CN107572997A - A kind of permanent seal cooling blast furnace granulated slag building block - Google Patents
A kind of permanent seal cooling blast furnace granulated slag building block Download PDFInfo
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- CN107572997A CN107572997A CN201710977503.8A CN201710977503A CN107572997A CN 107572997 A CN107572997 A CN 107572997A CN 201710977503 A CN201710977503 A CN 201710977503A CN 107572997 A CN107572997 A CN 107572997A
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Abstract
The invention discloses a kind of permanent seal cooling blast furnace granulated slag building block, belong to building material technical field.The present invention crushes blast furnace granulated slag, sieves, obtains refinement blast furnace granulated slag；Gained refinement blast furnace granulated slag is stirred with sulfuric acid, impregnates, filtering, obtains pretreatment blast furnace granulated slag；Black liquid, chitosan liquid, soyabean protein powder, biogas slurry are stirred fermentation, obtain zymotic fluid；Blast furnace granulated slag will be pre-processed to be mixed with dipping with zymotic fluid, filtering, blast furnace granulated slag will be modified by producing modified blast furnace granulated slag, gypsum, quick lime, cement, water, modified charing coir fibre, silane coupler are stirred, mixed slurry is obtained, then mixed slurry is injected in mould, it is compressing, obtain blank, blank is placed in fog room, conserves, produces permanent seal cooling blast furnace granulated slag building block.Permanent seal cooling blast furnace granulated slag building block provided by the invention has excellent mechanical property and endurance quality.
Description
Technical field
The invention discloses a kind of permanent seal cooling blast furnace granulated slag building block, belong to building material technical field.
Background technology
Development with construction industry and the pay attention to day by day to construction engineering quality, material is formed substantially as concrete and mortar
Influence of the quality and quantity of the building sand of one of material to construction industry is increasingly apparent.One side market is got over by the quality requirement of sand
Come higher, quantity is increasing；On the other hand the natural sand resource to conform to quality requirements is fewer and fewer, and the engineering thus triggered is asked
Topic happens occasionally.With the gradual scarcity of natural sand resource, and limitation of the country to natural sand exploitation, as Concrete
One of indispensable component, the source of natural sand will be restricted, and its market also will necessarily be expected to rise.It is annual big in District of Shanghai
The municipal engineering construction of amount is, it is necessary to using substantial amounts of commerical ready-mixed concrete, and District of Shanghai itself lacks natural sand resource, therefore is
The needs of the sustainable development of District of Shanghai concrete, meet Concrete Design requirement using the exploitation of existing waste resource, together
When can substitute the new varieties fine aggregate of existing natural sand, market prospects will be very wide.
The existing 4 seat height stove of Baosteel, it is annual to produce t of blast furnace granulated slag 3,000,000 or so, at present except Bao Tian companies produce ore deposit every year
Powder consumes 1,200,000 t or so blast furnace granulated slag, and remaining is mainly sold to cement plant as cement mixture.As country is to building materials
The regulation and control of industry and the gradual saturation in this area mineral admixture market, the space that blast furnace granulated slag develops in original selling market will
It is extremely limited, it is imperative opens up new blast furnace granulated slag application market.
Blast furnace granulated slag has many similarities compared with concrete is with fine aggregate natural sand in physical property, if can adopt
Natural sand is partly or entirely substituted with blast furnace granulated slag and is used as concrete fine aggregate, one is provided preferably by the application for blast furnace granulated slag
Approach.But current blast furnace granulated slag building block also has the problem of mechanical property and bad durability, therefore also need to enter it
Row research.
The content of the invention
The present invention solves the technical problem of：It is bad for traditional blast furnace granulated slag building block mechanical property and endurance quality
The problem of, there is provided a kind of permanent seal cooling blast furnace granulated slag building block.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of permanent seal cooling blast furnace granulated slag building block, is made up of the raw material of following parts by weight：30~40 parts of modified blast furnace granulated slags, 10
~20 parts of gypsum, 10~20 parts of quick limes, 20~30 parts of cement, 50~60 parts of water, 10~20 parts of modified charing coir fibres, 5
~6 parts of silane couplers；
The preparation method of the modified blast furnace granulated slag is：
（1）Blast furnace granulated slag is crushed, sieves, obtains refinement blast furnace granulated slag；
（2）By above-mentioned gained refinement blast furnace granulated slag and sulfuric acid in mass ratio 1：50~1：100 are stirred, and impregnate, and filtering, obtain pre-
Handle blast furnace granulated slag；
（3）According to the mass fraction, by 20~30 parts of black liquids, 20~30 parts of chitosan liquid, 10~20 parts of soyabean protein powders, 5
~6 parts of biogas slurries are stirred fermentation, obtain zymotic fluid；
（4）Will pretreatment blast furnace granulated slag and zymotic fluid in mass ratio 1：20~1：30 are mixed with dipping, and filtering, produce modified blast furnace water
Slag.
The cement is portland cement, any one in Portland cement or portland-pozzolan cement.
The preparation process of the modified charing coir fibre is：It is 5~8% by coir fibre drying to moisture content, obtains drying
Coir fibre；Coir fibre and tetraethyl orthosilicate in mass ratio 1 will be dried：20~1：30 are stirred dipping, filtering, obtain pre- place
Manage coir fibre；The nitrogen charging insulation of pretreatment coir fibre is carbonized, cooling, obtains coconut shell chars fiber；By coconut shell chars fiber with
Agar solution in mass ratio 1：20~1：30 are mixed with dipping, and filtering, obtain single treatment coconut shell chars fiber；Single treatment is carbonized into coconut palm
Case fibre is fumigated with the nitrogen containing trimethyl aluminium, produces modified charing coir fibre.
The silane coupler is silane resin acceptor kh-550, in silane coupler KH-560 or Silane coupling reagent KH-570
Any one.
（1）The sieving is the sieve of 300~400 mesh.
（3）The preparation process of the chitosan liquid is：By chitosan and water in mass ratio 1：50~1：100 mixing swellings
Afterwards, heating stirring dissolves, and produces chitosan liquid.
The beneficial effects of the invention are as follows：
（1）The present invention is by adding modified blast furnace granulated slag, first, is further refined blast furnace granulated slag by crushing so that blast furnace
The activity of grain slag is further lifted, and secondly, is soaked through sulfuric acid, part aluminum oxide in blast furnace granulated slag is removed so that refinement
The hole of blast furnace granulated slag afterwards is further widened, then is soaked through black liquid, chitosan liquid and soyabean protein powder zymotic fluid,
Due to black liquid, chitosan liquid and soyabean protein powder are fermented so that black liquid, chitosan liquid and soyabean protein powder divide greatly
Son hydrolyzes Viability higher small molecule, and active small molecular is attached to blast furnace granulated slag surface and forms moisture film, on the one hand, in system
Good lubrication is played, lifts the mobility of system, enhancing system Central Plains material interparticle contact site so that hydration reaction
More fully, so as to lift the mechanical property of system and endurance quality, on the other hand, blast furnace granulated slag surface moisture film is attached to, can be promoted
Enter the progress of system aquation, in addition, system during hydration reaction, can produce calcium hydroxide, calcium hydroxide ionizes in water
It is coordination cross-linked that the calcium ion of generation can promote the small molecule on blast furnace granulated slag surface to occur, and form three-dimensional network, strengthen system
Crosslink density, so as to further lift the mechanical property and endurance quality of system；
（2）The present invention is by adding modified charing coir fibre, first, the intensity of filling silica reinforcing fiber in fiber,
Secondly dipping agar solution, lift the water-retaining property of fiber so that aquation is fully carried out, so as to lifted the mechanical property of system and
Endurance quality.
Embodiment
By chitosan and water in mass ratio 1：50~1：100 add in No. 1 beakers, 20 are stirred with glass bar~
After 30min, stand 3~4h of swelling, then No. 1 beaker moved into digital display and tested the speed constant temperature blender with magnetic force, in temperature be 95~100
DEG C, under the conditions of rotating speed is 400~500r/min, heating stirring dissolves 40~50min, produces chitosan liquid；Agar and water are pressed
Mass ratio 1：50~1：100 add in No. 2 beakers, after being stirred 20~30min with glass bar, stand 3~4h of swelling, then will
No. 2 beakers move into digital displays and tested the speed constant temperature blender with magnetic force, are 95~100 DEG C in temperature, rotating speed is 400~500r/min conditions
Under, heating stirring dissolves 40~50min, produces agar solution；Coir fibre is placed in baking oven, it is 5~8% to dry to moisture content,
Coir fibre must be dried；Coir fibre and tetraethyl orthosilicate in mass ratio 1 will be dried：20~1：30 are placed in No. 3 beakers, in turn
Under the conditions of speed is 200~300r/min, after being stirred 30~40min of dipping, filtering, pretreatment coir fibre is obtained；It will locate in advance
Reason coir fibre is placed in retort nitrogen is passed through into stove with 60~90mL/min speed, in temperature be 450~550 DEG C of conditions
Under, after 2~3h of insulation charing, room temperature is down to stove, obtains coconut shell chars fiber；By coconut shell chars fiber and agar solution in mass ratio
1：20~1：30 are placed in No. 4 beakers, under the conditions of rotating speed is 200~300r/min, after being mixed with dipping 30~40min, and filtering,
Obtain single treatment coconut shell chars fiber；Single treatment coconut shell chars fiber is placed in fluidized-bed reactor, and with 80~
100mL/min speed is passed through the nitrogen that trimethyl aluminium volume content is 5~8% into fluidized-bed reactor, it is continually fed into 40~
50min, produce modified charing coir fibre；Blast furnace granulated slag is placed in pulverizer, crushed, the sieve of 300~400 mesh is crossed, obtains carefully
Change blast furnace granulated slag；By the sulfuric acid solution in mass ratio 1 that gained refines blast furnace granulated slag with mass fraction is 8~10%：50~1：100
Add in single-necked flask, under the conditions of rotating speed is 300~400r/min, after being stirred 40~60min of dipping, filtering, obtain pre-
Handle blast furnace granulated slag；According to the mass fraction, by 20~30 parts of black liquids, 20~30 parts of chitosan liquid, 10~20 portions of soybean eggs
White powder, 5~6 parts of biogas slurry stirrings are placed in fermentation cauldron, under the conditions of temperature is 28~32 DEG C, mixed fermentation 3~5 days, must fermented
Liquid；Will pretreatment blast furnace granulated slag and zymotic fluid in mass ratio 1：20~1：30 add three-necked flasks in, in rotating speed be 500~
Under the conditions of 600r/min, after being mixed with dipping 40~60min, filtering, modified blast furnace granulated slag is produced；Count, take successively in parts by weight
30~40 parts of modified blast furnace granulated slags, 10~20 parts of gypsum, 10~20 parts of quick limes, 20~30 parts of cement, 50~60 parts of water, 10~
20 parts of modified charing coir fibres, 5~6 parts of silane couplers are placed in batch mixer, in rotating speed be 100~200r/min conditions
Under, 30~40min is stirred, obtains mixed slurry, injects mould then to spraying releasing agent in mould, then by mixed slurry
In, in pressure be 10~15MPa under the conditions of, it is compressing, obtain blank, blank be placed in fog room, in temperature be 30~40
DEG C, humidity conserves 18~24h under the conditions of being 70~80%, produces permanent seal cooling blast furnace granulated slag building block.The cement is silicate cement
Any one in mud, Portland cement or portland-pozzolan cement.The silane coupler is silane coupler KH-
Any one in 550, silane coupler KH-560 or Silane coupling reagent KH-570.The releasing agent is discarded machine oil or methyl
Any one in silicone oil.
Example 1
By chitosan and water in mass ratio 1：100 add in No. 1 beaker, after being stirred 30min with glass bar, stand swelling
4h, then No. 1 beaker is moved into digital display and tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min, produces chitosan liquid；By agar and water in mass ratio 1：100 add in No. 2 beakers, use glass bar
After being stirred 30min, stand swelling 4h, then No. 2 beakers moved into digital displays and tested the speed constant temperature blender with magnetic force, in temperature be 100
DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolving 50min, produce agar solution；Coir fibre is placed in baking oven, done
It is dry to moisture content be 8%, obtain dry coir fibre；Coir fibre and tetraethyl orthosilicate in mass ratio 1 will be dried：30 are placed in No. 3 burnings
In cup, under the conditions of rotating speed is 300r/min, after being stirred dipping 40min, filtering, pretreatment coir fibre is obtained；It will locate in advance
Reason coir fibre is placed in retort is passed through nitrogen into stove with 90mL/min speed, under the conditions of temperature is 550 DEG C, is incubated charcoal
After changing 3h, room temperature is down to stove, obtains coconut shell chars fiber；By coconut shell chars fiber and agar solution in mass ratio 1：30 are placed in No. 4
In beaker, under the conditions of rotating speed is 300r/min, after being mixed with dipping 40min, filtering, single treatment coconut shell chars fiber is obtained；Will
Single treatment coconut shell chars fiber is placed in fluidized-bed reactor, and is passed through with 100mL/min speed into fluidized-bed reactor
Trimethyl aluminium volume content is 8% nitrogen, is continually fed into 50min, produces modified charing coir fibre；Blast furnace granulated slag is placed in
In pulverizer, crush, cross the sieve of 400 mesh, obtain refinement blast furnace granulated slag；It is 10% by gained refinement blast furnace granulated slag and mass fraction
Sulfuric acid solution in mass ratio 1：100 add in single-necked flask, under the conditions of rotating speed is 400r/min, are stirred dipping 60min
Afterwards, filter, obtain pretreatment blast furnace granulated slag；According to the mass fraction, by 30 parts of black liquids, 30 parts of chitosan liquid, 20 portions of soybean eggs
White powder, 6 parts of biogas slurry stirrings are placed in fermentation cauldron, under the conditions of temperature is 32 DEG C, mixed fermentation 5 days, obtain zymotic fluid；Will pretreatment
Blast furnace granulated slag and zymotic fluid in mass ratio 1：30 add in three-necked flask, under the conditions of rotating speed is 600r/min, are mixed with dipping
After 60min, filtering, modified blast furnace granulated slag is produced；Count in parts by weight, take 40 parts of modified blast furnace granulated slags successively, 20 parts of gypsum, 20
Part quick lime, 30 parts of cement, 60 parts of water, 20 parts of modified charing coir fibres, 6 parts of silane couplers are placed in batch mixer, in turning
Under the conditions of speed is 200r/min, 40min is stirred, obtains mixed slurry, then to spraying releasing agent in mould, then by mixing slurry
It is compressing under the conditions of pressure is 15MPa in material injection mould, blank is obtained, blank is placed in fog room, is in temperature
40 DEG C, humidity conserves 24h under the conditions of being 80%, produces permanent seal cooling blast furnace granulated slag building block.The cement is portland cement.It is described
Silane coupler is silane resin acceptor kh-550.The releasing agent is discarded machine oil.
Example 2
By chitosan and water in mass ratio 1：100 add in No. 1 beaker, after being stirred 30min with glass bar, stand swelling
4h, then No. 1 beaker is moved into digital display and tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min, produces chitosan liquid；By agar and water in mass ratio 1：100 add in No. 2 beakers, use glass bar
After being stirred 30min, stand swelling 4h, then No. 2 beakers moved into digital displays and tested the speed constant temperature blender with magnetic force, in temperature be 100
DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolving 50min, produce agar solution；Coir fibre is placed in baking oven, done
It is dry to moisture content be 8%, obtain dry coir fibre；Coir fibre and tetraethyl orthosilicate in mass ratio 1 will be dried：30 are placed in No. 3 burnings
In cup, under the conditions of rotating speed is 300r/min, after being stirred dipping 40min, filtering, pretreatment coir fibre is obtained；It will locate in advance
Reason coir fibre is placed in retort is passed through nitrogen into stove with 90mL/min speed, under the conditions of temperature is 550 DEG C, is incubated charcoal
After changing 3h, room temperature is down to stove, obtains coconut shell chars fiber；By coconut shell chars fiber and agar solution in mass ratio 1：30 are placed in No. 4
In beaker, under the conditions of rotating speed is 300r/min, after being mixed with dipping 40min, filtering, single treatment coconut shell chars fiber is obtained；Will
Single treatment coconut shell chars fiber is placed in fluidized-bed reactor, and is passed through with 100mL/min speed into fluidized-bed reactor
Trimethyl aluminium volume content is 8% nitrogen, is continually fed into 50min, produces modified charing coir fibre；Count in parts by weight, according to
It is secondary to take 40 parts of blast furnace granulated slags, 20 parts of gypsum, 20 parts of quick limes, 30 parts of cement, 60 parts of water, 20 parts of modified charing coir fibres, 6 parts
Silane coupler is placed in batch mixer, under the conditions of rotating speed is 200r/min, is stirred 40min, is obtained mixed slurry, then to
Releasing agent is sprayed in mould, then mixed slurry is injected in mould, it is compressing under the conditions of pressure is 15MPa, blank is obtained,
Blank is placed in fog room, is 40 DEG C in temperature, humidity conserves 24h under the conditions of being 80%, produces permanent seal cooling blast furnace granulated slag block
Block.The cement is portland cement.The silane coupler is silane resin acceptor kh-550.The releasing agent is scrap machine
Oil.
Example 3
By chitosan and water in mass ratio 1：100 add in No. 1 beaker, after being stirred 30min with glass bar, stand swelling
4h, then No. 1 beaker is moved into digital display and tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min, produces chitosan liquid；By agar and water in mass ratio 1：100 add in No. 2 beakers, use glass bar
After being stirred 30min, stand swelling 4h, then No. 2 beakers moved into digital displays and tested the speed constant temperature blender with magnetic force, in temperature be 100
DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolving 50min, produce agar solution；Coir fibre is placed in baking oven, done
It is dry to moisture content be 8%, obtain dry coir fibre；Coir fibre and tetraethyl orthosilicate in mass ratio 1 will be dried：30 are placed in No. 3 burnings
In cup, under the conditions of rotating speed is 300r/min, after being stirred dipping 40min, filtering, pretreatment coir fibre is obtained；It will locate in advance
Reason coir fibre is placed in retort is passed through nitrogen into stove with 90mL/min speed, under the conditions of temperature is 550 DEG C, is incubated charcoal
After changing 3h, room temperature is down to stove, obtains coconut shell chars fiber；Blast furnace granulated slag is placed in pulverizer, crushed, the sieve of 400 mesh is crossed, obtains
Refine blast furnace granulated slag；By the sulfuric acid solution in mass ratio 1 that gained refines blast furnace granulated slag with mass fraction is 10%：100 add single port
In flask, under the conditions of rotating speed is 400r/min, after being stirred dipping 60min, filtering, pretreatment blast furnace granulated slag is obtained；By matter
Number meter is measured, 30 parts of black liquids, 30 parts of chitosan liquid, 20 parts of soyabean protein powders, 6 parts of biogas slurry stirrings are placed in fermentation cauldron,
Under the conditions of temperature is 32 DEG C, mixed fermentation 5 days, zymotic fluid is obtained；Will pretreatment blast furnace granulated slag and zymotic fluid in mass ratio 1：30
Add in three-necked flask, under the conditions of rotating speed is 600r/min, after being mixed with dipping 60min, filtering, produce modified blast furnace granulated slag；
Count in parts by weight, take 40 parts of modified blast furnace granulated slags successively, 20 parts of gypsum, 20 parts of quick limes, 30 parts of cement, 60 parts of water, 20 parts
Coconut shell chars fiber, 6 parts of silane couplers are placed in batch mixer, under the conditions of rotating speed is 200r/min, are stirred 40min,
Mixed slurry, injected then to spraying releasing agent in mould, then by mixed slurry in mould, under the conditions of pressure is 15MPa,
It is compressing, blank is obtained, blank is placed in fog room, is 40 DEG C in temperature, humidity conserves 24h under the conditions of being 80%, produces resistance to
Long type blast furnace granulated slag building block.The cement is portland cement.The silane coupler is silane resin acceptor kh-550.It is described de-
Mould agent is discarded machine oil.
The blast furnace granulated slag building block of the gained of example 1 to 3 is subjected to performance detection, specific detection method is as follows：
Mechanical property：Experiment uses REGER board universal testing machines, and compression test is carried out to building block according to GB/T11969.
Anti-freezing property：Detected according to GB/T11969, carry out 15 Frozen-thawed cycleds respectively, and measure matter before and after freeze thawing
Amount, calculates mass loss rate, mass loss rate is smaller, then frost resistance is better respectively.
Testing result is as shown in table 1：
| Detection content | Example 1 | Example 2 | Example 3 |
| Compression strength/MPa | 10.1 | 7.1 | 7.4 |
| Mass loss rate/% | 0.7 | 3.6 | 2.5 |
From the testing result of table 1, present invention gained permanent seal cooling blast furnace granulated slag building block has excellent mechanical property and durability
Energy.
Claims (6)
- A kind of 1. permanent seal cooling blast furnace granulated slag building block, it is characterised in that：It is made up of the raw material of following parts by weight：30~40 parts change Property blast furnace granulated slag, 10~20 parts of gypsum, 10~20 parts of quick limes, 20~30 parts of cement, 50~60 parts of water, 10~20 parts of Modified Activated Carbons Change coir fibre, 5~6 parts of silane couplers；The preparation method of the modified blast furnace granulated slag is：（1）Blast furnace granulated slag is crushed, sieves, obtains refinement blast furnace granulated slag；（2）By above-mentioned gained refinement blast furnace granulated slag and sulfuric acid in mass ratio 1：50~1：100 are stirred, and impregnate, and filtering, obtain pre- Handle blast furnace granulated slag；（3）According to the mass fraction, by 20~30 parts of black liquids, 20~30 parts of chitosan liquid, 10~20 parts of soyabean protein powders, 5 ~6 parts of biogas slurries are stirred fermentation, obtain zymotic fluid；（4）Will pretreatment blast furnace granulated slag and zymotic fluid in mass ratio 1：20~1：30 are mixed with dipping, and filtering, produce modified blast furnace water Slag.
- A kind of 2. permanent seal cooling blast furnace granulated slag building block according to claim 1, it is characterised in that：The cement is silicate cement Any one in mud, Portland cement or portland-pozzolan cement.
- A kind of 3. permanent seal cooling blast furnace granulated slag building block according to claim 1, it is characterised in that：The modified charing coir fibre Preparation process be：It is 5~8% by coir fibre drying to moisture content, obtains dry coir fibre；By dry coir fibre and just Silester in mass ratio 1：20~1：30 are stirred dipping, filtering, obtain pretreatment coir fibre；Coir fibre will be pre-processed Nitrogen charging insulation charing, cooling, obtains coconut shell chars fiber；By coconut shell chars fiber and agar solution in mass ratio 1：20~1：30 mixing Dipping, filtering, obtains single treatment coconut shell chars fiber；Single treatment coconut shell chars fiber is smoked with the nitrogen containing trimethyl aluminium Steam, produce modified charing coir fibre.
- A kind of 4. permanent seal cooling blast furnace granulated slag building block according to claim 1, it is characterised in that：The silane coupler is silane Any one in coupling agent KH-550, silane coupler KH-560 or Silane coupling reagent KH-570.
- A kind of 5. permanent seal cooling blast furnace granulated slag building block according to claim 1, it is characterised in that：（1）The sieving for 300~ The sieve of 400 mesh.
- A kind of 6. permanent seal cooling blast furnace granulated slag building block according to claim 1, it is characterised in that：（3）The system of the chitosan liquid It is for process：By chitosan and water in mass ratio 1：50~1：After 100 mixing swellings, heating stirring dissolving, chitosan liquid is produced.
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| CN108675714A (en) * | 2018-05-25 | 2018-10-19 | 钱万琦 | A kind of preparation method of modified charing husk heat insulation brick |
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