CN109443012A - A kind of novel concrete preheater inner barrel mounting structure - Google Patents
A kind of novel concrete preheater inner barrel mounting structure Download PDFInfo
- Publication number
- CN109443012A CN109443012A CN201811528738.XA CN201811528738A CN109443012A CN 109443012 A CN109443012 A CN 109443012A CN 201811528738 A CN201811528738 A CN 201811528738A CN 109443012 A CN109443012 A CN 109443012A
- Authority
- CN
- China
- Prior art keywords
- parts
- inner barrel
- mounting structure
- hanging
- novel concrete
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 8
- 239000011230 binding agent Substances 0.000 claims abstract description 8
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000006229 carbon black Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 7
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000005245 sintering Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3821—Boron carbides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/424—Carbon black
Abstract
The invention discloses a kind of novel concrete preheater inner barrel mounting structures; including ring flange, heat resisting steel, Piece hanging holder and hanging strip; the upper and lower ends of the heat resisting steel are separately installed with the Piece hanging holder of ring flange and vertical installation; the castable as protective layer is poured on the outside of the ring flange and heat resisting steel; it is mounted on the Piece hanging holder using hanging strip made of thyrite, the hanging strip includes the following raw material according to parts by weight: 4-6 parts of green silicon carbide, 2-3 parts of boron carbide, 0.7-1 parts of carbon black, 0.9-1.1 parts of binder.The present invention can avoid Piece hanging holder bottom and be in contact with hanging strip the impact at position, improve the safety of preheater inner barrel.
Description
Technical field
The present invention relates to preheater technical field, specifically a kind of novel concrete preheater inner barrel mounting structure.
Background technique
Preheater is exactly to pass through internal cooling fin using the flue gas in boiler back end ductwork for the air before entering boiler
It is preheating to the heating surface of certain temperature.For improving the heat exchange performance of boiler, energy consumption is reduced.It is commonly abbreviated as empty pre-
Device is chiefly used in coal-burning boiler, and application in the boiler is generally three warehouse separated types.
Existing cement preheater inner tube installation mode: the damaged portions for being present in Piece hanging holder bottom and being in contact with ceramic hanging strip more
Position, being broken, which once occurs, in this position substantially reduces the safety of entire preheater inner barrel.The present invention is primarily directed to this phenomenon
The safety of preheater inner barrel is improved, this phenomenon is mostly the impact hanging strip top of uptake flue skinning, bulk material and refractory brick
Caused by.Therefore, for the above status, there is an urgent need to develop a kind of novel concrete preheater inner barrel mounting structures, are worked as with overcoming
Deficiency in preceding practical application.
Summary of the invention
The purpose of the present invention is to provide a kind of novel concrete preheater inner barrel mounting structures, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of novel concrete preheater inner barrel mounting structure, including ring flange, heat resisting steel, Piece hanging holder and hanging strip, it is described resistance to
The upper and lower ends of hot steel are separately installed with the Piece hanging holder of ring flange and vertical installation, pour on the outside of the ring flange and heat resisting steel
There is the castable as protective layer, is mounted on the Piece hanging holder using hanging strip made of thyrite, it is described
Hanging strip includes the following raw material according to parts by weight: 4-6 parts of green silicon carbide, 2-3 parts of boron carbide, 0.7-1 parts of carbon black, binder 0.9-
1.1 part.
As a further solution of the present invention: the cross section of the heat resisting steel is square.
As a further solution of the present invention: the upper end of the Piece hanging holder is extend into heat resisting steel, the upper end card of Piece hanging holder
Position is installed with the first bolt, and the upper end of the first bolt passes through from ring flange and is connected with the first nut.
As a further solution of the present invention: each hanging strip is connected and fixed by two the second bolts with Piece hanging holder, institute
The second bolt is stated to sequentially pass through from hanging strip and Piece hanging holder and be connected with the second nut.
As a further solution of the present invention: being also equipped with protective case on the outside of second bolt and the second nut.
As a further solution of the present invention: the hanging strip includes the following raw material according to parts by weight: 5 parts of green silicon carbide,
2.5 parts of boron carbide, 0.85 part of carbon black, 1 part of binder；Weigh green silicon carbide, boron carbide, carbon black and the binder of the ratio into
Row high temperature sintering, sintering temperature are 1600-1800 DEG C, obtain hanging strip.
A kind of preheater including the novel concrete preheater inner barrel mounting structure.
Compared with prior art, the beneficial effects of the present invention are: the novel concrete preheater inner barrel mounting structure, Piece hanging holder
Mounting means is changed to vertical installation, and hanging strip is installed on Piece hanging holder bottom, Piece hanging holder and accessory (heat resisting steel square steel) outside
It encloses and uses castable as protective layer, and using hanging strip made of thyrite；It can avoid Piece hanging holder bottom and hang
Item is in contact the impact at position, improves the safety of preheater inner barrel.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: the first nut of 1-, 2- ring flange, the first bolt of 3-, 4- heat resisting steel, 5- castable, 6- protective case, 7- pendant
Seat, 8- hanging strip, the second bolt of 9-, the second nut of 10-.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Embodiment 1
Referring to Fig. 1, in the embodiment of the present invention, a kind of novel concrete preheater inner barrel mounting structure, including ring flange 2,
The cross section of heat resisting steel 4, Piece hanging holder 7 and hanging strip 8, the heat resisting steel 4 is in square or rectangular, the upper and lower ends of heat resisting steel 4
It is separately installed with the Piece hanging holder 7 of ring flange 2 and vertical installation, the outside of the ring flange 2 and heat resisting steel 4 has poured castable 5,
Castable 5 is used as protective layer, is mounted on the Piece hanging holder 7 using hanging strip 8 made of thyrite.
Embodiment 2
Referring to Fig. 1, the present embodiment difference from example 1 is that:
In the present embodiment, the upper end of the Piece hanging holder 7 is extend into heat resisting steel 4, and the upper clip portion of Piece hanging holder 7 is installed with
The upper end of one bolt 3, the first bolt 3 passes through from ring flange 2 and is connected with the first nut 1, passes through the first nut 1 and the first bolt
3 realize being connected and fixed for ring flanges 2, heat resisting steel 4 and Piece hanging holder 7.
In the present embodiment, each hanging strip 8 is connected and fixed by two the second bolts 9 with Piece hanging holder 7, second bolt
9 sequentially pass through from hanging strip 8 and Piece hanging holder 7 and are connected with the second nut 10, realize hanging strip by the second bolt 9 and the second nut 10
The outside of being connected and fixed between 8 and Piece hanging holder 7, second bolt 9 and the second nut 10 is also equipped with protective case 6, passes through
Protective case 6 can extend the service life of the second bolt 9 and the second nut 10.
In the present embodiment, the hanging strip 8 uses reaction-sintering SIC/BC material, and it is wilful that the hanging strip 8 of same model increases it
About 1/3, the formula of hanging strip 8 are as follows: 4-6 parts of green silicon carbide, 2-3 parts of boron carbide, 0.7-1 parts of carbon black, about 1 part of various binders；Into
Row high temperature sintering, 1600-1800 DEG C of sintering temperature.
The novel concrete preheater inner barrel mounting structure, 7 mounting means of Piece hanging holder are changed to vertical installation, and hanging strip 8 is installed on
It uses castable 5 as protective layer in Piece hanging holder 7 and accessory (4 square steel of heat resisting steel) periphery, and adopts in 7 bottom of Piece hanging holder
Hanging strip 8 made of thyrite；It can avoid 7 bottom of Piece hanging holder to be in contact with hanging strip 8 impact at position, improve pre-
The safety of hot device inner cylinder.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention
It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.
Claims (7)
1. a kind of novel concrete preheater inner barrel mounting structure, including ring flange (2), heat resisting steel (4), Piece hanging holder (7) and hanging strip
(8), which is characterized in that the upper and lower ends of the heat resisting steel (4) are separately installed with the Piece hanging holder of ring flange (2) and vertical installation
(7), the castable (5) as protective layer is poured on the outside of the ring flange (2) and heat resisting steel (4), on the Piece hanging holder (7)
It is mounted with using hanging strip (8) made of thyrite, the hanging strip (8) includes the following original according to parts by weight
Material: 4-6 parts of green silicon carbide, 2-3 parts of boron carbide, 0.7-1 parts of carbon black, 0.9-1.1 parts of binder.
2. novel concrete preheater inner barrel mounting structure according to claim 1, which is characterized in that the heat resisting steel (4)
Cross section it is square.
3. novel concrete preheater inner barrel mounting structure according to claim 1 or 2, which is characterized in that the Piece hanging holder
(7) upper end is extend into heat resisting steel (4), and the upper clip portion of Piece hanging holder (7) is installed with the first bolt (3), the first bolt (3)
Upper end passes through from ring flange (2) and is connected with the first nut (1).
4. novel concrete preheater inner barrel mounting structure according to claim 3, which is characterized in that each hanging strip (8)
Be connected and fixed by two the second bolts (9) with Piece hanging holder (7), second bolt (9) from hanging strip (8) and Piece hanging holder (7) according to
It is secondary to pass through and be connected with the second nut (10).
5. novel concrete preheater inner barrel mounting structure according to claim 4, which is characterized in that second bolt
(9) and on the outside of the second nut (10) it is also equipped with protective case (6).
6. novel concrete preheater inner barrel mounting structure according to claim 3, which is characterized in that hanging strip (8) packet
Include the following raw material according to parts by weight: 5 parts of green silicon carbide, 2.5 parts of boron carbide, 0.85 part of carbon black, 1 part of binder；Weigh green carbon
SiClx, boron carbide, carbon black and binder carry out high temperature sintering, and sintering temperature is 1600-1800 DEG C, obtain hanging strip (8).
7. purposes of the novel concrete preheater inner barrel mounting structure as claimed in any one of claims 1 to 6 in preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528738.XA CN109443012A (en) | 2018-12-13 | 2018-12-13 | A kind of novel concrete preheater inner barrel mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528738.XA CN109443012A (en) | 2018-12-13 | 2018-12-13 | A kind of novel concrete preheater inner barrel mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443012A true CN109443012A (en) | 2019-03-08 |
Family
ID=65558773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528738.XA Pending CN109443012A (en) | 2018-12-13 | 2018-12-13 | A kind of novel concrete preheater inner barrel mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443012A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06145759A (en) * | 1992-10-30 | 1994-05-27 | Kawasaki Refract Co Ltd | Method for changing nozzle for blowing furnace bottom gas in molten metal furnace |
| KR20020067257A (en) * | 2001-02-16 | 2002-08-22 | 한국에너지기술연구원 | Manufacturing method of silicon cabide-boron carbide composites by liquid phase reaction sintering |
| KR200294575Y1 (en) * | 2002-08-05 | 2002-11-16 | 김진희 | Hook inserting type hanger and supporting flame of the same |
| US20110009255A1 (en) * | 2005-12-22 | 2011-01-13 | Coorstek, Inc. | Boron-silicon-carbon ceramic materials and method of making |
| CN102278891A (en) * | 2011-08-18 | 2011-12-14 | 江苏华信达特钢科技有限公司 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
| CN103424000A (en) * | 2013-08-20 | 2013-12-04 | 中材建设有限公司 | Ceramic inner cylinder of preheater |
-
2018
- 2018-12-13 CN CN201811528738.XA patent/CN109443012A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06145759A (en) * | 1992-10-30 | 1994-05-27 | Kawasaki Refract Co Ltd | Method for changing nozzle for blowing furnace bottom gas in molten metal furnace |
| KR20020067257A (en) * | 2001-02-16 | 2002-08-22 | 한국에너지기술연구원 | Manufacturing method of silicon cabide-boron carbide composites by liquid phase reaction sintering |
| KR200294575Y1 (en) * | 2002-08-05 | 2002-11-16 | 김진희 | Hook inserting type hanger and supporting flame of the same |
| US20110009255A1 (en) * | 2005-12-22 | 2011-01-13 | Coorstek, Inc. | Boron-silicon-carbon ceramic materials and method of making |
| CN102278891A (en) * | 2011-08-18 | 2011-12-14 | 江苏华信达特钢科技有限公司 | Preheater cyclone internal cylinder with steel strips made of super-strong heat resistant steel |
| CN103424000A (en) * | 2013-08-20 | 2013-12-04 | 中材建设有限公司 | Ceramic inner cylinder of preheater |
Non-Patent Citations (1)
| Title |
|---|
| "《JC/T 2408—2017中华人民共和国建材行业标准--水泥预热器陶瓷内筒通用技术要求》", 中华人民共和国工业和信息化部, pages: 1 - 4 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |