CN203857799U - Energy-saving and efficient inclined vanadium-nitrogen alloy kiln - Google Patents
Energy-saving and efficient inclined vanadium-nitrogen alloy kiln Download PDFInfo
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- CN203857799U CN203857799U CN201420245287.XU CN201420245287U CN203857799U CN 203857799 U CN203857799 U CN 203857799U CN 201420245287 U CN201420245287 U CN 201420245287U CN 203857799 U CN203857799 U CN 203857799U
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Abstract
The utility model discloses an energy-saving and efficient inclined vanadium-nitrogen alloy kiln. By using the energy-saving and efficient inclined vanadium-nitrogen alloy kiln, the problem that the production efficiency is low and loss is high can be solved. The energy-saving and efficient inclined vanadium-nitrogen alloy kiln comprises a vanadium-nitrogen alloy kiln body, a smoke outlet, a low-temperature section, an intermediate-temperature section, a high-temperature section, a cooling section, a nitrogen inlet, a discharging opening, a feeding opening, a heating element and a kiln inclined supporting frame; the vanadium-nitrogen alloy kiln body is sequentially provided with the low-temperature section, the intermediate-temperature section, the high-temperature section and the cooling section; the heating element comprises an upper heating element and a lower heating element; the upper heating element is arranged on the upper portion of an intermediate charging material main channel; the lower heating element is arranged on the lower portion of the intermediate charging material main channel; and an included angle alpha is formed between the vanadium-nitrogen alloy kiln body and the ground and is 0-14.47 degrees.
Description
Technical field
The utility model relates to a kind of VN alloy firing equipment, relates in particular to a kind of efficient energy-saving inclined VN alloy kiln.
Background technology
VN alloy is as a kind of Novel steel iron additive, and alternative vanadium iron is for the production of micro alloyed steel, and it makes an addition to the comprehensive mechanical performances such as intensity, toughness, ductility and the thermal fatigue resistance that can improve steel in steel, and makes steel have good solderability; Reaching under same intensity, interpolation VN alloy adds vanadium and can save vanadium 30%～40%, has reduced cost; VN alloy is generally used by domestic and international steel mill, and its production technology and production equipment have obtained swift and violent development.
The heating kiln equipment that existing market is produced VN alloy employing roughly has following several: vacuum electric furnace batch production; Climb steel and adopt electrical heating tunnel kiln, medium-frequency electrical heating shaft furnace, tube furnace, micro-wave oven; These VN alloys are produced stove and are all had defect, vacuum electric furnace batch production, and production efficiency is low; Electrical heating tunnel kiln, in kiln, gas outer row in time forms eddy current in stove, in kiln, steam and other corrosive gas have certain corrosivity to refractory material in kiln, affect converter life, also hinder nitrogen simultaneously and enter participation reaction, affect the quality of product; Medium-frequency electrical heating shaft furnace, material expands with heat and contract with cold in stove, easily stops up stove, and stove inwall is caused to damage, affects the service life of stove; Tube furnace and micro-wave oven are not suitable for large-scale industrial production, and the whole nation only has few to use at present.
Utility model content
For addressing the above problem, the utility model can provide a kind of a kind of efficient energy-saving inclined VN alloy kiln that production efficiency is low, loss is large that solves.
The utility model solves the technical scheme that its technical problem adopts: a kind of efficient energy-saving inclined VN alloy kiln, comprises VN alloy body of heater, outlet flue, low-temperature zone, middle-temperature section, high temperature section, cooling section, nitrogen air inlet, discharging opening, charging aperture, heating element heater, stove inclination bracing frame; Described VN alloy body of heater is provided with low-temperature zone, middle-temperature section, high temperature section and cooling section successively; Described heating element heater comprises top heating element heater and bottom heating element heater, and top heating element heater is located at top, middle furnace charge main channel, and bottom heating element heater is located at bottom, middle furnace charge main channel.
Preferably, described kiln inclination bracing frame is that angle steel welding is made kiln inclination bracing frame and is placed on below kiln main body, makes kiln main body become angle ɑ with ground, and ɑ is 0 °～14.47 °.
Described charging aperture is located at the front end of low-temperature zone.
Described discharging opening is located at the tail end of cooling section.
Described outlet flue is located at the top of low-temperature zone, and whole kiln extreme higher position, is conducive to the discharge of flue gas, steam and dust.
Described nitrogen air inlet is located at the below of cooling section, and nitrogen carries out heat exchange with material in cooling section.
Described heating element heater is Si-Mo rod heating element heater, and heating element heater inserts from kiln sidewall, and furnace charge main channel upper and lower in the middle of heating element heater is positioned at separates with graphite cake and furnace charge main channel.
Described heating element heater, low-temperature zone is provided with 6 bottom heating element heaters; Middle-temperature section is provided with 30 heating element heaters, wherein 10 top heating element heaters, 20 bottom heating element heaters; High temperature section is provided with 36 heating element heaters, wherein 12 top heating element heaters, 24 bottom heating element heaters.
The beneficial effects of the utility model are: (1) a kind of efficient energy-saving inclined VN alloy kiln, VN alloy body of heater becomes angle ɑ with ground, the crucible of loaded material required stiction overcoming in intermittent duty process reduces, be that the suffered moment thrust of crucible reduces, solve the problem because of the excessive restriction kiln of moment thrust length, the increase of kiln length can improve production capacity, has improved utilization rate of electrical simultaneously, saves electric energy; (2) crucible moment thrust reduces, and can reduce crucible because of the excessive collision loss causing of moment thrust; (3) nitrogen enters and heats from cooling section, and kiln tilting is designed with that to be beneficial in stove nitrogen circulation smooth and easy, guarantees the supply of follow-up nitridation reaction nitrogen, improves the quality of VN alloy; (4) air inlet is located at kiln colling end, kiln low-temperature end is located in gas outlet, be kiln furnace gas low enter, exceed, be conducive to the discharge of steam in kiln, CO, CO2 and low boiling alkaline element etchant gas, avoid refluxing and cause adverse effect to production technology; (5) nitrogen, in cooling section and material heat exchange, has been saved the electric energy that heated nitrogen consumes; (6) according to each warm area temperature difference, the quantity of the each warm area heating element heater of reasonable layout, avoids the waste of electric energy, saves electric energy; (7) characteristic moving upward according to heated gas, bottom heating element heater quantity is more than top, be conducive to material surrounding heat balance, avoid local temperature high, affect kiln normal service life (9) compared with flat kiln, the interior thermal cycle of kiln is more perfect, and surface heat loss greatly reduces.
Brief description of the drawings
Fig. 1 is a kind of structural representation of efficient energy-saving inclined VN alloy kiln.
In figure, 1, VN alloy body of heater; 2, outlet flue; 3, low-temperature zone; 4, middle-temperature section; 5, high temperature section 6, cooling section; 7, nitrogen air inlet; 8, discharging opening; 9, charging aperture; 10, top heating element heater; 11, bottom heating element heater; 12, stove inclination bracing frame; Slanted angle ɑ.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Specific embodiment one
Please refer to Fig. 1, the utility model detailed description of the invention, a kind of efficient energy-saving inclined VN alloy kiln, comprises VN alloy body of heater, outlet flue, low-temperature zone, middle-temperature section, high temperature section, cooling section, nitrogen air inlet, discharging opening, charging aperture, heating element heater, stove inclination bracing frame; Described VN alloy body of heater is provided with low-temperature zone, middle-temperature section, high temperature section and cooling section successively; Described heating element heater comprises top heating element heater and bottom heating element heater, and top heating element heater is located at top, middle furnace charge main channel, and bottom heating element heater is located at bottom, middle furnace charge main channel.
Please refer to Fig. 1, described charging aperture is located at the front end of low-temperature zone.
Please refer to Fig. 1, described outlet flue is located at the top of low-temperature zone, and whole kiln extreme higher position, is conducive to the discharge of flue gas, steam and dust.
Please refer to Fig. 1, described nitrogen air inlet is located at the below of cooling section, and nitrogen carries out heat exchange with material in cooling section.
Please refer to Fig. 1, described discharging opening is located at the tail end of cooling section.
Please refer to Fig. 1, described kiln inclination bracing frame is that angle steel welding is made kiln inclination bracing frame and is placed on below kiln main body, makes kiln main body become angle ɑ with ground.
Please refer to Fig. 1, described heating element heater is Si-Mo rod heating element heater, and heating element heater inserts from kiln sidewall, and furnace charge main channel upper and lower in the middle of heating element heater is positioned at separates with graphite cake and furnace charge main channel.
Please refer to Fig. 1, described VN alloy body of heater becomes angle ɑ with ground, and cooling section position is low, and low-temperature zone position is high; In kiln, crucible and the base plate of operation are all graphite material, the coefficient of kinetic friction between graphite is 0.25, show that according to arcsin function (arcsin0.25) ɑ is 14.47 °, to be 0 °～14.47 ° be all safe to ɑ, there will not be graphite crucible to cause slip because of gravity.
Please refer to Fig. 1, described heating element heater, low-temperature zone is provided with 6 bottom heating element heaters; Middle-temperature section is provided with 30 heating element heaters, wherein 10 top heating element heaters, 20 bottom heating element heaters; High temperature section is provided with 36 heating element heaters, wherein 12 top heating element heaters, 24 bottom heating element heaters.
Please refer to Fig. 1, described VN alloy body of heater comprises 24 warm areas and cooling section; 24 warm areas comprise low-temperature zone, middle-temperature section and high temperature section; Low-temperature zone is provided with 6 warm areas, 400～600 DEG C of 1～6 warm area, heating-up temperatures, and middle-temperature section is provided with 10 warm areas, 1000～1300 DEG C of 7～16 warm areas, heating-up temperatures, high temperature section is provided with 8 warm areas, 1400～1500 DEG C of 17～24 warm areas, heating-up temperatures.
By reference to the accompanying drawings the utility model is carried out to exemplary description above; obvious realization of the present utility model is not subject to the restrictions described above; as long as the various improvement that adopted technical solutions of the utility model to carry out; or say that without improvement design of the present utility model and technical scheme are applied to other occasions, all in protection domain of the present utility model.
Claims (3)
1. an efficient energy-saving inclined VN alloy kiln, is characterized in that, described VN alloy body of heater, outlet flue, low-temperature zone, middle-temperature section, high temperature section, cooling section, nitrogen air inlet, discharging opening, charging aperture, heating element heater, stove inclination bracing frame; Described VN alloy body of heater is provided with low-temperature zone, middle-temperature section, high temperature section and cooling section successively; Described heating element heater comprises top heating element heater and bottom heating element heater, and top heating element heater is located at top, middle furnace charge main channel, and bottom heating element heater is located at bottom, middle furnace charge main channel; Described charging aperture is located at the front end of low-temperature zone; Described discharging opening is located at the tail end of cooling section; Described outlet flue is located at the top of low-temperature zone, whole kiln extreme higher position; Described nitrogen air inlet is located at the below of cooling section, and nitrogen carries out heat exchange with material in cooling section; Described heating element heater is Si-Mo rod heating element heater, and heating element heater inserts from kiln sidewall, and furnace charge main channel upper and lower in the middle of heating element heater is positioned at separates with graphite cake and furnace charge main channel.
2. a kind of efficient energy-saving inclined VN alloy kiln according to claim 1, is characterized in that, described VN alloy body of heater becomes angle ɑ with ground, and ɑ is 0 °～14.47 °.
3. a kind of efficient energy-saving inclined VN alloy kiln according to claim 1, is characterized in that, described heating element heater, and low-temperature zone is provided with 6 bottom heating element heaters; Middle-temperature section is provided with 30 heating element heaters, wherein 10 top heating element heaters, 20 bottom heating element heaters; High temperature section is provided with 36 heating element heaters, wherein 12 top heating element heaters, 24 bottom heating element heaters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245287.XU CN203857799U (en) | 2014-05-14 | 2014-05-14 | Energy-saving and efficient inclined vanadium-nitrogen alloy kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245287.XU CN203857799U (en) | 2014-05-14 | 2014-05-14 | Energy-saving and efficient inclined vanadium-nitrogen alloy kiln |
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| Publication Number | Publication Date |
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| CN203857799U true CN203857799U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420245287.XU Expired - Fee Related CN203857799U (en) | 2014-05-14 | 2014-05-14 | Energy-saving and efficient inclined vanadium-nitrogen alloy kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815720A (en) * | 2020-12-21 | 2021-05-18 | 联创（新乡）精密电子科技有限公司 | Heating furnace equipment and using method |
-
2014
- 2014-05-14 CN CN201420245287.XU patent/CN203857799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815720A (en) * | 2020-12-21 | 2021-05-18 | 联创（新乡）精密电子科技有限公司 | Heating furnace equipment and using method |
| CN112815720B (en) * | 2020-12-21 | 2024-04-12 | 联创（新乡）精密电子科技有限公司 | Heating furnace equipment and use method |
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| Date | Code | Title | Description |
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| 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: 20141001 Termination date: 20160514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |