CN103727782A - High-temperature square tube and manufacturing method thereof - Google Patents
High-temperature square tube and manufacturing method thereof Download PDFInfo
- Publication number
- CN103727782A CN103727782A CN201410006627.8A CN201410006627A CN103727782A CN 103727782 A CN103727782 A CN 103727782A CN 201410006627 A CN201410006627 A CN 201410006627A CN 103727782 A CN103727782 A CN 103727782A
- Authority
- CN
- China
- Prior art keywords
- square tube
- temperature square
- high temperature
- hanger bracket
- anchored brick
- 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.)
- Pending
Links
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a high-temperature square tube and a manufacturing method of the high-temperature square tube, particularly relates to the high-temperature square tube for a rotary furnace and the manufacturing method of the high-temperature square tube, and provides the high-temperature square tube for preventing castables from being disengaged and the manufacturing method of the high-temperature square tube. The high-temperature square tube comprises a castable layer, a suspension bracket and an anchoring brick, wherein the cross section of the castable layer is of a hollow rectangular shape. The suspension bracket is arranged outside the castable layer and wrapped on at least one face of the castable layer, a gap exists between the suspension bracket and the castable layer, and the anchoring brick is anchored inside the castable layer and connected with the suspension bracket. The manufacturing method of the high-temperature square tube includes the following steps of firstly, erecting the suspension bracket according to the number of faces where the castable layer needs to be wrapped on, and enabling the shape of the suspension bracket to be matched with the shape of the castable layer which needs to be formed through pouring; secondly, enabling the anchoring brick to be connected to the inner wall of the suspension bracket; thirdly, manufacturing a die and forming the castable layer through pouring on the basis of the anchoring brick. The method can be used for designing and manufacturing the high-temperature square tube and can also be used for improving an existing high-temperature square tube.
Description
Technical field
The present invention relates to a kind of high temperature square tube, especially a kind of rotary furnace high temperature square tube.In addition, the invention still further relates to a kind of high temperature square pipe manufacturing method, especially a kind of rotary furnace high temperature square pipe manufacturing method.
Background technology
Rotary kiln high temperature square tube is the important backheat pipeline in pelletizing heat power engineering system, and its effect is effectively the heat delivery of cold section of ring to be arrived to rotary kiln by ring air-cooler, improves heat utilization rate, reduces energy consumption, reduces costs.The high temperature rhs-structure using is at present referring to accompanying drawing 3, it mainly comprises profile frame, anchor studs and castable, profile frame is after having set up, on profile frame, anchor studs is set, and then builds castable by anchor studs, that is to say, traditional high temperature square tube mainly contains two-layer, skin is profile frame, and internal layer is castable, between this is two-layer, by anchor studs, connects.Because the contact area of anchor studs and castable is limited, therefore their bonding strength is limited, and in long high temperature production, there are the following problems: because high temperature square tube top pouring material comes off, cause steel construction distortion, burn, affect normal thermal technology's operation.In long-time high temperature production, because a variety of causes there will be the condition of production of kiln hood malleation unavoidably, when malleation is produced, hot blast in high temperature square tube cannot normally be delivered to rotary kiln by cold 1 section of ring, too much hot blast is deposited in high temperature square tube, will be penetrated into thermal insulation layer along reserved dilatation joint in high temperature square tube top pouring material, thus oxidation anchor studs and steel construction.When anchor studs and steel construction come off, by the anchor studs fixing castable of taking root, will come off, accelerate steel construction oxidation, be out of shape, burn, have a strong impact on production.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of high temperature square tube that prevents that castable from coming off is provided.
For the technical scheme that addresses the above problem employing is: high temperature square tube comprises that shape of cross section is pouring layer, hanger bracket and the anchored brick of hollow rectangle, hanger bracket is arranged at least one face of the outside and coated pouring layer of pouring layer, gapped between hanger bracket and pouring layer, anchored brick is anchored in pouring layer and is connected with hanger bracket.
Further: on anchored brick, be provided with groove.
Further: comprise profile frame, the four sides of the coated pouring layer of profile frame also with pouring layer laminating, hanger bracket be arranged at profile frame outside and with the distance of profile frame be 300-500mm.
Further: anchored brick arranges along cast bed of material length direction interval in a row, with the adjacent anchored brick spacing of row, is 200-500mm.
Further: in the cast bed of material, along cast bed of material length direction interval 1400-1600mm, be provided with expansion oplate.
Another technical problem that will solve of the present invention is to provide a kind of manufacture and prevents the method for the high temperature square tube that castable comes off.
For the technical scheme that addresses the above problem employing is: high temperature square pipe manufacturing method comprises the steps:
A, the quantity of the face of coated pouring layer is built hanger bracket as required, and the shape of hanger bracket is suitable with the cast bed of material that need build;
B, anchored brick is connected on hanger bracket inwall;
C, take anchored brick as foundation molding, build the cast bed of material.
Further: the groove that is provided with enlarge active surface on anchored brick.
Further: in A step, first profile frame is set, on profile frame, builds hanger bracket; In B step, anchored brick is connected with hanger bracket through profile frame; In C step, take profile frame inwall as basic molding, build the cast bed of material.
Further: in B step, anchored brick arranges along watering hanger bracket length direction interval in a row, with the adjacent anchored brick spacing of row, is 200-500mm.
Further: in C step, along cast bed of material length direction, every 1400-1600mm, place expansion oplate building in the cast bed of material.
The invention has the beneficial effects as follows: by anchored brick, taken root and fixed the cast bed of material, because anchored brick is larger with the contact area of the cast bed of material, thereby it is more firm to make to pour into a mould the bed of material.Anchored brick itself can bear high mild oxidation, even if therefore there is hot blast to enter cast bed of material inside, also can anchored brick not caused oxidation, be burnt, and the shrinkage factor of anchored brick and the cast bed of material is close, and therefore the present invention has longer service life.The present invention can also adopt profile frame, and the cast bed of material depends on profile frame and builds and form, thereby it is more regular to make to pour into a mould bed of material shape, also can increase its shock resistance.The position of anchored brick can be suitable with the profile of the cast bed of material, and this makes the bond strength of each cast bed of material position and anchored brick basic identical, thereby it is more durable to make to pour into a mould the bed of material.Anchored brick is uniformly distributed and can makes each position intensity of castable layer basically identical, makes stressed balance more, improves the durability of the cast bed of material.
Accompanying drawing explanation:
Fig. 1 is high temperature square tube cutaway view;
Fig. 2 is the zoomed-in view at Figure 1A place;
Fig. 3 is the viewgraph of cross-section of a kind of embodiment of high temperature square tube;
The viewgraph of cross-section of the another kind of embodiment of Fig. 4 high temperature square tube;
Fig. 5 is prior art high temperature square tube cutaway view;
In figure, be labeled as: pouring layer 1, anchored brick 2, hanger bracket 3, profile frame 4, gap 5, groove 6.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
High temperature square tube comprises that shape of cross section is pouring layer 1, hanger bracket 3 and the anchored brick 2 of hollow rectangle, hanger bracket 3 is arranged at least one face of pouring layer 1 outside and coated pouring layer 1, gapped 5 between hanger bracket 3 and pouring layer 1, anchored brick 2 is anchored in pouring layer 1 and is connected with hanger bracket 3.Anchored brick 2 can be arranged on hanger bracket 3 by connector, also can, directly being arranged on hanger bracket 3, when molding, anchored brick 2 be packed in mould, builds to pour into a mould after the bed of material 1 to make anchored brick 2 be anchored in the cast bed of material 1.Anchored brick 2 has larger surface area, larger with pouring layer 1 contact area, pouring layer 1 adhesion-tight.Anchored brick 2 itself can bear high mild oxidation, even if therefore there is hot blast to enter cast bed of material inside, also can anchored brick not caused oxidation, be burnt, and the shrinkage factor of anchored brick and the cast bed of material is close, even if run into violent variations in temperature, also can not ftracture because the difference of shrinkage factor causes pouring into a mould the bed of material 1, therefore the present invention has longer service life.Gap 5 between hanger bracket 3 and pouring layer 1 can absorb distortion, avoids the large internal stress of the interior generation of pouring layer 1, is also conducive to prevent that pouring layer 1 from coming off.
For further raising anchored brick 2 and the effect that is connected of pouring layer 1, on anchored brick 2, be provided with groove 6.Groove 5 on anchored brick 2, except increasing surface area, can also form interlocking with the cast bed of material 1, has further improved the be connected effect of anchored brick 2 with pouring layer 1.
More regular in order to make to pour into a mould the bed of material 1 shape, shock resistance is stronger, and high temperature square tube comprises profile frame 4, also fits with pouring layer 1 in the four sides of profile frame 4 coated pouring layers 1, hanger bracket 3 be arranged at profile frame 4 outside and with the distance of profile frame 4 be 300-500mm.Profile frame 4 both can be in order to supported and suspended 3, also can be used as shape basis and build the cast bed of material 1, can also bear the impact that the cast bed of material 1 is subject to.Because the cast bed of material 1 is mainly connected with anchored brick 2, therefore, even if profile frame 4 is subject to oxidation, burns, can not make to pour into a mould the bed of material 1 yet and come off.
In order further to avoid pouring into a mould the bed of material 1 generation internal stress of being heated, the cast bed of material 1 is interior is provided with expansion oplate along the cast bed of material 1 length direction interval 1400-1600mm.The cast bed of material 1 is heated and can extends to some extent, and expansion oplate absorbs the elongation of the cast bed of material 1, avoids pouring into a mould the bed of material 1 generation internal stress of being heated.
The present invention can be applied to high temperature square tube and manufacture and design, and also can be applicable to transform existing high temperature square tube.
High temperature square pipe manufacturing method comprises the steps:
A, the quantity of the face of coated pouring layer 1 is built hanger bracket 3 as required, and the shape of hanger bracket 3 is suitable with the cast bed of material 1 that need build;
B, anchored brick 2 is connected on hanger bracket 3 inwalls;
C, take anchored brick 2 as foundation molding, build cast the bed of material 1.
In order to improve the bonding strength of anchored brick 2 and material feeding layer 1, can on anchored brick 2, be provided with the groove 6 of enlarge active surface
More regular in order to make to pour into a mould the bed of material 1 shape, shock resistance is stronger, in A step, first profile frame 4 is set, and builds hanger bracket 3 on profile frame 4; In B step, anchored brick 2 is connected with hanger bracket 3 through profile frame 4; In C step, take profile frame 4 inwalls as basic molding, build the cast bed of material 1.
The concrete set-up mode of anchored brick 2 can be as follows: in B step, anchored brick 2 arranges along watering hanger bracket 3 length direction intervals in a row, with adjacent anchored brick 2 spacing of row, is 200-500mm.
In order to compensate cast the expanding with heat and contract with cold of the bed of material 1, in C step, the cast bed of material 1 is interior places expansion oplate along the cast bed of material 1 length direction every 1400-1600mm building.
Claims (10)
1. high temperature square tube, comprise that shape of cross section is the pouring layer (1) of hollow rectangle, it is characterized in that: comprise hanger bracket (3) and anchored brick (2), hanger bracket (3) is arranged at least one face of the outside and coated pouring layer (1) of pouring layer (1), between hanger bracket (3) and pouring layer (1) gapped (5), anchored brick (2) is anchored in pouring layer (1) and is connected with hanger bracket (3).
2. high temperature square tube according to claim 1, is characterized in that: on anchored brick (2), be provided with groove (6).
3. high temperature square tube according to claim 2, it is characterized in that: comprise profile frame (4), the four sides of the coated pouring layer (1) of profile frame (4) also with pouring layer (1) laminating, hanger bracket (3) be arranged at profile frame (4) outside and with the distance of profile frame (4) be 300-500mm.
4. high temperature square tube according to claim 3, is characterized in that: anchored brick (2) arranges along the cast bed of material (1) length direction interval in a row, with row's adjacent anchored brick (2) spacing, is 200-500mm.
5. the high temperature square tube as described in claim 1 to 4 any one, is characterized in that: in the cast bed of material (1), along the cast bed of material (1) length direction interval 1400-1600mm, be provided with expansion oplate.
6. high temperature square pipe manufacturing method, is characterized in that comprising the steps:
A, the quantity of the face of coated pouring layer (1) is built hanger bracket (3) as required, and the shape of hanger bracket (3) is suitable with the cast bed of material (1) that need build;
B, anchored brick (2) is connected on hanger bracket (3) inwall;
C, take anchored brick (2) as foundation molding, build cast the bed of material (1).
7. high temperature square pipe manufacturing method according to claim 6, is characterized in that, is provided with the groove (6) of enlarge active surface on anchored brick (2).
8. the manufacture method of high temperature square tube according to claim 7, is characterized in that: in A step, profile frame (4) is first set, builds hanger bracket (3) on profile frame (4); In B step, anchored brick (2) is connected with hanger bracket (3) through profile frame (4); In C step, take profile frame (4) inwall as basic molding, build the cast bed of material (1).
9. the manufacture method of high temperature square tube according to claim 8, is characterized in that: in B step, anchored brick (2) arranges along watering hanger bracket (3) length direction interval in a row, with row's adjacent anchored brick (2) spacing, is 200-500mm.
10. the manufacture method of the high temperature square tube as described in claim 6 to 9 any one, is characterized in that: in C step, place expansion oplate building in the cast bed of material (1) along pouring into a mould the bed of material (1) length direction every 1400-1600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006627.8A CN103727782A (en) | 2014-01-06 | 2014-01-06 | High-temperature square tube and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006627.8A CN103727782A (en) | 2014-01-06 | 2014-01-06 | High-temperature square tube and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103727782A true CN103727782A (en) | 2014-04-16 |
Family
ID=50451966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006627.8A Pending CN103727782A (en) | 2014-01-06 | 2014-01-06 | High-temperature square tube and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103727782A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054671A (en) * | 1996-08-07 | 1998-02-24 | Nippon Steel Corp | Repairing device and repairing method of high-temperature furnace |
| CN102003878A (en) * | 2010-12-17 | 2011-04-06 | 攀枝花钢企米易白马球团有限公司 | Kiln head square tube and manufacturing method thereof |
| CN102213550A (en) * | 2011-04-08 | 2011-10-12 | 洛阳水泥工程设计研究院有限公司 | External castable masonry method for burner of rotary cement clinker production kiln |
| CN103322799A (en) * | 2012-03-19 | 2013-09-25 | 五冶集团上海有限公司 | Off-line pouring method of refractory material of burner of circular furnace |
-
2014
- 2014-01-06 CN CN201410006627.8A patent/CN103727782A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054671A (en) * | 1996-08-07 | 1998-02-24 | Nippon Steel Corp | Repairing device and repairing method of high-temperature furnace |
| CN102003878A (en) * | 2010-12-17 | 2011-04-06 | 攀枝花钢企米易白马球团有限公司 | Kiln head square tube and manufacturing method thereof |
| CN102213550A (en) * | 2011-04-08 | 2011-10-12 | 洛阳水泥工程设计研究院有限公司 | External castable masonry method for burner of rotary cement clinker production kiln |
| CN103322799A (en) * | 2012-03-19 | 2013-09-25 | 五冶集团上海有限公司 | Off-line pouring method of refractory material of burner of circular furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100578127C (en) | Fluidized calcining furnace ball arc furnace top and method of forming same | |
| CN203964635U (en) | The inner liner of rotary kiln that a kind of concrete prefabricated brick makes | |
| CN204461079U (en) | A kind of connection quirk of carbon element anode roasting furnace | |
| CN104596288B (en) | A kind of connection quirk of carbon element anode roasting furnace | |
| CN103791726A (en) | Cement kiln grate cooler toe wall structure capable of saving energy | |
| CN201391020Y (en) | Insulating no heat bridge structure in outer wall | |
| CN102690663A (en) | Dry coke quenching oven annular air duct chain structure combination refractory brick | |
| CN103727782A (en) | High-temperature square tube and manufacturing method thereof | |
| CN205279716U (en) | Plain rotary kiln lining that calcines of charcoal is with prefabricated brick | |
| CN102003878B (en) | Kiln head square tube and manufacturing method thereof | |
| CN107356110A (en) | Masonry of Rotary Kiln structure | |
| CN201686704U (en) | Composite structure integrating cast bricks and veneer bricks of cooling wall | |
| CN104792155B (en) | Rotary kiln mixed type refractory lining installation method | |
| CN204535408U (en) | A kind of prevent rotary kiln fall brick and reduce gas consumption build body structure by laying bricks or stones | |
| CN103292601A (en) | Light-weight energy-saving heat-insulation kiln car | |
| CN103423999B (en) | Charging end wall for heating furnace and construction method of charging end wall | |
| CN203586810U (en) | Reinforced fixed wear-resistant precast brick | |
| CN207095298U (en) | A kind of inner lining structure of fire-proof | |
| CN201229114Y (en) | Ultra-wide beam structure at mouth of furnace | |
| CN202562278U (en) | Anchoring brick | |
| CN203021586U (en) | Blast furnace main iron runner steel shell structure | |
| CN202938648U (en) | Prefabricated brick for inner liner of rotary kiln | |
| CN202530122U (en) | Refractory material structure of trolley of silicon steel annular annealing furnace | |
| CN202022752U (en) | Rotary activating oven lining of activated carbon | |
| CN201104110Y (en) | Rotary kiln inner lining fire-proof material raising brick with novel structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140416 |