CN101139176A - Magnesium metasilicate heat preservation insulating material and method for making same - Google Patents

Abstract

The present invention relates to the technical field of thermal-insulation materials, in particular to a magnesium silicate thermal insulation material and the preparation process. Calculated according to the mass percentage of components, the magnesium silicate thermal insulation material is composed of 2.5 to 5.0 percent of sepiolites, 0.0 to 4.0 percent of palygorskites, 2.5 to 5.0 percent of serpentine amiantuses, 2.0 to 5.0 percent of bentonites, 2.5 to 5.0 percent of perlites, 4.5 to 6.5 percent of binders, 0.0 to 0.2 percent of titanium dioxides, 0.6 to 0.9 percent of penetrating agents, 0.4 to 0.8 percent of industrial sodium nitrates, 0.4 to 0.8 percent of double hydrogen aluminium phosphates, 75 to 82 percent of water, 0.4 to 0.5 percent of high-purity aluminum silicate fiber cotton. The preparation method of the present invention comprises three major processes of 1) preparation of adhesives, 2) preparation of plaster materials and 3) preparation of plates and tube sectional materials. The beneficial effects of the present invention lie in that the application field is wide and the enormous social and economic benefits can be generated.

Description

Magnesium metasilicate heat preservation, lagging material and preparation method thereof

Technical field

The present invention relates to the lagging material technical field, specifically relate to a kind of magnesium metasilicate heat preservation, lagging material and preparation technology thereof.

Background technology

Learn China's industry heat power equipment and pipeline, the only annual lagging material ten thousand stere more than 1500 that needs of new project according to preliminary investigation.Wherein: the expense of departments such as oil, chemical industry, metallurgy, traffic is all above 300 ten thousand steres, the maintenance of original equipment and pipeline, maintenance also need about 400 ten thousand steres, and national industrial heat preservation annual production 800 ten thousand steres only, breach exceedes 50%, and market is satisfied in the import of still needing.

Prediction, by 2010, about 1.4 kilograms of China's lagging material annual production per capita output, by 180 kilograms of unit weights, about 1,000 ten thousand m of ultimate production ³But it is reported major country of production's per capita output in the world (in kilogram), 1975: the U.S. 6.46, France 4.5, West Europe 2.7, Hungary 2.15.This shows that by 2010, China's lagging material industry was still in the ascendant, needs accelerated development.

Along with carrying out of national energy conservation, the enforcement of Eleventh Five-Year Plan plan, development of economic construction, the raising of people's culture living standard, the lagging material demand will be bigger.Reinforcement along with fire prevention, environmental protection ideas has the accelerated development of multi-functional magnesium metasilicate heat preservations such as energy-saving and environmental protection, fire prevention, lagging material concurrently, will have bigger social effect.

Summary of the invention

Problem to be solved by this invention is to propose a kind of multi-functional composite magnesium silicate insulation that has lightweight, energy-conservation, fire prevention, environmental protection concurrently, lagging material and preparation method thereof at above-mentioned prior art.

The present invention for the solution that problem adopted of the above-mentioned proposition of solution is:

Magnesium metasilicate heat preservation, lagging material, its difference are that each recipe ingredient and mass percent thereof are:

Sepiolite 2.5～5.0% polygorskites 0.0～4.0% snake aminanthine 2.5～5.0%

Wilkinite 2.0～5.0% perlites 2.5～5.0% binding agents 4.5～6.5%

Titanium dioxide 0.0～0.2% permeate agent 0.6～0.9% industrial sodium nitrate 0.4～0.8%

Dihydro aluminum phosphate 0.4～0.8% water 75～82% high-purity aluminosilicate fiber cottons 0.4～0.5%.

Described recipe ingredient and mass percent preferable range thereof are:

Sepiolite 3.0～3.5% polygorskites 0.0～3.5% snake aminanthine 4.5～5.0%

Wilkinite 3.0～3.5% perlites 3.0～3.5% binding agents 6.0～6.5%

Titanium dioxide 0.0～0.2% permeate agent 0.6～0.7% industrial sodium nitrate 0.6～0.8%

Dihydro aluminum phosphate 0.6～0.8% water 78～82% high-purity aluminosilicate fiber cottons 0.4～0.5%.

The preparation method of invention includes 1) preparation, 2 of binding agent) preparation and 3 of clay material) the preparation three big processes of plate, pipe profile;

Concrete preparation process is as follows: (below be mass percent)

Get material: ore reduction, discongest: sepiolite, polygorskite raw ore are screened, reject associated minerals, earth, impurity; Sepiolite, polygorskite are cut into size below the 5cm, again through being crushed to 14～20 orders; Snake aminanthine and high-purity aluminosilicate fiber cotton are discongested by the speed of 37kg/h with the flower thinning machine; Boil and produce and the standby combination water of circulation;

1) preparation of binding agent:

Start reactor still wall circulating hot water, inject 80 ℃ of warm water 80～85% to reactor; Start the reactor petcock, start the reactor stirrer, add polyvinyl alcohol 10～14% and stirred 10 minutes; After treating that polyvinyl alcohol fully dissolves, add Xylo-Mucine 4～6% again and stirred 30 minutes; Look in the still material and all dissolve the back and shut down, cool off and get final product barrelling after 20 minutes, more than production is 60 minutes consuming time;

2) the clay material is produced:

Start sexangle synthesis reactor still wall circulating hot water, inject 80 ℃ of warm water 75～82% to synthesis reactor; Drop into snake aminanthine 2.5～5% to synthesis reactor, soaked 20 minutes; After looking the snake aminanthine and fully dissolving, start the synthesis reactor petcock, start the synthesis reactor stirrer; Add permeate agent 0.6～0.9% to synthesis reactor, stirred 10 minutes; Add high-purity aluminosilicate fiber cotton 0.4～0.5% of discongesting, stirred 30 minutes with the flower thinning machine; After high-purity aluminosilicate fiber cotton fully dissolves, add titanium dioxide 0～0.2% and to synthesis reactor, stirred 5～10 minutes; Add sepiolite 2.5～5% more respectively, polygorskite 0～4.0%, wilkinite 2～5%; Behind the restir 10 minutes, temperature is controlled at 40～50 ℃; Add dihydro aluminum phosphate 0.4～0.8% and industrial sodium nitrate 0.4～0.8% respectively, stirred 10 minutes; After treating that material bubbles in the still, add above-mentioned steps 1) binding agent 4.5～6.5% of gained, stirs adding perlite 2.5～5% after 5 minutes, continue to stir 10 minutes, material in the still is put into the froth breaking pond, and natural froth breaking can be taken after 2 hours, more than produced 220～225 minutes consuming time;

3) plate, pipe profile production:

Start the automatic drying room petcock of far infrared, start the drying room preheating, initial temperature is set to 75 ℃, and notices at any time whether voltage, reometer reading on the viewing console meet the production needs; Get step 2) gained clay material, add the perlite that accounts for the clay material 10～20% of getting, stir 10 minutes standby; Get that model conforms to, intact qualified mould, underlay 0.12mm plastics film needs cushioning 0.5mm aluminium supporting plate under the production board mould, inserts in the mould the clay material that stirs is manual, and the surface is rolled flat with guiding ruler, and places on the oven dry vehicle frame, pushes automatic drying room; Start the drying room processing of heating, promptly get magnesium metasilicate heat preservation, lagging material.

The described treatment process of heating is: preceding 3 hours temperature are arranged between 75 ℃～125 ℃ and slowly heat up, and when temperature surpasses 125 ℃, start the exhausting hydrofuge simultaneously; When temperature drops to below 90 ℃, stop the exhausting hydrofuge separately, carry out so repeatedly; 4 hours temperature in back are arranged between 125～175 ℃, when temperature surpasses 175 ℃, start the exhausting hydrofuge simultaneously, stop the exhausting hydrofuge when temperature drops to 135 ℃ separately, carry out so repeatedly; Treat can come out of the stove when product dehydration is to 6～7 one-tenth the demoulding, turn-over, remove plastic film; Advance stove again and continue oven dry 4 hours, temperature is controlled at 175～250 ℃ around here; And by the condition of production in the indicating meter observation drying room; This moment if temperature above 250 ℃: but the too much exhausting of water vapor in a. drying room, the interior water vapor of b. drying room seldom can be lowered the temperature; And then with 3 hours temperature is reduced to below 75 ℃ gradually, the finished product of both can having come out of the stove, more than about 14 hours consuming time.

Sepiolite, the broken best size of polygorskite are 18 orders.

The heating of whole section bar production process, temperature lowering curve must be saddle.

Below preparation magnesium metasilicate heat preservation, each related component of lagging material are analyzed:

A. sepiolite: Mg ₈(H ₂O) ₄[Si ₆O ₁₅] (OH) _{4 8}H ₂O, its adsorptivity is extremely strong, and thermostability is high, can be high temperature resistant 1500～1700 ℃, moulding, sound insulation, good insulation preformance often have minority metathetical positively charged ion, and anti-salinity is higher than other any clay.

B. polygorskite: Mg ₅Si ₈O ₂₀(HO) ₂(HO ₂) _{4 4}H ₂O, its fiber-enriched, microvoid structure, cohesiveness, water-absorbent, plasticity-are strong, dry shrinkage is little, light specific gravity, do not chap, stable electrochemical property is difficult for being flocculated by ionogen, have good stability in high temperature and salt solution, indexes such as cationic exchange total amount, expansion capacity, colloid index, green compression strength are all very high.

C. snake aminanthine: Mg ₆[Si ₄O ₁₀] (OH) ₈, its silky lustre, the high fiber chemical fibre dimension of tool microcapillary columnar structure, the soft high resilience of quality can be split branch, good spinnability.Fusing point height (1500 ℃) and nonflammable.Resistance toheat is good, and its long-time heat-resisting temperature is 500～550 ℃, and heat-resisting in short-term temperature is 700 ℃.Thermal insulation is good, and thermal conductivity only is 0.1～0.23W/mK.Tensile strength is big, can reach 3.16 * 105Pa, has surpassed other organic and inorganic filamentary material widely.Good insulation preformance, its volume specific resistance are generally 3.1 * 108～5.12 * 108 Ω cm, and surface resistivity is 2.6～6.44 * 1018 Ω.Also have stronger alkali resistance (the alkaline etching amount is in 0.3～0.7% scope) and lower acid resistance (the acid etching amount reaches 50～60%), have very strong heat-resisting, anticorrosive, wear-resisting, heat insulation, soundproof effect.

D. wilkinite: Nax (H ₂O) ₄{ (Al ₂～xMg _0.33) [Si ₄O ₁₀] (OH) ₂.Have multiple performances such as water-absorbent, swelling property, cationic exchange, thixotropy, cohesiveness, adsorptivity, thickening property, oilness, stability, decolourising property.

E. perlite: SiO ₂=70% ±, H ₂O=4～6%, Fe ₂O ₃〉=1%.Have that apparent density is light, thermal conductivity is low, chemical stability is good, the use temperature scope is wide, wettability power is little, and characteristics such as nontoxic, tasteless, fire prevention, sound-absorbing.

F. high-purity aluminosilicate fiber cotton: Al ₂O ₃Excellent chemical stability, thermostability and thermal shock resistance, still loose softness and have good elasticity under the condition of high temperature, low heat conduction, low heat capacity, sound absorbing are strong, do not contain any wedding agent and other corrosives.

G. titanium dioxide: TiO ₂Whitening agent, nontoxic, tasteless, reducing power is strong, the fineness calibration is even.

H. permeate agent: C ₂₀H ₃₇O ₇SNa.Anionic (cloudy lotus property) tensio-active agent, have infiltration fast, evenly, characteristics such as wettability, emulsifying property, whipability be all good, wetting power (settling time) is short.Mineral suede (comprising sepiolite cashmere) all had permeate capacity of decomposition preferably.

I. polyvinyl alcohol: purposes is high molecular weight water soluble polymer quite widely, and is nontoxic, has characteristics such as unique strong cohesive property, smoothness, oil-proofness, anti-dissolubility, gas barrier performance, wear resistance, protective colloid.

J. industrial sodium nitrate: NaNO ₃As defoamer, discoloring agent, finings and Aid for Oxidation flux.

K. dihydro aluminum phosphate (liquid state): Al (H ₂PO ₄) ₃Have good resistance to elevated temperatures and bonding capacity, colourless, transparent, can not produce obnoxious flavour, be a kind of high-temperature plastic gel material of excellent property.

1. Xylo-Mucine (alkalescence): (NH ₂) CSO ₂Be a kind of polymeric anion ether of cellulose, nontoxic, tasteless, the easy moisture absorption can be used as emulsifying agent, thickening material, dispersion agent, stablizer, sizing agent, membrane-forming agent, water-holding agent etc.

M. combination water: H ₂O.Can produce micro-bubble in object under high temperature, high speed rotating, be to bring up the base material that product generates micropore.

That " magnesium metasilicate heat preservation lagging material " is that with the natural crystal be that main raw material is produced a kind of has is inorganic, the lagging material of lightweight, efficient, low consumption, energy-saving and environmental protection.It is nontoxic, harmless, "dead", and non-corrosiveness has functions such as acidproof, alkaline-resisting, oil resistant, fire prevention concurrently.

Beneficial effect of the present invention is:

1, Application Areas is wide:

This product is widely used in departments such as national defence, oil, chemical industry, metallurgy, electric power, boats and ships, building, light industry, medicine, heating power, food.

2, can produce huge social, economic benefit:

1. save energy, only with regard to energy-conservation, with medium temperature is 350 ℃, the heat distribution pipeline of one Miho Dockyard N300mm/ φ 325mm is an example, if envrionment temperature is 20 ℃, boiler efficiency 70%, year operation 8000 hours, then uninsulated naked pipe per hour thermosteresis is 8410 kilocalories/m, as with the thick thermal insulation layer of doing of Magnesium Silicate q-agent material 70mm, then per hour reduce 8167 kilocalories/m of thermosteresis, year 6534 ten thousand kilocalories/m of minimizing thermosteresis is equivalent to year 8.16 a tons/m of saving standard, but and 1 cubic metre of magnesium silicate insulating material utilidor 11.5m, can a year saving mark 98.9 tons in coal, in 500 yuan/ton of coal prices, 49450 yuan of folding Renminbi.As 2 ten thousand stere materials all being used for above-mentioned heat distribution pipeline insulation, then year saving standard coal is 197.8 ten thousand tons, about 9.89 hundred million yuan of folding Renminbi.Year saving mark coal amount is equivalent to the output of the newly-built small-size coal mine of country, and don't needs the investment construction of coal mine, and has preserved limited Mineral resources for the descendants.

2. make the state revenue and expenditure additional income.Year production and marketing 20,000 m ³Lagging material can be created about 388.9 ten thousand yuan of value added tax.As add the value added tax of water-proof material, the service tax of construction and installation, but also about more than 300 ten thousand yuan of tax increase.Year production and marketing 20,000 m ³Industrial scale, can provide a hundreds of job to society, help that the country is stable with solidarity.

3. magnesium metasilicate heat preservation, nontoxic, harmless, "dead", fire-resistant, the fp property of lagging material have the social benefit of environmental protection and labour protection equally.

Description of drawings

Fig. 1 is a Production Flow Chart synoptic diagram of the present invention;

Fig. 2 is the automatic control console structural representation of far infrared automatic drying system of the present invention;

Fig. 3 is the baking room structural representation of far infrared automatic drying system of the present invention;

Fig. 4 is the water heater structural representation of production of the present invention, heat circulating system;

Fig. 5 is the synthesis reactor structural representation of production of the present invention, heat circulating system;

Fig. 6 is a stirrer structural representation in the synthesis reactor;

Fig. 7 is a thermal conductivity curve of the present invention.

Embodiment

Below in conjunction with accompanying drawing product of the present invention and Production Flow Chart thereof are done further and to be described in detail

1) binding agent production (is example with 500kg):

Start reactor still wall circulating hot water, inject 80 ℃ of warm water 425kg to reactor; Start the reactor petcock, start the reactor stirrer, add polyvinyl alcohol 50kg and stirred 10 minutes; After treating that polyvinyl alcohol fully dissolves, add Xylo-Mucine 25kg again and stirred 30 minutes; Look in the still material and all dissolve the back and shut down, cool off and get final product barrelling after 20 minutes, more than production is 60 minutes consuming time;

2) thermal-insulating type clay material is produced (with 1m ³=800kg is an example):

Start sexangle synthesis reactor still wall circulating hot water, inject 80 ℃ of warm water 630kg to synthesis reactor; Drop into snake aminanthine 25kg to synthesis reactor, soaked 20 minutes; After looking the snake aminanthine and fully dissolving, start the synthesis reactor petcock, start the synthesis reactor stirrer; Add permeate agent 5kg to synthesis reactor, stirred 10 minutes; Add the high-purity aluminosilicate fiber cotton 3kg that discongested with the flower thinning machine, stirred 30 minutes; After high-purity aluminosilicate fiber cotton fully dissolves, add titanium dioxide 1.5 and to synthesis reactor, stirred 5～10 minutes; Add sepiolite 25kg more respectively, wilkinite 23.5kg; Behind the restir 10 minutes, temperature is controlled at 40～50 ℃; Add dihydro aluminum phosphate 6kg and industrial sodium nitrate 6kg respectively, stirred 10 minutes; After treating that material bubbles in the still, add above-mentioned steps 1) the binding agent 50kg of gained, stirs adding perlite 25kg after 5 minutes, continue to stir 10 minutes, material in the still is put into the froth breaking pond, and natural froth breaking can be taken after 2 hours, more than produced 220～225 minutes consuming time;

3) fire safe type clay material is produced (with 1m ³=800kg is an example):

Start sexangle synthesis reactor still wall circulating hot water, inject 80 ℃ of warm water 600kg to synthesis reactor; Drop into snake aminanthine 20kg to synthesis reactor, soaked 20 minutes; After looking the snake aminanthine and fully dissolving, start the synthesis reactor petcock, start the synthesis reactor stirrer; Add permeate agent 5kg to synthesis reactor, stirred 10 minutes; Add the high-purity aluminosilicate fiber cotton 3kg that discongested with the flower thinning machine, stirred 30 minutes; After high-purity aluminosilicate fiber cotton fully dissolves, add sepiolite 30kg more respectively, polygorskite 30kg, wilkinite 30kg; Behind the restir 10 minutes, temperature is controlled at 40～50 ℃; Add dihydro aluminum phosphate 6kg and industrial sodium nitrate 6kg respectively, stirred 10 minutes; After treating that material bubbles in the still, add above-mentioned steps 1) the binding agent 50kg of gained, stirs adding perlite 20kg after 5 minutes, continue to stir 10 minutes, material in the still is put into the froth breaking pond, and natural froth breaking can be taken after 2 hours, more than produced 220～225 minutes consuming time;

4) plate, pipe profile production:

Start the automatic drying room petcock of far infrared, start the drying room preheating, initial temperature is set to 75 ℃, and notices at any time whether voltage, reometer reading on the viewing console meet the production needs; Get step 2) gained clay material, add the perlite that accounts for the clay material 10～20% of getting, stir 10 minutes standby (the clay material after the stirring must use, otherwise must stir again, so what what get with) in 4 hours; Get that model conforms to, intact qualified mould, underlay 0.12mm plastics film (needing cushioning 0.5mm aluminium supporting plate under the production board mould) is inserted the clay material that stirs in the mould by hand, and the surface is rolled flat with guiding ruler, and place on the oven dry vehicle frame, push automatic drying room; Start the drying room processing of heating.

The described treatment process of heating is: preceding 3 hours temperature are arranged between 75 ℃～125 ℃ and slowly heat up, and when temperature surpasses 125 ℃, start the exhausting hydrofuge simultaneously; When temperature drops to below 90 ℃, stop the exhausting hydrofuge separately, carry out so repeatedly; 4 hours temperature in back are arranged between 125～175 ℃, when temperature surpasses 175 ℃, start the exhausting hydrofuge simultaneously, stop the exhausting hydrofuge when temperature drops to 135 ℃ separately, carry out so repeatedly; Treat can come out of the stove when product dehydration is to 6～7 one-tenth (being that water ratio is 30～40%) demoulding, turn-over, remove plastic film; Advance stove again and continue oven dry 4 hours, temperature is controlled at 175～250 ℃ around here; And by the condition of production in the indicating meter observation drying room; This moment if temperature above 250 ℃: in a. drying room water vapor too much (visibility meter is below 2m) but exhausting, in the b. drying room water vapor seldom (visibility meter is more than 2m) can lower the temperature; And then with 3 hours temperature is reduced to below 75 ℃ gradually, the finished product of both can having come out of the stove, more than about 14 hours consuming time.

Product of the present invention has following characteristic:

1, surface density (ρ): 180 ± 20Kg/m ³

2, thermal conductivity (λ): 0.043w/mK (0.037Kcal/mh ℃);

3, rate of moisture absorption (λ) :≤0.5%;

4, linear shrinkage ratio (H) :≤2%;

5, potential of hydrogen (pH value): 7～7.5;

6, hydrophobic rate: 〉=90%;

7, folding strength (R): 〉=0.3kPa;

8, ultimate compression strength (σ): 〉=0.5kPa;

9, safe handling temperature :-45～+ 800 ℃; + 800 ℃～+ 1700 ℃;

10, combustionproperty rank: uninflammability A level;

11, ecological, environmental protective performance: ventilative, recyclable recycling;

12, freeze-thawing resistant:, heat to subzero 195 ℃ from the room temperature quenching, repeat secondary in 120 hours to 600 ℃ above freezing.The test specimen contoured surface is flawless, bubbling, peel off and metachromatism.

Product of the present invention has following salient features:

1, thin thickness---because its thermal conductivity is low, pretend insulation thermal insulation layer thin thickness, consumption is few, when reaching and surpass the same heat insulation effect of national standard, this material is to use 1/2～1/3 of heat-insulation material consumption both at home and abroad always.

2, in light weight---because its unit weight is little, the load that equipment and structure are born is light, can save the bearing frame of equipment and pipeline and hang, pull-up structure, thereby reduce the adiabatic auxiliary expenses of insulation.

3, adhesive power is strong---and no matter adiabatic to position insulations such as the interarea of pipeline, equipment, the awl ends, generally need not weld auxiliaries such as bar for line, hook, silk screen, reduce the adiabatic cost of supplementary product of insulation, even there is vibration also can not come off.

4, using warm area wide---lagging material is from negative 45 ℃～positive 800 ℃, and refractory materials is from positive 800 ℃～positive 1700 ℃.Stable performance, when varying with temperature, the thermal conductivity curve ratio is milder, has good insulation (cold insulation) insulation effect.

5, plasticity-is strong---the arbitrarily appearance of clay material; Sheet material, shell can be cut, saw; Soft felt can be sheared, curl.The difficult problems of insulation such as special-shaped equipment, pipe fitting, valve have been solved.

6, easy construction---the clay material is smeared and is got final product, and plate, pipe, felt are pasted, clamp, tie up all suitable.

7, multifunctionality---nontoxic dustless, "dead", non-corrosiveness, acid-fast alkali-proof has fire prevention, sound insulation, environmental protection performances such as (old material are recyclable) concurrently.

8, excellent property---this product belongs to mineral-type, so material is not aging, and long service life, performance is unattenuated, and energy-saving effect is remarkable, and heat insulation rate is up to more than 95%.

9, maintenance is convenient---because insulation layer thickness is thin, no annex, equipment, pipeline are detected a flaw, overhauled conveniently.

10, guarantee to produce---when keeping in repair, most insulation of equipment layers keep not stopping production, and can smooth construction on heat power equipment that moves and pipeline.

11, belong to " uninflammability A level " material---be ideal insulation, fire prevention, refractory building material.

12, nontoxic dustless, "dead", non-corrosiveness, free from environmental pollution, do not injure human body, favourable labour protection; Be used for construction wall, roof, can breathe freely (can " breathe "), suitable ecological environment of human settlements.

The physicochemical property of magnesium metasilicate heat preservation lagging material is stable, and every technical data is all passed through national authority quality monitoring mechanism and detected, and all reaches and surpassed the regulation of national standard.Simultaneously also reach and surpassed the relevant regulations of national standards such as Japan, USSR (Union of Soviet Socialist Republics).

Table one: GB GB4272-92 is about regulation and this testing of materials result of lagging material

Project name		Unit	Index		Measuring unit
						National standard	Test result
			Lead and hold coefficient	623K(350℃)				W/mk Kcal/m·h·℃	＜0.12 ＜0.10	0.08 0.069	China Testing Technology Institute of State Bureau of Technical Supervision
25℃	W/mk Kcal/m·h·℃				0.043 0.037	Liaoning Province's construction quality detects Chinese and Western
				Density			kg/m 3	＜500	180	China Testing Technology Institute of State Bureau of Technical Supervision
The safe handling temperature		℃	Indicate			800					Sichuan Province building scientific research institute

Uninflammability

Press GB5464-85 regulation

Non-combustible material A level

Country fire-proof construction material quality supervision and test center

In addition, this product is also acidproof, alkaline-resisting, oil resistant, and non-corrosiveness is "dead".

Table two: GB GB5464-85 is about the non-combustible material test result

Project		Index
				This testing of materials of national standard result
		Index	Heat up in the Tr-stove (℃)			≤50	0
The intensification of Ts-specimen surface (℃)	≤50			0
			The intensification of Tc-sample center (℃)		≤50	0
The sustained combustion time (S)	≤20			1.1
			Rate of weight loss (%)		≤20	13.57
Test result	Be decided to be non-combustible material
				Measuring unit	Country fire-proof construction material quality supervision and test center

USSR (Union of Soviet Socialist Republics) lagging material national standard Γ CT16381-70 is defined as indicating the thermal conductivity higher limit under the temperature: medial temperature is being indicated thermal conductivity higher limit (W/mk) under the medial temperature

Medial temperature (Tm)		25(℃)	125(℃)	300(℃)
					The thermal conductivity rank	The rudimentary heat conduction of A-	0.051	0.081	0.13
σ-intermediate heat conduction	0.12	0.14	0.19
				The senior heat conduction of B-		0.18	0.21	0.27

Table three: the low thermally conductive material of magnesium silicate insulating material and USSR (Union of Soviet Socialist Republics) GB relatively

Project	Medial temperature (℃)	Soviet Union's GB (W/mk)	Magnesium Silicate q-agent testing of materials knot (W/mk)
				Thermal conductivity	300	0.13	0.075

1, physicochemical property table:

Thermal conductivity λ (w/mk)	Dry unit weight ρ (kg/m 2)	Lagging material safe handling temperature	Refractory materials safe handling temperature	Potential of hydrogen Ph
					0.043	180±20	-45～800℃	800～1700℃	7～7.5

2, thermal conductivity equation: λ _(Tm)=a+b _Tm

In the formula: λ---thermal conductivity value unit: w/mk

Tm---test point temperature unit: ℃

A---constant value: 0.040585

B---inferior coefficient value: 0.0001142

3, thermal conductivity tabulation:

Tm(℃)	23	50	100	150	200	250	300
								λ(w/m·k)	0.043	0.046	52	0.058	0.063	0.069	0.075

Tm(℃)	350	400	450	500	550	600	650
								λ(w/m·k)	0.080	O.086	0.092	0.098	0.100	0.109	0.115

4, thermal conductivity curve: see Fig. 7.

Embodiment 2～6

Following preparation method is with embodiment 1

Insulation clay material is produced:

First group

1.1.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	425	50kg	25

1.1.2 lagging material is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Wilkinite	Perlite	Binding agent
							Quantity (kg)	630	25	25	23.5	25	50
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate	Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
							Quantity (kg)	1.5	5	6	6	3

1.1.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	180kg	0.043w/mK	≤ 0.49%	≤ 2%	7～7.5	〉=0.3kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	〉=0.5kPa	-45～+ 800 ℃	〉=90%	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism.

Second group

1.2.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	425	55kg	20

1.2.2 lagging material is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Wilkinite	Perlite	Binding agent
							Quantity (kg)	630	20	20	38.5	20	50
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate	Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
							Quantity (kg)	1.5	5	6	6	3

1.2.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	185kg	0.048w/mK	≤ 0.48%	≤ 1.8%	7～7.5	〉=0.3kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	〉=0.49kPa	-45～+ 800 ℃	〉=94%	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism.

The 3rd group

1.3.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	425	50kg	25

1.3.2 lagging material is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Wilkinite	Perlite	Binding agent
							Quantity (kg)	600	35	35	23.5	35	50
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate	Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
							Quantity (kg)	1.5	5	6	6	3

1.3.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	165kg	0.043w/mK	≤ 0.8%	≤ 2%	7～7.5	〉=0.3kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	〉=0.48kPa	-45～+ 800 ℃	〉=87%	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism.

The 4th group

1.4.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	425	45kg	30

1.4.2 lagging material is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Wilkinite	Perlite	Binding agent
							Quantity (kg)	647	20	20	25.5	20	50
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate	Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
							Quantity (kg)	1.5	5	4	4	3

1.4.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	175kg	0.046w/mK	≤ 0.5%	≤ 2%	7.5～8	〉=0.2kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	〉=0.5kPa	-45～+ 800 ℃	〉=90%	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism.

The 5th group

1.5.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	405	70kg	25

1.5.2 lagging material is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Wilkinite	Perlite	Binding agent
							Quantity (kg)	600	35	25	40	40	39
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate	Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
							Quantity (kg)	1	5	6	6	3

1.5.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	198kg	0.053w/mK	≤ 0.75%	≤ 2%	7～7.5	〉=0.2kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	〉=0.3kPa	-45～+ 800 ℃	〉=93%	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism.

Embodiment 7～11

Following preparation method is with embodiment 1

The refractory mortar material is produced:

Two, refractory materials:

First group

2.1.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	425	50kg	25

2.1.2 refractory materials is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Polygorskite	Wilkinite	Perlite	Binding agent
								Quantity (kg)	600	30	20	30	30	20	50
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate		Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
								Quantity (kg)	0	5	6		6	3

2.1.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	180kg	0.043w/m·K	≤0.49％	≤2％	7～7.5	≥0.3kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	≥0.5kPa	800～1700℃	≥93％	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism

Second group

2.2.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	425	50kg	25

2.2.2 refractory materials is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Polygorskite	Wilkinite	Perlite	Binding agent
								Quantity (kg)	620	20	30	20	20	30	40
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate		Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
								Quantity (kg)	0	5	6		6	3

2.2.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	180kg	0.043w/m·K	≤0.5％	≤2％	7～7.5	≥0.2kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	≥0.5kPa	800～1700℃	≥92％	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism

The 3rd group

2.3.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	400	70kg	30

2.3.2 refractory materials is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Polygorskite	Wilkinite	Perlite	Binding agent
								Quantity (kg)	600	40	20	0	40	30	50
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate		Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
								Quantity (kg)	0	5	6		6	3

2.3.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	210kg	0.058w/m·K	≤0.4％	≤2％	7～7.5	≥0.3kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	≥0.4kPa	800～1500℃	≥95％	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism

The 4th group

2.4.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	420	50kg	30

2.4.2 refractory materials is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Polygorskite	Wilkinite	Perlite	Binding agent
								Quantity (kg)	630	20	20	25	20	20	50
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate		Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
								Quantity (kg)	0	4	4		4	3

2.4.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	175kg	0.045w/m·K	≤0.5％	≤2％	7.5～8	≥0.3kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	≥0.5kPa	800～1700℃	≥87％	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism

The 5th group

2.5.1 binding agent: (with 1m ³=500kg is an example):

The component title	Water	Polyvinyl alcohol	Xylo-Mucine
				Quantity (kg)	425	50kg	25

2.5.2 refractory materials is (with 1m ³=800kg is an example):

The component title	Water	Sepiolite	The snake aminanthine	Polygorskite	Wilkinite	Perlite	Binding agent
								Quantity (kg)	645	20	20	20	20	23	36
The component title	Titanium dioxide	Permeate agent	Industrial sodium nitrate		Dihydro aluminum phosphate	High-purity aluminosilicate fiber cotton
								Quantity (kg)	1.5	5	3.2		3.2	3.1

2.5.3 performance index:

Project	Surface density (ρ)	Thermal conductivity (λ)	Rate of moisture absorption (λ)	Linear shrinkage ratio (H)	Potential of hydrogen (pH value)	Folding strength (R)
							Index	170kg	0.047w/m·K	≤0.5％	≤2％	7～7.5	≥0.2kPa
Project	Ultimate compression strength (σ)	The safe handling temperature	The hydrophobic rate	Combustionproperty	Freeze-thawing resistant
							Index	≥0.4kPa	800～1700℃	≥92％	Uninflammability A level	-195 ℃ to+600 ℃, repeat secondary in the 120h, flawless, bubbling, peel off and metachromatism

The far infrared automatic drying system comprises following structure composition:

1. automatic control console (as shown in Figure 2)

Specification: 1200mm * 600mm * 1200mm, 380V;

Basic function:

1 liquid-crystal display: know steam content in the drying room by high temperature resistant camera 11;

2 buzzer sirens: when temperature, voltage, electric current are above normal set(ting)value in the drying room, report to the police;

3 induced draft fan switches: the exhausting hydrofuge of control drying room;

4 decompression starting switch: 225～300kw reduce the high-tension current that starts moment;

5 oven dry starting switches: the power switch of drying room heating system;

6 digital display type thermometers; 0 ℃～350 ℃, know temperature in the drying room by high temperature resistant detecting head 12;

7 reometers: AC380V observes the normal current when heating in the drying room;

8 voltmeters: AC380V observes the normal voltage when heating in the drying room;

9 warning lights: glittering during with buzzer warning;

10 power supplys, cable: all power supplys, cable all need high temperature resistant, moisture resistant cable.

The installation site: drying room front side, in 10 meters of baking rooms;

Manipulate: after formed product pushes drying room, fasten the oven dry door, start petcock, set temperature value starts the baking room drying system, and its working specification is looked " treatment process of heating ".

2. baking room (as shown in Figure 3)

Specification: long 7200mm * wide 4600mm * high 2600mm, concrete structure;

Basic function:

13 hydrofuge air inducing: every drying room crown center stays the 200mm circular hole, connects turbine type waterproof centrifugal induced draught fan peculiar to vessel hydrofuge; Simultaneously, high temperature resistant sensing probe also is loaded on apart from top 600mm place by this hole, and imports the automatic control platform with high temperature resistant call wire;

14 thermals source distribute: 3kw * 5 piece/row, and 6 rows/, locating distance wall 100mm, the liftoff 300mm in bottom, every spacing 200mm;

15 drying rooms are observed: dress high temperature resistant waterproof camera in every drying room door limit gable imports the automatic control platform with high temperature resistant wire;

16 drying room gate: 2000mm * 750mm * 50mm * two opening/2 fans/, heat insulation door outwards split;

17 drying room tracks: every drying room has two " V " type two-orbits, and per pass can hold 5 oven dry cars;

18 internal vortexes: upper and lower and peripheral eight angles all need chamfering in the drying room, smear into interior ellipse with lagging material;

Manipulate: with 1. " manipulating ".

Production, heat circulating system comprise following structure composition:

1. water heater (as shown in Figure 4):

Specification: diameter 1200mm * high 1650mm+ pin 150mm=volume 1.5T;

Function introduction:

19 water-ins: be installed on place, downward 100mm furnace wall, boiler top, threeway inserts 20 water pumparound behind the valve;

21 automatic water supplement control valves: be installed on 19 water inlets, control flooding quantity automatically;

22 water temperature gauges: 100 ℃, observe water temperature in the stove;

23 water pressure gauges: useful range 1KG～400KG observes hydraulic pressure in the stove;

24 water level gauges: heatproof, withstand voltage Glass tubing water level gauge, observe water level in the stove;

25 water outlets: the 200mm place is the boiler water outlet apart from the boiler wall bottom, and gives production, cycling use of water with distributing T-pipe;

26 Butterworth Hatchs: the 150mm place is the boiler Butterworth Hatch apart from the boiler wall bottom;

27 pressure pumps: meet automatically and press ejector priming, when opening valve, pressurize automatically;

28 under meters: be installed in and produce the water water outlet, the water injection flow is produced in control;

29 valves: water, recirculated water are produced in control;

30 produce the mouth of a river: produce water for each still and use.

31 circulating outlets: use for each still wall circulating hot water; All are the 50mm galvanized pipe into and out of reaching circulating water pipeline.

The installation site: be installed on apart from 5 meters of reactors, synthesis reactor with on the interior same workplatform, the water outlet of boiler should be higher than the still saliva plane of reactor, synthesis reactor;

Manipulate: open Water filling valve toward the interior water filling of stove, the full post-heating of water is to the production water temperature that needs, and the tap water inlet valve is closed in the production that discharges water then, makes production cycle water be able to normal reflux cycle.

2. reactor (figure slightly)

Specification: diameter 1500mm * high 2000mm=volume 1.5t, circle.Wall thickness 5mm steel plate, centre have the interlayer of 80mm to use for recirculated water, and suspension column is the 120mm joist steel;

Function introduction:

Stirrer: reactor tank body upper flat mouth central authorities dress stirrer pedestal, on adorn 380V * 35kw pin pendulum post-type mixer, join 1 of 380V * 35～40kw petcock;

Produce water: directly stretch into 80mm in flat mouthful by reactor top;

Recirculated water: import is loaded on the outside 50mm place downwards of reactor upper wall, and outlet is loaded on inwardly 50mm of outer wall bottom;

Discharge port: the electronic dish valve of the dress DN150mm of central authorities is done discharge port in the reactor bottom;

Pipeline: all are into and out of reaching the galvanized pipe that circulating water pipeline is 50mm.

The installation site: be installed on apart from 5 meters of water heaters with on the interior same workplatform, still wall top exceeds platform 700mm, workplatform clear height 2100mm;

Manipulate: need inject combination water in still by producing, open still wall recirculated water valve, start petcock, drop into material, start pin pendulum post-type mixer, its working specification is looked " binding agent production ".

3. synthesis reactor (as shown in Figure 5):

Specification: diameter 2000mm * high 3000mm=volume 2t, outer round, the internal layer sexangle, wall thickness 5mm steel plate, the centre has the interlayer of 50～120mm to use for recirculated water, and suspension column is the 120mm joist steel;

Function introduction:

32 produce water-in: directly stretch into 80mm place in flat mouthful by reactor top;

33 circulation water-ins: be loaded on downward 50mm place, reactor outer wall top;

34 circulating outlets: be loaded on inwardly 50mm place, reactor outer wall bottom;

35 discharge ports: in the electronic dish valve of the dress DN200mm of reactor bottom central authorities, control discharging.

36 service platforms: long 12000mm * wide 4000mm * high 2100mm, skeleton construction;

37 disappear digs the pond: long 7000mm * wide 4000mm * high 600mm, the brick mix structure of thick 120mm pastes white ceramic tile all around with at the bottom of the pond.

38 stirrers: reactor tank body upper flat mouth central authorities dress stirrer pedestal, on adorn 380V * 35kw pin pendulum post-type mixer, join 1 of 380V * 35～40kw petcock; (as shown in Figure 6)

Pipeline: all are the 50mm galvanized pipe into and out of reaching circulating water pipeline;

The installation site: be installed on apart from 5 meters of water heaters with on the interior same workplatform, still wall top exceeds platform 700mm, workplatform clear height 2100mm;

Manipulate: need inject combination water in still by producing, open still wall recirculated water valve, start petcock, drop into material, start pin pendulum post-type mixer switch, its working specification is looked " production of clay material ".

4. stirrer (as shown in Figure 6):

Specification: 380V * 35kw; Four-stage motor, speed ratio: 1: 11,136 rev/mins of rotating speeds;

Basic function:

Agitating function: work is produced binding agent and is produced the clay material and stir usefulness;

39 agitating vanes: 5 ℃ the elevation angle must be arranged;

Installation site: be installed on respectively on reactor, flat mouthful of central authorities of the synthesis reactor tank body stirring pedestal.

Manipulate: press producting rule and start petcock, start the stirrer switch and stir.

Claims (5)

1. magnesium metasilicate heat preservation, lagging material is characterized in that each recipe ingredient and mass percent thereof are:

Sepiolite 2.5～5.0% polygorskites 0.0～4.0% snake aminanthine 2.5～5.0%

Wilkinite 2.0～5.0% perlites 2.5～5.0% binding agents 4.5～6.5%

Titanium dioxide 0.0～0.2% permeate agent 0.6～0.9% industrial sodium nitrate 0.4～0.8%

Dihydro aluminum phosphate 0.4～0.8% water 75～82% high-purity aluminosilicate fiber cottons 0.4～0.5%.

2. by the described magnesium metasilicate heat preservation of claim 1, lagging material, it is characterized in that described recipe ingredient and mass percent thereof are:

Sepiolite 3.0～3.5% polygorskites 0.0～3.5% snake aminanthine 4.5～5.0%

Wilkinite 3.0～3.5% perlites 3.0～3.5% binding agents 6.0～6.5%

Titanium dioxide 0.0～0.2% permeate agent 0.6～0.7% industrial sodium nitrate 0.6～0.8%

Dihydro aluminum phosphate 0.6～0.8% water 78～82% high-purity aluminosilicate fiber cottons 0.4～0.5%.

3. the preparation method of the described magnesium metasilicate heat preservation of claim 1, lagging material includes 1) preparation 2 of binding agent) preparation and 3 of clay material) the preparation three big processes of plate, pipe profile;

Concrete preparation process is as follows: below be mass percent

Get material: ore reduction, discongest: sepiolite, polygorskite raw ore are screened, reject associated minerals, earth, impurity; Sepiolite, polygorskite are cut into size below the 5cm, again through being crushed to 14～20 orders; Snake aminanthine and high-purity aluminosilicate fiber cotton are discongested by the speed of 37kg/h with the flower thinning machine; Boil and produce and the standby combination water of circulation;

1) preparation of binding agent:

Start reactor still wall circulating hot water, inject 80 ℃ of warm water 80～85% to reactor; Start the reactor petcock, start the reactor stirrer, add polyvinyl alcohol 10～14% and stirred 10 minutes; After treating that polyvinyl alcohol fully dissolves, add Xylo-Mucine 4～6% again and stirred 30 minutes; Look in the still material and all dissolve the back and shut down, cool off and get final product barrelling after 20 minutes, more than production is 60 minutes consuming time;

2) the clay material is produced:

Start sexangle synthesis reactor still wall circulating hot water, inject 80 ℃ of warm water 75～82% to synthesis reactor; Drop into snake aminanthine 2.5～5% to synthesis reactor, soaked 20 minutes; After looking the snake aminanthine and fully dissolving, start the synthesis reactor petcock, start the synthesis reactor stirrer; Add permeate agent 0.6～0.9% to synthesis reactor, stirred 10 minutes; Add high-purity aluminosilicate fiber cotton 0.4～0.5% of discongesting, stirred 30 minutes with the flower thinning machine; After high-purity aluminosilicate fiber cotton fully dissolves, add titanium dioxide 0～0.2% and to synthesis reactor, stirred 5～10 minutes; Add sepiolite 2.5～5% more respectively, polygorskite 0～4.0%, wilkinite 2～5%; Behind the restir 10 minutes, temperature is controlled at 40～50 ℃; Add dihydro aluminum phosphate 0.4～0.8% and industrial sodium nitrate 0.4～0.8% respectively, stirred 10 minutes; After treating that material bubbles in the still, add above-mentioned steps 1) binding agent 4.5～6.5% of gained, stirs adding perlite 2.5～5% after 5 minutes, continue to stir 10 minutes, material in the still is put into the froth breaking pond, and natural froth breaking can be taken after 2 hours, more than produced 220～225 minutes consuming time;

3) plate, pipe profile production:

Start the automatic drying room petcock of far infrared, start the drying room preheating, initial temperature is set to 75 ℃, and notices at any time whether voltage, reometer reading on the viewing console meet the production needs; Get step 2) gained clay material, add the perlite that accounts for the clay material 10～20% of getting, stir 10 minutes standby; Get that model conforms to, intact qualified mould, underlay 0.12mm plastics film needs cushioning 0.5mm aluminium supporting plate under the production board mould, inserts in the mould the clay material that stirs is manual, and the surface is rolled flat with guiding ruler, and places on the oven dry vehicle frame, pushes automatic drying room; Start the drying room processing of heating, promptly get magnesium metasilicate heat preservation, lagging material.

4. by the described preparation method of claim 3, it is characterized in that the described treatment process of heating is: preceding 3 hours temperature are arranged between 75 ℃～125 ℃ and slowly heat up, and when temperature surpasses 125 ℃, start the exhausting hydrofuge simultaneously; When temperature drops to below 90 ℃, stop the exhausting hydrofuge separately, carry out so repeatedly; 4 hours temperature in back are arranged between 125～175 ℃, when temperature surpasses 175 ℃, start the exhausting hydrofuge simultaneously, stop the exhausting hydrofuge when temperature drops to 135 ℃ separately, carry out so repeatedly; Treat can come out of the stove when product dehydration is to 6～7 one-tenth the demoulding, turn-over, remove plastic film; Advance stove again and continue oven dry 4 hours, temperature is controlled at 175～250 ℃ around here; And by the condition of production in the indicating meter observation drying room; This moment if temperature above 250 ℃: but the too much exhausting of water vapor in a. drying room, the interior water vapor of b. drying room seldom can be lowered the temperature; And then with 3 hours temperature is reduced to below 75 ℃ gradually, the finished product of both can having come out of the stove, more than about 14 hours consuming time.

5. by claim 3 or 4 described preparation methods, it is characterized in that described sepiolite, the broken size of polygorskite are 18 orders.

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