CN203695898U - Casting powder roaster - Google Patents
Casting powder roaster Download PDFInfo
- Publication number
- CN203695898U CN203695898U CN201320849817.7U CN201320849817U CN203695898U CN 203695898 U CN203695898 U CN 203695898U CN 201320849817 U CN201320849817 U CN 201320849817U CN 203695898 U CN203695898 U CN 203695898U
- Authority
- CN
- China
- Prior art keywords
- covering slag
- roaster
- baking vessel
- box body
- roasting
- 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
Landscapes
- Baking, Grill, Roasting (AREA)
Abstract
A casting powder roaster comprises a box body, a plurality of trays and a plurality of heating pipes, wherein the box body is cuboid; one side wall of the box body is of a double door structure and each of the rest side walls of the box body is of a sealing cover structure; the cover at each face is formed by two steel plates, namely a cover outer plate and a cover inner plate, and a thermal insulation material fills a gap between the cover outer plate and the cover inner plate; the double door of the box body adopts a double layer structure, and a thermal insulation material fills a gap between the two layers; the inside of the box body is divided into two chambers by a partition; the inner wall of each chamber is provided with a steel plate, so that roasting rooms are formed; two side walls of each roasting room is provided with a plurality of grooves in the height direction; two sides of the trays are arranged on slide blocks in the grooves in two side walls in the roasting room in a sliding manner; the heating pipes are arranged between the steel plates in the two roasting rooms of the box body and the inner plates of the covers. The casting powder roaster disclosed by the utility model is applied to the roasting process of all continuous casting crystallizer casting powder; in addition to providing efficiency casting powder roasting function, newly added casting powder can be pre-heated by residual heat, and thus the energy consumption is reduced; meanwhile, the roasting efficiency of the casting powder is improved.
Description
Technical field
The utility model relates to roaster, particularly a kind of covering slag roaster.
Background technology
Covering slag is that continuous casting is produced the crucial auxiliary material that must use, and crystallizer protecting residue has following effect in continuous casting is produced: the secondary oxidation that prevents Mold; Form a heat insulation layer on Mold surface; Prevent solidifying of Mold surface; Absorb the field trash floating in Mold; Improve the degree of purity of Mold; Gap at crystallizer wall and casting blank solidification shell forms uniform lubricating layer; Prevent sticker type breakout accident; Improve the heat transfer of casting blank solidification shell and crystallizer wall; Reduce the blemish of strand, the how appropriate of covering slag has determined that continuous casting is produced whether safe direct motion and whether surface quality of continuously cast slab reaches technical requirement to a great extent.
In covering slag technical specification, general free water content requires≤0.4%, crystallization water content requirement≤1.0%.In production, if use the covering slag that exceeds standard of moisture, gently cause the subcutaneous formation gas hole defect of slab, heavy cause crystallizer molten steel splash and worsen the serious quality and the production accident that cause because of covering slag serviceability.In production; due to the larger reason of ambient humidity; in the time that the covering slag resting period is long or breakage occurs in packaging bag; the covering slag to be used phenomenon of very easily making moist; according to test, when covering slag is exposed under the open-air atmosphere in summer, after general 1 hour, moisture will rise to more than 3%; in the time that moisture more covering slag contacts high-temperature molten steel in crystallizer, the moisture of separating out fast will bring very big hidden danger to continuous casting production safety and quality.
Need baking covering slag directly to pour in container and then start baking, after baking completes, in container, all covering slags are poured out and are used.From two schemes, in use, may there are some problems:
1, adopt body structure container to hold covering slag, cannot be efficiently, dry-run protection slag completely.Reason one, because casing has certain width and the degree of depth, the thermal source at roaster edge be difficult to heat is conducted to the covering slag that is positioned at container heart portion because covering slag is hot non-conductor; Reason two,, due to the intensive stacking of covering slag in container, also affect inner thermal convection current, also cause the covering slag of container heart portion effectively to be toasted, moisture cannot fully be discharged, and has affected the baking efficiency of roaster.If box volume is larger, this problem is even more serious; If box volume is less, problem also cannot solve completely, and has affected the timely supply of toasting covering slag in casting process.
2, two kinds of roasters all do not relate to the heat insulation function of casing.In bake process, heat directly outwards distributes on roaster surface, except reducing baking efficiency, also caused energy waste, and the roaster surface of high temperature is also a kind of potential safety hazard near operating personnel.
3, two kinds of roasters, all without utilizing baking waste heat to the function and the facility that newly add covering slag to carry out preheating, cannot be realized the maximized object of using energy source.
4, owing to adopting monomer container structure, cannot realize the object that kinds of protect slag toasts at one time, thereby cannot meet the covering slag baking requirement under the production model of many kinds, small lot, use object comparatively single.
China Patent No. 201020109948.8 has designed a kind of at least roaster with 2 covering slag baking vessel, but the mode of its baking covering slag is the method for coal gas and the mixed combustion of compressed air.And in covering slag, disposing certain graphite carbon dust, carbon content is very important chemical index in covering slag design, is used for controlling the thawing speed of covering slag.If adopt the method direct baking covering slag of the mixed combustion of coal gas and compressed air, the carbon in covering slag easily and reacted by airborne oxygen, forms carbon monoxide, causes covering slag carbon content to reduce, and causes covering slag decarburization.Meanwhile, this scheme does not relate to the power saving function such as insulation and recycling residual heat of roaster yet.
Summary of the invention
The purpose of this utility model is to design a kind of covering slag roaster, can be applied to the bake process of all continuous crystallizer protecting slags, except providing high efficiency covering slag toasting performance, can also utilize waste heat to newly adding covering slag to carry out preheating, thereby reduce energy consumption; Meanwhile, improved the baking efficiency of covering slag.
For achieving the above object, the technical solution of the utility model is:
A kind of covering slag roaster, it comprises, one casing, cuboid box, an one sidewall is double swing doors, all the other sidewalls are seal casing structure, every one side of described case is made up of two block plates, form case outside plate and case inner panel, between case outside plate and case inner panel, have space, space is by heat-insulating material filling; The double door of casing one side adopts double-decker, has heat-insulating material filling between bilayer; Box house is divided into independently two chambers by partition, the fan in the corresponding double door of each chamber; Chamber inner wall is established respectively steel plate, forms baking vessel; In baking vessel, two side arranges some grooves of establishing for pallet two sideslips along short transverse interval; Some pallets, are rectangle, stainless steel, and the slide block that is slidedly arranged on two side groove in described baking vessel is established in its both sides; Some heating tubes, are arranged at respectively between described casing Liang Ge baking vessel's steel plate and case inner panel, and the heating tube of Liang Ge baking vessel is established respectively separately controllable switch.
Further, the partition between described Liang Ge baking vessel adopts monoblock type high-alumina refractory prefabricated board.
Again, have the space of 50～100mm between described case outside plate and case inner panel, space is by heat-insulating material filling.
Have again, in each baking vessel, place 5～15 rectangle stainless steel pallets from top to bottom along short transverse.
Described pallet length and width are less than described casing baking vessel inner chamber, and pallet height is 25～45mm.
In addition, described case outside plate is ordinary carbon steel, and case inner panel is austenitic stainless steel.Due to the low thermal conductivity of austenitic stainless steel, so case inner panel itself has formed first thermal protection layer.
The utility model covering slag roaster inside is divided into independently Liang Ge baking vessel, the fan in the corresponding double door of each baking vessel, and the unlatching of any Yishanmen does not affect the running of the affiliated baking vessel of other Yishanmen, and Liang Ge baking vessel toasts and waste heat relation each other.
In each baking vessel, place 5～15 rectangle stainless steel pallets from top to bottom along short transverse; according to the production schedule; can put in order same or covering slag not of the same race toasts; pallet length and width are slightly less than roaster cabinets cavity; pallet height is 25～45mm; can tile for 10 kilograms of covering slags (standard bag weight); the covering slag tiling of 25～45mm highly makes roaster heat can enter fast covering slag inside; make to toast efficiency higher, bake process is more quick, thorough.
Pallet is by being fixed on the slide rail turnover of roaster inwall, is convenient to covering slag and puts into baking and take out ediblely, reduced workman's labour intensity, improved efficiency.
Baking adopts electrical heating form, and within heating tube is placed in case inner panel, the control model that adds the independent switch of thermal recovery of Liang Ge baking vessel, can accomplish independent startup baking or close.
The partition of Liang Ge baking vessel is made up of monoblock type high-alumina refractory prefabricated board, in the time of at the beginning covering slag wherein being toasted of Liang Ge baking vessel, in pallet, covering slag starts progressively to heat up, the baking of high-alumina refractory prefabricated board absorption simultaneously waste heat carries out accumulation of heat, when covering slag temperature rise in pallet is to enough discharges when moisture, high-alumina refractory prefabricated board temperature also raises, the cold conditions baking vessel radiation of not opening heating tube to another simultaneously, conduction heat, cold conditions baking room air can be heated, thereby reach the effect of the cold covering slag of this baking vessel being carried out to waste heat, further reduce baking energy consumption, this process can hocket between Liang Ge baking vessel.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of the utility model embodiment.
Fig. 2 is the cutaway view of the utility model embodiment.
The specific embodiment
Referring to Fig. 1, Fig. 2, a kind of covering slag roaster of the present utility model, it comprises, a casing 1, cuboid box, an one sidewall is double swing doors, all the other sidewalls are seal casing structure, and every one side of described case 11 is made up of two block plates, form case outside plate 111 and case inner panel 112, between case outside plate 111 and case inner panel 112, have space, space is by heat-insulating material 113 fillings; The double door 12 of casing 1 one sides, 12 ' employing double-decker, have heat-insulating material filling between bilayer; Casing 1 inside is divided into independently two chambers 101,102 by cutting off 103, the fan in the corresponding double door of each chamber; Chamber 101(is take chamber 101 as example, lower with) inwall establishes respectively steel plate 13,13 ', forms baking vessel; In baking vessel, two side arranges some grooves 131,131 ' of establishing for 2 liang of sideslips of pallet along short transverse interval; Some pallets 2, are rectangle, stainless steel, and the slide block 21 that is slidedly arranged on two side groove in described baking vessel is established in its both sides; Some heating tubes 3, are arranged at respectively between described casing 1 Liang Ge baking vessel steel plate 13 and case inner panel 112, and the heating tube 3 of Liang Ge baking vessel is established respectively separately controllable switch.
Further, the partition 103 between described Liang Ge baking vessel 101,102 adopts monoblock type high-alumina refractory prefabricated board.
The space that has 50～100mm between described case outside plate 111 and case inner panel 112, space is by heat-insulating material filling.Described case outside plate 111 is ordinary carbon steel, and case inner panel 112 is austenitic stainless steel.
In baking vessel, place 5～15 rectangle stainless steel pallets 2 from top to bottom along short transverse.
Described pallet 2 length and width are less than described casing baking vessel inner chamber, and pallet height is 25～45mm.
With the continuous casting steel billet of a kind of planned production, be specially: 600 tons of A steel grades.
With 0.5 kilogram of covering slag consumption calculations of ton steel, A steel grade needs 300 kilograms of covering slag bakings.Covering slag packaging bag capacity is 10 kilograms/bag, and 30 bags of covering slags are unpacked, and is respectively charged in the stainless steel pallet of covering slag roaster Liang Ge baking vessel, and each pallet packs 1 bag covering slag into, spreads out rear covering slag height 35mm.Close after toaster door, open the heater switch of a side baking vessel, due to the insulation effect of roaster casing, the heat that energising produces has been used in the baking of covering slag substantially, energising Hou Gai baking vessel environment temperature rose until 85 ℃ and keep constant temperature in 10 minutes, because covering slag is only 35mm at pallet inner height, hot-air easily enters covering slag inside and toasts, after 1 hour, in this baking vessel, covering slag baking is complete, operative employee opens the door of this baking vessel, utilizes slide rail to release stainless steel pallet, and covering slag is poured out to use; Simultaneously; the baking although another baking vessel does not switch on; but due to accumulation of heat and the heat transfer effect of monoblock type high-alumina refractory prefabricated board, this baking indoor environment temperature has also reached 50 ℃, now; open the power-on switch of this baking vessel; only need in 30 minutes, covering slag baking is complete, and operative employee opens the door of this baking vessel; utilize slide rail to release stainless steel pallet, covering slag is poured out to use.
The utility model can be applied to the bake process of all continuous crystallizer protecting slags, except providing basic covering slag toasting performance, can also utilize waste heat to carry out preheating to covering slag, thereby reduce energy consumption; Meanwhile, in roaster, covering slag apparatus for placing has also done optimal design, has improved the baking efficiency of covering slag.The difference plan of producing according to continuous casting, provides different covering slags to toast simultaneously or by the possibility of casting sequence baking, has reached the object of reasonable baking covering slag, is a kind of economy, easy-operating covering slag roaster.
Claims (6)
1. a covering slag roaster, is characterized in that, comprise,
One casing, cuboid box, an one sidewall is double swing doors, all the other sidewalls are seal casing structure, and every one side of described case is made up of two block plates, form case outside plate and case inner panel, between case outside plate and case inner panel, have space, space is by heat-insulating material filling; The double door of casing one side adopts double-decker, has heat-insulating material filling between bilayer; Box house is divided into independently two chambers by partition, the fan in the corresponding double door of each chamber; Chamber inner wall is established respectively steel plate, forms baking vessel; In baking vessel, two side arranges some grooves of establishing for pallet two sideslips along short transverse interval;
Some pallets, are rectangle, stainless steel, and the slide block that is slidedly arranged on two side groove in described baking vessel is established in its both sides;
Some heating tubes, are arranged at respectively between described casing Liang Ge baking vessel's steel plate and case inner panel, and the heating tube of Liang Ge baking vessel is established respectively separately controllable switch.
2. covering slag roaster as claimed in claim 1, is characterized in that, the partition between described Liang Ge baking vessel adopts monoblock type high-alumina refractory prefabricated board.
3. covering slag roaster as claimed in claim 1, is characterized in that, has the space of 50～100mm between described case outside plate and case inner panel, and space is by heat-insulating material filling.
4. covering slag roaster as claimed in claim 1, is characterized in that, in each baking vessel, places 5～15 rectangle stainless steel pallets from top to bottom along short transverse.
5. the covering slag roaster as described in claim 1 or 4, is characterized in that, described pallet length and width are less than described casing baking vessel inner chamber, and pallet height is 25～45mm.
6. the covering slag roaster as described in claim 1 or 3, is characterized in that, described case outside plate is ordinary carbon steel, and case inner panel is austenitic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849817.7U CN203695898U (en) | 2013-12-20 | 2013-12-20 | Casting powder roaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849817.7U CN203695898U (en) | 2013-12-20 | 2013-12-20 | Casting powder roaster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203695898U true CN203695898U (en) | 2014-07-09 |
Family
ID=51046397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320849817.7U Expired - Fee Related CN203695898U (en) | 2013-12-20 | 2013-12-20 | Casting powder roaster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203695898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763976A (en) * | 2017-10-24 | 2018-03-06 | 芜湖新兴铸管有限责任公司 | Continuous casting covering slag apparatus for baking |
| CN115069992A (en) * | 2021-03-16 | 2022-09-20 | 宝山钢铁股份有限公司 | Continuous casting production method based on solid-state covering slag preheating |
-
2013
- 2013-12-20 CN CN201320849817.7U patent/CN203695898U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763976A (en) * | 2017-10-24 | 2018-03-06 | 芜湖新兴铸管有限责任公司 | Continuous casting covering slag apparatus for baking |
| CN107763976B (en) * | 2017-10-24 | 2023-09-01 | 芜湖新兴铸管有限责任公司 | Continuous Casting Mold Flux Baking Device |
| CN115069992A (en) * | 2021-03-16 | 2022-09-20 | 宝山钢铁股份有限公司 | Continuous casting production method based on solid-state covering slag preheating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203695898U (en) | Casting powder roaster | |
| CN107779543B (en) | A kind of device and application method using converter slag waste heat preheating scrap and alloy | |
| CN103697672A (en) | Tunnel dryer | |
| CN212645320U (en) | High heat-resistant annular heating furnace | |
| CN102912113A (en) | Continuous microwave kiln for producing enrich titanium materials and method for preparing enrich titanium materials thereof | |
| CN102943142B (en) | Solid-state reduction ilmenite pressing block for producing titanium-rich material and preparation method and application thereof | |
| CN204608213U (en) | A kind of easy to operate silicon ingot crystallizer | |
| CN109128095A (en) | A kind of air injection machine high pressure heat-preserving furnace | |
| CN101928003A (en) | Solar polycrystalline silicon bell-type DS purifying furnace | |
| CN202599046U (en) | Dryer | |
| CN103411422A (en) | Fusion heat preservation combination furnace | |
| CN203464705U (en) | Smelting pouring furnace | |
| CN206352974U (en) | Aluminum melting holding furnace | |
| CN207592741U (en) | A kind of online heat accumulating type heat patching device of continuous casting billet | |
| CN207047301U (en) | A kind of debinding furnace for being used to produce hard alloy | |
| CN215217229U (en) | Device for reducing fused magnesia energy consumption by utilizing waste heat drying system | |
| CN205897841U (en) | Metallurgical smelting furnace of copper scrap | |
| CN113976827B (en) | Gypsum type investment casting dry dewaxing device and dewaxing method | |
| CN201289270Y (en) | High-temperature vertical material-drying furnace | |
| CN217636750U (en) | Energy-saving heat treatment furnace for magnesia carbon bricks | |
| CN219931387U (en) | Building honeycomb type insulating brick | |
| CN220793856U (en) | Firing furnace with energy-saving function for firing ceramic | |
| CN218380460U (en) | Roasting furnace peripheral wall inner lining structure | |
| CN209736600U (en) | Three-chamber energy-saving holding furnace for die casting | |
| CN219788775U (en) | Centralized annealing insulation can for fused brick production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140709 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |