CN107098649A - One kind contains the anti-aging hollow brick of floating bead and its preparation technology - Google Patents
One kind contains the anti-aging hollow brick of floating bead and its preparation technology Download PDFInfo
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- CN107098649A CN107098649A CN201710389401.4A CN201710389401A CN107098649A CN 107098649 A CN107098649 A CN 107098649A CN 201710389401 A CN201710389401 A CN 201710389401A CN 107098649 A CN107098649 A CN 107098649A
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Contain the anti-aging hollow brick of floating bead and its preparation technology the invention discloses one kind, be related to hollow brick manufacture field, the hollow brick includes following raw material in parts by weight：80 120 parts of composite Portland cement, 40 70 parts of blast-furnace cinder, 20 40 parts of Boccaro shale, 10 30 parts of floating bead, modified 10 30 parts of silica flour, 5 25 parts of silicon carbide fibre, 2 10 parts of calcium stearate, 1 10 parts of antimitotic agent, 1 10 parts of early strength agent, 15 parts of water reducer, 15 parts of hydrophober.Its preparation technology is that above-mentioned raw materials are delivered to stirrer for mixing jointly to stir, and is then sent to the indoor carry out ripening of ageing, afterwards by material extrusion injection die for molding, is finally conserved adobe by drying and Exposure to Sunlight, you can.The hollow process for producing bricks of the present invention is simple, and energy consumption is low, and the hollow brick compression strength being made is high, ageing-resistant, and service life is long, the building body excellent in vibration resistance being made with this hollow brick, environmental protection.
Description
Technical field
Field is manufactured the present invention relates to hollow brick, more particularly, to one kind is containing the anti-aging hollow brick of floating bead and its prepares work
Skill.
Background technology
With the rapid development of the national economy, the continuous improvement of living standards of the people, the consumption to the energy is also increasing,
Energy shortage problem is become increasingly conspicuous, therefore, and energy saving and environment friendly construction material is gradually valued by the people, and hollow brick is as new
One kind in construction material, is widely used, generally lower hollow brick be with clay, shale etc. for primary raw material, by Feedstock treating,
Shaping, sintering are made.The hole ratio of the percentage, referred to as hollow brick of brick area, one where the hole gross area of hollow brick accounts for it
As should be more than 40%.Hollow brick is compared with solid brick, can be saved substantial amounts of soil soil and fuel of baking bricks, be mitigated transport heavy
Amount, labor intensity when mitigating brickmaking and building by laying bricks or stones, accelerating construction progress mitigates building deadweight, increases building storey, reduction is made
Valency.But existing hollow brick has the low deficiency of compression strength at present, so that the building body shock resistance being made of hollow brick
, there is certain hidden danger of collapsing in difference, in addition, existing hollow brick production process is numerous and diverse, high energy consumption, easy aging causes to be produced into
This increase, service life is short.Therefore, a kind of hollow brick and its preparation technology that can solve the problem that above-mentioned performance issue is developed very
It is necessary.
The content of the invention
The purpose of the present invention is containing the anti-aging hollow brick of floating bead and its preparation work for problem of the prior art there is provided one kind
Skill, this kind of hollow process for producing bricks is simple, and energy consumption is low, and the hollow brick compression strength being made is high, ageing-resistant, and service life is long, with
The building body excellent in vibration resistance that this hollow brick is made, environmental protection.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of anti-aging hollow brick containing floating bead, in parts by weight including following raw material：Composite Portland cement 80-
120 parts, 40-70 parts of blast-furnace cinder, 20-40 parts of Boccaro shale, 10-30 parts of floating bead, modified 10-30 part of silica flour, carborundum fibre
5-25 parts of dimension, 2-10 parts of calcium stearate, 1-10 parts of antimitotic agent, 1-10 parts of early strength agent, 1-5 parts of water reducer, 1-5 parts of hydrophober；
The preparation technology of the modified silica flour comprises the following steps：
1) silica flour 85-150 DEG C of preheating and drying 1-2 hours in drying box are weighed, addition accounts for silica flour mass percent
8-12% 25% ammonia spirit, stirs 2-3 hours at 65-75 DEG C, filters out silica flour, dries；
2) its quality 3-5% coupling agent is added into dried silica flour again, is stirred 3-4 hours at 55-65 DEG C,
Filter out silica flour；
3) silica flour that finally will filter out is delivered in vacuum drying chamber, is 0.05-0.1Mpa, 90-100 in vacuum
Silica flour must be modified under conditions of DEG C after dry heat 2-3 hours.
Further, above-mentioned hollow brick includes following raw material in parts by weight：90-110 parts of composite Portland cement,
45-55 parts of blast-furnace cinder, 25-35 parts of Boccaro shale, 15-25 parts of floating bead, modified 15-25 parts of silica flour, silicon carbide fibre 10-20
Part, 4-8 parts of calcium stearate, 1-5 parts of antimitotic agent, 1-5 parts of early strength agent, 1-3 parts of water reducer, 1-3 parts of hydrophober.
Further, above-mentioned hollow brick includes following raw material in parts by weight：100 parts of composite Portland cement,
50 parts of blast-furnace cinder, 30 parts of Boccaro shale, 20 parts of floating bead, modified 20 parts of silica flour, 15 parts of silicon carbide fibre, 6 parts of calcium stearate,
3 parts of antimitotic agent, 3 parts of early strength agent, 2 parts of water reducer, 2 parts of hydrophober.
Preferably, the antimitotic agent is lignocellulosic.
Preferably, the early strength agent presses any proportioning for the one or several kinds in calcium chloride, calcium formate or triethanolamine
Mixture.
Preferably, the water reducer is the one or several kinds in calcium lignosulfonate, Sodium Polyacrylate, sulfamic acid sodium
By the mixture of any proportioning.
Preferably, the hydrophober is organic silicon emulsion.
A kind of preparation technology of above-mentioned anti-aging hollow brick containing floating bead, is followed the steps below：
1) weighed above-mentioned raw materials according to weight, it is equal that all raw materials are delivered into stirrer for mixing stirring jointly
It is even, set speed of agitator 70-80r/min, mixing time is 50-60min, and control material water content in 6-10wt%；
2) resulting material is delivered to ageing and carries out ripening in indoor 2-4 days；
3) by the material extrusion injection die for molding after ageing after, then it is cut into adobe through cutting machine；
4) finally adobe is conserved by drying and Exposure to Sunlight, you can.
As a kind of prioritization scheme of the present invention, the Aging Temperature of the ageing room is set to 22-26 DEG C, indoor sky relatively
Air humidity degree is maintained at 60-80%.
The present invention compared with prior art, with following beneficial effect：The present invention is using modified silica flour, blast-furnace cinder
Using, floating bead and silicon carbide fibre as hollow brick brick body major ingredient, conventional hollow process for producing bricks is simplified, Exposure to Sunlight maintenance is used instead
Instead of roasting, energy consumption is saved, production cost is not only reduced, also with obvious society, economical and environmentally friendly benefit, energy-saving ring
Protect, hollow brick ageing-resistant performance of the invention is strong, durable in use.It is made by embodiment with detecting, hollow brick of the invention resists
Compressive Strength performance and density are superior to national standard《Fired hollow bricks and blocks》(GB/T13545-2014) requirement, tool
The present following aspect of body surface：
(1) compression strength：Hollow brick compression strength average value >=13.8MPa of the present invention, monolithic minimum value is 9.8；
(2) density：The block of hollow brick five product density average≤680kg/m of the present invention3。
Embodiment
The embodiment of the present invention is further described with reference to embodiment, following examples are only used for more
Technical scheme is clearly demonstrated, and can not be limited the scope of the invention with this.
Embodiment 1
A kind of anti-aging hollow brick containing floating bead, the following raw material of preparation：Composite Portland cement 80kg, blast-furnace cinder 40kg,
Boccaro shale 20kg, floating bead 10kg, modification silica flour 10kg, silicon carbide fibre 5kg, calcium stearate 2kg, antimitotic agent 1kg, morning are strong
Agent 1kg, water reducer 1kg, hydrophober 1kg；
The preparation technology of the modified silica flour comprises the following steps：
1) silica flour 85 DEG C of preheating and dryings 1 hour in drying box is weighed, addition accounts for silica flour mass percent 8%
25% ammonia spirit, stirs 2 hours at 65 DEG C, filters out silica flour, dries；
2) coupling agent of its quality 3% is added into dried silica flour again, stirs 3 hours, filters out at 55 DEG C
Silica flour；
3) silica flour that finally will filter out is delivered in vacuum drying chamber, is 0.05Mpa, 90 DEG C of condition in vacuum
Lower dry heat must be modified silica flour after 2 hours.
Wherein, above-mentioned antimitotic agent uses lignocellulosic；Early strength agent uses calcium chloride；Water reducer uses lignin sulfonic acid
Calcium；The hydrophober uses organic silicon emulsion.
A kind of preparation technology of above-mentioned anti-aging hollow brick containing floating bead, is followed the steps below：
1) raw material is weighed according to above-mentioned weight, all raw materials are delivered into stirrer for mixing jointly stirs, set
Speed of agitator 70r/min, mixing time is 50min, and control material water content in 6wt%；
2) resulting material is delivered to ageing and carries out ripening in indoor 2 days, and Aging Temperature is set to 22 DEG C, indoor phase
60% is maintained to air humidity；
3) by the material extrusion injection die for molding after ageing after, then it is cut into adobe through cutting machine；
4) finally adobe is conserved by drying and Exposure to Sunlight, that is, the anti-aging hollow brick containing floating bead of the present invention is made.
Embodiment 2
A kind of anti-aging hollow brick containing floating bead, the following raw material of preparation：Composite Portland cement 90kg, blast-furnace cinder 45kg,
Boccaro shale 25kg, floating bead 15kg, modified silica flour 15kg, silicon carbide fibre 10kg, calcium stearate 4kg, antimitotic agent 1kg, morning
Strong agent 1kg, water reducer 1kg, hydrophober 1kg；
The preparation technology of the modified silica flour comprises the following steps：
1) silica flour 95 DEG C of preheating and dryings 1.2 hours in drying box are weighed, addition accounts for silica flour mass percent 9%
25% ammonia spirit, stirs 2.2 hours at 68 DEG C, filters out silica flour, dries；
2) coupling agent of its quality 3% is added into dried silica flour again, is stirred 3.2 hours at 58 DEG C, filtering
Go out silica flour；
3) silica flour that finally will filter out is delivered in vacuum drying chamber, is 0.06Mpa, 92 DEG C of condition in vacuum
Lower dry heat must be modified silica flour after 2.2 hours.
Wherein, above-mentioned antimitotic agent uses lignocellulosic；Early strength agent uses two kinds of mixtures of calcium formate and triethanolamine, and
Mass ratio between the two is 1:1；Water reducer uses two kinds of mixtures of calcium lignosulfonate and Sodium Polyacrylate, and between the two
Mass ratio be 2:1；The hydrophober uses organic silicon emulsion.
A kind of preparation technology of above-mentioned anti-aging hollow brick containing floating bead, is followed the steps below：
1) raw material is weighed according to above-mentioned weight, all raw materials are delivered into stirrer for mixing jointly stirs, set
Speed of agitator 72r/min, mixing time is 52min, and control material water content in 7wt%；
2) resulting material is delivered to ageing and carries out ripening in indoor 2 days, and Aging Temperature is set to 23 DEG C, indoor phase
65% is maintained to air humidity；
3) by the material extrusion injection die for molding after ageing after, then it is cut into adobe through cutting machine；
4) finally adobe is conserved by drying and Exposure to Sunlight, that is, the anti-aging hollow brick containing floating bead of the present invention is made.
Embodiment 3
A kind of anti-aging hollow brick containing floating bead, the following raw material of preparation：Composite Portland cement 100kg, blast-furnace cinder 50kg,
Boccaro shale 30kg, floating bead 20kg, modified silica flour 20kg, silicon carbide fibre 15kg, calcium stearate 6kg, antimitotic agent 3kg, morning
Strong agent 3kg, water reducer 2kg, hydrophober 2kg；
The preparation technology of the modified silica flour comprises the following steps：
1) silica flour 120 DEG C of preheating and dryings 1.5 hours in drying box are weighed, addition accounts for silica flour mass percent 10%
25% ammonia spirit, at 70 DEG C stir 2.5 hours, filter out silica flour, dry；
2) coupling agent of its quality 4% is added into dried silica flour again, is stirred 3.5 hours at 60 DEG C, filtering
Go out silica flour；
3) silica flour that finally will filter out is delivered in vacuum drying chamber, is 0.08Mpa, 95 DEG C of condition in vacuum
Lower dry heat must be modified silica flour after 2.5 hours.
Wherein, above-mentioned antimitotic agent uses lignocellulosic；Early strength agent uses two kinds of mixtures of calcium chloride and triethanolamine, and
Mass ratio between the two is 1:1；Water reducer uses two kinds of mixtures of calcium lignosulfonate and sulfamic acid sodium, and between the two
Mass ratio be 2:1；The hydrophober uses organic silicon emulsion.
A kind of preparation technology of above-mentioned anti-aging hollow brick containing floating bead, is followed the steps below：
1) raw material is weighed according to above-mentioned weight, all raw materials are delivered into stirrer for mixing jointly stirs, set
Speed of agitator 75r/min, mixing time is 55min, and control material water content in 8wt%；
2) resulting material is delivered to ageing and carries out ripening in indoor 3 days, and Aging Temperature is set to 24 DEG C, indoor phase
70% is maintained to air humidity；
3) by the material extrusion injection die for molding after ageing after, then it is cut into adobe through cutting machine；
4) finally adobe is conserved by drying and Exposure to Sunlight, that is, the anti-aging hollow brick containing floating bead of the present invention is made.
Embodiment 4
A kind of anti-aging hollow brick containing floating bead, the following raw material of preparation：Composite Portland cement 110kg, blast-furnace cinder 55kg,
Boccaro shale 35kg, floating bead 25kg, modified silica flour 25kg, silicon carbide fibre 20kg, calcium stearate 8kg, antimitotic agent 5kg, morning
Strong agent 5kg, water reducer 3kg, hydrophober 3kg；
The preparation technology of the modified silica flour comprises the following steps：
1) silica flour 140 DEG C of preheating and dryings 1.8 hours in drying box are weighed, addition accounts for silica flour mass percent 11%
25% ammonia spirit, at 72 DEG C stir 2.8 hours, filter out silica flour, dry；
2) coupling agent of its quality 5% is added into dried silica flour again, is stirred 3.8 hours at 62 DEG C, filtering
Go out silica flour；
3) silica flour that finally will filter out is delivered in vacuum drying chamber, is 0.08Mpa, 98 DEG C of condition in vacuum
Lower dry heat must be modified silica flour after 2.8 hours.
Wherein, above-mentioned antimitotic agent uses lignocellulosic；Early strength agent uses triethanolamine；Water reducer uses Sodium Polyacrylate
With two kinds of mixtures of sulfamic acid sodium, and mass ratio between the two is 1:1；The hydrophober uses organic silicon emulsion.
A kind of preparation technology of above-mentioned anti-aging hollow brick containing floating bead, is followed the steps below：
1) raw material is weighed according to above-mentioned weight, all raw materials are delivered into stirrer for mixing jointly stirs, set
Speed of agitator 78r/min, mixing time is 58min, and control material water content in 9wt%；
2) resulting material is delivered to ageing and carries out ripening in indoor 4 days, and Aging Temperature is set to 25 DEG C, indoor phase
75% is maintained to air humidity；
3) by the material extrusion injection die for molding after ageing after, then it is cut into adobe through cutting machine；
4) finally adobe is conserved by drying and Exposure to Sunlight, that is, the anti-aging hollow brick containing floating bead of the present invention is made.
Embodiment 5
A kind of anti-aging hollow brick containing floating bead, the following raw material of preparation：Composite Portland cement 120kg, blast-furnace cinder 70kg,
Boccaro shale 40kg, floating bead 30kg, modified silica flour 30kg, silicon carbide fibre 25kg, calcium stearate 10kg, antimitotic agent 10kg,
Early strength agent 10kg, water reducer 5kg, hydrophober 5kg；
The preparation technology of the modified silica flour comprises the following steps：
1) silica flour 150 DEG C of preheating and dryings 2 hours in drying box are weighed, addition accounts for silica flour mass percent 12%
25% ammonia spirit, stirs 3 hours at 75 DEG C, filters out silica flour, dries；
2) coupling agent of its quality 5% is added into dried silica flour again, stirs 4 hours, filters out at 65 DEG C
Silica flour；
3) silica flour that finally will filter out is delivered in vacuum drying chamber, is 0.1Mpa, 100 DEG C of condition in vacuum
Lower dry heat must be modified silica flour after 3 hours.
Wherein, above-mentioned antimitotic agent uses lignocellulosic；Early strength agent uses two kinds of mixtures of calcium chloride and triethanolamine, and
Mass ratio between the two is 2:1；Water reducer uses sulfamic acid sodium；The hydrophober uses organic silicon emulsion.
A kind of preparation technology of above-mentioned anti-aging hollow brick containing floating bead, is followed the steps below：
1) raw material is weighed according to above-mentioned weight, all raw materials are delivered into stirrer for mixing jointly stirs, set
Speed of agitator 80r/min, mixing time is 60min, and control material water content in 10wt%；
2) resulting material is delivered to ageing and carries out ripening in indoor 4 days, and Aging Temperature is set to 26 DEG C, indoor phase
80% is maintained to air humidity；
3) by the material extrusion injection die for molding after ageing after, then it is cut into adobe through cutting machine；
4) finally adobe is conserved by drying and Exposure to Sunlight, that is, the anti-aging hollow brick containing floating bead of the present invention is made.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of anti-aging hollow brick containing floating bead, it is characterised in that in parts by weight including following raw material：Composition silicate
80-120 parts of cement, 40-70 parts of blast-furnace cinder, 20-40 parts of Boccaro shale, 10-30 parts of floating bead, modified 10-30 parts of silica flour, carbon
5-25 parts of SiClx fiber, 2-10 parts of calcium stearate, 1-10 parts of antimitotic agent, 1-10 parts of early strength agent, 1-5 parts of water reducer, hydrophober 1-5
Part；
The preparation technology of the modified silica flour comprises the following steps：
1) silica flour 85-150 DEG C of preheating and drying 1-2 hours in drying box are weighed, addition accounts for silica flour mass percent 8-
12% 25% ammonia spirit, stirs 2-3 hours at 65-75 DEG C, filters out silica flour, dries；
2) its quality 3-5% coupling agent is added into dried silica flour again, is stirred 3-4 hours at 55-65 DEG C, filtering
Go out silica flour；
3) silica flour that finally will filter out is delivered in vacuum drying chamber, is 0.05-0.1Mpa in vacuum, 90-100 DEG C
Under the conditions of dry heat must be modified silica flour after 2-3 hours.
2. one kind anti-aging hollow brick containing floating bead according to claim 1, it is characterised in that include in parts by weight
Following raw material：90-110 parts of composite Portland cement, 45-55 parts of blast-furnace cinder, 25-35 parts of Boccaro shale, 15-25 parts of floating bead,
Modified 15-25 parts of silica flour, 10-20 parts of silicon carbide fibre, 4-8 parts of calcium stearate, 1-5 parts of antimitotic agent, 1-5 parts of early strength agent, subtract
1-3 parts of aqua, 1-3 parts of hydrophober.
3. one kind anti-aging hollow brick containing floating bead according to claim 2, it is characterised in that include in parts by weight
Following raw material：100 parts of composite Portland cement, 50 parts of blast-furnace cinder, 30 parts of Boccaro shale, 20 parts of floating bead, modified silica flour 20
Part, 15 parts of silicon carbide fibre, 6 parts of calcium stearate, 3 parts of antimitotic agent, 3 parts of early strength agent, 2 parts of water reducer, 2 parts of hydrophober.
4. one kind anti-aging hollow brick containing floating bead according to claim 1, it is characterised in that the antimitotic agent is wooden fibre
Dimension element.
5. one kind anti-aging hollow brick containing floating bead according to claim 1, it is characterised in that the early strength agent is chlorination
One or several kinds in calcium, calcium formate or triethanolamine press the mixture of any proportioning.
6. one kind anti-aging hollow brick containing floating bead according to claim 1, it is characterised in that the water reducer is lignin
One or several kinds in sulfoacid calcium, Sodium Polyacrylate, sulfamic acid sodium press the mixture of any proportioning.
7. one kind anti-aging hollow brick containing floating bead according to claim 1, it is characterised in that the hydrophober is organosilicon
Emulsion.
8. a kind of preparation technology of anti-aging hollow brick containing floating bead as described in claim 1-7 any one, it is characterised in that
Comprise the following steps：
1) weighed above-mentioned raw materials according to weight, all raw materials are delivered to stirrer for mixing jointly and stirred, if
Determine speed of agitator 70-80r/min, mixing time is 50-60min, and control material water content in 6-10wt%；
2) resulting material is delivered to ageing and carries out ripening in indoor 2-4 days；
3) by the material extrusion injection die for molding after ageing after, then it is cut into adobe through cutting machine；
4) finally adobe is conserved by drying and Exposure to Sunlight, you can.
9. a kind of preparation technology of anti-aging hollow brick containing floating bead according to claim 8, it is characterised in that the ageing
The Aging Temperature of room is set to 22-26 DEG C, and indoor relative air humidity is maintained at 60-80%.
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| CN107188499A (en) * | 2017-07-25 | 2017-09-22 | 合肥威斯伏新材料有限公司 | One kind contains the anti-aging hollow brick of floating bead and its preparation technology |
| CN107515627A (en) * | 2017-09-23 | 2017-12-26 | 南京律智诚专利技术开发有限公司 | A kind of brickkiln is aged room water tank intelligence control system |
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