CN102012021B - Circulating fluidized bed boiler wall refractory concrete cast structure and casting method - Google Patents
Circulating fluidized bed boiler wall refractory concrete cast structure and casting method Download PDFInfo
- Publication number
- CN102012021B CN102012021B CN 201010557141 CN201010557141A CN102012021B CN 102012021 B CN102012021 B CN 102012021B CN 201010557141 CN201010557141 CN 201010557141 CN 201010557141 A CN201010557141 A CN 201010557141A CN 102012021 B CN102012021 B CN 102012021B
- Authority
- CN
- China
- Prior art keywords
- building body
- refractory concrete
- adjacent
- fire
- side towards
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses a circulating fluidized bed boiler wall refractory concrete cast structure and a casting method. The working face cannot be provided with expansion slits, and the service life of cast bodies can be prolonged. The structure comprises N rows and M columns of cast bodies, the gap between the adjacent side walls of the two adjacent cast bodies of the same row forms a working slit, the intersecting line of the working slit and a fire facing surface is a straight line, and fold lines are formed among the cast bodies. The method comprises the following steps of: arranging N rows and M columns of die lattices on a wall to be cast, wherein the die lattices are arranged at intervals on the same rows and the two adjacent rows of die lattices are arranged in a staggered slit mode; casting refractory concrete into the die lattices; after the refractory concrete forms the cast bodies, removing the die lattices, wherein a cavity is formed between the two adjacent cast bodies in the same row; and casting the refractory concrete into the cavities to form cast bodies, and finally forming the cast structure.
Description
Technical field
The present invention relates to a kind of circulating fluid bed boiler wall refractory concrete pouring structure and casting method.
Background technology
Along with improving constantly of mankind's environmental consciousness, green burning boiler---CFBB has been subjected to pays close attention to and widelys popularize application widely.This boiler has that fuel tolerance is strong, load regulation range is large, the desulphurization denitration cost is low, can effectively reduce the advantage such as disposal of pollutants.It can effectively utilize low-quality, high sulfur coal resource.
Fuel particle concentration in CFBB is large, particle diameter is thick, and its solid material concentration is tens times of pulverized-coal fired boiler, has constantly washing away and wear phenomenon of a large amount of high-temp solid materials in boiler.Therefore, be furnished with a large amount of fire-resistant abrasion-proof inner linings in circulating fluidized bed boiler, it plays a part very important in CFBB, and directly has influence on safety, the economical operation of unit.above-mentioned fire-resistant abrasion-proof inner lining comprises and waters building body, namely (the Tooling Warehouse lattice comprise panel and the left mould and the right mould that arrange at panel two ends to the Tooling Warehouse lattice by arranging on walling body to be poured, the medial surface of left mould and right mould is all the plane, walling body to be poured and left mould, right mould and panel form the cavity of storehouse lattice shape jointly, this cavity is used for building refractory concrete) in build refractory concrete, and by vibrating, the refractory concrete block structure that receipts face and maintenance form, the above-mentioned building body of watering is side towards the fire towards the surface of boiler internal, should be facing to the flame in boiler.The building body of watering in present CFBB is monoblock type, be that whole body of wall only has one to water building body, although this structure construction technology is easy, but because the volume that waters building body is larger, the area of side towards the fire is larger, cause watering building body because the deformation extent that expands with heat and contract with cold is larger, the defectives such as damage will occur peeling off, collapsing within shorter service time, thereby greatly affect the normal use of boiler.In addition, development along with society, for large circulating fluidized bed boiler (boiler that 300MW is above), there is no at present the ripe construction technology that is used for building refractory concrete both at home and abroad, if use above-mentioned monoblock type casting craft, because the volume that waters building body is excessive, very easily be damaged owing to expanding with heat and contract with cold, greatly limited the development and application of large circulating fluidized bed boiler.In addition, in existing construction technology, monoblock type is watered building body need to arrange dilatation joint.
Summary of the invention
The technical problem that the present invention solves is to provide and does not a kind ofly need that dilatation joint is set and can improve and water building body circulating fluid bed boiler wall refractory concrete pouring structure and the casting method in service life.
The technical solution adopted for the present invention to solve the technical problems is: circulating fluid bed boiler wall refractory concrete pouring structure, comprise that the capable M row of N water building body, the described building body of watering comprises side towards the fire, the gap of going together between adjacent two adjacent walls that water building body forms construction joint, the intersection of described construction joint and side towards the fire is straight line, and above-mentioned construction joint is broken line with the intersection that waters the cross section of building body.
Be further: adjacent two row water the building body fissure of displacement and arrange take described construction joint as benchmark.
Be further: the area S of described side towards the fire is 0m
2＜S≤2m
2
Be further: the oblique line section that described broken line comprises two straightways that are parallel to each other and is connected respectively between two straightways and with the end of two straightways, oblique line section and two straightway institute angles are the obtuse angle.
Casting method comprises the following steps:
A, the capable M row of N Tooling Warehouse lattice are set on walling body to be poured, when the Tooling Warehouse lattice arrange, arrange with between-line spacing, between adjacent two row, the fissure of displacement is arranged, left mould and right mould that described Tooling Warehouse lattice comprise panel and are arranged on the panel two ends, the medial surface of described left mould and the medial surface of right mould are all folding face shape;
B, build refractory concrete in the Tooling Warehouse lattice;
C, until refractory concrete form water building body after, remove the Tooling Warehouse lattice, adjacent two in the colleague are watered and form cavity between building body;
Build refractory concrete in D, the cavity that forms in the step C, building body is watered in formation, the described building body of watering comprises side towards the fire, the gap of going together between adjacent two adjacent walls that water building body forms construction joint, the intersection of described construction joint and side towards the fire is straight line, and above-mentioned construction joint is broken line with the intersection that waters the cross section of building body.
Be further: the area S of described side towards the fire is 0m
2＜S≤2m
2
Be further: the oblique line section that described broken line comprises two straightways that are parallel to each other and is connected respectively between two straightways and with the end of two straightways, oblique line section and two straightway institute angles are the obtuse angle.
The invention has the beneficial effects as follows:
1, water building body owing to being provided with the capable M row of N on walling body to be poured, just having reduced each accordingly waters the volume of building body for this, and the minimizing of watering the building body volume helps to water building body and resists the distortion of expanding with heat and contract with cold, and is conducive to improve the service life of watering building body;
2, the Tooling Warehouse lattice due to adjacent two row are that the fissure of displacement is arranged, and make like this to build watering between building body of rear formation and arrange for the fissure of displacement, are conducive to stop the continuation expansion of the defectives such as crack, and then are conducive to improve the service life of watering building body;
3, because construction joint is broken line with the intersection that waters the cross section of building body, watering after building body deforms owing to expanding with heat and contract with cold, construction joint is more difficult is tending towards closed, can guarantee that so on the one hand adjacent watering more difficultly between building body is in contact with one another and crimp occurs, on the other hand, can very easily the dust of assembling in construction joint be cleaned out, water the corrosive effect that building body is subject to dust very little, therefore be conducive to improve the service life of watering building body, if the construction joint in the present invention arranges as the linear dilatation joint in traditional handicraft, the dust of assembling can't be cleaned out, after after a while, it is closed that the linear dilatation joint can be tending towards, dust can be solidificated in wherein, and then can constantly corrode and wearing and tearing watering building body, causing watering building body significantly shortens service life.
4, can play the effect of dilatation joint due to the construction joint that forms in the present invention, therefore need not to working face (side towards the fire), dilatation joint to be set in construction.
Description of drawings
Fig. 1 is the schematic diagram of construction joint;
Fig. 2 is the schematic diagram that the fissure of displacement is arranged;
Fig. 3 is the top view of Tooling Warehouse lattice;
Fig. 4 is that the A of the left mould of Fig. 3 is to view.
Be labeled as in figure: 1-1,1-2,1-3,1-4,1-5,1-6,2-1,2-2,2-3,2-4,2-5: position, 5: construction joint, 6: side towards the fire, 9: water building body, 12: Tooling Warehouse lattice, 13: left mould, 14: right mould, 15: medial surface, 16: bulge-structure, 18: cross section, 20: panel, 21: building body to be poured, 22: straightway, 23: oblique line section, 24: broken line, 25: the straight line seam.
The specific embodiment
The present invention is further described below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, circulating fluid bed boiler wall refractory concrete pouring structure, comprise that the capable M row of N water building body 9, the described building body 9 of watering comprises side towards the fire 6, the gap of going together between adjacent two adjacent walls that water building body 9 forms construction joint 5, described construction joint 5 is straight line with the intersection of side towards the fire 6, and above-mentioned construction joint 5 is broken line 24 with the intersection that waters the cross section 18 of building body 9.Because the intersection of construction joint 5 and side towards the fire 6 is straight line, the gap between adjacent two side towards the fire is straight line seam 25, the above-mentioned cross section 18 that waters building body is both vertical with side towards the fire 6, again with adjacent two side towards the fire between the vertical planes of straight line seam 25, as shown in Figure 1.Adopt the construction joint 5 of above-mentioned shape to be convenient to the dust in construction joint 5 is removed.
In order to be conducive to stop the continuation expansion of the defectives such as crack, adjacent two row water building body 9 fissure of displacement and arrange take described construction joint 5 as benchmark.For example shown in Figure 2, the construction joint 5 of building body formation at position 1-1 and 1-2 place, position extends to the side towards the fire that waters building body at 2-1 place, position, and this arrangement is the fissure of displacement and arranges.
The above-mentioned building body of watering is side towards the fire towards the surface of boiler internal, and the area preferred embodiment of described side towards the fire is: the described area S that waters the side towards the fire 6 of building body is 0m
2＜S≤2m
2For example S can be 0.3m
2, 0.5m
2, 0.8m
2, 0.9m
2, 1.4m
2, 1.8m
2Deng.The side towards the fire area is less, water building body in long-term use procedure, the internal stress that forms owing to expanding with heat and contract with cold is less, and the possibility of watering the building body damage is also lower, but the side towards the fire area is too small, bring difficulty to construction on the one hand, make construction period long, in addition because side towards the fire 6 is less, the quantity of namely watering building body is more, the quantity of construction joint is also more, make troubles for like this cleaning work of construction joint, so the size of side towards the fire 6 can be according to boiler actual conditions choose reasonable.
The embodiment of above-mentioned broken line 24 can have multiple, zigzag broken line for example, preferred embodiment is: the oblique line section 23 that described broken line 24 comprises two straightways that are parallel to each other 22 and is connected respectively between two straightways 22 and with the end of two straightways 22, oblique line section 23 and 22 angles of two straightways are the obtuse angle.Adopt the broken line of above-mentioned shape, can be convenient to the making of related die, mould structure is simplified.Above-mentioned two straightways that are parallel to each other 22 are preferably vertical with side towards the fire, can further be convenient to like this making and the installation of mould.
The preferred casting method of above-mentioned pouring structure comprises the following steps:
A, the capable M row of N Tooling Warehouse lattice 12 are set on walling body 21 to be poured, when Tooling Warehouse lattice 12 arrange, arrange with between-line spacing, between adjacent two row, the fissure of displacement is arranged, left mould 13 and right mould 14 that described Tooling Warehouse lattice 12 comprise panel 20 and are arranged on panel 20 two ends, the medial surface 15 of described left mould 13 and the medial surface 15 of right mould 14 are all folding face shape;
B, build refractory concrete in Tooling Warehouse lattice 12;
C, until refractory concrete form water building body 9 after, remove Tooling Warehouse lattice 12, adjacent two in the colleague are watered between building body 9 and form cavity;
Build refractory concrete in D, the cavity that forms in the step C, building body 9 is watered in formation, the described building body 9 of watering comprises side towards the fire 6, the gap of going together between adjacent two adjacent walls that water building body 9 forms construction joint 5, described construction joint 5 is straight line with the intersection of side towards the fire 6, and above-mentioned construction joint 5 is broken line 24 with the intersection that waters the cross section 18 of building body 9.
as shown in Figures 1 to 4, when implementing said method, with the Tooling Warehouse compartment of delegation every setting, for example in the first row in Fig. 2, at position 1-1, position 1-3 and position 1-5 arrange the Tooling Warehouse lattice, between adjacent two row Tooling Warehouse lattice, the fissure of displacement is arranged, refer to that the madial wall of one's own profession Tooling Warehouse lattice extends to the internal cavities of adjacent lines Tooling Warehouse lattice, for example in the second row, as shown in Figure 2, at position 2-1, position 2-3 and position 2-5 arrange the Tooling Warehouse lattice, adopt above-mentioned arrangement, can be so that build watering in building body of forming after completing on body of wall, watering between building body of adjacent two row also arranged for the fissure of displacement, namely extend to the side towards the fire that waters building body corresponding to adjacent lines with adjacent two construction joints that water between building body in delegation, the left mould 13 of described Tooling Warehouse lattice 12 and the medial surface of right mould 14 15 are folding face shape, namely as shown in Figure 3 and Figure 4, bulge-structure 16 towards Tooling Warehouse lattice internal cavities is set on medial surface 15, make medial surface 15 comprise a plurality of not coplanar planes, so just can form folding face shape, it is folding face shape that the medial surface of this shape can make the sidewall of building body, build refractory concrete in the Tooling Warehouse lattice 12 that set, and by the refractory concrete block structure of vibrating, receipts face and maintenance form, namely form and water building body, then related die is removed, on body of wall only remaining build for the first time complete after formation water building body, then build for the second time, namely build refractory concrete in interior adjacent two cavitys that water between building body of colleague, as shown in Figure 2, to position 1-2, position 1-4, position 1-6, position 2-2, position 2-4 builds refractory concrete, and by vibrating, receipts face and maintenance form waters building body, has certain time interval between building for the first time and building for the second time, make and build for the first time watering building body and building for the second time the self-assembling formation construction joint 5 between building body that waters of formation of formation.
Claims (2)
1. the casting method of circulating fluid bed boiler wall refractory concrete pouring structure is characterized in that comprising the following steps:
A, the capable M row of N Tooling Warehouse lattice (12) are set on walling body to be poured (21), Tooling Warehouse lattice (12) are when arranging, arrange with between-line spacing, between adjacent two row, the fissure of displacement is arranged, left mould (13) and right mould (14) that described Tooling Warehouse lattice (12) comprise panel (20) and are arranged on panel (20) two ends, the medial surface (15) of described left mould (13) and the medial surface (15) of right mould (14) are all folding face shape;
B, build refractory concrete in Tooling Warehouse lattice (12);
C, until refractory concrete form water building body (9) after, remove Tooling Warehouse lattice (12), adjacent two in the colleague are watered between building body (9) and form cavity;
Build refractory concrete in D, the cavity that forms in the step C, building body (9) is watered in formation, the described building body (9) of watering comprises side towards the fire (6), the gap of going together between adjacent two adjacent walls that water building body (9) forms construction joint (5), described construction joint (5) is straight line with the intersection of side towards the fire (6), and above-mentioned construction joint (5) is broken line (24) with the intersection that waters the cross section (18) of building body (9); The oblique line section (23) that described broken line (24) comprises two straightways that are parallel to each other (22) and is positioned between two straightways (22) and is connected respectively with the end of two straightways (22), oblique line section (23) is the obtuse angle with two straightways (22) institutes angle, and described two straightways that are parallel to each other (22) are vertical with side towards the fire (6).
2. casting method as claimed in claim 1, it is characterized in that: the area S of described side towards the fire (6) is 0m
2＜S≤2m
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010557141 CN102012021B (en) | 2010-11-24 | 2010-11-24 | Circulating fluidized bed boiler wall refractory concrete cast structure and casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010557141 CN102012021B (en) | 2010-11-24 | 2010-11-24 | Circulating fluidized bed boiler wall refractory concrete cast structure and casting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102012021A CN102012021A (en) | 2011-04-13 |
| CN102012021B true CN102012021B (en) | 2013-06-19 |
Family
ID=43842291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010557141 Expired - Fee Related CN102012021B (en) | 2010-11-24 | 2010-11-24 | Circulating fluidized bed boiler wall refractory concrete cast structure and casting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102012021B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553253A (en) * | 2019-09-09 | 2019-12-10 | 华西能源工程有限公司 | Flame retardant coating of air chamber water-cooled wall and coating method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581919Y (en) * | 2002-11-01 | 2003-10-22 | 云南铝业股份有限公司 | Lining for rotary kiln |
| CN201314781Y (en) * | 2008-12-03 | 2009-09-23 | 沈阳铝镁设计研究院 | Lining of rotary kiln and secondary air port structure thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4300995B2 (en) * | 2003-12-18 | 2009-07-22 | 住友金属工業株式会社 | Construction method for lining refractory bricks for steelmaking containers |
| DE502004002454D1 (en) * | 2004-06-05 | 2007-02-08 | Maerz Ofenbau | industrial furnace |
| CN101514870B (en) * | 2008-02-22 | 2012-02-22 | 中冶天工建设有限公司 | Construction method for manufacturing working layer of annular heating furnace by utilizing timber shuttering and profile steel |
| CN101608867A (en) * | 2008-06-17 | 2009-12-23 | 沈阳铝镁设计研究院 | A kind of flue wall structure for anode baking furnaces |
| CN101666147B (en) * | 2008-09-05 | 2011-09-21 | 贵阳铝镁设计研究院有限公司 | Construction method of mixed build furnace wall |
| CN201449145U (en) * | 2009-07-10 | 2010-05-05 | 山东博大集团有限公司 | High-strength lightweight heat-insulating heating furnace integral wall |
-
2010
- 2010-11-24 CN CN 201010557141 patent/CN102012021B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581919Y (en) * | 2002-11-01 | 2003-10-22 | 云南铝业股份有限公司 | Lining for rotary kiln |
| CN201314781Y (en) * | 2008-12-03 | 2009-09-23 | 沈阳铝镁设计研究院 | Lining of rotary kiln and secondary air port structure thereof |
Non-Patent Citations (1)
| Title |
|---|
| 谢周勇 等.循环流化床锅炉耐火混凝土施工几个关键环节.《内江科技》.2006,(第1期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102012021A (en) | 2011-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102012021B (en) | Circulating fluidized bed boiler wall refractory concrete cast structure and casting method | |
| CN201273771Y (en) | Kiln top hanging brick | |
| CN103615896B (en) | Kiln hood lid Special hanging brick | |
| CN201391020Y (en) | Insulating no heat bridge structure in outer wall | |
| CN205208591U (en) | Divide storehouse formula flue flashboard | |
| CN101706201B (en) | Kiln head structure and kiln tail structure of pelletizing rotary kiln | |
| CN100578134C (en) | Ceramic heat storage body | |
| CN204535408U (en) | A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones | |
| CN206157265U (en) | Novel double -deck thermal field system | |
| CN103629936A (en) | Hanging brick for cement kiln top cover | |
| CN203518599U (en) | Hung brick for cement kiln top cover | |
| CN203586810U (en) | Reinforced fixed wear-resistant precast brick | |
| CN201016558Y (en) | Precast block for rotary kiln lining | |
| CN212205643U (en) | Dry quenching furnace annular air duct inner wall brick | |
| CN2550365Y (en) | Honeycomb ceramic lattice brick | |
| CN208844360U (en) | Joint sheeve equipped with middle shear hinge installation passage | |
| CN202599126U (en) | Parapet structure of grate cooler for cement kiln | |
| CN202329162U (en) | Checker structure of heat storage chamber of kiln | |
| CN201159592Y (en) | Sintering pallet conjunction cage bar | |
| CN2160068Y (en) | Hearth for combined civil coal stove | |
| CN213396691U (en) | High-thermal-shock-resistance honeycomb ceramic heat accumulator | |
| CN205976159U (en) | Curtain expansion joint waterproof construction | |
| CN203628617U (en) | Coal economizer using H-shaped gilled tubes | |
| CN208139823U (en) | A kind of novel rotary kiln prefabricated component masonry construction | |
| CN216976837U (en) | Grate of stove |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181124 |