CN106630700B - It is a kind of using flyash and cullet as inorganic coagulation material of raw material and preparation method thereof - Google Patents
It is a kind of using flyash and cullet as inorganic coagulation material of raw material and preparation method thereof Download PDFInfo
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- CN106630700B CN106630700B CN201610879536.4A CN201610879536A CN106630700B CN 106630700 B CN106630700 B CN 106630700B CN 201610879536 A CN201610879536 A CN 201610879536A CN 106630700 B CN106630700 B CN 106630700B
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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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/26—Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
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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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of using flyash and cullet as inorganic coagulation material of raw material and preparation method thereof, which is made of 65~75 parts of silicate superfine powder in parts by weight with modified 25~35 parts of cullet superfine powder.Preparation method is first to stir evenly and be prepared into pellet flyash, calcium hydroxide, cullet combined grinding, Jia Shui, will be dried after pellet hydrothermal treatment, grinding obtains silicate superfine powder after cooling；Cullet, granulated blast-furnace slag, quartz sand, modifying agent and water combined grinding are obtained into modified cullet superfine powder again；Silicate superfine powder, modified cullet superfine powder are finally mixed into intergrinding, you can.The inorganic coagulation material preparation process of the present invention is low without high-temperature calcination, heat consumption, and flyash and cullet utilization rate are high, and the hardening time of resulting materials is suitable, solidification intensity is high, resistance to sulfate aggressivity is good.
Description
Technical field
The invention belongs to construction materials and solid waste to utilize technical field, with flyash and give up more particularly, to one kind
Glass is the inorganic coagulation material and preparation method thereof of raw material.
Background technology
Inorganic coagulation material is extremely extensive in all kinds of buildings, traffic and ocean engineering field application, and wherein maximum uses
Be cement.General cement is a kind of production process resource and the material that energy consumption is high, greenhouse gas emissions are big, is sought
The preparation method of new raw material resources and new cementitious material that is alternative or can be used as supplement be material worker always
It is dedicated to solving the problems, such as.With the development of power industry, the flyash of thermal power generation corporations' discharge is growing day by day, at present China
Flyash year discharge rate more than 600,000,000 tons, although most of manufacture for being applied to cement, concrete and other products
In, but wherein still have greatly to store up processing, the previous flyash being discharged over the years, also there is a large amount of not yet effective profits in addition
With.The stockpiling land occupation of flyash seriously pollutes ambient enviroment, therefore its efficient resource utilization is one urgently to be resolved hurrily to ask
Topic.Existing cement and concrete are to ensure product quality in preparing, to having larger limitation in the quality and dosage of flyash.
CN201510015040 and CN201510017523 is disclosed passes through hydro-thermal process and 750 DEG C ~ 950 DEG C using flyash and lime
Calcining prepares cementitious material or the method for accelerated cement, and utilization of fly ash rates are high, and gained cement setting is fast, erosion resisting is good,
But the method announced is there is still a need in 750 DEG C ~ 950 DEG C higher temperature lower calcinations, and there are higher fuel consumption and greenhouse gases
Discharge.On the other hand, include a large amount of used glass bulb, glass container, glass in the rubbish that urban life generates
The cullet such as plate and glass ornament, quantity account for the 6% ~ 11% of Chinese MSW research.The recycling of cullet at present is very
It is low, it is often acted as with common rubbish one and fills up processing, not only land occupation resource, and there are security risks, it is effective there is an urgent need for finding
The approach utilized.
Invention content
The technical issues of solution：In view of the deficiencies of the prior art, the present invention provides one kind to be with flyash and cullet
Inorganic coagulation material of raw material and preparation method thereof, the inorganic coagulation material preparation process are not necessarily to through high-temperature calcination, fuel consumption
It is low, cement setting time is suitable, high strength after curing, corrosion resistance are strong.
Technical solution：It is a kind of using flyash and cullet as the inorganic coagulation material of raw material, including silicon in parts by weight
65~75 parts of hydrochlorate superfine powder and super 25~35 parts of the powder of modified cullet；The raw material of the silicate superfine powder includes with parts by weight
5~20 parts of 30~40 parts of 40~65 parts of flyash, calcium hydroxide, the cullet of meter；The raw material packet of the modified cullet superfine powder
Include 3~5 parts of 10~20 parts of 10~30 parts of 50~70 parts of cullet, granulated blast-furnace slag, quartz sand, modifying agent in parts by weight
With 1 part of water.
Preferably, the cullet is the scrap glass that silica content is higher than 65%.
Preferably, the modifying agent is alkali metal hydroxide or alkali carbonate.
The inorganic coagulation material of the present invention reduces environmental pollution using flyash and cullet as primary raw material, and prepares
Process need not calcine, energy conservation and environmental protection.
It is above-mentioned using flyash and cullet as the preparation method of the inorganic coagulation material of raw material, include the following steps：
The first step：Silicate superfine powder is prepared, is included the following steps：
（1）It will be crushed after cullet cleaning, drying；（2）Take flyash, calcium hydroxide, cullet, combined grinding to 80 μm of sieves
It is remaining to be less than 1%, obtain batch；（3）The batch and water are mixed, stirs evenly, the pellet of a diameter of 8 ~ 12mm is made；
（4）The pellet is obtained into steam-cured material in 12 ~ 16 hours in 90 DEG C ~ 100 DEG C steam curings；(5) by the steam-cured material 80 DEG C ~ 120
It is dried at DEG C, cooling grinding is tailed over less than 5% to 45 μm, obtains silicate superfine powder；
Second step：Modified cullet superfine powder is prepared, cullet, granulated blast-furnace slag, quartz sand, modifying agent and water are taken,
Combined grinding is tailed over less than 3% to 45 μm, obtains modified cullet superfine powder；
Third walks：By silicate superfine powder and modified cullet superfine powder combined grinding, you can.
Preferably, first step step（1）It is crushed to granularity after middle drying and is not more than 5 mm.
Preferably, the third step combined grinding time is 30 minutes.
The basic principle of the present invention is to make lime and the middle active oxidation in flyash and cullet by hydro-thermal process
Silicon and active oxidation reactive aluminum form hydrated calcium silicate, drated calcium aluminate and aquation calcium aluminosilicate, obtain containing this after drying is levigate
The silicate superfine powder of " drying " hydrated product and a small amount of unreacted calcium hydroxide a bit；Cullet, granulated blast-furnace slag and stone
Sand and alkali metal hydroxide and alkali carbonate intergrinding increase under the collective effect of chemistry and mechanochemistry
The surface texture of cullet, the specific surface area of granulated blast-furnace slag and quartz sand, change powder, just becoming, there is very high reaction to live
The modification cullet superfine powder of property；Silicate superfine powder and modified cullet superfine powder intergrinding, in the mechanical force of abrasive body
Under effect, the modification cullet of hydrated calcium silicate, drated calcium aluminate, aquation calcium aluminosilicate and calcium hydroxide and high reaction activity is super
" bonding " is generated between fine powder, suitable quantity of water is added to mix and can quickly form hydrated calcium silicate, drated calcium aluminate and aquation manosil AS
The gellings substance such as calcium, can be securely glued together by sandstone etc..
Advantageous effect：Compared with prior art, the present invention its remarkable advantage is：First, inorganic coagulation material of the present invention
It is high to the utilization rate of flyash and cullet, flyash land occupation, the landfill disposal of cullet and pollution environment can be solved
Problem；Second, the preparation method of inorganic coagulation material of the present invention is simple, is not related to high-temperature calcination, fuel consumption and greenhouse gases
Discharge capacity is few；Third, inorganic coagulation material hardening time of the present invention is suitable, solidification intensity is high, water-fast, resistance to sulfate aggressivity
It is good, especially suitable for tunnel, underwater, salt-soda soil band and coastal area engineering.
Description of the drawings
Fig. 1 is the production technological process of the present invention.
Specific implementation mode
Technical solution of the present invention is described in detail below by the mode of embodiment, but protection scope of the present invention
It is not limited to the embodiment.The solidification setting time of inorganic coagulation material surveys with reference to GBT 1346-2011 in each embodiment
Fixed, solidification cement mortar strength is measured by GBT 17671-1999, and resisting erosion of sulfate coefficient presses infusion method in GBT749-2008（K
Method）It measures.
Embodiment 1
By cullet cleaning, drying, it is crushed and all crosses 5 mm square hole screens afterwards.40 parts of flyash, 40 parts of calcium hydroxide are weighed respectively
With 20 parts of cullet, combined grinding obtain 80 μm tail over for 0.92% batch；Batch plus water are mixed evenly, are made
The pellet of a diameter of 8 ~ 12mm；Pellet is obtained into steam-cured material in 16 hours in 90 DEG C of steam curings；Steam-cured material dries at 80 DEG C, is cooling
Grinding tails over 2.5% to 45 μm, obtains silicate superfine powder；
50 parts of cullet, 30 parts of granulated blast-furnace slag, 20 parts of quartz sand, 4 parts of sodium hydroxide, 1 part of water are weighed respectively, are mixed
Grinding tails over 2.8% to 45 μm, obtains modified cullet superfine powder；
By 65 parts of silicate superfine powder and modified cullet 35 parts of superfine powder combined grinding 30 minutes, inorganic gel material is made
Material.
Measure the inorganic coagulation material the solidification presetting period be 35 minutes 6 hours, final setting time be 10 minutes 9 hours, 3
Its age flexural strength 2.8MPa, compression strength 15.3MPa, 28 day 5.8 MPa of age flexural strength, compression strength 35.2MPa,
Resisting erosion of sulfate coefficient 1.08.
Embodiment 2
By cullet cleaning, drying, it is crushed and all crosses 5 mm square hole screens afterwards.65 parts of flyash, 30 parts of calcium hydroxide are weighed respectively
With 5 parts of cullet, combined grinding obtain 80 μm tail over for 0.84% batch；Batch plus water are mixed evenly, are made straight
Diameter is the pellet of 8 ~ 12mm；Pellet is obtained into steam-cured material in 14 hours in 95 DEG C of steam curings；Steam-cured material dries at 120 DEG C, is cooling
Grinding tails over 4.3% to 45 μm, obtains silicate superfine powder；
5 parts of 70 parts of cullet, 15 parts of granulated blast-furnace slag, 15 parts of quartz sand and sodium carbonate, 1 part of water are weighed respectively, are mixed
Grinding is tailed over less than 1.6% to 45 μm, obtains modified cullet superfine powder；
By 75 parts of silicate superfine powder and modified cullet 25 parts of superfine powder combined grinding 30 minutes, inorganic gel material is made
Material.
Measure the inorganic coagulation material the solidification presetting period be 55 minutes 4 hours, final setting time be 20 minutes 7 hours, 3
3.4 MPa of its age flexural strength, compression strength 18.8MPa, 28 day 6.3 MPa of age flexural strength, compression strength
42.7MPa, resisting erosion of sulfate coefficient 1.10.
Embodiment 3
By cullet cleaning, drying, it is crushed and all crosses 5 mm square hole screens afterwards.55 parts of flyash, 35 parts of calcium hydroxide are weighed respectively
With 10 parts of cullet, combined grinding obtain 80 μm tail over for 0.70% batch；Batch plus water are mixed evenly, are made
The pellet of a diameter of 8 ~ 12mm；Pellet is obtained into steam-cured material in 14 hours in 98 DEG C of steam curings；Steam-cured material dries at 100 DEG C, is cold
But grinding tails over 3.1% to 45 μm, obtains silicate superfine powder；
3.5 parts of 60 parts of cullet, 25 parts of granulated blast-furnace slag, 15 parts of quartz sand and potassium hydroxide, 1 part of water are weighed respectively,
Combined grinding is tailed over less than 2.4% to 45 μm, obtains modified cullet superfine powder；
By 70 parts of silicate superfine powder and modified cullet 30 parts of superfine powder combined grinding 30 minutes, inorganic gel material is made
Material.
Measure the inorganic coagulation material the solidification presetting period be 35 minutes 5 hours, final setting time be 50 minutes 7 hours, 3
3.8 MPa of its age flexural strength, compression strength 16.8MPa, 28 day 6.7 MPa of age flexural strength, compression strength
36.2MPa, resisting erosion of sulfate coefficient 1.05.
Embodiment 4
By cullet cleaning, drying, it is crushed and all crosses 5 mm square hole screens afterwards.60 parts of flyash, 30 parts of calcium hydroxide are weighed respectively
With 10 parts of cullet, combined grinding obtain 80 μm tail over for 0.64% batch；Batch plus water are mixed evenly, are made
The pellet of a diameter of 8 ~ 12mm；Pellet is obtained into steam-cured material in 12 hours in 100 DEG C of steam curings；Steam-cured material dries at 80 DEG C, is cold
But grinding tails over 2.8% to 45 μm, obtains silicate superfine powder；
3.0 parts of 60 parts of cullet, 30 parts of granulated blast-furnace slag, 10 parts of quartz sand and sodium hydroxide, 1 part of water are weighed respectively,
Combined grinding is tailed over less than 2.4% to 45 μm, obtains modified cullet superfine powder；
By 68 parts of silicate superfine powder and modified cullet 32 parts of superfine powder combined grinding 30 minutes, inorganic gel material is made
Material.
Measure the inorganic coagulation material the solidification presetting period be 45 minutes 5 hours, final setting time be 30 minutes 8 hours, 3
2.9 MPa of its age flexural strength, compression strength 17.3MPa, 28 day 6.0 MPa of age flexural strength, compression strength
33.1MPa, resisting erosion of sulfate coefficient 1.04.
Embodiment 5
By cullet cleaning, drying, it is crushed and all crosses 5 mm square hole screens afterwards.45 parts of flyash, 40 parts of calcium hydroxide are weighed respectively
With 15 parts of cullet, combined grinding obtain 80 μm tail over for 0.88% batch；Batch plus water are mixed evenly, are made
The pellet of a diameter of 8 ~ 12mm；Pellet is obtained into steam-cured material in 12 hours in 95 DEG C of steam curings；Steam-cured material dries at 100 DEG C, is cold
But grinding tails over 2.8% to 45 μm, obtains silicate superfine powder；
4.5 parts of 70 parts of cullet, 20 parts of granulated blast-furnace slag, 10 parts of quartz sand and sodium carbonate, 1 part of water are weighed respectively, are mixed
It closes grinding to tail over less than 1.7% to 45 μm, obtains modified cullet superfine powder；
By 72 parts of silicate superfine powder and modified cullet 28 parts of superfine powder combined grinding 30 minutes, inorganic gel material is made
Material.
Measure the inorganic coagulation material the solidification presetting period be 50 minutes 4 hours, final setting time be 5 minutes 8 hours, 3
3.3 MPa of its age flexural strength, compression strength 18.3MPa, 28 day 6.5 MPa of age flexural strength, compression strength
39.6MPa, resisting erosion of sulfate coefficient 1.02.
Embodiment 6
By cullet cleaning, drying, it is crushed and all crosses 5 mm square hole screens afterwards.50 parts of flyash, 35 parts of calcium hydroxide are weighed respectively
With 15 parts of cullet, combined grinding obtain 80 μm tail over for 0.56% batch；Batch plus water are mixed evenly, are made
The pellet of a diameter of 8 ~ 12mm；Pellet is obtained into steam-cured material in 14 hours in 98 DEG C of steam curings；Steam-cured material dries at 120 DEG C, is cold
But grinding tails over 1.9% to 45 μm, obtains silicate superfine powder；
5.0 parts of 60 parts of cullet, 30 parts of granulated blast-furnace slag, 10 parts of quartz sand and potassium carbonate, 1 part of water are weighed respectively, are mixed
It closes grinding to tail over less than 1.0% to 45 μm, obtains modified cullet superfine powder；
By 73 parts of silicate superfine powder and modified cullet 27 parts of superfine powder combined grinding 30 minutes, inorganic gel material is made
Material.
Measure the inorganic coagulation material the solidification presetting period be 19 minutes 5 hours, final setting time be 45 minutes 8 hours, 3
3.5 MPa of its age flexural strength, compression strength 16.3MPa, 28 day 6.3 MPa of age flexural strength, compression strength
41.4MPa, resisting erosion of sulfate coefficient 1.02.
According to above example it is found that the flyash of the inorganic coagulation material of the present invention and cullet utilization rate are high；Gelling
The presetting period of material is 50 minutes 4 hours to 35 minutes 6 hours, and final setting time is 20 minutes 7 hours to 10 minutes 9 hours,
The condensation cure time is suitable；3 days 2.8~3.8MPa of flexural strength, 15.3~18.9MPa of compression strength, 28 days flexural strengths 5.8
~6.7MPa, 35.2~42.7MPa of compression strength, consolidation strength are high；Corrosion resistance index 1.02~1.09 has anticorrosive well
Performance.
Claims (4)
1. a kind of using flyash and cullet as the inorganic coagulation material of raw material, it is characterised in that：Including silicon in parts by weight
65~75 parts of hydrochlorate superfine powder and modified 25~35 parts of cullet superfine powder；The raw material of the silicate superfine powder includes with weight
40~65 parts of flyash, 30~40 parts of calcium hydroxide, 5~20 parts of the cullet of part meter；The raw material of the modified cullet superfine powder
Including 10~20 parts of 10~30 parts of 50~70 parts of cullet, granulated blast-furnace slag, quartz sand, modifying agent 3~5 in parts by weight
1 part of part and water；
The modifying agent is alkali metal hydroxide or alkali carbonate.
2. according to claim 1 using flyash and cullet as the inorganic coagulation material of raw material, it is characterised in that：It is described
Cullet is the scrap glass that silica content is higher than 65%.
3. described in claim 1 using flyash and cullet as the preparation method of the inorganic coagulation material of raw material, feature exists
In：Include the following steps：
The first step：Silicate superfine powder is prepared, is included the following steps：
（1）It will be crushed after cullet cleaning, drying；
（2）Take flyash, calcium hydroxide, cullet, combined grinding is tailed over less than 1% to 80 μm, obtains batch；
（3）The batch and water are mixed, stirs evenly, the pellet of a diameter of 8 ~ 12mm is made；
（4）The pellet is obtained into steam-cured material in 12 ~ 16 hours in 90 DEG C ~ 100 DEG C steam curings；
（5）The steam-cured material is dried at 80 DEG C ~ 120 DEG C, cooling grinding is tailed over less than 5% to 45 μm, and it is ultra-fine to obtain silicate
Powder；
Second step：Modified cullet superfine powder is prepared, cullet, granulated blast-furnace slag, quartz sand, modifying agent and water are taken, is mixed
Grinding is tailed over less than 3% to 45 μm, obtains modified cullet superfine powder；
Third walks：By silicate superfine powder and modified cullet superfine powder combined grinding, you can.
4. it is according to claim 3 using flyash and cullet as the preparation method of the inorganic coagulation material of raw material, it is special
Sign is：First step step（1）It is crushed to granularity after middle drying and is not more than 5 mm.
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| CN111662046A (en) * | 2020-07-06 | 2020-09-15 | 济南大学 | Solid waste based inorganic artificial stone plate and preparation method thereof |
| CN112279605B (en) * | 2020-10-22 | 2022-04-29 | 湖北工业大学 | Underground filling cementing material and preparation method and application thereof |
| CN114835415A (en) * | 2022-03-25 | 2022-08-02 | 洛阳绿筑建筑材料有限公司 | Preparation method of silicon-aluminum-based gel material, silicon-aluminum-based gel material and application thereof |
| CN115353360A (en) * | 2022-07-11 | 2022-11-18 | 太原理工大学 | All-solid-waste composite filling cementing material prepared from waste glass and method |
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