CN104591750A - Segmented water coal slurry pressurized gasifier fireside surface brick and preparation method thereof - Google Patents

Segmented water coal slurry pressurized gasifier fireside surface brick and preparation method thereof Download PDF

Info

Publication number
CN104591750A
CN104591750A CN201410747195.6A CN201410747195A CN104591750A CN 104591750 A CN104591750 A CN 104591750A CN 201410747195 A CN201410747195 A CN 201410747195A CN 104591750 A CN104591750 A CN 104591750A
Authority
CN
China
Prior art keywords
side towards
fire
fire brick
slurry pressurized
pressurized gasifier
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
Application number
CN201410747195.6A
Other languages
Chinese (zh)
Other versions
CN104591750B (en
Inventor
高耸
李有奇
杨付乾
阎彬彬
杨参
张涛
李荣涛
张宇翠
寇志奇
赵继增
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luoyang Lier Functional Materials Co.,Ltd.
Original Assignee
Luoyang Lier Refractory Materials Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Luoyang Lier Refractory Materials Co Ltd filed Critical Luoyang Lier Refractory Materials Co Ltd
Priority to CN201410747195.6A priority Critical patent/CN104591750B/en
Publication of CN104591750A publication Critical patent/CN104591750A/en
Application granted granted Critical
Publication of CN104591750B publication Critical patent/CN104591750B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

Relating to a gasifier fireside surface brick, the invention provides a segmented water coal slurry pressurized gasifier fireside surface brick and a preparation method thereof. The segmented water coal slurry pressurized gasifier fireside surface brick includes a first segment of fireside surface brick close to the fireside surface and a second segment of fireside surface brick close to the fireside surface. The first segment of fireside surface brick close to the fireside surface comprises the following components by mass: 85-90% of fused chromium oxide materials with a particle size of 6-0mm and less than 240 meshes respectively, 1-10% of chromium oxide green, 1-7% of alpha-Al2O3 powder, 1-3% of zirconia, and 1-3% of an additional binder. The second segment of fireside surface brick close to the fireside surface comprises the following components by mass: 75-85% of fused chromium oxide materials with a particle size of 5-0mm and less than 240 meshes respectively, 4-8% of chromium oxide green, 4-7% of alpha-Al2O3 micropowder, 6-10% of zirconia, and 1-3% of an additional binder. According to the segmented water coal slurry pressurized gasifier fireside surface brick provided by the invention, the optimal performance of each segment can be fully utilized at different life periods, thus effectively extending the service life of the fireside surface brick.

Description

A kind of sectional type coal water slurry pressurized gasifier side towards the fire brick and preparation method thereof
[technical field]the present invention relates to a kind of vapourizing furnace side towards the fire brick, be specifically related to a kind of sectional type coal water slurry pressurized gasifier side towards the fire brick and preparation method thereof.
[background technology]
Known, the coal water slurry pressurized gasifier side towards the fire brick of current use is chromium aluminium zirconia block, and different according to installation position, its work-ing life is not identical yet, for Texaco's formula coal water slurry pressurized gasifier cylindrical shell side towards the fire brick, its work-ing life is generally at 10000-15000 hour; At present, the chromium aluminium zirconia block Wear mechanism of academia's accreditation is chemical erosion, mechanical erosion and thermal stresses, the erosion of slag and infiltration, and cause the structure of brick body progressively to suffer destruction, strength reduction with thermal stresses or other mechanical stress, and finally cause the bulk of side towards the fire brick to peel off, damage speed is accelerated greatly, seriously limits the life-span of coal water slurry pressurized gasifier side towards the fire brick; The immediate cause of block peeling phenomenon is caused to be that brick laying structure suffers destruction, strength reduction, its basic reason is because repeatedly the replacing of volumetric expansion and volumetric shrinkage, inner micro-flaw or Defect expanding in use occur chromium aluminium zirconia block, and the thermal stresses that the slag of infiltration in brick body and brick volume coefficient difference cause makes internal fissure or defect spread.
This block peeling phenomenon of coal water slurry pressurized gasifier side towards the fire brick the side towards the fire brick life-span first three/mono-substantially to there will not be, comparatively serious rear 1/3rd of life-span, specifically, in the early stage in side towards the fire brick life-span, the ability of its anti-coal slag corrosion is even more important, in the later stage in side towards the fire brick life-span, the stable ability of its holding structure is even more important, generally, increase the toughness of material, as added monoclinic zirconia, effectively can stop the expansion of material internal micro-flaw or defect and spread, keep the stable of material structure, as the side towards the fire brick of coal water slurry pressurized gasifier, chromic oxide composition in chromium aluminium zirconia block is the key improving the anti-cinder erosion performance of material monolithic, as overemphasized the toughness of material, then can weaken the anti-cinder erosion performance of material, reduce the work-ing life of side towards the fire brick, therefore, chemical composition balanced in chromium aluminium zirconia block and the life-span of block peeling phenomenon to coal water slurry pressurized gasifier side towards the fire brick in using define powerful restriction, therefore, propose a kind ofly to increase the service life, basic demand that more low cost and the coal water slurry pressurized gasifier side towards the fire brick of environmental protection become those skilled in the art.
[summary of the invention]
In order to overcome the deficiency in background technology, the invention discloses sectional type coal water slurry pressurized gasifier side towards the fire brick and preparation method thereof, by the recipe ratio of different performance is incorporated in same brick, and make sectional type coal water slurry pressurized gasifier side towards the fire brick make full use of the Optimal performance of this section in different lifetime, effectively extend the work-ing life of side towards the fire brick.
In order to realize the object of foregoing invention, the present invention adopts following technical scheme:
A kind of sectional type coal water slurry pressurized gasifier side towards the fire brick, comprise the first paragraph side towards the fire brick near side towards the fire and the second segment side towards the fire brick near side towards the fire, the composition of the first paragraph side towards the fire brick of described close side towards the fire comprises according to mass percent:
Granularity is respectively 6 ~ 0mm and is less than 240 object electric smelting chromium oxide materials: 85 ~ 90%;
Chromoxide green: 1 ~ 10%;
α-Al 2o 3micro mist: 1 ~ 7%;
Zirconium white: 1 ~ 3%;
The amount of additional bonding agent: 1 ~ 3%;
The composition of the described second segment side towards the fire brick near side towards the fire comprises according to mass percent:
Granularity is respectively 5 ~ 0mm and is less than 240 object electric smelting chromium oxide materials: 75 ~ 85%;
Chromoxide green: 4 ~ 8%;
α-Al 2o 3micro mist: 4 ~ 7%;
Zirconium white: 6 ~ 10%
The amount of additional bonding agent: 1 ~ 3%;
A preparation method for sectional type coal water slurry pressurized gasifier side towards the fire brick, concrete operation step is as follows:
1) prepare burden: according to recipe requirements, each raw material is weighed up by proportioning;
2) pre-mixing: be less than 240 object electric smelting chromic oxide, chromoxide green, α-Al by load weighted 2o 3micro mist and zirconium white add in vibrations ball mill machine and carry out pre-mixing, and mixing time is 30 ~ 60min;
3) batch mixing: first the electric smelting chromic oxide of 5 ~ 0mm is carried out premix, add bonding agent after mixing, adds the premix that previous step obtains, continues batch mixing even to raw material after batch mixing is even;
4) reinforced: to connect previous step, weighed according to fixing specification of quality by each section of raw material after batch mixing, put in loading hopper, the edge of described loading hopper is waviness, and time reinforced, loading hopper adds fast facing to mould, and then each section of raw material is taken off smooth respectively;
5) shaping: to use the material forming that previous step obtains by friction press or hydropress, time shaping, pressure process needs slowly;
6) dry: connect previous step, the raw material base after shaping is in drying kiln for drying;
7) fire: connect previous step, dried raw material base is fired under the reducing atmosphere of high temperature kiln.
Described sectional type coal water slurry pressurized gasifier side towards the fire brick, comprise the first paragraph side towards the fire brick near side towards the fire and the second segment side towards the fire brick near side towards the fire, also comprise the 3rd section of side towards the fire brick near side towards the fire, the composition of described the 3rd section of side towards the fire brick near side towards the fire comprises according to mass percent:
Granularity is respectively 5 ~ 0mm and is less than 240 object electric smelting chromium corundum materials: 75 ~ 85%;
Chromoxide green: 4 ~ 10%;
α-Al 2o 3micro mist: 4 ~ 10%;
Zirconium white: 3 ~ 8%;
The amount of additional bonding agent: 1 ~ 3%;
Described sectional type coal water slurry pressurized gasifier side towards the fire brick, described bonding agent is one or several the combination in dextrin, phosphoric acid, phosphoric acid salt, alumina sol, chromic oxide colloidal sol, spent pulping liquor in organic or inorganic bonding agent.
The preparation method of described sectional type coal water slurry pressurized gasifier side towards the fire brick, the temperature of described dry kiln is 80 ~ 150 DEG C, and time of drying is 48 ~ 72 hours.
The preparation method of described sectional type coal water slurry pressurized gasifier side towards the fire brick, the temperature of described high temperature kiln is 1500 ~ 1550 DEG C, fires 8 ~ 10 hours.
Owing to adopting technique scheme, the present invention has following beneficial effect:
1, the preparation method of sectional type coal water slurry pressurized gasifier side towards the fire brick of the present invention, firing in step, effectively sintering cannot be formed between aluminum oxide and chromic oxide when temperature is lower, reduce the performance of material monolithic, and temperature too high time, due to concentrating of segmentation internal stress, the performance of material monolithic also can be reduced; By dried raw material base is fired 8 ~ 10 hours in the high temperature kiln of 1500 ~ 1500 DEG C, effectively ensure that the intensity of side towards the fire brick, effectively increase the service life.
2, the preparation method of sectional type coal water slurry pressurized gasifier side towards the fire brick of the present invention, by the recipe ratio of different performance is incorporated in same brick, and make sectional type coal water slurry pressurized gasifier side towards the fire brick make full use of the Optimal performance of this section in different lifetime, effectively extend the work-ing life of side towards the fire brick.
3, the preparation method of sectional type coal water slurry pressurized gasifier side towards the fire brick of the present invention, firing temperature is lower, 1,000,000 cubic natural gas can be saved every year, and make full use of the Optimal performance of different lifetime side towards the fire brick, reduce waist performance, extend the work-ing life of side towards the fire brick, significantly reduce the production containing chromium material and consumption.
[embodiment]
Can explain the present invention in more detail by the following examples, disclose object of the present invention and be intended to protect all changes and improvements in the scope of the invention, the present invention is not limited to the following examples:
Sectional type coal water slurry pressurized gasifier side towards the fire brick of the present invention, comprise the first paragraph side towards the fire brick near side towards the fire and the second segment side towards the fire brick near side towards the fire, the composition of the first paragraph side towards the fire brick of described close side towards the fire comprises according to mass percent:
Granularity is respectively 6 ~ 0mm order and is less than 240 object electric smelting chromium oxide materials: 85 ~ 90%;
Chromoxide green: 1 ~ 10%;
α-Al 2o 3micro mist: 1 ~ 7%;
Zirconium white: 1 ~ 3%;
The amount of additional bonding agent: 1 ~ 3%;
The composition of the described second segment side towards the fire brick near side towards the fire comprises according to mass percent:
Granularity is respectively 5 ~ 0mm and is less than 240 object electric smelting chromium oxide materials: 75 ~ 85%;
Chromoxide green: 4 ~ 8%;
α-Al 2o 3micro mist: 4 ~ 7%;
Zirconium white: 6 ~ 10%
The amount of additional bonding agent: 1 ~ 3%;
A preparation method for sectional type coal water slurry pressurized gasifier side towards the fire brick, concrete operation step is as follows:
1) prepare burden: according to recipe requirements, each raw material is weighed up by proportioning;
2) pre-mixing: be less than 240 object electric smelting chromic oxide, chromoxide green, α-Al by load weighted 2o 3micro mist and zirconium white add in vibrations ball mill machine and carry out pre-mixing, and mixing time is 30 ~ 60min;
3) batch mixing: first the electric smelting chromic oxide of 5 ~ 0mm is carried out premix, add bonding agent after mixing, adds the premix that previous step obtains, continues batch mixing even to raw material after batch mixing is even;
4) reinforced: to connect previous step, weighed according to fixing specification of quality by each section of raw material after batch mixing, put in loading hopper, the edge of described loading hopper is waviness, and time reinforced, loading hopper adds fast facing to mould, and then each section of raw material is taken off smooth respectively;
5) shaping: to use the material forming that previous step obtains by friction press or hydropress, time shaping, pressure process needs slowly;
6) dry: connect previous step, the raw material base after shaping is in drying kiln for drying;
7) fire: connect previous step, dried raw material base is fired under the reducing atmosphere of high temperature kiln.
Described sectional type coal water slurry pressurized gasifier side towards the fire brick, comprise the first paragraph side towards the fire brick near side towards the fire and the second segment side towards the fire brick near side towards the fire, also comprise the 3rd section of side towards the fire brick near side towards the fire, the composition of described the 3rd section of side towards the fire brick near side towards the fire comprises according to mass percent:
Granularity is respectively 5 ~ 0mm and is less than 240 object electric smelting chromium corundum materials: 75 ~ 85%;
Chromoxide green: 4 ~ 10%;
α-Al 2o 3micro mist: 4 ~ 10%;
Zirconium white: 3 ~ 8%;
The amount of additional bonding agent: 1 ~ 3%;
Described sectional type coal water slurry pressurized gasifier side towards the fire brick, described bonding agent is one or several the combination in dextrin, phosphoric acid, phosphoric acid salt, alumina sol, chromic oxide colloidal sol, spent pulping liquor in organic or inorganic bonding agent.
The preparation method of described sectional type coal water slurry pressurized gasifier side towards the fire brick, the temperature of described dry kiln is 80 ~ 150 DEG C, and time of drying is 48 ~ 72 hours.
The preparation method of described sectional type coal water slurry pressurized gasifier side towards the fire brick, the temperature of described high temperature kiln is 1500 ~ 1550 DEG C, fires 8 ~ 10 hours.
embodiment 1
Sectional type coal water slurry pressurized gasifier side towards the fire brick of the present invention each composition of filling a prescription consists of:
First paragraph near side towards the fire adopts following materials in percentage by mass to be prepared from:
65 parts, the electric smelting chromic oxide of 6 ~ 0mm;
Be less than 19 parts, 240 object electric smelting chromic oxide;
Chromoxide green 8 parts;
α-Al 2o 3micro mist 5 parts;
Zirconium white 1 part;
Additional bonding agent 2 parts;
Second segment near side towards the fire adopts following materials in percentage by mass to be prepared from:
65 parts, 5 ~ 0mm electric smelting chromic oxide;
240 18 parts, object electric smelting chromic oxide;
Chromoxide green 4 parts;
α-Al 2o 3micro mist 3 parts;
Zirconium white 8 parts;
Additional bonding agent 2 parts;
Preparation technology's flow process of sectional type coal water slurry pressurized gasifier side towards the fire brick is:
1, prepare burden: according to recipe requirements, each raw material is weighed up;
2, pre-mixing: be less than 240 object electric smelting chromic oxide, chromoxide green, α-Al by load weighted 2o 3micro mist and zirconium white add in vibrations ball mill machine and carry out pre-mixing, and mixing time is 30 ~ 60min;
3, batch mixing: first the electric smelting chromic oxide of 5 ~ 0mm is carried out premix, add bonding agent after mixing, adds the premix that previous step obtains, continues batch mixing even to raw material after batch mixing is even; ;
4, reinforced: the ratio that two sections of raw materials account for 50% massfraction according to first paragraph, second segment accounts for 50% massfraction after mixing is put in loading hopper, the edge of loading hopper is waviness, time reinforced, loading hopper adds fast facing to mould, and then each section of raw material is taken off smooth respectively;
5, shaping: to use on friction press or hydropress shaping, time shaping, pressure process needs slowly;
6, dry: the green compact after shaping are the drying kiln for drying 48 ~ 72 hours of 80 ~ 150 DEG C;
7, fire: dried green compact burn till 10 hours under reducing atmosphere in high temperature kiln under the condition of 1550 DEG C.
embodiment 2
Sectional type coal water slurry pressurized gasifier side towards the fire brick of the present invention each composition of filling a prescription consists of:
First paragraph near side towards the fire adopts following materials in percentage by mass to be prepared from:
65 parts, the electric smelting chromic oxide of 6 ~ 0mm;
Be less than 17 parts, 240 object electric smelting chromic oxide;
Chromoxide green 10 parts;
α-Al 2o 3micro mist 5 parts;
Zirconium white 1 part;
Additional bonding agent 2 parts;
Second segment near side towards the fire adopts following materials in percentage by mass to be prepared from:
65 parts, 5 ~ 0mm electric smelting chromic oxide;
240 18 parts, object electric smelting chromic oxide;
Chromoxide green 4 parts;
α-Al 2o 3micro mist 5 parts;
Zirconium white 6 parts;
Additional bonding agent 2 parts;
The 3rd section near side towards the fire adopts following materials in percentage by mass to be prepared from:
The electric smelting chromium corundum of 5 ~ 0mm 65 parts;
The electric smelting chromium corundum of 240mm 18 parts;
Chromoxide green 8 parts;
α-Al 2o 3micro mist 6 parts;
Zirconium white 1 part;
Additional bonding agent 2 parts;
Preparation technology's flow process of sectional type coal water slurry pressurized gasifier side towards the fire brick is:
1, prepare burden: according to recipe requirements, each raw material is weighed up;
2, pre-mixing: be less than 240 object electric smelting chromic oxide, chromoxide green, α-Al by load weighted 2o 3micro mist and zirconium white add in vibrations ball mill machine and carry out pre-mixing, and mixing time is 30 ~ 60min;
3, batch mixing: first the electric smelting chromic oxide of 5 ~ 0mm is carried out premix, add bonding agent after mixing, adds the premix that previous step obtains, continues batch mixing even to raw material after batch mixing is even;
4, reinforced: the ratio that two sections of raw materials account for 50% massfraction according to first paragraph, second segment accounts for 30% massfraction, second segment accounts for 20% massfraction after mixing is put in loading hopper, the edge of loading hopper is waviness, time reinforced, loading hopper adds fast facing to mould, and then each section of raw material is taken off smooth respectively;
5, shaping: to use on friction press or hydropress shaping, time shaping, pressure process needs slowly;
6, dry: the green compact after shaping are the drying kiln for drying 48 ~ 72 hours of 80 ~ 150 DEG C;
7, fire: dried green compact burn till 10 hours under reducing atmosphere in high temperature kiln under the condition of 1500 DEG C.
embodiment 3
Sectional type coal water slurry pressurized gasifier side towards the fire brick of the present invention each composition of filling a prescription consists of:
First paragraph near side towards the fire adopts following materials in percentage by mass to be prepared from:
65 parts, the electric smelting chromic oxide of 6 ~ 0mm;
Be less than 18 parts, 240 object electric smelting chromic oxide;
Chromoxide green 9 parts;
α-Al 2o 3micro mist 5 parts;
Zirconium white 1 part;
Additional bonding agent 2 parts;
Second segment near side towards the fire adopts following materials in percentage by mass to be prepared from:
The electric smelting chromium corundum of 5 ~ 0mm 65 parts;
240 object electric smelting chromium corundums 18 parts;
Chromoxide green 7 parts;
α-Al 2o 3micro mist 5 parts;
Zirconium white 3 parts;
Additional bonding agent 2 parts;
Preparation technology's flow process of sectional type coal water slurry pressurized gasifier side towards the fire brick is:
1, prepare burden: according to recipe requirements, each raw material is weighed up;
2, pre-mixing: be less than 240 object electric smelting chromic oxide, chromoxide green, α-Al by load weighted 2o 3micro mist and zirconium white add in vibrations ball mill machine and carry out pre-mixing, and mixing time is 30 ~ 60min;
3, batch mixing: first the electric smelting chromic oxide of 5 ~ 0mm is carried out premix, add bonding agent after mixing, adds the premix that previous step obtains, continues batch mixing even to raw material after batch mixing is even;
4, reinforced: the ratio that two sections of raw materials account for 80% massfraction according to first paragraph, second segment accounts for 20% massfraction after mixing is put in loading hopper, the edge of loading hopper is waviness, time reinforced, loading hopper adds fast facing to mould, and then each section of raw material is taken off smooth respectively;
5, shaping: to use on friction press or hydropress shaping, time shaping, pressure process needs slowly;
6, dry: the green compact after shaping are the drying kiln for drying 48 ~ 72 hours of 80 ~ 150 DEG C;
7, fire: dried green compact burn till 10 hours under reducing atmosphere in high temperature kiln under the condition of 1550 DEG C.

Claims (6)

1. a sectional type coal water slurry pressurized gasifier side towards the fire brick, comprise the first paragraph side towards the fire brick near side towards the fire and the second segment side towards the fire brick near side towards the fire, it is characterized in that: the composition of the first paragraph side towards the fire brick of described close side towards the fire comprises according to mass percent:
Granularity is respectively 6 ~ 0mm and is less than 240 object electric smelting chromium oxide materials: 85 ~ 90%;
Chromoxide green: 1 ~ 10%;
α-Al 2o 3micro mist: 1 ~ 7%;
Zirconium white: 1 ~ 3%;
The amount of additional bonding agent: 1 ~ 3%;
The composition of the described second segment side towards the fire brick near side towards the fire comprises according to mass percent:
Granularity is respectively 5 ~ 0mm and is less than 240 object electric smelting chromium oxide materials: 75 ~ 85%;
Chromoxide green: 4 ~ 8%;
α-Al 2o 3micro mist: 4 ~ 7%;
Zirconium white: 6 ~ 10%
The amount of additional bonding agent: 1 ~ 3%.
2. a preparation method for sectional type coal water slurry pressurized gasifier side towards the fire brick, is characterized in that: concrete operation step is as follows:
1) prepare burden: according to recipe requirements, each raw material is weighed up by proportioning;
2) pre-mixing: be less than 240 object electric smelting chromic oxide, chromoxide green, α-Al by load weighted 2o 3micro mist and zirconium white add in vibrations ball mill machine and carry out pre-mixing, and mixing time is 30 ~ 60min;
3) batch mixing: first the electric smelting chromic oxide of 5 ~ 0mm is carried out premix, add bonding agent after mixing, adds the premix that previous step obtains, continues batch mixing even to raw material after batch mixing is even;
4) reinforced: to connect previous step, weighed according to fixing specification of quality by each section of raw material after batch mixing, put in loading hopper, the edge of described loading hopper is waviness, and time reinforced, loading hopper adds fast facing to mould, and then each section of raw material is taken off smooth respectively;
5) shaping: to use the material forming that previous step obtains by friction press or hydropress, time shaping, pressure process needs slowly;
6) dry: connect previous step, the raw material base after shaping is in drying kiln for drying;
7) fire: connect previous step, dried raw material base is fired under the reducing atmosphere of high temperature kiln.
3. described sectional type coal water slurry pressurized gasifier side towards the fire brick according to claim 1, it is characterized in that: comprise the first paragraph side towards the fire brick near side towards the fire and the second segment side towards the fire brick near side towards the fire, also comprise the 3rd section of side towards the fire brick near side towards the fire, the composition of described the 3rd section of side towards the fire brick near side towards the fire comprises according to mass percent:
Granularity is respectively 5 ~ 0mm and is less than 240 object electric smelting chromium corundum materials: 75 ~ 85%;
Chromoxide green: 4 ~ 10%;
α-Al 2o 3micro mist: 4 ~ 10%;
Zirconium white: 3 ~ 8%;
The amount of additional bonding agent: 1 ~ 3%.
4. sectional type coal water slurry pressurized gasifier side towards the fire brick according to claim 1, is characterized in that: described bonding agent is one or several the combination in dextrin, phosphoric acid, phosphoric acid salt, alumina sol, chromic oxide colloidal sol, spent pulping liquor in organic or inorganic bonding agent.
5. the preparation method of sectional type coal water slurry pressurized gasifier side towards the fire brick according to claim 2, is characterized in that: the temperature of described dry kiln is 80 ~ 150 DEG C, and time of drying is 48 ~ 72 hours.
6. the preparation method of sectional type coal water slurry pressurized gasifier side towards the fire brick according to claim 2, is characterized in that: the temperature of described high temperature kiln is 1500 ~ 1550 DEG C, fires 8 ~ 10 hours.
CN201410747195.6A 2014-12-10 2014-12-10 Segmented water coal slurry pressurized gasifier fireside surface brick and preparation method thereof Active CN104591750B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410747195.6A CN104591750B (en) 2014-12-10 2014-12-10 Segmented water coal slurry pressurized gasifier fireside surface brick and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410747195.6A CN104591750B (en) 2014-12-10 2014-12-10 Segmented water coal slurry pressurized gasifier fireside surface brick and preparation method thereof

Publications (2)

Publication Number Publication Date
CN104591750A true CN104591750A (en) 2015-05-06
CN104591750B CN104591750B (en) 2017-02-01

Family

ID=53117862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410747195.6A Active CN104591750B (en) 2014-12-10 2014-12-10 Segmented water coal slurry pressurized gasifier fireside surface brick and preparation method thereof

Country Status (1)

Country Link
CN (1) CN104591750B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112313188A (en) * 2018-07-02 2021-02-02 东京窯业株式会社 Chromium oxide brick

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101591189A (en) * 2009-03-19 2009-12-02 宜兴新威利成耐火材料有限公司 Cr-Zr brick for coal slurry gasifier and preparation method thereof
CN101913886A (en) * 2010-07-23 2010-12-15 李正平 95 chromium-aluminum-zirconium brick for coal water slurry pressurized gasifier and preparation method thereof
CN102079652A (en) * 2010-11-22 2011-06-01 武汉科技大学 High thermal shock resisting Cr2O3-Al2O3-ZrO2 brick and production method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101591189A (en) * 2009-03-19 2009-12-02 宜兴新威利成耐火材料有限公司 Cr-Zr brick for coal slurry gasifier and preparation method thereof
CN101913886A (en) * 2010-07-23 2010-12-15 李正平 95 chromium-aluminum-zirconium brick for coal water slurry pressurized gasifier and preparation method thereof
CN102079652A (en) * 2010-11-22 2011-06-01 武汉科技大学 High thermal shock resisting Cr2O3-Al2O3-ZrO2 brick and production method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
尹润生等: "水煤浆气化炉内衬热面高铬材料的选择", 《耐火材料》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112313188A (en) * 2018-07-02 2021-02-02 东京窯业株式会社 Chromium oxide brick
US20210101835A1 (en) * 2018-07-02 2021-04-08 Tyk Corporation Chromia-based brick

Also Published As

Publication number Publication date
CN104591750B (en) 2017-02-01

Similar Documents

Publication Publication Date Title
CN107698266B (en) Hot-blast stove pipeline sealing material and preparation method thereof
EP3392226B1 (en) Magnesium aluminum spinel brick preparation method and magnesium aluminum spinel brick prepared using same
CN101555151B (en) Corundum fireproof ball used for ball-type hot-blast stove and preparation method thereof
CN106938922B (en) Silicon corundum abrasive brick
CN107032810B (en) Gunning mix with excellent bonding performance for sintering large flue and preparation method
CN106938923B (en) Silicon corundum wear-resistant composite brick
CN108083765B (en) Low-heat-conduction anti-stripping brick and preparation method thereof
CN105541352B (en) A kind of chromium Al2O3C Bricks and preparation method thereof
CN104944978B (en) Efficient and energy-saving type high temperature mortar for cement rotary kilns, and preparation method thereof
CN110452004B (en) Refractory lining brick for transition zone of rotary cement kiln and preparation method thereof
CN103693973A (en) Refractory brick for dry-quenching coke oven and preparation method of refractory brick
CN108675804A (en) A kind of highly heatproof and shockproof mullite brick and its production technology
CN104355638B (en) A kind of refractory material, its preparation method and refractory brick
CN110937905B (en) High-thermal-shock-resistance composite kiln mouth castable
CN101492302A (en) Composite brick for shaft kiln and method of producing the same
CN110963807A (en) Energy-saving mullite refractory brick for cement kiln transition zone and preparation method thereof
CN104909773B (en) Aluminous cement combination properties of alumina-magnesia castables containing compound additive and preparation method thereof
CN113651621A (en) Special novel silicon mullite brick for cement rotary kiln and preparation process thereof
CN104944995A (en) Anti-corrosion zirconia corundum red brick for acid incinerator and preparation process of anti-corrosion zirconia corundum red brick
CN105924190A (en) Low-thermal conductivity silicon-mullite brick and preparation method thereof
CN104591750A (en) Segmented water coal slurry pressurized gasifier fireside surface brick and preparation method thereof
CN110803916A (en) High-strength wear-resistant silicon mullite brick and preparation method thereof
CN109232005A (en) Kilneye castable after a kind of cement rotary kiln
CN103387400A (en) Backing brick for coal water slurry pressurized gasifier and preparation method of backing brick
CN108059453A (en) A kind of coke dry quenching furnace bostle pipe road Mg-Al spinel 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
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210125

Address after: 471322 Baisha Town Industrial Agglomeration Area, Yichuan County, Luoyang City, Henan Province

Patentee after: Luoyang Lier Functional Materials Co.,Ltd.

Address before: 471023 entrance of Mudan Avenue, zhangheng street, Luolong District, Luoyang City, Henan Province

Patentee before: LUOYANG LIER REFRACTORY MATERIAL Co.,Ltd.