CN103214225B - A kind of environmental protection walling system - Google Patents

A kind of environmental protection walling system Download PDF

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Publication number
CN103214225B
CN103214225B CN201310064471.4A CN201310064471A CN103214225B CN 103214225 B CN103214225 B CN 103214225B CN 201310064471 A CN201310064471 A CN 201310064471A CN 103214225 B CN103214225 B CN 103214225B
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gypsum
gypsum block
binding agent
block
water
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CN103214225A (en
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曾志丰
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Charles (Hongkong) Development Co. Ltd.
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CASO (HK) ENGINEERING Co Ltd
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Abstract

The invention provides a kind of environmental protection walling system, be spliced to form by multiple rectangle gypsum block, stitching portion is connected by gypsum block adhesive cures; Described gypsum block is added water after stirring by gypsum raw material, casting, and gypsum block rectangular edges has concave groove and male key; Described gypsum block binding agent is Powdered, is made up of gypsum raw material, and adding water before using stirs.This walling system, from raw material selection, production process, site construction and to waste recovery Recycling, meets target of sustainable development, very environment-friendly novel building materials all completely; Have sound insulation, fire prevention, light weight, intensity high, construct convenient, save the multiple advantages such as usage space, be a kind of low-carbon environment-friendly, health, meet the novel wall material of research.

Description

A kind of environmental protection walling system
Technical field
The invention discloses a kind of environmental protection walling system, be spliced to form by multiple rectangle gypsum block, belong to building material field.
Background technology
Gypsum block was just developed in Europe in nineteen fifties, development the most rapidly area is West Europe, almost most countries is all in production and use gypsum block, wherein France is the country of maximum manufacture and usage gypsum block, produce gypsum block about 1,800 ten thousand square metres per year, occupy the first place in the world.
In China, recent two decades comes, and gypsum block has developed into a kind of New Type Light-weight Wall Material.
Gypsum block take plaster of Paris as main raw material(s), through the building gypsum products that add water stirring, casting and drying are made.Gypsum block has numerous excellent Architecural Physics performances as light weight, waterproof, antidetonation, heat insulating, sound insulation etc., is extremely suitable for building by laying bricks or stones all types of industries and civilian frame building internal partition wall, the internal partition wall of high-rise and high-rise frame structure building.
In recent years gypsum as material of construction day by day accept by people, its goods have building block, sheet material, finishing material etc., are mainly used in the non-load bearing wall in house and decorations.Gypsum hollow block has the performances such as lightweight, high-strength, fire prevention, fire-retardant, sound insulation, employing dry construction is convenient and swift, without building waste, can follow closely, can saw, can dig, can cohere, can repair and do not need keel to reinforce, finishing need not be wiped one's face, operating efficiency is high, can increase usable floor area 10% than common brick wall.Gypsum block nontoxic, tasteless, harmless genus environment-friendly novel material of construction.Gypsum block regulation enforcement JC/T698-1998 industry standard, possesses corresponding scientific formula, and good product quality, the intensity of mechanization production are high, and supplementary material is scientific and reasonable.Gypsum block is mainly used in the non-bearing wall body of skeleton construction and other structural constructions, generally uses as internal partition wall.According to suitable fixing and supporting structure, body of wall can also bear heavier load (as hung hanging cupboard, water-heater, lavatory apparatus etc.).Mix the moistureproof building block of special additive, can be used for the occasion that the atmospheric moisture such as bathroom, lavatory is larger.
Gypsum block, compared with other materials for walls, particularly traditional solid clay brick, has following advantage:
1. bad temper gypsum is compared with concrete, and its fire performance wants high 5 times.Gypsum block is compared with general Thistle board, and its fire performance will exceed a grade.
2. good heat insulating.The mortar of brick and tile layer or 4cm that the heat-insulating property of the gypsic horizon that 1cm is thick is equivalent to 3cm is wiped one's face or the thermal and insulating performance of coagulation abode house of 5cm.
3. sound-proofing properties is good; For the large body of wall of the gypsum block that 100mm is thick, its Sound insulation for building value reaches 37-48dB, and other stack pile material of construction of the same type are difficult to reach this value.
4. have lighter wall quality, anti-seismic performance is good.For the real brick wall of two-sided clay of plastering, half-brick wall is heavily 296kg/m 2, whole brick wall weight is 524kg/m 2, and the solid gypsum block wall that difference is plastered, the thick about 72kg/m of 80mm 2, the thick about 90kg/m of 100mm 2, be equivalent to the 1/3-1/4 of the solid brick wall weight of clay.
5. gypsum block coordinates accurate, and body of wall is bright and clean smooth.
6. dry construction, speed of application is fast.Gypsum block can be followed closely, can saw, can dig, can repair, and processing treatment is very convenient.
7. improve residence comfort.Gypsum block has respiratory function, and in room, excess humidity can absorb very soon: when climate change humidity reduces again to release moisture, and do not affect body of wall firmness: also namely have atmospheric moisture function in surge chamber, adjustable kryptoclimate.Metope also evaporated condensation water when atmospheric moisture is higher, lives very comfortable.
8. gypsum block partition wall a series of build by laying bricks or stones, install and the problem such as application, abroad there to be ripe treating method.Abroad just start to produce and application gypsum block in nineteen fifty, through improving and test of whole century, form the product specification system of complete set, build the data and atlas of consolidating and apply, can in conjunction with the practical situation of China in addition with reference to, utilize and use for reference, China has put into effect the related datas such as the standard of gypsum block in recent years.
9. gypsum block is a kind of green building material.Gypsum block adopts the plaster of paris to process, radiationless.In the process of production gypsum block, basic three-waste free discharge.In use, harmful material can not be produced.Therefore gypsum block is kind of the green building material well protected and improve the ecological environment.
10. increase usable floor area.When floor area of building is certain, can effectively improve actual usable floor area.Compare with solid brick wall, thickness of wall body can be reduced to 1/2, and effective usable floor area about increases by 10%.
11. replace clay brick, protect farmland.Traditional materials for wall consumes mass energy and soil, and traditional materials for wall clay brick is ruined field every year and reached hundreds of thousands of mu, and power consumption of baking bricks is then annual consumes a large amount of standard coal, and traditional walling causes Heavy environmental pollution.
Gypsum block wall thickness is little, belongs to thin-wall, and its greatest limit height of independently building by laying bricks or stones relates to body of wall in the stable of construction stage and operational phase and safety.Therefore, the maximum limit of size of gypsum block wall, different from cement block, traditional checking computations can not be adopted to allow the method for ratio of height to thickness to determine, can only based on the application performance of gypsum block, by calculate and experiment is determined.
France is defined as the maximum limit of size of gypsum block wall:
Thickness of wall body/cm Maximum height/m
6.0 2.6
7.0 3.0
≥10.0 4.0
Existing gypsum block wall system, binding agent operability is undesirable, and solidification intensity is low, and cohesive force is not enough, in use, there is the situation of wall crazing; Meanwhile, in construction process, the processing property of binding agent is not good, have impact on construction quality yet, causes waste of material.
Therefore, in practical application, still need a kind of gypsum block wall system of good performance by adhesive cures.
Summary of the invention
The object of the present invention is to provide a kind of environmental protection walling system.
Walling system of the present invention is built by laying bricks or stones by multiple rectangle gypsum block splicing and is formed, and stitching portion is connected by gypsum block adhesive cures; Described gypsum block is added water after stirring by gypsum raw material, casting, and gypsum block rectangular edges has matrix and convex mounting groove; Described gypsum block binding agent is Powdered, is made up of gypsum raw material, and adding water before using stirs.
Described gypsum raw material can be natural gesso, also can be desulfurization gypsum powder.
Desulfurated plaster, is mainly derived from the flue gas desulfurization technique of coal-burning power plant, is the industry by-product gypsum carrying out desulfurizing and purifying process to the flue gas produced after sulfurous fuels (as coal) burning and obtain.The main component of desulfurated plaster is crystalline sulfuric acid calcium (CaSO 42H 2o), face light yellow complexion, its potential of hydrogen is suitable with the plaster of paris, in neutral or slightly biased alkalescence.Chemical composition is close with the plaster of paris, its CaSO 4+ CaSO 42H 2o content generally more than 90%, the CaSO of the plaster of paris 4+ CaSO 42H 2o content is generally in 70% ~ 80% scope.
The desulfurated plaster that quality is higher replaces the plaster of paris both can economize on resources, and can utilize industry byproduct again, reduces solid pollution, preserves the ecological environment; Meanwhile, the desulfurated plaster price from thermal power plant is lower, makes its use cost lower than the plaster of paris.The most key, desulfurization gypsum powder stable performance, is beneficial to production quality control.Therefore, gypsum raw material used in the present invention is preferably desulfurization gypsum powder, as β type terra alba [beta-type semi-hydrated gypsum (CaSO 4) 2h 2o], fineness controls, at 0.08mm, to tail over and be less than 2%.
Gypsum block has network crystalline structure, after its water suction, easily produces hydrolysis and corrosion, thus the intensity of building block is significantly declined.Therefore, in order to ensure the stability of gypsum block wall, controlling the water content in gypsum block, in gypsum raw material of the present invention, also adding water-resisting agent.
The waterproof of gypsum, normally add water-proof material realize, as added metallic soap, pitch, paraffin wax, resin in gypsum, or being coated with water resistant coating on product, making it form waterproof membrane on the surface.US Patent No. PatNo.2,198,776 employings are ejected into paraffin wax, pitch in calcium plaster and form very thin paraffin wax or pitch particle, to improve the water tolerance of plastering, effect is better, but needs to be equipped with a set of cured material melting jet atomization equipment, cost is high, complicated operation.Waterproofing gypsum agent is silicone resin and paraffinic base water-resisting agent preferably at present.
Water-resisting agent used in the present invention is Organosilicon Alcohol in Organic water-resisting agent.
The major ingredient of Organosilicon Alcohol in Organic water-resisting agent is methyl silicon sodium alcoholate, and Organosilicon Alcohol in Organic water-resisting agent used in the present invention is methyl silicon sodium alcoholate.
Methyl silicon sodium alcoholate is a kind of water white transparency aqueous solution, because of containing a small amount of impurity in Industrial products, in light yellow.Nontoxic, do not fire, not quick-fried, non-volatile, have no irritating odor, solids content is generally 32%, and proportion is 1.23, pH value be alkalescence, can be miscible with water.Environmentally safe, spary, on the exterior wall finish such as spraying, roller coating, brushing, has hydrophobic, delays the effects such as pollution, efflorescence prevention.Water-soluble methyl sodium silanolate has the feature of alkalescence and ion, and it can from gypsum (CaCO 3) a small amount of carbonate ion of middle leaching, and then there is substitution reaction generation chemical bond, methyl (CH in methyl silicon sodium alcoholate 3) be bonded in gypsum, make it have hydrophobic nature, produce waterproof effect.
Simultaneously, methyl silicon sodium alcoholate, under water and carbonic acid gas effect, generates methyl silanol, the further condensation of methyl silanol self, and with structured material generation chemical reaction, generate one deck insoluble waterproof macromolecular compound at substrate surface---netted silicone resin.This resin molding has the effect of waterproof, protection against the tide, antiseepage, does not affect the ventilation property of gypsum material body simultaneously, and energy resistance to deterioration, avoid the performance polluted.
In gypsum block of the present invention, the addition of methyl silicon sodium alcoholate is 0.8-2.0% (relative to gypsum part mass), is preferably 0.8-1.0%.
The diatomite of 1-5% weight ratio can also be added in gypsum block of the present invention, improve the water resistance of gypsum further.
Gypsum block is after which are added the chemical compositions such as water-resisting agent, and waterproof rate can reach 3%, and coefficient of softening is higher than 0.6.
According to actual needs, gypsum block raw material of the present invention can also add filamentary material, light-weight aggregate and/or whipping agent.
The use of filamentary material, makes the intensity of gypsum block be improved, and can meet higher strength of materials requirement.Filamentary material is glass fibre, polypropylene fibre, polyvinyl alcohol fiber; Polypropylene fibre preferably uses polypropene staple (PP fiber).
The addition of filamentary material is relative to gypsum raw material, and addition is 0.01-0.1% weight ratio.
Polypropene staple (PP fiber) take polypropylene as raw material, its production technique and process for treating surface, guarantee that it has splendid dispersiveness and the bonding force with gypsum block in gypsum, and resistance to deterioration is good, can ensures to play effect for a long time in gypsum.
Polypropene staple stable chemical nature, only relying on the physical structure changing gypsum and improve concrete performance, there is not any chemical reaction in itself.With its chemistry, stable physical property after gypsum mixing, therefore there is good affinity with gypsum block.The fine fisssure that polypropene staple effectively can strengthen the toughness of gypsum, the effective factor such as expansion, temperature variation controlling gypsum causes, prevent and suppress the formation and development in crack, effectively improve the cracking resistance anti-permeability performance of gypsum block and shock resistance, anti-seismic performance.
The use of light-weight aggregate, can reduce the quality of product, and provides better fire resistance.The consumption of light-weight aggregate should be no more than 10% mass ratio of gypsum powder, and preferable amount is than being 1.5-2.0%.
Light-weight aggregate adds mainly for reducing building block unit weight, and conventional light-weight aggregate is pearlstone and thin haydite.
Perlite is a kind of acidic lava of volcanic eruption, through the glassy rock of quick refrigeration, gains the name because it has pearl fissured structure.Perlite ore deposit comprises perlite, obsidian and pitchstone.The difference of three is that perlite has the arc-shaped crack because condensation is formed, and claims perlitic structure, water content 2 ~ 6%; Pitchstone has unique resinous luster, water content 6 ~ 10%; Obsidian has vitreous luster and conchoidal fracture, and water content is generally less than 2%.
Light-weight aggregate of the present invention uses perlite.Perlite unit weight is less than 120Kg/m 3, be that the good light-weight aggregate of performance is selected.
Adding of whipping agent, be conducive to the sound insulation property of material.
Whipping agent plays an important role to gypsum block of the present invention, is the essential condition improving sound insulating seal effect.
Intermolecular Forces is generated when whipping agent and gypsum aquation--hydrogen chain, produce sterically hindered, crystal lattice of gypsum structure is caused to lack limit, excite gypsum active, the formation of accelerating network shape gypsum skeleton, thus reach reinforced plasterboard intensity, reduce plasterboard capacity, greatly save material, substantially improve the object of plasterboard physicals.
Whipping agent can use any one in anion surfactant, the sodium bicarbonates such as sodium lauryl sulphate (K12), polyoxyethylenated alcohol sodium sulfate (AES), α-sodium olefin sulfonate.
Whipping agent preferably sodium dodecyl sulfate.
In every 100 weight part gypsum raw materials, whipping agent is preferably 1.9-2.7 weight part.
During preparation gypsum block, by the various compositions of gypsum raw material and interpolation, mixing, adds the water mixing of solid weight 70-95%, stir, casting, the demoulding, dries (arid season natural air drying, or artificial seasoning) after, after inspection, packaging, warehouse-in.
When using natural gesso, amount of water is preferably the 70-80% of terra alba weight; When using desulfurization gypsum powder, amount of water is preferably the 80-95% of terra alba weight.
Walling system of the present invention, when building by laying bricks or stones shaping, gypsum block is connected by gypsum block adhesive cures, forms body of wall.
Binding agent is a kind of powder, when main application is for installing walling system, as seam binding material and seam sealer, also may be used for body of wall wall skin bonding timber or plastics lines, also can be used as slotting on body of wall, pipe laying after perforate, sunken cord and bury binding agent and the spackling of box.
In gypsum block binding agent of the present invention, except gypsum raw material, also containing rubber powder and calcium sulphate retarder.In gypsum block binding agent, each component is configured to:
Gypsum raw material powder 100 weight part;
Rubber powder 1-2 weight part;
Calcium sulphate retarder 0.01-0.03 weight part.
During use, above-mentioned binding agent powder is placed in container, then adds water, the part by weight of binding agent powder and water is 1: (0.6-0.7), and standing 1-2 minute stirs evenly into putty and namely can use.
In gypsum block binding agent of the present invention, filamentary material can also be added; Relative to binding agent, addition is 0.5-0.9Kg/m 3.
Described rubber powder by acrylate and aliphatic silanes according to 5: 1 weight ratio mix and form.
Acrylate can be one or more in methyl acrylate, ethyl propenoate, 2-methyl methacrylate, ethyl 2-methacrylate and butyl acrylate.
Aliphatic silanes is mainly polyester silicone resin, and silicone resin is the thennoset polysiloxane polymkeric substance with highly cross-linked structure.
Silicone resin has good electrical insulation property, the effect of heatproof and waterproof, and weathering resistance is better than general organic resin.Therefore, in the coating on heatproof, heat-resisting and anti-wet treatment protection top layer, be all desirable material.Silicone resin also has excellent electrical insulating property, resistance, hydrophobic nature and flame retardant resistance, also obtains other performances by upgrading.
Silicone resin of a great variety, divide by backbone structure, can be divided into neat silicone and modified silicone resin two kinds, the former is typical polysiloxane structure.The organic group kind that modified silicone resin links according to Siliciumatom, can be subdivided into methyl silicon resin, phenyl polysiloxane and methyl phenyl silicone resin etc. again.
Silicone resin of the present invention preferably uses acryl-modified silicone resin resin, is prepared from by silanol and Acrylic Acid Monomer, has the advantage of acrylic resin and silicone resin concurrently, has excellent thermotolerance and weather resistance.
The fiber used in gypsum block binding agent of the present invention is identical with the fiber used in gypsum block, is preferably PP staple fibre, and staple length is best at 30-100mm.Adding of staple fibre, binding agent intensity is after hardening significantly improved.It should be noted that the Strong degree of gypsum block binding agent of the present invention after doing exceedes gypsum block Strong degree 20%, result of use is excellent.
Calcium sulphate retarder is used for reducing gypsum rate of set, and retardant conventional at present mainly contains three classes: organic acid and soluble salt thereof, alkaline phosphate and the retardant such as protein-based.Organic acid and soluble salts retardant thereof mainly contain citric acid, Trisodium Citrate, tartrate, soluble tartrate, vinylformic acid and sodium acrylate etc.Phosphoric acid salt retardant mainly contains Sodium hexametaphosphate 99, sodium polyphosphate etc.
Retardant of the present invention preferably uses citric acid and salt thereof.
Citric acid and salt thereof mix weight, relative to gypsum, control be less than 0.03% as well, preferably 0.01% mix weight.
Walling system of the present invention is built by laying bricks or stones by multiple rectangle gypsum block splicing and is formed, and stitching portion is connected by gypsum block adhesive cures; Described gypsum block is added water after stirring by gypsum raw material, casting, and gypsum block rectangular edges has matrix and convex mounting groove; Described gypsum block binding agent is Powdered, is made up of gypsum raw material, and adding water before using stirs.Preferred thickness is the walling system of 80 millimeters and 100 millimeters.
Build shaping body of wall by laying bricks or stones, can automatically regulate relative humidity in air, release aqueous vapor in wet season moisture absorption in dry season, make living environment more comfortable.Non-volatility organic compound, radon gas and other objectionable impuritiess, on HUMAN HEALTH without impact.Heavy metal free material.Acidity-basicity ph 6-8, close to human body skin, sound insulation function is good, can reach 46 decibels of STC.Heat insulating function is good, higher than husky brick 5 times, saves mass energy loss.Lightweight, than light 6 one-tenth of husky brick, directly alleviates the weight of building structure institute load, makes it that building materials must be used to reduce.
Building site Land leveling to be guaranteed ensure that the body of wall installed reaches perpendicular to smooth before walling system construction of the present invention; Gypsum block binding agent prepares stand-by in advance; First in the bottom of fragment of brick and vertically while the binding agent mixed before spreading; Falcon groove between brick with brick should be concavo-convex relative, should fill up binding agent between gap; The installation of upper strata brick will overlap with lower floor's fissure of displacement; Successively install in this approach, corner is engaged; When being mounted to body of wall top, only need saw out inclined-plane on fragment of brick cleans out the powder sawed out; Rear binding agent is installed gap is filled up; Fritter can be sawed out to fill up in the space of fragment of brick and fragment of brick; The gap in last brick face can be repaired with binding agent and be struck off.
Gypsum block surrounding of the present invention has groove, key, simple installation, and smooth surface, without the need to process of plastering again, saves plaster operation, the reduction of erection time.Be applicable to construction time short or fitting-out work to use.80 millimeters and 100 millimeters of walling systems, without plaster, compare 75 millimeters and 100 millimeters of husky bricks of tradition add both sides plaster 15 millimeters of province position 1-2 cun.Be applicable to house and market use.Intensity is high, ultimate compression strength 5-7 MPa, and the hanging of single nail can reach 45 kilograms.Be applicable to hotel, hotel, school, house, market use.
Formation gypsum fragment of brick integration after wall brick interface is solid, therefore lintel all need not be installed in general doorway and wind larynx position, and wall need not be installed brandreth in less than 7 meters and reinforce.Be applicable to market, commercial mansion and industrial development to use.Be 2-4 hour with the packaged body of wall fire endurance of joining of gypsum brick, do not burn.Obtained the accreditation of edifice place of the Hongkong government, and closed symbol GB/T9978-1999, the fire-resistant most limit is greater than 2 hours standards.Product key index:
Walling system of the present invention has good convenience for construction, and installation need not iron net, door beam and support steel, decreases and uses additional materials to install, reduce energy consumption; Need not at body of wall both sides cement mortar plaster; Need not be wet Hydraulic Projects project in building site, ensure that good site condition; Promote site safety with healthy, avoid mosquito, slip the potential risk such as risk and electric leakage, reduce and cause injures and deaths or loss.Body of wall easily cuts or opens hole and hides larynx, no waste mine, fragment material can be utilized to clog wind and shout and lamp larynx hole; Be easy to interval change, after body of wall is moulding integrated, the doorway being less than 2 meters wide can be cut out, and using the wall part that cuts out as building block (about 500 × 500 millimeters), can recycle, pave new body of wall.
Become wall for a width, can cut into the walling unit of one piece of block about 500 × 500 millimeters from top to bottom when dismantling, these building blocks can build up the new body of wall of a width with binding agent of the present invention, Recycling again.As being damaged when dismantling, also can deliver to factory in small, broken bits and reclaim, mixed raw material causes new gypsum block again.
Wall skeletal lines and door-window opening line conscientiously should be checked before walling system installation of the present invention.Use binding agent, mixing amount is advisable to be once no more than 20 minute duration of service.Start cakey binding agent glue of being forbidden to add water after more than 30 minutes again modulate and use.Again next batch binding agent is modulated again after cleaning out hopper.When body of wall is without particular requirement, can concrete building directly after levelling () binding agent spread by plate, install gypsum block, first row building block groove should should be crowded with binding agents with metope joining part down, and remaining slurry plug sternly strikes off.
The first layer building block application timber wedge carries out levelling, does not allow the fragment of brick repeatedly moving auxiliary upper binding agent levelling, timber wedge can be exposed the partial cut of body of wall after building 40 minutes by laying bricks or stones, and without the need to extracting.Building by laying bricks or stones of rotation angle position, for ensureing that upper and lower perps cross staggers, first piece, nook fragment of brick should cut corresponding section, and connecting part should be crowded with binding agents.
In whole installation process, the flange of fragment of brick and groove all should smear full binding agent (comprising fragment of brick top and bottom and side).First want budget block number before installation, sawing is caught up with in door-window opening position as far as possible.Between bathroom, equipment is installed, and should adopt expansion bolt and crab-bolt.Punching is bored in application, must not pick cutter and directly hammer into.
After partition wall installation, the tiny scarce stupefied arrisdefect available dedicated spackling of fragment of brick is repaired and is struck off.Internal partition wall construction should adopt scaffolding, and partition wall must not prop up built pipe etc.Vertically should adopt galvanized steel pipe or pvc pipe, vertical reserved pipeline should be imbedded by slotting machine fluting, to be filled up in gap strike off with binding agent.And glue fiberglass gridding cloth.After the small-sized holes such as line box should adopt hole making drill perforate, the method through manual amendment is constructed.Water power specialty must to be constructed close fit with partition wall, pipeline installation should with partition wall synchronous construction.Forbid to lay the line and erecting equipment by picking cutter mode.
Walling system of the present invention, from raw material selection, production process, site construction and to waste recovery Recycling, meets target of sustainable development, very environment-friendly novel building materials all completely; Have sound insulation, fire prevention, light weight, intensity high, construct convenient, save the multiple advantages such as usage space, be a kind of low-carbon environment-friendly, health, meet the novel wall material of research.
Accompanying drawing explanation
Fig. 1 is that body of wall schematic diagram at a right angle is built in gypsum block of the present invention by laying bricks or stones;
Fig. 1-1 is the first layer of body of wall shown in Fig. 1 schematic diagram;
Fig. 1-2 is the second layer of body of wall shown in Fig. 1 schematic diagram;
Fig. 2 is that T-shaped body of wall schematic diagram is built in gypsum block of the present invention by laying bricks or stones;
Fig. 2-1 is the first layer of body of wall shown in Fig. 2 schematic diagram;
Fig. 2-2 is the second layer of body of wall shown in Fig. 2 schematic diagram;
1---gypsum block; Gypsum block after 2---cutting; 3---scribbles the seam of gypsum block binding agent.
Embodiment
Embodiment 1
The preparation of gypsum block:
Weigh and get the raw materials ready:
● natural gesso 100Kg
● methyl silicon sodium alcoholate 0.8Kg
● diatomite 1.8Kg
● PP fiber 0.1Kg
● perlite 1.5Kg
● sodium lauryl sulphate 1.9Kg
Natural gesso and 77Kg water are entered stirrer through automatic metering system, start stirrer, stir 1 ~ 2min, make fully to stir pulping, the Gypsum slurry mixed is poured in forming machine formwork erection chamber, by solutioning machine automatic scraping mouth after initial set, then eject die cavity by hydraulic lifting machine, then start gypsum block space clamp, clamp gypsum block group, along vertical clamp track travel, by automatic fixture, gypsum block is caught away, make gypsum block depanning.Gained gypsum block is square materials for wall, and surrounding is with groove and key.
Mode during employing seasoning, space clamp has clamped gypsum block group, is placed on dry shelf, and the mode of transport waggon towards dry place has come, seasoning place should be very smooth, and dry shelf should be aligned to and make gypsum block always be in the position parallel with direction of ventilation.
Dried gypsum block, specification is 666mm × 500mm, and 3 pieces of area sums are 1m 2, thickness 80mm.
Fire resistance (performing GB/T9978-1999) is 80mm:120minsFRP; Sound-proofing properties (BSENISO140-3:1995) is 80mm:37dBSTC.
Water repelling property (perform BSEN12589:2001Part5.8) meets to be put 2 hours water-intake rates in water into and not to exceed weight 5% own.
Through product after the assay was approved, unload block building machine freight through packing plant by machinery, building block is tied bundled usually transport by cargo transport forklift and puts in storage.
Gained the finished product gypsum block unit weight 900 kilograms/square metre, becomes only 85 kilograms, every square metre, wall, is starkly lower than clay brick and aerating brick of powdered coal ash, is conducive to Highrise buildings and lightens the load, significantly alleviate the total loading weight of high buildings and large mansions.Be applicable to fitting-out work to use.
Gypsum block is firm, and intensity is high, indeformable, and waterproof rate reaches 3%, and coefficient of softening is higher than 0.6, and breaking load can reach more than 3,000 thousand Ns.Sound-proofing properties is good, and individual layer weighted transmission loss is 37-41 decibel, and double layer sandwich system more can reach 64 decibels.
Embodiment 2
The preparation of gypsum block: weigh and get the raw materials ready:
● desulfurization gypsum powder 100Kg
● methyl silicon sodium alcoholate 2.0Kg
● diatomite 3.2Kg
● PP fiber 0.01Kg
● perlite 2.0Kg
● sodium lauryl sulphate 2.7Kg
Natural gesso and 90Kg water are entered stirrer through automatic metering system, start stirrer, stir 1 ~ 2min, make fully to stir pulping, the Gypsum slurry mixed is poured in forming machine formwork erection chamber, by solutioning machine automatic scraping mouth after initial set, then eject die cavity by hydraulic lifting machine, then start gypsum block space clamp, clamp gypsum block group, along vertical clamp track travel, by automatic fixture, gypsum block is caught away, make gypsum block depanning.Gained gypsum block is square materials for wall, and surrounding is with groove and key.
Adopt artificial seasoning mode, space clamp has clamped gypsum block group, is placed on kiln car, enters tunnel drying kiln artificial seasoning.The tunnel drying kiln artificial seasoning time is about 24h.
Dried gypsum block, specification is 666mm × 500mm, and 3 pieces of area sums are 1m 2, thickness 100mm.
Fire resistance (performing GB/T9978-1999) is 100mm:240minsFRP; Sound-proofing properties (BSENISO140-3:1995) is 100mm:41dBSTC.
Water repelling property (perform BSEN12589:2001Part5.8) meets to be put 2 hours water-intake rates in water into and not to exceed weight 5% own.
Through product after the assay was approved, unload block building machine freight through packing plant by machinery, building block is tied bundled usually transport by cargo transport forklift and puts in storage.
Gained the finished product gypsum block unit weight 780 kilograms/square metre, gypsum block is firm, and intensity is high, indeformable, and breaking load can reach more than 3,000 thousand Ns.Sound-proofing properties is good, and individual layer weighted transmission loss is 37-41 decibel, and double layer sandwich system more can reach 64 decibels.
Embodiment 3
The preparation of gypsum block:
Weigh and get the raw materials ready:
● desulfurization gypsum powder 100Kg
● methyl silicon sodium alcoholate 1.2Kg
● diatomite 2.5Kg
● PP fiber 0.1Kg
● perlite 1.8Kg
● sodium lauryl sulphate 2.2Kg
Natural gesso and 95Kg water are entered stirrer through automatic metering system, start stirrer, stir 1 ~ 2min, make fully to stir pulping, the Gypsum slurry mixed is poured in forming machine formwork erection chamber, by solutioning machine automatic scraping mouth after initial set, then eject die cavity by hydraulic lifting machine, then start gypsum block space clamp, clamp gypsum block group, along vertical clamp track travel, by automatic fixture, gypsum block is caught away, make gypsum block depanning.Gained gypsum block is square materials for wall, and surrounding is with groove and key.
Mode during employing seasoning, space clamp has clamped gypsum block group, is placed on dry shelf, and the mode of transport waggon towards dry place has come, seasoning place should be very smooth, and dry shelf should be aligned to and make gypsum block always be in the position parallel with direction of ventilation.
Dried gypsum block is high density product, and specification is 333mm × 500mm, and 6 pieces of area sums are 1m 2, thickness 100mm.
Fire resistance (performing GB/T9978-1999) is 100mm:240minsFRP; Sound-proofing properties (BSENISO140-3:1995) is 100mm:46dBSTC.
Water repelling property (perform BSEN12589:2001Part5.8) meets to be put 2 hours water-intake rates in water into and not to exceed weight 5% own.
Through product after the assay was approved, unload block building machine freight through packing plant by machinery, building block is tied bundled usually transport by cargo transport forklift and puts in storage.
Gained the finished product gypsum block unit weight 850 kilograms/square metre, gypsum block is firm, and intensity is high, indeformable, and breaking load can reach more than 3,000 thousand Ns.Sound-proofing properties is good, and individual layer weighted transmission loss is 37-41 decibel, and double layer sandwich system more can reach 64 decibels.
Embodiment 4
The preparation of gypsum block:
Weigh and get the raw materials ready:
● natural gesso 100Kg
● methyl silicon sodium alcoholate 1.5Kg
● diatomite 5.0Kg
● PP fiber 0.06Kg
● perlite 1.5Kg
● sodium lauryl sulphate 2.6Kg
Natural gesso and 70Kg water are entered stirrer through automatic metering system, start stirrer, stir 1 ~ 2min, make fully to stir pulping, the Gypsum slurry mixed is poured in forming machine formwork erection chamber, by solutioning machine automatic scraping mouth after initial set, then eject die cavity by hydraulic lifting machine, then start gypsum block space clamp, clamp gypsum block group, along vertical clamp track travel, by automatic fixture, gypsum block is caught away, make gypsum block depanning.Gained gypsum block is square materials for wall, and surrounding is with groove and key.
Adopt artificial seasoning mode, space clamp has clamped gypsum block group, is placed on kiln car, enters tunnel drying kiln artificial seasoning.The tunnel drying kiln artificial seasoning time is about 24h.
Dried gypsum block, specification is 666mm × 500mm, and 3 pieces of area sums are 1m 2, thickness 100mm.
Fire resistance (performing GB/T9978-1999) is 100mm:240minsFRP; Sound-proofing properties (BSENISO140-3:1995) is 100mm:41dBSTC.
Water repelling property (perform BSEN12589:2001Part5.8) meets to be put 2 hours water-intake rates in water into and not to exceed weight 5% own.
Through product after the assay was approved, unload block building machine freight through packing plant by machinery, building block is tied bundled usually transport by cargo transport forklift and puts in storage.
Embodiment 5
The preparation of gypsum block binding agent:
First prepare rubber powder: methyl acrylate and acryl-modified silicone resin resin (SH-024 type, Hubei xinsihai Chemical Co., Ltd.) are mixed according to 5: 1 weight ratios, after drying, obtain rubber powder.Acryl-modified silicone resin resin leading indicator used is as follows:
Project Index Test method
Outward appearance Yellowish to light brown liquid, allowed opalescence, mechanical impurity GB1721
Viscosity (being coated with-4 glasss, 25 DEG C, S) 15~40 GB1723
Solids content (150 DEG C, 2h) % 50±1 GB1725
Time of drying (200 DEG C, h) ≯1.5 GB1728
Thermotolerance (250 DEG C, 200h) Non-foaming, do not ftracture GB1735
Then gypsum raw material powder 100g, rubber powder 1g, citric acid 0.03g are mixed, add 70g water and be stirred into putty and namely can use.The operable time of gained putty is 60 minutes, water-retentivity 95%, and more than intensity 5.0mpa, good fluidity, cohesive force is strong.
Embodiment 6
With reference to embodiment 5, ethyl propenoate is used to prepare rubber powder.Gypsum raw material powder 100g, rubber powder 1g, citric acid 0.01g are mixed, adds 60g water and stir, add PP staple fibre in whipping process, be stirred into putty and namely can use.
The staple length of PP staple fibre is 30mm, and fiber add-on is 0.5Kg/m 3.
Embodiment 7
With reference to embodiment 5,2-methyl methacrylate is used to prepare rubber powder.Gypsum raw material powder 100g, rubber powder 1g, citric acid 0.02g are mixed, adds 65g water and stir, add PP staple fibre in whipping process, be stirred into putty and namely can use.
The staple length of PP staple fibre is 30mm, and fiber add-on is 0.9Kg/m 3.
Embodiment 8
With reference to embodiment 5, butyl acrylate is used to prepare rubber powder.Gypsum raw material powder 100g, rubber powder 1g, citric acid 0.01g are mixed, adds 70g water and stir, add PP staple fibre in whipping process, be stirred into putty and namely can use.
The staple length of PP staple fibre is 30mm, and fiber add-on is 0.6Kg/m 3.
Embodiment 9
Building site Land leveling to be guaranteed ensure that the body of wall installed reaches perpendicular to smooth before construction; Use embodiment 1-4 gypsum block and embodiment 5-8 gypsum block binding agent, according to following table matching relationship, masonry panel:
Walling system A Walling system B Walling system C Walling system D
Gypsum block 1 2 3 4
Gypsum block binding agent 5 6 7 8
Gypsum block binding agent prepares stand-by in advance; First in the bottom of gypsum block and vertically while the binding agent mixed before spreading; Falcon groove between gypsum block with gypsum block should be concavo-convex relative, should fill up binding agent between gap; The installation of upper strata brick will overlap with lower floor's fissure of displacement; Successively install in this approach, corner is engaged; When being mounted to body of wall top, only need saw out inclined-plane on fragment of brick cleans out the powder sawed out; Rear binding agent is installed gap is filled up; Fritter can be sawed out to fill up in the space of gypsum block and gypsum block; The gap in last gypsum block face can be repaired with binding agent and be struck off.See Fig. 1,1-1,1-2,2,2-1,2-2.
Embodiment 10
Walling system stability in an atmosphere compares:
In order to check the long-term internal structure in an atmosphere of body of wall by moisture attack and hazard rating, devising three kinds of typical environment and observing gypsum block weight and volume change.
Test one: by walling system A long-term storage in relative humidity be 95% high humidity environment in.Half a year time, test its volume change and changes in weight.
Test two: walling system B is left in indoor environment and observe 1 year, test volume change and changes in weight.
Test three: under walling system C and D being placed on the dry condition replaced with high humidity (humidity 95%), observe the change of the building block volume after circulating for its 30 times and weight.
Test four: according to embodiment 3,4, under the condition of not adding methyl silicon sodium alcoholate, preparation gypsum block 3` and 4`.According to embodiment 9, preparation walling system C` and D`.Under walling system C` and D` being placed on the dry condition replaced with high humidity (humidity 95%), observe the change of the building block volume after circulating for its 30 times and weight, revision test three.
Test one shows with test two results, and walling system A and B is very limited with indoor moisture uptake in the environment of high humidity, generally fluctuates up and down in the scope of 1%.Gypsum block pore texture has respiratory function, and when namely block interiors water capacity is less than 1%, its meeting absorbing moisture from air, if when water capacity is greater than more than 1%, unnecessary water capacity is breathed out again by it, keeps the balance of building block water capacity.Gypsum block is the moisture absorption of restricted property and hydrofuge function in an atmosphere, can be room and builds the suitable comfortable space of humidity.
After test specimen in test three experiences 30 drying and watering cycles, total situation is that weight in wet base is dry light, and volume change is wetly greater than dry, but is totally still expansion.In cyclic wetting and drying test, although the rate of expansion surveyed is very little, test specimen often experiences and once circulates, and its rate of expansion will rise a bit, and 30 times the rate of expansion that circulates rises to 0.07%.
In test four, the gypsum block that walling system C` and D` is put, rate of expansion rises to 0.09%, there is expansion damage sign.
Above-mentioned test shows, gypsum block has satisfactory stability in an atmosphere, and water capacity only fluctuates about 1%, obviously can not affect its mechanical strength, and body of wall can keep long-term stablizing.And test three, four explanations, gypsum block should not directly be applied in the environment of alternation of wetting and drying, if used, one deck waterproof mortar must be smeared in surface, directly contacts with this environment to stop gypsum block.
Embodiment 11
Embodiment 1 gypsum block is compared with the husky brick of cement and light brick:
From upper table relatively, gypsum block of the present invention is not when needing brandreth to support, build height by laying bricks or stones and can reach 7 meters, this is for existing like product, and performance has obvious lifting., produce and not discharging waste gas, waste residue, waste water and harmful material in use procedure meanwhile, free from environmental pollution.
Embodiment 12
Embodiment 1 gypsum block is compared with the husky brick of cement and light brick:
From upper table relatively, gypsum block of the present invention is not when needing brandreth to support, build height by laying bricks or stones and can reach 7 meters, this is for existing like product, and performance has obvious lifting.Meanwhile, gypsum is nontoxic, also can be used for food-processing, is used as medicine, and can utilize by waste product, recycles, health, free from environmental pollution, belongs to environment-friendly building materials.

Claims (5)

1. an environmental protection walling system, be spliced to form by multiple rectangle gypsum block, stitching portion is connected by gypsum block adhesive cures; Described gypsum block is added water after stirring by gypsum block raw material, casting, and gypsum block rectangular edges has concave groove and male key; Described gypsum block binding agent is Powdered, forms, add water and stir, it is characterized in that: each component of described gypsum block binding agent is configured to before using primarily of gypsum raw material powder:
Gypsum raw material powder 100 weight part;
Rubber powder 1-2 weight part;
Calcium sulphate retarder 0.01-0.03 weight part;
Described rubber powder by acrylate and acryl-modified silicone resin resin according to 5: 1 weight ratio mix and form;
Described acrylate is one or more in methyl acrylate, ethyl propenoate, 2-methyl methacrylate, ethyl 2-methacrylate and butyl acrylate;
Described calcium sulphate retarder is citric acid and salt thereof, citric acid and salt thereof mix weight, relative to gypsum raw material powder for being less than 0.03%;
Add filamentary material in described gypsum block binding agent, relative to gypsum block binding agent, addition is 0.5-0.9Kg/m 3.
2. walling system according to claim 1, is characterized in that, described filamentary material is PP staple fibre, and staple length is at 30-100mm.
3. walling system according to claim 2, is characterized in that, described gypsum block raw material is:
Natural gesso 100Kg
Methyl silicon sodium alcoholate 0.8Kg
Diatomite 1.8Kg
PP fiber 0.1Kg
Perlite 1.5Kg
Sodium lauryl sulphate 1.9Kg;
Or be:
Desulfurization gypsum powder 100Kg
Methyl silicon sodium alcoholate 2.0Kg
Diatomite 3.2Kg
PP fiber 0.01Kg
Perlite 2.0Kg
Sodium lauryl sulphate 2.7Kg;
Or be:
Desulfurization gypsum powder 100Kg
Methyl silicon sodium alcoholate 1.2Kg
Diatomite 2.5Kg
PP fiber 0.1Kg
Perlite 1.8Kg
Sodium lauryl sulphate 2.2Kg;
Or be:
Natural gesso 100Kg
Methyl silicon sodium alcoholate 1.5Kg
Diatomite 5.0Kg
PP fiber 0.06Kg
Perlite 1.5Kg
Sodium lauryl sulphate 2.6Kg.
4. walling system according to claim 3, it is characterized in that, when described gypsum block binding agent uses, described binding agent powder is placed in container, then add water, the part by weight of binding agent powder and water is 1: (0.6-0.7), and standing 1-2 minute stirs evenly into putty and namely can use.
5. walling system according to claim 4, is characterized in that, during preparation gypsum block, is mixed by the various compositions of terra alba and interpolation, add the water mixing of solid weight 70-95%, stir, casting, the demoulding, after oven dry, after inspection, packaging, warehouse-in; When using natural gesso, amount of water is the 70-80% of terra alba weight; When using desulfurization gypsum powder, amount of water is the 80-95% of terra alba weight.
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CN104448601B (en) * 2013-09-13 2017-02-15 北京恒通创新赛木科技股份有限公司 Composite wall material composition, preparation method of composite wall material composition and composite wall material
CN103626416B (en) * 2013-12-02 2015-08-05 三峡大学 A kind of alpha semi-hydrated gypsum composite water-proof agent
CN106082746A (en) * 2016-06-08 2016-11-09 泰安市跨海贸易有限公司 A kind of additive improving gypsum crystal anti-corrosion performance
CN106986604A (en) * 2017-05-05 2017-07-28 咸阳陶瓷研究设计院 Insulating light wall slab that a kind of utilization waste residues of polished tiles is made and preparation method thereof
CN110984425B (en) * 2019-12-21 2022-04-15 深圳全景空间工业有限公司 Method for composing picture by utilizing staggered wall and staggered wall
CN112266638A (en) * 2020-11-06 2021-01-26 苏州佳固士新材料科技有限公司 Water repellent based on inorganic silicate and preparation method and application thereof

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CN102010172A (en) * 2010-11-10 2011-04-13 刘洪彬 Formula for producing gypsum hollow batten
CN202108145U (en) * 2011-05-30 2012-01-11 广东省建筑材料研究院 Ardealite wall brick

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CN1454945A (en) * 2003-05-30 2003-11-12 重庆大学 Environmental-protection type gypsum-based putty powder for building
CN102010172A (en) * 2010-11-10 2011-04-13 刘洪彬 Formula for producing gypsum hollow batten
CN202108145U (en) * 2011-05-30 2012-01-11 广东省建筑材料研究院 Ardealite wall brick

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