CN2865935Y - Apparatus for producing uniform superfine metal powder body material - Google Patents
Apparatus for producing uniform superfine metal powder body material Download PDFInfo
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- CN2865935Y CN2865935Y CN 200620050026 CN200620050026U CN2865935Y CN 2865935 Y CN2865935 Y CN 2865935Y CN 200620050026 CN200620050026 CN 200620050026 CN 200620050026 U CN200620050026 U CN 200620050026U CN 2865935 Y CN2865935 Y CN 2865935Y
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- heater
- powder
- conveyer belt
- reduction
- metal powder
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Abstract
The utility model discloses a device for producing even and super fine metal powder. Powder conveying belt (8) is driven by transmission device (5) and is set on front auxiliary correction wheel (1) and back auxiliary correction wheel (7). Moreover, powder conveying belt (8) crosses in sequence front complete sealing device (2), automatic feeding device (3), reducing furnace body (4), cooling device (10), complete sealing powder collecting device (6) and back complete sealing device (11) connected in sealing series. The reducing furnace body (4) is set with gas flux control device (9). The utility model is a device for producing even and super fine metal powder with evenly distributed reducing gas flow, even furnace temperature and that can producing continuously.
Description
Technical field
This practical continuous band that relates to even metal powder material reduces, thermal decomposer, particularly relates to tungsten, molybdenum, cobalt, the continuous band reduction of nickel by powder material, the thermal decomposer of granularity, uniform ingredients.
Background technology
Equipment such as push boat type single tube, two-tube, four pipes, 14 pipes, 15 pipe furnaces are generally adopted in tungsten, molybdenum, cobalt, the reduction of nickel by powder material, thermal decomposition at present.Burn the boat charging because the said equipment all adopts, must form " dead angle " of reduction air-flow burning four jiaos of boat and two ends, cause the reducing gases distributions inhomogeneous.Make the reduction rate that burns powder body material in the boat inhomogeneous, cause the granularity of powder body material inhomogeneous, be i.e. " folder is thick " phenomenon; Simultaneously because the existence of multitube in the said equipment, non-uniform temperature between the different boiler tubes, and also the temperature field in each cross section is also inhomogeneous in the same boiler tube, has further aggravated the inhomogeneities of powder body material granularity.Meanwhile, the said equipment mostly is discontinuous formula, and non-full-automatic, human factor is a lot of in the production process, and as manually pushing away boat, people's frock boat, discharging etc. all cause the inhomogeneous of the granularity of reduction back powder and composition.Above-mentioned factor causes " folder is thick " phenomenon of reduction back powder equally.And the epigranular of powder is the key that structural material, tool materials obtain excellent properties, is the key of even tungsten-carbide powder of prepared sizes and the uniform high-performance rigid alloy of institutional framework as the tungsten powder of granularity, uniform ingredients; The preparation superfine powdery material needs lower reduction temperature, and when adopting the said equipment to prepare powder body material for guaranteeing the oxygen content of reduced powder, eliminate " half-cooked " phenomenon, often need to improve reduction temperature or prolong the recovery time, the powder particle of reduction is earlier grown up.Therefore adopt the said equipment also to be difficult to preparation homogenous superfine powder body material.
The utility model content
Technical problem to be solved in the utility model provide a kind of reducing gases distributions evenly, the furnace body temperature field evenly and can quantity-produced produce the device of homogenous superfine metal powder material, be the performance of the structural material and the tool materials of raw material to improve with this powder.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of device of producing homogenous superfine metal powder material, by preceding auxiliary correction wheel, the auxiliary correction wheel in back, preceding full sealing apparatus, back full sealing apparatus, the autofeed device, the reduction body of heater, transmission device, the totally-enclosed powder collection device, the powder conveyer belt, gas flow control device and cooling device are formed, it is characterized in that: described powder conveyer belt assists correction wheel and back to assist on the correction wheel by actuator drives and before being located at, described powder conveyer belt passes the preceding full sealing apparatus that sealing successively is connected in series, the autofeed device, the reduction body of heater, cooling device, totally-enclosed powder collection device and back full sealing apparatus, described reduction body of heater is provided with gas flow control device.
Described reduction body of heater is to be provided with refractory material at bottom of furnace body, on described refractory material, be lined with carborundum plate, be provided with boiler tube on described carborundum plate top, below described carborundum plate, axially evenly be provided with the following heating tube that runs through setting along the body of heater radial level along body of heater, axially evenly be provided with along body of heater above the described boiler tube run through along the body of heater radial level setting on heating tube, be provided with insulation material in described side wall of furnace and top, axially evenly be provided with along the body of heater radial level along body of heater at described sidewall of the furnace body and be provided with and corresponding to the air inlet pipe of described boiler tube.
Described totally-enclosed powder collection device is to be provided with on support by reductor material brush that drive and corresponding with described powder conveyer belt, on described support, also be provided with the material scraping plate corresponding with described powder conveyer belt and with described material brush and corresponding lower-left hopper and the bottom right hopper of material scraping plate, be respectively equipped with left Pneumatic butterfly valve group and right Pneumatic butterfly valve group at described lower-left hopper and hopper bottom, bottom right.
Adopt the device of the production homogenous superfine metal powder material of technique scheme, raw material enters the powder conveyer belt by the autofeed device, the autofeed device has full-automatic even feeding function, can adjust feed thickness and cloth width, can be automatically equably with feed distribution on the powder conveyer belt, guarantee that feed is stable, evenly.The powder conveyer belt is by actuator drives, and transmission has aligning, leveling, centering function to powder, and conclusive evidence powder conveyer belt is in the center of reduction body of heater.Preceding auxiliary correction wheel, back assist the correction wheel to have auxiliary deviation-correcting function.At the uniform velocity entered in the boiler tube of reduction body of heater by powder conveyer belt loading raw material, the speed of powder conveyer belt can be adjusted, thereby adapts to the needs of technology; The reduction body of heater is made up of boiler tube and refractory material, insulation material, and boiler tube adopts ripple struction to guarantee the intensity of boiler tube; The reduction body of heater adopts many warm areas independence temperature control, and adopts the structure of upper and lower surface heating, fills up carborundum plate under the reduction furnace boiler tube, thereby guarantees the temperature unanimity of same cross section boiler tube width in the reduction furnace; Adopt simultaneously at sidewall of the furnace body and axially evenly be provided with along the setting of body of heater radial level and guarantee the air-flow unanimity of same cross section boiler tube width corresponding to the air feeder structure of boiler tube along body of heater.The totally-enclosed system can realize the recovery of reducing gas.Raw material at the uniform velocity reduces body of heater uniformly by same cross-section temperature field, airflow field, evenly enters the totally-enclosed powder collection device again in the cooling device cooling after reduction or the thermal decomposition, realizes that the totally-enclosed of powder body material is collected automatically, prevents the oxidation of powder body material.The totally-enclosed powder collection device can also be realized the cleaning of powder conveyer belt.
Advantage of the present utility model and remarkable result show as:
Powder body material composition, the epigranular of producing, steady quality; Particle, ultra-fine, nano-powder material in being fit to produce; Closed system can be realized the recovery of reducing gas; The automation degree of equipment height uses this device can large-scale production, the automaticity height, and production capacity is big, and technological process is short, the production efficiency height, production cost is low, and powder size is even, particle, ultra-fine and nanometer powder in being particularly suitable for producing.
In sum, the utility model is that a kind of reducing gases distributions is even, the furnace body temperature field is even and the device of energy quantity-produced production homogenous superfine metal powder material, is the performance of the structural material and the tool materials of raw material to improve with this powder.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is along A-A line cutaway view among Fig. 1;
Fig. 3 is along B-B line cutaway view among Fig. 1;
Fig. 4 be among Fig. 1 C to view.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, on the auxiliary correction wheel 7 of preceding auxiliary correction wheel 1 and back, be provided with the powder conveyer belt 8 that drives by transmission device 5, described powder conveyer belt 8 passes preceding full sealing apparatus 2, autofeed device 3, reduction body of heater 4, cooling device 10, totally-enclosed powder collection device 6 and the back full sealing apparatus 11 that sealing successively is connected in series, and described reduction body of heater 4 is provided with gas flow control device 9; Reduction body of heater 4 is to be provided with refractory material 21 in body of heater 20 bottoms, on refractory material 21, be lined with carborundum plate 22, be provided with boiler tube 23 on carborundum plate 22 tops, below carborundum plate 22, axially evenly be provided with the following heating tube 24 that runs through setting along body of heater 20 radial levels along body of heater 20, axially evenly be provided with along body of heater 20 above the boiler tube 23 run through along body of heater 20 radial levels setting on heating tube 25, be provided with refractory fibre burner hearth 26 in the two side of body of heater 20, the top is provided with lift-on/lift-off type refractory fibre furnace roof 27, axially evenly is provided with along body of heater 20 radial level settings and corresponding to the air inlet pipe 28 of boiler tube 23 along body of heater 20 at body of heater 20 sidewalls; Totally-enclosed powder collection device 6 on support 12, be provided with by reductor 13 drive, the material corresponding with described powder conveyer belt 8 brush 14, on described support 12, also be provided with material scraping plate 15 corresponding and lower-left hopper 16 and the bottom right hopper 17 corresponding, be respectively equipped with left Pneumatic butterfly valve group 18 and right Pneumatic butterfly valve group 19 at described lower-left hopper 16 and bottom right hopper 17 bottoms with described material brush 14 and material scraping plate 15 with described powder conveyer belt 8.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, adopt the device of the production homogenous superfine powder body material of technique scheme, raw material enters powder conveyer belt 8 by autofeed device 3, autofeed device 3 has full-automatic even feeding function, can adjust feed thickness and cloth width, can be automatically equably with feed distribution on powder conveyer belt 8, guarantee that feed is stable, evenly.Powder conveyer belt 8 is driven by transmission device 5, and powder conveyer belt 8 is had aligning, leveling, centering function, and conclusive evidence powder conveyer belt 8 is in the center of reduction body of heater 4.Preceding auxiliary correction wheel 1, back assist correction wheel 7 to have auxiliary deviation-correcting function.Load raw materials by powder conveyer belt 8 and at the uniform velocity enter boiler tube in the reduction body of heater 4, the speed of powder conveyer belt 8 can be adjusted, thereby adapts to the needs of technology; Reduction body of heater 4 is made up of boiler tube and refractory material, insulation material.Boiler tube 23 adopts ripple struction to guarantee the intensity of boiler tube.Reduction body of heater 4 adopts many warm areas independence temperature control, below carborundum plate 22, axially evenly be provided with the following heating tube 24 that runs through setting along body of heater 20 radial levels along body of heater 20, axially evenly be provided with along body of heater 20 above the boiler tube 23 run through along body of heater 20 radial levels setting on heating tube 25, run through about heating tube adopts to be provided with and be beneficial to the heating tube replacing, and the structure that adopts upper and lower surface to heat, pad carborundum plate 22 under reduction furnace boiler tube 23, thereby guarantee the temperature unanimity of same cross section boiler tube 23 widths in the reduction furnace 4, as shown in Figure 2; Adopt simultaneously at body of heater 20 sidewalls and axially evenly be provided with along stove 20 body radial level settings and guarantee the air-flow unanimity of same cross section boiler tube 23 widths corresponding to air inlet pipe 28 structures of boiler tube 23 along body of heater 20.The totally-enclosed system can realize the recovery of reducing gas.Raw material is at the uniform velocity by same cross-section temperature field, airflow field reduces body of heater 4 uniformly, evenly enter totally-enclosed powder collection device 6 again in cooling device 10 coolings after reduction or the thermal decomposition, the totally-enclosed of realization powder body material is collected automatically, as shown in Figure 3, material scraping plate 15 adopts herringbone structure, powder conveyer belt 8 top materials can be swept in lower-left hopper 16 and the bottom right hopper 17, reductor drives the material brush and rotates, leftover materials on the powder conveyer belt 8 are swept in lower-left hopper 16 and the bottom right hopper 17, lower-left hopper 16 and bottom right hopper 17 bottoms are respectively equipped with left Pneumatic butterfly valve group 18 and right Pneumatic butterfly valve group 19, operation easily, convenient, totally, simultaneously, open by two groups of butterfly valves intersections, close, guarantee the sealing of silo, prevent that extraneous gas from infiltrating in lower-left hopper 16 and the bottom right hopper 17, prevents the oxidation of powder body material.Totally-enclosed powder collection device 6 can also be realized the cleaning of powder conveyer belt.
Autofeed device 3 is evenly distributed in powder stock on the powder conveyer belt 8, enter in the boiler tube of same cross-section temperature field, airflow field stabilized uniform reduction body of heater 4, powder stock is successively through evenly reduction or the thermal decomposition of the adjustable warm area of a plurality of temperature, enter cooling device 10 and cool off, carry out the anaerobic collection of finished product at last by totally-enclosed powder collection device 6.
Powder stock can be powder body materials such as tungsten oxide, molybdenum oxide, cobalt oxalate, cobalt oxide, nickel oxalate, nickel oxide, and according to the technology difference, temperature can be from 500 ℃ to 1100 ℃, and the gas of reduction or thermal decomposition can be N
2, H
2, Ar
2, decomposed ammonia body or ammonia burning gases, reduction body of heater 4 can be divided into 3 districts, 4 districts or 5 districts.The gas of reduction or thermal decomposition can reclaim or burn.
Claims (4)
1, a kind of device of producing homogenous superfine metal powder material, by preceding auxiliary correction wheel (1), the auxiliary correction wheel in back (7), preceding full sealing apparatus (2), back full sealing apparatus (11), autofeed device (3), reduction body of heater (4), transmission device (5), totally-enclosed powder collection device (6), powder conveyer belt (8), gas flow control device (9) and cooling device (10) are formed, it is characterized in that: auxiliary correction was taken turns on (1) and the auxiliary correction wheel in back (7) before described powder conveyer belt (8) was driven and is located at by transmission device (5), described powder conveyer belt (8) passes the preceding full sealing apparatus (2) that sealing successively is connected in series, autofeed device (3), reduction body of heater (4), cooling device (10), totally-enclosed powder collection device (6) and back full sealing apparatus (11), described reduction body of heater (4) is provided with gas flow control device (9).
2, the device of production homogenous superfine metal powder material according to claim 1, it is characterized in that: described reduction body of heater (4) is to be provided with refractory material (21) at bottom of furnace body, on described refractory material (21), be lined with carborundum plate (22), be provided with boiler tube (23) on described carborundum plate (22) top, axially evenly be provided with the following heating tube (24) that runs through setting along stove (20) body radial level in described carborundum plate (22) below along body of heater (20), axially evenly be provided with the last heating tube (25) that runs through setting along body of heater (20) radial level in described boiler tube (23) top along body of heater (20), described body of heater (20) the two side be provided with refractory fibre burner hearth (26), the top is provided with lift-on/lift-off type refractory fibre furnace roof (27), axially evenly is provided with along body of heater (20) radial level setting and corresponding to the air inlet pipe (28) of described boiler tube (23) along body of heater (20) at described body of heater (20) sidewall.
3, the device of production homogenous superfine metal powder material according to claim 2 is characterized in that: described boiler tube (23) is a corrugated furnace tube.
4, according to claim 1, the device of 2 or 3 described production homogenous superfine metal powder materials, it is characterized in that: described totally-enclosed powder collection device (6) is provided with on support (12) by reductor (13) and drives, the material brush (14) corresponding with described powder conveyer belt (8), on described support (12), also be provided with the material scraping plate (15) corresponding and brush (14) and corresponding lower-left hopper (16) and the bottom right hopper (17) of material scraping plate (15), be respectively equipped with left Pneumatic butterfly valve group (18) and right Pneumatic butterfly valve group (19) at described lower-left hopper (16) and bottom right hopper (17) bottom with described material with described powder conveyer belt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050026 CN2865935Y (en) | 2006-02-15 | 2006-02-15 | Apparatus for producing uniform superfine metal powder body material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050026 CN2865935Y (en) | 2006-02-15 | 2006-02-15 | Apparatus for producing uniform superfine metal powder body material |
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| Publication Number | Publication Date |
|---|---|
| CN2865935Y true CN2865935Y (en) | 2007-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620050026 Expired - Lifetime CN2865935Y (en) | 2006-02-15 | 2006-02-15 | Apparatus for producing uniform superfine metal powder body material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297597A (en) * | 2011-08-01 | 2011-12-28 | 长兴县科奥陶业有限公司 | Turning device for powder material of steel strip furnace |
| CN106111979A (en) * | 2016-08-31 | 2016-11-16 | 广东省钢铁研究所 | A kind of automatic annealing device of magnetically soft alloy powder body decomposed ammonia |
| CN113399677A (en) * | 2021-05-14 | 2021-09-17 | 湖南富栊新材料股份有限公司 | Production process of iron-nickel metal powder |
-
2006
- 2006-02-15 CN CN 200620050026 patent/CN2865935Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297597A (en) * | 2011-08-01 | 2011-12-28 | 长兴县科奥陶业有限公司 | Turning device for powder material of steel strip furnace |
| CN106111979A (en) * | 2016-08-31 | 2016-11-16 | 广东省钢铁研究所 | A kind of automatic annealing device of magnetically soft alloy powder body decomposed ammonia |
| CN113399677A (en) * | 2021-05-14 | 2021-09-17 | 湖南富栊新材料股份有限公司 | Production process of iron-nickel metal powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongyi Zhangyuan Tungsten Co.,Ltd. Assignor: Dai Yu|Tan Xinglong Contract fulfillment period: 2008.8.15 to 2013.8.14 Contract record no.: 2008360000058 Denomination of utility model: Apparatus for producing uniform superfine metal powder body material Granted publication date: 20070207 License type: Exclusive license Record date: 20081114 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.15 TO 2013.8.14; CHANGE OF CONTRACT Name of requester: CHONGYI ZHANGYUAN TUNGSTEN CO., LTD. Effective date: 20081114 |
|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: TAN XINGLONG Effective date: 20130216 Owner name: HUNAN DINGLI TECHNOLOGIES CO., LTD. Free format text: FORMER OWNER: DAI YU Effective date: 20130216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410111 CHANGSHA, HUNAN PROVINCE TO: 410118 CHANGSHA, HUNAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130216 Address after: 410118 Hunan province Changsha Zhongyi road two top technology park Muyun Industrial Zone Patentee after: Advanced Corporation for Materials & Equipments Co., Ltd. Address before: 410111 Hunan province city Changsha Tuo Xiang GUI Jingcun Patentee before: Dai Yu Patentee before: Tan Xinglong |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070207 |
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| EXPY | Termination of patent right or utility model |