CN108727028A - A method of rigid thermal insulation tile green body is made by increasing material manufacturing legal system - Google Patents
A method of rigid thermal insulation tile green body is made by increasing material manufacturing legal system Download PDFInfo
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- CN108727028A CN108727028A CN201810447014.6A CN201810447014A CN108727028A CN 108727028 A CN108727028 A CN 108727028A CN 201810447014 A CN201810447014 A CN 201810447014A CN 108727028 A CN108727028 A CN 108727028A
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- China
- Prior art keywords
- thermal insulation
- green body
- insulation tile
- hole
- tile green
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 106
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 95
- 239000000463 material Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000002002 slurry Substances 0.000 claims abstract description 70
- 239000000835 fiber Substances 0.000 claims abstract description 29
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 72
- 238000001914 filtration Methods 0.000 claims description 65
- 238000006073 displacement reaction Methods 0.000 claims description 54
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 125000006850 spacer group Chemical group 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 13
- 238000010079 rubber tapping Methods 0.000 claims description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 229910052580 B4C Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000001739 density measurement Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 239000002699 waste material 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/563—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on boron carbide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/522—Oxidic
- C04B2235/5228—Silica and alumina, including aluminosilicates, e.g. mullite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/522—Oxidic
- C04B2235/5236—Zirconia
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/526—Fibers characterised by the length of the fibers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5264—Fibers characterised by the diameter of the fibers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6026—Computer aided shaping, e.g. rapid prototyping
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
Abstract
The present invention relates to a kind of methods for making rigid thermal insulation tile green body by increasing material manufacturing legal system, and described method includes following steps：(1) ceramic fibre and nonmetallic boride are uniformly mixed with water, obtain slurry；(2) slurry that step (1) obtains successively is shaped by spraying increasing material manufacturing method, rigidity thermal insulation tile green body is made.The method of the present invention passes through the device progress for increasing material manufacturing rigidity thermal insulation tile green body.The method of the present invention can effectively control the density and thickness and precision of rigid thermal insulation tile green body, obtain high thickness accuracy, even density and high-quality rigid thermal insulation tile green body, in addition, many advantages, such as bright method of we has that easy to operate, manufacturing cost is low, production efficiency is high and is environmentally protective.
Description
Technical field
The invention belongs to rigid thermal insulation tile manufacturing technology field, more particularly to it is a kind of by increasing material manufacturing legal system make rigidity every
The method of hot unbaked tile body.
Background technology
Currently, there is Density inhomogeneity in the fabrication process in rigid thermal insulation tile green body.
The manufacturing process of rigid thermal insulation tile, which generally comprises, is placed in the slurry comprising staple fiber and sintering aid with filtering
Water therein is filtered out in the container of function, then obtains rigid thermal insulation tile green body (filter cake), then by rigid thermal insulation tile green body
It is dried and is sintered successively, to obtain rigid thermal insulation tile；However, can have rigid thermal insulation tile green body using such method
Density inhomogeneity especially on thickness direction in all directions, so as to cause the rigid thermal insulation tile of manufacture intensity and lead
It is hot etc. that there are anisotropy.
Increasing material manufacturing (such as 3D printing method) is mainly characterized by according to the side such as extruding, sintering, melting, photocuring, injection
Formula is successively accumulated, and is a kind of manufacturing method that " from bottom to top " passes through material addition.Currently, the application field of increases material manufacturing technology
Have spread over the industries such as medical treatment, electronics, aerospace, automobile making and creative industry even consumer field；But due to
Existing tradition increasing material manufacturing equipment (such as 3D printing equipment) is not particularly suited for the manufacture of rigid thermal insulation tile green body, therefore, leads to
It crosses increasing material manufacturing legal system and makes rigid thermal insulation tile green body and have not been reported.
Invention content
In order to solve the problems, such as that rigid thermal insulation tile green body has Density inhomogeneity, this hair in the fabrication process in the prior art
It is bright to provide a kind of method that rigid thermal insulation tile green body is made by increasing material manufacturing legal system.The method of the present invention can effectively control rigidity
The density and thickness and precision of thermal insulation tile green body obtain high thickness accuracy, even density and the heat-insulated unbaked tile of high-quality rigidity
Body, in addition, the method for the present invention have it is easy to operate, manufacturing cost is low, production efficiency is high and it is environmentally protective many advantages, such as.
To achieve the goals above, the present invention provides a kind of sides making rigid thermal insulation tile green body by increasing material manufacturing legal system
Method, described method includes following steps：
(1) ceramic fibre and nonmetallic boride are uniformly mixed with water, obtain slurry；With
(2) slurry that step (1) obtains successively is shaped by spraying increasing material manufacturing method, rigidity thermal insulation tile green body is made.
Preferably, before carrying out step (2), the pH for the slurry that step (1) obtains is adjusted to 9~11.
Preferably, the injection increasing material manufacturing method described in step (2) includes following sub-step：
(a) slurry that step (1) obtains is laid in a manner of injection, obtains pulp layer；
(b) pulp layer for obtaining step (a) is compacted, and obtains the first layer of rigid thermal insulation tile green body；With
(c) be repeated on the basis of the first layer of obtained rigid thermal insulation tile green body step (a) and step (b) with
The manufacture for carrying out the second layer of the rigid thermal insulation tile green body, is so constantly repeated up to the manufacture for completing predetermined number of layers, is made
Include the rigid thermal insulation tile green body of multilayer pulp layer.
Preferably, the ceramic fibre is by quartz fibre 30%~85%, alumina fibre by percentage to the quality
4.9%~55% and Zirconium oxide fibre 0.1%~15% form；The nonmetallic boride is selected from by boron carbide and boron nitride group
At group, the dosage of the nonmetallic boride is 0.5wt%~20wt% of the dosage of the ceramic fibre；And/or it is described
Total dosage of ceramic fibre and the nonmetallic boride is 0.3wt%~1wt% of the dosage of the water.
Preferably, the method includes by the device progress for increasing material manufacturing rigidity thermal insulation tile green body, described device：
The filtering container operationally moved in the horizontal direction, the filtering container include peripheral wall, in the lower end position close to the peripheral wall
Fixed and middle part offer the bottom plate of opening, be arranged the lower part for the inner cavity that the peripheral wall surrounds spacer screen, be used to support it is described
The reinforcing rib of spacer screen and it is arranged in the lower section of the reinforcing rib for collecting the liquid filtered out in the filtering container and setting
There is the liquid collecting portion of liquid outlet；Drain pipe for the liquid in the liquid collecting portion to be discharged, the drain pipe go out with the liquid collecting portion
Liquid mouth is connected；For feeding to it is described filtering container in feed system, the feed system include storage compartment, feed pipe, with
Nozzle that the outlet end of the feed pipe is connected and the porous plate positioned at the lower section of the nozzle with hole array, the Kong Zhen
Hole in row is through hole, and the through hole is correspondingly arranged with the nozzle of the nozzle and for supporting and fixing the spray
Mouth；With for the pressue device to the material pressurization in the filtering container, which is arranged in the nozzle horizontal direction
Side, including pressure head, the pressure arm that is fixedly connected with pressure head and the driving dress for driving the pressure arm vertically to stretch
It sets.
Preferably, the through hole is circular hole, and the aperture of the through hole is 4~6mm；The through hole equidistant intervals
Ground is opened in the porous plate, and the distance between hole heart of the adjacent through hole of each two is 8~12mm；The hole array is in institute
State the distributed areas in porous plate, the area of pressure surface of the area of the porous plate and/or the pressure head is enclosed with the peripheral wall
At the cross-sectional area of inner cavity match；It is described more and/or when the filtering container is moved to the underface of the porous plate
Height of the orifice plate apart from the filtering container is 2.5~5cm.
Preferably, the reinforcing rib is in lath-shaped, and the quantity of the reinforcing rib is one or more；It is set on the reinforcing rib
It is equipped with through-hole；The spacer screen is the steel wire of 20~40 mesh；The caliber of the feed pipe is 1.27cm or 2.54cm；And/or institute
It is hose to state feed pipe and/or the drain pipe.
Particularly, it is described filtering container bottom plate on be provided at least one pulley, be provided with below the pulley with
The sliding rail that the pulley matches；Preferably, the sliding rail is two-orbit sliding rail, and the quantity of the pulley is 4.
Preferably, the feed system further includes the spray being successively set between the arrival end and outlet end of the feed pipe
Liquid inlet valve, Liquid spraying pump and hydrojet outlet valve；The feed system further includes the connection storage compartment and the Liquid spraying pump goes out
The return duct of mouth and the return valve being arranged on the return duct；And/or the drain pipe includes main drain pipe and/or secondary drain
Pipe, the main drain pipe are provided with drain inlet valve in one end of the liquid outlet close to the liquid collecting portion, far from the liquid collecting
One end of the liquid outlet in portion is provided with drain outlet valve, the row of being provided between the drain inlet valve and the drain outlet valve
It is provided with tapping valve on liquid pump and/or the secondary drain pipe.
Preferably, the hydrojet inlet valve, the switching of the Liquid spraying pump, the hydrojet outlet valve, the return valve, described
Drain inlet valve, the switching of the positive displacement pump, the drain outlet valve and/or the tapping valve are solenoid valve；It is described to be used to increase
The device of the rigid thermal insulation tile green body of material manufacture further includes PLC controller (programmable logic controller), for sensing the filtering
Container in the horizontal direction the first displacement sensor of displacement, for sense the pressure head vertical direction displacement second displacement pass
Sensor and the pressure sensor being under pressure for sensing the pressure head surface；The PLC controller is passed with first displacement
Sensor, the second displacement sensor, the pressure sensor are connected with the solenoid valve electric signal, and the PLC controller is used
In the signal for receiving first displacement sensor, the second displacement sensor and the pressure sensor sense, and root
The filtering container and the movement of the pressure head and the working condition of the solenoid valve are controlled according to the signal sensed.
The method of the present invention at least has following advantageous effect compared with prior art：
(1) the method for the present invention can effectively control the density and precision of rigid thermal insulation tile green body, obtain even density, thickness
Accurate and high-quality rigid thermal insulation tile green body.
(2) present invention in some preferred embodiments, passes through the device for increasing material manufacturing rigidity thermal insulation tile green body
It carries out, by the multichannels of multiple nozzles and each through hole to the fixation of each nozzle of correspondence successively cloth, largely
On be conducive to obtain the rigid thermal insulation tile green body of even density, the present invention by the pressurization (compaction) of pressue device,
It can obtain thickness accuracy higher, density evenly and the rigid thermal insulation tile green body of better quality.
(3) in some preferred embodiments of the invention, for the spray in the device of increasing material manufacturing rigidity thermal insulation tile green body
Mouth uses micron order nozzle, and through hole equidistant intervals open up, the distance between the hole heart of the adjacent through hole of each two
Setting is more reasonable, and the pulp layer on spacer screen can be made to be distributed more uniform, conducive to the more uniform rigidity of density is obtained
Thermal insulation tile green body.
(4) in some preferred embodiments of the invention, for sending in the device of increasing material manufacturing rigidity thermal insulation tile green body
Material system includes return duct and return valve, and when that will close hydrojet outlet valve, by first opening return valve, return duct can be with
In the backflow of slurry to storage compartment that Liquid spraying pump is continued pumping after the closing of hydrojet outlet valve, it on the one hand can ensure that nozzle is fed
When slurry inlet amount accuracy, on the other hand can effectively prevent deposition of the slurry in feed pipe and/or storage compartment, to
Avoid influencing the using effect and service life of feed pipe, in addition, the setting of return duct and return valve can effectively ensure this
The safety of inventive method operation；The feed system of device in the method for the present invention for increasing material manufacturing rigidity thermal insulation tile green body is set
Set rationally, can be effectively prevented slurry waste and pollution environment, improve the utilization rate of slurry, saved material resources with
And truly accomplish environmentally protective etc..
(5) in some preferred embodiments of the invention, the device for increasing material manufacturing rigidity thermal insulation tile green body is provided with
Automatic control system, can sense in real time the pressure surface of the filtering displacement signal of container, the displacement signal of pressure head and pressure head by
The pressure signal arrived can automatically control filtering container and the movement of pressure head and the working condition of solenoid valve, so as to certainly
The manufacturing process of the rigid thermal insulation tile green body of dynamicization control can save time and the cost of labor of rigid thermal insulation tile green body manufacture,
Improve working efficiency；The manufacture rigidity thermal insulation tile green body of higher efficiency may be implemented using the method for the present invention.
(6) the bright method of we is with easy to operate and safe and reliable, manufacturing cost is low, production efficiency is high and environmentally protective
Many advantages, such as, it is of great significance to popularizing for increases material manufacturing technology.
Description of the drawings
Attached drawing of the present invention only provides for the purpose of illustration, in figure the ratio Yu quantity of each component not necessarily with actual product one
It causes.
Fig. 1 is the device for increasing material manufacturing rigidity thermal insulation tile green body employed in a specific implementation mode of the invention
Structural schematic diagram.
Fig. 2 is the device for increasing material manufacturing rigidity thermal insulation tile green body employed in a specific implementation mode of the invention
Including feed system and drain pipe simple schematic diagram.
Fig. 3 be in Fig. 1 pressue device to filtering container in material pressurize when along A-A schematic cross-section.
Fig. 4 is distribution schematic diagram of the hole array in porous plate that Fig. 1 includes.
Fig. 5 is the enlarged drawing of A in Fig. 4.
When Fig. 6 is cloth, schematic cross-section that the slurry below through hole in Fig. 5 is distributed on spacer screen.
In figure：1：Storage compartment；2：Feed pipe；3：Return duct；4：Nozzle；5：Nozzle；6：Porous plate；7：Through hole；8：It crosses
Filter container；9：Spacer screen；10：Reinforcing rib；11：Liquid collecting portion；12：Liquid outlet；13：Main drain pipe；14：Secondary drain pipe；15：Pressure arm；
16：Pressure head；17：Pulley；18：Sliding rail；19：Hydrojet inlet valve；20：Liquid spraying pump；21：Hydrojet outlet valve；22：Return valve；23：Row
Liquid inlet valve；24：Positive displacement pump；25：Drain outlet valve；26：Tapping valve；27：Material；28：Bottom plate.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, is clearly and completely described technical scheme of the present invention, it is clear that described embodiment is the part of the present invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
The every other embodiment that the property made is obtained under the premise of working, shall fall within the protection scope of the present invention.
The present invention provides a kind of methods for making rigid thermal insulation tile green body by increasing material manufacturing legal system, and the method includes such as
Lower step：
(1) ceramic fibre and nonmetallic boride (sintering aid) are uniformly mixed with water, obtain slurry；With
(2) slurry that step (1) obtains successively is shaped by spraying increasing material manufacturing method, rigidity thermal insulation tile green body is made.
In the present invention, the ceramic fibre can select staple fiber, such as can be length be 500um~5um, diameter
For the staple fiber of 1~10um.
According to some preferred embodiments, before carrying out step (2), the pH for the slurry that step (1) is obtained is adjusted
For 9~11 (such as 9,9.5,10,10.5 or 11), such as it is adjusted by concentrated ammonia liquor.In the present invention preferably by step
(1) pH of the slurry obtained is adjusted to 9~11, so can effectively prevent Solid content that the slurry contains (ceramic fibre and non-
Metal boride) sedimentation, so as to effectively avoid to manufacture even density rigid thermal insulation tile green body cause unfavorable shadow
It rings.
According to some preferred embodiments, the injection increasing material manufacturing method described in step (2) includes following sub-step：
(a) slurry that step (1) obtains is laid in a manner of injection, obtains pulp layer；Such as it can be sprayed by nozzle
The slurry is laid (sprinkling) in the container for forming by the slurry that step (1) obtains；
(b) pulp layer for obtaining step (a) is compacted, and obtains the first layer of rigid thermal insulation tile green body；Such as it can pass through
The pressurization (compaction) of pressue device (is denoted as △ by the thickness reduction predetermined thickness for the pulp layer that step (a) obtains is poor
H), the △ h can be set as needed, such as when need by step (a) obtain thickness be 1cm pulp layer be densified to 0.6cm
When, then the value of △ h is 0.4cm；With
(c) be repeated on the basis of the first layer of obtained rigid thermal insulation tile green body step (a) and step (b) with
The manufacture for carrying out the second layer of the rigid thermal insulation tile green body, is so constantly repeated up to the manufacture for completing predetermined number of layers, is made
Include the rigid thermal insulation tile green body of multilayer pulp layer.
According to some preferred embodiments, the ceramic fibre by quartz fibre 30% by percentage to the quality~
85% (such as 30%, 40%, 50%, 60%, 70%, 80% or 85%), alumina fibre 4.9%~55% (such as
55%) and Zirconium oxide fibre 4.9%, 8%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50% or
0.1%~15% (such as 0.1%, 5%, 8%, 10%, 12% or 15%) forms；The nonmetallic boride is selected from by being carbonized
The group of boron and boron nitride composition, the dosage of the nonmetallic boride be the dosage of the ceramic fibre 0.5wt%~
20wt% (such as 0.5wt%, 1wt%, 5wt%, 10wt%, 15wt% or 20wt%)；And/or the ceramic fibre with it is described
Total dosage of nonmetallic boride be the water dosage 0.3wt%~1wt% (such as 0.3wt%, 0.4wt%,
0.5wt%, 0.6wt%, 0.7wt%, 0.8wt%, 0.9wt% or 1wt%).
According to some preferred embodiments, the method by the device for increasing material manufacturing rigidity thermal insulation tile green body into
Capable, described device for example can be with as shown in Figure 1, include the mistake that operationally (direction shown in figure 1) is moved in the horizontal direction
Filter container 8, drain pipe, feed system and pressue device.
The filtering container 8 includes peripheral wall, fixed in the lower end position close to the peripheral wall and middle part offers opening
Bottom plate 28, be arranged the lower part for the inner cavity that the peripheral wall surrounds spacer screen 9, be used to support the reinforcing rib 10 of the spacer screen 9 and set
It sets in the lower section of the reinforcing rib 10 for collecting the liquid filtered out in the filtering container 8 and the collection for being provided with liquid outlet 12
Liquid portion 11, such as can be as shown in Figure 3；In the present invention, the drain pipe is connected with the liquid outlet 12 in the liquid collecting portion 11,
For the liquid in the liquid collecting portion 11 to be discharged.The material that the present invention uses the peripheral wall and bottom plate 28 that filter container 8 does not have
Special limitation, such as can be made of the material such as aluminium alloy of lightweight；In the present invention, the reinforcing rib 10 is close to described
Spacer screen 9 is arranged, and the both ends of the reinforcing rib 10 can be for example fixed on the bottom plate 28.
The feed system of the device for increasing material manufacturing rigidity thermal insulation tile green body is for feeding to the filtering container 8
In, which includes storage compartment 1, feed pipe 2, the nozzle 4 being connected with the outlet end of the feed pipe 2 and is located at described
The lower section of nozzle 4 has the porous plate 6 of hole array, and (hole array that wherein porous plate 6 has is not shown) as shown in Figure 1 is described
Hole in hole array is through hole 7, and the through hole 7 is correspondingly arranged with the nozzle 5 of the nozzle 4 and for supporting and admittedly
The fixed nozzle 5.In the present invention, the through hole 7 refer to up and down run through the porous plate 6 hole, the hole array be by
Multiple through holes 7 are arranged on porous plate 6 in the form of array；In the present invention, the storage compartment 1 is for (the slurry that feeds
Material), the arrival end of the feed pipe 2 is located in the material (slurry) of the storage compartment 1, the quantity of the nozzle 5 and the perforation
The quantity in hole 7 is suitable, and when the nozzle 5 works, hole array that each nozzle 5 can be fixed on porous plate 6 includes corresponding
Through hole 7 in.In the present invention, when feed pipe 2 starts the material (slurry) in the storage compartment 1 being delivered to the nozzle 4
So that the nozzle 5 of the nozzle 4, into the filtering container 8 when material spray, the time by controlling 5 material spray of nozzle can
To obtain needing the pulp layer of thickness on the spacer screen 9 of the filtering container 8；Due between the feed pipe 2 and the nozzle 4
There are a certain distance, the time of time and the beginning material spray of the nozzle 5 that the feed system starts, there may be certain
It is delayed (such as 1s).The present invention by the multichannels of multiple nozzles 5 and each through hole 7 to the fixation of each nozzle of correspondence 5 by
Layer cloth so that the slurry sprayed on the spacer screen 9 of the filtering container 8 is distributed very uniform, largely favorably
In obtaining the rigid thermal insulation tile green body of even density.
The pressue device is used to pressurize to the material (slurry) in the filtering container 8, is arranged in 4 level side of the nozzle
To side, which includes pressure head 16, the pressure arm being fixedly connected with pressure head 16 15 and for driving 15 edge of the pressure arm
The flexible driving device (being not shown in Fig. 1 and Fig. 3) of vertical direction, the driving device with pressure head 16 by being fixedly connected
Pressure arm 15 can drive the pressure head 16, and vertically (direction shown in figure 1) is mobile；The present invention passes through pressue device
Pressurization can effectively flatten slurry, and liquid (such as water) extra in pulp layer is extruded, effectively control slurry
The thickness and density of the bed of material, so as to obtain thickness accuracy higher, density evenly and better quality rigidity every
Hot unbaked tile body.The present invention is not particularly limited the driving device, can play control pressure arm 15 and stretch in the vertical direction
Pulp layer is pressed to drive ram 16 and is retracted after completing to pressurize；Particularly, the driving device is pneumatic actuation
Device, the pneumatic actuating device include the cylinder for having piston rod, and the piston rod of the cylinder connect (example with the pressure arm 15
One end of pressure arm 15 as described in being connected to the pressure head 16, the driving device are connected to the other end of the pressure arm 15), to
The pressure head 16 can be driven to extend downwardly or retract upwards in the vertical direction.
The present invention does not limit the immobilising device for fixing the nozzle 4, porous plate 6 and pressue device particularly
System, as long as so that porous plate 6 is located at the lower section of the nozzle 4, the through hole 7 that the porous plate 6 has has with the nozzle 4
Nozzle 5 correspond, and the pressue device is located at the side of 4 horizontal direction of the nozzle.
Particularly, the nozzle 4, porous plate 6 and pressue device can be fixed with holder, such as can be such as Fig. 1
It is shown.The holder includes for fixed and first support of the adjusting porous plate 6 in the height of vertical direction when needed
With the second support for fixing and adjusting when needed feed pipe 2 and pressue device position in the horizontal direction.It is described
Second support can fix different location in vertical direction with the first support.The porous plate 6 is fixed on described
On one holder, the feed pipe 2 can be fixed on one end (such as left end) of the second support, and the pressue device can be consolidated
It is scheduled on the other end (such as right end) of the second support.
It is rigid by being carried out for the device of increasing material manufacturing rigidity thermal insulation tile green body according to a more specifically embodiment
The step of manufacture of property thermal insulation tile green body is：
11kg water is used to mix 40g quartz fibres, 5g alumina fibres, 5g Zirconium oxide fibres and 5g boron carbide powders first
At the slurry containing a concentration of 0.5wt% of Solid content, the pH of the slurry is then adjusted to 10 with concentrated ammonia liquor, is obtained described rigid
The slurry of property thermal insulation tile green body；The slurry of the rigid thermal insulation tile green body is placed in storage compartment again, it will be described by feed pipe
Slurry is delivered to nozzle, and the nozzle of the nozzle lays the slurry on the spacer screen of the filtering container in a manner of spraying,
Form pulp layer；Finally, the filtering container is moved to the underface of the pressue device, and the driving device drives the pressure
Head moves vertically downwards, to the pulp layer pressure in the filtering container, by the thickness reduction (pressure of the pulp layer
Predetermined thickness is poor in fact), obtains the first layer with certain thickness rigid thermal insulation tile green body.
On the basis of the first layer of the rigid thermal insulation tile green body the heat-insulated unbaked tile of rigidity is carried out according to aforesaid operations
The manufacture of the second layer of body is so constantly repeated up to the manufacture for completing predetermined number of layers, and the rigidity for including multilayer pulp layer is made
Thermal insulation tile green body.
According to some preferred embodiments, the through hole 7 is circular hole, and the aperture of the through hole 7 is 4~6mm (examples
Such as 4,4.5,5,5.5 or 6mm), preferably 5mm；It is opened in the porous plate 6 to 7 equidistant intervals of the through hole, every two
The distance between hole heart of a adjacent through hole 7 is 8~12mm (8,9,10,11 or 12mm), preferably 10mm.
In the present invention, the distance between hole heart of two adjacent through holes 7 (the hole heart away from) is denoted as L1, two adjacent
Through hole 7 between nearest distance be denoted as L2, as shown in Figure 5.In the present invention, nozzle 5, which is fixed in through hole 7, carries out cloth
When material, the schematic cross-section that the slurry positioned at 7 lower section of through hole is distributed on spacer screen 9 is as shown in fig. 6, every two nozzle 5 is sprayed
Slurry when being distributed on spacer screen 9, the distance between the peaks of two rifle slurries is denoted as L4, between the peak of two rifle slurries
The hole heart of corresponding two through holes 7 of distance (L4) is equal to L1 away from (L1), i.e. L4, and the slurry that each nozzle 5 is sprayed divides on spacer screen 9
The distance between 2 points of lie farthest away are denoted as L3 when cloth.In the present invention, it is preferred to which the aperture for being through hole 7 is 4~6mm, lead to
Cross the size of adjustment L2 so that L1 is that 8~12mm especially works as when the aperture of through hole 7 is 4~6mm, and L1 is 8~12mm
When L1 is equal to twice of aperture (diameter) of the through hole 7, the slurry that each nozzle 5 sprays when being distributed on spacer screen 9 apart
Adjacent with the directly on top nozzle 5 hole heart of two through holes 7 is corresponding respectively for farthest 2 points, i.e. L3 is the two of L4
Times；At this point, the alternate position spike that slurry is distributed on spacer screen 9 is anisotropic minimum, i.e., slurry is distributed most uniform on spacer screen 9.
In the present invention, when the aperture of the through hole 7 is micron order namely the nozzle 5 is micron order nozzle.This hair
The nozzle 5 of the device for increasing material manufacturing rigidity thermal insulation tile in bright uses micron order nozzle, and the adjacent through hole of each two 7
The setting of the distance between the hole heart it is more reasonable, the slurry on spacer screen 9 can be made to be distributed more uniform, conducive to density is obtained
More uniform rigid thermal insulation tile green body.
According to some preferred embodiments, distributed areas of the hole array in the porous plate 6, the porous plate
The cross-sectional area for the inner cavity that the area of the pressure surface of 6 area and/or the pressure head 16 is surrounded with the peripheral wall matches, such as
The cross for the inner cavity that the peripheral wall of the shape of distributed areas of the hole array in the porous plate 6 and the filtering container 8 surrounds
Cross sectional shape is same or similar, and the cross-sectional area for the inner cavity that area is equal to or the slightly less than described peripheral wall surrounds, example
As the shape and area of the porous plate 6 and/or the pressure head 16 are configured to be put into a manner of plate planar horizontal
It filters in container 8, particularly, the week of the pressure surface shape of the porous plate 6 and/or the pressure head 16 and the filtering container 8
The cross-sectional shape for the inner cavity that wall surrounds is identical, and the inner cavity that area is equal to or the slightly less than described peripheral wall surrounds is transversal
Area, so as to be more easily put into a manner of plate planar horizontal in filtering container 8.It illustrates, it is described more
The area of orifice plate 6 refers to the single side area with hole array.
According to some preferred embodiments, when the filtering container 8 is moved to the underface of the porous plate 6, institute
State porous plate 6 apart from it is described filtering container 8 height be provided in all through holes 7 be all fixed with nozzle 5 and these spray
Mouth 5 can be sprayed onto when spraying slurry at the same time in filtering container 8, it is further preferred that being moved in the filtering container 8 described more
When the underface of orifice plate 6, height of the porous plate 6 apart from the filtering container 8 is 2.5~5cm (such as 2.5,3,3.5,4
Or 5cm).
According to some preferred embodiments, the reinforcing rib 10 is in lath-shaped, and the quantity of the reinforcing rib 10 is one
Or it is a plurality of；And/or it is provided with through-hole on the reinforcing rib 10.In the present invention, the reinforcing rib 10 for example can be by intensity height
Material such as stainless steel be made；In the present invention, when the quantity of the reinforcing rib 10 is a plurality of, a plurality of reinforcing rib 10
It can be arranged in parallel or arranged crosswise, such as can be with arranged crosswise in latticed, particularly, when the quantity of the reinforcing rib 10
Can be in groined type with arranged crosswise when being four；In the present invention, it is preferred to be in lath-shaped for the reinforcing rib 10, it can be effective
Guarantee does not influence the flatness on 9 surface of the spacer screen.
According to some preferred embodiments, through-hole (being not shown in Fig. 3) is provided on the reinforcing rib 10.In the present invention
In, the through-hole runs through the reinforcing rib 10 up and down, and the setting of the through-hole can be effectively prevented from reinforcing rib 10 to slurry
Filtering causes unacceptable influence.
According to some preferred embodiments, the spacer screen 9 is the steel of 20~40 mesh (such as 20,25,30,35 or 40 mesh)
Silk screen；The caliber of the feed pipe 2 is 1.27cm (0.5 inch) or 2.54cm (1 inch)；And/or the feed pipe 2 and/or
The drain pipe is hose (such as metal hose).The present invention is not particularly limited the hose, when the feed pipe 2 is
When hose, as long as the length of hose does not limit the movement of nozzle 4, the nozzle 5 of nozzle 4 can be facilitated to be fixed on passing through for porous plate 6
In through-hole 7, or extracted from the through hole 7；And when needing to adjust height of the porous plate 6 apart from the filtering container 8,
The nozzle 4 can be facilitated vertically to move.When the drain pipe is hose, the length of the hose does not limit
Filter 8 movement in the horizontal direction of container.
According to some preferred embodiments, at least one pulley 17, institute are provided on the bottom plate 28 of the filtering container 8
The lower section for stating pulley 17 is provided with the sliding rail 18 to match with the pulley 17；Preferably, the sliding rail 18 is slided for two-orbit
The quantity of rail, the pulley 17 is 4.
According to some preferred embodiments, the feed system further includes being successively set on the entrance of the feed pipe 2
Hydrojet inlet valve 19, Liquid spraying pump 20 and hydrojet outlet valve 21 between end and outlet end, as shown in Figure 2；The feed system is also
Including the return valve for being connected to the return duct 3 of the storage compartment 1 and the outlet of the Liquid spraying pump 20 and being arranged on the return duct 3
22, as shown in Figure 2；In the present invention, the arrival end of the return duct 3 is connected with the outlet of the Liquid spraying pump 20, described time
The outlet end of flow tube 3 is arranged in the storage compartment 1, when that will close the hydrojet outlet valve 21, first opens the reflux
Liquid spraying pump 20 can be continued the backflow of slurry pumped to storage compartment 1 by valve 22, the return duct 3 after the closing of hydrojet outlet valve 21
In, it on the one hand can ensure the accuracy of slurry inlet amount when nozzle 4 is fed, on the other hand slurry can be effectively prevent in feeding
Deposition in pipe 2 and/or storage compartment 1, to avoid influencing the using effect and service life of feed pipe 2, in addition, return duct 3
Setting with return valve 22 can effectively ensure the safety of the method for the present invention operation.
According to some preferred embodiments, the drain pipe includes main drain pipe 13 and/or secondary drain pipe 14；The master
Drain pipe 13 is provided with drain inlet valve 23 in one end of the liquid outlet 12 close to the liquid collecting portion 11, far from the liquid collecting portion
One end of 11 liquid outlet 12 is provided with drain outlet valve 25, between the drain inlet valve 23 and the drain outlet valve 25
It is provided on positive displacement pump 24 and/or the secondary drain pipe 14 and is provided with tapping valve 26；In the present invention, the secondary drain pipe 14
Setting without using positive displacement pump 24 and the drain inlet valve 23 and the drain outlet valve 25 can be closed
When, the liquid that container 8 is obtained by filtration will be filtered, (export) is discharged from the secondary drain pipe 14.In the present invention, the row
Liquid pump 24 is, for example, vacuum pump, such as vacuum filtration pump.In the present invention, when the drain pipe includes main drain pipe 13 and time row
When liquid pipe 14, main drain pipe 13 and time drain pipe 14 can be arranged in parallel (as shown in Figure 2), and can utilize them stage by stage
The liquid in the liquid collecting portion 11 is discharged, such as the early period that pressue device pressurizes to the slurry in the filtering container 8 adopts
Drain is carried out with secondary drain pipe 14, main row is used in the later stage that pressue device pressurizes to the slurry in the filtering container 8
Liquid pipe 13 carries out drain.
According to some preferred embodiments, the hydrojet inlet valve 19, the switching of the Liquid spraying pump 20, the hydrojet goes out
Mouthful valve 21, the return valve 22, the drain inlet valve 23, the switching of the positive displacement pump 24, the drain outlet valve 25 and/or
The tapping valve 26 is solenoid valve, particularly, when the nozzle 4 and/or the nozzle 5 itself have switch, the nozzle 4
And/or the switch of the nozzle 5 is also solenoid valve；The device for increasing material manufacturing rigidity thermal insulation tile green body further includes PLC
Controller, for sense the filtering container 8 in the horizontal direction the first displacement sensor of displacement, for sensing the pressure head 16
In the second displacement sensor of vertical direction displacement and the pressure being under pressure for sensing 16 surface of the pressure head (pressure surface)
Sensor；The PLC controller and first displacement sensor, the second displacement sensor, the pressure sensor and
The solenoid valve electric signal connection, the PLC controller is for receiving first displacement sensor, second displacement sensing
The signal (displacement signal, pressure signal) that device and the pressure sensor sense, and institute is controlled according to the signal sensed
State the movement of filtering container 8 and the pressure head 16 and the working condition of the solenoid valve (state of Push And Release is converted).Especially
Ground is additionally provided with the motor for driving the pulley 17 to slide, to which the PLC controller can be according to institute on bottom plate 28
The signal sensed controls the motor work, to drive the movement of the pulley 17, to realize the filtering container 8
It is mobile.The present invention is not special to the installation position of first displacement sensor, second displacement sensor and pressure sensor
Limitation, such as first displacement sensor can be arranged on the filtering container 8, the second displacement sensor and institute
Stating pressure sensor can be arranged on pressure head 16.
In the present invention, the PLC controller is connect with the solenoid valve electric signal, can realize the automation spray of nozzle 5
Liquid, the PLC controller can automatically control the feeding amount of feed pipe 2 by the way that time parameter is arranged, to control pulp layer
Thickness；In addition, the automatic drain of the automatic back flow of return duct 3, drain pipe may be implemented in the PLC controller.
In the present invention, the PLC controller, first displacement sensor, the second displacement sensor, the pressure
Force snesor and the solenoid valve constitute automatic control system, can in the automation control present invention for increasing material manufacturing rigidity every
The running of the device of hot unbaked tile body can save rigidity so as to the manufacturing process of automation control rigidity thermal insulation tile green body
The time of thermal insulation tile green body manufacture and cost of labor, improve working efficiency；Higher efficiency may be implemented using the method for the present invention
The rigid thermal insulation tile green body of manufacture.
In some more specifically embodiment, for the device of increasing material manufacturing rigidity thermal insulation tile green body in the present invention
Automation control process for example can be：
For the convenience of description, filtering container 8 is denoted as position S at 6 underface of porous plate0, by filtering container 8 in pressure head
Position S is denoted as when 16 underface1；The initial position of pressure head 16 is denoted as h0, 16 surface of pressure head is started to sense from slurry
Displacement when pressure is denoted as h1, slurry thickness difference to be compressed (predetermined thickness is poor) is denoted as △ h, the △ h can be as needed
Setting, such as when needing the pulp layer that thickness is 1cm being forced into 0.6cm, then the value of △ h is 0.4cm.
When filtering container 8 is in position S0When, the first displacement sensor senses the displacement signal, passes to PLC controller,
PLC controller closing volume valve 22 opens hydrojet inlet valve 19, Liquid spraying pump 20 and hydrojet outlet valve 21 successively, by nozzle 5 to
Cloth on the spacer screen 9 of container 8 is filtered, the thickness of the 9 starching bed of material of time control spacer screen by controlling 5 material spray of nozzle.When cloth
Between after, PLC controller open return valve 22 simultaneously close hydrojet outlet valve 21, allow Liquid spraying pump 20 pump slurry pass through feed back
Pipe 3 is circulated back in storage compartment 1, so allows slurry to keep flow circuit, to prevent the Solid contents such as fiber in feed pipe 2 and storing
It is deposited in room 1.In addition, making filtering container 8 be moved on sliding rail 18 by controlling pulley 17, it is moved to position S1When, first
Displacement sensor senses the displacement signal, passes to PLC controller, stops filtering container 8 and moves, while being driven by driving device
Dynamic head 16 is from position h0Start to be moved to vertically downwards in filtering container 8, second displacement sensor in moving process
The displacement for sensing pressure head 16 at any time, as 16 position in-position h of pressure head1Afterwards, according to sets requirement, continue to move down displacement △
h。
In pressure head 16 from h1Start during moving down △ h, PLC controller opens tapping valve 26, by liquid collecting portion 12
Interior liquid is discharged by secondary drain pipe 14, and after scheduled time t, PLC controller closes tapping valve 26, successively the row of opening
Remaining liquid in liquid collecting portion 12 is discharged by main drain pipe 13 for liquid inlet valve 23, positive displacement pump 24 and drain outlet valve 25；Pressure
After first 16 moving displacement reaches △ h, stop mobile pressure head 16, PLC controller closes drain inlet valve 23, positive displacement pump 24 and drain
Outlet valve 25, and control pressure head 16 and be moved upward to position h0.16 in-position h of pressure head0Afterwards, PLC controller is by controlling pulley
17 make filtering container 8 be moved on sliding rail 18, are moved to position S0.Then it repeats the above process, obtains the rigidity for needing thickness
Thermal insulation tile green body.
Hereafter the method for the present invention will be further detailed by way of example, but protection scope of the present invention
It is not limited to these embodiments.
Embodiment 1
It is described to be used for by carrying out the manufacture of rigid thermal insulation tile green body for the device of increasing material manufacturing rigidity thermal insulation tile green body
The device of increasing material manufacturing rigidity thermal insulation tile green body, as shown in Figure 1.The device packet for increasing material manufacturing rigidity thermal insulation tile green body
Include feed system, filtering container, drain pipe, pressue device and automatic control system (PLC controller, the first displacement sensor, the
Two displacement sensors, pressure sensor and solenoid valve).
The filtering container includes 3 reinforcements of the parallel arrangement of peripheral wall, bottom plate, spacer screen (30 mesh steel wire), lath-shaped
Muscle (through-hole is provided on reinforcing rib) and it is arranged in the liquid collecting portion of the lower section of the reinforcing rib, the liquid outlet in the liquid collecting portion and institute
It states drain pipe to be connected, the drain pipe includes main drain pipe and time drain pipe.Wherein, pulley, the cunning are provided on bottom plate
The sliding rail to match with the pulley is provided with below wheel.
The feed system includes the storage compartment that slurry is housed, feed pipe (caliber 2.54cm), is arranged in the feeding
Hydrojet inlet valve, Liquid spraying pump and hydrojet outlet valve between the arrival end of pipe and outlet end are connected to the storage compartment and the spray
The return duct of the outlet of liquid pump and the return valve being arranged on the return duct, the spray being connected with the outlet end of the feed pipe
Head and the porous plate with hole array.Wherein, the hole in the hole array is through hole (circular hole, aperture 5mm), the perforation
It opens up to hole equidistant intervals, the distance between hole heart of the adjacent through hole of each two is 10mm, is moved in the filtering container
To the porous plate underface when, the porous plate apart from it is described filtering container height be 5cm；The hole array is described
The area of distributed areas, the porous plate in porous plate and the area of the pressure surface of the pressure head and the filtering container peripheral wall
The cross-sectional area of the inner cavity surrounded matches；The hydrojet inlet valve, the switch of Liquid spraying pump, hydrojet outlet valve, the return valve,
The drain inlet valve, the switch of positive displacement pump, drain outlet valve and the tapping valve are solenoid valve.
Using the above-mentioned device for increasing material manufacturing rigidity thermal insulation tile green body by increasing material manufacturing legal system make rigidity it is heat-insulated
Unbaked tile body：
11kg water is used to mix 40g quartz fibres, 5g alumina fibres, 5g Zirconium oxide fibres and 5g boron carbide powders first
At the slurry containing a concentration of 0.5wt% of Solid content, the pH of the slurry is then adjusted to 10 with concentrated ammonia liquor, is obtained described rigid
The slurry of property thermal insulation tile green body；The slurry of the rigid thermal insulation tile green body is placed in storage compartment again, using institute in the present embodiment
The device for increasing material manufacturing rigidity thermal insulation tile green body stated is by spraying increasing material manufacturing method by the rigid thermal insulation tile green body
Slurry successively shapes, and obtained includes the rigid thermal insulation tile green body of 7 layers of pulp layer；The wherein described quartz fibre, alumina fibre
Length with Zirconium oxide fibre is 500um~5um, a diameter of 1~10um.
The thickness of rigid every layer of the thermal insulation tile green body of the present embodiment manufacture is 0.6cm；Wherein 7 layers of pulp layer from bottom to top according to
Secondary is first to layer 7, and 7 layers of pulp layer that the rigid thermal insulation tile green body to the present embodiment manufacture includes carry out density measurement, knot
Fruit is as shown in table 1.
Embodiment 2
Embodiment 2 is substantially the same manner as Example 1, the difference is that：The pH of the slurry is adjusted to by unused concentrated ammonia liquor
10。
Embodiment 3
Embodiment 3 is substantially the same manner as Example 1, the difference is that：Embodiment 3 use for increasing material manufacturing rigidity every
In the device of hot unbaked tile body：The distance between hole heart of the adjacent through hole of each two is 8mm.
7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes carry out density measurement, as a result such as 1 institute of table
Show.
Embodiment 4
Embodiment 4 is substantially the same manner as Example 1, the difference is that：Embodiment 4 use for increasing material manufacturing rigidity every
In the device of hot unbaked tile body：The distance between hole heart of the adjacent through hole of each two is 12mm.
7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes carry out density measurement, as a result such as 1 institute of table
Show.
Embodiment 5
Embodiment 5 is substantially the same manner as Example 1, the difference is that：Embodiment 5 use for increasing material manufacturing rigidity every
In the device of hot unbaked tile body：The distance between hole heart of the adjacent through hole of each two is 7mm.
7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes are tested into line density, as a result such as
Shown in table 1.
Embodiment 6
Embodiment 6 is substantially the same manner as Example 1, the difference is that：Embodiment 6 use for increasing material manufacturing rigidity every
In the device of hot unbaked tile body：The distance between hole heart of the adjacent through hole of each two is 13mm.
7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes carry out density measurement, as a result such as 1 institute of table
Show.
Embodiment 7
Embodiment 7 is substantially the same manner as Example 1, the difference is that：Embodiment 7 use for increasing material manufacturing rigidity every
In the device of hot unbaked tile body：The drain pipe only includes main drain pipe, without time drain pipe.
7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes carry out density measurement, as a result such as 1 institute of table
Show.
Embodiment 8
Embodiment 8 is substantially the same manner as Example 1, the difference is that：Embodiment 8 use for increasing material manufacturing rigidity every
In the device of hot unbaked tile body：The drain pipe only includes time drain pipe, dereliction drain pipe.
7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes carry out density measurement, as a result such as 1 institute of table
Show.
Embodiment 9
Embodiment 9 is substantially the same manner as Example 1, the difference is that：In the device that embodiment 9 uses：The feeding system
System does not include porous plate.
7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes carry out density measurement, as a result such as 1 institute of table
Show.
Embodiment 10
Embodiment 10 is substantially the same manner as Example 1, the difference is that：In the device that embodiment 10 uses：Described device
It does not include pressue device.
Rigid thermal insulation tile green body thickness manufactured by the present embodiment is that upper layer is big (thickness of layer 7 is 0.8cm), lower layer
Thickness it is small (thickness of first layer be 0.45cm)；7 layers of pulp layer that rigid thermal insulation tile green body to the present embodiment manufacture includes
Carry out density measurement, the results are shown in Table 1, find density of the manufactured rigid thermal insulation tile green body from first layer to layer 7 according to
Secondary reduction；The present embodiment use device in not include pressue device, i.e., in the manufacturing process of the present embodiment not to pulp layer into
Row compacting；The density of the rigid thermal insulation tile green body of the present embodiment manufacture is that upper layer density is small, and lower layer density is big.
Comparative example 1
11kg water is used to mix 40g quartz fibres, 5g alumina fibres, 5g Zirconium oxide fibres and 5g boron carbide powders first
At the slurry containing a concentration of 0.5wt% of Solid content, the pH of the slurry is then adjusted to 10 with concentrated ammonia liquor, is obtained described rigid
The slurry of property thermal insulation tile green body；The slurry of the rigid thermal insulation tile green body is placed in the container with filtering function again will wherein
Water filter out, then obtain rigid thermal insulation tile green body；The length of the wherein described quartz fibre, alumina fibre and Zirconium oxide fibre
Degree is 500um~5um, a diameter of 1~10um.
Measure the overall thickness for the rigid thermal insulation tile green body that this comparative example obtains, and according to artificial from bottom to top equal of overall thickness
It is divided into seven layers of pulp layer, tests the density of the pulp layer from first layer to layer 7, the results are shown in Table 1.
The present invention makes rigid thermal insulation tile green body by spraying increasing material manufacturing legal system, can effectively control rigid thermal insulation tile green body
Density, the density variation between each layer slurry is small, can obtain even density and thickness accurately rigid thermal insulation tile green body.
In the description of the present invention, it should be noted that unless otherwise indicated, the meaning of " plurality " is two or two with
On；The instructions such as term " horizontal direction ", " vertical direction ", " lower end ", " top ", " lower section ", " lower part " " left end ", " right end "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of method for making rigid thermal insulation tile green body by increasing material manufacturing legal system, which is characterized in that the method includes as follows
Step：
(1) ceramic fibre and nonmetallic boride are uniformly mixed with water, obtain slurry；With
(2) slurry that step (1) obtains successively is shaped by spraying increasing material manufacturing method, rigidity thermal insulation tile green body is made.
2. according to the method described in claim 1, it is characterized in that：
Before carrying out step (2), the pH for the slurry that step (1) obtains is adjusted to 9~11.
3. according to the method described in claim 1, it is characterized in that, the injection increasing material manufacturing method described in step (2) includes as follows
Sub-step：
(a) slurry that step (1) obtains is laid in a manner of injection, obtains pulp layer；
(b) pulp layer for obtaining step (a) is compacted, and obtains the first layer of rigid thermal insulation tile green body；With
(c) it is repeated in step on the basis of the first layer of obtained rigid thermal insulation tile green body
(a) and step (b) is to carry out the manufacture of the second layer of the rigid thermal insulation tile green body, and it is pre- to be so constantly repeated up to completion
The rigid thermal insulation tile green body for including multilayer pulp layer is made in the manufacture of given layer number.
4. according to the method described in claim 1, it is characterized in that：
The ceramic fibre is by quartz fibre 30%~85%, 4.9%~55% and of alumina fibre by percentage to the quality
Zirconium oxide fibre 0.1%~15% forms；
The nonmetallic boride is selected from the group being made of boron carbide and boron nitride, and the dosage of the nonmetallic boride is described
0.5wt%~20wt% of the dosage of ceramic fibre；And/or
Total dosage of the ceramic fibre and the nonmetallic boride is 0.3wt%~1wt% of the dosage of the water.
5. method according to any one of claims 1 to 4, which is characterized in that the method is rigid by being used for increasing material manufacturing
Property thermal insulation tile green body device carry out, described device includes：
The filtering container operationally moved in the horizontal direction, the filtering container include peripheral wall, close to the lower end of the peripheral wall
Position is fixed and middle part offer the bottom plate of opening, be arranged the lower part for the inner cavity that the peripheral wall surrounds spacer screen, be used to support
The reinforcing rib of the spacer screen and it is arranged in the lower section of the reinforcing rib for collecting the liquid filtered out in the filtering container simultaneously
It is provided with the liquid collecting portion of liquid outlet；
Drain pipe for the liquid in the liquid collecting portion to be discharged, the drain pipe are connected with the liquid outlet in the liquid collecting portion；
For the feed system in feeding to the filtering container, which includes storage compartment, feed pipe and the feeding
The nozzle and the hole in porous plate of the lower section of the nozzle with hole array, the hole array that the outlet end of pipe is connected
For through hole, the through hole is correspondingly arranged with the nozzle of the nozzle and for supporting and fixing the nozzle；With
For the pressue device to the material pressurization in the filtering container, which is arranged in the nozzle horizontal direction
Side, including pressure head, the pressure arm that is fixedly connected with pressure head and the driving device for driving the pressure arm vertically to stretch.
6. according to the method described in claim 5, it is characterized in that：
The through hole is circular hole, and the aperture of the through hole is 4~6mm；
It is opened in the porous plate to the through hole equidistant intervals, the distance between the hole heart of the adjacent through hole of each two
For 8~12mm；
Distributed areas, the area of the porous plate and/or the pressure surface of the pressure head of the hole array in the porous plate
The cross-sectional area of inner cavity that is surrounded with the peripheral wall of area match；And/or
When the filtering container is moved to the underface of the porous plate, height of the porous plate apart from the filtering container
For 2.5~5cm.
7. according to the method described in claim 5, it is characterized in that：
The reinforcing rib is in lath-shaped, and the quantity of the reinforcing rib is one or more；
It is provided with through-hole on the reinforcing rib；
The spacer screen is the steel wire of 20~40 mesh；
The caliber of the feed pipe is 1.27cm or 2.54cm；And/or
The feed pipe and/or the drain pipe are hose.
8. according to the method described in claim 5, it is characterized in that：
It is provided at least one pulley on the bottom plate of the filtering container, is provided with below the pulley and the pulley phase
The sliding rail matched；
Preferably, the sliding rail is two-orbit sliding rail, and the quantity of the pulley is 4.
9. according to the method described in claim 5, it is characterized in that：
The feed system further includes the hydrojet inlet valve being successively set between the arrival end and outlet end of the feed pipe, spray
Liquid pump and hydrojet outlet valve；
The feed system further includes the return duct of the connection storage compartment and the outlet of the Liquid spraying pump and is arranged at described time
Return valve in flow tube；And/or
The drain pipe includes main drain pipe and/or secondary drain pipe, and the main drain pipe is in the liquid outlet close to the liquid collecting portion
One end be provided with drain inlet valve, one end of liquid outlet far from the liquid collecting portion is provided with drain outlet valve, described
It is provided between drain inlet valve and the drain outlet valve on positive displacement pump and/or the secondary drain pipe and is provided with tapping valve.
10. according to the method described in claim 9, it is characterized in that：
The hydrojet inlet valve, the switching of the Liquid spraying pump, the hydrojet outlet valve, the return valve, the drain inlet valve,
The switching of the positive displacement pump, the drain outlet valve and/or the tapping valve are solenoid valve；
The device for increasing material manufacturing rigidity thermal insulation tile green body further includes PLC controller, for sensing the filtering container
In the horizontal direction the first displacement sensor of displacement, for sense the pressure head vertical direction displacement second displacement sensor
With the pressure sensor being under pressure for sensing the pressure head surface；
The PLC controller and first displacement sensor, the second displacement sensor, the pressure sensor and described
Solenoid valve electric signal connect, the PLC controller for receive first displacement sensor, the second displacement sensor and
The signal that the pressure sensor senses, and the shifting for filtering container and the pressure head is controlled according to the signal sensed
The working condition of the dynamic and described solenoid valve.
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| CN201810447014.6A CN108727028B (en) | 2018-05-11 | 2018-05-11 | Method for manufacturing rigid heat-insulating tile blank by additive manufacturing method |
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| CN201810447014.6A CN108727028B (en) | 2018-05-11 | 2018-05-11 | Method for manufacturing rigid heat-insulating tile blank by additive manufacturing method |
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| CN108727028B CN108727028B (en) | 2020-08-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250463A (en) * | 2020-09-15 | 2021-01-22 | 航天特种材料及工艺技术研究所 | Method for preparing heat insulation tile blank by spray forming method |
| WO2021077404A1 (en) * | 2019-10-23 | 2021-04-29 | 航天材料及工艺研究所 | Damping and heat-insulation structure, preparation method therefor and application thereof |
| CN114799048A (en) * | 2022-06-06 | 2022-07-29 | 山东冀凯装备制造有限公司 | Scraper conveyor middle groove formwork based on 3D printing forming and integral casting method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619188U (en) * | 2009-12-29 | 2010-11-03 | 周兴和 | Tile maker |
| CN104448744A (en) * | 2014-12-03 | 2015-03-25 | 谢宝军 | Raw material for rapid molding and corresponding three-dimensional rapid molding method |
| CN106903775A (en) * | 2017-01-17 | 2017-06-30 | 华南理工大学 | A kind of many shower nozzle Collaborative Control ceramic powders 3D forming methods |
| DE102016211952A1 (en) * | 2016-06-30 | 2018-01-04 | Eos Gmbh Electro Optical Systems | Coating unit, coating method, apparatus and method for generatively producing a three-dimensional object |
-
2018
- 2018-05-11 CN CN201810447014.6A patent/CN108727028B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619188U (en) * | 2009-12-29 | 2010-11-03 | 周兴和 | Tile maker |
| CN104448744A (en) * | 2014-12-03 | 2015-03-25 | 谢宝军 | Raw material for rapid molding and corresponding three-dimensional rapid molding method |
| DE102016211952A1 (en) * | 2016-06-30 | 2018-01-04 | Eos Gmbh Electro Optical Systems | Coating unit, coating method, apparatus and method for generatively producing a three-dimensional object |
| CN106903775A (en) * | 2017-01-17 | 2017-06-30 | 华南理工大学 | A kind of many shower nozzle Collaborative Control ceramic powders 3D forming methods |
Non-Patent Citations (3)
| Title |
|---|
| 张东兴: "《聚合物基复合材料科学与工程》", 31 July 2017, 哈尔滨工业大学出版社 * |
| 戴遐明: "《超微陶瓷粉体实用化处理技术》", 30 September 2009, 国防工业出版社 * |
| 裴立宅: "《高技术陶瓷材料》", 31 July 2015, 合肥工业大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077404A1 (en) * | 2019-10-23 | 2021-04-29 | 航天材料及工艺研究所 | Damping and heat-insulation structure, preparation method therefor and application thereof |
| CN112250463A (en) * | 2020-09-15 | 2021-01-22 | 航天特种材料及工艺技术研究所 | Method for preparing heat insulation tile blank by spray forming method |
| CN114799048A (en) * | 2022-06-06 | 2022-07-29 | 山东冀凯装备制造有限公司 | Scraper conveyor middle groove formwork based on 3D printing forming and integral casting method thereof |
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