CN201704388U - Intermediate frequency induction shaft furnace special for preparing vanadium-nitrogen alloy - Google Patents
Intermediate frequency induction shaft furnace special for preparing vanadium-nitrogen alloy Download PDFInfo
- Publication number
- CN201704388U CN201704388U CN2010201518157U CN201020151815U CN201704388U CN 201704388 U CN201704388 U CN 201704388U CN 2010201518157 U CN2010201518157 U CN 2010201518157U CN 201020151815 U CN201020151815 U CN 201020151815U CN 201704388 U CN201704388 U CN 201704388U
- Authority
- CN
- China
- Prior art keywords
- furnace
- zone
- district
- reduction
- frequency induction
- 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 - Lifetime
Links
- 230000006698 induction Effects 0.000 title claims abstract description 25
- 229910001199 N alloy Inorganic materials 0.000 title abstract 2
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 title abstract 2
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 238000010583 slow cooling Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 4
- 239000010962 carbon steel Substances 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 5
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 3
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000005121 nitriding Methods 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Details (AREA)
Abstract
本实用新型公开了一种制备钒氮合金专用的中频感应竖炉，包括设置在炉体上端的自动加料装置和排气系统，设置在炉体下端的进气系统和出料装置，所述炉体的炉膛从上至下依次设置为6个温区，分别为烘干预热区、预还原区、还原合成区、氮化区、产品缓冷与气体预热区、产品强冷区，所述烘干预热区采用石墨作为内炉膛，所述预还原区、还原合成区、氮化区和产品缓冷与气体预热区的内炉膛采用98％电熔镁砂烧制而成，所述产品强冷区的内炉膛采用水冷夹套碳素钢制成。本实用新型构思巧妙、结构简单，大幅度提高了竖炉炉膛高度，实现了多道生产工序一步完成；运行成本低、能耗低；炉体使用寿命长、生产效率高。
The utility model discloses an intermediate frequency induction shaft furnace specially used for preparing vanadium-nitrogen alloys, which comprises an automatic feeding device and an exhaust system arranged at the upper end of the furnace body, an air intake system and a discharge device arranged at the lower end of the furnace body, the furnace The furnace of the body is set into six temperature zones from top to bottom, which are drying preheating zone, pre-reduction zone, reduction synthesis zone, nitriding zone, product slow cooling and gas preheating zone, and product strong cooling zone. The drying preheating zone uses graphite as the inner furnace, and the inner furnaces of the pre-reduction zone, the reduction synthesis zone, the nitriding zone and the product slow cooling and gas preheating zone are made of 98% fused magnesia. The inner furnace of the strong cooling zone of the above products is made of water-cooled jacketed carbon steel. The utility model has an ingenious conception and a simple structure, greatly increases the height of the furnace of the shaft furnace, and realizes the completion of multiple production processes in one step; the operation cost is low, the energy consumption is low; the service life of the furnace body is long, and the production efficiency is high.
Description
Technical field
The utility model relates to a kind of Medium frequency induction shaft furnace, particularly a kind of Medium frequency induction shaft furnace for preparing the VN alloy special use.
Background technology
Medium-frequency induction furnace is a kind of supply unit that power frequency 50HZ alternating-current is changed into intermediate frequency (300HZ is above to 20K HZ), the three-phase main-frequency alternating-current, become direct current after the rectification, again direct current is become adjustable electric current of intermediate frequency, supply is by the intermediate frequency exchange current that flows through in electric capacity and the ruhmkorff coil, in induction coil, produce highdensity magnetic line of force, and the metallic substance that holds in the cutting induction coil, very big eddy current in metallic substance, produced.
Application number is that 200710071142.7 Chinese patent application discloses a kind of medium-frequency induction furnace for preparing the VN alloy special use, and there are automatic feed system and venting port in the body of heater upper end, and there are nitrogen inlet pipe and discharge port in the lower end.The body of heater inner chamber is built into inwall by high temperature resistant furnace lining and embedding tungsten graphite lining brick, and whole body of heater has the preheating storehouse, Medium frequency induction coil heats storehouse, and bin stock cooling storehouse is connected by concavo-convex flange seal.Application number is please disclose a kind of medium-frequency induction furnace for preparing the VN alloy special use in 200910089322.7 the Chinese patent, is made up of induction zone, cooling zone, gripping unit, drawing mechanism and lifting device; Medium frequency induction shaft furnace induction zone is followed successively by graphite cannula inwall, thermal insulation layer, thermometric galvanic couple and induction coil from inside to outside.Above-mentioned two kinds of medium-frequency induction furnaces are owing to be subjected to structural limitations, and the stove height is lower, can not finish the required multiple working procedure of products production, and production energy consumption and cost are higher.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of Medium frequency induction shaft furnace for preparing the VN alloy special use.This device is skillfully constructed, simple in structure, increased substantially the shaft furnace furnace height, realized that one step of multiple tracks production process finishes; Running cost is low, energy consumption is low; Body of heater long service life, production efficiency height.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of Medium frequency induction shaft furnace for preparing the VN alloy special use, comprise the automatic feeding device and the exhaust system that are arranged on the body of heater upper end, be arranged on the inlet system and the drawing mechanism of body of heater lower end, it is 6 warm areas that the burner hearth of described body of heater sets gradually from top to bottom, be respectively drying and preheating region, the prereduction district, the synthetic district of reduction, the nitrogenize district, product slow cooling and gas preheating zone, the product strong cooling section, described drying and preheating region adopts graphite as internal furnace, described prereduction district, the synthetic district of reduction, the internal furnace of nitrogenize district and product slow cooling and gas preheating zone adopts 98% electrosmelted magnesite clinker to fire and forms, and the internal furnace of described product strong cooling section adopts water-cooling jacket carbon steel to make.
As optimal way, the insulating refractory parcel is adopted in the internal furnace of described drying and preheating region, prereduction district, nitrogenize district and product slow cooling and the gas preheating zone outside.
As optimal way, the synthetic district of described reduction outer wall directly contacts with induction coil.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
1, the domestic same device of aspect ratio is high 3～5 times; Realized that raw material oven dry in stove, preheating, prereduction, product synthesize, product slow cooling one goes on foot and finishes, raw material need be dried outside stove in having avoided producing, product needed is come out of the stove back anoxybiotic slow cooling.
2, running cost is low, energy consumption is low.
3, body of heater long service life, production efficiency height.
Description of drawings
Fig. 1 is the utility model structural representation;
Mark among the figure: 1 be drying and preheating region, 2 for the prereduction district, 3 for the synthetic district of reduction, 4 for the nitrogenize district, 5 for product slow cooling and gas preheating zone, 6 for product strong cooling section, 7 be drawing mechanism.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of Medium frequency induction shaft furnace for preparing the VN alloy special use, comprise the automatic feeding device and the exhaust system that are arranged on the body of heater upper end, be arranged on the inlet system and the drawing mechanism of body of heater lower end, it is 6 warm areas that the burner hearth of described body of heater sets gradually from top to bottom, be respectively drying and preheating region, the prereduction district, the synthetic district of reduction, the nitrogenize district, product slow cooling and gas preheating zone, the product strong cooling section, described drying and preheating region adopts graphite as internal furnace, the synthetic district of described reduction, the prereduction district, the internal furnace of nitrogenize district and product slow cooling and gas preheating zone adopts 98% electrosmelted magnesite clinker to fire and forms, and the internal furnace of described product strong cooling section adopts water-cooling jacket carbon steel to make.
As preferably, adopt the insulating refractory parcel outside the internal furnace of described drying and preheating region, prereduction district, nitrogenize district and product slow cooling and gas preheating zone.The synthetic district of described reduction outer wall directly contacts with induction coil.All internal furnace internal diameters are identical and on a central axis.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. Medium frequency induction shaft furnace for preparing the VN alloy special use, comprise the automatic feeding device and the exhaust system that are arranged on the body of heater upper end, be arranged on the inlet system and the drawing mechanism of body of heater lower end, it is characterized in that: it is 6 warm areas that the burner hearth of described body of heater sets gradually from top to bottom, be respectively drying and preheating region, the prereduction district, the synthetic district of reduction, the nitrogenize district, product slow cooling and gas preheating zone, the product strong cooling section, described drying and preheating region adopts graphite as internal furnace, described prereduction district, the synthetic district of reduction, the internal furnace of nitrogenize district and product slow cooling and gas preheating zone adopts 98% electrosmelted magnesite clinker to fire and forms, and the internal furnace of described product strong cooling section adopts water-cooling jacket carbon steel to make.
2. a kind of Medium frequency induction shaft furnace for preparing the VN alloy special use according to claim 1 is characterized in that: the insulating refractory parcel is adopted in the internal furnace outside of described drying and preheating region, prereduction district, nitrogenize district and product slow cooling and gas preheating zone.
3. a kind of Medium frequency induction shaft furnace for preparing the VN alloy special use according to claim 1 is characterized in that: the synthetic district of described reduction outer wall directly contacts with induction coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201518157U CN201704388U (en) | 2010-04-06 | 2010-04-06 | Intermediate frequency induction shaft furnace special for preparing vanadium-nitrogen alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201518157U CN201704388U (en) | 2010-04-06 | 2010-04-06 | Intermediate frequency induction shaft furnace special for preparing vanadium-nitrogen alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201704388U true CN201704388U (en) | 2011-01-12 |
Family
ID=43441542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201518157U Expired - Lifetime CN201704388U (en) | 2010-04-06 | 2010-04-06 | Intermediate frequency induction shaft furnace special for preparing vanadium-nitrogen alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201704388U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727783A (en) * | 2014-01-10 | 2014-04-16 | 四川展祥特种合金科技有限公司 | Vertical type vanadium-nitrogen alloy calcining kiln utilizing waste gas carbon monoxide |
| CN105043110A (en) * | 2015-08-25 | 2015-11-11 | 浙江欣万飞科技有限公司 | Vertical feeding and discharging machine and burning equipment with same |
| CN105274421A (en) * | 2015-04-01 | 2016-01-27 | 四川展祥特种合金科技有限公司 | Vertical and horizontal combined type device for preparing vanadium-nitrogen alloy through medium-frequency heating |
-
2010
- 2010-04-06 CN CN2010201518157U patent/CN201704388U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727783A (en) * | 2014-01-10 | 2014-04-16 | 四川展祥特种合金科技有限公司 | Vertical type vanadium-nitrogen alloy calcining kiln utilizing waste gas carbon monoxide |
| CN103727783B (en) * | 2014-01-10 | 2015-05-20 | 四川展祥特种合金科技有限公司 | Vertical type vanadium-nitrogen alloy calcining kiln utilizing waste gas carbon monoxide |
| CN105274421A (en) * | 2015-04-01 | 2016-01-27 | 四川展祥特种合金科技有限公司 | Vertical and horizontal combined type device for preparing vanadium-nitrogen alloy through medium-frequency heating |
| CN105274421B (en) * | 2015-04-01 | 2017-07-11 | 四川展祥特种合金科技有限公司 | A kind of vertical sleeping combined type medium-frequency heating prepares the device of VN alloy |
| CN105043110A (en) * | 2015-08-25 | 2015-11-11 | 浙江欣万飞科技有限公司 | Vertical feeding and discharging machine and burning equipment with same |
| CN105043110B (en) * | 2015-08-25 | 2017-06-06 | 浙江欣万飞科技有限公司 | Vertical feeding-discharging machine and the burning equipment with the vertical feeding-discharging machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204455202U (en) | A kind of cable annealing device | |
| CN101857197B (en) | Biomass gasifying hydrogen making reactor based on induction heating | |
| CN201704388U (en) | Intermediate frequency induction shaft furnace special for preparing vanadium-nitrogen alloy | |
| CN109055643A (en) | A kind of coal gas shaft furnace system and iron smelting method based on induction supplementary heating structure | |
| CN102297583A (en) | Steam oxidation well furnace | |
| CN201819534U (en) | Fully automatic and vertical intermediate-frequency carbonization furnace | |
| CN101881555B (en) | A high temperature atmosphere furnace with electromagnetic field | |
| CN202177295U (en) | Steam oxidizing pit furnace | |
| CN206033795U (en) | Adopt pit -type tempering furnace of carbon fiber heating tube heating | |
| CN103245190B (en) | Vehicle-mounted rotary enamel sintering furnace | |
| CN103033062A (en) | Waste heat utilization device for gas shuttle kiln | |
| CN202814068U (en) | Furnace hearth structure of induction heating smelting furnace | |
| CN200993527Y (en) | High temperature resistance sintering furnace | |
| CN201897378U (en) | Vanadium-nitrogen alloy fully-automatic vertical intermediate-frequency induction heating furnace | |
| CN207247873U (en) | Electrical heating shaft furnace material forced heat-exchanging device | |
| CN205388419U (en) | A induction furnace for producing 200 is stainless steel | |
| CN203203381U (en) | Furnace bar type natural gas cupola carbon heat exchange bed | |
| CN2478049Y (en) | Vacuum fritting furnace | |
| CN201463533U (en) | Vacuum induction furnace body | |
| CN100436613C (en) | Heater furnace to produce titanium sponge by combination method | |
| CN201482469U (en) | Hot air heating device for water reducer reaction kettle | |
| CN204825004U (en) | Hot type magnesium metal vacuum reduction stove in electromagnetic induction | |
| CN106672971A (en) | Electrode type calcium carbide furnace | |
| CN206118092U (en) | A heat preservation device for microwave smelting furnace | |
| CN201303001Y (en) | Fast cooling diffusion furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |