CN106426516A - Method for preparing magnesite plate and magnesite plate prepared through method - Google Patents
Method for preparing magnesite plate and magnesite plate prepared through method Download PDFInfo
- Publication number
- CN106426516A CN106426516A CN201610841761.9A CN201610841761A CN106426516A CN 106426516 A CN106426516 A CN 106426516A CN 201610841761 A CN201610841761 A CN 201610841761A CN 106426516 A CN106426516 A CN 106426516A
- Authority
- CN
- China
- Prior art keywords
- magnesite
- texture
- magnesite board
- cloth
- board
- Prior art date
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- Granted
Links
- 239000001095 magnesium carbonate Substances 0.000 title claims abstract description 153
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 title claims abstract description 153
- 229910000021 magnesium carbonate Inorganic materials 0.000 title claims abstract description 153
- 235000014380 magnesium carbonate Nutrition 0.000 title claims abstract description 153
- 238000000034 method Methods 0.000 title claims abstract description 91
- 239000000463 material Substances 0.000 claims abstract description 114
- 239000000843 powder Substances 0.000 claims abstract description 60
- 238000012423 maintenance Methods 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 238000005034 decoration Methods 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 15
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000005498 polishing Methods 0.000 claims abstract description 9
- 238000004381 surface treatment Methods 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 58
- 238000002360 preparation method Methods 0.000 claims description 30
- 238000007493 shaping process Methods 0.000 claims description 27
- 238000005469 granulation Methods 0.000 claims description 23
- 230000003179 granulation Effects 0.000 claims description 23
- 239000011159 matrix material Substances 0.000 claims description 17
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000010985 leather Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 238000009826 distribution Methods 0.000 abstract description 10
- 239000003086 colorant Substances 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 40
- 239000000919 ceramic Substances 0.000 description 16
- 239000002585 base Substances 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 14
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 12
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 235000013312 flour Nutrition 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 7
- 239000008187 granular material Substances 0.000 description 6
- 239000000395 magnesium oxide Substances 0.000 description 6
- 230000002940 repellent Effects 0.000 description 6
- 239000005871 repellent Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000011863 silicon-based powder Substances 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 235000013339 cereals Nutrition 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003872 feeding technique Methods 0.000 description 1
- 230000000215 hyperchromic effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/006—Pressing by atmospheric pressure, as a result of vacuum generation or by gas or liquid pressure acting directly upon the material, e.g. jets of compressed air
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Finishing Walls (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention provides a method for preparing a magnesite plate and the magnesite plate prepared through the method. The method for preparing the magnesite plate comprises the following steps that (1), raw materials for preparing the magnesite plate are mixed to be uniform, slurry is prepared, the slurry is subjected to primary curing, preliminary curing materials obtained through primary curing are crushed and screened, and powder particles for plate forming are obtained; (2), distributing and forming are carried out, wherein the powder particles for plate forming obtained in the step 1 are subjected to preset texture distribution, then press forming is carried out, and a magnesite plate blank is obtained; (3), maintenance is carried out, wherein the magnesite plate blank obtained in the step 2 is maintained and cured, and a magnesite plate is obtained; and (4), machining treatment is carried out, wherein the magnesite plate obtained in the step 3 is subjected to thickness fixing, grinding and polishing, surface treatment and cutting. The magnesite plate prepared through the method is higher in strength, powder in multiple colors is used for mixed distribution, and the plate can achieve patterns and decoration effects with preset texture.
Description
Technical field
The present invention relates to magnesite material technical field, more particularly, to a kind of preparation method of magnesite board and its prepared
Magnesite board.
Background technology
Magnesite material belongs to purely inorganic jointing material, possesses environmental protection, nontoxic, radiationless, fire resisting, ageing-resistant, acidproof
The excellent properties such as alkali, special-shaped moulding is easily realized, low-temperature setting, without high temperature sintering, is therefore widely used in production.
But magnesite product commercially is all prepared using modes such as stream slurry injection molding, roll-in, extruding at present, and existing
Stream starch injection molded because the mobility of slurry limitation it is difficult to carry out the decorative pattern of magnesite product, pattern, color change set
Meter, therefore often limits the variation of the pattern texture of magnesite product it is impossible to realize controlled design, prepared product itself
Grain effect stiff single, quality heterogeneity, decorative effect is low, and aesthetics is relatively low, can not meet consumer for magnesite
The diversified demand of material.
Content of the invention
It is an object of the invention to proposing the preparation side of a kind of preparation process is simple and the controlled magnesite board of cloth texture
Method.
Further object is that proposing the magnesite board of a kind of texture-rich and High anti bending strength, there is quality
Uniformly, consistency is improved, and rupture strength improves, the feature that water absorption rate declines.
A kind of preparation method of magnesite board is it is characterised in that comprise the steps：
Step 1) granulation：The raw material preparing magnesite board is mixed, makes slurry, make slurry primary solidification, will be just
The initial cure material that step solidification obtains carries out crushing and screening, obtains plate forming powder particles；
Step 2) cloth shaping：Using step 1) plate forming that obtains carries out cloth with powder particles, it is then pressed into
Type obtains magnesite board base；
Step 3) maintenance：By step 2) in obtain magnesite board base carry out curing, obtain magnesite board；
Step 4) working process：By step 3) magnesite board that obtains carries out fixed thickness, grinding and polishing, surface treatment and cutting.
Preferably, in the above-mentioned methods, step 1) in primary solidification hardening time be 30min～180min.
Preferably, in the above-mentioned methods, step 1) in slurry primary solidification carry out under the conditions of constant temperature and humidity, temperature
For 30 DEG C～80 DEG C, humidity is 40%～90%.
Preferably, in the above-mentioned methods, compressing compressing for vibrating under vacuum condition.
Preferably, in the above-mentioned methods, curing operation is constant temperature and humidity maintenance, and described constant temperature and humidity curing temperature is
30 DEG C～60 DEG C, humidity is 50%～90%, and the cycle is 2 hours～48 hours.
Preferably, in the above-mentioned methods, maintenance operation is first to carry out steam press maintenance, then carries out constant temperature and humidity maintenance, described
The steam pressure temperature of steam press maintenance is 150 DEG C～200 DEG C, pressure is 0.1MPa～1.0MPa, the steam press maintenance time is 10 minutes
12 hours.Described constant temperature and humidity curing temperature is 30 DEG C～60 DEG C, humidity is 50%～90%.
Preferably, in the above-mentioned methods, step 1) in also include in granulation process spraying mill base to described initial cure material
And/or the step of spray toner, tool coloured shaping is obtained and uses particle powder.
Preferably, in the above-mentioned methods, step 2) in cloth moulding process have coloured magnesite material using at least one
Material particle powder as texture material, by described texture material pass through the distributing mode of predeterminable texture material lines and its distributing position with
Basic magnesite material particle powder carries out cloth shaping.Here basic magnesite material particle powder refers to be not added with mill base or toner
The powder processing.
Preferably, in the above-mentioned methods, described texture distributing mode is multitube cloth, grid cloth, leather belt material distributing and rolling
The combination of one or more of cylinder cloth.
Using the magnesite board of said method preparation, sheet material includes matrix and decoration texture, and decoration texture is at least embedded
It is distributed in the surface of described matrix；Decoration texture is the clearly demarcated lines in border or pattern.
Preferably, in above-mentioned magnesite board, matrix is divided into bottom and surface layer.Bottom is solid color or multiple color
Grain powder uniformly mixes；Surface layer is that the texture material of at least two colors is formed by default texture cloth.During cloth, using layering cloth
The mode of material punching press is molded, and that is, bottom and surface layer are superimposed through compressing.Underlayer thickness accounts for the 50- of sheet material gross thickness
90%, it is 10-50% that surface thickness accounts for sheet material gross thickness.
In above-mentioned magnesite board, decoration texture is netted, strip, pinniform, one or more of cotton-shaped and cloud shape
Combination.
In above-mentioned magnesite board, matrix surface is provided with concave convex texture.
In above-mentioned magnesite board, decorate the embedded inside being distributed in matrix of texture and/or bottom.
In above-mentioned magnesite board, decoration texture is distributed according to predetermined pattern and position.
Beneficial effects of the present invention：The present invention breaches tradition and prepares the stream slurry moulding process of magnesite board it is proposed that inciting somebody to action
Magnesite slurry carries out pre-reaction process, and is granulated on the basis of not affecting magnesite raw material, obtains dry-press process powder, real
Existing dry powder pressing process, its preparation process is simple, solve stream slurry injection molding and be not easy to design the pattern texture of magnesite material not
Foot, the preparation technology realizing magnesite board, from liquid to Solid State Transformation, not only can achieve dry distribution, and cloth texture can
Control, carries out imitative ceramic distributing by the color of dry-press process powder, texture, and texture is abundanter, is the polynary of magnesite product texture
Change and technical foundation is provided, improve the diversity of magnesite material decoration, the decorative effect such as abundant texture, pattern；Without slurry froth breaking,
After vacuum, vibration are compressing, magnesite board is homogeneous, and consistency is improved, and rupture strength improves, and water absorption rate declines,
Improve the total quality of magnesite board.
Brief description
Fig. 1 is the structural representation on the magnesite board surface of one embodiment of the invention；
Fig. 2 is the structural representation on the magnesite board surface of one embodiment of the invention；
Fig. 3 is the structural representation on the magnesite board surface of one embodiment of the invention；
Fig. 4 is the structural representation of the magnesite board side of one embodiment of the invention；
Wherein：Decoration texture 1, matrix 2, concave convex texture 21.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.It should be noted that
Following examples are that the preferred embodiment of this patent scheme is described, its for illustrative purposes only the present invention program be used, people in the art
Member is it should be appreciated that the scope of the present invention should not be limited.
A kind of preparation method of magnesite board, comprises the steps：
(1) pre-reaction：Magnesite raw material is pressed formula rate dispensing, stirring is obtained slurry, described slurry is injected in container
Enter into and in pre-reaction equipment, carry out pre-reaction process, form initial cure material；Here pre-reaction equipment may be selected to be curing mold
Tool；
(2) granulate：Initial cure material described in step (1) is carried out broken granulation, obtains dry-press process powder；
(3) cloth：The described dry-press process powder obtaining in step (2) is carried out texture cloth in shaping by preset requirement
On mould；
(4) compressing：The mould of cloth honest material is sent to shaping station, vacuumizes, vibrate compressing, acquisition
Magnesite is molded adobe；
(5) maintenance：The shaping adobe obtaining in step (4) is carried out maintenance, obtains magnesite board finished product；
(6) working process：The magnesite board finished product that step (5) is obtained carries out fixed thickness, grinding and polishing, surface treatment and cutting.
A kind of preparation method of magnesite board proposed by the present invention, carries out pre-reaction by the slurry that magnesite raw material is obtained first
Process forms initial cure material, and described pre-reaction equipment is the pre-reaction mould that can make sizing material forming；Described initial cure material is
There is the gel solid matter of some strength, when described initial cure material does not complete reaction, that is, in described initial cure material
Final strength formed before, described initial cure material is carried out broken granulation, screening, thus obtaining dry-press process powder, will obtain
The dry-press process powder obtaining carries out texture cloth, will at least be divided into bed material and texture material, by building by described dry-press process powder
Build known texture Strand Feeding Technique in ceramic tile producing process, texture material is passed through to be formed in powder charity base substrate after shaping
The mode of grain decorating effect is texture cloth, and is vacuumized and compressing, and maintenance and working process, obtains texture
Abundant magnesite board.
From unlike existing technology, the present invention breaches the stream slurry moulding process that tradition prepares magnesite board, proposes
Slurry is carried out pre-reaction process, and is granulated on the basis of not affecting magnesite raw material, obtain dry-press process powder, real
Existing dry powder pressing process, its preparation process is simple, efficiently solve stream slurry injection molding and be not easy to design the pattern texture of magnesite material
Deficiency, realize the preparation technology of magnesite board from liquid to Solid State Transformation, not only can achieve dry distribution, and cloth texture
Controlled, carry out anti-ceramic distributing by the color of dry-press process powder, texture, texture is abundanter, be the many of magnesite product texture
Unitization provides technical foundation, improves the diversity of magnesite material decoration, the decorative effect such as abundant texture, pattern；Disappear without slurry
Bubble, after vacuum, vibration are compressing, magnesite board is homogeneous, and consistency is improved, and rupture strength improves, under water absorption rate
Fall, improves the total quality of magnesite board.
Further illustrate, the reaction time that pre-reaction described in step (1) is processed is 30min～180min.In order to avoid
Described slurry reacts in pre-reaction equipment completely, causes to lead in the broken granulation subsequently carrying out after forming final intensity
Cause to destroy the performances such as its internal intensity, and increase the difficulty crushing granulation, the reaction time that therefore described pre-reaction is processed
Unsuitable long, should be maintained in the range of 30min～180min it is ensured that the performance of the dry-press process powder intensity being obtained.
Further illustrate, pre-reaction described in step (1) is processed as constant temperature and humidity pre-reaction and processes, and described pre-reaction is processed
Mode of heating can be microwave constent temperature heating, any one in hot blast heated at constant temperature or thermocouple heated at constant temperature, described pre- anti-
The temperature that should process is 30 DEG C～80 DEG C, and humidity is 40%～90%.In pre-reaction processing stage, can be according to the temperature of reaction environment
The height of humidity carrying out described constant temperature and humidity pre-reaction and process it is ensured that certain reaction temperature and humidity, thus promoting pre- anti-
The carrying out that should process.
Further illustrate, described initial cure material, can be to the dry-press process powder spray being obtained in broken granulation process
Spread the mill base being pre-configured with or toner.When carrying out broken granulation, it is described dry-press process by spraying into different mill bases or toner
Powder is hyperchromic, thus improving the diversity of dry-press process powder color, facilitates views with described dry-press process powder by color, line
Reason carries out imitative ceramic distributing thus designing the textured pattern of magnesite material, and improves the mobility of dry-press process powder；Its
In, the mill base of employing can make that the coloring on described dry-press process powder surface is more uniform, and tack is higher, it is to avoid colorant during discharging
Drop from dry-press process powder surface and stick to equipment inner wall and cause to waste it is also possible to avoid dry-press process powder being pressed
The type of making is prepared and is fallen off during magnesite material, is layered, the quality of impact magnesite material.
Further, since pulverize granulation during, acquisition is particle not of uniform size, therefore carry out coarse crushing, in broken
Refine described dry-press process powder with small, broken bits to the particle size being suitable for, and by doing that 18～25 mesh sieves separately win evenly sized
Method is molded powder it is ensured that the dry-press process powder quality of output reaches the requirement of granulation, improves the matter of described dry-press process powder
Amount.
Further illustrate, cloth described in step (3) be by by described dry-press process powder by imitate building ceramic tiles
Known press cloth system carry out cloth, distributing mode is included in multitube cloth, grid cloth, leather belt material distributing or cylinder cloth
Any one or more combination.Known press cloth by the imitative building ceramic tiles of the described dry-press process powder injection being prepared into
System carries out cloth, can make the decoration of magnesite board by different distributing modes thus obtaining different texture pattern effect
Effect is abundanter, clearly fine and smooth.
Further illustrate, the vacuum vacuumizing described in step (4) is -0.01～-0.08MPa, and the pumpdown time is
30s～180s, vibration frequency is：50～120HZ.Carried out the mould after texture cloth and be sent to shaping station, entered
Row vacuumizes, and reaches certain vacuum, and compressing under high-frequency vibration, discharges excessive gas, makes dry-press process powder
Material is more uniform so that the bulk density of the magnesite board being obtained is higher, space is few, surface is more uniformly distributed, consistency of thickness and
Its hardness and fold resistance are higher.
Further illustrate, in the maintenance operation of the compressing adobe of step (5), first carry out steam press maintenance, then carry out constant temperature
Constant humidity maintenance, steam pressure temperature is 150 DEG C～200 DEG C, and pressure is 0.1MPa～1.0MPa, and the steam press maintenance time is 10 minutes～12
Hour；Constant temperature and humidity curing temperature is 30 DEG C～60 DEG C, and humidity is 50%～90%.Form magnesite shaping carrying out vibration compacting
After adobe, the magnesite due to being obtained is molded adobe and is being obtained and is applying to the time interval in the middle of technique, therefore also needs to carry out brick
The maintenance operation of base, first carries out the steam press maintenance of certain time, then carries out constant temperature and humidity maintenance, keeps certain temperature and wet
Degree, improve and protection magnesite board performance, easy to operate, maintenance effect is good, makes the total quality of acquisition magnesite board product
More excellent, aesthetics is high.
Further illustrate, described texture cloth is to carry out cloth according to the position of lines set in advance and its distribution.
Using the mode of dry distribution, texture cloth can effectively reach the distribution being precisely controlled its lines texture and shape effect, i.e. root
To be presented on magnesite board according to the lines or pattern effect being pre-designed, and to realize repeatability production, its pattern texture is imitated
Fruit is clearly more demarcated, improves the controllability of magnesite board decorative effect, saves preparation cost.So can be formed in sheet material can
The decorative effect of control texture, and traditional slurry flowing process, because slurry is random flowing, therefore cannot form preset shape and position
The texture put.
As shown in figure 4, a kind of magnesite board, including decoration texture 1 and matrix 2, described at least embedded point of texture 1 of decoration
It is distributed in the surface of described matrix 2；Described decoration texture 1 is the clearly demarcated lines in border or pattern.
A kind of magnesite board proposed by the present invention, at least embedded table being distributed in described matrix 2 of described decoration texture 1
Face, makes the texture of described magnesite board and pattern boundaries clearly demarcated, clearly enriches, substantially increase magnesite board decoration various
Property, and achieve the controllability of grain design；In addition magnesite board is to be formed by dry powder compacting, starches work with respect to conventional flow
Skill, the hardness of magnesite board that it is obtained substantially increases, and has High anti bending strength, bulk density is big, absorptivity is a low spy
Point is it is achieved that the high intensity of magnesite product and variation.
Further illustrate, described decoration texture 1 is netted, strip, pinniform, one or more of cotton-shaped and cloud shape group
Close.Described decoration texture 1 can be textured pattern of different shapes, and combine different colors and form different decorative effects,
Thus improving the diversity of the decoration of magnesite board.
Further illustrate, described matrix 2 surface is additionally provided with concave convex texture 21.The asperities being arranged by described matrix 2
Road 21 mutually forms independent assortment collocation with described decoration texture 1, interlaced, thus increased the decoration effect of magnesite board
Really.
Further illustrate, described decoration texture 1 can also the embedded surface being distributed in described matrix 2 and inside, or table
Face and internal and bottom surface, specifically can be adjusted according to different distributing techniques, for example, need also there is dress in bottom surface
Decoration is managed, then during cloth.Described decoration texture 1 is distributed with embedded, the whole of described magnesite board can be improved
Body intensity, and the different distributions position of described decoration texture 1 then can make the intensity of described magnesite board different, wherein said decoration
Only when surface embeds, the intensity of magnesite board is less than in decoration texture 1 in surface and intensity when being internally embedded texture 1, and
The intensity highest of magnesite board when described decoration texture all has embedded in surface, inside and bottom surface.
Wherein, prepared slurry is according to quality parts ratio, including following component：100 parts of magnesia, magnesium salt solution 80～
130 parts, 90～150 parts of filler and 1～50 part of modifying agent；Described magnesium salt solution is the magnesium chloride solution of Baume degrees 22～30
And/or the Adlerika (mass concentration) of concentration 10～30%, described filler includes in stone flour, silica flour and reinforcing fiber
One or more combination, described modifying agent includes the combination of one or more of water repellent agent, interfacial agents and defoamer.
It should be noted that the object of the invention all can be realized for conventional magnesite material, the raw material of above proportioning compared to
Traditional magnesite material has higher intensity, and its hardening time is long, and longer time can be had can to carry out step 3)
Granulation.This point, for increasing process flexibility in actual production process, makes it possible to there is more wide in range hardening time.
A kind of preparation method of the magnesite board with linear marking of embodiment 1-, comprises the steps：
(1) get the raw materials ready：It is 100 parts of magnesia, 80 parts of the magnesium chloride solution of Baume degrees 26, silica flour 50 from magnesite raw material
Part, 40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, add 10 parts of water repellent agent and 5 parts of interfacial agents to be configured, stir
Mix and slurry is uniformly obtained；
(2) pre-reaction：Constant temperature and humidity pre-reaction mould is entered in the described slurry injection container that step (1) is prepared into
In, carry out constant temperature and humidity pre-reaction process, the reaction time that described constant temperature and humidity pre-reaction is processed is 30min, described constant temperature is permanent
Wet heating-up temperature is 45 DEG C, and humidity is 70%, forms initial cure material；
(3) granulate：Initial cure material described in step (2) is put into and in grinding Granulation Equipments, carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part, spray thereto respectively
Enter yellow mill base and white colorant, carry out 18 mesh sieves that sieve, obtain yellow and white dry-press process powder as texture material, remaining
Broken conventional dry shaping powder is as bed material；
(4) cloth：Known press cloth by the imitative building ceramic tiles of the described dry-press process powder injection obtaining in step (3)
In material system, texture cloth is carried out on mould by preset requirement by multitube distributing mode, in wherein said texture material
Embedded is arranged in the surface of described bed material；
(5) compressing：The mould of cloth honest material is sent to shaping station, vacuumizes, vibrate compressing, acquisition
Magnesite is molded adobe；The described vacuum vacuumizing is -0.01MPa, the 30s pumpdown time, 50HZVibration frequency；
(6) maintenance：The shaping adobe obtaining in step (5) is carried out maintenance, first carries out steam press maintenance, then it is permanent to carry out constant temperature
Wet curing, steam pressure temperature is 175 DEG C, and pressure is 0.5MPa, and the steam press maintenance time is 10 hours；Described constant temperature and humidity curing temperature
For 45 DEG C, humidity is 70%, obtains magnesite board finished product；
(7) working process：The magnesite board finished product that step (6) is obtained carries out fixed thickness, grinding and polishing, surface treatment and cutting,
Obtain the magnesite board with linear marking, as shown in figure 1, the test wherein through rupture strength, rupture strength is 18.6Mpa.
A kind of preparation method of the magnesite board with linear marking of comparative example 1-, wherein except texture material and bed material
Distribution mode different from embodiment 1, i.e. the embedded surface being arranged in described bed material of described texture material and inside；Other steps
Rapid content is all consistent with embodiment 1, the rupture strength through the test of rupture strength for the prepared magnesite board with linear marking
For 19.7Mpa, compare the High anti bending strength of the magnesite board with linear marking obtained by embodiment 1.
A kind of preparation method of the magnesite board with linear marking of comparative example 2-, wherein except texture material and bed material
Distribution mode different from embodiment 1, i.e. the embedded surface being arranged in described bed material of described texture material, internal and bottom surface；Its
His step content is all consistent with embodiment 1, and the prepared magnesite board with linear marking is anti-through the test of rupture strength
Folding intensity is 20.1Mpa, and its rupture strength is above embodiment 1 and comparative example 1.
Therefore can draw, be made according to shown texture bed material position difference the rupture strength of magnesite board different,
Can be in progressive relationship, that is, the only embedded intensity being arranged in bed material surface of described texture material is less than to embed and is arranged in surface and inside
Intensity, and the embedded intensity optimum being arranged in surface, inside and bottom surface, as shown in the table：
| Sequence number | Texture material distributing position | Product rupture strength (MPa) |
| 1 | Bed material surface | 17.8 |
| 2 | Inside bed material | 18.2 |
| 3 | Bed material bottom surface | 17.5 |
| 4 | Bed material surface and inside | 19.6 |
| 5 | Bed material inside and bottom surface | 19.4 |
| 6 | Bed material surface, internal and bottom surface | 20.1 |
A kind of preparation method of the magnesite board with reticular texture of embodiment 2-, comprises the steps：
(1) get the raw materials ready：It is 100 parts of magnesia, 90 parts of the magnesium chloride solution of Baume degrees 30, silica flour 40 from magnesite raw material
Part, 20 parts of stone flour, 35 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, add 10 parts of water repellent agent and 5 parts of interfacial agents to enter
Row configuration, stir prepared slurry；
(2) pre-reaction：Constant temperature and humidity pre-reaction mould is entered in the described slurry injection container that step (1) is prepared into
In, carry out constant temperature and humidity pre-reaction process, the reaction time that described constant temperature and humidity pre-reaction is processed is 80min, described constant temperature is permanent
Wet heating-up temperature is 60 DEG C, and humidity is 90%, forms initial cure material；
(3) granulate：Initial cure material described in step (2) is put into and in grinding Granulation Equipments, carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part powder, respectively to it
In spray into purple mill base and white colorant, carry out 20 mesh sieves that sieve, obtain purple and white dry-press process powder as texture material,
Remaining broken conventional dry shaping powder is as bed material；
(4) cloth：Known press cloth by the imitative building ceramic tiles of the described dry-press process powder injection obtaining in step (3)
In material system, texture cloth is carried out on mould by preset requirement by grid distributing mode, in wherein said texture material
Embedded is arranged in the surface of described bed material, internal and bottom surface；
(5) compressing：The mould of cloth honest material is sent to shaping station, vacuumizes, vibrate compressing, acquisition
Magnesite is molded adobe；The described vacuum vacuumizing is -0.02MPa, and the pumpdown time is 60s, and vibration frequency is 70HZ；
(6) maintenance：The shaping adobe obtaining in step (5) is carried out maintenance, first carries out steam press maintenance, then it is permanent to carry out constant temperature
Wet curing, steam pressure temperature is 150 DEG C, and pressure is 1.0MPa, and the steam press maintenance time is 12 hours；Described constant temperature and humidity curing temperature
For 60 DEG C, humidity is 90%, obtains magnesite board finished product；
(7) working process：The magnesite board finished product that step (6) is obtained carries out fixed thickness, grinding and polishing, surface treatment and cutting,
Obtain the magnesite board with reticular texture, as shown in Figure 2.
A kind of preparation method of the magnesite board with cloud shape texture of embodiment 3-, comprises the steps：
(1) get the raw materials ready：From magnesite raw material be 100 parts of magnesia, 110 parts of the magnesium chloride solution of Baume degrees 26,50 parts of stone flour,
40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, add water repellent agent 10,5 parts of interfacial agents and 5 parts of defoamer to be joined
Put, stir prepared slurry；
(2) pre-reaction：Constant temperature and humidity pre-reaction mould is entered in the described slurry injection container that step (1) is prepared into
In, carry out constant temperature and humidity pre-reaction process, the reaction time that described constant temperature and humidity pre-reaction is processed is 105min, described constant temperature is permanent
Wet heating-up temperature is 30 DEG C, and humidity is 50%, forms initial cure material；
(3) granulate：Initial cure material described in step (2) is put into and in grinding Granulation Equipments, carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part, spray thereto respectively
Enter blue toner and white toner, carry out 20 mesh sieves that sieve, obtain blue and white dry-press process powder as texture material, remaining
Broken conventional dry shaping powder is as bed material；
(4) cloth：Known press cloth by the imitative building ceramic tiles of the described dry-press process powder injection obtaining in step (3)
In material system, texture cloth is carried out on mould by preset requirement by cylinder distributing mode, in wherein said texture material
Embedded is arranged in the surface of described bed material, internal and bottom surface；
(5) compressing：The mould of cloth honest material is sent to shaping station, vacuumizes, vibrate compressing, acquisition
Magnesite is molded adobe；The described vacuum vacuumizing is -0.04MPa, pumpdown time 100s, and vibration frequency is 90HZ；
(6) maintenance：The shaping adobe obtaining in step (5) is carried out maintenance, first carries out steam press maintenance, then it is permanent to carry out constant temperature
Wet curing, steam pressure temperature is 200 DEG C, and pressure is 0.1MPa, and the steam press maintenance time is 1 hour；Described constant temperature and humidity curing temperature
For 30 DEG C, humidity is 50%, obtains magnesite board finished product；
(7) working process：The magnesite board finished product that step (6) is obtained carries out fixed thickness, grinding and polishing, surface treatment and cutting,
Obtain the magnesite board with cloud shape texture, as shown in Figure 3.
A kind of preparation method of the magnesite board with cotton-shaped texture of embodiment 4-, comprises the steps：
(1) get the raw materials ready：It is 100 parts of magnesia, 95 parts of the Adlerika of concentration 30%, silica flour 20 from magnesite raw material
Part, 25 parts of stone flour, 40 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, water repellent agent 15,10 parts of interfacial agents and defoamer
5 parts are configured, and stir prepared slurry；
(2) pre-reaction：Constant temperature and humidity pre-reaction mould is entered in the described slurry injection container that step (1) is prepared into
In, carry out constant temperature and humidity pre-reaction process, the reaction time that described constant temperature and humidity pre-reaction is processed is 120min, described constant temperature is permanent
Wet heating-up temperature is 40 DEG C, and humidity is 60%, forms initial cure material；
(3) granulate：Initial cure material described in step (2) is put into and in grinding Granulation Equipments, carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part, spray thereto respectively
Enter green toner and white toner, carry out 22 mesh sieves that sieve, obtain green and white dry-press process powder as texture material, remaining
Broken conventional dry shaping powder is as bed material；
(4) cloth：Known press cloth by the imitative building ceramic tiles of the described dry-press process powder injection obtaining in step (3)
In material system, texture cloth is carried out on mould by preset requirement by multitube distributing mode, in wherein said texture material
Embedded is arranged in the surface of described bed material, internal and bottom surface；
(5) compressing：The mould of cloth honest material is sent to shaping station, vacuumizes, vibrate compressing, acquisition
Magnesite is molded adobe；The described vacuum vacuumizing is -0.06MPa, pumpdown time 150s, and vibration frequency is 100HZ；
(6) maintenance：The shaping adobe obtaining in step (5) is carried out maintenance, first carries out steam press maintenance, then it is permanent to carry out constant temperature
Wet curing, steam pressure temperature is 165 DEG C, and pressure is 0.8MPa, and the steam press maintenance time is 10 hours；Described constant temperature and humidity curing temperature
For 55 DEG C, humidity is 80%, obtains magnesite board finished product；
(7) working process：The magnesite board finished product that step (6) is obtained carries out fixed thickness, grinding and polishing, surface treatment and cutting,
Obtain the magnesite board with cotton-shaped texture.
A kind of preparation method of the magnesite board with pinniform texture of embodiment 5-, comprises the steps：
(1) get the raw materials ready：It is 100 parts of magnesia, 130 parts of the Adlerika of concentration 15%, silica flour 10 from magnesite raw material
Part, 35 parts of stone flour, 50 parts of ceramic polished waste residue, 0.5 part of phosphoric acid and 3 parts of silicon powder, add water repellent agent 10,15 parts of interfacial agents and disappear
10 parts of infusion is configured, and stir prepared slurry；
(2) pre-reaction：Constant temperature and humidity pre-reaction mould is entered in the described slurry injection container that step (1) is prepared into
In, carry out constant temperature and humidity pre-reaction process, the reaction time that described constant temperature and humidity pre-reaction is processed is 180min, described constant temperature is permanent
Wet heating-up temperature is 50 DEG C, and humidity is 75%, forms initial cure material；
(3) granulate：Initial cure material described in step (2) is put into and in grinding granulation die, carries out broken granulation, successively
Carry out coarse crushing, in broken and fine crushing process crushed and screened, and when carrying out fine crushing process, selected part powder, respectively to it
In spray into red mill base, grey mill base, green mill base and white colorant, carry out 25 mesh sieves that sieve, obtain redness, grey, green
With white dry-press process powder as texture material, remaining broken conventional dry shaping powder is as bed material；
(4) cloth：Known press cloth by the imitative building ceramic tiles of the described dry-press process powder injection obtaining in step (3)
In material system, texture cloth is carried out on mould by preset requirement by grid distributing mode, in wherein said texture material
Embedded is arranged in the surface of described bed material, internal and bottom surface；
(5) compressing：The mould of cloth honest material is sent to shaping station, vacuumizes, vibrate compressing, acquisition
Magnesite is molded adobe；The described vacuum vacuumizing is -0.08MPa, pumpdown time 180s, and vibration frequency is 120HZ；
(6) maintenance：The shaping adobe obtaining in step (5) is carried out maintenance, first carries out steam press maintenance, then it is permanent to carry out constant temperature
Wet curing, steam pressure temperature is 180 DEG C, and pressure is 0.3MPa, and the steam press maintenance time is 8 hours；Described constant temperature and humidity curing temperature
For 40 DEG C, humidity is 65%, obtains magnesite board finished product；
(7) working process：The magnesite board finished product that step (6) is obtained carries out fixed thickness, grinding and polishing, surface treatment and cutting,
Obtain the magnesite board with pinniform texture.
Describe the know-why of the present invention above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel do not need to pay other specific embodiments that performing creative labour can associate the present invention, and these modes fall within
Within protection scope of the present invention.
Claims (16)
1. a kind of preparation method of magnesite board is it is characterised in that comprise the steps：
Step 1) granulation：The raw material preparing magnesite board is mixed, makes slurry, make slurry primary solidification, will be tentatively solid
Change the initial cure material obtaining and carry out crushing and screening, obtain plate forming powder particles；
Step 2) cloth shaping：Using step 1) plate forming that obtains carries out cloth with powder particles, and the type of being then pressed into obtains
Obtain magnesite board base；
Step 3) maintenance：By step 2) in obtain magnesite board base carry out curing, obtain magnesite board；
Step 4) working process：By step 3) magnesite board that obtains carries out fixed thickness, grinding and polishing, surface treatment and cutting.
2. as claimed in claim 1 a kind of preparation method of magnesite board it is characterised in that described step 1) in primary solidification
Hardening time be 30min～180min.
3. as claimed in claim 1 a kind of preparation method of magnesite board it is characterised in that described step 1) in slurry preliminary
Solidification is carried out under the conditions of constant temperature and humidity, and temperature is 30 DEG C～80 DEG C, and humidity is 40%～90%.
4. as claimed in claim 1 a kind of preparation method of magnesite board it is characterised in that described compressing for vacuum bar
Vibrate compressing under part.
5. as claimed in claim 1 a kind of preparation method of magnesite board it is characterised in that described curing operation be perseverance
Constant temperature and humidity maintenance, described constant temperature and humidity curing temperature is 30 DEG C～60 DEG C, and humidity is 50%～90%, and the cycle is 2 hours～48
Hour.
6. as claimed in claim 1 a kind of preparation method of magnesite board it is characterised in that described maintenance operation is in constant temperature
First carry out steam pressure process, the steam pressure temperature that described steam pressure is processed is 150 DEG C～200 DEG C, pressure is 0.1MPa before constant humidity maintenance
～1.0MPa, steam pressure process time are 10 minutes～12 hours.
7. as claimed in claim 1 a kind of preparation method of magnesite board it is characterised in that step 1) in granulation process also
Step including spraying mill base and/or from spray toner to described initial cure material, is obtained the coloured shaping of tool and uses particle powder.
8. as claimed in claim 7 a kind of preparation method of magnesite board it is characterised in that step 2) in cloth moulding process
It is used the coloured magnesite material particle powder of at least one tool as texture material, described texture material is passed through predeterminable texture material
The distributing mode of lines and its distributing position carries out cloth shaping with basic magnesite material particle powder.
9. as claimed in claim 8 a kind of preparation method of magnesite board it is characterised in that described texture distributing mode is many
One or more of pipe cloth, grid cloth, leather belt material distributing and cylinder cloth combine.
10. a kind of magnesite board prepared by magnesite board preparation method using as described in claim 8 or 9 any one,
It is characterized in that, described sheet material includes matrix and decoration texture, decorates at least embedded surface being distributed in described matrix of texture；
Decoration texture is the clearly demarcated lines in border or pattern.
A kind of 11. magnesite boards as claimed in claim 10 are it is characterised in that described matrix is divided into bottom and surface layer.
A kind of 12. magnesite boards as claimed in claim 10 are it is characterised in that described decoration texture is netted, strip, plumage
The combination of one or more of shape, cotton-shaped and cloud shape.
A kind of 13. magnesite boards as claimed in claim 10 are it is characterised in that described matrix surface is provided with concave convex texture.
A kind of 14. magnesite boards as claimed in claim 10 are distributed in matrix it is characterised in that described decoration texture is embedded
Inside and/or bottom.
A kind of 15. magnesite boards as claimed in claim 10 are it is characterised in that described decoration texture is according to predetermined pattern and position
Put and be distributed.
A kind of 16. magnesite boards as claimed in claim 11 it is characterised in that described surface layer account for sheet material gross thickness 10%～
50%, bottom accounts for the 50%～90% of sheet material gross thickness.
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| CN109912290A (en) * | 2019-04-04 | 2019-06-21 | 浙江晶通塑胶有限公司 | A kind of waterproof magnesium substrate and its production method |
| CN113319977A (en) * | 2021-05-26 | 2021-08-31 | 付中 | Production method of glass magnesium board and production method of multilayer composite glass magnesium board |
| CN113334534A (en) * | 2021-08-05 | 2021-09-03 | 佛山市东鹏陶瓷有限公司 | System and process for manufacturing green brick with large granular materials and product |
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