CN206281352U - A kind of body of heater of steel slag cracking furnace - Google Patents
A kind of body of heater of steel slag cracking furnace Download PDFInfo
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- CN206281352U CN206281352U CN201621378771.5U CN201621378771U CN206281352U CN 206281352 U CN206281352 U CN 206281352U CN 201621378771 U CN201621378771 U CN 201621378771U CN 206281352 U CN206281352 U CN 206281352U
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- heater
- working lining
- joist
- circle
- band
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model belongs to slag comprehensive utilization technical field, is a kind of body of heater of steel slag cracking furnace, with converter body support platform, body of heater is provided with converter body support platform, and the top of body of heater is equipped with bell, and bottom is equipped with drawing mechanism, particularly：The body of heater has upright columnar structured, body of heater ecto-entad is followed successively by furnace shell, thermal insulation layer, working lining, furnace interior is followed successively by steam bath cold belt from top to bottom, spraying quickly cooling band, the stewing cracking band of heat, working lining corresponding to above-mentioned three band is respectively by upper, lower two joist circles are separated, the radial dimension of the joist circle is identical with working lining radial dimension, upper joist circle is located between steam bath cold belt working lining and spraying quickly cooling band working lining, lower joist circle is located between spraying quickly cooling band working lining and the stewing cracking band working lining of heat, it is separately installed with upper joist circle and lower joist circle, the cross spandrel girder of lower floor；The utility model simple structure, it is safe and reliable, it is ensured that steel slag cracking furnace failure-free operation more than 10 years.
Description
Technical field
The utility model is related to slag comprehensive utilization technical field, especially a kind of body of heater of steel slag cracking furnace.
Background technology
The stewing cracking technology of cracking oven process hot steel slag heat be temperature be up to more than 1000 DEG C hot steel slag low-carbon (LC), environmental protection,
The efficient state-of-the-art technology that utilizes, its technological principle is during hot steel slag poured into steel slag cracking furnace, vehement in steel slag cracking furnace
The processes such as the successively experience steam bath from top to bottom of hot slag is cold, misting cooling, heat stewing cracking, waste heat recovery.
In steam bath cold belt, newly pour into the temperature in steel slag cracking furnace and be up to more than 1000 DEG C of hot steel slag and come from
The low-temperature saturated steam bath of misting cooling band is cold, and slag temperature is rapidly reduced to less than 800 DEG C, including slag by more than 1000 DEG C
Tentatively crushed in the presence of outer thermal (temperature difference) stress；In water-spraying control band, the middle temperature to temperature below 800 DEG C from top to down
Slag surface atomizing is sprayed water, and slag temperature is further reduced, and at the same time the f-CaO in slag and f-MgO occurs violent
Hydration reaction generates Ca (OH) 2 and Mg (OH) 2 and produces volumetric expansion, and swelling stress makes slag further be crushed；It is stewing in heat
Cracking band, the water that slag is injected into continues cool to less than 80 DEG C, and f-CaO therein and f-MgO continues hydration swelling and makes steel
Slag is cracked completely.
During hot steel slag experiences the stewing cracking band of steam bath cold belt, misting cooling band, heat from top to bottom, penetrating
Water is heated vaporization, and steam through the stewing cracking band of overheat, misting cooling band and steam bath cold belt, is finally arranged by furnace roof from bottom to top
Go out, and be imported into low-temp low-pressure saturated vapor heat reclaiming system, so as to realize the recycling of hot steel slag sensible heat.
Hot steel slag steel slag cracking furnace interior to experience successively steam bath it is cold, spraying speed it is hot and cold it is stewing cracking three processes,
It is a temperature by more than 1000 DEG C to less than the 80 DEG C processes gradually lowered the temperature, while the steam produced in steel slag cracking furnace is in warp
During going through the stewing cracking band of heat, spraying quickly cooling band, steam bath cold belt, temperature rises to 300 DEG C or so by 100 DEG C or so, this
Require steel slag cracking furnace inner lining structure and material will can be unlikely to deform at high temperature, and with well insulation, every
Hot property, while abrasion of the slag in folding process and the chemical erosion in dust-contained airflow are also resistant to, to realize slag
The long-lived operation of pyrolysis furnace.
The content of the invention
The purpose of this utility model aiming at current existing steel slag cracking furnace body inner lining structure and material in height
The warm lower life-span is not high, easy temperature distortion, the problem damaged, there is provided a kind of body of heater of steel slag cracking furnace.
The technical solution of the utility model is：A kind of body of heater of steel slag cracking furnace, with converter body support platform, converter body support platform
On body of heater is installed, the top of body of heater is equipped with bell, and bottom is equipped with drawing mechanism, particularly：The body of heater has upright circle
Tubular construction, body of heater ecto-entad is followed successively by furnace shell, thermal insulation layer, working lining, and it is cold that furnace interior is followed successively by steam bath from top to bottom
Band, spraying quickly cooling band, the stewing cracking band of heat, the working lining corresponding to above-mentioned three band are separated by upper and lower two joist circles respectively, institute
The radial dimension for stating joist circle is identical with working lining radial dimension, and upper joist circle is located at steam bath cold belt working lining and spraying quickly cooling
Between band working lining, lower joist circle is located at spraying quickly cooling between working lining and the stewing cracking band working lining of heat, and upper joist circle is with
The cross spandrel girder of upper and lower layer is separately installed with joist circle.
Working lining described in the utility model is pre-formed using High-Alumina or clay refractory casting material, and prefabricated section is high
Spend for 200~500mm is contour, radial dimension is that 350~500mm is isometric, and radian presses prefabricated component size, per 20~50 pieces of deciles of ring
360 °, prefabricated component is built by laying bricks or stones using lifting, makes the concentricity in each cross section in stove highly consistent, and kiln inner working face is smooth without faulting of slab ends shape
Into straight barrel type structure.
The thickness of thermal insulation layer described in the utility model is that light heat insulation material, institute are filled with 10~200mm, thermal insulation layer
Light heat insulation material is stated for any one or a few in granulated blast-furnace slag, expanded perlite, asbestos, glass fibre, pearl of floaing.
The material of joist circle described in the utility model is heat resisting steel or cast iron, and thickness is 10~100mm.
The material of furnace shell described in the utility model is steel or concrete or brickwork construction.
Working lining interior smooth of the present utility model can prevent encephalic from getting stuck, and reduce slag folding process without faulting of slab ends
In abrasion to working lining, while also enable dust-contained airflow smoothly rise, between steel slag cracking furnace furnace shell and working lining
Thermal insulation layer filling light thermal insulation material, makes steel slag cracking furnace skin temperature be maintained at less than 60 DEG C；In steel slag cracking furnace interior, will
Working lining drags Liang Quan to separate by upper and lower two, and one cross spandrel girder of each placement on Liang Quan is dragged at upper and lower two, makes
The steam bath cold belt of steel slag cracking furnace interior, spraying quickly cooling band and popular cracking band three bear working lining each point with relatively independent
Lotus is balanced, and meet working lining load balancing and it is uniform sink the need for.
The utility model simple structure, reliable operation, working lining uses High-Alumina or clay refractory casting material prefabricated section,
With good thermal shock resistance, excellent high temperature resistant, preventing hydration and thermal and insulating performance, furnace binding of the present utility model can
Ensure steel slag cracking furnace failure-free operation more than 10 years.
Brief description of the drawings
Fig. 1 is that master of the present utility model cuts open schematic diagram；
Fig. 2 is the A-A profiles of Fig. 1；
Fig. 3 is the B-B profiles of Fig. 1.
In figure, 1-converter body support platform, 2-body of heater, 3-bell, 4-drawing mechanism, 5-furnace shell, 6-thermal insulation layer, 7-
Working lining, 8-steam bath cold belt, 9-spraying quickly cooling band, the stewing cracking band of 10-heat, 11-upper joist circle, 12-lower joist circle,
The cross spandrel girder in 13-upper strata, the cross spandrel girder of 14-lower floor.
Specific embodiment
Embodiment 1
Referring to Fig. 1-Fig. 3, the technical solution of the utility model is：A kind of body of heater of steel slag cracking furnace, with converter body support
Platform 1, is provided with body of heater 2 on converter body support platform 1, the top of body of heater 2 is equipped with bell 3, and bottom is equipped with drawing mechanism 4, particularly：Institute
Stating body of heater 2 has upright columnar structured, and the ecto-entad of body of heater 2 is followed successively by furnace shell 5, thermal insulation layer 6, working lining 7, in body of heater 1
Portion is followed successively by the stewing cracking band 10 of steam bath cold belt 8, spraying quickly cooling band 9, heat, the working lining point corresponding to above-mentioned three band from top to bottom
Do not separated by upper and lower two joist circles 11 and 12, the radial dimension of the joist circle is identical with working lining radial dimension, pop-up
Beam circle 11 is located between the working lining of steam bath cold belt 8 and spraying quickly cooling 9 working linings of band, and lower joist circle 12 is located at spraying quickly cooling band 9
Between working lining and heat 10 working linings of stewing cracking band, upper and lower layer cross is separately installed with upper joist circle 11 and lower joist circle 12
Type spandrel girder 13 and 14.
Working lining 7 described in the present embodiment is pre-formed using High-Alumina or clay refractory casting material, and prefabricated section is high
Spend for 200~500mm is contour, radial dimension is that 350~500mm is isometric, and radian presses prefabricated component size, per 20~50 pieces of deciles of ring
360 °, prefabricated component is built by laying bricks or stones using lifting, makes the concentricity in each cross section in stove highly consistent, and kiln inner working face is smooth without faulting of slab ends shape
Into straight barrel type structure.Specific prefabricated tile height is 300mm in the present embodiment, and radial dimension is 360mm, and radian presses every 30 pieces of ring etc.
Divide 360 °.
The thickness of thermal insulation layer 6 described in the present embodiment is that light heat insulation material, institute are filled with 10~200mm, thermal insulation layer 6
State any one or a few during light heat insulation material floats for granulated blast-furnace slag, expanded perlite, asbestos, glass fibre, pearl.
The thickness of specific thermal insulation layer is 50mm in the present embodiment, and light heat insulation material used is granulated blast-furnace slag.
The thickness of upper and lower joist circle described in the present embodiment is 10~100mm.It is specifically upper and lower in the present embodiment to drag Liang Quan
Thickness be 60mm, material is cast iron.
The material of furnace shell 5 described in the present embodiment is steel or concrete or brickwork construction.Furnace shell is to adopt in the present embodiment
Rolled with steel plate and formed.
Claims (5)
1. a kind of body of heater of steel slag cracking furnace, with converter body support platform, is provided with body of heater, the top dress of body of heater on converter body support platform
There is bell, bottom is equipped with drawing mechanism, it is characterised in that：The body of heater has upright columnar structured, body of heater ecto-entad
Furnace shell, thermal insulation layer, working lining are followed successively by, furnace interior is followed successively by steam bath cold belt, spraying quickly cooling band, the stewing cracking of heat from top to bottom
Band, the working lining corresponding to above-mentioned three band is separated by upper and lower two joist circles respectively, the radial dimension and work of the joist circle
Make lining radial dimension identical, upper joist circle is located between steam bath cold belt working lining and spraying quickly cooling band working lining, lower joist circle
Between spraying quickly cooling band working lining and the stewing cracking band working lining of heat, be separately installed with upper joist circle and lower joist circle,
The cross spandrel girder of lower floor.
2. the body of heater of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：The working lining is to use high alumina
Matter or clay refractory casting material are pre-formed, and prefabricated tile height is that 200~500mm is contour, and radial dimension is 350~500mm
Isometric, radian presses prefabricated component size, and 360 ° are divided per 20~50 pieces of grades of ring, and prefabricated component is built by laying bricks or stones using lifting, makes each cross section in stove
Concentricity it is highly consistent, kiln inner working face it is smooth without faulting of slab ends formed straight barrel type structure.
3. the body of heater of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：The thickness of the thermal insulation layer is 10
~200mm, is filled with light heat insulation material in thermal insulation layer, the light heat insulation material be granulated blast-furnace slag, expanded perlite,
Any one or a few in asbestos, glass fibre, pearl of floaing.
4. the body of heater of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：The thickness of the joist circle is 10
~100mm.
5. the body of heater of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：The material of the furnace shell is steel
Or concrete or brickwork construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378771.5U CN206281352U (en) | 2016-12-15 | 2016-12-15 | A kind of body of heater of steel slag cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378771.5U CN206281352U (en) | 2016-12-15 | 2016-12-15 | A kind of body of heater of steel slag cracking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281352U true CN206281352U (en) | 2017-06-27 |
Family
ID=59072381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621378771.5U Active CN206281352U (en) | 2016-12-15 | 2016-12-15 | A kind of body of heater of steel slag cracking furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281352U (en) |
-
2016
- 2016-12-15 CN CN201621378771.5U patent/CN206281352U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180926 Address after: Room 8, North of District B, 8th Floor, Culture Road, Maba Town, Qujiang District, Shaoguan City, Guangdong Province Patentee after: SHAOGUAN QUJIANG SHENGDA METALLURGICAL SLAG ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 435000 Ma Ling Shan mining area, Yin Zu Town, Daye City, Huangshi, Hubei Patentee before: DAYE HUANYU CALCIUM INDUSTRY TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right |