CN102012021A - 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
- CN102012021A CN102012021A CN2010105571415A CN201010557141A CN102012021A CN 102012021 A CN102012021 A CN 102012021A CN 2010105571415 A CN2010105571415 A CN 2010105571415A CN 201010557141 A CN201010557141 A CN 201010557141A CN 102012021 A CN102012021 A CN 102012021A
- Authority
- CN
- China
- Prior art keywords
- refractory concrete
- adjacent
- building
- fire
- straightways
- 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
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 human 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 big, the desulphurization denitration cost is low, can effectively reduce advantage such as disposal of pollutants.It can effectively utilize low-quality, high sulfur coal resource.
Fuel particle concentration in the CFBB is big, 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 the boiler.Therefore, be furnished with a large amount of fire-resistant abrasion-proof inner linings in ciculation fluidized 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 builds body, promptly (the Tooling Warehouse lattice comprise panel and the left mould and the right mould that are provided with at the panel two ends to the Tooling Warehouse lattice by being provided with on walling body to be poured, the medial surface of left side 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 to build refractory concrete) in build refractory concrete, and by vibrating, the refractory concrete block structure that receipts face and maintenance form, the above-mentioned body of building is a side towards the fire towards the surface of boiler internal, the flame of this face in boiler.The body of building in the present CFBB is a monoblock type, be that whole body of wall has only one to build body, though this structure construction technology is easy, but owing to the volume of building body is bigger, the area of side towards the fire is bigger, cause building body, defectives such as damage in shorter service time, will occur peeling off, collapsing, thereby greatly influence the normal use of boiler because the deformation extent that expands with heat and contract with cold is bigger.In addition, development along with society, for large circulating fluidized bed boiler (boiler that 300MW is above), there is not at present the ripe construction technology that is used to build refractory concrete both at home and abroad, if use above-mentioned monoblock type casting craft, because it is excessive to build the volume of body, very easily is damaged owing to expanding with heat and contract with cold, and has greatly limited the development and application of large circulating fluidized bed boiler.In addition, in the existing construction technology, monoblock type is built body need be provided with dilatation joint.
Summary of the invention
The technical problem that the present invention solves provides and does not a kind ofly need that dilatation joint is set and can improve and build body the 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 of N row build body, the described body of building comprises side towards the fire, the slit of going together between adjacent two adjacent walls of building body forms construction joint, the intersection of described construction joint and side towards the fire is a straight line, and above-mentioned construction joint is a broken line with the intersection of building the cross section of body.
Further be: with described construction joint is that adjacent two row of benchmark are built the body fissure of displacement and arranged.
Further be: the area S of described side towards the fire is 0m
2＜S≤2m
2
Further be: the oblique line section that described broken line comprises two straightways that are parallel to each other and links to each other 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 may further comprise the steps:
A, the capable M row of N Tooling Warehouse lattice are set on walling body to be poured, when the Tooling Warehouse lattice are provided with, arrange with between-line spacing, the fissure of displacement is arranged between adjacent two row, 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, in the Tooling Warehouse lattice, build refractory concrete;
C, treat refractory concrete form build body after, remove the Tooling Warehouse lattice, build and form cavity between the body for adjacent two in the colleague;
Build refractory concrete in D, the cavity that in step C, forms, body is built in formation, the described body of building comprises side towards the fire, the slit of going together between adjacent two adjacent walls of building body forms construction joint, the intersection of described construction joint and side towards the fire is a straight line, and above-mentioned construction joint is a broken line with the intersection of building the cross section of body.
Further be: the area S of described side towards the fire is 0m
2＜S≤2m
2
Further be: the oblique line section that described broken line comprises two straightways that are parallel to each other and links to each other 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, build body because walling body to be poured is provided with the capable M row of N, just having reduced each accordingly builds the volume of body for this, and the minimizing of building the body volume helps to build body and resists the distortion of expanding with heat and contract with cold, and helps improving the service life of building body;
2,, make that like this building building between the body of back formation arranges for the fissure of displacement, helps stoping the continuation expansion of defectives such as crack, and then helps improving the service life of building body because the Tooling Warehouse lattice of adjacent two row are that the fissure of displacement is arranged;
3, because construction joint is a broken line with the intersection of building the cross section of body, building after body owing to expand with heat and contract with cold deforms, construction joint difficulty is tending towards closed, can guarantee that so on the one hand the adjacent difficulty of building between the body is in contact with one another and crimp takes place, on the other hand, can very easily the dust of assembling in the construction joint be cleaned out, building body, to be subjected to the corrosive effect of dust very little, therefore help improving the service life of building body, if the construction joint among the present invention is provided with as the linear dilatation joint in the traditional handicraft, then the dust of Ju Jiing can't be cleaned out, after after a while, it is closed that the linear dilatation joint can be tending towards, and dust can be solidificated in wherein, and then can constantly corrode and wearing and tearing building body, cause building body and significantly shorten service life.
4, because the construction joint that forms among the present invention can play the effect of dilatation joint, therefore in construction, need not dilatation joint to be set to working face (side towards the fire).
Description of drawings
Fig. 1 is the schematic diagram of construction joint;
The schematic diagram that Fig. 2 arranges for the fissure of displacement;
Fig. 3 is the vertical view of Tooling Warehouse lattice;
Fig. 4 is that the A of left mould among Fig. 3 is to view.
Be labeled as among the 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: build body, 12: Tooling Warehouse lattice, 13: left mould, 14: right mould, 15: medial surface, 16: bulge-structure, 18: cross section, 20: panel, 21: body to be built, 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 of N row build body 9, the described body 9 of building comprises side towards the fire 6, the slit of going together between adjacent two adjacent walls of building body 9 forms construction joint 5, described construction joint 5 is a straight line with the intersection of side towards the fire 6, and above-mentioned construction joint 5 is a broken line 24 with the intersection of building the cross section 18 of body 9.Because construction joint 5 is a straight line with the intersection of side towards the fire 6, slit between then adjacent two side towards the fire is a straight line seam 25, above-mentioned cross section 18 of building body is both vertical with side towards the fire 6, again with adjacent two side towards the fire between straight line stitch 25 vertical planes, as shown in Figure 1.Adopt the construction joint 5 of above-mentioned shape to be convenient to the dust in the construction joint 5 is removed.
In order to help stoping the continuation expansion of defectives such as crack, be that benchmark adjacent two is capable with described construction joint 5 builds body 9 fissure of displacement and arranges.For example shown in Figure 2, the construction joint 5 of building body formation at position 1-1 and position 1-2 place extends to the side towards the fire of building body at 2-1 place, position, and this arrangement is the fissure of displacement and arranges.
The above-mentioned body of building is a side towards the fire towards the surface of boiler internal, and the area preferred implementation of described side towards the fire is: the described area S that builds the side towards the fire 6 of 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 more little, build body in long-term use, because the internal stress of the formation of expanding with heat and contract with cold is more little, the possibility of building the body damage is also low more, 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 more little, the quantity of promptly building body is many more, then the quantity of construction joint is also many more, make troubles for like this cleaning work of construction joint, so the big I of the area of side towards the fire 6 is according to boiler actual conditions choose reasonable.
The embodiment of above-mentioned broken line 24 can have multiple, for example zigzag broken line, preferred implementation is: the oblique line section 23 that described broken line 24 comprises two straightways that are parallel to each other 22 and links to each other 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 the making and the installation of mould like this.
The preferred casting method of above-mentioned pouring structure may further comprise the 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 are provided with, arrange with between-line spacing, the fissure of displacement is arranged between adjacent two row, 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, in Tooling Warehouse lattice 12, build refractory concrete;
C, treat refractory concrete form build body 9 after, remove Tooling Warehouse lattice 12, build between the body 9 and form cavity for adjacent two in the colleague;
Build refractory concrete in D, the cavity that in step C, forms, body 9 is built in formation, the described body 9 of building comprises side towards the fire 6, the slit of going together between adjacent two adjacent walls of building body 9 forms construction joint 5, described construction joint 5 is a straight line with the intersection of side towards the fire 6, and above-mentioned construction joint 5 is a broken line 24 with the intersection of building the cross section 18 of 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 first row in Fig. 2, at position 1-1, position 1-3 and position 1-5 are provided with the Tooling Warehouse lattice, the fissure of displacement is arranged between the adjacent two row Tooling Warehouse lattice, be meant 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 second row, as shown in Figure 2, at position 2-1, position 2-3 and position 2-5 are provided with the Tooling Warehouse lattice, adopt above-mentioned arrangement, can be so that to build building in the body of on body of wall, forming after finishing, building of adjacent two row also are fissure of displacement layout between the body, promptly extend to the side towards the fire of building body of adjacent lines correspondence with adjacent two construction joints of building between the body in the delegation; The left mould 13 of described Tooling Warehouse lattice 12 and the medial surface of right mould 14 15 are folding face shape, promptly 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 the plane of a plurality of not coplanes, 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; In the Tooling Warehouse lattice 12 that set, build refractory concrete, and, promptly form and build body by the refractory concrete block structure of vibrating, receipts face and maintenance form; Then related die is removed, only be left to build for the first time the body of building that forms after finishing on the body of wall, then carry out building the second time, promptly in the colleague, build refractory concrete in adjacent two cavitys of building between the body, 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 builds body, owing to have certain time interval between building for the first time and building for the second time, make build formation for the first time build body and the formation construction joint 5 naturally of building between the body of building formation for the second time.
Claims (7)
1. circulating fluid bed boiler wall refractory concrete pouring structure, it is characterized in that: comprise that the capable M of N row build body (9), the described body (9) of building comprises side towards the fire (6), the slit of going together between adjacent two adjacent walls of building body (9) forms construction joint (5), described construction joint (5) is a straight line with the intersection of side towards the fire (6), and above-mentioned construction joint (5) is broken line (24) with the intersection of building the cross section (18) of body (9).
2. circulating fluid bed boiler wall refractory concrete pouring structure as claimed in claim 1 is characterized in that: with described construction joint (5) is that adjacent two row of benchmark are built body (9) fissure of displacement and arranged.
3. circulating fluid bed boiler wall refractory concrete pouring structure as claimed in claim 1 or 2, it is characterized in that: the area S of described side towards the fire (6) is 0m
2＜S≤2m
2
4. circulating fluid bed boiler wall refractory concrete pouring structure as claimed in claim 1, it is characterized in that: 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 links to each other respectively with the end of two straightways (22), oblique line section (23) is the obtuse angle with two straightways (22) institute angle.
5. the casting method of circulating fluid bed boiler wall refractory concrete pouring structure as claimed in claim 1 is characterized in that may further comprise the 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 being provided with, arrange with between-line spacing, the fissure of displacement is arranged between adjacent two row, 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, in Tooling Warehouse lattice (12), build refractory concrete;
C, treat refractory concrete form build body (9) after, remove Tooling Warehouse lattice (12), build between the body (9) and form cavity for adjacent two in the colleague;
Build refractory concrete in D, the cavity that in step C, forms, body (9) is built in formation, the described body (9) of building comprises side towards the fire (6), the slit of going together between adjacent two adjacent walls of building body (9) forms construction joint (5), described construction joint (5) is a straight line with the intersection of side towards the fire (6), and above-mentioned construction joint (5) is broken line (24) with the intersection of building the cross section (18) of body (9).
6. casting method as claimed in claim 5 is characterized in that: the area S of described side towards the fire (6) is 0m
2＜S≤2m
2
7. casting method as claimed in claim 5, it is characterized in that: 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 links to each other respectively with the end of two straightways (22), oblique line section (23) is the obtuse angle with two straightways (22) institute angle.
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 true CN102012021A (en) | 2011-04-13 |
| CN102012021B 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) |
Cited By (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 (8)
| 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 |
| JP2005177799A (en) * | 2003-12-18 | 2005-07-07 | Sumitomo Metal Ind Ltd | Method for applying lining refractory brick in steelmaking vessel |
| EP1602889A1 (en) * | 2004-06-05 | 2005-12-07 | Maerz Ofenbau AG | Industrial furnace |
| CN101514870A (en) * | 2008-02-22 | 2009-08-26 | 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 |
| 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 |
| 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 |
| CN101666147A (en) * | 2008-09-05 | 2010-03-10 | 贵阳铝镁设计研究院 | 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 (8)
| 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 |
| JP2005177799A (en) * | 2003-12-18 | 2005-07-07 | Sumitomo Metal Ind Ltd | Method for applying lining refractory brick in steelmaking vessel |
| EP1602889A1 (en) * | 2004-06-05 | 2005-12-07 | Maerz Ofenbau AG | Industrial furnace |
| CN101514870A (en) * | 2008-02-22 | 2009-08-26 | 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 |
| CN101666147A (en) * | 2008-09-05 | 2010-03-10 | 贵阳铝镁设计研究院 | Construction method of mixed build furnace wall |
| 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 |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 《内江科技》 20060131 谢周勇 等 循环流化床锅炉耐火混凝土施工几个关键环节 , 第1期 * |
| 《内江科技》 20060131 谢周勇 等 循环流化床锅炉耐火混凝土施工几个关键环节 , 第1期 2 * |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102012021B (en) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102012021B (en) | Circulating fluidized bed boiler wall refractory concrete cast structure and casting method | |
| CN201844696U (en) | Prefabricated member for laryngeal part of cement-kiln used grate type cooler | |
| CN201273771Y (en) | Kiln top hanging brick | |
| CN205208591U (en) | Divide storehouse formula flue flashboard | |
| CN209926949U (en) | Novel combined heat storage layer | |
| CN103615896B (en) | Kiln hood lid Special hanging brick | |
| CN101706201B (en) | Kiln head structure and kiln tail structure of pelletizing rotary kiln | |
| CN203501785U (en) | Suspended precast block and one-piece casting combined furnace top construction | |
| CN204535408U (en) | A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones | |
| CN205784530U (en) | Sectional type tunnel kiln | |
| CN203586810U (en) | Reinforced fixed wear-resistant precast brick | |
| CN201016558Y (en) | Precast block for rotary kiln lining | |
| CN201611209U (en) | Composite structure insulating brick used in kiln lining of rotary kiln | |
| CN213396691U (en) | High-thermal-shock-resistance honeycomb ceramic heat accumulator | |
| CN203586823U (en) | Refractory masonry structure for chute inclined surface | |
| CN206787306U (en) | Heating furnace side wall lash-up recovering device | |
| CN203518599U (en) | Hung brick for cement kiln top cover | |
| CN2550365Y (en) | Honeycomb ceramic lattice brick | |
| CN206929767U (en) | Cfbb | |
| CN101126606A (en) | Sintering machine stillage truck joined grid | |
| CN202329162U (en) | Checker structure of heat storage chamber of kiln | |
| CN201037731Y (en) | Structure integration high temperature kiln | |
| CN212205643U (en) | Dry quenching furnace annular air duct inner wall brick | |
| CN2934937Y (en) | Honeycomb heat-storage burning nozzle | |
| CN201159592Y (en) | Sintering pallet conjunction cage bar |
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 |
Granted publication date: 20130619 Termination date: 20181124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |