CN104909663B - A kind of materials recycling phase transformation cement foaming insulation board and preparation method thereof - Google Patents
A kind of materials recycling phase transformation cement foaming insulation board and preparation method thereof Download PDFInfo
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- CN104909663B CN104909663B CN201510308658.3A CN201510308658A CN104909663B CN 104909663 B CN104909663 B CN 104909663B CN 201510308658 A CN201510308658 A CN 201510308658A CN 104909663 B CN104909663 B CN 104909663B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a kind of materials recycling phase transformation cement foaming insulation board and preparation method thereof.In described materials recycling phase transformation cement foaming insulation board, each raw materials by weight portion is calculated as：50~70 parts of Portland cement, phase transformation 25~35 parts of waste material of bulk, 5~15 parts of powdered scrap, 5~25 parts of flyash, 30~45 parts of water, 4~8 parts of hydrogen peroxide, 4~8 parts of waterproof foam stabilizer, 0.005~0.025 part of conditioning agent, 0.2~0.5 part of toughened fiber.The present invention can solve the not enough shortcoming of cement foaming insulation board heat storage capacity, delay period warm-natured poor lower its own temperature change time；The cement foaming insulation board production decision of a set of Zero-discharge non-pollution is proposed simultaneously, and all scrap loops are utilized, energy-conserving and environment-protective.
Description
Technical field
The invention belongs to novel wall material technical field, and in particular to a kind of cement foamed thermal insulating material of materials recycling phase transformation
Material and preparation method thereof.
Background technology
Cement foaming insulation board uses chemical blowing process, by hydrogen peroxide add by cement, mineral admixture, water, additive,
In the slurry of toughened fiber composition, foaming in mould is poured into rapidly after stirring, maintenance under field conditions (factors) is formed after intensity
It is cut into porous light heat preservation plate material.
The density of porous, expanded material and its thermal conductivity factor, heat storage capacity being proportionate property.To have insulation material
There is preferable heat storage capacity, can cause the density of material increases, so as to cause the increase of thermal conductivity factor.Therefore, ultralight insulation
Material often has relatively low thermal conductivity factor but energy storage capability is poor.Conventional cement foaming insulation board density is very small, with compared with
Low thermal conductivity factor thus has preferable heat-proof quality, but there is also the not enough shortcoming of heat storage capacity, in China's cold district
With very good heat preservation and energy conservation effects when using, but in China's hot-summer and cold-winter area in use, itself relatively low storage
Heat energy power make it that it can not maintain the constant of indoor temperature well very much under daily cycle warm-natured degree changing environment, causes it
When these areas are used, energy-saving effect is not notable.
Meanwhile, it is many using larger mold base is prepared first in the production technology of traditional cement foaming insulation board, reuse
Cutting equipment removes leftover pieces and big mold base is cut into the heat preservation plate material of required various reduced sizes.Inevitably,
In cutting process, powdery and block waste material (15~20wt% for accounting for gross mass) can be produced.Block waste material density is small, volume
Greatly, big quantity space need to be occupied by stacking disposal；And powdered scrap particle diameter is small, granular mass is very light, it is easy to migrate with the wind, can produce
Health is disposed and environmental problem.Therefore, recycling these powderies and block waste material has important practical application meaning.
The content of the invention
It is an object of the invention to provide a kind of materials recycling phase transformation cement foaming insulation board, cement foamed guarantor can be made full use of
Warm board waste material, realizes zero solid waste discharge；And effectively solve the problem of cement foaming insulation board heat storage capacity is not enough, delay period
Temperature change time under the temperature difference, clean manufacturing, energy-conserving and environment-protective.
To achieve the above object, the technical solution adopted by the present invention is：A kind of materials recycling phase transformation cement foaming insulation board,
It is prepared from by the raw material of following parts by weight：50~70 parts of cement, phase transformation 25~35 parts of waste material of bulk, powdered scrap 5~
15 parts, 5~25 parts of flyash, 30~45 parts of water, 4~8 parts of hydrogen peroxide, 4~8 parts of waterproof foam stabilizer, conditioning agent 0.005~
0.025 part, 0.2~0.5 part of toughened fiber.
In such scheme, the block waste material of the phase transformation is prepared from by following methods：
1) cement foaming insulation board waste material is crushed, is obtained the solid waste that particle diameter is 0.3~10mm；
2) 7~13 part by weight of liquid paraffin and 7~13 parts by weight solids heating paraffins are melted and mixed to 80~85 DEG C
Uniformly, the solid waste of 9~11 parts by weight is incubated and added, is stirred, after natural cooling, described phase transformation bulk is obtained useless
Material.
In such scheme, the powdered scrap is that (such as cement foaming insulation board is produced cement foaming insulation board wasted powder
The powder produced during cutting or when block waste material is ground), particle diameter is less than 0.3mm.
In such scheme, the main component of institute's waterproof foam stabilizer is ammonium stearate emulsion, by the raw material of following parts by weight
It is prepared from：45~55 parts of stearic acid, 8~10 parts of potassium hydroxide, 2~4 parts of soda ash, 29~31 parts of ammoniacal liquor, 0.06 part of sodium fluoride,
900~916 parts of water, specific preparation process is as follows：The water for accounting for water gross mass 1/3~2/5 is placed in stirring container, 60 are heated to
~65 DEG C, potassium hydroxide, soda ash, sodium fluoride are then added, after stirring and evenly mixing, stearic acid is added and stirs；Then add
The water of residuals weight, after temperature is down to room temperature, adds ammoniacal liquor, and stir to obtain described waterproof foam stabilizer.
In such scheme, the cement is No. 42.5 Portland cements.
In such scheme, the conditioning agent is 100,000 viscosity cellulose ethers.
In such scheme, the toughened fiber is polypropylene fibre, and particle diameter is 9~12mm.
In such scheme, the hydrogen peroxide is industrial hydrogen peroxide, and its mass concentration is 27.5%.
In such scheme, the flyash is II grades of flyash.
A kind of preparation method of above-mentioned materials recycling phase transformation cement foaming insulation board, comprises the following steps：
1) raw material is weighed：Each raw material, 50~70 parts of cement, phase transformation bulk waste material 25~35 are weighed by following parts by weight
Part, 5~15 parts of powdered scrap, 5~25 parts of flyash, 30~45 parts of water, 4~8 parts of hydrogen peroxide, 4~8 parts of waterproof foam stabilizer is adjusted
Save 0.005~0.025 part of agent, 0.2~0.5 part of toughened fiber；
2) water weighed, waterproof foam stabilizer, conditioning agent and toughened fiber are placed in mixing plant first and stirred, Ran Houjia
Enter the block waste material of cement, flyash, powdered scrap and phase transformation to stir, then add hydrogen peroxide and stir rapidly, gained is starched
Material pours into mould foaming, through natural curing, form removal, cutting, obtains described materials recycling phase transformation cement foaming insulation board.
The present invention principle be：
Solid waste (cement foaming insulation board waste material) produced by cement foaming insulation board production process is cement
The hydrated product of binder materials, can adhere to cement slurry very good bond.The bulk produced in production process is given up
Material, has identical structure with the foamed heat insulating sheet material of required preparation, is broken into the cement for being added to and newly mixing after little particle
In slurry, the material of even structure can be therewith formed through dioxygen Water blown again.Meanwhile, these block waste materials are a kind of
Good porous matrix material, can be very good Adsorption Paraffin phase-change material, and its adsorption rate is up to 300%, through cement slurry
Phase-change material can be packaged in wherein with self-assembling formation phase-change material micro-capsule after sealing.And powdered scrap, then it can wait quality
Substitute a certain proportion of mineral admixture, such as flyash.
Phase-change material can make full use of what is absorbed or discharge in itself phase transition process to dive in its transition temperature range
Heat, makes it have extraordinary heat storage capacity.Paraffin is a kind of safer, stable phase-change material, by solid paraffin according to
The phase-change material that is made of ratio melting, its phase transition temperature controllable has very in the range of 20~30 DEG C to building temperature control
Good adjustment effect.During phase-change material absorbs or discharged latent heat, undergoing phase transition of phase-change material, keeping temperature change
In the range of a very little, when the temperature difference is smaller, it is possible to achieve self-regulation temperature control.When difference variation is larger, environment
Latent heat caused by day and night temperature cyclically-varying absorbs, release change procedure make it that interior of building temperature has with external change
Hysteresis quality, so as to reduce heating, freeze to reach the purpose of environmental protection and energy saving.
By the block waste material of bulk in mold base cutting process, through simple crushing into 0.3~10mm block waste material so that its
Pore structure is fully exposed, and the melt paraffin configured is therewith stirred together for so that paraffin is sufficient filling with behind its space certainly
So cooling, obtains the block waste material of phase transformation.Associated block waste material is stirred together with newly mixing cement sizing material, and adds dioxygen Water blown
When phase-transition heat-preserving material is made, cement mortar can seal the breach in the block waste material space of phase transformation so that paraffin is in porous thermal insulating
Inside the space of material, encapsulation phase-transition heat-preserving material is formed.The use of principle active component is stearic waterproof foam stabilizer, can be with
So that the hole wall structure after hydrated cementitious is fine and close, the water absorption rate of cement foamed product was both reduced, and ensure that encapsulation phase simultaneously
Become the sealing of material.By below the 0.3mm powdered scraps of the generation in cutting, blocks of solid waste material shattering process through collecting
Afterwards, it is added to the mineral admixture that cement slurry material mean quality replaces cement foamed product as filler.Production can be achieved
Whole zero emission, recycles waste material, realizes clean manufacturing.
Beneficial effects of the present invention are：
1) the not enough shortcoming of cement foaming insulation board heat storage capacity is solved, higher heat storage capacity is made it have, effectively
Postpone the temperature change time under daily cycle warm-natured difference, energy-conserving and environment-protective.
2) present invention proposes the cement foaming insulation board production decision of a set of Zero-discharge non-pollution, all scrap loop profits
With clean manufacturing.
Embodiment
In order to be better understood from the present invention, with reference to the specific embodiment content that the present invention is furture elucidated, but this hair
Bright content is not limited solely to the following examples.
In following examples, unless specific instructions, the reagent of use is commercially available chemical reagent.
In following examples, the cement is No. 42.5 Portland cements；Conditioning agent is 100,000 viscosity cellulose ethers；
Toughened fiber is polypropylene fibre, and particle diameter is 9~12mm；Hydrogen peroxide is the industrial hydrogen peroxide that mass concentration is 27.5%；Fine coal
Ash is II grades of flyash.
In following examples, thermal conductivity factor is according to GB/T 10295-2008《Technology of Steady State Thermal Resistance of Thermal Insulating Material and relevant characteristic
Determine heat-flow meter method》Tested；Apparent density is according to GB/T 5486-2008《Inorganic hard insulating product test method》Enter
Row test, baking oven heating-up temperature is 65 ± 2 DEG C；Compression strength is according to GB/T 5486-2008《Inorganic hard insulating product is tested
Method》Tested in laboratory conditions after maintenance 3d；Burning behavior class is according to GB8624-2012《Construction material and system
Product classification system for fire performance》Evaluated.
Embodiment 1
A kind of materials recycling phase transformation cement foaming insulation board, its preparation method comprises the following steps：
1) the bulk leftover pieces (cement foaming insulation board waste material) produced when cement foaming insulation board is cut carry out simple
Broken, the particle that sieve takes particle diameter to be 0.3~10mm is standby as solid waste, and the particle diameter collected cutting and produced when broken is less than
0.3mm cement foaming insulation board solid powder is standby as powdered scrap.
2) preparation of the block waste material of phase transformation：Atoleine 100kg and solid paraffin 100kg are heated into 80 DEG C to melt and stir
Mix uniform, add step 1) obtained by solid waste 90kg, natural cooling after constant temperature stirring at low speed is uniform obtains phase transformation bulk useless
Material.
3) preparation of waterproof foam stabilizer：305kg is added in stirring container and is heated to 65 DEG C, potassium hydroxide is then added
9kg, soda ash 3kg, sodium fluoride 0.06kg, are stirring evenly and then adding into rapidly stearic acid 50kg and stir, and add cold water
600kg, is cooled to after room temperature and adds ammoniacal liquor 30kg and stir, obtain waterproof foam stabilizer.
4) each raw material is weighed by following weight proportion：Portland cement 65kg, phase transformation bulk waste material 35kg, powdery gives up
Expect 15kg, flyash 5kg, water 32kg, hydrogen peroxide 5.5kg, waterproof foam stabilizer 5kg, conditioning agent 0.008kg, toughened fiber
0.3kg。
5) water, waterproof foam stabilizer, conditioning agent and toughened fiber are placed in mixing plant first and stirred, add common silicic acid
The block waste material of salt cement, flyash, powdered scrap and phase transformation stirs, and then adds hydrogen peroxide and stirs rapidly, slurry is fallen
Enter mould foaming, cut after natural curing 1d after form removal, 2d, produce the described cement foamed insulation of materials recycling phase transformation
Plate.
Materials recycling phase transformation cement foaming insulation board obtained by the present embodiment is subjected to performance test, 1 is the results are shown in Table.
The performance test results of materials recycling phase transformation cement foaming insulation board made from the embodiment 1 of table 1
Embodiment 2
A kind of materials recycling phase transformation cement foaming insulation board, its preparation method comprises the following steps：
1) the bulk leftover pieces (cement foaming insulation board waste material) produced when cement foaming insulation board is cut carry out simple
Broken, the particle that sieve takes particle diameter to be 0.3~10mm is standby as solid waste, and the particle diameter collected cutting and produced when broken is less than
0.3mm cement foaming insulation board solid powder is standby as powdered scrap.
2) preparation of the block waste material of phase transformation：Atoleine 100kg and solid paraffin 100kg are heated into 80 DEG C to melt and stir
Mix uniform, add step 1) obtained by solid waste 100kg, natural cooling after constant temperature stirring at low speed is uniform obtains phase transformation bulk useless
Material.
3) preparation of waterproof foam stabilizer：305kg is added in stirring container and is heated to 65 DEG C, potassium hydroxide is then added
9kg, soda ash 3kg, 0.06 part of sodium fluoride are stirring evenly and then adding into rapidly stearic acid 50kg and stirred, and add cold water
600kg, is cooled to after room temperature and adds ammoniacal liquor 30kg and stir, obtain waterproof foam stabilizer.
4) each raw material is weighed by following weight proportion：Portland cement 60kg, phase transformation bulk waste material 30kg, powdery gives up
Expect 10kg, flyash 15kg, water 34kg, hydrogen peroxide 5.4kg, waterproof foam stabilizer 5kg, conditioning agent 0.008kg, toughened fiber
0.3kg。
5) water, waterproof foam stabilizer, conditioning agent and toughened fiber are placed in mixing plant first and stirred, add common silicic acid
The block waste material of salt cement, flyash, powdered scrap and phase transformation stirs, and then adds hydrogen peroxide and stirs rapidly, slurry is fallen
Enter mould foaming, cut after natural curing 1d after form removal, 2d, produce the described cement foamed insulation of materials recycling phase transformation
Plate.
Materials recycling phase transformation cement foaming insulation board obtained by the present embodiment is subjected to performance test, 2 are the results are shown in Table.
The performance test results of materials recycling phase transformation cement foaming insulation board made from the embodiment 2 of table 2
Embodiment 3
A kind of materials recycling phase transformation cement foaming insulation board, its preparation method comprises the following steps：
1) the bulk leftover pieces (cement foaming insulation board waste material) produced when cement foaming insulation board is cut carry out simple
Broken, the particle that sieve takes particle diameter to be 0.3~10mm is standby as solid waste, and the particle diameter collected cutting and produced when broken is less than
0.3mm cement foaming insulation board solid powder is standby as powdered scrap.
2) preparation of the block waste material of phase transformation：The preparation of phase transformation bulk waste material：By atoleine 100kg and solid paraffin
100kg is heated to 80 DEG C and melts and stir, and adds step 1) obtained by solid waste 100kg, constant temperature stirring at low speed is uniform
Natural cooling, obtains the block waste material of phase transformation afterwards.
3) preparation of waterproof foam stabilizer：305kg is added in stirring container and is heated to 65 DEG C, potassium hydroxide is then added
9kg, soda ash 3kg, 0.06 part of sodium fluoride are stirring evenly and then adding into rapidly stearic acid 50kg and stirred, and add cold water
600kg, is cooled to after room temperature and adds ammoniacal liquor 30kg and stir, obtain waterproof foam stabilizer.
4) each raw material is weighed by following weight proportion：Portland cement 55kg, phase transformation bulk waste material 25kg, powdery gives up
Expect 5kg, flyash 25kg, water 35kg, hydrogen peroxide 5.4kg, waterproof foam stabilizer 5kg, conditioning agent 0.008kg, toughened fiber
0.3kg。
5) water, waterproof foam stabilizer, conditioning agent and toughened fiber are placed in mixing plant first and stirred, add common silicic acid
The block waste material of salt cement, flyash, powdered scrap and phase transformation stirs, and then adds hydrogen peroxide and stirs rapidly, slurry is fallen
Enter mould foaming, cut after natural curing 1d after form removal, 2d, produce the described cement foamed insulation of materials recycling phase transformation
Plate.
Materials recycling phase transformation cement foaming insulation board obtained by the present embodiment is subjected to performance test, 3 are the results are shown in Table.
The performance test results of materials recycling phase transformation cement foaming insulation board made from the embodiment 3 of table 3
The above results show：Packaging phase change material (phase transformation bulk waste material) filling is prepared using cement foaming insulation board waste material
In cement foaming insulation board, it is set to possess certain latent heat, heat storage performance is improved, meanwhile, solid waste is obtained
Sufficiently recycle, without solid waste discharge in whole production, recycle waste material, realize clean manufacturing.
It the foregoing is only the preferred embodiment of the present invention, it is noted that come for one of ordinary skill in the art
Say, without departing from the concept of the premise of the invention, make some modifications and variations, these belong to the protection model of the present invention
Enclose.
Claims (6)
1. a kind of materials recycling phase transformation cement foaming insulation board, it is characterised in that it is by the raw material preparation of following parts by weight
Into：50~70 parts of cement, phase transformation 25~35 parts of waste material of bulk, 5~15 parts of powdered scrap, 5~25 parts of flyash, water 30~45
Part, 4~8 parts of hydrogen peroxide, 4~8 parts of waterproof foam stabilizer, 0.005~0.025 part of conditioning agent, 0.2~0.5 part of toughened fiber；
The block waste material of the phase transformation is prepared from by following methods：1) cement foaming insulation board waste material is crushed, is obtained particle diameter
For 0.3~10mm solid waste；2) by 7~13 part by weight of liquid paraffin and 7~13 parts by weight solids heating paraffins to 80~
85 DEG C melt and are well mixed, and are incubated and add the solid waste of 9~11 parts by weight, stir, after natural cooling, obtain described
The block waste material of phase transformation；
The powdered scrap is cement foaming insulation board wasted powder, and particle diameter is less than 0.3mm；
The conditioning agent is 100,000 viscosity cellulose ethers.
2. materials recycling phase transformation cement foaming insulation board according to claim 1, it is characterised in that the waterproof foam stabilizer
It is prepared from by the raw material of following parts by weight：45~55 parts of stearic acid, 8~10 parts of potassium hydroxide, 2~4 parts of soda ash, ammoniacal liquor 29
~31 parts, 0.06 part of sodium fluoride, 900~916 parts of water, specific preparation process is as follows：The water for accounting for water gross mass 1/3~2/5 is put
In stirring container, 60~65 DEG C are heated to, potassium hydroxide, soda ash, sodium fluoride is then added, after stirring and evenly mixing, added stearic
Acid simultaneously stirs；Then the water of residuals weight is added, after temperature is down to room temperature, ammoniacal liquor is added, stirs described
Waterproof foam stabilizer.
3. materials recycling phase transformation cement foaming insulation board according to claim 1, it is characterised in that the cement is 42.5
Number Portland cement.
4. materials recycling phase transformation cement foaming insulation board according to claim 1, it is characterised in that the toughened fiber is
Polypropylene fibre, particle diameter is 9~12mm.
5. materials recycling phase transformation cement foaming insulation board according to claim 1, it is characterised in that the hydrogen peroxide is work
Industry hydrogen peroxide, its mass concentration is 27.5%.
6. the preparation method of materials recycling phase transformation cement foaming insulation board according to any one of claims 1 to 5, its feature exists
In comprising the following steps：
1) raw material is weighed：Each raw material is weighed by following parts by weight, 50~70 parts of cement, phase transformation 25~35 parts of waste material of bulk,
5~15 parts of powdered scrap, 5~25 parts of flyash, 30~45 parts of water, 4~8 parts of hydrogen peroxide, 4~8 parts of waterproof foam stabilizer, conditioning agent
0.005~0.025 part, 0.2~0.5 part of toughened fiber；
2) water weighed, waterproof foam stabilizer, conditioning agent and toughened fiber are placed in mixing plant first and stirred, then add water
The block waste material of mud, flyash, powdered scrap and phase transformation stirs, and then adds hydrogen peroxide and stirs rapidly, gained slurry is fallen
Enter mould foaming, through natural curing, form removal, cutting, obtain described materials recycling phase transformation cement foaming insulation board.
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| CN106085366B (en) * | 2016-06-13 | 2020-01-21 | 河南大学 | Phase-change material, light phase-change honeycomb concrete plate and preparation method thereof |
| CN109796170A (en) * | 2019-01-16 | 2019-05-24 | 湖北大学 | A kind of phase transformation temp auto-controlled cement foaming insulation board and its production method |
| CN110627525A (en) * | 2019-10-17 | 2019-12-31 | 徐州工程学院 | Method for preparing temperature-control energy-saving heat-insulating material by utilizing waste concrete |
| CN115724619A (en) * | 2022-11-01 | 2023-03-03 | 潍坊中邦建设工程有限公司 | Insulating brick and preparation method thereof |
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| CN100387544C (en) * | 2006-08-02 | 2008-05-14 | 北京中远汇丽精细化工有限公司 | Phase change anticracking grout and preparation method of used phase change material particulate |
| CN101786841B (en) * | 2010-02-09 | 2011-08-17 | 信阳天意节能技术有限公司 | Inorganic composite phase-change energy storage foamed insulation board and preparation method thereof |
| CN102531533A (en) * | 2010-12-20 | 2012-07-04 | 武汉优特斯节能建材研究所 | Building foamed cement phase-change heat-preserving board (building block) and manufacturing method thereof |
| CN103449838B (en) * | 2013-08-28 | 2014-12-10 | 同济大学 | Foamed cement board taking foamed cement board leftovers as regenerated aggregates |
| CN104628420A (en) * | 2015-01-16 | 2015-05-20 | 济南大学 | Production method of waterproofing agent |
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