CN108017402A - A kind of non-burning brick Preparation equipment of Zirconium corundum and preparation method - Google Patents
A kind of non-burning brick Preparation equipment of Zirconium corundum and preparation method Download PDFInfo
- Publication number
- CN108017402A CN108017402A CN201711444542.8A CN201711444542A CN108017402A CN 108017402 A CN108017402 A CN 108017402A CN 201711444542 A CN201711444542 A CN 201711444542A CN 108017402 A CN108017402 A CN 108017402A
- Authority
- CN
- China
- Prior art keywords
- plate
- particle diameter
- fine powder
- burning brick
- side wall
- Prior art date
- 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
- 229910052593 corundum Inorganic materials 0.000 title claims abstract description 60
- 239000011449 brick Substances 0.000 title claims abstract description 58
- 239000010431 corundum Substances 0.000 title claims abstract description 46
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 239000004744 fabric Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims description 38
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 35
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 31
- 239000002245 particle Substances 0.000 claims description 30
- 229910019142 PO4 Inorganic materials 0.000 claims description 27
- 239000010452 phosphate Substances 0.000 claims description 27
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 18
- 229910052845 zircon Inorganic materials 0.000 claims description 15
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 14
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- 229910052681 coesite Inorganic materials 0.000 claims description 9
- 229910052906 cristobalite Inorganic materials 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052682 stishovite Inorganic materials 0.000 claims description 9
- 229910052905 tridymite Inorganic materials 0.000 claims description 9
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 claims description 8
- 239000010443 kyanite Substances 0.000 claims description 8
- 229910052850 kyanite Inorganic materials 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 8
- 239000007767 bonding agent Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 claims 2
- 239000002994 raw material Substances 0.000 abstract description 10
- 230000000717 retained effect Effects 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 229910052863 mullite Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 6
- 238000004079 fireproofing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036314 physical performance Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- 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
- C04B2235/30—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
- C04B2235/322—Transition aluminas, e.g. delta or gamma aluminas
-
- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
- C04B2235/3248—Zirconates or hafnates, e.g. zircon
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, 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
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of non-burning brick Preparation equipment of Zirconium corundum and preparation method, including casing, the top inner wall of casing is connected with cloth hopper, cloth hopper is internally provided with support plate, the top both sides of cloth hopper are connected with symmetrically arranged feed pipe, the top inner wall of cloth hopper is connected with driving motor, the output terminal of driving motor is connected with shaft, the one end of shaft away from driving motor is vertically welded with connecting plate, the both sides side wall of connecting plate is vertically welded with the first agitating plate, the one end of first agitating plate away from connecting plate opens up fluted, the side side wall of groove is connected with telescopic rod, the other end of telescopic rod is vertically welded with scraper plate, the top of groove and bottom side wall are connected with slide, sliding block is slidably connected on slide.The present invention quickly can carry out cloth to cavity plate, can not only prevent cloth hopper both sides inner wall retained material, and cloth is uniform, raw material will not be made to be sprinkled upon outside cavity plate, improves the molding density of brick.
Description
Technical field
The present invention relates to fused alumina zirconia technical field, more particularly to a kind of non-burning brick Preparation equipment of Zirconium corundum and preparation side
Method.
Background technology
Fused alumina zirconia is to be formed using aluminium oxide, zirconium oxide as raw material through pyrolytic semlting in electric arc furnaces.
Non-burning brick production procedure is：Feeder → mixer → belt conveyor → brick machine → adobe → maintenance → into
Product → dispatch from the factory, brick machine before pressure brick shaping is carried out, belt conveyor by the feed bin of the feedstock transportation being stirred to brick machine,
Raw material enters cloth hopper out of feed bin, and raw material is covered with cavity plate finally by cloth hopper, and pressure brick shaping, tradition are then carried out to it
Cloth hopper when carrying out cloth, the easy retained material of cloth hopper both sides inner wall, and when carrying out cloth can be by some raw material cloth
In the outside of cavity plate, it is different to be easy to cause the molding density of brick, the total quality of brick is influenced, for this reason, we have proposed one kind
The non-burning brick Preparation equipment of Zirconium corundum.
The content of the invention
The purpose of the present invention is to solve shortcoming existing in the prior art, and a kind of Zirconium corundum proposed is non-burning brick
Preparation equipment and preparation method.
To achieve these goals, present invention employs following technical solution：
A kind of non-burning brick Preparation equipment of Zirconium corundum, including casing, the top inner wall of the casing are connected with cloth hopper, cloth hopper
Be internally provided with support plate, the top both sides of cloth hopper are connected with symmetrically arranged feed pipe, and the top inner wall of cloth hopper connects
Driving motor is connected to, drives the output terminal of motor to be connected with shaft, the one end of shaft away from driving motor is vertically welded with connection
Plate, the both sides side wall of connecting plate are vertically welded with the first agitating plate, the one end of the first agitating plate away from connecting plate open up it is fluted,
The side side wall of groove is connected with telescopic rod, and the other end of telescopic rod is vertically welded with scraper plate, the top of groove and bottom side wall
Slide is connected with, sliding block is slidably connected on slide, the side side wall of sliding block is provided with the fixed plate with scraper plate welding, and sliding block is remote
One end from fixed plate is provided with the first spring for being connected with recess sidewall, and the both sides side wall bottom of connecting plate is connected with second and stirs
Plate is mixed, the top of support plate vertically offers through hole, and the top both sides of support plate are connected with symmetrically arranged oblique gear
Block, the bottom of support plate is connected with fixing pipe, and the other end of fixing pipe is extended to outside cloth hopper, and the bottom of casing is provided with
Cavity plate, the side of cavity plate is provided with the cylinder being connected with chassis sidewall, and cavity plate is located at immediately below cloth hopper.
Preferably, the telescopic rod is made of first connecting rod, second connecting rod and cover cylinder, and cover cylinder bottom side wall is connected with second
Connecting rod, second connecting rod internal slide is connected with first connecting rod, and first connecting rod is located at outside cover cylinder, between the cover cylinder and scraper plate
It is connected with second spring.
Preferably, the vertical section of the through hole is infundibulate, and through hole is connected with fixing pipe.
Preferably, the vertical section of the fixing pipe is strip, and fixing pipe is located at the surface of cavity plate.
Preferably, the cross section of the scraper plate is triangle, and scraper plate is vertically arranged with the first agitating plate.
The preparation method of the above-mentioned non-burning brick Preparation equipment of Zirconium corundum, the mass percentage content of material component：With 55% ~
60% zircon and white fused alumina is aggregate, with 25% ~ 30% white fused alumina fine powder, 4% ~ 8% kyanite fine powder, 6% ~ 10% ρ-
Al2O3Fine powder, 2% ~ 6% monoclinic zirconia fine powder, 2 ~ 5% SiO2Micro mist is matrix, makees bonding agent with 4 ~ 8% phosphate；
By the mass percentage content of each component of the non-burning brick brick of fused alumina zirconia：First will aggregate add mixer in stirring 3 ~
5 minutes, add phosphate binders usage amount 50% stirring, then add fine powder stir evenly, be placed in polybag close it is old
Rotten one day, it is eventually adding remaining 50% phosphate binders and stirs evenly；Uniformly mixed pug is under 150MPa hydraulic presses
It is molded, more than 24h is conserved at 150 ~ 200 DEG C, you can it is non-burning brick that the higher Zirconium corundum of intensity is made.
The component and its percentage composition of zircon aggregate be：ZrO2For 55wt% ~ 67wt%, SiO2For 530wt% ~ 33wt%, zirconium
The particle diameter distribution of diamond stone aggregate is：Particle diameter be 3 ~ 1mm accounting 35wt% ~ 45wt%, particle diameter be 1 ~ 0mm accounting 5wt% ~
10wt%；The component and its percentage composition of corundum aggregate be：Al2O3It is for the particle diameter distribution more than 98wt%, corundum aggregate：Particle diameter
For accounting 10wt% ~ 15wt% of 1 ~ 0mm.
The component and its percentage composition of zircon aggregate be：The particle diameter of corundum fine powder be≤0.088mm；Kyanite fine powder
Particle diameter≤0.074mm；ρ-Al2O3Fine powder particle diameter≤0.054mm；Particle diameter≤0.088mm of monoclinic zirconia fine powder, SiO2Micro mist
Particle diameter≤0.088mm.
The addition of phosphate binders be quality of material 4 ~ 8%, phosphate binders by the way of being added portionwise,
Phosphate binders are 1.47 ~ 1.48g/cm of bulk density-3Phosphate dihydrogen aluminum solution.
The curing temperature for the adobe that brick machine extrudes is 150 ~ 200 DEG C, and curing time is more than 24h.
Beneficial effects of the present invention：
By the casing of setting, cloth hopper, feed pipe, driving motor, shaft, connecting plate, the first agitating plate, the second agitating plate,
Groove, telescopic rod, scraper plate, slide, sliding block, fixed plate, the first spring, support plate, through hole, fixing pipe, cylinder, cavity plate, can
Cloth quickly is carried out to cavity plate, can not only prevent cloth hopper both sides inner wall retained material, and cloth is uniform, will not make raw material
It is sprinkled upon outside cavity plate, improves the molding density of brick, and it is easy to operate, and production cost is low, there is very high economy, is adapted to big
The popularization of scale.
Zirconium corundum brick prepared by the present invention without high temperature sintering, need to only conserve at a certain temperature can obtain it is high
Cold crushing strength and relatively low apparent porosity, achieve the purpose that save the energy.
It is of the invention compared with existing Zirconium corundum refractory brick, has the following advantages：
(1) technical process of high temperature firing is needed for traditional zircon corundum brick using relatively low temperature maintenance technology generations, saves energy
Source and technique is simple, is adapted to batch chemical conversion production.
(2) performance of Zirconium corundum Baking-free fireproofing brick is close burns till fused alumina zirconia product JC/T 925-2003 standards, performance
It is excellent, part burnt product can be substituted.
(3) mullite can be produced in Zirconium corundum Baking-free fireproofing brick during use, forms corundum-zirconia-mullite
Three-phase is simultaneously deposited, with fabulous thermal shock resistance while product refractoriness height, high mechanical strength, erosion-resisting characteristics are good.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the non-burning brick Preparation equipment of Zirconium corundum proposed by the present invention；
Fig. 2 is a kind of part A structure diagram of the non-burning brick Preparation equipment of Zirconium corundum proposed by the present invention；
Fig. 3 is a kind of blade structure side view of the non-burning brick Preparation equipment of Zirconium corundum proposed by the present invention.
In figure：1 casing, 2 cloth hoppers, 3 feed pipes, 4 driving motors, 5 shafts, 6 connecting plates, 7 first agitating plates, 8 grooves,
9 telescopic rods, 10 scraper plates, 11 slides, 12 sliding blocks, 13 fixed plates, 14 first springs, 15 support plates, 16 oblique blocks, 17 through holes,
18 fixing pipes, 19 cavity plates, 20 cylinders, 21 second agitating plates.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-3, a kind of non-burning brick Preparation equipment of Zirconium corundum, including casing 1, the top inner wall of casing 1 are connected with
Cloth hopper 2, cloth hopper 2 are internally provided with support plate 15, and the top both sides of cloth hopper 2 are connected with symmetrically arranged feed pipe 3,
The top inner wall of cloth hopper 2 is connected with driving motor 4, and the output terminal of driving motor 4 is connected with shaft 5, and shaft 5 is away from driving electricity
One end of machine 4 is vertically welded with connecting plate 6, and the both sides side wall of connecting plate 6 is vertically welded with the first agitating plate 7, the first agitating plate 7
One end away from connecting plate 6 opens up fluted 8, and the side side wall of groove 8 is connected with telescopic rod 9, and the other end of telescopic rod 9 is vertical
Scraper plate 10 is welded with, the top of groove 8 and bottom side wall are connected with slide 11, sliding block 12, sliding block slidably connected on slide 11
12 side side wall is provided with the fixed plate 13 welded with scraper plate 10, and the one end of sliding block 12 away from fixed plate 13 is provided with and groove
First spring 14 of 8 side walls connection, the both sides side wall bottom of connecting plate 6 is connected with the second agitating plate 21, the top of support plate 15
Through hole 17 is vertically offered, the top both sides of support plate 15 are connected with symmetrically arranged oblique block 16, support plate 15
Bottom be connected with fixing pipe 18, and the other end of fixing pipe 18 is extended to outside cloth hopper 2, and the bottom of casing 1 is provided with recessed
Mould 19, the side of cavity plate 19 is provided with the cylinder 20 being connected with 1 side wall of casing, and cavity plate 19 is located at immediately below cloth hopper 2.
Telescopic rod 9 is made of first connecting rod, second connecting rod and cover cylinder, and cover cylinder bottom side wall is connected with second connecting rod, and second
Connecting rod internal slide is connected with first connecting rod, and first connecting rod is located at outside cover cylinder, and second is connected between cover cylinder and scraper plate 10
Spring, the vertical section of through hole 17 is infundibulate, and through hole 17 is connected with fixing pipe 18, and the vertical section of fixing pipe 18 is strip
Shape, and fixing pipe 18 is located at the surface of cavity plate 19, the cross section of scraper plate 10 are triangle, and 10 and first agitating plate 7 of scraper plate
It is vertically arranged.
Operation principle：Raw material enters in cloth hopper 2 from feed pipe 3, starts driving motor 4, and driving motor 4 drives shaft 5,
Shaft 5 drives connecting plate 6, and connecting plate 6 drives the first agitating plate 7 and the second agitating plate 21 to be rotated, and the first agitating plate 7 drives
Scraper plate 10 is purged the retained material of 2 both sides inner wall of cloth hopper, and for scraper plate 10 during rotation, the extruding of scraper plate 10 is flexible
Bar 9 and fixed plate 13, fixed plate 13 extrude sliding block 12, and sliding block 12 extrudes the first spring 14, in the first spring 14 and second spring
Elastic force effect under, scraper plate 10 is struck off 2 both sides inner wall of cloth hopper more clean, raw material slowly enters fixing pipe from through hole 17
In 18, enter from fixing pipe 18 in cavity plate 19, after the completion of cloth, start cylinder 20, cylinder 20 promotes cavity plate 19, promotes cavity plate 19
Designated position is moved to, carries out pressure brick shaping, the design simple and fast, easy to operate, production cost is low, there is very high economy
Property, it is adapted to large-scale promote.
The preparation method of the above-mentioned non-burning brick Preparation equipment of Zirconium corundum, the mass percentage content of material component：With 55% ~
60% zircon and white fused alumina is aggregate, with 25% ~ 30% white fused alumina fine powder, 4% ~ 8% kyanite fine powder, 6% ~ 10% ρ-
Al2O3Fine powder, 2% ~ 6% monoclinic zirconia fine powder, 2 ~ 5% SiO2Micro mist is matrix, makees bonding agent with 4 ~ 8% phosphate；
By the mass percentage content of each component of the non-burning brick brick of fused alumina zirconia：First will aggregate add mixer in stirring 3 ~
5 minutes, add phosphate binders usage amount 50% stirring, then add fine powder stir evenly, be placed in polybag close it is old
Rotten one day, it is eventually adding remaining 50% phosphate binders and stirs evenly；Uniformly mixed pug is under 150MPa hydraulic presses
It is molded, more than 24h is conserved at 150 ~ 200 DEG C, you can it is non-burning brick that the higher Zirconium corundum of intensity is made.
The component and its percentage composition of zircon aggregate be：ZrO2For 55wt% ~ 67wt%, SiO2For 530wt% ~ 33wt%, zirconium
The particle diameter distribution of diamond stone aggregate is：Particle diameter be 3 ~ 1mm accounting 35wt% ~ 45wt%, particle diameter be 1 ~ 0mm accounting 5wt% ~
10wt%；The component and its percentage composition of corundum aggregate be：Al2O3It is for the particle diameter distribution more than 98wt%, corundum aggregate：Particle diameter
For accounting 10wt% ~ 15wt% of 1 ~ 0mm.
The component and its percentage composition of zircon aggregate be：The particle diameter of corundum fine powder be≤0.088mm；Kyanite fine powder
Particle diameter≤0.074mm；ρ-Al2O3Fine powder particle diameter≤0.054mm；Particle diameter≤0.088mm of monoclinic zirconia fine powder, SiO2Micro mist
Particle diameter≤0.088mm.
The addition of phosphate binders be quality of material 4 ~ 8%, phosphate binders by the way of being added portionwise,
Phosphate binders are 1.47 ~ 1.48g/cm of bulk density-3Phosphate dihydrogen aluminum solution.
The curing temperature for the adobe that brick machine extrudes is 150 ~ 200 DEG C, and curing time is more than 24h.Adobe room temperature after maintenance
Compressive resistance is more than 60MPa and the porosity is less than 18%, and partial properties reach People's Republic of China's building material industry sintered AZS bricks
Standard (JC/T 925-2003).
Material component embodiment 1 in method：
Zirconium corundum Baking-free fireproofing brick, is made of the raw material of following parts by weight：30 parts of 3-1mm zircons aggregate, 3-1mm white fused aluminas
15 parts of aggregate, 20 parts of 1-0mm white fused aluminas aggregate, 15 parts of the white fused alumina fine powder of 180 mesh, 6 parts of the kyanite fine powder of 300 mesh, 300 mesh
ρ-Al2O32 parts of the monoclinic zirconia fine powder of 8 parts of fine powder, 180 mesh, the SiO of 180 mesh24 parts of micro mist, phosphate makees bonding agent 8
Part.
The present invention can be achieved through the following technical solutions：First aggregate is added in mixer and is stirred 5 minutes, adds 4
Part phosphate binders stirring, then adds fine powder and stirs evenly, be placed in polybag and close aging one day, be eventually adding residue
4 parts of phosphate binders stir evenly.Uniformly mixed pug is molded under 150MPa hydraulic presses, is conserved at 180 DEG C
36h, you can the higher Zirconium corundum Baking-free fireproofing brick of intensity is made.
Product Al in use2O3It is replaceable go out zircon in ZrO2, in-situ preparation mullite, forms corundum-oxygen
Change zirconium-mullite three-phase and deposit, product properties is excellent.The present invention utilizes ρ-Al2O3 fine powders, mainly considers ρ-Al2O3To be unique
Al with hydrating capacity2O3Variation, while the normal temperature strength of sample is ensured, ρ-Al2O3Under high temperature it is replaceable go out zircon
Middle ZrO2, form mullite.Mullite is formed under aquamaine mountain flour high temperature, which offsets the sintering of product with volumetric expansion
Shrink, solve the problems, such as that burned product high volume stability is not bad.
Zirconium corundum, mullite brick prepared by the present invention carries out Typical physical performance detection, bulk density 3.15gcm-3, apparent porosity 17.2%, cold crushing strength 65Mpa, strength at normal temperature 20Mpa, refractoriness under load 1630
DEG C, thermal shock resistance is >=30 times.
Material component embodiment 2 in method：
Zirconium corundum Baking-free fireproofing brick, is made of the raw material of following parts by weight：25 parts of 3-1mm zircons aggregate, 3-1mm white fused aluminas
25 parts of aggregate, 17 parts of 1-0mm white fused aluminas aggregate, 15 parts of the white fused alumina fine powder of 180 mesh, 6 parts of the kyanite fine powder of 300 mesh, 300 mesh
ρ-Al2O32 parts of the monoclinic zirconia fine powder of 8 parts of fine powder, 180 mesh, the SiO of 180 mesh22 parts of micro mist, phosphate makees bonding agent 6
Part.
The present invention can be achieved through the following technical solutions：First aggregate is added in mixer and is stirred 5 minutes, adds 3
Part phosphate binders stirring, then adds fine powder and stirs evenly, be placed in polybag and close aging one day, be eventually adding residue
3 parts of phosphate binders stir evenly.Uniformly mixed pug is molded under 150MPa hydraulic presses, is conserved at 200 DEG C
36h, you can the higher Zirconium corundum Baking-free fireproofing brick of intensity is made.
Zirconium corundum, mullite brick prepared by the present invention carries out Typical physical performance detection, bulk density 3.12gcm-3, apparent porosity 17.5%, cold crushing strength 63Mpa, strength at normal temperature 18Mpa, refractoriness under load 1630
DEG C, thermal shock resistance is >=30 times.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of non-burning brick Preparation equipment of Zirconium corundum, including casing（1）, it is characterised in that the casing（1）Top inner wall
It is connected with cloth hopper（2）, cloth hopper（2）Be internally provided with support plate（15）, cloth hopper（2）Top both sides be connected with symmetrically
The feed pipe of setting（3）, cloth hopper（2）Top inner wall be connected with driving motor（4）, drive motor（4）Output terminal connection
There is shaft（5）, shaft（5）Away from driving motor（4）One end be vertically welded with connecting plate（6）, connecting plate（6）Both sides side wall
It is vertically welded with the first agitating plate（7）, the first agitating plate（7）Away from connecting plate（6）One end open up it is fluted（8）, groove（8）
Side side wall be connected with telescopic rod（9）, telescopic rod（9）The other end be vertically welded with scraper plate（10）, groove（8）Top and
Bottom side wall is connected with slide（11）, slide（11）On slidably connect sliding block（12）, sliding block（12）Side side wall be provided with
With scraper plate（10）The fixed plate of welding（13）, sliding block（12）Away from fixed plate（13）One end be provided with and groove（8）Side wall connects
The first spring connect（14）, connecting plate（6）Both sides side wall bottom be connected with the second agitating plate（21）, support plate（15）Top
Vertically offer through hole（17）, support plate（15）Top both sides be connected with symmetrically arranged oblique block（16）, branch
Fagging（15）Bottom be connected with fixing pipe（18）, and fixing pipe（18）The other end extend to cloth hopper（2）Outside, casing
（1）Bottom be provided with cavity plate（19）, cavity plate（19）Side be provided with and casing（1）The cylinder of side wall connection（20）, and it is recessed
Mould（19）Positioned at cloth hopper（2）Underface.
A kind of 2. non-burning brick Preparation equipment of Zirconium corundum according to claim 1, it is characterised in that the telescopic rod（9）
It is made of first connecting rod, second connecting rod and cover cylinder, cover cylinder bottom side wall is connected with second connecting rod, the connection of second connecting rod internal slide
There is first connecting rod, and first connecting rod is located at outside cover cylinder, the cover cylinder and scraper plate（10）Between be connected with second spring.
A kind of 3. non-burning brick Preparation equipment of Zirconium corundum according to claim 1, it is characterised in that the through hole（17）'s
Vertical section is infundibulate, and through hole（17）With fixing pipe（18）Connection.
A kind of 4. non-burning brick Preparation equipment of Zirconium corundum according to claim 1, it is characterised in that the fixing pipe（18）
Vertical section be strip, and fixing pipe（18）Positioned at cavity plate（19）Surface.
A kind of 5. non-burning brick Preparation equipment of Zirconium corundum according to claim 1, it is characterised in that the scraper plate（10）'s
Cross section is triangle, and scraper plate（10）With the first agitating plate（7）It is vertically arranged.
6. the preparation method of the above-mentioned non-burning brick Preparation equipment of Zirconium corundum, the mass percentage content of material component：With 55% ~ 60%
Zircon and white fused alumina be aggregate, with 25% ~ 30% white fused alumina fine powder, 4% ~ 8% kyanite fine powder, 6% ~ 10% ρ-Al2O3
Fine powder, 2% ~ 6% monoclinic zirconia fine powder, 2 ~ 5% SiO2Micro mist is matrix, makees bonding agent with 4 ~ 8% phosphate；
By the mass percentage content of each component of the non-burning brick brick of fused alumina zirconia：First will aggregate add mixer in stirring 3 ~
5 minutes, add phosphate binders usage amount 50% stirring, then add fine powder stir evenly, be placed in polybag close it is old
Rotten one day, it is eventually adding remaining 50% phosphate binders and stirs evenly；Uniformly mixed pug is under 150MPa hydraulic presses
It is molded, more than 24h is conserved at 150 ~ 200 DEG C, you can it is non-burning brick that the higher Zirconium corundum of intensity is made.
7. the preparation method of the non-burning brick Preparation equipment of Zirconium corundum according to claim 6, it is characterised in that zircon bone
The component and its percentage composition of material be：ZrO2For 55wt% ~ 67wt%, SiO2For 530wt% ~ 33wt%, the particle diameter point of zircon aggregate
Cloth is：Particle diameter is accounting 35wt% ~ 45wt% of 3 ~ 1mm, and particle diameter is accounting 5wt% ~ 10wt% of 1 ~ 0mm；The component of corundum aggregate
And its percentage composition is：Al2O3It is for the particle diameter distribution more than 98wt%, corundum aggregate：The accounting 10wt% that particle diameter is 1 ~ 0mm ~
15wt%。
8. the preparation method of the non-burning brick Preparation equipment of Zirconium corundum according to claim 6, it is characterised in that zircon bone
The component and its percentage composition of material be：The particle diameter of corundum fine powder be≤0.088mm；Kyanite fine powder particle diameter≤0.074mm；ρ-
Al2O3Fine powder particle diameter≤0.054mm；Particle diameter≤0.088mm of monoclinic zirconia fine powder, SiO2Particle diameter≤0.088mm of micro mist.
9. the preparation method of the non-burning brick Preparation equipment of Zirconium corundum according to claim 6, it is characterised in that phosphate knot
The addition of mixture is the 4 ~ 8% of quality of material, and for phosphate binders by the way of being added portionwise, phosphate binders are body
1.47 ~ 1.48g/cm of product density-3Phosphate dihydrogen aluminum solution.
10. the preparation method of the non-burning brick Preparation equipment of Zirconium corundum according to claim 6, it is characterised in that brick machine pressure
The curing temperature of the adobe gone out is 150 ~ 200 DEG C, and curing time is more than 24h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444542.8A CN108017402B (en) | 2017-12-27 | 2017-12-27 | Zirconium corundum baking-free brick preparation equipment and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444542.8A CN108017402B (en) | 2017-12-27 | 2017-12-27 | Zirconium corundum baking-free brick preparation equipment and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108017402A true CN108017402A (en) | 2018-05-11 |
| CN108017402B CN108017402B (en) | 2020-05-22 |
Family
ID=62070956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711444542.8A Active CN108017402B (en) | 2017-12-27 | 2017-12-27 | Zirconium corundum baking-free brick preparation equipment and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108017402B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465123A (en) * | 2018-11-08 | 2019-03-15 | 浙江祥盛汽车科技有限公司 | A kind of automobile grills process units |
| CN112223523A (en) * | 2020-10-15 | 2021-01-15 | 田仁霞 | Zirconium corundum baking-free brick preparation equipment and preparation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203207A (en) * | 1997-06-25 | 1998-12-30 | 西安市华秦工业窑炉公司 | High-strength fireproof pour material |
| CN1693276A (en) * | 2005-05-13 | 2005-11-09 | 郑州豫兴氮氧结合耐火材料有限公司 | Zirconium corundum refractory ball |
| CN200963871Y (en) * | 2006-11-06 | 2007-10-24 | 刘向阳 | Multifunctional automatic hydraulic pressure baking-free brick forming machine |
| CN101343187A (en) * | 2008-08-20 | 2009-01-14 | 宜兴市张泽工业炉材料厂 | High-temperature flame-proof pouring material and preparation method |
| CN201989226U (en) * | 2010-12-27 | 2011-09-28 | 高唐县成宇机械制造有限公司 | Burn-free brick machine material-distributing mechanism |
| CN102757244A (en) * | 2012-06-25 | 2012-10-31 | 郑州安耐克实业有限公司 | Corundum-mullite zircon fire-proofing material and preparation method thereof |
| CN206287350U (en) * | 2016-12-27 | 2017-06-30 | 惠安华佑机械有限公司 | A kind of non-baking brick machine agitating device |
-
2017
- 2017-12-27 CN CN201711444542.8A patent/CN108017402B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203207A (en) * | 1997-06-25 | 1998-12-30 | 西安市华秦工业窑炉公司 | High-strength fireproof pour material |
| CN1693276A (en) * | 2005-05-13 | 2005-11-09 | 郑州豫兴氮氧结合耐火材料有限公司 | Zirconium corundum refractory ball |
| CN200963871Y (en) * | 2006-11-06 | 2007-10-24 | 刘向阳 | Multifunctional automatic hydraulic pressure baking-free brick forming machine |
| CN101343187A (en) * | 2008-08-20 | 2009-01-14 | 宜兴市张泽工业炉材料厂 | High-temperature flame-proof pouring material and preparation method |
| CN201989226U (en) * | 2010-12-27 | 2011-09-28 | 高唐县成宇机械制造有限公司 | Burn-free brick machine material-distributing mechanism |
| CN102757244A (en) * | 2012-06-25 | 2012-10-31 | 郑州安耐克实业有限公司 | Corundum-mullite zircon fire-proofing material and preparation method thereof |
| CN206287350U (en) * | 2016-12-27 | 2017-06-30 | 惠安华佑机械有限公司 | A kind of non-baking brick machine agitating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465123A (en) * | 2018-11-08 | 2019-03-15 | 浙江祥盛汽车科技有限公司 | A kind of automobile grills process units |
| CN112223523A (en) * | 2020-10-15 | 2021-01-15 | 田仁霞 | Zirconium corundum baking-free brick preparation equipment and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108017402B (en) | 2020-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102718512B (en) | Thermal-shock-resistant corundum-spinel refractory castable and preparation method thereof | |
| CN100453498C (en) | Ultra-thin ceramic outside-wall brick and production method thereof | |
| CN101328073B (en) | Self-reinforcing type ceramic fibre pouring material and preparation thereof | |
| CN109320222B (en) | Preparation method of cordierite-mullite ceramic sagger | |
| CN105645979A (en) | Steel ladle air brick and manufacturing method thereof | |
| CN103531315A (en) | Plus or minus 1120kV ultrahigh-voltage direct-current rod insulator preparation method | |
| CN102795838B (en) | Low-temperature fast-fired environmentally-friendly pottery clay plate prepared from iron ore tailings and preparation method thereof | |
| CN102079658A (en) | Method for manufacturing high-strength ultra wear-resistant precast brick | |
| CN103373856B (en) | High-stress-strain low-creepage high-thermal-shock-resistance refractory brick and manufacturing method thereof | |
| CN109851374A (en) | Explosion-proof, long-life bottom brick of molten tin bath and preparation method thereof | |
| CN107935608A (en) | The method that zircon brick is prepared using compact zircon aggregate | |
| CN108017402A (en) | A kind of non-burning brick Preparation equipment of Zirconium corundum and preparation method | |
| CN103664206B (en) | Wet process production technology for sintering cordierite | |
| US8470088B2 (en) | Cast bodies, castable compositions, and methods for their production | |
| CN101792321A (en) | Energy-saving type high-temperature high-thermal shock resistance kiln furnace structural material prepared by using waste fireproof kiln furniture and method for preparing same | |
| CN104478442A (en) | Plugging brick for top opening of water-coal slurry gasification furnace and preparation process thereof | |
| CN105585323A (en) | Method for preparing refractory brick in isostatic compaction mode | |
| CN110937906B (en) | Safe and energy-saving smelting furnace body and smelting device adopting same | |
| CN108249934B (en) | Light castable | |
| CN108285350A (en) | A kind of tri compound SiC based refractories and preparation method thereof | |
| CN102335950A (en) | Forming method of ceramic biscuit with impact resisting structure | |
| CN1235134A (en) | High temperature self-strengthening silicon carbide refractory casting material and production thereof | |
| CN1629101A (en) | Method for preparing porous ceramic by polycrystalline Al#-[2]O#-[3] fiber preforming method | |
| CN110028313B (en) | Corundum crucible and preparation method thereof | |
| JP6330877B2 (en) | Method for producing cordierite castable refractories |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a preparation equipment and a preparation method of zirconium corundum non fired brick Effective date of registration: 20210615 Granted publication date: 20200522 Pledgee: Kejing sub branch of Henan Jiyuan Rural Commercial Bank Co.,Ltd. Pledgor: JIYUAN CITY REFRACTORY FURNACE Co.,Ltd. Registration number: Y2021980004728 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221223 Granted publication date: 20200522 Pledgee: Kejing sub branch of Henan Jiyuan Rural Commercial Bank Co.,Ltd. Pledgor: JIYUAN CITY REFRACTORY FURNACE CO.,LTD. Registration number: Y2021980004728 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation equipment and method of zirconia-corundum non-fired brick Effective date of registration: 20230112 Granted publication date: 20200522 Pledgee: Kejing sub branch of Henan Jiyuan Rural Commercial Bank Co.,Ltd. Pledgor: JIYUAN CITY REFRACTORY FURNACE CO.,LTD. Registration number: Y2023980030906 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231215 Granted publication date: 20200522 Pledgee: Kejing sub branch of Henan Jiyuan Rural Commercial Bank Co.,Ltd. Pledgor: JIYUAN CITY REFRACTORY FURNACE CO.,LTD. Registration number: Y2023980030906 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation equipment and method for zirconia corundum non fired bricks Effective date of registration: 20231219 Granted publication date: 20200522 Pledgee: Kejing sub branch of Henan Jiyuan Rural Commercial Bank Co.,Ltd. Pledgor: JIYUAN CITY REFRACTORY FURNACE CO.,LTD. Registration number: Y2023980072449 |