CN109369139A - Based on MgO-MgCl2-H2The sand carving and preparation method of O cementitious material - Google Patents
Based on MgO-MgCl2-H2The sand carving and preparation method of O cementitious material Download PDFInfo
- Publication number
- CN109369139A CN109369139A CN201811488384.0A CN201811488384A CN109369139A CN 109369139 A CN109369139 A CN 109369139A CN 201811488384 A CN201811488384 A CN 201811488384A CN 109369139 A CN109369139 A CN 109369139A
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- China
- Prior art keywords
- mgo
- mgcl
- sand
- carving
- cementitious material
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/30—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00956—Uses not provided for elsewhere in C04B2111/00 for making sculptures or artistic casts
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention discloses one kind to be based on MgO-MgCl2‑H2The sand carving and preparation method of O cementitious material.The production method includes: to be uniformly mixed magnesium chloride solution, magnesia and fine sand, forms MgO-MgCl2‑H2O is gelled husky mixing, and the mass ratio of the magnesium chloride solution and magnesia is 2~10:1, and the mass ratio of fine sand and magnesia is 10~20:1；By the MgO-MgCl2‑H2O is gelled in husky mixing filling sand carving mold, and compacting molding, demoulding is made and is based on MgO-MgCl2‑H2The sand carving of O cementitious material.The present invention is with MgO-MgCl2‑H2O cementitious material is that binder makes sand carving, production method is low in cost, performance is stable, Resistance to wind Erosion is strong, easy construction, it is easy to long-term preservation and movement, the obtained sand carving holding time is long, sandy sense is strong, and the function admirables such as weatherability, anticorrosive, weathering resistance, visual impression are strong, are easy to save and carry.
Description
Technical field
The present invention relates to a kind of sand carving manufacture crafts, more particularly to one kind to be based on MgO-MgCl2-H2O cementitious material is bonding
Sand carving of agent and preparation method thereof belongs to sand carving manufacture technology field.
Background technique
Sand carving is a kind of using husky and water as raw material, by heap, the means such as quarter, carves, draws and be moulded into, sprays using appearance specific
Glue is reinforced.Sand carving is mainly characterized by that volume is big, weight is big, easily disperses, is difficult to save and move, after works completion
Specific glue is sprayed by surface to reinforce.But in the production of the existing sand carving art work, works spray special by surface after completing
The glue of system is reinforced, or binder is added in the production process.Most widely used moulding sand binder is clay, be can also be used each
Kind drying oil or semi-drying oil, water-soluble silicate or phosphate and various synthetic resin make moulding sand binder.But these are viscous
The sand carving or glueing material of tying agent production are the sand carving of latex, it is easy to weathering, after drenching with rain and enduring cold, sand carving be easy by
Damage, is easy to crack occur, influences its ornamental value, beauty, and artistic value reduces.
At present with MgO-MgCl2-H2O gelling system is that the application of the sand carving of binder has not been reported so far.Publication No.
The patent of CN102152701A discloses a kind of durable sand sculpture process, and gypsum and fine sand are mixed in a certain ratio, spraying
On the surface of the sand carving art work.The principle that this method utilizes is magnesium chloride brine and oxygen in preparing sand carving mixture process
Change magnesium powder and be mixed into slurry, wherein chemically reacting, produces highly basic magnesium hydroxide；The slurry and water sand mix, send out
Chemical reaction between magnesium hydroxide and calcium carbonate, silica produces air-setting substance, and the main component after solidification is carbon
Sour magnesium and calcium carbonate.But the sand carving stability and durability of this method production are poor.
Summary of the invention
The main purpose of the present invention is to provide one kind to be based on MgO-MgCl2-H2O cementitious material be binder sand carving and
Its production method, with overcome the deficiencies in the prior art.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes:
The embodiment of the invention provides one kind to be based on MgO-MgCl2-H2The production method of the sand carving of O cementitious material, packet
It includes:
Magnesium chloride solution, magnesia and fine sand are uniformly mixed, MgO-MgCl is formed2-H2The husky mixing of O gelling, wherein institute
The mass ratio of magnesium chloride solution and magnesia is stated as 2~10:1, the mass ratio of the fine sand and magnesia is 10~20:1；
By the MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting molding, demoulding is made and is based on MgO-
MgCl2-H2The sand carving of O cementitious material.
The embodiment of the invention also provides by preceding method make based on MgO-MgCl2-H2The sand carving of O cementitious material.
Compared with prior art, the invention has the advantages that
1) present invention is with MgO-MgCl2-H2O cementitious material is binder, based on sea sand, river sand, mine sand, Desert Sand etc.
Material is wanted to make sand carving.The method is low in cost, performance is stable, Resistance to wind Erosion is strong, easy construction, is easy to long-term preservation and shifting
It is dynamic, it has broad application prospects in sand carving art engineering；
2) chinese raw materials of the present invention is inorganic material (magnesia, magnesium chloride, fine sand), not can cause environmental pollution or breaks
It is bad, belong to environmentally protective sand carving, ingredient is convenient, is easy to make, and construction is carried out in situ, and saves a large amount of human and material resources；
3) due to binder of the present invention be gelled phase MgO-MgCl2-H2O system, raw material are magnesium salts (MgCl2), there is height
Corrosion resistance (saline and alkaline), highly resistance freeze thawing, in desert area especially the high and cold, temperature difference is big, salty area has excellent performance
Advantage；
4) due to MgO-MgCl2-H2O cementitious material has high intensity, workability good, fast compared to other chemical adhesives
The advantages that speed solidifies, is corrosion-resistant, therefore a small amount of MgO-MgCl2-H2O cementitious material binder (content can reach < 10%) is just
Fixed function can be played, while will not influence the visual impression of the sand carving art work；
5) construction technology of the present invention is simple, low in cost, and the obtained sand carving holding time is long, sandy sense is strong, weatherability, anti-
The function admirables such as burn into weathering resistance, visual impression are strong, are easy to save and carry, can the significant increase sand carving art work value.
Detailed description of the invention
Fig. 1 is a kind of based on MgO-MgCl in a typical embodiments of the invention2-H2O cementitious material is the sand carving of binder
Production method flow diagram.
Specific embodiment
As previously mentioned, inventor is studied for a long period of time and largely practiced in view of many deficiencies in the prior art, it is able to
It is proposed technical solution of the present invention.The technical solution, its implementation process and principle etc. will be further explained as follows.
The gel rubber system is by active MgO and certain density MgCl2A kind of MgO-MgCl of solution composition2-H2O gelling
Material, the material have gelling property is strong, workability is good, anti-high and low-temp performance, all had in megathermal climate and harsh climate
Stability will not influence its stability because of the variation of weather, and weatherability is also very excellent.With MgO-MgCl2-H2O glue
Gel material mixes for binder and a certain amount of sea sand, river sand, mine sand, Desert Sand etc. can prepare sand carving, it has low in cost, property
Energy is stablized, Resistance to wind Erosion is strong, easy construction, is easy to long-term preservation and mobile advantage.
The present invention is based on MgO-MgCl2-H2The plurality of advantages of O cementitious material is used for sand carving manufacture craft.Specific technology
Process are as follows: magnesium chloride solution (magnesium chloride and water are configured to concentration as 15~35 Baume degrees), magnesia powder and sea sand, river sand, mine
Husky, Desert Sand mixes in proportion, then by this mixing material, inserts in mold, then through forming processes, make sand carving, it can be achieved that
Sand carving fabrication processing is simplified, its artistic original appearance, the artistic value of significant increase sand carving are fully demonstrated.
Refering to Figure 1, the one aspect of the embodiment of the present invention provides one kind based on MgO-MgCl2-H2O gelling material
Material is the production method of the sand carving of binder comprising:
Magnesium chloride solution, magnesia and fine sand are uniformly mixed, MgO-MgCl is formed2-H2The husky mixing of O gelling, wherein institute
The mass ratio of magnesium chloride solution and magnesia is stated as 2~10:1, the mass ratio of the fine sand and magnesia is 10~20:1；
By the MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting molding, demoulding is made and is based on MgO-
MgCl2-H2The sand carving of O cementitious material.
Cardinal principle of the invention are as follows: activated magnesia occurs hydration reaction after mixing with magnesium chloride brine and generates chlorine oxygen
Change magnesium, oxychloride magnesium forms the MgO-MgCl with cross-linked structure again2-H2O gelling system, the gelling system have stronger viscous
Knot property and intensity, and be easy to multiple material and bonded, increase the stability and durability of sand carving.
In some embodiments, the concentration of the magnesium chloride solution is 15~35 Baume degrees.
In some embodiments, the production method includes: to be uniformly mixed magnesium chloride with water, and forming concentration is 15~35
The magnesium chloride solution of Baume degrees.
Chinese raw materials of the present invention is inorganic material (magnesia, magnesium chloride, fine sand), not can cause environmental pollution or breaks
It is bad, belong to environmentally protective sand carving.
In some embodiments, the magnesia can be light-magnesite powder, caustic dolomite powder, mineral and contain after smelting
Have oxidation magnesium component slag etc., especially preferably caustic dolomite powder be raw material MgO-MgCl2-H2O gelling binder.
Further, the fine sand include that sea sand, river sand, mine be husky and Desert Sand etc. in any one or it is two or more
Combination, but not limited to this.
Further, the MgO-MgCl2-H2It further includes doping filler that O, which is gelled in husky mixing, and the doping filler can be with
Including any one or the two or more combinations in the various raw materials such as soil, slag and plant fiber, but not limited to this.
Further, the MgO-MgCl2-H2O, which is gelled in husky mixing, can also be added coagulant, and it is solidifying that rush can also be added
The modifying agent such as agent, to realize the adjusting of rate of setting.
In some particularly preferred embodiments, the production method includes: by the MgO-MgCl2-H2O gelling is husky mixed
In material filling sand carving mold, compacting demoulds after standing 6~8h, after can be prepared by based on MgO-MgCl2-H2O cementitious material is viscous
Tie the sand carving of agent.
Wherein, as more specifically one of embodiment, the production method specifically includes the following steps:
1) by magnesium chloride (MgCl2) and water (H2O it) is made into magnesium chloride solution (15-35 Baume degrees) by a certain percentage；
2) magnesium chloride solution, magnesia, fine sand that step 1) is obtained are mixed in a certain ratio, stir MgO- is made
MgCl2-H2O gelling base sand mixing；The mass ratio of general magnesium chloride solution and magnesia is 2~10:1, the fine sand and magnesia
Mass ratio be 10~20:1；
3) MgO-MgCl for being obtained step 2)2-H2The husky mixing of O gelling is fitted into sand sculpture process product mold, is tamped, 6~8
It is demoulded after hour, durable sand sculpture can be become.
The other side of the embodiment of the present invention is additionally provided by preceding method production based on MgO-MgCl2-H2O gelling
Material is the sand carving of binder.
Further, described to be based on MgO-MgCl2-H2O cementitious material is that the form of the sand carving of binder can be varied.
Since binder of the present invention is MgO-MgCl2-H2O cementitious material, the material have high corrosion resistance (saline and alkaline), height
Freeze-thaw resistance, in desert area especially the high and cold, temperature difference is big, salty area has excellent performance advantage.
Due to MgO-MgCl2-H2O cementitious material has high intensity, workability good, quick compared to other chemical adhesives
The advantages that solidifying, be corrosion-resistant, therefore a small amount of MgO-MgCl2-H2O gelling binder (content can reach < 10%) can be played
Fixed function, while will not influence the visual impression of the sand carving art work.
To sum up, the present invention made by based on MgO-MgCl2-H2O cementitious material is the sand carving of binder, more other sand carvings
Function admirables, the visual impressions such as craftwork its weatherability, anticorrosive, weathering resistance are strong, are easy to save and carry.
Below by way of several embodiments and in conjunction with the attached drawing technical solution that present invention be described in more detail.However, selected
Embodiment be merely to illustrate the present invention, and do not limit the scope of the invention.
Embodiment 1
1. taking appropriate magnesium chloride soluble in water, so that the concentration of obtained magnesium chloride solution is 25 Baume degrees.
2. light calcined magnesia powder raw material (30kg) is taken to be uniformly mixed with desert fine sands (450kg).
3. magnesium chloride solution (90kg) is added in the mixture of step 2, it is stirred into MgO-MgCl2-H2O gelling is husky
Mixing.
4. by MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting demoulds after 6 hours, can become resistance to
Long property sand carving.
Embodiment 2
1. taking appropriate magnesium chloride soluble in water, so that the concentration of obtained magnesium chloride solution is 15 Baume degrees.
2. caustic dolomite powder raw materials of magnesium oxide (30kg) is taken to be uniformly mixed with desert fine sands (300kg).
3. magnesium chloride solution (120kg) is added in the mixture of step 2, it is stirred into MgO-MgCl2-H2O gelling is husky
Mixing.
4. by MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting demoulds after 8 hours, can become resistance to
Long property sand carving.
Embodiment 3
1. taking appropriate magnesium chloride soluble in water, so that the concentration of obtained magnesium chloride solution is 35 Baume degrees.
2. caustic dolomite powder raw materials of magnesium oxide (30kg) is taken to be uniformly mixed with desert fine sands (500kg).
3. magnesium chloride solution (60kg) is added in the mixture of step 2, it is stirred into MgO-MgCl2-H2O gelling is husky
Mixing.
4. by MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting demoulds after 7 hours, can become resistance to
Long property sand carving.
Embodiment 4
1. taking appropriate magnesium chloride soluble in water, so that the concentration of obtained magnesium chloride solution is 22 Baume degrees.
2. caustic dolomite powder raw materials of magnesium oxide (30kg) is taken to be uniformly mixed with desert fine sands (400kg).
3. magnesium chloride solution (60kg) is added in the mixture of step 2, it is stirred into MgO-MgCl2-H2O gelling is husky
Mixing.
4. by MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting demoulds after 8 hours, can become resistance to
Long property sand carving.
Embodiment 5
1. taking appropriate magnesium chloride soluble in water, so that the concentration of obtained magnesium chloride solution is 15 Baume degrees.
2. light calcined magnesia powder raw material (30kg) is taken to be uniformly mixed with desert fine sands (600kg).
3. magnesium chloride solution (300kg) is added in the mixture of step 2, it is stirred into MgO-MgCl2-H2O gelling is husky
Mixing.
4. by MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting demoulds after 8 hours, can become resistance to
Long property sand carving.
In conclusion the present invention is with MgO-MgCl2-H2O cementitious material is binder, with sea sand, river sand, mine sand, Desert Sand
Sand carving is made Deng for main material.The method is low in cost, performance is stable, Resistance to wind Erosion is strong, easy construction, is easy to protect for a long time
It deposits and moves, have broad application prospects in sand carving art engineering.
In addition, inventor also refers to the mode of embodiment 1-5, with the other raw materials and condition listed in this specification
It etc. being tested, and has equally been made there are the function admirables such as weatherability, anticorrosive, weathering resistance, visual impression is strong, is easy to save
With carrying based on MgO-MgCl2-H2O cementitious material is the sand carving of binder.
It should be understood that the technical concepts and features of above-described embodiment only to illustrate the invention, ripe its object is to allow
The personage for knowing technique cans understand the content of the present invention and implement it accordingly, and protection model of the invention can not be limited with this
It encloses.Any equivalent change or modification in accordance with the spirit of the invention should be covered by the protection scope of the present invention.
Claims (10)
1. one kind is based on MgO-MgCl2-H2The production method of the sand carving of O cementitious material, characterized by comprising:
Magnesium chloride solution, magnesia and fine sand are uniformly mixed, MgO-MgCl is formed2-H2The husky mixing of O gelling, wherein the chlorine
Change the mass ratio of magnesium solution and magnesia as 2~10:1, the mass ratio of the fine sand and magnesia is 10~20:1；
By the MgO-MgCl2-H2O is gelled in husky mixing filling sand carving mold, and compacting molding, demoulding is made and is based on MgO-
MgCl2-H2The sand carving of O cementitious material.
2. manufacturing method according to claim 1, it is characterised in that: the MgO-MgCl2-H2O cementitious material is by activity
MgO and MgCl2Solution composition.
3. manufacturing method according to claim 1, it is characterised in that: the concentration of the magnesium chloride solution is 15~35 Baumes
Degree；Preferably, the production method includes: to be uniformly mixed magnesium chloride with water, forms the chlorination that concentration is 15~35 Baume degrees
Magnesium solution.
4. manufacturing method according to claim 1, it is characterised in that: the magnesia includes light-magnesite powder, causticity
Any one in slag containing oxidation magnesium component or two or more combinations after dolomite dust, mineral are smelted.
5. manufacturing method according to claim 1, it is characterised in that: the fine sand includes sea sand, river sand, mine sand and desert
Any one in sand or two or more combinations.
6. manufacturing method according to claim 1, it is characterised in that: the MgO-MgCl2-H2O is gelled in husky mixing and also wraps
Include doping filler.
7. production method according to claim 6, it is characterised in that: the doping filler includes that soil, slag and plant are fine
Any one in dimension or two or more combinations.
8. manufacturing method according to claim 1, which is characterized in that the MgO-MgCl2-H2O is gelled in husky mixing and also wraps
Include coagulant and/or coagulant.
9. manufacturing method according to claim 1, characterized by comprising: by the MgO-MgCl2-H2The husky mixing of O gelling
It inserts in sand carving mold, compacting demoulds after standing 6~8h, can be prepared by based on MgO-MgCl2-H2The sand carving of O cementitious material.
10. by the production of any one of claim 1-9 the method based on MgO-MgCl2-H2The sand carving of O cementitious material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811488384.0A CN109369139A (en) | 2018-12-06 | 2018-12-06 | Based on MgO-MgCl2-H2The sand carving and preparation method of O cementitious material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488384.0A CN109369139A (en) | 2018-12-06 | 2018-12-06 | Based on MgO-MgCl2-H2The sand carving and preparation method of O cementitious material |
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| Publication Number | Publication Date |
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| CN109369139A true CN109369139A (en) | 2019-02-22 |
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ID=65376167
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5004505A (en) * | 1988-11-04 | 1991-04-02 | Cac, Inc. | Magnesium oxychloride cement compositions and methods for manufacture and use |
| US5110361A (en) * | 1988-11-04 | 1992-05-05 | Cac, Inc. | Magnesium oxychloride cement compositions and methods for manufacture and use |
| CN102152701A (en) * | 2010-12-31 | 2011-08-17 | 卢云山 | Durable sand sculpture process |
| CN103342534A (en) * | 2013-06-13 | 2013-10-09 | 中北大学 | Sculpture material containing loess |
| CN105950157A (en) * | 2016-07-27 | 2016-09-21 | 松田勤 | Environment-friendly inorganic soil solidification additive |
| CN106747248A (en) * | 2017-03-16 | 2017-05-31 | 中国科学院青海盐湖研究所 | A kind of is the sand-fixation method of binding agent based on magnesia oxychloride cement |
-
2018
- 2018-12-06 CN CN201811488384.0A patent/CN109369139A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5004505A (en) * | 1988-11-04 | 1991-04-02 | Cac, Inc. | Magnesium oxychloride cement compositions and methods for manufacture and use |
| US5110361A (en) * | 1988-11-04 | 1992-05-05 | Cac, Inc. | Magnesium oxychloride cement compositions and methods for manufacture and use |
| CN102152701A (en) * | 2010-12-31 | 2011-08-17 | 卢云山 | Durable sand sculpture process |
| CN103342534A (en) * | 2013-06-13 | 2013-10-09 | 中北大学 | Sculpture material containing loess |
| CN105950157A (en) * | 2016-07-27 | 2016-09-21 | 松田勤 | Environment-friendly inorganic soil solidification additive |
| CN106747248A (en) * | 2017-03-16 | 2017-05-31 | 中国科学院青海盐湖研究所 | A kind of is the sand-fixation method of binding agent based on magnesia oxychloride cement |
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