235000019354 vermiculite Nutrition 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- 230000002528 anti-freeze Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
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- 239000007858 starting material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses a novel hollow insulation building block and a preparation method thereof. The hollow insulation building block of the present invention is mainly made of raw materials with following portions: 0.5 to 1.5 portions of acidification magnesium insulation materials and 1 to 3 portions of expanded perlite. The hollow insulation building block of the present invention has a preparation method comprising the following steps: 1) raw materials are fetched according to the weight portions: 0.5 to 1.5 portions of acidification magnesium insulation materials and 1 to 3 portions expanded perlite; 2) The raw materials are mixed well; then water of 30 to 40 percent of the total weight of the mixture is added; the hollow building block is prepared by compressing with use of the acidification magnesium insulation; no calcination or drying is needed. The hollow insulation building block prepared in the present invention is a burning-free product. After the slurry is dried, a crystalline grid can be formed; the minimum bearable pressure is 1.0MPa and the maximum bearable pressure is up to 2.0MPa; the thermal conductivity coefficient is between 0.08/m.k and 0.1/m.k, which is 8 times of the temperature-resistant capability of an ordinary brick. The present invention is energy-saving, insulative, thermal insulative, fireproof and capable of bearing pressure, and is a building insulation material of excellent performances.
Description
Technical field
The present invention relates to a kind of material of construction, relate in particular to hollow heat-insulation building block for building and preparation method thereof, belong to building material field.
Background technology
Defective that adopts at present the lagging material of styrofoam, compact substance styrofoam and thermal insulation mortar (cement mixing granular polystyrene) all to exist technically on the insulation market self can't to overcome and part not fully up to expectations.
Styrofoam is the organic materials that extracts from oil.Temperature influence sensitivity, molecule activity are very active.Heat resisting temperature has only 70 ℃, and when experiment recorded 70 ℃, size changing rate reached 5% after 48 hours.Area, Northeast China outdoor temperature in winter is-45 ℃～-20 ℃, and southern area metope in summer temperature can reach 70 ℃～75 ℃.The styrofoam material is subjected to the acute variation of outside air temperature, just can't change by nature to expand and warpage, and above digital proof, warpage, cracking are unavoidably.Use styrofoam to go wrong and be inevitable, the time length that goes wrong depends on the bonding object, selects for use ether of cellulose and vinylformic acid as cohesive body usually, the mixed cement mortar.These three kinds of materials all have aging time and thermal conductivity, can not stop warpage, the cracking of styrofoam, also can further aggravate the conduction of temperature.The styrofoam construction is gone up and is adopted rivet firmly to go up wall in addition.This constructional method makes styrofoam and metope produce the hollowing distance.The benefit that has distance is to a certain extent to having stoped the inside conduction of temperature.The problem that faces is, in case the styrofoam warpage, hot and cold air-flow just enters the hollowing distance, becomes hot and cold air-flow storing spot, is stored into certain value, and interior wall just becomes pontic, has destroyed indoor isoperibol.The person's character that can not change styrofoam just can not solve warpage, rimose problem.Also to be the Chinese and foreign department scholar be difficult to the problem of capturing so far using on the styrofoam for this.Main raw material vinylbenzene and the butane produced as styrofoam can produce obnoxious flavoures such as a large amount of benzene and carbon monoxide when burning.In case blaze up, the people sucks this kind obnoxious flavour, just loses self-saving ability, finally gets killed.The living environment of China is quite intensive again, in case produce burning, will cause large-area loss of life and personal injury, and the people are lived in unsafe hidden danger.Polyphenyl is the extract in the oil, and the lagging material of China all adopts styrofoam, Imported oil in a large number, and then cause worldwide rise in oil price; The costliness that also can cause the styrofoam material simultaneously conversely.Cause outside a large amount of loss of foreign exchange, be incubated, cause the insulation plan as a result in the whole nation can't smooth implementation, the insulation policy can't be prosecuted to the end, die on the vine as independent dependence styrofoam.With the demand degree of Chinese market, the oil reserve in the world still can't satisfy.
Thermal insulation mortar only adds the polyphenyl particle by cement and adds caking agent and mix.The thermal conductivity of cement is high to 1-2w/mk, and the parcel thermal conductivity is the granular polystyrene of 0.042-0.043w/mk, and formed cement and polystyrene mortar thermal conductivity is 0.095-0.098w/mk.Show via Shanghai test center of capital construction commission test result, use the thermal insulation mortar thermal conductivity at 0.1-0.2w/mk on the existing market, do not meet the standard of lagging material thermal conductivity below 0.06w/mk of national requirements.Because there is little conduction in the thermal conductivity height of cement between the cement glue.Exist little conduction to be meant that promptly hot and cold air-flow gathers earlier between the cement glue in distance element, cement can also produce certain barriering effect as the filtering net of current when gathering beginning, gathering of certain hour, body of wall stores hot and cold air and reaches certain value, make interior wall become hot and cold pontic, hot and cold air-flow importing is indoor, and it is indoor to cause outdoor hot and cold flow conductance to be advanced, and has finally destroyed the constant temperature of the interior space.
Existing lagging material can not really reach the insulation requirement really.(above Haiti district is an example, and the energy-conservation requirement of secondary reaches 55.6% energy-saving index; The three grades of energy-conservation requirements in Beijing area reach 65%).Along with the standard day by day of the energy-conservation cause of country and perfect, the generally raising of energy-conservation requirement.The energy-conservation requirement regulation of existing Beijing area reaches energy-conservation 65%.Concrete enforcement in the face of this requirement and standard, existing Guan Yong heat preserving exterior wall system, styrofoam, compact substance plate will face the practical problems in technology and the construction: the thermal conductivity of styrofoam is 0.04w/mk, the thermal conductivity of compact substance plate is 0.027-0.029w/mk, though the thermal conductivity of compact substance plate is good, use its Wind-Pressure Resistance value on Highrise buildings just can not be born.The thermal conductivity of cement and polystyrene mortar will reach 65% heat preservation energy-saving index at 0.095-0.098, thickness with thick to 10 or 15cm.This kind thickness will increase the weight of the bearing capacity of body of wall greatly, and the carrying capacity of buildings is strengthened.Also there is proposition " sandwich " method promptly to use wall on the cement and polystyrene mortar therebetween styrofoam of the right and left 3cm.At first the cement and polystyrene mortar on both sides can not with the firm combination of styrofoam.Body of wall is an inorganics, and the cement and polystyrene mortar is an organism, and inorganic and organic two kinds of materials can not fine combination, in case come off, can cause casualties, and has great potential safety hazard.
The contriver must find the light material with suitable thermal conductivity at the status analysis gained of above-mentioned energy-saving index and existing lagging material.Autonomous in view of the above research can be played insulation, fire prevention, resistance sound, environment-friendly insulating brick, and the coordinative construction working method neither influencing the body of wall load-bearing, economizes on resources again again, reaches the heat preservation energy-saving index and settles method at one go.The contriver recognizes the necessity of insulation and the defective of world today's lagging material just, in conjunction with Chinese actual needs, carries out remarkable and hard research in 8 years.The ground ore resources of China is abundant, in Henan, the Northeast stores a large amount of perlite ores, stores a large amount of vermiculites in Xinjiang region, stores a large amount of dry soil in the area, Sichuan, all is inorganic natural insulation starting material.
Cold districts such as Beijing, northeast, northwest since energy-conservation requirement be three grades energy-conservation, more than 65%, if use traditional styrofoam and thermal insulation mortar to be difficult to reach requirement, even reach, the thickness of thermal insulation layer also needs 8-10CM.So unavoidable generation construction is loaded down with trivial details, the Wind-Pressure Resistance value is not enough, uses uneasy congruent shortcoming on Highrise buildings.In view of the above, need to accomplish to settle at one go, so develop insulating brick at heat preservation energy-saving.
Summary of the invention
The present invention's technical problem at first to be solved is to overcome the deficiencies in the prior art, and a kind of new hollow heat-insulation building block is provided.
Technical problem to be solved by this invention realizes by following technological approaches:
A kind of hollow heat-insulation building block is mainly made by the raw material of following weight part: acidify magaldrate lagging material additive 0.5-1.5 part, pearlstone 1-3 part;
Preferably, the weight part of each component is: 1 part of acidify magaldrate lagging material additive, 2 parts of pearlstones.
Wherein said acidify magaldrate lagging material additive mainly is made up of the component of following weight part: acidify magaldrate pulvis 97-99.9 part, ultra micro building materials efficient additive 0.1-3 part; Be preferably: 99.4 parts in acidify magaldrate pulvis, 0.6 part of ultra micro building materials efficient additive.Each component of above weight part is mixed, promptly obtain described acidify magaldrate lagging material additive.
In order to reach better heat insulation effect, above-mentioned acidify magaldrate lagging material additive also can contain the methylcellulose gum of 0.5-3 weight part, is preferably the methylcellulose gum that contains the 1-1.2 weight part.
In order to reach better heat insulation effect, also can contain the vermiculite or the dry soil of 0.1-0.8 weight part in the above-mentioned raw materials.
Described pearlstone is perforate pearlstone or closed-cell expanded perlite.
The preparation method of described acidify magaldrate pulvis is as follows: will contain the magnesium rate and reach 85% above magnesium oxide ore and throw and soak in (5% strength sulfuric acid+95% clear water) strong acid solution, and carry out sintering after the acidifying, make pulvis and be the acidify magaldrate pulvis.
Described ultra micro building materials efficient additive is that the patent No. is the disclosed ultra micro building materials of ZL200310113325.2 patent efficient additives.
Another technical problem to be solved by this invention provides a kind of method for preparing above-mentioned hollow heat-insulation building block.
Another technical problem to be solved by this invention realizes by following technological approaches:
A kind of method for preparing hollow heat-insulation building block may further comprise the steps:
1) takes by weighing each raw material by following weight part: acidify magaldrate lagging material additive 0.5-1.5 part, pearlstone 1-3 part;
2) above-mentioned raw materials is mixed after, be incorporated as the water or the waterproof liquid of 0.8-1 times of weight of mixture total weight amount, do not calcine drying, use traditional brickmaking technology to be pressed into dry density greater than 300kg/cm
3, thickness is 3-8cm, promptly gets hollow heat-insulation building block of the present invention.
The present invention uses acidify magaldrate lagging material additive parcel pearlstone to make hollow heat-insulation building block.Acidify magaldrate adds ultra micro building materials efficient additive, and ultra micro building materials efficient additive increases force of cohesion with the volatilization of water molecules, strengthens intensity, and reduced volume forms the gluing inclusion with acidify magaldrate.Via the prepared hollow heat-insulation building block of the inventive method is a kind of unburned product, after the slurry drying, form brilliant knot lattice, different pressure bears in different ratio Beijing South Maxpower Technology Co. Ltd, the pressure that low energy is born is at 1.0MPa, that the highest is 2.0MPa, and its thermal conductivity is in 0.08-0.10w/mk (common brick is more than 0.8).The hollow heat-insulation building block of the present invention of thermal conductivity≤0.1w/mk than the thermal conductivity of traditional brick 0.81w/mk, is its 8 times of hindering warm ability, makes 24 walls, not only can satisfy 65% energy-conservation, more can reach energy-conservation more than 80%.And with low cost, can be commonly civilian acceptance, satisfy the warming energy-conservation requirement of geographic harsh climates such as northeast, northwest.
The imitative common brick way (240mm*110mm*50m) of hollow heat-insulation building block of the present invention, prepared insulating brick unit weight the most gently can reach 300g, thermal conductivity≤0.07w/mk.According to the energy-saving index of Beijing area 65%, the heat transfer coefficient that requires the main body body of wall is 0.57, thermal conductivity 0.1-0.15w/mk.
The shell of whole buildings solves with hollow heat-insulation building block of the present invention, reinforces with cement, woven wire on the both sides of insulating brick to strengthen, and thoroughly solves Beijing area 65%, even 80% energy-saving index.Simultaneously also solved the cold-resistant, in addition antifreeze of severe cold areas such as China Dark Longjiang, Jilin, Liaoning, insulating brick does not fire for 1000 ℃, in case fire appears in the room, more can not spread, feed through to other rooms.Insulating brick of the present invention, energy-conservation, resistance sound, insulation, fire prevention, pressure-bearing material adopt insulating brick of the present invention can make the whole cost decline of building trade.
The using method of hollow heat-insulation building block of the present invention comprises: when architecture construction hollow heat-insulation building block is built into insulated wall with bonding material, insulated wall is made in the middle of the body of wall, and sealer (Fig. 1) is done with cement in both sides.
Wherein, described bonding material can be conventional bonding material, is preferably the bonding material that is prepared by following method: take by weighing each raw material by following weight part: 0.7 part of 0.7 part in acidify magaldrate pulvis, 0.3 part of acidify magaldrate lattice body and pearlstone; Above raw material is mixed the water that the back adds 1 weight part, mix, promptly.
Description of drawings
The construction synoptic diagram of Fig. 1 hollow heat-insulation building block of the present invention.
Embodiment
Further describe the present invention by the following examples, it should be understood that these embodiment only are used for the purpose of illustration, never limit the scope of the invention.
Illustrate: the acidify magaldrate pulvis prepares in accordance with the following methods among the following embodiment of the application: will contain the magnesium rate and reach 85% above magnesium oxide ore and throw and soak in (5% strength sulfuric acid+95% clear water) strong acid solution, and carry out sintering after the acidifying, make pulvis and be the acidify magaldrate pulvis.
Embodiment 1
Preparation waterproof liquid: 10kg water-resisting agent (the happy high-effective water-proof series of KL-205 section, company limited produces by the prosperous chemical industry in Chengdu) mixes the water of 200kg.
By following weight part take by weighing each raw material (unit: kg): acidify magaldrate pulvis 99.4, ultra micro building materials efficient additive 0.6 (according to the patent No. be the disclosed method of ZL200310113325.2 patent prepare or available from Shanghai Yu Chen Technology Co., Ltd), perforate pearlstone 200; After above-mentioned raw materials mixed, add the waterproof liquid of 80kg, use traditional brickmaking technology pressing to make brick, do not calcine and be drying to obtain.
The hollow heat-insulation building block that present embodiment is prepared detects, and its every results of property sees Table 1.
Table 1 hollow heat-insulation building block performance test results of the present invention
| Test item title and unit | Insulating brick |
| Unit weight | 300-400 |
| Thermal conductivity w/mk | ≤0.1 |
| Intensity (MPs) | 1-2 |
| Water-intake rate (%) | 26 |
Embodiment 2
By following weight part take by weighing each raw material (unit: kg): acidify magaldrate pulvis 97, ultra micro building materials efficient additive 3 (according to the patent No. be the disclosed method of ZL200310113325.2 patent prepare or available from Shanghai Yu Chen Technology Co., Ltd), perforate pearlstone 300; After above-mentioned raw materials mixed, add the waterproof liquid of 90kg, use traditional brickmaking technology pressing to make brick, do not calcine and be drying to obtain.
The hollow heat-insulation building block that present embodiment is prepared detects, and its every results of property sees Table 2.
Table 2 hollow heat-insulation building block performance test results of the present invention
| Test item title and unit | Insulating brick |
| Unit weight | 300-400 |
| Thermal conductivity w/mk | ≤0.1 |
| Intensity (MPs) | 1-2 |
| Water-intake rate (%) | 23 |
Embodiment 3
By following weight part take by weighing each raw material (unit: kg): acidify magaldrate pulvis 99.1, ultra micro building materials efficient additive 0.6 (according to the patent No. be the disclosed method of ZL200310113325.2 patent prepare or available from Shanghai Yu Chen Technology Co., Ltd), closed-cell expanded perlite 150; After above-mentioned raw materials mixed, add the waterproof liquid of 90kg, use traditional brickmaking technology pressing to make brick, do not calcine and be drying to obtain.
The hollow heat-insulation building block that present embodiment is prepared detects, and its every results of property sees Table 3.
Table 3 hollow heat-insulation building block performance test results of the present invention
| Test item title and unit | Imitative common brick insulating brick |
| Unit weight | 300-400 |
| Thermal conductivity w/mk | ≤0.08 |
| Intensity (MPs) | 1-2 |
| Water-intake rate (%) | 24 |
Embodiment 4
By following weight part take by weighing each raw material (unit: kg): acidify magaldrate pulvis 98, ultra micro building materials efficient additive 1 (according to the patent No. be the disclosed method of ZL200310113325.2 patent prepare or available from Shanghai Yu Chen Technology Co., Ltd), methylcellulose gum 1, closed-cell expanded perlite 200; After above-mentioned raw materials mixed, add the waterproof liquid of 80kg, use traditional brickmaking technology pressing to make brick, do not calcine and be drying to obtain.The hollow heat-insulation building block that present embodiment is prepared detects, and its every results of property sees Table 3.
Table 3 hollow heat-insulation building block performance test results of the present invention
| Test item title and unit | Imitative common brick insulating brick |
| Unit weight | 300-400 |
| Thermal conductivity w/mk | ≤0.08 |
| Intensity (MPs) | 1-2 |
| Water-intake rate (%) | 22 |
Embodiment 5
By following weight part take by weighing each raw material (unit: kg): acidify magaldrate pulvis 98, ultra micro building materials efficient additive 0.8 (according to the patent No. be the disclosed method of ZL200310113325.2 patent prepare or available from Shanghai Yu Chen Technology Co., Ltd) methylcellulose gum 1.2, closed-cell expanded perlite 150; After above-mentioned raw materials mixed, add the waterproof liquid of 60kg, use traditional brickmaking technology pressing to make brick, do not calcine and be drying to obtain.The hollow heat-insulation building block that present embodiment is prepared detects, and its every results of property sees Table 3.
Table 3 hollow heat-insulation building block performance test results of the present invention
| Test item title and unit | Imitative common brick insulating brick |
| Unit weight | 300-400 |
| Thermal conductivity w/mk | ≤0.07 |
| Intensity (MPs) | 1-2 |
| Water-intake rate (%) | 23 |
Claims (11)
1. a hollow heat-insulation building block is mainly made by the raw material of following weight part: acidify magaldrate lagging material additive 0.5-1.5 part and pearlstone 1-3 part.
2. according to the hollow heat-insulation building block of claim 1, it is characterized in that the weight part of each raw material is: 1 part of acidify magaldrate lagging material additive, 2 parts of pearlstones.
3. according to the hollow heat-insulation building block of claim 1, it is characterized in that described acidify magaldrate lagging material additive mainly is made up of the component of following weight part: acidify magaldrate pulvis 97-99.9 part, ultra micro building materials efficient additive 0.1-3 part.
4. according to the hollow heat-insulation building block of claim 3, it is characterized in that the weight part of each component of described acidify magaldrate lagging material additive is: 99.4 parts in acidify magaldrate pulvis, 0.6 part of ultra micro building materials efficient additive.
5. according to the hollow heat-insulation building block of claim 3, it is characterized in that: described acidify magaldrate lagging material additive also contains the methylcellulose gum of 0.5-3 weight part.
6. according to the hollow heat-insulation building block of claim 5, it is characterized in that described methylcellulose gum acidify magaldrate lagging material additive contains the methylcellulose gum of 1-1.2 weight part.
7. according to the hollow heat-insulation building block of claim 1, it is characterized in that described pearlstone is perforate pearlstone or closed-cell expanded perlite.
8. according to the hollow heat-insulation building block of claim 3, it is characterized in that described acidify magaldrate pulvis prepares by following preparation method: will contain the magnesium rate and reach magnesium oxide ore more than 85% and throw and in strong acid solution, to soak, and carry out sintering after the acidifying, make pulvis and be the acidify magaldrate pulvis; Described strong acid solution is made up of according to 5: 95 volume ratio strength sulfuric acid and water.
9. method for preparing claim 1 hollow heat-insulation building block may further comprise the steps:
1) takes by weighing each raw material by following weight part: acidify magaldrate lagging material additive 0.5-1.5 part and pearlstone 1-3 part;
2) above-mentioned raw materials is mixed after, be incorporated as the water or the waterproof liquid of 0.8-1 times of weight of mixture total weight amount, do not calcine drying, use traditional brickmaking technology to be pressed into dry density greater than 300kg/cm
3, thickness is 3-8cm, promptly.
10. any application of hollow heat-insulation building block in building heat preserving of claim 1-8, comprising: when architecture construction hollow heat-insulation building block is built into insulated wall with bonding material, insulated wall is made in the middle of the body of wall, and sealer is done with cement in both sides.
11., it is characterized in that described bonding material is prepared by following method: take by weighing each raw material: 0.7 part of 0.7 part in acidify magaldrate pulvis, 0.3 part of acidify magaldrate lattice body and pearlstone by following weight part according to the application of claim 10; Above raw material is mixed the water that the back adds 1 weight part, mix, promptly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610140608XA CN100542988C (en) | 2006-09-29 | 2006-09-29 | A kind of hollow heat-insulation building block and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610140608XA CN100542988C (en) | 2006-09-29 | 2006-09-29 | A kind of hollow heat-insulation building block and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101152975A true CN101152975A (en) | 2008-04-02 |
| CN100542988C CN100542988C (en) | 2009-09-23 |
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| CNB200610140608XA Expired - Fee Related CN100542988C (en) | 2006-09-29 | 2006-09-29 | A kind of hollow heat-insulation building block and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN100542988C (en) |
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- 2006-09-29 CN CNB200610140608XA patent/CN100542988C/en not_active Expired - Fee Related
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| CN100542988C (en) | 2009-09-23 |
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