CN108033698A - Heat-insulation and heat-preservation cement and preparation method thereof - Google Patents
Heat-insulation and heat-preservation cement and preparation method thereof Download PDFInfo
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- CN108033698A CN108033698A CN201711310361.6A CN201711310361A CN108033698A CN 108033698 A CN108033698 A CN 108033698A CN 201711310361 A CN201711310361 A CN 201711310361A CN 108033698 A CN108033698 A CN 108033698A
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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
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
- C04B7/4476—Selection of the kiln atmosphere
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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
- C04B7/14—Cements containing slag
-
- 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
- C04B7/22—Iron ore cements ; Iron rich cements, e.g. Ferrari cements, Kühl cements
-
- 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
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
-
- 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
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
- C04B7/42—Active ingredients added before, or during, the burning process
- C04B7/421—Inorganic materials
-
- 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
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
- C04B7/42—Active ingredients added before, or during, the burning process
- C04B7/421—Inorganic materials
- C04B7/425—Acids or salts thereof
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of heat-insulation and heat-preservation cement, include the raw material of following parts by weight：113~115 parts of lime stones, 3~5 parts of land plasters, 3~5 parts of dolomites, 12~14 parts of clays, 9~11 parts of river sands, 1~3 part of fish-eye stone, 1~3 part of foresite, 6~8 parts of flyash, 2~4 parts of rhodonites, 7~13 parts of siderites, 5~6 parts of slags, 10~13 parts of calcium carbonate, 8~10 parts of starch, 2~5 parts of asbestos wools, 2~5 parts of methylcellulose.Combination of the invention by adding fish-eye stone, foresite, rhodonite, change the microstructure of conventional cement, form the second phase with fabulous heat preservation and insulation, and structural strength increases after making hardening of cement by dispersion-strengtherning, while it is aided with the heat insulation and preservation effect that the low material of addition flyash, gypsum, these thermal conductivity factors of asbestos wool further increases cement again.
Description
Technical field
The present invention relates to cement field.A kind of it is more particularly related to heat-insulation and heat-preservation cement and preparation method thereof.
Background technology
The heat-insulation and heat-preservation function of building construction at present is the most important thing of energy conservation and environmental protection work.Current practice is outer in building
Wall additional layer thermal insulation layer reaches heat insulation and preservation effect, and what insulating layer material used have layer of polystyrene foam or insulating moulding coating
Deng although layer of polystyrene foam has certain heat insulation and preservation effect, but its construction is complicated, of high cost and is not easy to persistently
Safeguard, and the heat insulation and preservation effect of insulating moulding coating is too poor.Actually inherently a kind of heat-insulation and heat-preservation material of cement used in building
Material, simply its heat insulation and preservation effect is bad, therefore, changes cement structures, people can be met by improving the heat insulation and preservation effect of cement
Demand, work progress is also simple, be one be worth research problem.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of cement with preferable heat insulation and preservation effect and preparation method thereof.
In order to realize these purposes and further advantage according to the present invention, there is provided a kind of heat-insulation and heat-preservation cement, including with
The raw material of lower parts by weight：113~115 parts of lime stones, 3~5 parts of land plasters, 3~5 parts of dolomites, 12~14 parts of clays, 9~11
Part river sand, 1~3 part of fish-eye stone, 1~3 part of foresite, 6~8 parts of flyash, 2~4 parts of rhodonites, 7~13 parts of siderites,
5~6 parts of slags, 10~13 parts of calcium carbonate, 8~10 parts of starch, 2~5 parts of asbestos wools, 2~5 parts of methylcellulose.
Preferably, fish-eye stone, foresite, the weight ratio of rhodonite are 1：1：1.6.
Preferably, dolomite, clay, the weight ratio of river sand are 1：3：2.5.
The present invention also provides the production method of above-mentioned heat-insulation and heat-preservation cement, comprise the following steps：
Step 1: the lime stone of above-mentioned parts by weight, siderite, dolomite, fish-eye stone, foresite, rhodonite are divided
Be not placed in crusher and be broken into the block of of length no more than 12cm, then will it is broken after lime stone, siderite, dolomite,
Fish-eye stone, foresite, the clay of rhodonite block and above-mentioned parts by weight, river sand are collectively disposed in ball mill and carry out roughly grinding slightly
Batch mixing, rough grinding pass are repeated a number of times untill all thick batch mixings can be by 12~18 mesh sieve nets, then thick batch mixing are put
Fine grinding is carried out in ball mill and obtains thin batch mixing, fine grinding process be repeated a number of times until all thin batch mixings can by 150~
Untill 200 mesh sieve nets, wherein, the three bulb abrading-balls of a diameter of 15cm, 10cm, 6cm are selected in rough grinding pass by 5：7：13 number
Amount is used than collocation, and drum's speed of rotation control, in 1700~1900rad/h, the time once roughly ground is 36~48h, fine grinding
The three bulb abrading-balls of a diameter of 9cm, 7cm, 3cm are selected in journey by 1：4：11 quantitative proportion collocation uses, and drum's speed of rotation
Control in 2200~2500rad/h, the time of a fine grinding is 72~84h；
Step 2: preheated at a temperature of finer abrasive made from step 1 is placed in 100~150 DEG C, preheating time is
28~30h, then the finer abrasive after preheating calcine to obtain calcination of chamotte, first with the heating speed of 2~4 DEG C/min in calcination process
Temperature is promoted to 750~800 DEG C by degree, keeps the temperature 18~24h, 5 slags for adding above-mentioned parts by weight of during insulation point, add every time
The weight entered is identical, then temperature is promoted to 1450~1550 DEG C with the programming rate of 3~5 DEG C/min, keeps the temperature 36~40h, protects
Point 5 calcium carbonate for adding above-mentioned parts by weight during temperature, the weight added every time is identical, then with the cooling speed of 2~6 DEG C/min
Degree cools the temperature to 50~70 DEG C, wherein, chlorine is passed through with the flow velocity of 30~40L/h in whole calcination process；
Step 3: after calcination of chamotte made from step 2 to be milled into the particle of 200~300 mesh, then with above-mentioned parts by weight
Land plaster, flyash, starch, asbestos wool, methylcellulose uniformly mix, mixed process maintains the temperature at 50~70 DEG C,
Room temperature is naturally cooled to after the completion of mixing up to heat-insulation and heat-preservation cement.
Preferably, corase grinding carries out recirculated cooling water cooling with fine grinding process in step 1, keeps temperature of charge 40
~50 DEG C.
Preferably, the ball milling ball that corase grinding is used with fine grinding process in step 1 is vanadium chromium steel material.
The present invention includes at least following beneficial effect：
By adding the combination of fish-eye stone, foresite, rhodonite, the microstructure of conventional cement is changed, is formd
The second phase with fabulous heat preservation and insulation, and structural strength increases after making hardening of cement by dispersion-strengtherning, together
When be aided with the heat-insulation and heat-preservation that the low material of addition flyash, gypsum, these thermal conductivity factors of asbestos wool further increases cement again
Effect, and the characteristic of production method combination raw material provided by the invention, are only fully refined simultaneously by multiple ball milling by raw material
Uniformly mixing, then add slag and calcium carbonate stage by stage, the cement burnt out just have a new microstructure, in mechanical milling process
Ball milling best results can be made by selecting the ball milling ball collocation use of different-diameter, and is passed through chlorine and is waved with what is produced in sintering procedure
The steam sent, which reacts the hydrogen chloride gas to be formed, can reduce alkalization component in cement, form the preferably low buck of quality
Mud.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
The present invention is described in further detail below, to make those skilled in the art being capable of evidence with reference to specification word
To implement.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
<Embodiment 1>
A kind of heat-insulation and heat-preservation cement, includes the raw material of following parts by weight：113 parts of lime stones, 3 parts of land plasters, 3 parts of white clouds
Stone, 12 parts of clays, 9 parts of river sands, 1 part of fish-eye stone, 1 part of foresite, 6 parts of flyash, 2 parts of rhodonites, 7 parts of siderites, 5
Part slag, 10 parts of calcium carbonate, 8 parts of starch, 2 parts of asbestos wools, 2 parts of methylcellulose.
The production method of above-mentioned heat-insulation and heat-preservation cement, comprises the following steps：
Step 1: the lime stone of above-mentioned parts by weight, siderite, dolomite, fish-eye stone, foresite, rhodonite are divided
Be not placed in crusher and be broken into the block of of length no more than 12cm, then will it is broken after lime stone, siderite, dolomite,
Fish-eye stone, foresite, the clay of rhodonite block and above-mentioned parts by weight, river sand are collectively disposed in ball mill and carry out roughly grinding slightly
Batch mixing, rough grinding pass are repeated a number of times untill all thick batch mixings can be by 12 mesh sieve nets, then thick batch mixing are placed in ball
Fine grinding is carried out in grinding machine and obtains thin batch mixing, fine grinding process is repeated a number of times until all thin batch mixings can be by 150 mesh sieve nets
Only, wherein, the three bulb abrading-balls of a diameter of 15cm, 10cm, 6cm are selected in rough grinding pass by 5：7：13 quantity makes than collocation
With, and drum's speed of rotation control in 1700rad/h, the time once roughly ground is 36h, selected during fine grinding a diameter of 9cm,
The three bulb abrading-balls of 7cm, 3cm press 1：4：11 quantitative proportion collocation uses, and drum's speed of rotation control is in 2200rad/h, and one
The time of secondary fine grinding is 72h；
Step 2: preheated at a temperature of finer abrasive made from step 1 is placed in 100 DEG C, preheating time 28h, then
Finer abrasive after preheating is carried out to calcine to obtain calcination of chamotte, is first lifted temperature with the programming rate of 2 DEG C/min in calcination process
To 750 DEG C, keep the temperature 18h, during insulation point 5 slags for adding above-mentioned parts by weight, the weight added every time is identical, then with 3 DEG C/
Temperature is promoted to 1450 DEG C by the programming rate of min, keeps the temperature 36h, and during insulation divides 5 calcium carbonate for adding above-mentioned parts by weight,
The weight added every time is identical, then cools the temperature to 50 DEG C with the cooling rate of 2 DEG C/min, wherein, in whole calcination process
Chlorine is passed through with the flow velocity of 30L/h；
Step 3: after calcination of chamotte made from step 2 to be milled into the particle of 200 mesh, then the gypsum with above-mentioned parts by weight
Powder, flyash, starch, asbestos wool, methylcellulose uniformly mix, and mixed process maintains the temperature at 50 DEG C, after the completion of mixing
Room temperature is naturally cooled to up to heat-insulation and heat-preservation cement.
Wherein, the ball milling ball that corase grinding is used with fine grinding process in step 1 is vanadium chromium steel material, corase grinding and fine grinding process
Recirculated cooling water cooling is carried out, keeps temperature of charge at 40 DEG C.
<Embodiment 2>
A kind of heat-insulation and heat-preservation cement, includes the raw material of following parts by weight：115 parts of lime stones, 5 parts of land plasters, 5 parts of white clouds
Stone, 14 parts of clays, 11 parts of river sands, 3 parts of fish-eye stones, 3 parts of foresites, 8 parts of flyash, 4 parts of rhodonites, 13 parts of siderites, 6
Part slag, 13 parts of calcium carbonate, 10 parts of starch, 5 parts of asbestos wools, 5 parts of methylcellulose.
The production method of above-mentioned heat-insulation and heat-preservation cement, comprises the following steps：
Step 1: the lime stone of above-mentioned parts by weight, siderite, dolomite, fish-eye stone, foresite, rhodonite are divided
Be not placed in crusher and be broken into the block of of length no more than 12cm, then will it is broken after lime stone, siderite, dolomite,
Fish-eye stone, foresite, the clay of rhodonite block and above-mentioned parts by weight, river sand are collectively disposed in ball mill and carry out roughly grinding slightly
Batch mixing, rough grinding pass are repeated a number of times untill all thick batch mixings can be by 18 mesh sieve nets, then thick batch mixing are placed in ball
Fine grinding is carried out in grinding machine and obtains thin batch mixing, fine grinding process is repeated a number of times until all thin batch mixings can be by 200 mesh sieve nets
Only, wherein, the three bulb abrading-balls of a diameter of 15cm, 10cm, 6cm are selected in rough grinding pass by 5：7：13 quantity makes than collocation
With, and drum's speed of rotation control in 1900rad/h, the time once roughly ground is 48h, selected during fine grinding a diameter of 9cm,
The three bulb abrading-balls of 7cm, 3cm press 1：4：11 quantitative proportion collocation uses, and drum's speed of rotation control is in 2500rad/h, and one
The time of secondary fine grinding is 84h；
Step 2: preheated at a temperature of finer abrasive made from step 1 is placed in 150 DEG C, preheating time 30h, then
Finer abrasive after preheating is carried out to calcine to obtain calcination of chamotte, is first lifted temperature with the programming rate of 4 DEG C/min in calcination process
To 800 DEG C, keep the temperature 24h, during insulation point 5 slags for adding above-mentioned parts by weight, the weight added every time is identical, then with 5 DEG C/
Temperature is promoted to 1550 DEG C by the programming rate of min, keeps the temperature 40h, and during insulation divides 5 calcium carbonate for adding above-mentioned parts by weight,
The weight added every time is identical, then cools the temperature to 70 DEG C with the cooling rate of 6 DEG C/min, wherein, in whole calcination process
Chlorine is passed through with the flow velocity of 40L/h；
Step 3: after calcination of chamotte made from step 2 to be milled into the particle of 300 mesh, then the gypsum with above-mentioned parts by weight
Powder, flyash, starch, asbestos wool, methylcellulose uniformly mix, and mixed process maintains the temperature at 70 DEG C, after the completion of mixing
Room temperature is naturally cooled to up to heat-insulation and heat-preservation cement.
Wherein, the ball milling ball that corase grinding is used with fine grinding process in step 1 is vanadium chromium steel material, corase grinding and fine grinding process
Recirculated cooling water cooling is carried out, keeps temperature of charge at 50 DEG C.
<Embodiment 3>
A kind of heat-insulation and heat-preservation cement, includes the raw material of following parts by weight：114 parts of lime stones, 4 parts of land plasters, 4 parts of white clouds
Stone, 12 parts of clays, 10 parts of river sands, 2 parts of fish-eye stones, 2 parts of foresites, 7 parts of flyash, 3.2 parts of rhodonites, 10 parts of siderites
Stone, 5.5 parts of slags, 12 parts of calcium carbonate, 9 parts of starch, 3.5 parts of asbestos wools, 3.5 parts of methylcellulose.
The production method of above-mentioned heat-insulation and heat-preservation cement, comprises the following steps：
Step 1: the lime stone of above-mentioned parts by weight, siderite, dolomite, fish-eye stone, foresite, rhodonite are divided
Be not placed in crusher and be broken into the block of of length no more than 12cm, then will it is broken after lime stone, siderite, dolomite,
Fish-eye stone, foresite, the clay of rhodonite block and above-mentioned parts by weight, river sand are collectively disposed in ball mill and carry out roughly grinding slightly
Batch mixing, rough grinding pass are repeated a number of times untill all thick batch mixings can be by 15 mesh sieve nets, then thick batch mixing are placed in ball
Fine grinding is carried out in grinding machine and obtains thin batch mixing, fine grinding process is repeated a number of times until all thin batch mixings can be by 180 mesh sieve nets
Only, wherein, the three bulb abrading-balls of a diameter of 15cm, 10cm, 6cm are selected in rough grinding pass by 5：7：13 quantity makes than collocation
With, and drum's speed of rotation control in 1800rad/h, the time once roughly ground is 42h, selected during fine grinding a diameter of 9cm,
The three bulb abrading-balls of 7cm, 3cm press 1：4：11 quantitative proportion collocation uses, and drum's speed of rotation control is in 2350rad/h, and one
The time of secondary fine grinding is 78h；
Step 2: preheated at a temperature of finer abrasive made from step 1 is placed in 125 DEG C, preheating time 29h, then
Finer abrasive after preheating is carried out to calcine to obtain calcination of chamotte, is first lifted temperature with the programming rate of 3 DEG C/min in calcination process
To 780 DEG C, keep the temperature 22h, during insulation point 5 slags for adding above-mentioned parts by weight, the weight added every time is identical, then with 4 DEG C/
Temperature is promoted to 1500 DEG C by the programming rate of min, keeps the temperature 38h, and during insulation divides 5 calcium carbonate for adding above-mentioned parts by weight,
The weight added every time is identical, then cools the temperature to 60 DEG C with the cooling rate of 4 DEG C/min, wherein, in whole calcination process
Chlorine is passed through with the flow velocity of 35L/h；
Step 3: after calcination of chamotte made from step 2 to be milled into the particle of 250 mesh, then the gypsum with above-mentioned parts by weight
Powder, flyash, starch, asbestos wool, methylcellulose uniformly mix, and mixed process maintains the temperature at 60 DEG C, after the completion of mixing
Room temperature is naturally cooled to up to heat-insulation and heat-preservation cement.
Wherein, the ball milling ball that corase grinding is used with fine grinding process in step 1 is vanadium chromium steel material, corase grinding and fine grinding process
Recirculated cooling water cooling is carried out, keeps temperature of charge at 45 DEG C.
<Comparative example>
A kind of commercially available ordinary cement, includes the raw material of following parts by weight：35~73 parts of clinkers, 5~10 parts of vermiculites
Powder, 1~8 part of titanate esters, 20~45 parts of fluorgypsums, 0.05~2 part of cement hardener.
Above-mentioned clinker is conventional cement Clinker Composition, and method for cooking is traditional clinker method for cooking, above-mentioned
The production method of cement is to mix the clinker of above-mentioned parts by weight, vermiculite power, titanate esters, fluorgypsum, cement hardener
It is even.
It is 1 square meter that the cement of above-described embodiment 1, embodiment 2, embodiment 3 and comparative example is made an area respectively,
Thickness is the cement plate of 10cm, cement plate one side is heated respectively using identical heat source, the temperature difference on measurement cement plate two sides, then
Embodiment 1 after being measured respectively by national standard 28 days, embodiment 2, the intensity of embodiment 3 and comparative example cement, the results are shown in Table
1。
Table 1, heat insulation and preservation effect, compression strength, flexural strength contrast table
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example | |
| The temperature difference (DEG C) | 13 | 14 | 16 | 8 |
| Compression strength (MPa) | 38.5 | 39 | 41 | 34.5 |
| Flexural strength (MPa) | 6.6 | 6.5 | 6.8 | 5.9 |
It is not difficult to find out embodiment 1, embodiment 2, embodiment 3 compared with comparative example in heat-insulation and heat-preservation, compression strength, anti-folding from table 1
It is improved in terms of intensity.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Realize other modification, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (6)
1. a kind of heat-insulation and heat-preservation cement, it is characterised in that include the raw material of following parts by weight：113~115 parts of lime stones, 3~5
Part land plaster, 3~5 parts of dolomites, 12~14 parts of clays, 9~11 parts of river sands, 1~3 part of fish-eye stone, 1~3 part of foresite, 6~8
Part flyash, 2~4 parts of rhodonites, 7~13 parts of siderites, 5~6 parts of slags, 10~13 parts of calcium carbonate, 8~10 parts of shallow lakes
Powder, 2~5 parts of asbestos wools, 2~5 parts of methylcellulose.
2. heat-insulation and heat-preservation cement as claimed in claim 1, it is characterised in that fish-eye stone, foresite, the weight ratio of rhodonite
For 1：1：1.6.
3. heat-insulation and heat-preservation cement as claimed in claim 1, it is characterised in that dolomite, clay, the weight ratio of river sand are 1：3：
2.5。
4. a kind of production method of heat-insulation and heat-preservation cement as claimed in claim 1, it is characterised in that comprise the following steps：
Step 1: the lime stone of above-mentioned parts by weight, siderite, dolomite, fish-eye stone, foresite, rhodonite are put respectively
Be broken into the block of of length no more than 12cm in crusher, then will it is broken after lime stone, siderite, dolomite, flake
Stone, foresite, the clay of rhodonite block and above-mentioned parts by weight, river sand are collectively disposed in ball mill and carry out roughly grinding slightly mixed
Material, rough grinding pass are repeated a number of times untill all thick batch mixings can be by 12~18 mesh sieve nets, then thick batch mixing are placed in
Fine grinding is carried out in ball mill and obtains thin batch mixing, fine grinding process is repeated a number of times until all thin batch mixings can be by 150~200 mesh
Untill sieve, wherein, the three bulb abrading-balls of a diameter of 15cm, 10cm, 6cm are selected in rough grinding pass by 5：7：13 quantity ratio is taken
With use, and drum's speed of rotation control is 36~48h in 1700~1900rad/h, the time once roughly ground, and is selected during fine grinding
1 is pressed with the three bulb abrading-balls of a diameter of 9cm, 7cm, 3cm：4：11 quantitative proportion collocation uses, and drum's speed of rotation control exists
2200~2500rad/h, the time of a fine grinding is 72~84h；
Step 2: preheated at a temperature of finer abrasive made from step 1 is placed in 100~150 DEG C, preheating time for 28~
30h, then the finer abrasive after preheating calcine to obtain calcination of chamotte, first will with the programming rate of 2~4 DEG C/min in calcination process
Temperature is promoted to 750~800 DEG C, keeps the temperature 18~24h, 5 slags for adding above-mentioned parts by weight of during insulation point, add every time
Weight is identical, then temperature is promoted to 1450~1550 DEG C with the programming rate of 3~5 DEG C/min, keeps the temperature 36~40h, soak
Between point 5 calcium carbonate for adding above-mentioned parts by weight, the weight added every time is identical, then will with the cooling rate of 2~6 DEG C/min
Temperature is down to 50~70 DEG C, wherein, chlorine is passed through with the flow velocity of 30~40L/h in whole calcination process；
Step 3: after calcination of chamotte made from step 2 to be milled into the particle of 200~300 mesh, then the stone with above-mentioned parts by weight
Cream powder, flyash, starch, asbestos wool, methylcellulose uniformly mix, and mixed process maintains the temperature at 50~70 DEG C, mixing
After the completion of naturally cool to room temperature up to heat-insulation and heat-preservation cement.
5. the production method of heat-insulation and heat-preservation cement as claimed in claim 4, it is characterised in that corase grinding and fine grinding in step 1
Cheng Jun carries out recirculated cooling water cooling, keeps temperature of charge at 40~50 DEG C.
6. the production method of heat-insulation and heat-preservation cement as claimed in claim 4, it is characterised in that corase grinding and fine grinding in step 1
The ball milling ball of Cheng Caiyong is vanadium chromium steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310361.6A CN108033698A (en) | 2017-12-11 | 2017-12-11 | Heat-insulation and heat-preservation cement and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109437798A (en) * | 2018-12-07 | 2019-03-08 | 苏相伟 | Lightweight heat-proof antifreezing cement and preparation method thereof |
| CN112830765A (en) * | 2021-03-03 | 2021-05-25 | 德化县嘉祥陶瓷有限公司 | Red pottery moisturizing device for brown sugar storage and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437798A (en) * | 2018-12-07 | 2019-03-08 | 苏相伟 | Lightweight heat-proof antifreezing cement and preparation method thereof |
| CN109437798B (en) * | 2018-12-07 | 2021-05-11 | 苏相伟 | Light heat-insulating antifreezing cement and preparation method thereof |
| CN112830765A (en) * | 2021-03-03 | 2021-05-25 | 德化县嘉祥陶瓷有限公司 | Red pottery moisturizing device for brown sugar storage and manufacturing method thereof |
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