CN108120276A - For producing the pushed bat kiln of VN alloy - Google Patents
For producing the pushed bat kiln of VN alloy Download PDFInfo
- Publication number
- CN108120276A CN108120276A CN201711364502.2A CN201711364502A CN108120276A CN 108120276 A CN108120276 A CN 108120276A CN 201711364502 A CN201711364502 A CN 201711364502A CN 108120276 A CN108120276 A CN 108120276A
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- China
- Prior art keywords
- kiln
- calcining
- pushed bat
- alloy
- isolating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/22—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on rails, e.g. under the action of scrapers or pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
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- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
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- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/06—Composite bricks or blocks, e.g. panels, modules
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- 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
- F27D9/00—Cooling of furnaces or of charges therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3623—Heaters located under the track
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- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0072—Cooling of charges therein the cooling medium being a gas
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- 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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0081—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge)
- F27D2009/0083—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Charging Or Discharging (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a kind of pushed bat kilns, especially disclose a kind of pushed bat kiln for being used to produce VN alloy, belong to metallurgical production equipment design-build technical field.A kind of pushed bat kiln for being used to produce VN alloy that can effectively prevent kiln body inside wall erosion and then extend service life of equipment is provided.The pushed bat kiln includes heating system and the pushed bat kiln body of furnace chamber is smelted containing calcining, the calcining smelts furnace chamber and passes through the heating system heats, the calcining smelts furnace chamber and is divided into low-temperature zone, changeover portion, high temperature section and cooling section along calcining materials flow direction, the pushed bat kiln further includes isolating and protecting system, and the madial wall that furnace chamber is smelted in the calcining is coated by the isolating and protecting system.
Description
Technical field
The present invention relates to a kind of pushed bat kilns, more particularly, to a kind of for producing the pushed bat kiln of VN alloy, belong to metallurgical
Production equipment design-build technical field.
Background technology
VN alloy is a kind of important vanadium alloy additive, it add in steel can improve the wearability of steel, corrosion resistance,
The comprehensive mechanical properties such as toughness, intensity, ductility, hardness and fatigue resistance, and enable steel that there is good weldability.Especially
It is that VN alloy can effectively strengthen and crystal grain thinning in high intensity, low-alloy steel, micro alloyed steel and other special steels,
It saves containing vanadium raw materials, so as to reduce STEELMAKING PRODUCTION cost.
Recently, the agglomerating plant of domestic production VN alloy mainly has pushed bat kiln, shaft furnace and vacuum drying oven.Shaft furnace and vacuum drying oven
VN alloy yield and quality, indicator of power consumption are produced not as good as two pass pushed bat kiln, and product is oxidizable.Production VN alloy at present
Mainstream agglomerating plant for dou-ble-pusher kiln, but dou-ble-pusher kiln collapses in process of production there are still cover board, track corrosion is recessed etc.
Problem causes the dou-ble-pusher kiln cost of overhaul high, and service life is short.
The content of the invention
The technical problems to be solved by the invention are：Offer one kind can effectively prevent wall erosion on the inside of kiln body and then extension is set
The pushed bat kiln for being used to produce VN alloy of standby service life.
Used technical solution is to solve above-mentioned technical problem：A kind of pushed bat kiln for being used to produce VN alloy, bag
It includes heating system and the pushed bat kiln body of furnace chamber is smelted containing calcining, the calcining smelts furnace chamber and passes through the heating system
Heating, the calcining smelts furnace chamber and is divided into low-temperature zone, changeover portion, high temperature section and cooling section along calcining materials flow direction, described
Pushed bat kiln further includes isolating and protecting system, and the madial wall that furnace chamber is smelted in the calcining is coated by the isolating and protecting system.
The beneficial effects of the invention are as follows：The application coats one layer of isolating and protecting on the madial wall by smelting furnace chamber in calcining
System realizes that corrosive water, gas substance are isolated with this body sidewall of pushed bat kiln, makes so as to effectively prevent kiln body madial wall
With being corroded in the process by substances such as high temperature, the water of high humidity, gas, and then extension service life of equipment.
It is further that the pushed bat kiln body further includes kiln wall and track, the track is arranged on the push plate
On the bottom side kiln wall of kiln body, the heating system includes being arranged between the isolating and protecting system and the bottom side kiln wall
Heating element.
Said program it is preferable that, the pushed bat kiln further includes heating chamber, and the heating element passes through described
Heating chamber be arranged between the isolating and protecting system and the bottom side kiln wall.
It is further that the calcining of low-temperature zone smelts furnace chamber and calcining materials flow direction order is provided with 4 temperature controls
Area, kiln wall, isolating and protecting system, heating chamber and the track of each temperature controlled region of low-temperature zone are made of silicon nitride composite material.
It is further that the calcining of changeover portion smelts furnace chamber and calcining materials flow direction order is provided with 6 temperature controls
Area, kiln wall, isolating and protecting system and the track of each temperature controlled region of changeover portion are built by laying bricks or stones by electrically fused magnesite brick, changeover portion it is each
The heating chamber of a temperature controlled region is made of silicon nitride material.
It is further that the calcining of high temperature section smelts furnace chamber and calcining materials flow direction order is provided with 10 temperature controls
Area, kiln wall, isolating and protecting system, heating chamber and the track of each temperature controlled region of high temperature section are made of silicon nitride composite material.
It is further that the calcining of cooling section smelts furnace chamber and is divided into nitrogen cooling zone and water cooling along calcining materials flow direction
Area, kiln wall, isolating and protecting system and the track of nitrogen cooling zone are made of silicon nitride composite material, and the burner hearth in water cooling area is by gold
Belong to material to be made.
It is further to be also disposed with by the heating chamber between top side kiln wall and isolating and protecting system described
Heating element.
Said program it is preferable that, the pushed bat kiln further includes temperature element, and the temperature element is from left side
The calcining is penetrated at kiln wall and/or right side kiln wall to smelt in furnace chamber.
Description of the drawings
Fig. 1 is the main sectional view that the present invention is used to produce the pushed bat kiln of VN alloy；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
Fig. 4 is the C-C sectional views of Fig. 1；
Fig. 5 is the D-D sectional views of Fig. 1.
In figure mark for：Heating system 1, calcining smelt furnace chamber 2, low-temperature zone 3, changeover portion 4, high temperature section 5, cooling section 6, every
From guard system 7, kiln wall 8, track 9, heating element 10, heating chamber 11, nitrogen cooling zone 12, water cooling area 13, temperature element 14.
Specific embodiment
It is that one kind provided by the invention can effectively prevent wall erosion on the inside of kiln body and then extend equipment as shown in Fig. 1~Fig. 5
The pushed bat kiln for being used to produce VN alloy of service life.The pushed bat kiln includes heating system 1 and containing calcining smelting kiln
The pushed bat kiln body of chamber 2, the calcining are smelted furnace chamber 2 and are heated by the heating system 1, and furnace chamber is smelted in the calcining
2 are divided into low-temperature zone 3, changeover portion 4, high temperature section 5 and cooling section 6 along calcining materials flow direction, and it is anti-that the pushed bat kiln further includes isolation
Protecting system 7, the madial wall that furnace chamber 2 is smelted in the calcining are coated by the isolating and protecting system 7.The application is by calcining
It smelts and one layer of isolating and protecting system is coated on the madial wall of furnace chamber to realize corrosive water, gas substance and pushed bat kiln this body sidewall
Isolation is corroded, Jin Erda by substances such as high temperature, the water of high humidity, gas in use so as to effectively prevent kiln body madial wall
Extension service life of equipment is arrived.
In the above embodiment, kiln wall 8 and track 9 are further included with reference to the pushed bat kiln body, the track 9 is set
The heating system 1 is arranged to include arrangement by the design feature on the bottom side kiln wall of the pushed bat kiln body, the application
The structure of heating element 10 between the isolating and protecting system 7 and the bottom side kiln wall.Heating chamber 11 is especially added again,
Make the heating element 10 by the heating chamber be arranged in the isolating and protecting system and the bottom side kiln wall it
Between.In this way, the isolating and protecting system not only protects the kiln wall for forming pushed bat kiln body, but also protect heating chamber 11 well
And the heating element 10 in the heating chamber 11 is arranged in, realize the double protections of weight again to heating element 10.Meanwhile according to existing
There is the characteristics of pushed bat kiln, be also disposed with by the heating chamber 11 between top side kiln wall and isolating and protecting system 7 described
Heating element 10, to realize the uniformity heated to calcining smelting furnace chamber 2 and improve the efficiency of heating surface to greatest extent.
Further, according to the different warm areas and function of different heating section, the application smelts furnace chamber 2 to forming to calcine
Kiln wall 8, isolating and protecting system 7, heating chamber 11 and 9 material of track are distinguished, and to reduce production cost, facilitate subsequent dimension
Maintenance is repaiied, i.e. the calcining smelting furnace chamber 2 of low-temperature zone 3 is provided with 4 temperature controlled regions, low-temperature zone along calcining materials flow direction order
Kiln wall 8, isolating and protecting system 7, heating chamber 11 and the track 9 of 3 each temperature controlled region are made of silicon nitride composite material；Transition
Be provided with 6 temperature controlled regions of the furnace chamber 2 along calcining materials flow direction order, each temperature controlled region of changeover portion 4 are smelted in the calcining of section 4
Kiln wall 8, isolating and protecting system 7 and track 9 built by laying bricks or stones by electrically fused magnesite brick, the heating chamber of each temperature controlled region of changeover portion 4
11 are made of silicon nitride material；The calcining of high temperature section 5 smelts furnace chamber 2 and calcining materials flow direction order is provided with 10 temperature
Area is controlled, kiln wall 8, isolating and protecting system 7, heating chamber 11 and the track 9 of each temperature controlled region of high temperature section 5 are by silicon nitride composite wood
Material is made；The calcining of cooling section 6 smelts furnace chamber 2 and is divided into nitrogen cooling zone 12 and water cooling area 13, nitrogen along calcining materials flow direction
Kiln wall 8, isolating and protecting system 7 and the track 9 in air cooling area 12 are made of silicon nitride composite material, the burner hearth in water cooling area 13 by
Metal material is made.
In conclusion the above-mentioned technical proposal provided using the application has following advantageous effect：
1st, due to be normally controlled in low-temperature zone temperature 400~700 DEG C of warm area using silicon nitride composite material do track,
Cover board and side wall have stronger steam resistance oxidation characteristics matter, can effectively prevent the oxidation corrosion of this section of inner lining material.
2nd, due to changeover portion temperature be normally controlled in 800~1450 DEG C of warm area using electrically fused magnesite brick do side wall, track and
Cover board can effectively prevent the corrosion of CO, CO2 and low boiling point alkali metal element Na+, K+ to resistance to material.
3rd, since the use silicon nitride composite material that high temperature section temperature is normally controlled in 1450~1520 DEG C of warm area does rail
Road, cover board and side wall, silicon nitride composite material silicon carbide has lubricity in itself, and wear-resistant, and when high temperature is anti-oxidant.
And it can also resist thermal shock, be heated to 1000 DEG C or more in air, and quick refrigeration drastically heats again, will not be broken
It splits, is hardly damaged in double push plate light maintenances and handling failure, service life is long.
4th, the nitrogen inlet of 20~30m3/h is equipped between low-temperature zone and changeover portion, between changeover portion and high-temperature region
Equipped with 30~50m3/h nitrogen inlets, prevent each section of direct gas flowing, reduce corrosive gas and refractory material is rushed
Brush.
5th, the refractory material that the application uses is massive material, and it is few to build gap by laying bricks or stones, high insulating effect, energy source and power cost
It is low.
Embodiment
According to vapor, CO, CO2 and low boiling point alkali metal element in the furnace chamber of different warm areas in VN alloy production process
The difference of the corrosive gas content such as (Na+, K+), dou-ble-pusher kiln are laterally disposed with low-temperature zone, changeover portion, high temperature section and cold
But section, each section is made of multiple warm areas；Suitable anticorrosive inner lining material is selected in different warm areas, is remarkably improved dou-ble-pusher kiln
And the service life of heating element.
Dou-ble-pusher kiln is laterally disposed with 20 warm areas, i.e. 1~20 warm area, and 20 warm areas are divided by the difference of temperature setting
For low-temperature zone, changeover portion, high temperature section, according to reaction time of the furnace charge in the range of different temperatures and the volatilization speed of corrosive gas
Degree determines each section of length, and low-temperature zone is equipped with 4 warm areas：1~4 warm area, 4~5m of total length, 400~700 DEG C of heating temperature,
Changeover portion has 6 warm areas：5~10 warm areas, 6~8m of total length, 800~1450 DEG C of calcining heat, high temperature section have 10 warm areas：11
~20 warm areas, 17~19m of total length, 1450~1520 DEG C of calcining heat, cooling section are divided into nitrogen cooling and water cooling area, nitrogen
The length of cooling is 4~6m, and the length in water cooling area is 4.5~5m.The inner cavities of 5~10 warm areas of changeover portion, side wall and track are equal
For electrically fused magnesite brick or graphite material, heating chamber is silicon nitride composite material；11~20 warm area of 1~4 warm area of low-temperature zone and high temperature section
Inner cavity, side wall, track and heating chamber be silicon nitride composite material；Nitrogen cooling zone inner cavity, side wall and the track of cooling section
It is silicon nitride composite material, the water cooling area burner hearth material of cooling section is metal material.The size of burner hearth of pushed bat kiln 1-12 warm areas
Size of burner hearth for (826~830) mm × (350~370) mm, 13-20 warm area is (826~830) mm × (320~330).1
The heating chambers of~20 warm areas set on the cover board, corresponding position under track brick, the socket size of heating chamber is 200mm × 60mm,
It has 162 altogether up and down, heating element is made to isolate with furnace chamber.From laterally seeing that furnace body is divided into three autonomous channels, intermediate channel is stove
Expect main channel, in main channel from kiln tail into nitrogen, with furnace charge antikinesis protection furnace chamber；Lead to up and down for heating element separate cavities
Road, each heating chamber are passed through 5~10m3/h, heating chamber are protected；20~30m3/ is equipped between low-temperature zone and changeover portion
The nitrogen inlet of h is equipped with 30~50m3/h nitrogen inlets between changeover portion and high-temperature region, prevents each section of direct gas
Flowing.By take it is above-mentioned select suitable corrosion resistant material in different temperatures, carry and significantly improve double push plates and want service life.
Composite material of silicon carbide therein, silicon nitride composite material, magnesium silicon composite, electrically fused magnesite brick, graphite material are all
It is special non-state's standard brick, main component, impurity and refractoriness, apparent size etc. meet particular requirement.
1~20 warm area of heating element uses Si-Mo rod.
Furnace pressure is 20~60Pa.
Now illustrate the present invention specific implementation contrast effect：
Embodiment one
Before the present invention is implemented, the low-temperature zone and changeover portion of dou-ble-pusher kiln using composite material of silicon carbide do inner lining material,
High temperature section does inner lining material using silicon nitride composite material, and 14 days changeover portions of operation cover board occur and collapse, and is forced to stop kiln maintenance.
Embodiment two
Before the present invention is implemented, the low-temperature zone of dou-ble-pusher kiln does inner lining material using carborundum, changeover portion is answered using magnesium silicon
Condensation material does inner lining material, high temperature section does inner lining material using silicon nitride composite material, and 62 days changeover portions of operation cover board occur and collapse
It falls into, track brick seriously corroded, is forced to stop kiln maintenance.
Embodiment three
Before the present invention is implemented, the low-temperature zone and high temperature section of dou-ble-pusher kiln using silicon nitride composite material do inner lining material,
Changeover portion does inner lining material using electrically fused magnesite brick, operation do not occurred within 300 days cover board collapse, the failures such as track corrosion, double push plates
Kiln service life significantly improves.
Claims (9)
1. it is a kind of for producing the pushed bat kiln of VN alloy, the push plate of furnace chamber (2) is smelted including heating system (1) and containing calcining
Kiln body, the calcining are smelted furnace chamber (2) and are heated by the heating system (1), and furnace chamber (2) edge is smelted in the calcining
Calcining materials flow direction is divided into low-temperature zone (3), changeover portion (4), high temperature section (5) and cooling section (6), it is characterised in that：Described pushes away
Plate kiln further includes isolating and protecting system (7), and the madial wall that furnace chamber (2) is smelted in the calcining passes through the isolating and protecting system
(7) coat.
2. the pushed bat kiln according to claim 1 for being used to produce VN alloy, it is characterised in that：The pushed bat kiln body
Kiln wall (8) and track (9) are further included, the track (9) is arranged on the bottom side kiln wall of the pushed bat kiln body, and described adds
Hot systems (1) include the heating element (10) being arranged between the isolating and protecting system (7) and the bottom side kiln wall.
3. the pushed bat kiln according to claim 2 for being used to produce VN alloy, it is characterised in that：The pushed bat kiln also wraps
Include heating chamber (11), the heating element (10) by the heating chamber be arranged in the isolating and protecting system with it is described
Bottom side kiln wall between.
4. the pushed bat kiln according to claim 3 for being used to produce VN alloy, it is characterised in that：Low-temperature zone (3) it is described
Be provided with 4 temperature controlled regions of the furnace chamber (2) along calcining materials flow direction order, the kiln of each temperature controlled region of low-temperature zone (3) are smelted in calcining
Wall (8), isolating and protecting system (7), heating chamber (11) and track (9) are made of silicon nitride composite material.
5. the pushed bat kiln according to claim 3 for being used to produce VN alloy, it is characterised in that：Changeover portion (4) it is described
Be provided with 6 temperature controlled regions of the furnace chamber (2) along calcining materials flow direction order, the kiln of each temperature controlled region of changeover portion (4) are smelted in calcining
Wall (8), isolating and protecting system (7) and track (9) are built by laying bricks or stones by electrically fused magnesite brick, and each temperature controlled region of changeover portion (4) adds
Hot chamber (11) is made of silicon nitride material.
6. the pushed bat kiln according to claim 3 for being used to produce VN alloy, it is characterised in that：High temperature section (5) it is described
Be provided with 10 temperature controlled regions of the furnace chamber (2) along calcining materials flow direction order, the kiln of each temperature controlled region of high temperature section (5) are smelted in calcining
Wall (8), isolating and protecting system (7), heating chamber (11) and track (9) are made of silicon nitride composite material.
7. the pushed bat kiln according to claim 3 for being used to produce VN alloy, it is characterised in that：Cooling section (6) it is described
Calcining smelts furnace chamber (2) and is divided into nitrogen cooling zone (12) and water cooling area (13) along calcining materials flow direction, nitrogen cooling zone (12)
Kiln wall (8), isolating and protecting system (7) and track (9) are made of silicon nitride composite material, and the burner hearth of water cooling area (13) is by metal
Material is made.
8. the pushed bat kiln for being used to produce VN alloy according to any one of claim 3~7, it is characterised in that：It is pushing up
The heating element (10) is also disposed between side kiln wall and isolating and protecting system (7) by the heating chamber (11).
9. the pushed bat kiln according to claim 8 for being used to produce VN alloy, it is characterised in that：The pushed bat kiln also wraps
Temperature element (14) is included, the temperature element (14) penetrates the calcining at left side kiln wall and/or right side kiln wall and smelts
In furnace chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364502.2A CN108120276A (en) | 2017-12-18 | 2017-12-18 | For producing the pushed bat kiln of VN alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364502.2A CN108120276A (en) | 2017-12-18 | 2017-12-18 | For producing the pushed bat kiln of VN alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108120276A true CN108120276A (en) | 2018-06-05 |
Family
ID=62229252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711364502.2A Pending CN108120276A (en) | 2017-12-18 | 2017-12-18 | For producing the pushed bat kiln of VN alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108120276A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760119A (en) * | 2004-10-12 | 2006-04-19 | 攀枝花钢铁(集团)公司 | Unit of exhausting waste gas of pusher plate kiln for producing alloy of vanadium-nitrogen and method for exhausting waste gas |
| CN1760120A (en) * | 2004-10-12 | 2006-04-19 | 攀枝花钢铁(集团)公司 | Firebox structure of pusher plate kiln in calcining apparatuses for preparing alloy of vanadium-nitrogen continously |
| JP2015127617A (en) * | 2013-12-27 | 2015-07-09 | 株式会社ノリタケカンパニーリミテド | Heating furnace transport member |
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