CN103265300B - High-alumina ultrastrong double-purpose insulating brick and production method - Google Patents
High-alumina ultrastrong double-purpose insulating brick and production method Download PDFInfo
- Publication number
- CN103265300B CN103265300B CN201310154339.2A CN201310154339A CN103265300B CN 103265300 B CN103265300 B CN 103265300B CN 201310154339 A CN201310154339 A CN 201310154339A CN 103265300 B CN103265300 B CN 103265300B
- Authority
- CN
- China
- Prior art keywords
- powder
- double
- insulating brick
- superpower
- alumine
- 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.)
- Active
Links
- 239000011449 brick Substances 0.000 title claims abstract description 32
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000000843 powder Substances 0.000 claims abstract description 47
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 18
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000012423 maintenance Methods 0.000 claims abstract description 13
- 239000011324 bead Substances 0.000 claims abstract description 11
- 238000007667 floating Methods 0.000 claims abstract description 11
- 238000000748 compression moulding Methods 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract 2
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 claims description 25
- 230000009970 fire resistant effect Effects 0.000 claims description 25
- 235000013312 flour Nutrition 0.000 claims description 16
- 239000004575 stone Substances 0.000 claims description 16
- 238000003837 high-temperature calcination Methods 0.000 claims description 11
- 235000013339 cereals Nutrition 0.000 claims description 9
- 206010020843 Hyperthermia Diseases 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 8
- 230000036031 hyperthermia Effects 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical group [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 abstract description 7
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052849 andalusite Inorganic materials 0.000 abstract 2
- 229910001570 bauxite Inorganic materials 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- 229910052850 kyanite Inorganic materials 0.000 abstract 2
- 239000010443 kyanite Substances 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 2
- 230000003064 anti-oxidating effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a high-alumina ultrastrong double-purpose insulating brick. The insulating brick comprises, by mass, 30 to 65% of high-alumina bauxite, 5 to 10% of kyanite powder, 10 to 20% of andalusite powder, 2 to 5% of fireproof ceramsite, 10 to 20% of a floating bead, 5 to 10% of polyvinyl chloride and 3 to 5% of a high temperature binder. The insulating brick is produced through the following steps: grinding of raw materials; mixing of the raw materials; compression molding; maintenance; high temperature drying; high temperature calcining; and finished product inspection. According to the invention, through reasonable proportioning of high-alumina bauxite, kyanite powder, andalusite powder, fireproof ceramsite, the floating bead, polyvinyl chloride and the high temperature binder and implementation of compression molding, maintenance, high temperature drying, high temperature calcining and finished product inspection, the produced high-alumina ultrastrong double-purpose insulating brick has the advantages of high temperature resistance, antioxidation, wear resistance, high strength, high hardness and the like and has thermal insulation performance, improved practicability and a good usage effect.
Description
Technical field
The present invention relates to the superpower double-purpose insulating brick of a kind of high alumina and production method.
Background technology
High alumina brick is used in steel mill's blast furnace, continuous casting furnace at present in a large number, the high temperature kilns such as various process furnace, soaking pit, large-sized boiler liner, incinerator and various heat treatment furnaces, high alumina brick iron level is in the market high, impurity level is high, in use procedure, often there is the problems such as explosion, distortion, life-span be short, not only impact is produced, and also causes the waste of resource and manpower.
Summary of the invention
In use often there is the problems such as explosion, distortion, life-span be short in the existing high alumina brick of the technical problem to be solved in the present invention, not only impact is produced, and also causes the waste of resource and manpower, thereby the superpower double-purpose insulating brick of a kind of high alumina and production method are provided.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: the superpower double-purpose insulating brick of a kind of high alumina, the mass percent of described component is: alumine 30～65%, aquamaine stone flour 5～10%, andaluzite powder 10～20%, fire resistant ceramsites 2～5%, float pearl 10～20%, polyvinyl chloride 5～10%, high-temperature agglomerant 3～5%.
Preferably, the mass percent of described component is: alumine 65%, aquamaine stone flour 5%, andaluzite powder 10%, fire resistant ceramsites 2%, float pearl 10%, polyvinyl chloride 5%, high-temperature agglomerant 3%, also can be convenient to the mass percent of mixing for other, good reliability, result of use is good, steady quality, high insulating effect.
Preferably, the mass percent of described component is: alumine 47%, aquamaine stone flour 8%, andaluzite powder 14%, fire resistant ceramsites 4%, float pearl 15%, polyvinyl chloride 8%, high-temperature agglomerant 4%, also can be convenient to the mass percent of mixing for other, good reliability, result of use is good, steady quality, high insulating effect.
Preferably, the mass percent of described component is: alumine 30%, aquamaine stone flour 10%, andaluzite powder 20%, fire resistant ceramsites 5%, float pearl 20%, polyvinyl chloride 10%, high-temperature agglomerant 5%, also can be convenient to the mass percent of mixing for other, good reliability, result of use is good, steady quality, high insulating effect.
Preferably, described high-temperature agglomerant is aluminium hydroxide or silicon melten gel, and bond effect is good.
The production method that the superpower double-purpose insulating brick of a kind of high alumina as above adopts, comprises the following steps successively:
A). starting material grind: respectively by alumine, fire resistant ceramsites, float pearl and grind to form alumine powder, fire resistant ceramsites powder, floating bead powder grain, the granularity of described alumine powder is 50～100 orders, the granularity of described fire resistant ceramsites powder is 30～70 orders, and the granularity of described floating bead powder grain is 20～50 orders;
B). starting material mix: in the alumine powder after step a) is ground, fire resistant ceramsites powder, floating bead powder grain, add aquamaine stone flour, andaluzite powder, high-temperature agglomerant, polyvinyl chloride to mix;
C). compression moulding: adopt pressing machine to the mixed material compression moulding of step b), the press time is 5～10 seconds;
D). maintenance: the product after step c) compacting is placed and carried out at normal temperatures maintenance processing, and curing time is 1～3 day;
E). hyperthermia drying: the product after step d) maintenance is carried out to hyperthermia drying processing, 90～110 ° of bake out temperatures, drying time 46～50 hours;
F). high-temperature calcination: the product after step e) is dried carries out high-temperature calcination processing, and calcining temperature is 1350～1400 °, and the high-temperature calcination time is 15～20 hours;
G). inspection after construction: the product after step f) calcining is carried out to inspection after construction.
In sum, advantage of the present invention: by alumine, aquamaine stone flour, andaluzite powder, fire resistant ceramsites, float pearl, polyvinyl chloride, high-temperature agglomerant through rational proportioning, and the superpower double-purpose insulating brick of the high alumina of producing by compression moulding, maintenance, hyperthermia drying, high-temperature calcination, inspection after construction, not only make brick body have high temperature resistant, anti-oxidant, wear-resistant, intensity is high, hardness advantages of higher, also make brick body there is heat-insulating property, improved Practical Performance, result of use is good.
Embodiment
Embodiment mono-:
The superpower double-purpose insulating brick of a kind of high alumina, the mass percent of described component is: alumine 65%, aquamaine stone flour 5%, andaluzite powder 10%, fire resistant ceramsites 2%, float pearl 10%, polyvinyl chloride 5%, high-temperature agglomerant 3%, also can be convenient to the mass percent of mixing for other, good reliability, result of use is good, steady quality, high insulating effect.
Embodiment bis-:
The superpower double-purpose insulating brick of a kind of high alumina, the mass percent of described component is: alumine 47%, aquamaine stone flour 8%, andaluzite powder 14%, fire resistant ceramsites 4%, float pearl 15%, polyvinyl chloride 8%, high-temperature agglomerant 4%, also can be convenient to the mass percent of mixing for other, good reliability, result of use is good, steady quality, high insulating effect.
Embodiment tri-:
The superpower double-purpose insulating brick of a kind of high alumina, the mass percent of described component is: alumine 30%, aquamaine stone flour 10%, andaluzite powder 20%, fire resistant ceramsites 5%, float pearl 20%, polyvinyl chloride 10%, high-temperature agglomerant 5%, also can be convenient to the mass percent of mixing for other, good reliability, result of use is good, steady quality, high insulating effect.
Described high-temperature agglomerant is aluminium hydroxide or silicon melten gel, and bond effect is good.
The production method that the superpower double-purpose insulating brick of a kind of high alumina as above adopts, comprises the following steps successively:
A). starting material grind: respectively by alumine, fire resistant ceramsites, float pearl and grind to form alumine powder, fire resistant ceramsites powder, floating bead powder grain, the granularity of described alumine powder is 50～100 orders, the granularity of described fire resistant ceramsites powder is 30～70 orders, and the granularity of described floating bead powder grain is 20～50 orders;
B). starting material mix: in the alumine powder after step a) is ground, fire resistant ceramsites powder, floating bead powder grain, add aquamaine stone flour, andaluzite powder, high-temperature agglomerant, polyvinyl chloride to mix;
C). compression moulding: adopt pressing machine to the mixed material compression moulding of step b), the press time is 5～10 seconds;
D). maintenance: the product after step c) compacting is placed and carried out at normal temperatures maintenance processing, and curing time is 1～3 day;
E). hyperthermia drying: the product after step d) maintenance is carried out to hyperthermia drying processing, 90～110 ° of bake out temperatures, drying time 46～50 hours;
F). high-temperature calcination: the product after step e) is dried carries out high-temperature calcination processing, and calcining temperature is 1350～1400 °, and the high-temperature calcination time is 15～20 hours;
G). inspection after construction: the product after step f) calcining is carried out to inspection after construction.
By alumine, aquamaine stone flour, andaluzite powder, fire resistant ceramsites, float pearl, polyvinyl chloride, high-temperature agglomerant through rational proportioning, and the superpower double-purpose insulating brick of the high alumina of producing by compression moulding, maintenance, hyperthermia drying, high-temperature calcination, inspection after construction, not only make brick body have high temperature resistant, anti-oxidant, wear-resistant, intensity is high, hardness advantages of higher, also make brick body there is heat-insulating property, improved Practical Performance, result of use is good.
Claims (5)
1. the superpower double-purpose insulating brick of a high alumina production method, the superpower double-purpose insulating brick of described high alumina comprises that the component of following mass percent forms: alumine 30～65%, aquamaine stone flour 5～10%, andaluzite powder 10～20%, fire resistant ceramsites 2～5%, float pearl 10～20%, polyvinyl chloride 5～10%, high-temperature agglomerant 3～5%, it is characterized in that: comprise the following steps successively:
A). starting material grind: respectively by alumine, fire resistant ceramsites, float pearl and grind to form alumine powder, fire resistant ceramsites powder, floating bead powder grain, the granularity of described alumine powder is 50～100 orders, the granularity of described fire resistant ceramsites powder is 30～70 orders, and the granularity of described floating bead powder grain is 20～50 orders;
B). starting material mix: a) in the alumine powder after grinding, fire resistant ceramsites powder, floating bead powder grain, add aquamaine stone flour, andaluzite powder, high-temperature agglomerant, polyvinyl chloride to mix step;
C). compression moulding: adopt pressing machine to step b) mixed material compression moulding, the press time is 5～10 seconds;
D). maintenance: by step c) product after compacting places and to carry out at normal temperatures maintenance processing, and curing time is 1～3 day;
E). hyperthermia drying: by steps d) product after maintenance carries out hyperthermia drying processing, 90～110 ° of bake out temperatures, drying time 46～48 hours;
F). high-temperature calcination: by step e) product after drying carries out high-temperature calcination processing, and calcining temperature is 1350～1400 °, and the high-temperature calcination time is 15～20 hours;
G). inspection after construction: by step f) calcining after product carry out inspection after construction.
2. the superpower double-purpose insulating brick of a kind of high alumina according to claim 1 production method, is characterized in that: the superpower double-purpose insulating brick of described high alumina comprises that the component of following mass percent forms: alumine 65%, aquamaine stone flour 5%, andaluzite powder 10%, fire resistant ceramsites 2%, float pearl 10%, polyvinyl chloride 5%, high-temperature agglomerant 3%.
3. the superpower double-purpose insulating brick of a kind of high alumina according to claim 1 production method, is characterized in that: the superpower double-purpose insulating brick of described high alumina comprises that the component of following mass percent forms: alumine 47%, aquamaine stone flour 8%, andaluzite powder 14%, fire resistant ceramsites 4%, float pearl 15%, polyvinyl chloride 8%, high-temperature agglomerant 4%.
4. the superpower double-purpose insulating brick of a kind of high alumina according to claim 1 production method, is characterized in that: the superpower double-purpose insulating brick of described high alumina comprises that the component of following mass percent forms: alumine 30%, aquamaine stone flour 10%, andaluzite powder 20%, fire resistant ceramsites 5%, float pearl 20%, polyvinyl chloride 10%, high-temperature agglomerant 5%.
5. according to the superpower double-purpose insulating brick of a kind of high alumina production method described in claim 1 to 4 any one, it is characterized in that: described high-temperature agglomerant is aluminium hydroxide or silicon melten gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154339.2A CN103265300B (en) | 2013-04-28 | 2013-04-28 | High-alumina ultrastrong double-purpose insulating brick and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154339.2A CN103265300B (en) | 2013-04-28 | 2013-04-28 | High-alumina ultrastrong double-purpose insulating brick and production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103265300A CN103265300A (en) | 2013-08-28 |
| CN103265300B true CN103265300B (en) | 2014-10-22 |
Family
ID=49008979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310154339.2A Active CN103265300B (en) | 2013-04-28 | 2013-04-28 | High-alumina ultrastrong double-purpose insulating brick and production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103265300B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150917B (en) * | 2014-06-12 | 2016-02-17 | 峨眉山市峨冶耐火材料厂 | A kind of furnace roller brick and preparation method thereof |
| CN107098646A (en) * | 2017-05-12 | 2017-08-29 | 罗碧贤 | A kind of wall light stalk fibre fire prevention wall brick |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857449A (en) * | 2010-06-07 | 2010-10-13 | 长兴盛旺锅炉耐火保温防腐工程有限公司 | Siliceous mullite structure-insulating integrated composite brick and preparation method thereof |
| CN101863675A (en) * | 2010-06-07 | 2010-10-20 | 浙江大学 | High-alumina structure heat-insulation integrated composite brick and preparation method |
-
2013
- 2013-04-28 CN CN201310154339.2A patent/CN103265300B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857449A (en) * | 2010-06-07 | 2010-10-13 | 长兴盛旺锅炉耐火保温防腐工程有限公司 | Siliceous mullite structure-insulating integrated composite brick and preparation method thereof |
| CN101863675A (en) * | 2010-06-07 | 2010-10-20 | 浙江大学 | High-alumina structure heat-insulation integrated composite brick and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103265300A (en) | 2013-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101367668B (en) | Pouring material for manufacturing pellet ore rotary kiln and manufacturing method thereof | |
| JP2017511789A5 (en) | ||
| CN107117976A (en) | A kind of transition band of cement kiln Mg-Al spinel brick and preparation method thereof | |
| CN106187238A (en) | Bauxite composite refractory brick and its preparation method and application | |
| CN102976641A (en) | Micro-expansive moderate-heat Portland cement and production method thereof | |
| CN102850065A (en) | Magnesium-iron-aluminum composite spinel brick for cement kiln high-temperature zone and manufacturing method thereof | |
| CN106938922A (en) | Silicon steel jade abrasive brick | |
| CN107056259A (en) | High temperature corundum-mullite brick and its production method | |
| CN102936143B (en) | Composite thermal-shock-resisting high-aluminum refractory brick and preparation method thereof | |
| CN103396082A (en) | Baking-free brick using steel slag as main raw material | |
| CN102850066A (en) | Anti-skinning and wear-resistant brick used for cement rotary kiln and preparation method for brick | |
| CN108610073A (en) | A kind of fire resisting cracking resistance composite brick and preparation method thereof | |
| CN106187241A (en) | Low creep high RUL refractory brick and its preparation method and application | |
| CN103265300B (en) | High-alumina ultrastrong double-purpose insulating brick and production method | |
| CN104876605A (en) | Refractory brick for boiler | |
| CN104944976A (en) | Preparation method of silica insulating refractory bricks | |
| CN101811882A (en) | Composite bauxite-silicon nitride wear-resistant brick for large cement kiln and production method thereof | |
| CN110577397A (en) | high-performance clay brick produced by waste clay brick and preparation method thereof | |
| CN107021764B (en) | High-temperature sillimanite brick and production method thereof | |
| CN101712553A (en) | Production method of high refractorinees-under-load softening anti-strip high-alumina brick | |
| CN103288462B (en) | Silica insulation brick and production method | |
| CN102807375A (en) | Production method for novel graphite refractory brick | |
| CN104628400A (en) | High-temperature corrosive-proof plastic material and preparation method thereof | |
| CN107010926A (en) | A kind of preparation method of metallurgical casting water nozzle brick | |
| CN104609870A (en) | Preparation method of porous brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-alumina ultrastrong double-purpose insulating brick and production method Effective date of registration: 20150121 Granted publication date: 20141022 Pledgee: Zhejiang Changxin United Village bank Limited by Share Ltd. peace branch Pledgor: ZHEJIANG CHANGXING RIVER BRIDGE REFRACTORIES Co.,Ltd. Registration number: 2015980000006 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20171211 Granted publication date: 20141022 Pledgee: Zhejiang Changxin United Village bank Limited by Share Ltd. peace branch Pledgor: ZHEJIANG CHANGXING RIVER BRIDGE REFRACTORIES Co.,Ltd. Registration number: 2015980000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-alumina ultrastrong double-purpose insulating brick and production method Effective date of registration: 20171211 Granted publication date: 20141022 Pledgee: Zhejiang Changxin United Village bank Limited by Share Ltd. peace branch Pledgor: ZHEJIANG CHANGXING RIVER BRIDGE REFRACTORIES Co.,Ltd. Registration number: 2017990001139 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| 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: 20201217 Granted publication date: 20141022 Pledgee: Zhejiang Changxin United Village bank Limited by Share Ltd. peace branch Pledgor: ZHEJIANG CHANGXING RIVER BRIDGE REFRACTORIES Co.,Ltd. Registration number: 2017990001139 |
|
| 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 kind of high aluminum super strong dual purpose insulating brick and its production method Effective date of registration: 20201221 Granted publication date: 20141022 Pledgee: Zhejiang Changxin United Village bank Limited by Share Ltd. peace branch Pledgor: ZHEJIANG CHANGXING RIVER BRIDGE REFRACTORIES Co.,Ltd. Registration number: Y2020330001238 |
|
| 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: 20141022 Pledgee: Zhejiang Changxin United Village bank Limited by Share Ltd. peace branch Pledgor: ZHEJIANG CHANGXING RIVER BRIDGE REFRACTORIES Co.,Ltd. Registration number: Y2020330001238 |
|
| 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 high-alumina super-strength dual-use insulating brick and its production method Effective date of registration: 20221229 Granted publication date: 20141022 Pledgee: Zhejiang Changxin United Village bank Limited by Share Ltd. peace branch Pledgor: ZHEJIANG CHANGXING RIVER BRIDGE REFRACTORIES Co.,Ltd. Registration number: Y2022980029560 |