CN104671705A - Artificial stone manufactured by utilizing two-alkali-method salty mud - Google Patents
Artificial stone manufactured by utilizing two-alkali-method salty mud Download PDFInfo
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- CN104671705A CN104671705A CN201510047489.2A CN201510047489A CN104671705A CN 104671705 A CN104671705 A CN 104671705A CN 201510047489 A CN201510047489 A CN 201510047489A CN 104671705 A CN104671705 A CN 104671705A
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- rostone
- mass content
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- alkaline process
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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 belongs to the field of environmental protection and the technical field of resource utilization of solid wastes, and in particular relates to a technology for manufacturing an artificial stone by utilizing this kind of solid waste residues, such as two-alkali-method salty mud, generated in a brine purification process of a salt making enterprise. According to the invention, the two-alkali-method salty mud is slightly pre-processed and used as an inorganic filler used for manufacturing the artificial stone; furthermore, in the two-alkali-method salty mud, the mass content of CaCO3 is strictly controlled to be 90-96.5%; the mass content of NaCl is strictly controlled to be 0.5-1.5%; the mass content of Mg(OH)2 is strictly controlled to be 0.5-1.5%; the mass content of CaSO4 is strictly controlled to be 1.5-4%; the mass content of other impurities is strictly controlled to be 1.0-3.0%; the artificial stone can be reinforced by the two-alkali-method salty mud; and therefore, the use amount of quartz sand as a reinforcing material is saved.
Description
Technical field
The invention belongs to field of environment protection and solid waste resource recovery utilizes technical field, this kind of solid slag of two alkaline process salt slurries particularly will produced in salt making enterprises bittern purifying process, prepares the technology of rostone.
Background technology
Bittern purifying technique is that Salt Industry improves purified salt product purity, reduces foreign matter content in salt, improves a critical process of product salt whiteness, is improve the salt making enterprises operational use time, extension device work-ing life, reduces an important procedure of energy consumption; Be improve comprehensive resource utilization rate, be used in one of important measures of salt chemical engineering production; That Salt Industry reduces one of important channel of production cost.
Two alkaline process bittern purifyings utilize soda ash (Na
2cO
3) by the Ca in bittern
2+with CaCO
3precipitation forms removes, and utilizes caustic soda (NaOH) by the Mg in bittern
2+, with Mg (OH)
2precipitation removing.The primitive reaction formula of two alkaline process is as follows:
Ca
2++CO
3 2-→CaCO
3↓
2OH
-+Mg
2+→Mg(OH)
2↓
From reaction mechanism, after two alkaline reactions, salt slurry main component is CaCO
3, in addition also containing a small amount of NaCl, Mg (OH)
2and CaSO
4.
Rostone for major ingredient with resin and filler, is added initiator, promotor, dyestuff etc. and is jointly formed complete rostone.Resin for the production of rostone mainly contains polymethylmethacrylate (PMMA) and unsaturated polyester resin etc.According to product category, the difference of purposes and character, filler accounts for the 55%-80% of formula total amount, and they are inorganics normally, is not react with in rostone, but increases product strength.The material that optimum is used as rostone filler is aluminium hydroxide and Paris white.Calcium carbonate is a kind of white crystal or powder, have the solid texture of stone material, and Calcium carbonate ore is more cheap than aluminium hydroxide with the rostone that it is produced, and is now widely used rostone filler.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of two alkaline process salt slurries that adopt to originate as calcium carbonate, prepare the technical scheme of rostone.When two alkaline process salt slurries are used as raw material use, do not need too carefully to be cleaned, retain NaCl in addition to the calcium carbonate, Mg (OH) in two alkaline process salt slurries to a certain extent
2and CaSO
4micro substance, finds after deliberation, when in calcium carbonate with certain content doping NaCl, Mg (OH)
2and CaSO
4during this 3 kinds of micro substances, certain strengthening effect can be played to the rostone of follow-up preparation, thus the consumption of quartz sand in rostone preparation process can be saved.
The concrete technical scheme that the present invention adopts is: a kind of rostone utilizing two alkaline process salt slurries to manufacture, and each component of rostone is calculated as by weight,
Wherein, as the two alkaline process salt slurries in calcium carbonate source, in rostone preparation process, serve as mineral filler, and play the effect reduced costs.After two alkaline reactions terminate, salt slurry is 20 ~ 80 μm through washing, drying, be crushed to grain diameter, and in water washing process, (by the mode removed or add) controls CaCO in two alkaline process salt slurries
3mass content be 90 ~ 96.5%, NaCl mass content be 0.5 ~ 1.5%, Mg (OH)
2mass content is 0.5 ~ 1.5%, CaSO
4mass content be 1.5 ~ 4%, the mass content of other impurity (silicon-dioxide) is 1.0 ~ 3.0%, shows after deliberation, when in salt slurry, micro substance content is in above-mentioned scope, can farthest to preparation rostone play strengthening effect;
Resin plays binding agent, mineral filler and quartz sand can be combined, generate fine and close and intensity is large rostone after sclerosis, above-mentioned resin is one or more hybrid resins in unsaturated polyester, epoxy resin, polymethylmethacrylate and urethane resin;
Quartz sand plays the effect of skeleton, significantly can improve the performance index such as the compressive strength of rostone, flexural strength, Mohs' hardness and the coefficient of expansion, above-mentioned quartz sand is one or more in 26 ~ 40 order quartz sands, 40 ~ 90 order quartz sands, 90 ~ 100 order quartz sands, 325 order quartz sands;
The effect of promotor, can improve activity of curing reaction, reduces solidification value, accelerates curing reaction speed, improves condensate performance, reduces costs, and above-mentioned promotor is cobalt system, the organic salt of vanadium system or manganese system metal, tertiary amines, quaternary amine or mercaptan;
In the molecule of coupling agent, there is the reactive group that can combine with inorganic materials (as quartz, calcium carbonate, metal etc.) and the reactive group combined with organic materials (as synthetic resins etc.) simultaneously, dispersed and the tackiness of mineral filler and quartz sand can be improved, thus stablize the quality of rostone, and boundary strength and the performance of rostone can also be improved, above-mentioned coupling agent is one or more the mixture in organo silane coupling agent or titanate coupling agent;
The effect of solidifying agent, can be cross-linked with matrix resin, form netted space polymer, matrix material aggregate envelope among reticulate body, make the build solid that line style resin becomes tough and tensile, above-mentioned solidifying agent is one or more the mixture in quadrol, Diethylenetriaminee (DETA), benzene dimethylamine, mphenylenediamine, diamino diphenyl sulfone, beta-hydroxyethyl quadrol, imidazoles, glyoxal ethyline, MALEIC ANHYDRIDE, Tetra hydro Phthalic anhydride, poly-nonane diacid acid anhydride, sebacic dihydrazide;
Above-mentioned pigment is one or more the mixture in titanium dioxide, iron mica, chrome yellow, barba hispanica, cadmium red, cadmium yellow, zinc sulfide white, carbon black, red iron oxide, iron oxide green and iron oxide yellow.
Present invention also offers a kind of preparation technology of above-mentioned rostone:
First prepare two alkaline process salt slurries: after two alkaline reactions terminate, salt slurry is 20 ~ 80 μm through washing, drying, be crushed to grain diameter, and in water washing process, controls CaCO in two alkaline process salt slurries
3mass content be 90 ~ 96.5%, NaCl mass content be 0.5 ~ 1.5%, Mg (OH)
2mass content is 0.5 ~ 1.5%, CaSO
4mass content be 1.5 ~ 4%, the mass content of other impurity (mainly referring to silicon-dioxide) is 1.0 ~ 3.0%, and remaining preparation technology is:
(1) above-mentioned two alkaline process salt slurries and other components are mixed by batch mixing: by formula;
(2) suppress: the mixed material obtained in step (1) is built shaping, or by the mixed material transfer that obtains in step (1) to vacuum press compression moulding,
In vacuum press, setting vacuum tightness is less than or equal to-0.09mpa;
(3) curing conservation: the sheet material of compression moulding in step (2) is moved to baking and curing in high hot house,
Curing operation is divided into primary solidification and after fixing, and envrionment temperature during primary solidification remains on 40 ~ 100 DEG C, primary solidification time 1 ~ 3h; Envrionment temperature during after fixing remains on 80 DEG C ~ 140 DEG C, rear curing time 2 ~ 8h;
(4) demoulding, fixed thick, polishing, packaging, obtain finished product.
According to technique scheme, the present invention compared with prior art has following advantages and effect:
The present invention is by two alkaline process salt slurry pre-treatments slightly, as mineral filler, be applied to and prepare rostone, salt slurry is turned waste into wealth, achieve the recycle of salt slurry resource, other mineral fillers such as the relative Paris white of two alkaline process salt slurries, cost significantly reduces, and can reduce the cost of rostone after adding rostone;
Two alkaline process salt slurries, as rostone filler, can improve the visual appearance of rostone, reduce the pore in rostone and crackle, in the water washing process of pre-treatment, control CaCO in two alkaline process salt slurries
3mass content be 90 ~ 96.5%, NaCl mass content be 0.5 ~ 1.5%, Mg (OH)
2mass content is 0.5 ~ 1.5%, CaSO
4mass content be 1.5 ~ 4%, the mass content of other impurity (mainly referring to silicon-dioxide) is 1.0 ~ 3.0%, can play strengthening effect, save the consumption of the quartz sand as reinforcement material to rostone;
Rostone production method provided by the invention, the rostone quality made is through national stone testing Spot detection, and indices all meets DB44/T 768-2010 " resin type artificial slabstone " standard, and rostone quality prepared by two alkaline process salt slurries is qualified.
Embodiment
Below by specific examples, the present invention is described further, and following explanation is only play explanation effect, does not limit its content.
In each embodiment, the composition of raw materials of rostone is as shown in table 1:
Table one: two alkaline process salt slurries prepare rostone formula
Salt slurry used in embodiment 1-embodiment 5 in table 1, after two alkaline reactions terminate, is 20 ~ 80 μm through once simply washing, drying, be crushed to grain diameter, and all in water washing process, controls CaCO in salt slurry
3mass content be 90 ~ 96.5%, NaCl mass content be 0.5 ~ 1.5%, Mg (OH)
2mass content is 0.5 ~ 1.5%, CaSO
4mass content be 1.5 ~ 4%, the mass content of other impurity (silicon-dioxide) is 1.0 ~ 3.0%; And salt slurry used in comparative example 1-4, through repeatedly washing, or washing degree is not enough, and the content of wherein part or all of micro substance is not in above-mentioned scope.The concrete composition of the salt slurry adopted in each embodiment, comparative example in table 1 is as shown in table 2:
Table 2: the concrete composition of the salt slurry adopted in each embodiment, comparative example in table 1
The grating of the quartzite adopted in each embodiment, comparative example in table 1 is 26 ~ 40 order quartz sands: 40 ~ 90 order quartz sands: 90 ~ 100 order quartz sands: 325 order quartz sand=4:1:1:2;
In table 1, in each embodiment, comparative example, the preparation technology of rostone is:
According to the ingredient proportion of each embodiment, comparative example, resin, pigment, promotor, coupling agent, solidifying agent are dropped into high-speed stirring in resin agitating tank, dispersion 30min; The two alkaline process salt slurries handled well are added and quartz sand is expected admittedly in vacuum mixer, and even in in-tank mixing; Then the liquid materials such as scattered resin are transferred in solid materials, continue to be mixed to evenly.By mixed material vacuum cloth, enter vacuum press, first vibration dispersion, then vacuum extracts the pore (vacuum tightness-0.05MPa) in material out, simultaneously with 50T pressure compacting 7min.Proceeded to by material after compacting in high temperature molecule stable room to dry and stablize, make it solidify, envrionment temperature during primary solidification remains on 80 DEG C, time 2h; Envrionment temperature during after fixing temperature remains on 100 DEG C, time 3h.After solidification, artificial slabstone is carried out the demoulding, fixed thick, through polishing, the obtained finished product of packaging.
Table 3: in table 1 in each embodiment, comparative example, two alkaline process salt slurries prepare rostone quality measurements
Note: 1: during compressive strength detects, sample is with reference to GB/T 18601-2009/6.4.2 process, and after adopting cutting polishing, the method for superposition bonding reaches specified dimension, and wherein after freeze-thaw cycle, compressive strength sample number of freezing and thawing is 10 times.
2: resistance to chemical attack classification is as follows:
C
4level: corrode through the acid of 8h ± 30min or alkali, gloss percent retension (allow wherein have 60% ~ 80%) more than 80%.
C
3level: through acid and the erosion of 1h ± 5min alkali of 8h ± 30min, gloss percent retension is 60% ~ 80%.
C
2level: through alkali and 1h ± 5min acid attack of 8h ± 30min, gloss percent retension is 60% ~ 80%.
C
1level: through acid or the alkali erosion of 8h ± 30min, gloss percent retension is below 60%.
Claims (10)
1. the rostone utilizing two alkaline process salt slurries to manufacture, is characterized in that: each component of described rostone is calculated as by weight,
。
2. the rostone utilizing two alkaline process salt slurries to manufacture as claimed in claim 1, is characterized in that: in two described alkaline process salt slurries, CaCO
3mass content be 90 ~ 96.5%, NaCl mass content be 0.5 ~ 1.5%, Mg (OH)
2mass content is 0.5 ~ 1.5%, CaSO
4mass content be 1.5 ~ 4%, the mass content of other impurity is 1.0 ~ 3.0%.
3. the rostone utilizing two alkaline process salt slurries to manufacture as claimed in claim 1, is characterized in that: described resin is one or more hybrid resins in unsaturated polyester, epoxy resin, polymethylmethacrylate and urethane resin.
4. the rostone utilizing two alkaline process salt slurries to manufacture as claimed in claim 1, is characterized in that: described promotor is cobalt system, the organic salt of vanadium system or manganese system metal, tertiary amines, quaternary amine or mercaptan.
5. the rostone utilizing two alkaline process salt slurries to manufacture as claimed in claim 1, is characterized in that: described coupling agent is one or more the mixture in organo silane coupling agent or titanate coupling agent.
6. the rostone utilizing two alkaline process salt slurries to manufacture as claimed in claim 1, is characterized in that: described solidifying agent is one or more the mixture in quadrol, Diethylenetriaminee (DETA), benzene dimethylamine, mphenylenediamine, diamino diphenyl sulfone, beta-hydroxyethyl quadrol, imidazoles, glyoxal ethyline, MALEIC ANHYDRIDE, Tetra hydro Phthalic anhydride, poly-nonane diacid acid anhydride, sebacic dihydrazide.
7. the rostone utilizing two alkaline process salt slurries to manufacture as claimed in claim 1, is characterized in that: described pigment is one or more the mixture in titanium dioxide, iron mica, chrome yellow, barba hispanica, cadmium red, cadmium yellow, zinc sulfide white, carbon black, red iron oxide, iron oxide green and iron oxide yellow.
8. the preparation method of the rostone as described in any one of claim 1 to 7, is characterized in that: the step of described method is,
(1) batch mixing, is uniformly mixed described each component under vacuum or normal pressure;
(2) suppress, the mixed material obtained in step (1) is built shaping, or by the mixed material transfer that obtains in step (1) to vacuum press compression moulding;
(3) curing conservation, moves to baking and curing in high hot house by the sheet material of compression moulding in step (2);
(4) demoulding, fixed thick, polishing.
9. the preparation method of rostone as claimed in claim 8, is characterized in that: in the vacuum press described in step (2), and setting vacuum tightness is less than or equal to-0.09mpa.
10. the preparation method of rostone as claimed in claim 8, it is characterized in that: the curing operation described in step (3) is divided into primary solidification and after fixing, envrionment temperature during described primary solidification remains on 40 ~ 100 DEG C, primary solidification time 1 ~ 3h; Envrionment temperature during described after fixing remains on 80 DEG C ~ 140 DEG C, rear curing time 2 ~ 8h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047489.2A CN104671705B (en) | 2015-01-29 | 2015-01-29 | A kind of artificial stone utilizing two alkaline process brine sludges to manufacture |
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|---|---|---|---|
| CN201510047489.2A CN104671705B (en) | 2015-01-29 | 2015-01-29 | A kind of artificial stone utilizing two alkaline process brine sludges to manufacture |
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| Publication Number | Publication Date |
|---|---|
| CN104671705A true CN104671705A (en) | 2015-06-03 |
| CN104671705B CN104671705B (en) | 2016-10-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108059173A (en) * | 2018-01-09 | 2018-05-22 | 大连润琳科技有限公司 | Milk of lime desanding and method of comprehensive utilization |
| CN108483986A (en) * | 2018-04-03 | 2018-09-04 | 临海市朵纳卫浴有限公司 | Wear-resisting mould proof advanced composite material (ACM) wash basin and preparation method thereof |
| CN110092610A (en) * | 2019-05-24 | 2019-08-06 | 武汉工程大学 | The method for preparing artificial stone using the high alumina salt slurry that aluminium foil corrosion is formed |
| CN110451849A (en) * | 2019-08-02 | 2019-11-15 | 黄永西 | A kind of artificial stone formula and preparation method thereof |
| US20210122678A1 (en) * | 2019-10-25 | 2021-04-29 | Guoxing DING | Artificial stone slab and methods for manufacturing thereof |
| CN114409349A (en) * | 2021-12-31 | 2022-04-29 | 北京润鸣环境科技有限公司 | Salty mud curing material and preparation method and application thereof |
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| CN101642926A (en) * | 2009-08-28 | 2010-02-10 | 上海贵雅橱柜有限公司 | Artificial stone with photocatalysis |
| WO2011148389A1 (en) * | 2010-05-28 | 2011-12-01 | Gosakan Aravamudan | Ornamentation of quartz resin composites |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108059173A (en) * | 2018-01-09 | 2018-05-22 | 大连润琳科技有限公司 | Milk of lime desanding and method of comprehensive utilization |
| CN108483986A (en) * | 2018-04-03 | 2018-09-04 | 临海市朵纳卫浴有限公司 | Wear-resisting mould proof advanced composite material (ACM) wash basin and preparation method thereof |
| CN110092610A (en) * | 2019-05-24 | 2019-08-06 | 武汉工程大学 | The method for preparing artificial stone using the high alumina salt slurry that aluminium foil corrosion is formed |
| CN110451849A (en) * | 2019-08-02 | 2019-11-15 | 黄永西 | A kind of artificial stone formula and preparation method thereof |
| US20210122678A1 (en) * | 2019-10-25 | 2021-04-29 | Guoxing DING | Artificial stone slab and methods for manufacturing thereof |
| US11702364B2 (en) * | 2019-10-25 | 2023-07-18 | Guoxing DING | Artificial stone slab and methods for manufacturing thereof |
| CN114409349A (en) * | 2021-12-31 | 2022-04-29 | 北京润鸣环境科技有限公司 | Salty mud curing material and preparation method and application thereof |
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|---|---|
| CN104671705B (en) | 2016-10-19 |
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