CN203653243U - Device for producing vanadium-nitrogen alloy employing one-step double-push board kiln - Google Patents
Device for producing vanadium-nitrogen alloy employing one-step double-push board kiln Download PDFInfo
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- CN203653243U CN203653243U CN201320782789.1U CN201320782789U CN203653243U CN 203653243 U CN203653243 U CN 203653243U CN 201320782789 U CN201320782789 U CN 201320782789U CN 203653243 U CN203653243 U CN 203653243U
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- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 title abstract description 10
- 229910001199 N alloy Inorganic materials 0.000 title abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 53
- 230000009467 reduction Effects 0.000 claims abstract description 29
- 238000003763 carbonization Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000011068 loading method Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 30
- 239000000956 alloy Substances 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000010304 firing Methods 0.000 claims description 21
- 238000010926 purge Methods 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000001351 cycling effect Effects 0.000 claims description 3
- 238000005755 formation reaction Methods 0.000 claims 3
- 238000005245 sintering Methods 0.000 abstract description 21
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract 2
- 238000013461 design Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000008188 pellet Substances 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 kalium ion Chemical class 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a device for producing vanadium-nitrogen alloy employing a one-step double-push board kiln. The device comprises a loading section, a burning section and a discharge section, which are connected in cycle, wherein the loading section comprises a loading conveyer belt and a cleaning chamber connected with the feeding conveyer belt; the cleaning chamber is connected with a double-push board conveying mechanism; the double-push board conveying mechanism is connected with the burning section; the burning section comprises a reduction section, a carbonization section, a nitridation section, a nitridation sintering section and a cooling section, which are orderly connected; the cooling section is connected with the discharge section; the discharge section comprises a discharge end; the discharge end is connected with an unloading conveyer belt; the unloading conveyer belt is connected with the loading conveyer belt to form a circulating mechanism. The reduction, carbonization, nitridation, sintering and cooling processes of the material inside the kiln are finished inside the one-step double-push board kiln by a five-step process. The device is high in automation, the sintered product is stable in quality, high in yield, and low in energy consumption, the environment is not polluted, contact of a person and the material is reduced, and the requirements of the materials for the vanadium-nitrogen alloy can be met.
Description
Technical field
The utility model relates to the device of production VN alloy, particularly a kind of device that adopts the two pushed bat kiln production VN alloy of single stage method.
Background technology
For production process control and the coordinative composition of equipments of vanadium nitride, metallargist both domestic and external has done a large amount of development work, but eventually because production difficulty is large, with high content of technology, makes this technology fail to be used widely aspect automation application.What the producer of most domestic production vanadium nitride was generally used is nitrogen atmosphere protection list pushed bat kiln, and be still referred from the nitrogen atmosphere protection list pushed bat kiln of sintered magnetic material, its furnace kiln structure is simple, entirety kiln cavity configuration is the same with cross section with single pushed bat kiln of production vanadium nitride sintered magnetic material, kiln chamber cross-sectional configuration is a cross section from front to back, cause can not meet completely VN alloy in stove inside from reduction, carbonization, nitrogenize, sintering, physical change in process of cooling and chemical transformation, cause stove carbonization section cross section too small, cause the not smooth fouling of stove exhaust and seriously corroded, make stove reach 3-6 month work-ing life, the stove life-span is short, product production is low, quality conformance is bad, energy consumption is generally higher, cost is high.Domestic and international traditional VN alloy is produced vacuum oven, high frequency furnace, vertical heater, the single pushed bat kiln equal segments of mostly adopting of the same trade and is completed reduction, carbonization, nitrogenize, sintering and cooling stages at present.One, process yields is low, energy consumption is high; Its two, holding time is longer, causes and consumes stage by stage the energy, energy consumption is high and yield poorly.
Adopt the deficiency of the structure of vacuum oven for traditional mode of production VN alloy, therefore, provide a kind of device that utilizes the two pushed bat kiln production VN alloy of nitrogen atmosphere protection to become current this area technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide the device that utilizes the two pushed bat kiln production VN alloy of single stage method, this device is according to each stage difference of sintering VN alloy, in reduction, carbonization, nitrogenize, sintering, cooling five processes, design different stove cross sections and meet sintering VN alloy, make every section of requirement that can reach optimal spatial and meet different spaces.Reach in best time range and obtain best quality, maximum production output, minimum energy consumption, the longest stove work-ing life.
The purpose of this utility model realizes by following technical proposals.
Utilize a device for the two pushed bat kiln production VN alloy of single stage method, comprise material loading section, calcining section and unloading part that circulation connects, it is characterized in that:
Described material loading section comprises feeding conveyer belt, and with the purge chamber that feeding conveyer belt joins, purge chamber is connected with main kiln front deck, and main kiln front deck is connected with calcining section;
Described calcining section comprises one section of connected successively reduction, two sections of reduction, carbonization section, nitrogenize section, nitridation sintered section, cooling one section, cooling two sections and cooling three sections; Cooling three sections are connected with unloading part;
Described unloading part comprises discharge end, and discharge end is connected with blanking conveying belt; Blanking conveying belt is connected with feeding conveyer belt and forms a cycling mechanism.
Further, one section of described reduction is made up of 1 section of body of heater and 2 sections of connections of body of heater, reduce two sections formed by 3 sections of bodies of heater, one section of described reduction and the two sections of firing chamber's cavity section height that reduce are 380-450mm, wide is 720-770mm.
Further, described carbonization section is made up of 6 sections of 4 sections of bodies of heater, 5 sections of bodies of heater and bodies of heater; Described carbonization section firing chamber cavity section height is 450-600mm, and wide is 720-790mm.
Further, described nitrogenize section is made up of 7 sections of bodies of heater, and described nitrogenize section firing chamber cavity section height is 450-400mm, and wide is 720-770mm.
Further, described nitridation sintered section is made up of 8 sections of bodies of heater to 16 sections of connections of body of heater, and described nitridation sintered section of firing chamber's cavity section height is 380-400mm, and wide is 700-750mm.
Further, described cooling one section forms cooling one section by 17 sections of bodies of heater, cooling one section of high 380-400mm of firing chamber's cavity section, wide 700-750mm; Described cooling two sections are made up of 18 sections of bodies of heater to 20 sections of connections of body of heater, cooling two sections of high 400-600mm of firing chamber's cavity section, wide 700-750mm; Described cooling three sections are made up of 21 sections of bodies of heater to 23 sections of connections of body of heater, cooling three sections of high 400-600mm of firing chamber's cavity section, wide 700-750mm.
Further, two ends of described calcining section are provided with Hydraulic Station.
The utlity model has following feature:
This device is by the material special property to sintering VN alloy, for the reaction difference of each section of material of stove, the section design kiln chamber of mass expanded is roomy, the section design kiln chamber of material waste air is roomy, the less kiln chamber of section design that material shrinks, thus effectively utilize the material loading capacity of the spatial design maximum in kiln chamber to improve the separate unit stove turnout of stove.Be to improve 1.8 times by technology technological transformation output, its design is:
The firstth, the material of reduction section is reverted to V hard to tolerate completely from 330 DEG C to 650 DEG C
+ 4, have and consider that the size in kiln chamber affects the discharge of energy consumption and carbonic acid gas, and during reduction, pellet starting to expand, kiln chamber from small to large, design reduction section kiln chamber meets the requirement of reduction.
The secondth, reduction finishes to enter carbonization section material and reverts to V completely from 650 DEG C to 800 DEG C
+ 3and then formation vanadium carbide, mass expanded is 1.2-1.4 times of original form to peak, after shrink detrimental impurity elements such as now discharging in a large number carbonic acid gas, ash content, kalium ion and natrium ion and sulphur phosphorus, therefore design carbonization section kiln chamber maximum is the highest, material adopts graphite track, graphite nogging and magnesium zirconia block arched girder, meets the discharge of mass expanded and waste gas.
The 3rd is that carbonization finishes to enter nitrogenize section, material from 800 DEG C to 1250 DEG C carbonization to vanadium nitride, now enter nitriding and discharge a small amount of carbon monoxide, material is retracted to the half of original pellet from the pellet expanding, therefore kiln chamber from big to small, design kiln chamber meets the demands, now dwindle kiln cavity space and reduce energy consumption, reduce power consumption.
The 4th is that nitrogenize section finishes to enter sintering stage, and material is fully sintered from 1250 DEG C to 1500 DEG C is VN alloy, makes full use of the energy in the kiln chamber of this stage design minimum, reduces sintering power consumption.
The 5th is cooling section, material is from 1500 DEG C of processes that are reduced to below 150 DEG C, therefore kiln chamber from small to large, design kiln chamber, the one, cooling rear end moves forward into a large amount of nitrogen, utilize large kiln cavity space to increase the contact area of nitrogen, utilize the heat of VN alloy to contact fully with nitrogen, reach the effect of cooling, reduce power consumption, last cooling three sections are carried out water-cooled and reach temperature out lower than 150 degree.
Use for reference the shortcoming of magneticsubstance stove sintering VN alloy with respect to generally adopting the conventional stove of VN alloy------, conventional magneticsubstance stove kiln chamber is generally a cross section, can only meet the prior art of sintered magnetic material, this device did not coexist in reduction, carbonization, nitrogenize, sintering, cooling five processes according to each stage of sintering VN alloy, design different stove cross sections and meet sintering VN alloy, make every section of requirement that can reach optimal spatial and meet different spaces.Can reach in best time range and obtain best quality, maximum production output, minimum energy consumption, the longest stove work-ing life, really become the special stove of sintering VN alloy.
The utility model is at reduction, carbonization, nitrogenize, sintering, cooling synchronous reaction, and continuous one-step completes vanadium-nitrogen alloy sintering product.And traditional industries nitrogen atmosphere protection list pushed bat kiln traditional technology of the same trade yields poorly, energy consumption high (15000 DEG C/more than TVN); the two pushed bat kilns of the utility model research application single stage method nitrogen atmosphere protection; design different stove cross sections by each different reduction, carbonization, nitrogenize, sintering and cooling section; utilize different cross sections to complete different reaction mechanisms; impel each elementary reaction fully, evenly, completely; good product consistency; density is high; more conventional economize on electricity 75% that output is high, energy consumption is low (4000 DEG C/TVN), realizes suitability for industrialized production completely.
Brief description of the drawings
Fig. 1 is the utility model device integral construction figure.
Fig. 2 (a) and Fig. 2 (b) are the each section connection structure schematic diagram of the utility model.
In figure: 100, one section of reduction; 101, two sections of reduction; 102, carbonization section; 103, nitrogenize section; 104, nitridation sintered section; 105, cooling one section; 106, cooling two sections; 107, cooling three sections; 108, Hydraulic Station; 109, feeding conveyer belt; 110, blanking conveying belt; 111, discharge end; 112, purge chamber; 113, main kiln front deck; 1,1 section of body of heater; 2,2 sections of bodies of heater; 3,3 sections of bodies of heater; 4,4 sections of bodies of heater; 5,5 sections of bodies of heater; 6,6 sections of bodies of heater; 7,7 sections of bodies of heater; 8,8 sections of bodies of heater; 9,9 sections of bodies of heater; 10,10 sections of bodies of heater; 11,11 sections of bodies of heater; 12,12 sections of bodies of heater; 13,13 sections of bodies of heater; 14,14 sections of bodies of heater; 15,15 sections of bodies of heater; 16,16 sections of bodies of heater; 17,17 sections of bodies of heater; 18,18 sections of bodies of heater; 19,19 sections of bodies of heater; 20,20 sections of bodies of heater; 21,21 sections of bodies of heater; 22,22 sections of bodies of heater; 23,23 sections of bodies of heater.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, the device that this utilizes the two pushed bat kiln production VN alloy of single stage method, comprises material loading section, calcining section and unloading part that circulation connects, wherein:
Material loading section comprises feeding conveyer belt 109, and with the purge chamber 112 that feeding conveyer belt 109 joins, decontamination chamber 112 is connected with two push pedal transfer mechanisms 113, and main kiln front deck 113 is connected with calcining section; Calcining section comprises a section 100 of connected successively reduction, two section 101 of reduction, carbonization section 102, nitrogenize section 103, nitridation sintered section 104, cooling one section 105, cooling two section 106 and cooling three section 107; Cooling three section 107 is connected with unloading part; Unloading part comprises discharge end 111, and discharge end 111 is connected with blanking conveying belt 110; Blanking conveying belt 110 is connected with feeding conveyer belt 109 and forms a cycling mechanism.
In the present embodiment, shown in Fig. 1 and Fig. 2 (a), Fig. 2 (b), reduction section is communicated with for 2 section 2 and is formed by 1 section 1 of body of heater and body of heater for one section 100, reduces and is made up of for 3 section 3 body of heater for two section 101, reduce one section 100 and reduction two section of 101 firing chamber's cavity section height be 380mm, wide is 720-740mm.
Be communicated with for 16 section 16 and form by 8 section 8 of body of heater, 9 section 9 of body of heater, 10 section 10 of body of heater, 11 section 11 of body of heater, 12 section 12 of body of heater, 13 section 13 of body of heater, 14 section 14 of body of heater, 15 section 15 of body of heater and body of heater for nitridation sintered section 104, nitridation sintered section of firing chamber's cavity section height is 380-400mm, and wide is 700-750mm.
Cooling one section 105 is made up of 17 sections of bodies of heater, cooling one section of high 380-400mm of firing chamber's cavity section, wide 700-750mm; Cooling two section 106 is communicated with for 20 section 20 and forms, cooling two sections of high 400-600mm of firing chamber's cavity section, wide 700-750mm by 18 section 18 of body of heater, 19 section 19 of body of heater and body of heater; Cooling three section 107 by 21 section 21 of body of heater, be communicated with and form, cooling three sections of high 400-600mm of firing chamber's cavity section, wide 700-750mm by 22 section 22 of body of heater with by 23 section 23 of body of heater.
And, be equipped with Hydraulic Station 108 in two ends of calcining section.
When work, manually operational system is adjusted to after starting point and adjusted Controlling System to automatic operational system again, system starts automatically to move, and automatically moving Hydraulic Station 108 provides the thrust power of whole service system.After operation, first putting at goods pellet in secondary kiln crucible, i.e. blanking conveying belt 110 places, move by the time arranging automatically through stove; Run to feeding conveyer belt 109 places at goods pellet crucible and carry out secondary kiln drying, require moisture can not exceed 1%; Enter in 112 purge chambers of purge chamber and clean displacement by feeding conveyer belt 109 again, with the oxygen in nitrogen replacement purge chamber, enter main kiln front deck 113 by purge chamber 112 again, enter reduction by main kiln front deck 113 and reduce for two section 101 to reducing for one section 100,330 DEG C of reduction temperatures revert to V hard to tolerate completely to 650 DEG C
+ 4; Run to carbonization section 102 for two section 101 and carry out carbonization from reducing, 650 DEG C of carbonization temperatures revert to V completely to 800 DEG C
+ 3with VO and then formation vanadium carbide; Carbonization section 102 runs to nitrogenize section 103 and carries out abundant nitrogenize formation vanadium nitride, and from 800 DEG C to 1250 DEG C, complete nitrogenize, to vanadium nitride, now enters nitriding and discharges a small amount of carbon monoxide material, and material is retracted to the half of original pellet from the pellet expanding; Enter nitridation sintered section 104 by nitrogenize section 103 again and carry out sintering, sintering temperature is fully sintered from 1250 DEG C to 1500 DEG C is VN alloy; Enter cooling one section 105 and cooling two section 106 by nitridation sintered section 104 and carry out nitrogen replacement blast-cold, then run to cooling three section 107 by cooling two section 106 and carry out water-cooled, reach VN alloy temperature below 150 DEG C; After running to by cooling three section 107, displacement is cleaned by purge chamber 112, with the oxygen in nitrogen replacement purge chamber, is that oxygen can not enter stove; Enter the secondary kiln of blanking conveying belt 110 by purge chamber 111 again, the now qualified VN alloy of output, draw off carry out after VN alloy second take turns at goods pellet dress ball.Now form the object that a large automatic circulating system completes sintering VN alloy.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by submitted to claims.
Claims (7)
1. utilize a device for the two pushed bat kiln production VN alloy of single stage method, comprise material loading section, calcining section and unloading part that circulation connects, it is characterized in that:
Described material loading section comprises feeding conveyer belt (109), and with the purge chamber (112) that feeding conveyer belt (109) joins, purge chamber (112) are connected with main kiln front deck (113), and main kiln front deck (113) is connected with calcining section;
Described calcining section comprises connected successively reduction one section of (100), reduction two sections of (101), carbonization sections (102), nitrogenize section (103), nitridation sintered section (104), cooling one section (105), cooling two sections (106) and cooling three sections (107); Cooling three sections (107) are connected with unloading part;
Described unloading part comprises discharge end (111), and discharge end (111) is connected with blanking conveying belt (110); Blanking conveying belt (110) is connected with feeding conveyer belt (109) and forms a cycling mechanism.
2. the device that utilizes the two pushed bat kiln production VN alloy of single stage method according to claim 1, it is characterized in that: described reduction one section (100) is by body of heater 1 section of (1) and 2 sections of (2) connection formations of body of heater, reduce two sections (101) by 3 sections of (3) formations of body of heater, described reduction one section (100) and two sections of (101) firing chamber cavity section height that reduce are 380-450mm, and wide is 720-770mm.
3. the device that utilizes the two pushed bat kiln production VN alloy of single stage method according to claim 1, is characterized in that: described carbonization section (102) is by body of heater 4 sections of (4), body of heater 5 sections of (5) and 6 sections of (6) formations of body of heater; Described carbonization section firing chamber cavity section height is 450-600mm, and wide is 720-790mm.
4. the device that utilizes the two pushed bat kiln production VN alloy of single stage method according to claim 1, is characterized in that: described nitrogenize section (103) is made up of body of heater 7 sections (7), and described nitrogenize section firing chamber cavity section height is 450-380mm, and wide is 720-770mm.
5. the device that utilizes the two pushed bat kiln production VN alloy of single stage method according to claim 1, it is characterized in that: described nitridation sintered section (104) are communicated with and form to body of heater 16 sections (16) by body of heater 8 sections (8), described nitridation sintered section of firing chamber's cavity section height is 380-400mm, and wide is 700-750mm.
6. the device that utilizes the two pushed bat kiln production VN alloy of single stage method according to claim 1, it is characterized in that: described cooling one section (105) form cooling one section by body of heater 17 sections (17), cooling one section of high 380-400mm of firing chamber's cavity section, wide 700-750mm; Described cooling two sections (106) are communicated with and form to body of heater 20 sections (20), cooling two sections of high 400-600mm of (106) firing chamber cavity section, wide 700-750mm by body of heater 18 sections (18); Described cooling three sections (107) are communicated with and form to body of heater 23 sections (23), cooling three sections of high 400-600mm of (107) firing chamber cavity section, wide 700-750mm by body of heater 21 sections (21).
7. the device that utilizes the two pushed bat kiln production VN alloy of single stage method according to claim 1, is characterized in that: two ends of described calcining section are provided with Hydraulic Station (108).
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104482741A (en) * | 2014-12-29 | 2015-04-01 | 光隆精密工业(福州)有限公司 | Automatic displacement feeding, baking and cooling device and method |
CN104789843A (en) * | 2015-03-12 | 2015-07-22 | 西峡县中嘉合金材料有限公司 | Method for preparation of vanadium nitrogen alloy by pusher kiln technique |
CN105157393A (en) * | 2015-09-15 | 2015-12-16 | 山东东源新材料科技有限公司 | Continuous drying system for production of vanadium-free rare earth-based titanium tungsten powder |
CN110306106A (en) * | 2019-06-14 | 2019-10-08 | 四川展祥特种合金科技有限公司 | A kind of reverse circulation is double to push away VN alloy process units and technique |
-
2013
- 2013-11-27 CN CN201320782789.1U patent/CN203653243U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104482741A (en) * | 2014-12-29 | 2015-04-01 | 光隆精密工业(福州)有限公司 | Automatic displacement feeding, baking and cooling device and method |
CN104482741B (en) * | 2014-12-29 | 2017-01-11 | 光隆精密工业(福州)有限公司 | Automatic displacement feeding, baking and cooling device and method |
CN104789843A (en) * | 2015-03-12 | 2015-07-22 | 西峡县中嘉合金材料有限公司 | Method for preparation of vanadium nitrogen alloy by pusher kiln technique |
CN104789843B (en) * | 2015-03-12 | 2017-04-12 | 西峡县中嘉合金材料有限公司 | Method for preparation of vanadium nitrogen alloy by pusher kiln technique |
CN105157393A (en) * | 2015-09-15 | 2015-12-16 | 山东东源新材料科技有限公司 | Continuous drying system for production of vanadium-free rare earth-based titanium tungsten powder |
CN110306106A (en) * | 2019-06-14 | 2019-10-08 | 四川展祥特种合金科技有限公司 | A kind of reverse circulation is double to push away VN alloy process units and technique |
CN110306106B (en) * | 2019-06-14 | 2023-10-31 | 四川展祥特种合金科技有限公司 | Reverse circulation double-pushing vanadium-nitrogen alloy production device and process |
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