CN107619221A - A kind of method of 3D printing building structure wall - Google Patents
A kind of method of 3D printing building structure wall Download PDFInfo
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- CN107619221A CN107619221A CN201710799850.6A CN201710799850A CN107619221A CN 107619221 A CN107619221 A CN 107619221A CN 201710799850 A CN201710799850 A CN 201710799850A CN 107619221 A CN107619221 A CN 107619221A
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Abstract
The invention discloses a kind of method of 3D printing building structure wall, comprise the following steps：Discarded concrete powder, discarded brick powder are mixed, crushes, grinds, dry, add cement mixing and uniformly obtain first material；CNT, castor oil, water are mixed, heating stirring, spray drying, add formic acid, petroleum ether mixing, regulation temperature stirring, phosphoric acid solution is added dropwise, follow-up continuous stirring completely is added dropwise, hydrogen peroxide stirring, filtering is added dropwise, dry, addition water reducer, iron tailings, nano zircite, gypsum, cordierite, nanometer spherical ferroferric oxide magnetic powder are well mixed to obtain second material；Water is continued to stir, first material, second material, BMI are added in whipping process, continues stirring to viscous paste state, is then transferred to printing in 3D printing system and obtains building structure wall.
Description
Technical field
The present invention relates to 3D printing technique field, more particularly to a kind of method of 3D printing building structure wall.
Background technology
3D printing technique since the advent of the world, the production technology of all conglomeraties is changed rapidly, reached traditional handicraft and be difficult to
The production effect of realization.3D printing technique can make the cost of single product unrelated with its production quantity, and can carry out of product
Propertyization and customization produce, horizontal so as to reach the advanced manufacturing.
At present, the advantage of 3D printing technique embodies a concentrated reflection of industrial design field, more next in the advantage of building material field
More obvious, 3D printer construction material is raw material, the method using digital modeling and successively printed, meets various conventional or abnormity
The manufacturing demand of construction wall, but current 3D printing construction material is big due to weight be present, and structural stability is poor, cost
High technical problem, limits application.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of method of 3D printing building structure wall,
Raw material, energy-conserving and environment-protective are not only saved, and can targetedly meet building structure and ornamental demand, gained wall is tough
Property it is good, in light weight, caking property and crack resistance are high, and resistance to compression, rupture strength are extremely excellent, and the building structure obtained by 3D printing is steady
It is qualitative it is good, intensity is high.
A kind of method of 3D printing building structure wall proposed by the present invention, comprises the following steps：
S1, discarded concrete powder, discarded brick powder mixed, crush, grind, dry, added cement mixing and uniformly obtain the
One material；
S2, by CNT, castor oil, water mix, heating stirring, spray drying, add formic acid, petroleum ether mixing, adjust
Temperature stirring is saved, phosphoric acid solution is added dropwise, follow-up continuous stirring completely is added dropwise, hydrogen peroxide stirring is added dropwise, filters, dries, adds diminishing
Agent, iron tailings, nano zircite, gypsum, cordierite, nanometer spherical ferroferric oxide magnetic powder, which are well mixed, obtains second material；
S3, water continued to stir, first material, second material, BMI are added in whipping process, continues to stir
To viscous paste state, it is then transferred to printing in 3D printing system and obtains building structure wall.
Preferably, in S1,50-70 part discarded concretes powder, 30-60 parts are discarded brick powder and mixed by weight, crushes, grinds
Mill, dry, add 12-22 part cement mixings and uniformly obtain first material.
Preferably, in S2, CNT, castor oil, water are mixed, are warming up to 80-88 DEG C of stirring 5-15min, stirring speed
Spend and mixed for 2400-3000r/min, spray drying, addition formic acid, petroleum ether, adjust the temperature to 75-85 DEG C of stirring 20-
30min, dropwise addition concentration are 10-11mol/L phosphoric acid solutions, and follow-up continuous stirring 35-45min completely is added dropwise, and hydrogen peroxide stirring is added dropwise
2-4h, filter, dry, add water reducer, iron tailings, nano zircite, gypsum, cordierite, nanometer spherical ferroso-ferric oxide magnetic
Powder is well mixed to obtain second material.
Preferably, in S2,15-25 parts CNT, 30-40 parts castor oil, 20-30 parts water is mixed by weight, risen
Temperature spray drying, adds 4-10 parts formic acid, 40-50 to 80-88 DEG C of stirring 5-15min, mixing speed 2400-3000r/min
Part petroleum ether mixing, 75-85 DEG C of stirring 20-30min is adjusted the temperature to, it is 10-11mol/L phosphoric acid solutions that 2-4 parts concentration, which is added dropwise,
Complete follow-up continuous stirring 35-45min is added dropwise, 2-6 parts hydrogen peroxide stirring 2-4h is added dropwise, filters, dries, addition 1-2 parts water reducer,
15-25 parts iron tailings, 8-16 parts nano zircite, 4-12 parts gypsum, 15-25 parts cordierite, 15-22 parts nanometer spherical four aoxidize
Three ferromagnetic powders are well mixed to obtain second material.
Preferably, in S2, water reducer by calcium lignosulfonate, Ppolynuclear aromatic sodium sulfonate and sugar calcium water reducer one kind or
Two or more compositions.
Preferably, in S3,20-40 parts water is persistently stirred by weight, 50-80 the first things of part are added in whipping process
Material, 30-45 parts second material, 1-2 part BMIs, continue stirring to viscous paste state, be then transferred to 3D printing
Printing obtains building structure wall in system.
3D printing material is made using discarded concrete powder, discarded brick powder, cement as aggregate in the present invention, realizes discarded mixed
Coagulate native powder, discard recycling for brick powder, be a kind of green 3D printing material, not only save raw material, energy-conserving and environment-protective, Er Qieke
Targetedly meet building structure and ornamental demand；Wherein use condition is gentle, simple to operate, gained wall toughness
Good, caking property and crack resistance are high, and the building structure stability obtained by 3D printing is good, intensity is high.The present invention uses castor oil
To CNT processing, on the premise of loading is increased, it is not easy to reunite, and castor oil opens shape by Strong oxdiative processing double bond
It is not only active high into epoxy product, and there is extremely excellent dispersiveness, the first thing can effectively be promoted with water reducer compounding
Material disperses in water, and on the premise of mechanical property is ensured, bond strength height is in light weight, while resistance to compression, rupture strength are extremely excellent
It is different；And iron tailings, nano zircite, gypsum, cordierite, nanometer spherical ferroferric oxide magnetic powder coordinate, ensureing mechanical property
On the premise of, further enhance resistance to compression, rupture strength.
The present invention advanced 3D printing technique is perfectly combined with green construction material, by 3D printing technique be molded not by
The advantages of shape limits, produces different green building, meets the architectural design of specific demand, the present invention can expire
Some compound designs in sufficient building structure, allow construction wall fully loss of weight, but intensity is still very high, and send out just
The advantage of 3D printing technique is waved.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of method of 3D printing building structure wall, comprises the following steps：
S1, discarded concrete powder, discarded brick powder mixed, crush, grind, dry, added cement mixing and uniformly obtain the
One material；
S2, by CNT, castor oil, water mix, heating stirring, spray drying, add formic acid, petroleum ether mixing, adjust
Temperature stirring is saved, phosphoric acid solution is added dropwise, follow-up continuous stirring completely is added dropwise, hydrogen peroxide stirring is added dropwise, filters, dries, adds diminishing
Agent, iron tailings, nano zircite, gypsum, cordierite, nanometer spherical ferroferric oxide magnetic powder, which are well mixed, obtains second material；
S3, water continued to stir, first material, second material, BMI are added in whipping process, continues to stir
To viscous paste state, it is then transferred to printing in 3D printing system and obtains building structure wall.
Embodiment 2
A kind of method of 3D printing building structure wall, comprises the following steps：
S1,50 parts of discarded concrete powder, 60 parts of discarded brick powder are mixed by weight, crush, grind, dry, add 12
Part cement mixing uniformly obtains first material；
S2,25 parts of CNTs, 30 parts of castor oil, 30 parts of water are mixed by weight, are warming up to 80 DEG C of stirring 15min,
Mixing speed is 2400r/min, spray drying, adds 10 parts of formic acid, 40 parts of petroleum ether mixing, adjusts the temperature to 85 DEG C of stirrings
20min, it is 10mol/L phosphoric acid solutions that 4 parts of concentration, which are added dropwise, and follow-up continuous stirring 45min completely is added dropwise, and 2 parts of hydrogen peroxide stirrings are added dropwise
4h, filter, dry, add 1 part of calcium lignosulfonate, 25 parts of iron tailings, 8 parts of nano zircites, 12 parts of gypsum, 15 parts of violet green grass or young crops
Stone, 22 parts of nanometer spherical ferroferric oxide magnetic powders are well mixed and obtain second material；
S3,20 parts of water are persistently stirred by weight, 80 parts of first materials, 30 parts of second materials, 2 are added in whipping process
Part BMI, continue stirring to viscous paste state, be then transferred to printing in 3D printing system and obtain building structure
Wall.
Embodiment 3
A kind of method of 3D printing building structure wall, comprises the following steps：
S1,70 parts of discarded concrete powder, 30 parts of discarded brick powder are mixed by weight, crush, grind, dry, add 22
Part cement mixing uniformly obtains first material；
S2,15 parts of CNTs, 40 parts of castor oil, 20 parts of water are mixed by weight, are warming up to 88 DEG C of stirring 5min, stir
It is 3000r/min to mix speed, spray drying, adds 4 parts of formic acid, 50 parts of petroleum ether mixing, adjusts the temperature to 75 DEG C of stirrings
30min, it is 11mol/L phosphoric acid solutions that 2 parts of concentration, which are added dropwise, and follow-up continuous stirring 35min completely is added dropwise, and 6 parts of hydrogen peroxide stirrings are added dropwise
2h, filter, dry, add 2 parts of sugar calcium water reducers, 15 parts of iron tailings, 16 parts of nano zircites, 4 parts of gypsum, 25 parts of cordierites,
15 parts of nanometer spherical ferroferric oxide magnetic powders are well mixed to obtain second material；
S3,40 parts of water are persistently stirred by weight, 50 parts of first materials, 45 parts of second materials, 1 are added in whipping process
Part BMI, continue stirring to viscous paste state, be then transferred to printing in 3D printing system and obtain building structure
Wall.
Embodiment 4
A kind of method of 3D printing building structure wall, comprises the following steps：
S1,55 parts of discarded concrete powder, 50 parts of discarded brick powder are mixed by weight, crush, grind, dry, add 18
Part cement mixing uniformly obtains first material；
S2,22 parts of CNTs, 32 parts of castor oil, 28 parts of water are mixed by weight, are warming up to 82 DEG C of stirring 12min,
Mixing speed is 2600r/min, spray drying, adds 8 parts of formic acid, 42 parts of petroleum ether mixing, adjusts the temperature to 82 DEG C of stirrings
22min, it is 10.2mol/L phosphoric acid solutions that 3.5 parts of concentration, which are added dropwise, and follow-up continuous stirring 42min completely is added dropwise, 3 parts of hydrogen peroxide are added dropwise
3.5h is stirred, is filtered, is dried, adds 1 part of calcium lignosulfonate, 0.2 part of sugar calcium water reducer, 22 parts of iron tailings, 10 parts of nano oxygens
Change zirconium, 10 parts of gypsum, 18 parts of cordierites, 20 parts of nanometer spherical ferroferric oxide magnetic powders to be well mixed and obtain second material；
S3,25 parts of water are persistently stirred by weight, in whipping process add 70 parts of first materials, 35 parts of second materials,
1.8 parts of BMIs, continue stirring to viscous paste state, be then transferred to printing in 3D printing system and obtain building knot
Structure wall.
Embodiment 5
A kind of method of 3D printing building structure wall, comprises the following steps：
S1,65 parts of discarded concrete powder, 40 parts of discarded brick powder are mixed by weight, crush, grind, dry, add 20
Part cement mixing uniformly obtains first material；
S2,18 parts of CNTs, 38 parts of castor oil, 22 parts of water are mixed by weight, are warming up to 86 DEG C of stirring 8min, stir
It is 2800r/min to mix speed, spray drying, adds 6 parts of formic acid, 48 parts of petroleum ether mixing, adjusts the temperature to 78 DEG C of stirrings
28min, it is 10.8mol/L phosphoric acid solutions that 2.5 parts of concentration, which are added dropwise, and follow-up continuous stirring 38min completely is added dropwise, 5 parts of hydrogen peroxide are added dropwise
2.5h is stirred, is filtered, is dried, adds 0.6 part of calcium lignosulfonate, 0.6 part of Ppolynuclear aromatic sodium sulfonate, 0.6 part of sugar calcium diminishing
Agent, 18 parts of iron tailings, 14 parts of nano zircites, 6 parts of gypsum, 22 parts of cordierites, 18 parts of nanometer spherical ferroferric oxide magnetic powders mix
Conjunction uniformly obtains second material；
S3,35 parts of water are persistently stirred by weight, in whipping process add 60 parts of first materials, 40 parts of second materials,
1.2 parts of BMIs, continue stirring to viscous paste state, be then transferred to printing in 3D printing system and obtain building knot
Structure wall.
Embodiment 6
A kind of method of 3D printing building structure wall, comprises the following steps：
S1,60 parts of discarded concrete powder, 45 parts of discarded brick powder are mixed by weight, crush, grind, dry, add 19
Part cement mixing uniformly obtains first material；
S2,20 parts of CNTs, 35 parts of castor oil, 25 parts of water are mixed by weight, are warming up to 84 DEG C of stirring 10min,
Mixing speed is 2700r/min, spray drying, adds 7 parts of formic acid, 45 parts of petroleum ether mixing, adjusts the temperature to 80 DEG C of stirrings
25min, it is 10.5mol/L phosphoric acid solutions that 3 parts of concentration, which are added dropwise, and follow-up continuous stirring 40min completely is added dropwise, and 4 parts of hydrogen peroxide are added dropwise and stir
3h is mixed, is filtered, is dried, adds 1 part of calcium lignosulfonate, 0.5 part of Ppolynuclear aromatic sodium sulfonate, 20 parts of iron tailings, 12 parts of nanometers
Zirconium oxide, 8 parts of gypsum, 20 parts of cordierites, 19 parts of nanometer spherical ferroferric oxide magnetic powders are well mixed and obtain second material；
S3,30 parts of water are persistently stirred by weight, in whipping process add 65 parts of first materials, 38 parts of second materials,
1.5 parts of BMIs, continue stirring to viscous paste state, be then transferred to printing in 3D printing system and obtain building knot
Structure wall.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
- A kind of 1. method of 3D printing building structure wall, it is characterised in that comprise the following steps：S1, discarded concrete powder, discarded brick powder mixed, crush, grind, dry, add cement mixing and uniformly obtain the first thing Material；S2, by CNT, castor oil, water mix, heating stirring, spray drying, add formic acid, petroleum ether mixing, regulation temperature Degree stirring, is added dropwise phosphoric acid solution, and follow-up continuous stirring completely is added dropwise, and hydrogen peroxide stirring is added dropwise, filters, dries, adds water reducer, iron Mine tailing, nano zircite, gypsum, cordierite, nanometer spherical ferroferric oxide magnetic powder are well mixed to obtain second material；S3, water continued to stir, first material, second material, BMI are added in whipping process, continue stirring to viscous Property slurry state, be then transferred in 3D printing system printing and obtain building structure wall.
- 2. the method for 3D printing building structure wall according to claim 1, it is characterised in that in S1, by weight by 50- 70 parts of discarded concrete powder, the discarded brick powder of 30-60 parts are mixed, and crush, grind, dry, and addition 12-22 part cement mixings are uniform to be obtained To first material.
- 3. the method for 3D printing building structure wall according to claim 1 or claim 2, it is characterised in that in S2, by carbon nanometer Pipe, castor oil, water mixing, 80-88 DEG C of stirring 5-15min, mixing speed 2400-3000r/min are warming up to, is spray-dried, Formic acid, petroleum ether mixing are added, adjusts the temperature to 75-85 DEG C of stirring 20-30min, it is that 10-11mol/L phosphoric acid is molten that concentration, which is added dropwise, Liquid, be added dropwise completely follow-up continuous stirring 35-45min, be added dropwise hydrogen peroxide stirring 2-4h, filter, dry, add water reducer, iron tailings, Nano zircite, gypsum, cordierite, nanometer spherical ferroferric oxide magnetic powder are well mixed to obtain second material.
- 4. according to the method for any one of the claim 1-3 3D printing building structure walls, it is characterised in that in S2, by weight Measure part to mix 15-25 parts CNT, 30-40 parts castor oil, 20-30 parts water, be warming up to 80-88 DEG C of stirring 5-15min, stir It is 2400-3000r/min to mix speed, spray drying, adds 4-10 parts formic acid, the mixing of 40-50 parts petroleum ether, adjusts the temperature to 75-85 DEG C of stirring 20-30min, it is 10-11mol/L phosphoric acid solutions that 2-4 parts concentration, which is added dropwise, and follow-up continuous stirring 35- completely is added dropwise 45min, 2-6 parts hydrogen peroxide stirring 2-4h is added dropwise, filters, dries, add 1-2 parts water reducer, 15-25 parts iron tailings, 8-16 parts Nano zircite, 4-12 parts gypsum, 15-25 parts cordierite, 15-22 part nanometer sphericals ferroferric oxide magnetic powder are well mixed to be obtained Second material.
- 5. according to the method for any one of the claim 1-4 3D printing building structure walls, it is characterised in that in S2, diminishing Agent is made up of the one or more of calcium lignosulfonate, Ppolynuclear aromatic sodium sulfonate and sugar calcium water reducer.
- 6. according to the method for any one of the claim 1-5 3D printing building structure walls, it is characterised in that in S3, by weight Amount part persistently stirs 20-40 parts water, and 50-80 parts first material, 30-45 parts second material, 1-2 parts pair are added in whipping process Maleimide, continue stirring to viscous paste state, be then transferred to printing in 3D printing system and obtain building structure wall.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278154A (en) * | 2018-10-10 | 2019-01-29 | 深圳大学 | 3D printing clay solid brick rapid shaping control method |
| CN111484287A (en) * | 2020-04-15 | 2020-08-04 | 同济大学 | High-strength recycled concrete capable of being printed in 3D mode and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673578A (en) * | 2017-01-16 | 2017-05-17 | 河南国隆实业有限公司 | 3D printing building structure material and use method thereof |
| CN106800391A (en) * | 2017-01-22 | 2017-06-06 | 万玉君 | A kind of cement-base composite material for powder bonding 3D printing and the powder using the material bind 3D printing method |
-
2017
- 2017-09-07 CN CN201710799850.6A patent/CN107619221A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673578A (en) * | 2017-01-16 | 2017-05-17 | 河南国隆实业有限公司 | 3D printing building structure material and use method thereof |
| CN106800391A (en) * | 2017-01-22 | 2017-06-06 | 万玉君 | A kind of cement-base composite material for powder bonding 3D printing and the powder using the material bind 3D printing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278154A (en) * | 2018-10-10 | 2019-01-29 | 深圳大学 | 3D printing clay solid brick rapid shaping control method |
| CN111484287A (en) * | 2020-04-15 | 2020-08-04 | 同济大学 | High-strength recycled concrete capable of being printed in 3D mode and preparation method thereof |
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Application publication date: 20180123 |