CN104556950A - Fireproof modifying slurry for polystyrene boards and grouting technique thereof - Google Patents
Fireproof modifying slurry for polystyrene boards and grouting technique thereof Download PDFInfo
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- CN104556950A CN104556950A CN201510029560.4A CN201510029560A CN104556950A CN 104556950 A CN104556950 A CN 104556950A CN 201510029560 A CN201510029560 A CN 201510029560A CN 104556950 A CN104556950 A CN 104556950A
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Abstract
The invention relates to a fireproof modifying slurry for polystyrene boards and a grouting technique thereof, belonging to the technical field of a production technique of modified polystyrene boards. The invention aims to provide a fireproof modifying slurry for grouting Grade-A fireproof modified polystyrene boards. The technical scheme is as follows: the fireproof modifying slurry for polystyrene boards is prepared from the following raw materials in parts by weight: 30-40 parts of water, 80-90 parts of water glass, 1.2-2.4 parts of polypropylene emulsion, 1.2-2.4 parts of aluminum phosphate solution, 10-15 parts of magnesium hydroxide, 10-20 parts of barite powder and 5-15 parts of fly ash. The concentration of the aluminum phosphate solution is lower than or equal to 5%. The grouting technique comprises the following steps: 1. putting the board into a tank; 2. carrying out primary vacuumizing; 3. grouting the slurry; 4. relieving the pressure; 5. discharging the liquid; 6. carrying out secondary vacuumizing; 7. spraying the board; 8. baking; and 9. obtaining the finished product.
Description
Technical field
The fire-protection modifying slurry of a kind of polyphenyl plate of the present invention and instillation process thereof belong to modified polyphenyl board production technology technical field, are specifically related to the fire-protection modifying slurry of a kind of A level fire-protection modifying polyphenyl plate perfusion, and also disclose the instillation process of fire-protection modifying slurry.
Background technology
In the past when processing composite plate, be all adopt the mode of spraying paint substantially, the paint of plate surface is dried fast, and the good evenness of paint, proterties is stablized.But for suction-type building heat preservation sheet material, exactly the mixed liquor that the liquid of various trait and pulverulent material are formed is drawn in stephanoporate framework sheet material by ratio requirement, finished product is formed after drying, especially for the fire-protection modifying polyphenyl plate of A level, there is a large amount of pores in the fire-protection modifying polyphenyl plate of A level, the polyphenyl plate of modification can be obtained by the slurry adding modification in the fire-protection modifying polyphenyl plate of A level.The fire-protection modifying polyphenyl plate of A level of construction wall has good fireproof heat insulating characteristic, sheet material needs adhesive property good and the cementing agent of stable performance in manufacturing process, the main body that cementing agent is general is water glass, water glass is water white thick liquid, the viscosity of water glass is large, belong to conventional binding material, cementing agent comprises plurality of liquid and powder, various hydrophilic in mixture are different, finally can form cotton-shaped mixed liquor, proterties is very unstable, slurry is suck by negative pressure substantially, but the suction of routine, slurry is normal when negative pressure sucks, but enter into after in baking room, due to the rising of temperature, the bubble remained in sheet material can expand and outwards move, modification slurry finally can be caused to exosmose, slurry in sheet material uneven and obtain plate surface very out-of-flatness.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and aims to provide a kind of inhalable strong, the fire-protection modifying slurry of the A level fire-protection modifying polyphenyl plate perfusion that after mixing, proterties is stable, and this kind of fire-protection modifying slurry is filled into the technique of the fire-protection modifying polyphenyl plate of A level.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of fire-protection modifying slurry of polyphenyl plate, the raw material proportioning by weight of modification slurry is: 30 ~ 40 parts, water, water glass 80 ~ 90 parts, poly-acrylic emulsion 1.2 ~ 2.4 parts, aluminum phosphate solution 1.2 ~ 2.4 parts, magnesium hydroxide 10 ~ 15 parts, blanc fixe 10 ~ 20 parts, 5 ~ 15 parts, flyash, the concentration of described aluminum phosphate solution is less than or equal to 5%.
Wherein, as preferably, the raw material proportioning by weight of modification slurry is: 30 parts, water, water glass 80 parts, and poly-acrylic emulsion 1.2 parts, aluminum phosphate solution 1.2 parts, magnesium hydroxide 10 parts, blanc fixe 10 parts, 5 parts, flyash, the concentration of described aluminum phosphate solution is 5%.
Wherein, as preferably, the raw material proportioning by weight of modification slurry is: 40 parts, water, water glass 90 parts, poly-acrylic emulsion 2.4 parts, aluminum phosphate solution 2.4 parts, magnesium hydroxide 15 parts, blanc fixe 20 parts, 15 parts, flyash, the concentration of described aluminum phosphate solution is lower than 4%.
A fire-protection modifying slurry instillation process for polyphenyl plate, concrete operation step is as follows:
A, sheet material enter tank: be encased in cage by needing the polyphenyl plate of impregnating slurry, cage is the device that special polyphenyl plate impregnates liquid, polyphenyl plate stands in cage, the cage that sheet material is housed is delivered in negative-pressure cup, closed negative pressure tank slurry inlet valve, slurry bleeder valve and the relief valve of closing on negative-pressure cup, negative-pressure cup is kept to be closed state, so that take out negative pressure;
B, take out negative pressure first: take out negative pressure with negative pressure pump in the negative-pressure cup after closing, negative pressure value is evacuated to-0.03 ~-0.07MPA, in the scope of this negative pressure value, both the structure of polyphenyl plate can not have been destroyed, good slurry can be had again to suck effect, and the excessive amount of the slurry after suction is few;
C, perfusion slurry: open the slurry inlet valve on negative-pressure cup, under the effect of negative pressure, negative pressure modification slurry enters in negative-pressure cup by slurry inlet valve, until by complete for polyphenyl plate submergence, slurry impregnates in the pore in polyphenyl plate, filled up by pore in polyphenyl plate, close slurry inlet valve, the slurry p-poly-phenyl plate entered in polyphenyl plate carries out modification;
D, pressure release: open relief valve, outside air enters in negative-pressure cup, returns to normal pressure in negative-pressure cup, carries out pressure release to negative-pressure cup, and the surplus liquid sucked in polyphenyl plate is carried out outer row, keeps the stability of impregnating liquid;
E, discharge opeing: open slurry bleeder valve, discharge the fire-protection modifying slurry do not sucked in negative-pressure cup, discharges by fire-protection modifying slurry remaining in negative-pressure cup, until completely drained, and recycles the fire-protection modifying slurry after discharging, avoid waste;
F, secondary take out negative pressure: relief valve and slurry bleeder valve are closed, with negative pressure pump, negative pressure is taken out to negative-pressure cup, until the negative pressure value in negative-pressure cup is evacuated to-0.03 ~-0.07MPA, the liquid of the bubble in polyphenyl plate and top layer shallow-layer is extruded, to avoid in negative-pressure cup the polyphenyl plate liquid spill phenomenon out too serious, the waste of slurry can be avoided, the planarization on polyphenyl plate surface can be kept again;
G, sheet material spray: will soak under the polyphenyl plate after slurry is delivered to sprinkling equipment, the slurry that in sprinkling equipment, ejection is identical with the fire-protection modifying slurry component in negative-pressure cup, sprays and can form even curface after the slurry on polyphenyl plate surface sticks to polyphenyl plate surface;
H, oven dry, the polyphenyl plate after spray is delivered in baking room and dried, carrying out drying to entering into the slurry after polyphenyl plate, accelerating the solidification of slurry, ensureing the combination stability between fire-protection modifying slurry and polyphenyl plate;
I, finished product, the polyphenyl plate in baking room being taken out and to be cooled to room temperature, get product, the end product quality of acquisition is light, and coefficient of thermal conductivity is low, has good fireproof heat insulating performance.
The present invention compared with prior art has following beneficial effect: after fire-protection modifying slurry of the present invention mixes completely, uniform composition, proterties is stablized, after being filled into polyphenyl plate, the fire-protection modifying polyphenyl plate of A level can be obtained, the board quality obtained is light, and coefficient of thermal conductivity is low, has good fireproof heat insulating performance.Adopt slurry instillation process of the present invention, after sheet material enters into negative-pressure cup, take out negative pressure to sheet material first time, the air in sheet material is pumped, and the fire-protection modifying slurry is subsequently filled into after in polyphenyl plate, bubble residual in polyphenyl plate is few, and also to carry out secondary and take out negative pressure after perfusion, the liquid of the bubble in polyphenyl plate and top layer shallow-layer is extruded, alleviate in negative-pressure cup the excessive phenomenon of the polyphenyl plate liquid out, the waste of slurry can be avoided, the planarization on polyphenyl plate surface can be kept again.In stoving process subsequently, when drying, temperature is high, because the bubble in polyphenyl plate is few, so inject into the intravenous extravasation amount in polyphenyl plate few, polyphenyl plate surfacing after oven dry is clean, and the board quality obtained is high, can be widely used in external wall plate technique field.
Detailed description of the invention
Now do elaboration detailed further in conjunction with detailed description of the invention to the present invention, following examples are only representative embodiments more of the present invention, do not form limiting the scope of the invention.
Embodiment one
A kind of fire-protection modifying slurry of polyphenyl plate, the raw material proportioning by weight of modification slurry is: 30 parts, water, water glass 80 parts, poly-acrylic emulsion 1.2 parts, aluminum phosphate solution 1.2 parts, improves the magnesium hydroxide 10 parts of sheet material fireproof performance, improves the blanc fixe 10 parts of sheet material fireproof performance, improve 5 parts, the flyash of timber intensity, the concentration of described aluminum phosphate solution is 5%.Wherein, aluminum phosphate solution meeting and water glass reaction, therefore, here the concentration of aluminum phosphate solution is needed to reduce, to reduce the reaction of aluminum phosphate solution when early stage mixes and between water glass, mixed slurry at normal temperatures proterties is stablized, after this kind of slurry is joined blending tank, 60 ~ 80 degrees Celsius time, chemical reaction is there is between aluminum phosphate solution and water glass, rapid curing, completely after solidification, be filled into fire-protection modifying slurry in polyphenyl plate and polyphenyl plate forms an entirety, coefficient of thermal conductivity is lower than 0.040 watt/ meter Du, belong to the fire-protection modifying plate of A2 level, Stability Analysis of Structures, quality is light, coefficient of thermal conductivity is low, there is good fireproof heat insulating performance.In addition, benzene emulsion can improve toughness and the viscosity of polyphenyl plate, and the sheet material obtained has good toughness, avoids crisp.
A fire-protection modifying slurry instillation process for polyphenyl plate, concrete operation step is as follows:
A, sheet material enter tank: be encased in cage by needing the polyphenyl plate of impregnating slurry, cage is the device that special polyphenyl plate impregnates liquid, polyphenyl plate stands in cage, the cage that sheet material is housed is delivered in negative-pressure cup, closed negative pressure tank slurry inlet valve, slurry bleeder valve and the relief valve of closing on negative-pressure cup, negative-pressure cup is kept to be closed state, so that take out negative pressure;
B, take out negative pressure first: take out negative pressure with negative pressure pump in the negative-pressure cup after closing, negative pressure value is evacuated to-0.03MPA, in the scope of this negative pressure value, both the structure of polyphenyl plate can not have been destroyed, good slurry can be had again to suck effect, and the excessive amount of the slurry after suction is few;
C, perfusion slurry: open the slurry inlet valve on negative-pressure cup, under the effect of negative pressure, negative pressure modification slurry enters in negative-pressure cup by slurry inlet valve, until by complete for polyphenyl plate submergence, slurry impregnates in the pore in polyphenyl plate, filled up by pore in polyphenyl plate, close slurry inlet valve, the slurry p-poly-phenyl plate entered in polyphenyl plate carries out modification;
D, pressure release: open relief valve, outside air enters in negative-pressure cup, returns to normal pressure in negative-pressure cup, carries out pressure release to negative-pressure cup, and the surplus liquid sucked in polyphenyl plate is carried out outer row, keeps the stability of impregnating liquid;
E, discharge opeing: open slurry bleeder valve, discharge the fire-protection modifying slurry do not sucked in negative-pressure cup, discharges by fire-protection modifying slurry remaining in negative-pressure cup, until completely drained, the fire-protection modifying slurry after discharge is recycled, and avoids waste;
F, secondary take out negative pressure: relief valve and slurry bleeder valve are closed, with negative pressure pump, negative pressure is taken out to negative-pressure cup, until the negative pressure value in negative-pressure cup is evacuated to-0.03MPA, the liquid of the bubble in polyphenyl plate and top layer shallow-layer is extruded, to avoid in negative-pressure cup the polyphenyl plate liquid spill phenomenon out too serious, the waste of slurry can be avoided, the planarization on polyphenyl plate surface can be kept again;
G, sheet material spray: will soak under the polyphenyl plate after slurry is delivered to sprinkling equipment, the slurry that in sprinkling equipment, ejection is identical with the fire-protection modifying slurry component in negative-pressure cup, the slurry of spray on polyphenyl plate surface, to more smooth, ensures that the slurry on polyphenyl plate surface is even;
H, oven dry, the polyphenyl plate after spray is delivered in baking room and dried, carrying out drying to entering into the slurry after polyphenyl plate, ensureing fire-protection modifying slurry and the stability combined between polyphenyl plate;
I, finished product, the polyphenyl plate in baking room being taken out and to be cooled to room temperature, get product, the end product quality of acquisition is light, and coefficient of thermal conductivity is low, has good fireproof heat insulating performance.
Embodiment two
The present embodiment and embodiment one are about the difference of fire-protection modifying slurry proportioning: a kind of fire-protection modifying slurry of polyphenyl plate, the raw material proportioning by weight of modification slurry is: 40 parts, water, water glass 90 parts, poly-acrylic emulsion 2.4 parts, aluminum phosphate solution 2.4 parts, magnesium hydroxide 15 parts, blanc fixe 20 parts, 15 parts, flyash, the concentration of described aluminum phosphate solution is lower than 4%.
The present embodiment and embodiment one are about the difference of the instillation process of fire-protection modifying slurry: in " taking out negative pressure first " operation, the negative pressure value in negative-pressure cup is evacuated to-0.07MPA, and in " secondary takes out negative pressure " operation, the negative pressure value in negative-pressure cup is evacuated to-0.07MPA.
Embodiment three
The difference of the present embodiment and embodiment one is the proportioning of fire-protection modifying slurry: a kind of fire-protection modifying slurry of polyphenyl plate, the raw material proportioning by weight of modification slurry is: 38 parts, water, water glass 88 parts, poly-acrylic emulsion 1.5 parts, aluminum phosphate solution 1.8 parts, magnesium hydroxide 13 parts, blanc fixe 16 parts, 12 parts, flyash, the concentration of described aluminum phosphate solution is less than or equal to 4%.
Embodiment four
The difference of the present embodiment and embodiment one is the proportioning of fire-protection modifying slurry: a kind of fire-protection modifying slurry of polyphenyl plate, the raw material proportioning by weight of modification slurry is: 35 parts, water, water glass 85 parts, poly-acrylic emulsion 2 parts, aluminum phosphate solution 2 parts, magnesium hydroxide 12 parts, blanc fixe 15 parts, 10 parts, flyash, the concentration of described aluminum phosphate solution is less than or equal to 5%.
The present invention can summarize with other the concrete form without prejudice to spirit of the present invention or principal character.Therefore, no matter from that, above-mentioned embodiment of the present invention all can only be thought explanation of the present invention and can not limit invention, claims indicate scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (4)
1. the fire-protection modifying slurry of a polyphenyl plate, it is characterized in that, the raw material proportioning by weight of modification slurry is: 30 ~ 40 parts, water, water glass 80 ~ 90 parts, poly-acrylic emulsion 1.2 ~ 2.4 parts, aluminum phosphate solution 1.2 ~ 2.4 parts, magnesium hydroxide 10 ~ 15 parts, blanc fixe 10 ~ 20 parts, 5 ~ 15 parts, flyash, the concentration of described aluminum phosphate solution is less than or equal to 5%.
2. the fire-protection modifying slurry of a kind of polyphenyl plate according to claim 1, it is characterized in that, the raw material proportioning by weight of modification slurry is: 30 parts, water, water glass 80 parts, poly-acrylic emulsion 1.2 parts, aluminum phosphate solution 1.2 parts, magnesium hydroxide 10 parts, blanc fixe 10 parts, 5 parts, flyash, the concentration of described aluminum phosphate solution is 5%.
3. the fire-protection modifying slurry of a kind of polyphenyl plate according to claim 1, it is characterized in that, the raw material proportioning by weight of modification slurry is: 40 parts, water, water glass 90 parts, poly-acrylic emulsion 2.4 parts, aluminum phosphate solution 2.4 parts, magnesium hydroxide 15 parts, blanc fixe 20 parts, 15 parts, flyash, the concentration of described aluminum phosphate solution is lower than 4%.
4. the fire-protection modifying slurry instillation process of a kind of polyphenyl plate according to claim 1, it is characterized in that, concrete operation step is as follows:
A, sheet material enter tank: by needing the polyphenyl plate of impregnating slurry to be encased in cage, be delivered in negative-pressure cup by the cage that sheet material is housed, closed negative pressure tank slurry inlet valve, slurry bleeder valve and the relief valve of closing on negative-pressure cup;
B, take out negative pressure first: take out negative pressure with negative pressure pump in negative-pressure cup, negative pressure value is evacuated to-0.03 ~-0.07MPA;
C, perfusion slurry: open the slurry inlet valve on negative-pressure cup, under the effect of negative pressure, negative pressure modification slurry is entered in negative-pressure cup by slurry inlet valve, until by complete for polyphenyl plate submergence, close slurry inlet valve;
D, pressure release: open relief valve, outside air enters in negative-pressure cup, returns to normal pressure in negative-pressure cup;
E, discharge opeing: open slurry bleeder valve, discharge the fire-protection modifying slurry do not sucked in negative-pressure cup, discharges, until completely drained by fire-protection modifying slurry remaining in negative-pressure cup;
F, secondary take out negative pressure: relief valve and slurry bleeder valve are closed, take out negative pressure, until the negative pressure value in negative-pressure cup is evacuated to-0.03 ~-0.07MPA, extruded by the liquid of the bubble in polyphenyl plate and top layer shallow-layer with negative pressure pump to negative-pressure cup;
G, sheet material spray: will soak under the polyphenyl plate after slurry is delivered to sprinkling equipment, the slurry that in sprinkling equipment, ejection is identical with the fire-protection modifying slurry component in negative-pressure cup, the slurry on guarantee polyphenyl plate surface be even;
H, oven dry, the polyphenyl plate after spray is delivered in baking room and dried;
I, finished product, the polyphenyl plate in baking room taken out and is cooled to room temperature, getting product.
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Cited By (1)
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| CN110305489A (en) * | 2019-06-26 | 2019-10-08 | 保定威尔达节能科技有限公司 | A kind of fire prevention styrofoam fire prevention material and its preparation and application |
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