CN109437723A - A kind of blocks with building refuse used for filler wall and its production technology - Google Patents
A kind of blocks with building refuse used for filler wall and its production technology Download PDFInfo
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- CN109437723A CN109437723A CN201811596091.4A CN201811596091A CN109437723A CN 109437723 A CN109437723 A CN 109437723A CN 201811596091 A CN201811596091 A CN 201811596091A CN 109437723 A CN109437723 A CN 109437723A
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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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of blocks with building refuse used for filler wall and its production technologies, are composed of the following raw materials by weight: building waste 20-50kg/m3, cement 10-15kg/m3, pulverized limestone 5-10kg/m3, cinder 5-12kg/m3, blinding 3-9kg/m3, two retarder 10-20g/m of glycine3, foaming agent 15-25g/m3, water-reducing agent 20-30g/m3, tackifier 100-300g/m3；Building waste by concrete waste material, waste mortar, old metal, brick and tile fragment, dregs, barren rock cotton board group at.Two retarder of glycine used in the present invention, the setting time that slurry can be slowed down provides the sufficient time to sizing material forming, is not in that slurry has not also used slurry the phenomenon that condensation occur, it ensure that molding building block is that the intensity and toughness of building block can be improved by sufficiently reacting.
Description
Technical field
The present invention relates to building block technical field, specifically a kind of blocks with building refuse used for filler wall and its production work
Skill.
Background technique
Building waste refers to that construction, unit in charge of construction or individual build all kinds of buildings, structures, pipe network etc., spread
If or removing, generated dregs, spoir, rejected material, mud and other wastes in reparative processes.Classify by generating source, builds
Rubbish can be divided into engineering dregs, decoration garbage, removal rubbish, engineering slurry etc.；Classify by constituent, can divide in building waste
For dregs, concrete block, crushed stone, brick and tile fragment, waste mortar, mud, asphalt blocks, waste plastics, old metal, useless bamboo wood etc..
With industrialization, the acceleration of urbanization process, construction industry is also fast-developing simultaneously, the building waste generated together
Increasing, the quantity of Chinese architecture rubbish has accounted for 1/3 of municipal refuse total amount or more.By 2011, Chinese city was solid
Body house refuse storage can calculate that building waste total amount is 2,100,000,000 to 2,800,000,000 tons up to 7,000,000,000 tons, annual new generation building waste
More than 300,000,000 tons, newly-increased building waste will account for 1.5 hundred million to 200,000,000 square metres of lands used.When China is in economic construction high speed development
Phase is inevitably generated several hundred million tons of building wastes every year.
Also there is the resource that can much utilize again in building waste, its secondary can be processed into building block again by us
Secondary utilization；Meanwhile retarder can be all added in current building block in process, when solidification to slow down concrete slurry
Between, convenient working, still, the retarding effect of present retarder have to be hoisted.To which the present invention provides a kind of used for filler wall
Blocks with building refuse and its production technology, to reach the reuse to building waste and be subject to improved purpose to retarder.
Summary of the invention
The purpose of the present invention is to provide a kind of blocks with building refuse used for filler wall and its production technologies, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of blocks with building refuse used for filler wall, is composed of the following raw materials by weight: building waste 20-50kg/m3, cement
10-15kg/m3, pulverized limestone 5-10kg/m3, cinder 5-12kg/m3, blinding 3-9kg/m3, two retarder 10-20g/ of glycine
m3, foaming agent 15-25g/m3, water-reducing agent 20-30g/m3, tackifier 100-300g/m3。
As a further solution of the present invention, two retarder of glycine is specifically by glycine, phosphorous acid, salt
The compound that acid, formaldehyde and liquid alkaline after chemical reaction are formed.
As the present invention, further scheme, the specific synthetic method of two retarder of glycine are as follows:
(1) glycine, phosphorous acid and hydrochloric acid are added in reaction vessel, and a small amount of water is added, heated, reaction temperature is protected
It holds between 100-108 DEG C, until reaction solution shows as clear as crystal shape；
(2) be then added formaldehyde in reaction solution, keep reaction temperature in step (1), after material reaction 2H, stop plus
Heat；
(3) liquid alkaline is added after being down to 60 DEG C or less in temperature, adjusts material pH value in 5-7；Cooled reaction solution is to room
Temperature, to obtain two retarder of glycine.
As further scheme of the invention, glycine, phosphorous acid and hydrochloric acid are used in two retarder of glycine
The ratio between amount is 1:2.1:2.
As the present invention, further scheme, the building waste are made of following raw material: concrete waste material, antiquated sand
Slurry, old metal, brick and tile fragment, dregs, useless asbestos board.
As the present invention further scheme, the concrete waste material, waste mortar, old metal, brick and tile fragment, dregs and
The weight ratio of useless asbestos board is 1:0.5:0.3:0.6:0.3:0.2.
As the present invention, further scheme, the tackifier are specially a kind of vinylacetate-ethylene-acrylate
Copolymer.
As further scheme of the invention, specific step is as follows for the production technology of the blocks with building refuse:
One, corresponding raw material is weighed according to above-mentioned parts by weight:
(1) cement, pulverized limestone, cinder, blinding, two retarder of glycine, foaming agent, water-reducing agent and tackifier described in
Normally weigh by weight, it is spare；
(2) raw material building waste is weighed:
A. the total weight of raw material building waste is determined first according to the proportion of parts by weight of raw materials；
B. in the concrete waste material according to building waste, waste mortar, old metal, brick and tile fragment, dregs and barren rock
The weight ratio of cotton plate calculates the weight of each composition, weighs the raw material of corresponding weight, spare；
Two, raw material crushes, is mixed to get slurry:
(1) it crushes:
A. cinder and blinding are screened by screening machine, screening machine can be less than the particle of 5mm by particle, filter out
Fine particle collection；Material of the particle filtered out greater than 5mm is crushed using pulverizer, is reached particle less than 5mm, is collected, spare；
B. concrete waste material, old metal, brick and tile fragment, dregs and the useless asbestos board in building waste raw material are used upper
The mode in step a is stated to screen, crush, it is spare；
(2) it mixes:
A. smashed concrete waste material, old metal, brick and tile fragment, dregs, useless asbestos board and waste mortar are used into stirring
Machine is stirred, and water is added in whipping process, first middling speed at the uniform velocity stirs, and adds materials in batches in whipping process, i.e., not
Same material alternately adds and same material is added several times, is finally uniformly mixed material in high-speed stirred；
B. it is equally added in batches to cement, pulverized limestone and smashed cinder and blinding are added in blender again,
And water is added, blender elder generation middling speed at the uniform velocity stirs, then high-speed stirred, and last middling speed at the uniform velocity stirs, until material is uniformly mixed；
C. after mixing, remain a constant speed material stirring, then two retarder of glycine, foaming are added into blender
Agent, water-reducing agent and tackifier continue to stir 0.5-1.5H, slurry are made；
Three, it forms, conserve and cuts:
(1) by slurry cast obtained in step 2 into molding die, 30-50min is stood, after its preliminarily stabilised,
It is put into fog room and conserves, maintenance room temperature is maintained between 50-80 degree, and temperature is raised slowly to 80 degree by 50 degree, maintenance
Time is in 5-8H；
(2) after the completion of fog room conserves, by molding building block demoulding, natural curing in the cool, time 3- are placed
5 days, within the feeding family time before last 1 day, building block is once sprayed every 3-4H；
(3) after the completion of natural curing, building block then prepares completion, can use cutting machine according to actual use size before use
It is cut.
The rate of high-speed stirred in the step 2 is 800-1000r/min, and the rate of moderate-speed mixer is 600-800r/
min。
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention manufactures building block using building waste, and material source is wide, price is low, makes the secondary benefit of building waste
With, the energy is saved, while not will cause secondary pollution again, has had preferable beneficial effect to environment and economy, suitable big rule
Mould is promoted, is used, wide market.
2, two retarder of glycine used in the present invention, can slow down the setting time of slurry, provide to sizing material forming
The sufficient time, is not in that slurry has not also used slurry the phenomenon that condensation occur, ensure that molding building block be by
It sufficiently reacts, the intensity and toughness of building block can be improved.
3, the simple production process, easy to operate in the present invention specifies stirring mode during material mixing and stirs
The method mixed rate, while also giving material addition, can improve the mixing rate and the uniformity of material, and in the maintenance of building block
In the process, it is carried out by the way of being gradually warmed up when indoor maintenance, maintenance effect can be made more preferable, increase the intensity of building block, and room
It is sprayed when outer maintenance, further ensures the intensity and toughness of building block.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
A kind of blocks with building refuse used for filler wall, is composed of the following raw materials by weight: building waste 20kg/m3, cement
10kg/m3, pulverized limestone 5kg/m3, cinder 5kg/m3, blinding 3kg/m3, two retarder 10g/m of glycine3, foaming agent 15g/m3、
Water-reducing agent 20g/m3, tackifier 100g/m3。
Two retarder of glycine is specifically by glycine, phosphorous acid, hydrochloric acid, formaldehyde and liquid alkaline after chemical reaction
The compound of formation, wherein the ratio between glycine, phosphorous acid and hydrochloric acid dosage are 1:2.1:2, buffering made of this proportional arrangement
Agent is that effect is optimal.
The specific synthetic method of two retarder of glycine is as follows:
(1) glycine, phosphorous acid and hydrochloric acid are added in reaction vessel, and a small amount of water is added, heated, reaction temperature is protected
It holds between 100-108 DEG C, until reaction solution shows as clear as crystal shape；
(2) be then added formaldehyde in reaction solution, keep reaction temperature in step (1), after material reaction 2H, stop plus
Heat；
(3) liquid alkaline is added after being down to 60 DEG C or less in temperature, adjusts material pH value in 5-7；Cooled reaction solution is to room
Temperature, to obtain two retarder of glycine.
The building waste is made of following raw material: concrete waste material, old metal, brick and tile fragment, dregs, gives up at waste mortar
Asbestos board, and concrete waste material, waste mortar, old metal, brick and tile fragment, dregs and useless asbestos board weight ratio be 1:0.5:
0.3:0.6:0.3:0.2；Meanwhile the tackifier are specifically using a kind of vinylacetate-ethylene-acrylic ester copolymer
Object.
Specific step is as follows for the production technology of blocks with building refuse in the present embodiment:
One, corresponding raw material is weighed according to above-mentioned parts by weight:
(1) cement, pulverized limestone, cinder, blinding, two retarder of glycine, foaming agent, water-reducing agent and tackifier described in
Normally weigh by weight, it is spare；
(2) weigh raw material building waste: building waste raw material is made of plurality of raw materials, has centainly match when in use
Than, it is therefore desirable to material is weighed according to proportion.
A. the total weight of raw material building waste is determined first according to the proportion of parts by weight of raw materials；
B. in the concrete waste material according to building waste, waste mortar, old metal, brick and tile fragment, dregs and barren rock
The weight ratio of cotton plate calculates the weight of each composition, weighs the raw material of corresponding weight, spare；
Two, raw material crush, be mixed to get slurry: by crushing material be in order to which material preferably mixes, can be better
It is uniformly mixed and does not influence subsequent use, different stirring modes is used in mixed process, is for better mixture
Material, improve the efficiency of mixing, and in batches add materials also for realize this purpose.
(1) it crushes:
A. cinder and blinding are screened by screening machine, screening machine can be less than the particle of 5mm by particle, filter out
Fine particle collection；Material of the particle filtered out greater than 5mm is crushed using pulverizer, is reached particle less than 5mm, is collected, spare；
B. concrete waste material, old metal, brick and tile fragment, dregs and the useless asbestos board in building waste raw material are used upper
The mode in step a is stated to screen, crush, it is spare；
(2) it mixes:
A. smashed concrete waste material, old metal, brick and tile fragment, dregs, useless asbestos board and waste mortar are used into stirring
Machine is stirred, and water is added in whipping process, and first middling speed at the uniform velocity stirs, rate 600r/min, and in whipping process in batches
It adds materials, i.e., different materials alternately adds and same material is added several times, finally mix material in high-speed stirred
Uniformly, high-speed stirred rate 800r/min；
B. it is equally added in batches to cement, pulverized limestone and smashed cinder and blinding are added in blender again,
And water is added, blender elder generation middling speed at the uniform velocity stirs, rate 600r/min, then high-speed stirred, rate 800r/min, and last middling speed is even
Speed stirring, rate 600r/min, until material is uniformly mixed；
C. after mixing, remain a constant speed material stirring, then two retarder of glycine, foaming are added into blender
Agent, water-reducing agent and tackifier continue to stir 0.5H, slurry are made；
Three, form, conserve and cut: the molding of building block is not to rest entirely in fog room to conserve nor being placed directly in room
Outer maintenance, but carried out in such a way that fog room and outdoor combine, when fog room maintenance is the maintenance in order to accelerate building block
Between, and the method gradually risen using temperature, the intensity and toughness of building block are improved, is then conserved in outdoor, and sprayed
Leaching further increases the intensity and toughness of building block.
(1) it by slurry cast obtained in step 2 into molding die, stands 30min and is put into after its preliminarily stabilised
It is conserved in fog room, maintenance room temperature is maintained between 50-80 degree, and temperature is raised slowly to 80 degree by 50 degree, curing time
In 5H；
(2) after the completion of fog room conserves, by molding building block demoulding, natural curing in the cool, time 3 are placed
It on day 3 once sprays building block every 3H；
(3) after the completion of natural curing, building block then prepares completion, can use cutting machine according to actual use size before use
It is cut.
Embodiment 2
A kind of blocks with building refuse used for filler wall, is composed of the following raw materials by weight: building waste 35kg/m3, cement
12kg/m3, pulverized limestone 7kg/m3, cinder 9kg/m3, blinding 6kg/m3, two retarder 15g/m of glycine3, foaming agent 20g/m3、
Water-reducing agent 25g/m3, tackifier 200g/m3。
Two retarder of glycine is specifically by glycine, phosphorous acid, hydrochloric acid, formaldehyde and liquid alkaline after chemical reaction
The compound of formation, wherein the ratio between glycine, phosphorous acid and hydrochloric acid dosage are 1:2.1:2, buffering made of this proportional arrangement
Agent is that effect is optimal.
The specific synthetic method of two retarder of glycine is as follows:
(1) glycine, phosphorous acid and hydrochloric acid are added in reaction vessel, and a small amount of water is added, heated, reaction temperature is protected
It holds between 100-108 DEG C, until reaction solution shows as clear as crystal shape；
(2) be then added formaldehyde in reaction solution, keep reaction temperature in step (1), after material reaction 2H, stop plus
Heat；
(3) liquid alkaline is added after being down to 60 DEG C or less in temperature, adjusts material pH value in 5-7；Cooled reaction solution is to room
Temperature, to obtain two retarder of glycine.
The building waste is made of following raw material: concrete waste material, old metal, brick and tile fragment, dregs, gives up at waste mortar
Asbestos board, and concrete waste material, waste mortar, old metal, brick and tile fragment, dregs and useless asbestos board weight ratio be 1:0.5:
0.3:0.6:0.3:0.2；Meanwhile the tackifier are specifically using a kind of vinylacetate-ethylene-acrylic ester copolymer
Object.
Specific step is as follows for the production technology of blocks with building refuse in the present embodiment:
One, corresponding raw material is weighed according to above-mentioned parts by weight:
(1) cement, pulverized limestone, cinder, blinding, two retarder of glycine, foaming agent, water-reducing agent and tackifier described in
Normally weigh by weight, it is spare；
(2) weigh raw material building waste: building waste raw material is made of plurality of raw materials, has centainly match when in use
Than, it is therefore desirable to material is weighed according to proportion.
A. the total weight of raw material building waste is determined first according to the proportion of parts by weight of raw materials；
B. in the concrete waste material according to building waste, waste mortar, old metal, brick and tile fragment, dregs and barren rock
The weight ratio of cotton plate calculates the weight of each composition, weighs the raw material of corresponding weight, spare；
Two, raw material crush, be mixed to get slurry: by crushing material be in order to which material preferably mixes, can be better
It is uniformly mixed and does not influence subsequent use, different stirring modes is used in mixed process, is for better mixture
Material, improve the efficiency of mixing, and in batches add materials also for realize this purpose.
(1) it crushes:
A. cinder and blinding are screened by screening machine, screening machine can be less than the particle of 5mm by particle, filter out
Fine particle collection；Material of the particle filtered out greater than 5mm is crushed using pulverizer, is reached particle less than 5mm, is collected, spare；
B. concrete waste material, old metal, brick and tile fragment, dregs and the useless asbestos board in building waste raw material are used upper
The mode in step a is stated to screen, crush, it is spare；
(2) it mixes:
A. smashed concrete waste material, old metal, brick and tile fragment, dregs, useless asbestos board and waste mortar are used into stirring
Machine is stirred, and water is added in whipping process, and first middling speed at the uniform velocity stirs, rate 700r/min, and in whipping process in batches
It adds materials, i.e., different materials alternately adds and same material is added several times, finally mix material in high-speed stirred
Uniformly, high-speed stirred rate 900r/min；
B. it is equally added in batches to cement, pulverized limestone and smashed cinder and blinding are added in blender again,
And water is added, blender elder generation middling speed at the uniform velocity stirs, rate 700r/min, then high-speed stirred, rate 900r/min, and last middling speed is even
Speed stirring, rate 700r/min, until material is uniformly mixed；
C. after mixing, remain a constant speed material stirring, then two retarder of glycine, foaming are added into blender
Agent, water-reducing agent and tackifier continue to stir 1H, slurry are made；
Three, form, conserve and cut: the molding of building block is not to rest entirely in fog room to conserve nor being placed directly in room
Outer maintenance, but carried out in such a way that fog room and outdoor combine, when fog room maintenance is the maintenance in order to accelerate building block
Between, and the method gradually risen using temperature, the intensity and toughness of building block are improved, is then conserved in outdoor, and sprayed
Leaching further increases the intensity and toughness of building block.
(1) it by slurry cast obtained in step 2 into molding die, stands 40min and is put into after its preliminarily stabilised
It is conserved in fog room, maintenance room temperature is maintained between 50-80 degree, and temperature is raised slowly to 80 degree by 50 degree, curing time
In 6H；
(2) after the completion of fog room conserves, by molding building block demoulding, natural curing in the cool, time 4 are placed
It on day 4 once sprays building block every 3.5H；
(3) after the completion of natural curing, building block then prepares completion, can use cutting machine according to actual use size before use
It is cut.
Embodiment 3
A kind of blocks with building refuse used for filler wall, is composed of the following raw materials by weight: building waste 50kg/m3, cement
15kg/m3, pulverized limestone 10kg/m3, cinder 12kg/m3, blinding 9kg/m3, two retarder 20g/m of glycine3, foaming agent 25g/
m3, water-reducing agent 30g/m3, tackifier 300g/m3。
Two retarder of glycine is specifically by glycine, phosphorous acid, hydrochloric acid, formaldehyde and liquid alkaline after chemical reaction
The compound of formation, wherein the ratio between glycine, phosphorous acid and hydrochloric acid dosage are 1:2.1:2, buffering made of this proportional arrangement
Agent is that effect is optimal.
The specific synthetic method of two retarder of glycine is as follows:
(1) glycine, phosphorous acid and hydrochloric acid are added in reaction vessel, and a small amount of water is added, heated, reaction temperature is protected
It holds between 100-108 DEG C, until reaction solution shows as clear as crystal shape；
(2) be then added formaldehyde in reaction solution, keep reaction temperature in step (1), after material reaction 2H, stop plus
Heat；
(3) liquid alkaline is added after being down to 60 DEG C or less in temperature, adjusts material pH value in 5-7；Cooled reaction solution is to room
Temperature, to obtain two retarder of glycine.
The building waste is made of following raw material: concrete waste material, old metal, brick and tile fragment, dregs, gives up at waste mortar
Asbestos board, and concrete waste material, waste mortar, old metal, brick and tile fragment, dregs and useless asbestos board weight ratio be 1:0.5:
0.3:0.6:0.3:0.2；Meanwhile the tackifier are specifically using a kind of vinylacetate-ethylene-acrylic ester copolymer
Object.
Specific step is as follows for the production technology of blocks with building refuse in the present embodiment:
One, corresponding raw material is weighed according to above-mentioned parts by weight:
(1) cement, pulverized limestone, cinder, blinding, two retarder of glycine, foaming agent, water-reducing agent and tackifier described in
Normally weigh by weight, it is spare；
(2) weigh raw material building waste: building waste raw material is made of plurality of raw materials, has centainly match when in use
Than, it is therefore desirable to material is weighed according to proportion.
A. the total weight of raw material building waste is determined first according to the proportion of parts by weight of raw materials；
B. in the concrete waste material according to building waste, waste mortar, old metal, brick and tile fragment, dregs and barren rock
The weight ratio of cotton plate calculates the weight of each composition, weighs the raw material of corresponding weight, spare；
Two, raw material crush, be mixed to get slurry: by crushing material be in order to which material preferably mixes, can be better
It is uniformly mixed and does not influence subsequent use, different stirring modes is used in mixed process, is for better mixture
Material, improve the efficiency of mixing, and in batches add materials also for realize this purpose.
(1) it crushes:
A. cinder and blinding are screened by screening machine, screening machine can be less than the particle of 5mm by particle, filter out
Fine particle collection；Material of the particle filtered out greater than 5mm is crushed using pulverizer, is reached particle less than 5mm, is collected, spare；
B. concrete waste material, old metal, brick and tile fragment, dregs and the useless asbestos board in building waste raw material are used upper
The mode in step a is stated to screen, crush, it is spare；
(2) it mixes:
A. smashed concrete waste material, old metal, brick and tile fragment, dregs, useless asbestos board and waste mortar are used into stirring
Machine is stirred, and water is added in whipping process, and first middling speed at the uniform velocity stirs, rate 800r/min, and in whipping process in batches
It adds materials, i.e., different materials alternately adds and same material is added several times, finally mix material in high-speed stirred
Uniformly, high-speed stirred rate 1000r/min；
B. it is equally added in batches to cement, pulverized limestone and smashed cinder and blinding are added in blender again,
And water is added, blender elder generation middling speed at the uniform velocity stirs, rate 800r/min, then high-speed stirred, rate 1000r/min, last middling speed
It at the uniform velocity stirs, rate 800r/min, until material is uniformly mixed；
C. after mixing, remain a constant speed material stirring, then two retarder of glycine, foaming are added into blender
Agent, water-reducing agent and tackifier continue to stir 1.5H, slurry are made；
Three, form, conserve and cut: the molding of building block is not to rest entirely in fog room to conserve nor being placed directly in room
Outer maintenance, but carried out in such a way that fog room and outdoor combine, when fog room maintenance is the maintenance in order to accelerate building block
Between, and the method gradually risen using temperature, the intensity and toughness of building block are improved, is then conserved in outdoor, and sprayed
Leaching further increases the intensity and toughness of building block.
(1) it by slurry cast obtained in step 2 into molding die, stands 50min and is put into after its preliminarily stabilised
It is conserved in fog room, maintenance room temperature is maintained between 50-80 degree, and temperature is raised slowly to 80 degree by 50 degree, curing time
In 8H；
(2) after the completion of fog room conserves, by molding building block demoulding, natural curing in the cool, time 5 are placed
It once sprayed building block every 4H at the 5th day；
(3) after the completion of natural curing, building block then prepares completion, can use cutting machine according to actual use size before use
It is cut.
The present invention manufactures building block using building waste, and material source is wide, price is low, makes building waste secondary use,
The energy has been saved, while not will cause secondary pollution again, has had preferable beneficial effect to environment and economy, has been suitble to push away on a large scale
Extensively, it uses, wide market；
Two retarder of glycine for making synthesis, can slow down the setting time of slurry, provide abundance to sizing material forming
Time is not in that slurry has not also used slurry the phenomenon that condensation occur, ensure that molding building block is by sufficiently anti-
It answers, the intensity and toughness of building block can be improved；
And it is simple production process of the invention, easy to operate, stirring mode and stirring are specified during material mixing
Rate, while the method for also giving material addition, can improve the mixing rate and the uniformity of material, and in the maintenance of building block
Cheng Zhong, when indoor maintenance, are carried out by the way of being gradually warmed up, and maintenance effect can be made more preferable, increase the intensity of building block, and outdoor
It is sprayed when maintenance, further ensures the intensity and toughness of building block.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (9)
1. a kind of blocks with building refuse used for filler wall, which is characterized in that be composed of the following raw materials by weight:
Building waste 20-50kg/m3, cement 10-15kg/m3, pulverized limestone 5-10kg/m3, cinder 5-12kg/m3, blinding 3-
9kg/m3, two retarder 10-20g/m of glycine3, foaming agent 15-25g/m3, water-reducing agent 20-30g/m3, tackifier 100-300g/
m3。
2. a kind of blocks with building refuse used for filler wall according to claim 1, which is characterized in that the glycine two is slow
Solidifying agent is specifically the compound formed by glycine, phosphorous acid, hydrochloric acid, formaldehyde and liquid alkaline after chemical reaction.
3. a kind of blocks with building refuse used for filler wall according to claim 2, which is characterized in that two slow setting of glycine
The specific synthetic method of agent is as follows:
(1) glycine, phosphorous acid and hydrochloric acid are added in reaction vessel, and a small amount of water is added, heated, reaction temperature is maintained at
Between 100-108 DEG C, until reaction solution shows as clear as crystal shape；
(2) it is then added formaldehyde in reaction solution, keeps reaction temperature in step (1), after material reaction 2H, stop heating；
(3) liquid alkaline is added after being down to 60 DEG C or less in temperature, adjusts material pH value in 5-7；Cooled reaction solution to room temperature, from
And obtain two retarder of glycine.
4. a kind of blocks with building refuse used for filler wall according to claim 3, which is characterized in that the glycine two is slow
The ratio between glycine, phosphorous acid and hydrochloric acid dosage are 1:2.1:2 in solidifying agent.
5. a kind of blocks with building refuse used for filler wall according to claim 1, which is characterized in that the building waste by with
Lower raw material composition: concrete waste material, waste mortar, old metal, brick and tile fragment, dregs, useless asbestos board.
6. a kind of blocks with building refuse used for filler wall according to claim 5, which is characterized in that the concrete waste material,
Waste mortar, old metal, brick and tile fragment, dregs and useless asbestos board weight ratio be 1:0.5:0.3:0.6:0.3:0.2.
7. a kind of blocks with building refuse used for filler wall according to claim 1, which is characterized in that the tackifier are specially
A kind of vinylacetate-ethylene-acrylate copolymer.
8. a kind of production technology of blocks with building refuse used for filler wall, feature described in any one of -7 according to claim 1
It is, the specific steps are as follows:
One, corresponding raw material is weighed according to above-mentioned parts by weight:
(1) cement, pulverized limestone, cinder, blinding, two retarder of glycine, foaming agent, water-reducing agent and tackifier described in are pressed
Parts by weight normally weigh, spare；
(2) raw material building waste is weighed:
A. the total weight of raw material building waste is determined first according to the proportion of parts by weight of raw materials；
B. in the concrete waste material according to building waste, waste mortar, old metal, brick and tile fragment, dregs and useless asbestos board
Weight ratio calculate the weight of each composition, weigh the raw material of corresponding weight, it is spare；
Two, raw material crushes, is mixed to get slurry:
(1) it crushes:
A. cinder and blinding are screened by screening machine, screening machine can be less than the particle of 5mm, thin filtered out by particle
Grain is collected；Material of the particle filtered out greater than 5mm is crushed using pulverizer, is reached particle less than 5mm, is collected, spare；
B. concrete waste material, old metal, brick and tile fragment, dregs and the useless asbestos board in building waste raw material are used into above-mentioned step
Mode in rapid a is screened, is crushed, spare；
(2) it mixes:
A. smashed concrete waste material, old metal, brick and tile fragment, dregs, useless asbestos board and waste mortar are stirred using blender
Mixing is mixed, water is added in whipping process, first middling speed at the uniform velocity stirs, and adds materials in batches in whipping process, i.e., different
Material alternately adds and same material is added several times, is finally uniformly mixed material in high-speed stirred；
B. it equally adds, and adds in batches to cement, pulverized limestone and smashed cinder and blinding are added in blender again
Enter water, blender elder generation middling speed at the uniform velocity stirs, then high-speed stirred, and last middling speed at the uniform velocity stirs, until material is uniformly mixed；
C. after mixing, remain a constant speed material stirring, then into blender be added two retarder of glycine, foaming agent,
Water-reducing agent and tackifier continue to stir 0.5-1.5H, slurry are made；
Three, it forms, conserve and cuts:
(1) it by slurry cast obtained in step 2 into molding die, stands 30-50min and is put into after its preliminarily stabilised
It is conserved in fog room, maintenance room temperature is maintained between 50-80 degree, and temperature is raised slowly to 80 degree by 50 degree, curing time
In 5-8H；
(2) after the completion of fog room conserves, by molding building block demoulding, natural curing in the cool is placed, the time is 3-5 days,
Within the feeding family time before last 1 day, building block is once sprayed every 3-4H；
(3) after the completion of natural curing, building block then prepares completion, cutting machine can be used to it according to actual use size before use
Cutting.
9. a kind of production technology of blocks with building refuse used for filler wall according to claim 8, which is characterized in that the step
The rate of high-speed stirred in rapid two is 800-1000r/min, and the rate of moderate-speed mixer is 600-800r/min.
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| CN201811596091.4A CN109437723A (en) | 2018-12-26 | 2018-12-26 | A kind of blocks with building refuse used for filler wall and its production technology |
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