CN102910889A - Aerated concrete wall material containing river silt and preparation method thereof - Google Patents
Aerated concrete wall material containing river silt and preparation method thereof Download PDFInfo
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Abstract
The invention relates to an aerated concrete wall material and a preparation method thereof, in particular to an aerated concrete wall material containing river silt and a preparation method thereof. The aerated concrete wall material comprises the following main components in percentage by weight: 60-75% of river silt, 1-10% of cement, 13-28% of lime, 1-2% of gypsum powder, 6-10% of aluminum powder and 2-11% of foam stabilizing agent, and the sum of weight percentages of the components is 100%. In the invention, river silt dug out by regulating the Yangtze River can be effectively utilized, energy is saved, emission is reduced, the ecological environment is protected, and the processed aerated concrete wall material also has high compressive strength and high bending strength.
Description
Technical field
The present invention relates to a kind of air-entrained concrete wall material and preparation method thereof, specifically a kind of air-entrained concrete wall material that contains river silt sand and preparation method thereof.
Background technology
Traditional be used in architectural fragment of brick generally to adopt solid clay brick be fired common brick (being commonly called as common brick), these brick major parts be the clay of ploughing be that the raw material sintering is made, to ploughing, destroy serious, cause the loss of a large amount of land resourcess, in its sintering procedure, also can waste a large amount of fuel and cause atmospheric pollution simultaneously.In addition, present this common brick exists numerous shortcomings such as Heavy Weight, poor processability, sound-proofing properties be poor.Along with the fast development of social progress, building, repairs profession, the requirement of air-entrained concrete wall material is also more and more paid attention to.
At present, the main component of processing and manufacturing gas concrete is flyash or sand, due to flyash or the material cost of sand own high, and due to the economic macro adjustments and controls of nation needs, building trade recedes to a low ebb, and causes gas concrete to manufacture profit and greatly reduces, and adopts especially sand to manufacture air-entrained concrete wall material, due to the excessive sand of adopting, greatly influence ecological environment is decided to be inadvisable.And river silt sand is that country is through examining the project that sand is adopted in the reclamation by pumping filling of enforceable regulation yangtze river channel of being permitted, adopt the sand total amount very large, because the husky color of river silt is black and silt content is large, can not become building sand, can only be used for filling ground, real be the billow resource of giving up; Because river silt sand itself is a kind of silicate minerals of stabilizer pole, can reach containing the SiO2 amount calcium silicon ratio that meets gas concrete more than 75% fully, so, can generate high-intensity aerated concrete products in theory.If can find a technical scheme of comprehensively and effectively utilizing river silt sand, can both for reducing discharging, national energy-saving exert oneself, preserve the ecological environment again.Therefore, how with river silt sand, to manufacture air-entrained concrete wall material, and make air-entrained concrete wall material there is better performance, reach energy-saving and emission-reduction, environmental, preserve the ecological environment, being one has technical problem to be solved.
Summary of the invention
Technical problem to be solved by this invention is; a kind of air-entrained concrete wall material that contains river silt sand and preparation method thereof is proposed; the river silt sand that can effectively utilize the regulation yangtze river channel and dig out; energy-saving and emission-reduction; when preserving the ecological environment, can make again the air-entrained concrete wall material processed there is high compressive strength and high-flexural strength.
The technical scheme that the present invention solves above technical problem is:
A kind of air-entrained concrete wall material that contains river silt sand, it is comprised of compound A and compound B, and the weight proportion of compound A and compound B is 1:1～5:1;
The weight percent component of compound A is: river silt sand: 60%～75%, and cement: 1%～10%, lime: 13%～28%, terra alba: 1%～2%, aluminium powder: 6%～10%, suds-stabilizing agent: 2%-11%, above each weight percentages of components sum is 100%;
The weight percent component of compound B is: base-material: 35%～53%, and magnesium chloride solution: 10%～15%, magnesium oxide: 5%～12%, wedding agent: 2%～5%, additive: 1%～5%, cement: 25～35%, terra alba: 3～5%, water reducer: 1～2%, setting accelerator: 1～2%, Quilonum Retard: 1～2%, fiber: 1～2%, firm masterbatch: 1～2%, above each weight percentages of components sum is 100%;
The weight percent component of base-material is: flyash: 25～35%, and blast furnace slag: 12～16%, phosphogypsum: 15～18%, carbide slag: 8～13%, converter slag: 13～23%, binding agent: 5～8%, above each weight percentages of components sum is 100%;
The weight percent component of wedding agent is: sodium lignosulfonate 25～65%, and phosphoric acid salt: 35～75%, above each weight percentages of components sum is 100%;
The weight percent component of additive is: high-alumina fly: 45%～52%, and Rocky sand crystal: 30%～33%, aqueous sodium hydroxide solution: 15%～25%, above each weight percentages of components sum is 100%;
Firm masterbatch is composed of the following components by weight percentage: lithium carbide 25～75%, calcium stearate 25～75%;
The weight percent component of binding agent is: water glass: 60%～68%, and sodium sulfate: 27%～35%, sodium carbonate: 2%～5%, above each weight percentages of components sum is 100%.
Contain river silt sand in air-entrained concrete wall material base-material of the present invention; rational proportion by other composition; not only effectively moulding; and ultimate compression strength and the bending strength of air-entrained concrete wall material had to certain promoter action; thereby reach and effectively utilize river silt sand; energy-saving and emission-reduction, the purpose of preserving the ecological environment.In air-entrained concrete wall material component of the present invention, the rational proportion of wedding agent and additive, can strengthen air-entrained concrete wall material fire prevention, waterproof and vermins-proof effect, also, for the steam-cured processing condition that reduced in production technique, improved production efficiency.
The preparation method of the air-entrained concrete wall material that contains river silt sand, carry out according to the following steps:
(i) river silt sand, cement, lime, terra alba, aluminium powder and suds-stabilizing agent are put in stirrer and stirred by proportioning, make its full and uniform mixing, obtain compound A;
(ii) the solid magnesium chloride is poured in pond, added water it is dissolved fully, and be formulated to desired concn, wait the magnesium chloride solution temperature to drop to below 30 ℃;
(iii) the magnesium chloride solution and the MgO that prepare are put in stirrer and stir by proportioning, make its full and uniform mixing, obtain the first compound;
(iv) prepare binding agent, base-material, wedding agent, additive and firm masterbatch by proportioning successively, and by proportioning, the base-material, wedding agent, additive and the firm masterbatch that prepare are put in stirrer, the first compound that adds step (iii) to obtain, stir, add cement, terra alba, water reducer, setting accelerator, Quilonum Retard and fiber by proportioning again, stir, obtain air-entrained concrete wall material brick slurry;
(v) the air-entrained concrete wall material brick slurry (iii) step obtained is poured in brick-making mould, in brick-making mould in reaction generate bubble, natural moulding in 4～8 hours, obtain air-entrained concrete wall material brick idiosome;
(vi) air-entrained concrete wall material brick idiosome is put in steam-cured chamber steam-curedly, steam-cured chambers temp is 45～55 ℃, and the steam-cured time is 1～2 hour, obtains steam-cured good air-entrained concrete wall material brick idiosome and is put on cutting machine and is processed into fragment of brick by desired size;
(vii) by step (vi) fragment of brick is extremely put into the high pressure autoclave and is carried out steam-curedly, steam curing temperature is 150～175 ℃, 6～10 hours time, pressure 1～2 MPa;
(viii) the fragment of brick in the high pressure autoclave is removed to pressure, lowered the temperature and gone out still, obtained product.
Use the steam-cured of comparatively high temps and short period in this technique, add the distribution and the shaping that are beneficial to bubble, make the shape and the similar netted structure of formation that distributes of bubble, thereby increase brick body inner structural strength, reach the ultimate compression strength and the bending strength that increase air-entrained concrete wall material; In addition, step comparatively high temps (vi) and steam-cured another technique effect that also brought of short period, (vii) step without very high-temperature and elevated pressures, has also shortened the steam-cured time, thereby has improved production efficiency, has guaranteed process safety.
The technical scheme that the present invention further limits is:
The aforesaid air-entrained concrete wall material that contains river silt sand, water reducer is lignosulfonic acid sodium salt water reducer, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent or high-efficiency water-reducing agent of poly-carboxylic acid; Setting accelerator water glass or Tai-Ace S 150.
The aforesaid air-entrained concrete wall material that contains river silt sand, the weight percent concentration of magnesium chloride solution is 39～42%; The weight percent concentration of aqueous sodium hydroxide solution is 12～17%.
The invention has the beneficial effects as follows:
Simple in production process operation of the present invention, can produce qualified air-entrained concrete wall material, air-entrained concrete wall material of the present invention has that fire prevention, waterproof, Anti-moth-eating, lightweight, resistance to compression bending resistance, intensity are high, the advantage such as tongue green for a long time not, its raw material ratio formation has determined its waterproof and the performance of Anti-moth-eating, fire resistance meets the standard of not firing class material (A level), ultimate compression strength is greater than 53Mpa, bending strength is for being greater than 80Mpa, use 3 years tongues not green for a long time under moist environment, due to it not containing formaldehyde and benzene, so environmental protection; In addition, effectively utilize industrial solid castoff, utilization of waste material, environmental, really turn waste into wealth.
In addition, air-entrained concrete wall material of the present invention also has following characteristics: lightweight, general weight is 500-700kg/m
3, only being equivalent to clay brick 1/4-1/5,1/5 of normal concrete, be lighter a kind of in concrete, than the deadweight of common brick concrete structure building, reduces more than 40%; Thermal and insulating performance is good, and thermal conductivity is 1/6 of normal concrete, and thermal and insulating performance is 3-4 times of clay brick, and the 4-8 of normal concrete doubly, has good weather resistance and sound absorbing power, and heat-proof quality is better than the clay brick body of wall that 240mm is thick greatly; Shock resistance is strong, and light capacity, overall performance are good, mass force is little during earthquake, so have certain shock resistance; Good processability: there is good processing characteristics, can saw, dig, follow closely, mill, bore, to construction bring great convenience with flexibly; High thermal resistance, be 600 degree when following in temperature, and its ultimate compression strength slightly has growth, when temperature during in 600 degree left and right, and ultimate compression strength when its ultimate compression strength approaches normal temperature, fire resistance reaches country-level fire-protection standard; Sound-proofing properties is good, and internal structure image planes bag is the same, and therefore a large amount of sealed porosity that distributing equably has the sound absorption qualities that the common buildings material is not had.
The present invention uses river silt sand; the manufacturing cost of gas concrete is reduced greatly, and can be comprehensively and effectively utilize river silt sand, make to renovate yangtze river channel and the river silt sand that digs out can effectively be utilized; both for national energy-saving reduces discharging, exerted oneself, and can preserve the ecological environment again same.
Embodiment
Embodiment 1
The present embodiment is a kind of air-entrained concrete wall material that contains river silt sand, and it is comprised of compound A and compound B, and the weight proportion of compound A and compound B is 5:1.
The weight percent component of compound A is: river silt sand: 60%, and cement: 5%, lime: 13%, terra alba: 1%, aluminium powder: 10%, suds-stabilizing agent 11%.
The weight percent component of compound B is: base-material: 40%, and magnesium chloride solution: 15%, magnesium oxide: 5%, wedding agent: 2%, additive: 4%, cement: 26%, terra alba: 3%, water reducer: 1%, setting accelerator: 1%, Quilonum Retard: 1%, fiber: 1%, firm masterbatch: 1%; The weight percent concentration of magnesium chloride solution is 39%; Water reducer is lignosulfonic acid sodium salt water reducer, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent or high-efficiency water-reducing agent of poly-carboxylic acid; Setting accelerator water glass or Tai-Ace S 150.
The weight percent component of base-material is: flyash: 25%, and blast furnace slag: 16%, phosphogypsum: 18%, carbide slag: 13%, converter slag: 23%, binding agent: 5%.
The weight percent component of wedding agent is: sodium lignosulfonate 25%, phosphoric acid salt: 75%.
The weight percent component of additive is: high-alumina fly: 45%, and Rocky sand crystal: 30%, aqueous sodium hydroxide solution: 25%; The weight percent concentration of aqueous sodium hydroxide solution is 12%.
Firm masterbatch is composed of the following components by weight percentage: lithium carbide 25%, calcium stearate 75%.
The weight percent component of binding agent is: water glass: 60%%, and sodium sulfate: 35%, sodium carbonate: 5%.
Contain river silt sand in air-entrained concrete wall material base-material of the present invention; rational proportion by other composition; not only effectively moulding; and ultimate compression strength and the bending strength of air-entrained concrete wall material had to certain promoter action; thereby reach and effectively utilize river silt sand; energy-saving and emission-reduction, the purpose of preserving the ecological environment.In air-entrained concrete wall material component of the present invention, the rational proportion of wedding agent and additive, can strengthen air-entrained concrete wall material fire prevention, waterproof and vermins-proof effect, also, for the steam-cured processing condition that reduced in production technique, improved production efficiency.
The preparation method of the air-entrained concrete wall material that contains river silt sand, carry out according to the following steps:
(i) river silt sand, cement, lime, terra alba, aluminium powder and suds-stabilizing agent are put in stirrer and stirred by proportioning, make its full and uniform mixing, obtain compound A;
(ii) the solid magnesium chloride is poured in pond, added water it is dissolved fully, and be formulated to desired concn, wait the magnesium chloride solution temperature to drop to below 30 ℃;
(iii) the magnesium chloride solution and the MgO that prepare are put in stirrer and stir by proportioning, make its full and uniform mixing, obtain the first compound;
(iv) prepare binding agent, base-material, wedding agent, additive and firm masterbatch by proportioning successively, and by proportioning, the base-material, wedding agent, additive and the firm masterbatch that prepare are put in stirrer, the first compound that adds step (iii) to obtain, stir, add cement, terra alba, water reducer, setting accelerator, Quilonum Retard and fiber by proportioning again, stir, obtain air-entrained concrete wall material brick slurry;
(v) the air-entrained concrete wall material brick slurry (iii) step obtained is poured in brick-making mould, in brick-making mould in reaction generate bubble, natural moulding in 8 hours, obtain air-entrained concrete wall material brick idiosome;
(vi) air-entrained concrete wall material brick idiosome is put in steam-cured chamber steam-curedly, steam-cured chambers temp is 45 ℃, and the steam-cured time is 2 hours, obtains steam-cured good air-entrained concrete wall material brick idiosome and is put on cutting machine and is processed into fragment of brick by desired size;
The fragment of brick that (vii) (v) step must be obtained is put into the high pressure autoclave and is carried out steam-curedly, and steam curing temperature is 150 ℃, 10 hours time, pressure 1 MPa;
(viii) the fragment of brick in the high pressure autoclave is removed to pressure, lowered the temperature and gone out still, obtained product.
Use the steam-cured of comparatively high temps and short period in this technique, add the distribution and the shaping that are beneficial to bubble, make the shape and the similar netted structure of formation that distributes of bubble, thereby increase brick body inner structural strength, reach the ultimate compression strength and the bending strength that increase air-entrained concrete wall material; In addition, step comparatively high temps (vi) and steam-cured another technique effect that also brought of short period, (vii) step without very high-temperature and elevated pressures, has also shortened the steam-cured time, thereby has improved production efficiency, has guaranteed process safety.
Embodiment 2
The present embodiment is a kind of air-entrained concrete wall material that contains river silt sand, and it is comprised of compound A and compound B, and the weight proportion of compound A and compound B is 3:1.
The weight percent component of compound A is: river silt sand: 75%, and cement: 1%, lime: 14%, terra alba: 2%, aluminium powder: 6%, suds-stabilizing agent 2%.
The weight percent component of compound B is: base-material: 41%, and magnesium chloride solution: 10%, magnesium oxide: 6%, wedding agent: 3%, additive: 4%, cement: 25%, terra alba: 4%, water reducer: 1%, setting accelerator: 1%, Quilonum Retard: 2%, fiber: 1%, firm masterbatch: 2%; The weight percent concentration of magnesium chloride solution is 40%; Water reducer is lignosulfonic acid sodium salt water reducer, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent or high-efficiency water-reducing agent of poly-carboxylic acid; Setting accelerator water glass or Tai-Ace S 150.
The weight percent component of base-material is: flyash: 35%, and blast furnace slag: 12%, phosphogypsum: 15%, carbide slag: 8%, converter slag: 22%, binding agent: 8%.
The weight percent component of wedding agent is: sodium lignosulfonate 65%, phosphoric acid salt: 35%.
The weight percent component of additive is: high-alumina fly: 52%, and Rocky sand crystal: 33%, aqueous sodium hydroxide solution: 15%; The weight percent concentration of aqueous sodium hydroxide solution is 15%.
Firm masterbatch is composed of the following components by weight percentage: lithium carbide 75%, calcium stearate 25%.
The weight percent component of binding agent is: water glass: 68%, and sodium sulfate: 30%, sodium carbonate: 2%.
Contain river silt sand in air-entrained concrete wall material base-material of the present invention; rational proportion by other composition; not only effectively moulding; and ultimate compression strength and the bending strength of air-entrained concrete wall material had to certain promoter action; thereby reach and effectively utilize river silt sand; energy-saving and emission-reduction, the purpose of preserving the ecological environment.In air-entrained concrete wall material component of the present invention, the rational proportion of wedding agent and additive, can strengthen air-entrained concrete wall material fire prevention, waterproof and vermins-proof effect, also, for the steam-cured processing condition that reduced in production technique, improved production efficiency.
The preparation method of the air-entrained concrete wall material that contains river silt sand, carry out according to the following steps:
(i) river silt sand, cement, lime, terra alba, aluminium powder and suds-stabilizing agent are put in stirrer and stirred by proportioning, make its full and uniform mixing, obtain compound A;
(ii) the solid magnesium chloride is poured in pond, added water it is dissolved fully, and be formulated to desired concn, wait the magnesium chloride solution temperature to drop to below 30 ℃;
(iii) the magnesium chloride solution and the MgO that prepare are put in stirrer and stir by proportioning, make its full and uniform mixing, obtain the first compound;
(iv) prepare binding agent, base-material, wedding agent, additive and firm masterbatch by proportioning successively, and by proportioning, the base-material, wedding agent, additive and the firm masterbatch that prepare are put in stirrer, the first compound that adds step (iii) to obtain, stir, add cement, terra alba, water reducer, setting accelerator, Quilonum Retard and fiber by proportioning again, stir, obtain air-entrained concrete wall material brick slurry;
(v) the air-entrained concrete wall material brick slurry (iii) step obtained is poured in brick-making mould, in brick-making mould in reaction generate bubble, natural moulding in 4 hours, obtain air-entrained concrete wall material brick idiosome;
(vi) air-entrained concrete wall material brick idiosome is put in steam-cured chamber steam-curedly, steam-cured chambers temp is 55 ℃, and the steam-cured time is 1 hour, obtains steam-cured good air-entrained concrete wall material brick idiosome and is put on cutting machine and is processed into fragment of brick by desired size;
The fragment of brick that (vii) (v) step must be obtained is put into the high pressure autoclave and is carried out steam-curedly, and steam curing temperature is 165 ℃, 8 hours time, pressure 1 MPa;
(viii) the fragment of brick in the high pressure autoclave is removed to pressure, lowered the temperature and gone out still, obtained product.
Use the steam-cured of comparatively high temps and short period in this technique, add the distribution and the shaping that are beneficial to bubble, make the shape and the similar netted structure of formation that distributes of bubble, thereby increase brick body inner structural strength, reach the ultimate compression strength and the bending strength that increase air-entrained concrete wall material; In addition, step comparatively high temps (vi) and steam-cured another technique effect that also brought of short period, (vii) step without very high-temperature and elevated pressures, has also shortened the steam-cured time, thereby has improved production efficiency, has guaranteed process safety.
Embodiment 3
The present embodiment is a kind of air-entrained concrete wall material that contains river silt sand, and it is comprised of compound A and compound B, and the weight proportion of compound A and compound B is 1:1.
The weight percent component of compound A is: river silt sand: 65%, and cement: 10%, lime: 15%, terra alba: 1%, aluminium powder: 7%, suds-stabilizing agent 2%.
The weight percent component of compound B is: base-material: 40%, and magnesium chloride solution: 10%, magnesium oxide: 5%, wedding agent: 5%, additive: 5%, cement: 25%, terra alba: 5%, water reducer: 1%, setting accelerator: 1%, Quilonum Retard: 1%, fiber: 1%, firm masterbatch: 1%; The weight percent concentration of magnesium chloride solution is 42%; Water reducer is lignosulfonic acid sodium salt water reducer, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent or high-efficiency water-reducing agent of poly-carboxylic acid; Setting accelerator water glass or Tai-Ace S 150.
The weight percent component of base-material is: flyash: 34%, and blast furnace slag: 12～16%, phosphogypsum: 15～18%, carbide slag: 8～13%, converter slag: 14%, binding agent: 8%.
The weight percent component of wedding agent is: sodium lignosulfonate 45%, phosphoric acid salt: 55%.
The weight percent component of additive is: high-alumina fly: 48%, and Rocky sand crystal: 32%, aqueous sodium hydroxide solution: 20%; The weight percent concentration of aqueous sodium hydroxide solution is 17%.
Firm masterbatch is composed of the following components by weight percentage: lithium carbide 45%, calcium stearate 55%.
The weight percent component of binding agent is: water glass: 67%, and sodium sulfate: 29%, sodium carbonate: 4%.
Contain river silt sand in air-entrained concrete wall material base-material of the present invention; rational proportion by other composition; not only effectively moulding; and ultimate compression strength and the bending strength of air-entrained concrete wall material had to certain promoter action; thereby reach and effectively utilize river silt sand; energy-saving and emission-reduction, the purpose of preserving the ecological environment.In air-entrained concrete wall material component of the present invention, the rational proportion of wedding agent and additive, can strengthen air-entrained concrete wall material fire prevention, waterproof and vermins-proof effect, also, for the steam-cured processing condition that reduced in production technique, improved production efficiency.
The preparation method of the air-entrained concrete wall material that contains river silt sand, carry out according to the following steps:
(i) river silt sand, cement, lime, terra alba, aluminium powder and suds-stabilizing agent are put in stirrer and stirred by proportioning, make its full and uniform mixing, obtain compound A;
(ii) the solid magnesium chloride is poured in pond, added water it is dissolved fully, and be formulated to desired concn, wait the magnesium chloride solution temperature to drop to below 30 ℃;
(iii) the magnesium chloride solution and the MgO that prepare are put in stirrer and stir by proportioning, make its full and uniform mixing, obtain the first compound;
(iv) prepare binding agent, base-material, wedding agent, additive and firm masterbatch by proportioning successively, and by proportioning, the base-material, wedding agent, additive and the firm masterbatch that prepare are put in stirrer, the first compound that adds step (iii) to obtain, stir, add cement, terra alba, water reducer, setting accelerator, Quilonum Retard and fiber by proportioning again, stir, obtain air-entrained concrete wall material brick slurry;
(v) the air-entrained concrete wall material brick slurry (iii) step obtained is poured in brick-making mould, in brick-making mould in reaction generate bubble, natural moulding in 6 hours, obtain air-entrained concrete wall material brick idiosome;
(vi) air-entrained concrete wall material brick idiosome is put in steam-cured chamber steam-curedly, steam-cured chambers temp is 50 ℃, and the steam-cured time is 1.5 hours, obtains steam-cured good air-entrained concrete wall material brick idiosome and is put on cutting machine and is processed into fragment of brick by desired size;
The fragment of brick that (vii) (v) step must be obtained is put into the high pressure autoclave and is carried out steam-curedly, and steam curing temperature is 175 ℃, 6 hours time, pressure 1 MPa;
(viii) the fragment of brick in the high pressure autoclave is removed to pressure, lowered the temperature and gone out still, obtained product.
Use the steam-cured of comparatively high temps and short period in this technique, add the distribution and the shaping that are beneficial to bubble, make the shape and the similar netted structure of formation that distributes of bubble, thereby increase brick body inner structural strength, reach the ultimate compression strength and the bending strength that increase air-entrained concrete wall material; In addition, step comparatively high temps (vi) and steam-cured another technique effect that also brought of short period, (vii) step without very high-temperature and elevated pressures, has also shortened the steam-cured time, thereby has improved production efficiency, has guaranteed process safety.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (4)
1. an air-entrained concrete wall material that contains river silt sand, it is characterized in that: it is comprised of compound A and compound B, and the weight proportion of described compound A and compound B is 1:1～5:1;
The weight percent component of described compound A is: river silt sand: 60%～75%, and cement: 1%～10%, lime: 13%～28%, terra alba: 1%～2%, aluminium powder: 6%～10%, suds-stabilizing agent: 2%～11%, above each weight percentages of components sum is 100%;
The weight percent component of described compound B is: base-material: 35%～53%, and magnesium chloride solution: 10%～15%, magnesium oxide: 5%～12%, wedding agent: 2%～5%, additive: 1%～5%, cement: 25%～35%, terra alba: 3%～5%, water reducer: 1%～2%, setting accelerator: 1%～2%, Quilonum Retard: 1%～2%, fiber: 1%～2%, firm masterbatch: 1%～2%, above each weight percentages of components sum is 100%;
The weight percent component of described base-material is: flyash: 25～35%, and blast furnace slag: 12～16%, phosphogypsum: 15～18%, carbide slag: 8～13%, converter slag: 13～23%, binding agent: 5～8%, above each weight percentages of components sum is 100%;
The weight percent component of described wedding agent is: sodium lignosulfonate 25～65%, and phosphoric acid salt: 35～75%, above each weight percentages of components sum is 100%;
The weight percent component of described additive is: high-alumina fly: 45%～52%, and Rocky sand crystal: 30%～33%, aqueous sodium hydroxide solution: 15%～25%, above each weight percentages of components sum is 100%;
Described firm masterbatch is composed of the following components by weight percentage: lithium carbide 25～75%, calcium stearate 25～75%;
The weight percent component of described binding agent is: water glass: 60%～68%, and sodium sulfate: 27%～35%, sodium carbonate: 2%～5%, above each weight percentages of components sum is 100%.
2. the air-entrained concrete wall material that contains river silt sand as claimed in claim 1, it is characterized in that: described water reducer is lignosulfonic acid sodium salt water reducer, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent or high-efficiency water-reducing agent of poly-carboxylic acid; Described setting accelerator water glass or Tai-Ace S 150.
3. the air-entrained concrete wall material that contains river silt sand as claimed in claim 1, it is characterized in that: the weight percent concentration of described magnesium chloride solution is 39～42%; The weight percent concentration of described aqueous sodium hydroxide solution is 12～17%.
4. the preparation method of the described air-entrained concrete wall material that contains river silt sand of claim 1 is characterized in that: carry out according to the following steps:
(i) river silt sand, cement, lime, terra alba, aluminium powder and suds-stabilizing agent are put in stirrer and stirred by proportioning, make its full and uniform mixing, obtain compound A;
(ii) the solid magnesium chloride is poured in pond, added water it is dissolved fully, and be formulated to desired concn, wait the magnesium chloride solution temperature to drop to below 30 ℃;
(iii) the magnesium chloride solution and the MgO that prepare are put in stirrer and stir by proportioning, make its full and uniform mixing, obtain the first compound;
(iv) prepare binding agent, base-material, wedding agent, additive and firm masterbatch by proportioning successively, and by proportioning, the base-material, wedding agent, additive and the firm masterbatch that prepare are put in stirrer, the first compound that adds step (iii) to obtain, stir, add cement, terra alba, water reducer, setting accelerator, Quilonum Retard and fiber by proportioning again, stir, obtain air-entrained concrete wall material brick slurry;
(v) the air-entrained concrete wall material brick slurry (iii) step obtained is poured in brick-making mould, in brick-making mould in reaction generate bubble, natural moulding in 4～8 hours, obtain air-entrained concrete wall material brick idiosome;
(vi) air-entrained concrete wall material brick idiosome is put in steam-cured chamber steam-curedly, steam-cured chambers temp is 45～55 ℃, and the steam-cured time is 1～2 hour, obtains steam-cured good air-entrained concrete wall material brick idiosome and is put on cutting machine and is processed into fragment of brick by desired size;
(vii) the fragment of brick (vi) step obtained is put into the high pressure autoclave and is carried out steam-curedly, and steam curing temperature is 150～175 ℃, 6～10 hours time, pressure 1～2 MPa;
(viii) the fragment of brick in the high pressure autoclave is removed to pressure, lowered the temperature and gone out still, obtained product.
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| CN201210437823.1A CN102910889B (en) | 2012-11-06 | 2012-11-06 | Aerated concrete wall material containing river silt and preparation method thereof |
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| CN103664226A (en) * | 2013-12-12 | 2014-03-26 | 绥中广元新材料有限公司 | Compounding method of foamed silicon-calcium concrete wall building block |
| CN103755267A (en) * | 2014-02-17 | 2014-04-30 | 盐城市国泰混凝土有限公司 | Sludge concrete and preparation method thereof |
| CN104211436A (en) * | 2014-09-16 | 2014-12-17 | 固原开源节能建材有限公司 | Fly ash aerated concrete block added with magnesium oxide and magnesium chloride |
| CN104909803A (en) * | 2015-05-21 | 2015-09-16 | 安徽绿风环保节能材料有限公司 | Autoclaved aerated concrete building block and preparation method thereof |
| CN105110812A (en) * | 2015-09-11 | 2015-12-02 | 湖北大学 | Method for preparing foam light soil through silt and prepared foam light soil |
| CN105175004A (en) * | 2015-09-18 | 2015-12-23 | 河南省基本建设科学实验研究院有限公司 | Aerated concrete block prepared through Yellow-River sediments |
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| CN103664226B (en) * | 2013-12-12 | 2015-05-13 | 绥中广元新材料有限公司 | Compounding method of foamed silicon-calcium concrete wall building block |
| CN103755267A (en) * | 2014-02-17 | 2014-04-30 | 盐城市国泰混凝土有限公司 | Sludge concrete and preparation method thereof |
| CN103755267B (en) * | 2014-02-17 | 2015-08-12 | 盐城市国泰混凝土有限公司 | A kind of Sludge concrete and preparation method thereof |
| CN104211436A (en) * | 2014-09-16 | 2014-12-17 | 固原开源节能建材有限公司 | Fly ash aerated concrete block added with magnesium oxide and magnesium chloride |
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| CN105110812A (en) * | 2015-09-11 | 2015-12-02 | 湖北大学 | Method for preparing foam light soil through silt and prepared foam light soil |
| CN105198331A (en) * | 2015-09-14 | 2015-12-30 | 河南兴安新型建筑材料有限公司 | Lime-free Yellow River sand autoclaved aerated concrete and preparation method thereof |
| CN105175004A (en) * | 2015-09-18 | 2015-12-23 | 河南省基本建设科学实验研究院有限公司 | Aerated concrete block prepared through Yellow-River sediments |
| CN105541386A (en) * | 2016-01-13 | 2016-05-04 | 王湖彬 | Concrete air-added heat preservation brick and preparation method thereof |
| CN105541386B (en) * | 2016-01-13 | 2018-05-08 | 吉安市第四建筑工程有限公司 | A kind of concrete aerated insulating brick and preparation method thereof |
| CN108129161A (en) * | 2018-02-02 | 2018-06-08 | 曲水标威新型建材有限公司 | Composite aerated brick and preparation method |
| CN108383469A (en) * | 2018-02-10 | 2018-08-10 | 雷春生 | A kind of preparation method of Anti-pressure no-baking carbide residue brick |
| CN109796180A (en) * | 2019-01-16 | 2019-05-24 | 湖北大学 | A kind of preparation method improving air entrained concrete endurance quality |
| CN110194648A (en) * | 2019-05-20 | 2019-09-03 | 贵州开磷磷石膏综合利用有限公司 | It is a kind of for producing the new type mortar and preparation method of steam-pressing aero-concrete |
| CN111320448A (en) * | 2020-03-24 | 2020-06-23 | 上海舟润实业有限公司 | Autoclaved aerated concrete slab and preparation method thereof |
| CN111499399A (en) * | 2020-04-26 | 2020-08-07 | 鞍钢重型机械有限责任公司 | Method for manufacturing furnace mouth brick by adopting amorphous refractory material |
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