CN202442584U - Rotary reduction furnace - Google Patents
Rotary reduction furnace Download PDFInfo
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- CN202442584U CN202442584U CN2012200529223U CN201220052922U CN202442584U CN 202442584 U CN202442584 U CN 202442584U CN 2012200529223 U CN2012200529223 U CN 2012200529223U CN 201220052922 U CN201220052922 U CN 201220052922U CN 202442584 U CN202442584 U CN 202442584U
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Abstract
The utility model provides a rotary reduction furnace for reduction of metal powder. The rotary reduction furnace comprises a feeding device, a heating device, a furnace pipe, a furnace core, a refrigerating device, a heat exchanger, a discharging device, a tail gas purifying box and casters. The rotary reduction furnace adopts a bee hive furnace which continuously rotates in a high-temperature furnace pipe, so that the metal powder is sufficiently mixed with and is in collision contact with reducing gas inversely entering the furnace at a state of continuously turning over, dropping down after being blocked and running in cycle. Therefore, the gas phase diffusion resistance is reduced, the reduction time is reduced, and the consumptions of electric energy and the reducing gas can be reduced. The reduced metal powder is rapidly and strongly cooled at the turnover motion state, thereby avoiding the blocking of the metal powder, eliminating the procedures of breaking and ball-milling, reducing noises and dust, product loss and secondary oxidation of products, and improving the product quality. A thermal-insulation connection technology is adopted between a high-temperature area and a room-temperature area, so that the heat loss is prevented, and the working condition is improved. The equipment is provided with the stretchable casters, thus being convenient to mount and move.
Description
Technical field
The utility model relates to a kind of reduction furnace, especially relates to the swinging reduction furnace that is used for metal dust reducing process such as iron-based and copper base metal powder and vanadium, chromium.
Background technology
At present, the push-down reduction furnace is adopted in the reduction of iron-based, copper base metal powder usually, and the also principle of metal dusts such as vanadium, chromium adopts the vacuum reduction stove.Adopt the common trait and the defective of the reducing process process of these two kinds of type of furnaces to be: at a certain temperature; Metal dust keeps piling up static condition; Reducing gases is from the deposition surface process of metal, contacts with metal dust and reduces, owing to can not fully and effectively contact; Its reduction efficiency is low, and energy consumption is high.
In general, the main chemical reactions of relevant reduction process comprises:
FeO+H
2→Fe+H
2O
Fe
2O
3+3H
2→2Fe+3H
2O
CuO+H
2→Cu+H
2O
Cu
2O+H
2→2Cu+H
2O
NiO+H
2→Ni+H
2O
V
2O
5+H
2→2V+5H
2O
VCI
4+2H
2→V+4HCI
Cr
2O
3+3H
2→2Cr+3H
2O
---reduction---cooling---manual discharging---hand breaking---the ball milling packing of---sieving---that the general technology flow process of iron-based, copper base metal powder reduction is: manual feeding.
The push-down reduction furnace; It is simple in structure, is to adopt manual intermittent operation, in restoring operation is the metal dust that need reduce is deposited in about 20-30mm thickness in the reduction boat; Then in the high temperature reduction district slowly the batch (-type) translation contact with the reducing gases of feeding and reduce, its mass transfer effect is poor; In addition, the cooling of reduction back metal dust is through accomplishing at the peripheral cooling jacket that is provided with of the boiler tube of cooling zone, and the transfer of powder heat is mainly leaned on and reduced the transfer function of boat bottom surface; And other several directions all have gas phase to isolate; Its heat-transfer effect is poor, and therefore, the speed of the metal dust cooling after the rate of reduction of metal dust and the reduction is all very low; So that the body of heater length overall generally needs more than ten meter, and reduction cycle needs just can reach in three hours the quality requirement of reducing process.Moreover the cooled powder that reduces condenses into piece, needs hand breaking, and ball milling sieves again, so both can increase manual work and power cost, can cause that also dust from flying, product run off, and also can cause the secondary oxidation of product, makes product quality to improve.Also have, the vapor condensation thing tends to above charging aperture, form the hard crystallization of suspension type column, hinders the reduction boat and pushes, and needs the blowing out reparation.
Therefore, present push-down reduction furnace has shortcoming clearly: inefficiency, and energy consumption is high, and consumption of raw materials is high, poor working environment, powder runs off more, and product quality is undesirable.
The vacuum reduction stove also is to adopt metal dust to pile up the mode that leaves standstill to reduce, and the same reduction resistance that exists is big, and efficient is low, and energy consumption is high, and reducing gases consumes high problem.
Given this, be necessary to develop the metal powder reduction furnace of a kind of efficient, low consumption, energy-saving and environmental protection.
Summary of the invention
To above-mentioned deficiency of the prior art, the utility model provides a kind of novel rotary type reduction furnace that is used for the metal dust reduction.According to the applied chemistry principle of dynamics and according to the physical characteristic of metal material, the swinging reduction furnace that is provided has remarkable advantages at aspects such as process efficiency, energy resource consumption, operating environments in terms of existing technologies.
Said swinging reduction furnace comprises pay-off, heater, boiler tube, combustion chamber, refrigerating plant, heat exchanger and drawing mechanism, can be in the state of rolling thereby wherein said combustion chamber can rotate the feasible interior solid-phase material of said combustion chamber that places in the restoring operation process.It is inner that the main body of said combustion chamber is arranged at said boiler tube.
According to preferred embodiment; Described swinging reduction furnace; When wherein said combustion chamber rotated, said solid-phase material rolled again and again with the rotation of said combustion chamber, falls in said combustion chamber, contacted thereby fully mix continuously with the gaseous phase materials of the said combustion chamber of reverse feeding.
According to preferred embodiment, said combustion chamber can adopt honeycomb body structure, for example cylindric barrier honeycomb body structure.In addition, said combustion chamber can adopt exotic material to process.
According to preferred embodiment, be provided with the feeding rotating member in the said pay-off so that the solid-phase material in the said pay-off takes place to stir continuously.More preferably, said pay-off can carry out stepless adjustment feeding speed as required.
According to preferred embodiment, said heating furnace is arranged at outside said combustion chamber and the said boiler tube, and adopts two semicircular cylinder superposition modes, can also the subregion temperature control.
According to preferred embodiment, said drawing mechanism can stepless as required adjustment discharging speed, to keep system's material turnover balance.Preferably, thus said drawing mechanism is provided with the discharging rotating member to make and can in said drawing mechanism, be in the mobile status and cool off fast through the heat exchanger that is connected in said drawing mechanism of rolling from said combustion chamber through the solid-phase material of reduction.
According to preferred embodiment, the screw rod of said drawing mechanism is installed in the heat exchanger tube of heat exchanger.Heat exchanger adopts highly heat-conductive material to process.
According to preferred embodiment, said swinging reduction furnace also can further comprise exhaust gas cleaner.
According to preferred embodiment, said swinging reduction furnace also can further comprise a plurality of substructure members, is preferably the caster that can roll with flexible up and down.
According to preferred embodiment, said swinging reduction furnace can be divided into reducing zone and cooling zone, and said reducing zone and cooling zone are adopted to turn back to stack and be connected.
According to preferred embodiment, said boiler tube comprises high-temperature region and normal temperature district, and being connected between high-temperature region and the normal temperature district and between heat exchanger charging aperture and the reduction discharging opening all adopts heat to isolate interconnection technique.
The advantage that swinging reduction furnace described herein has comprises: reduction reaction is abundant, high efficiency, and energy consumption is low, and raw material availability is high, and powder runs off few, and good product quality has been avoided the secondary oxidation of product.
Description of drawings
Fig. 1 is the elevational schematic view that is used for the swinging reduction furnace of metal dust reduction according to a kind of specific embodiment.
Fig. 2 is the A-A schematic cross-section of combustion chamber in the swinging reduction furnace shown in Figure 1.
Fig. 3 is the swinging reduction furnace caster structural representation according to a preferred embodiment.
Fig. 4 is the sketch map of isolating connected mode according to the heat of a preferred embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further described and describes.---reduction---cooling---self-emptying---packing that the swinging reduction furnace that the utility model provided can be used in the reducing process of copper base, ferrous metals powder, and its flow process comprises: self-feeding.
In a specific embodiment, as shown in Figure 1, this paper provides swinging reduction furnace 100 to comprise pay-off 110, heater 120, boiler tube 130, combustion chamber 140, refrigerating plant 150, heat exchanger 160 and drawing mechanism 170.Wherein, Wherein pay-off 110 is communicated with combustion chamber 140; The main body of combustion chamber 140 is arranged at the inside of boiler tube 130, and heater 120 is arranged at the outside of boiler tube 130, and drawing mechanism 170 is communicated with combustion chamber 140; Heat exchanger 160 is integrated with drawing mechanism 170, and refrigerating plant 150 is used with heat exchanger 160.Wherein, thus combustion chamber 140 can rotate and makes and to place the solid-phase materials in the combustion chamber 140 can be in the state of rolling in the restoring operation process.When combustion chamber 140 rotated, said solid-phase material rolled again and again, falls with the rotation of combustion chamber 140 combustion chamber 140 in, thus with the gaseous phase materials of reverse feeding combustion chamber 140 continuously fully mixing contact and carry out reduction reaction.
In a preferred specific embodiment, combustion chamber 140 is cylindric barrier honeycomb body structure, and is processed by exotic material, for example stainless steel, refractory metal and composite thereof, or refractory ceramics, or carbon fibre material.Further preferably; Barrier honeycomb ceramics as shown in Figure 2, that combustion chamber 140 is processed by stainless steel, it is rolled into by stainless (steel) wire; Use the stainless steel strip solid welding that misplaces and arrange between every layer of net; Evenly isolate, axially the bar shaped baffle plate that is the vane type arrangement is housed the outside at column barrier honeycomb ceramics again, constitute barrier honeycomb combustion chamber.Be used for metal dust when the reducing process that carries out more than 1000 ℃, the combustion chamber manufacturing materials preferably adopts refractory metal or refractory ceramics.
In a preferred specific embodiment, boiler tube 130 materials are heat-resistance stainless steel or other resistant to elevated temperatures metal tube or alundum tube, place in the heater burner hearth; Combustion chamber 140 is sleeved in the boiler tube 130; Leaving the gap each other can relatively rotate, and the axis of combustion chamber 140 is horizontal by for example 10 ° inclination angle, and an end of its charging aperture is high; One end of reduction outlet is low, and combustion chamber 140 rotation motors are installed in reduction outlet one end.During work, combustion chamber 140 rotates in boiler tube, and driving needs the metal dust of reduction in combustion chamber 140, to roll, and ceaselessly from the barrier honeycomb ceramics, passes from top to bottom, and the metal dust that need reduce is obstructed and falls, and goes round and begins again.The metal dust that is the state of rolling fully mixes, collides with the reducing gases of reverse feeding in the high-end process that flows to low side, carries out reduction reaction, thereby realizes increasing the contact area of gas-solid two phases; Improve the contact probability between the reactant, reduce the reduction resistance, improve the function of reduction reaction speed; Shorten the time of reduction process; Reach the saving electric energy, improve the utilization rate of reducing gases, the purpose that reduces production costs.
In a preferred specific embodiment, be provided with the feeding rotating member in the pay-off 110 so that the solid-phase material in the said pay-off takes place to stir continuously.For example, said feeding rotating member is preferably screw rod, makes material to be restored to pass through from said pay-off with the mode of continuous stepless speed governing as required, and makes things convenient for the setting and the adjustment of apparatus and process parameter, and raising equipment is to the adaptability of product.
In a preferred specific embodiment, heater 120 adopts two semicircular cylinder superposition modes, divides a plurality of warm areas, is preferably three warm areas temperature control respectively.For example, body of heater adopts the mode of embedded stove silk to form with the ceramic fibre ramming, and its flame-proof thermal insulation material thermal conductivity factor is little, and thermal capacity is little, good heat insulation, quick heating.Be used for metal dust when carrying out vacuum reduction technology more than 1000 ℃, electric heating element adopts silicon-carbon, silicon molybdenum, perhaps material with carbon element, and flame-proof thermal insulation material adopts ceramic fibre or carbon fiber product.
In a preferred specific embodiment, drawing mechanism 170 adopts stepless adjustment discharging speed as required, to keep system's material turnover balance.Metal dust after reduction is accomplished, flows out along downward-sloping combustion chamber 140 under the effect of gravity and spiral tilting force through drawing mechanism 170 automatically, and the heat exchanger 160 that entering is connected with drawing mechanism 170 under the state of shift-in is rolled in maintenance cools off.
In a preferred specific embodiment, make and in drawing mechanism 170, to be in the shift-in state and cool off fast of rolling through the solid-phase material of reduction through the heat exchanger 160 that is connected in drawing mechanism 170 from combustion chamber 140 thereby drawing mechanism 170 is provided with the discharging rotating member.For example; Said discharging rotating member is preferably screw rod; It is installed in the heat exchanger tube of heat exchanger 160; And combustion chamber 140 is set to its axis and becomes an inclination angle with level and make combustion chamber 140 be lower than near pay-off 110 1 ends near drawing mechanism 170 1 ends, makes can pass through drawing mechanism 170 with the adjustable mode of continuous stepless through the solid-phase material after the reduction.The screw rod of discharging rotating member is installed in the heat exchanger tube of heat exchanger 160; By screw slowly, the metal dust after the reduction to be sent outside while cooling off, the back product of avoiding reducing lumps in cooling procedure; Can save follow-up fragmentation, ball milling operation; Saving equipment and energy savings, minimizing noise and dust are avoided the product secondary oxidation, improve the quality of products.
Heat exchanger 160 is forced quick cooling with heat conducting mode to the metal dust after reducing.In a preferred specific embodiment, heat exchanger 160 adopts highly heat-conductive material to process, and said highly heat-conductive material comprises metallic copper or stainless steel etc.The screw rod of drawing mechanism is installed in the heat exchanger tube of heat exchanger 160, and the material of heat exchanger tube is the good metal tube of heat conductivility, like copper and compo pipe or stainless steel tube etc.The material outlet of drawing mechanism after the material inlet of heat exchanger 160 and the reduction directly links to each other, and the structure of heat exchanger tube comprises nested structure or coil arrangement in the said heat exchanger 160.
When refrigerating plant 150 adopted handpiece Water Chilling Units, heat exchanger 160 was a water jacket structure; When refrigerating plant 150 provided other refrigerant, heat exchanger 160 can be the direct heat transfer of coiled structure, and coil pipe directly is wrapped in the surface of metal dust heat exchanger tube, the equal covering insulation material of heat exchanger 160 outer surfaces.For example; When heat exchanger 160 is water-jacket typ; Chilled water circular flow mistake through refrigerating plant 150 cooling is arranged in the water jacket, implement the pressure high efficient heat exchanging of the metal dust after the reduction cold with speed, simultaneously under the effect of drawing mechanism 170 rotary screws slowly outer move, cool off after discharging.Like this, the metal dust caking after can preventing to reduce saves technical process such as broken ball milling, cuts down the consumption of energy, saves manual work, minimizing dust and noise, the loss of minimizing powder, the purpose of reduce the product secondary oxidation, improving the quality of products thereby reach further.
In a preferred specific embodiment, said swinging reduction furnace also can comprise exhaust gas cleaner 180.Exhaust gas cleaner 180 with take place in the combustion chamber tail gas after the reduction reaction through dilatation, deceleration, sedimented particle after, again by hydrolock sink clean-drain, the minimizing environmental pollution.
Boiler tube 130 comprises high-temperature region and normal temperature district.In a preferred specific embodiment, being connected between high-temperature region and the normal temperature district and between heat exchanger 160 charging apertures and the reduction discharging opening all adopts heat to isolate interconnection technique, to reduce heat energy dissipation, improves working environment.Reducing gases is from the reverse feeding of combustion chamber reduction discharging opening one end, and the tail gas after the combustion chamber reduction reduces its pollution to environment through exhaust gas cleaner 180 depositing dusts, washing back emptying.
In a preferred specific embodiment, said swinging reduction furnace also can comprise a plurality of casters 190.In a preferred embodiment; As shown in Figure 3; Caster 190 can be the cast pin, the turning rolls 193 that comprises pin pipe 191, elevating mechanism 192, is connected with pin pipe 191 through elevating mechanism 192, copper sheathing 195 and the roller bearing 196 that is installed in the roller 194 on the turning rolls 193 and matches with roller 194.For example can embed the assembly (not shown) of a jack and universal iron tyre in the inside of cast pin; Jack up; When needing mobile device, the jack through separately respectively and simultaneously ejects the universal wheel of four underfooting sides, and equipment can easily be implemented to move; Behind mobile the finishing, unclamp jack, roller 194 is withdrawn in the pin pipes 191 automatically.
Whole reduction furnace is divided into reducing zone and cooling zone, and for example, said reducing zone comprises heater 120, boiler tube 130, combustion chamber 140 and exhaust gas cleaner 180; Said cooling zone comprises drawing mechanism 170 and refrigerating plant 150 and heat exchanger 160.In a preferred specific embodiment, said reducing zone and said cooling zone are adopted to turn back relatively and are stacked the formula structure, thereby save occupation area of equipment.
Boiler tube 130 comprises high-temperature region and normal temperature district, between said high-temperature region and the said normal temperature district and all adopt heat to isolate connected mode between the charging aperture of heat exchanger 160 and the discharging opening to be connected, in order to reduce heat energy dissipation, to improve working environment.In a preferred embodiment; As shown in Figure 4; Between the cold wall 400b in the hot wall 400a of high-temperature region and normal temperature district, be connected, wherein structurally comprise the thermal insulation board 430 that places between hot wall 400a and the cold wall 400b, make locking element 440 that hot wall 400a and cold wall 400b lock each other and heat insulating mattress 410 and the collet 420 that is provided with to locking element 440 through hot isolation method.
The above specific embodiment is to be used for to the further describing and explaining of the utility model technical scheme, is not to be used for the scope of the utility model is limited.Those skilled in the art uses the specification of the utility model and the equivalent structure that claim is done or the variation of material, all belongs to the protection domain of the utility model.
Claims (15)
1. one kind is used for the swinging reduction furnace that metal dust reduces; It comprises pay-off, boiler tube, combustion chamber, heater, drawing mechanism, heat exchanger and refrigerating plant; It is characterized in that thereby said combustion chamber can rotate the feasible interior solid-phase material of said combustion chamber that places and can be in the state of rolling, wherein said pay-off is communicated with said combustion chamber, and it is inner that the main body of said combustion chamber is arranged at said boiler tube; Said heater is arranged at the outside of said boiler tube; Said drawing mechanism is communicated with said combustion chamber, and said heat exchanger and said drawing mechanism are combined as a whole, and said refrigerating plant and said heat exchanger are used.
2. swinging reduction furnace according to claim 1; When wherein said combustion chamber rotates; Said solid-phase material rolls again and again, falls in said combustion chamber with the rotation of said combustion chamber, contacts thereby fully mix continuously with the gaseous phase materials of the said combustion chamber of reverse feeding.
3. swinging reduction furnace according to claim 2, wherein said combustion chamber are cylindric barrier honeycomb body structure and are processed by exotic material that wherein said exotic material comprises stainless steel, refractory metal, high temperature ceramic material or carbon fibre material.
4. swinging reduction furnace according to claim 1 is provided with the feeding rotating member so that the said solid-phase material in the said pay-off takes place to stir continuously in the wherein said pay-off.
5. swinging reduction furnace according to claim 4, wherein said feeding rotating member is a screw rod, makes said solid-phase material to pass through from said pay-off with the mode of continuous stepless speed governing.
6. swinging reduction furnace according to claim 1, wherein said heater are located at outside said combustion chamber and the said boiler tube, and adopt two semicircular cylinder superposition modes, and in addition, said heater is divided into three warm areas temperature control respectively.
7. swinging reduction furnace according to claim 1 makes and can in said drawing mechanism, be in the mobile status and cool off fast through the said heat exchanger that is connected in said drawing mechanism of rolling from the said solid-phase material after the said combustion chamber reduction thereby wherein said drawing mechanism is provided with the discharging rotating member.
8. swinging reduction furnace according to claim 7; Wherein said discharging rotating member is a screw rod; It is installed in the heat exchanger tube of said heat exchanger; And said combustion chamber is set to its axis, and become an inclination angle with level be that said combustion chamber is lower than near said pay-off one end near said drawing mechanism one end, makes can get into said drawing mechanism automatically with the adjustable mode of continuous stepless through the solid-phase material after the reduction.
9. swinging reduction furnace according to claim 7, wherein said heat exchanger are to adopt highly heat-conductive material to process, in order to through heat conducting mode the said solid-phase material after reducing is forced quick cooling.
10. swinging reduction furnace according to claim 8, the structure of heat exchanger tube is nested structure or coiled structure in the wherein said heat exchanger, and the material inlet in the said heat exchanger directly links to each other with material outlet.
11. swinging reduction furnace according to claim 1 further comprises exhaust gas cleaner.
12. swinging reduction furnace according to claim 11; Comprise tail gas emptying hydrolock sink in the said exhaust gas cleaner, will discharge through said tail gas emptying hydrolock sink through said exhaust gas cleaner generation dilatation, deceleration and particles settling effect through the tail gas after the said combustion chamber restoring operation.
13. swinging reduction furnace according to claim 1 further comprises a plurality of substructure members, is provided with also can roll flexible so that the installation and moving of said swinging reduction furnace with up and down with the bottom of said swinging reduction furnace.
14. swinging reduction furnace according to claim 1; It comprises employing turn back the relatively reducing zone and the cooling zone of stacked configuration; Wherein said reducing zone comprises said heating furnace, said boiler tube and said combustion chamber, and said cooling zone comprises said drawing mechanism, said refrigerating plant and said heat exchanger.
15. swinging reduction furnace according to claim 1; Wherein said boiler tube comprises high-temperature region and normal temperature district, all adopts heat isolation connected mode to be connected between said high-temperature region and the said normal temperature district and between the charging aperture of reduction discharging opening and said heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200529223U CN202442584U (en) | 2012-02-17 | 2012-02-17 | Rotary reduction furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200529223U CN202442584U (en) | 2012-02-17 | 2012-02-17 | Rotary reduction furnace |
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| CN202442584U true CN202442584U (en) | 2012-09-19 |
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| CN2012200529223U Expired - Fee Related CN202442584U (en) | 2012-02-17 | 2012-02-17 | Rotary reduction furnace |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121106A (en) * | 2012-12-28 | 2013-05-29 | 六安市晖润粉末新材料有限公司 | Electrolytic copper powder drying and restoring continuous processing device and process |
| CN105115187A (en) * | 2015-09-18 | 2015-12-02 | 天津阜昭合金材料有限公司 | Integrated heating and refrigerating device used for permanent magnet powder |
| CN105258495A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln |
| CN105627735A (en) * | 2016-02-26 | 2016-06-01 | 四川鸿舰重型机械制造有限责任公司 | Reduction kiln used for producing vanadium trioxide |
| CN106392095A (en) * | 2016-11-28 | 2017-02-15 | 攀枝花市仁通钒业有限公司 | Metal powder gas reduction equipment |
| CN107983969A (en) * | 2017-12-29 | 2018-05-04 | 深圳微纳增材技术有限公司 | A kind of device and its application method for continuous reducing metal powder |
| CN108139159A (en) * | 2015-10-14 | 2018-06-08 | 巴斯夫欧洲公司 | Heat leak pipe containing composite fibre ceramics |
| CN109108302A (en) * | 2017-06-23 | 2019-01-01 | 赣州海盛钨钼集团有限公司 | A kind of rotary reduction furnace for high purity tungsten production |
| CN109850901A (en) * | 2019-03-28 | 2019-06-07 | 湖南信之材料工程技术有限责任公司 | It is a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide |
| CN110756569A (en) * | 2019-11-07 | 2020-02-07 | 朱建月 | Novel treatment equipment for melting fly ash |
| CN113405367A (en) * | 2021-06-22 | 2021-09-17 | 四川长虹格润环保科技股份有限公司 | Lithium battery recovery powder reduction equipment and ternary lithium battery recovery powder reduction method |
-
2012
- 2012-02-17 CN CN2012200529223U patent/CN202442584U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121106A (en) * | 2012-12-28 | 2013-05-29 | 六安市晖润粉末新材料有限公司 | Electrolytic copper powder drying and restoring continuous processing device and process |
| CN103121106B (en) * | 2012-12-28 | 2017-04-19 | 六安市晖润粉末新材料有限公司 | Electrolytic copper powder drying and restoring continuous processing process |
| CN105115187A (en) * | 2015-09-18 | 2015-12-02 | 天津阜昭合金材料有限公司 | Integrated heating and refrigerating device used for permanent magnet powder |
| CN105115187B (en) * | 2015-09-18 | 2017-05-10 | 天津阜昭合金材料有限公司 | Integrated heating and refrigerating device used for permanent magnet powder |
| CN105258495A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln |
| CN108139159A (en) * | 2015-10-14 | 2018-06-08 | 巴斯夫欧洲公司 | Heat leak pipe containing composite fibre ceramics |
| CN105627735A (en) * | 2016-02-26 | 2016-06-01 | 四川鸿舰重型机械制造有限责任公司 | Reduction kiln used for producing vanadium trioxide |
| CN106392095A (en) * | 2016-11-28 | 2017-02-15 | 攀枝花市仁通钒业有限公司 | Metal powder gas reduction equipment |
| CN109108302A (en) * | 2017-06-23 | 2019-01-01 | 赣州海盛钨钼集团有限公司 | A kind of rotary reduction furnace for high purity tungsten production |
| CN107983969A (en) * | 2017-12-29 | 2018-05-04 | 深圳微纳增材技术有限公司 | A kind of device and its application method for continuous reducing metal powder |
| CN107983969B (en) * | 2017-12-29 | 2024-02-23 | 深圳微纳增材技术有限公司 | Device for continuously reducing metal powder and application method thereof |
| CN109850901A (en) * | 2019-03-28 | 2019-06-07 | 湖南信之材料工程技术有限责任公司 | It is a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide |
| CN109850901B (en) * | 2019-03-28 | 2023-10-20 | 湖南信之材料工程技术有限责任公司 | Full-automatic push boat type carbonization furnace for producing superfine tungsten carbide powder |
| CN110756569A (en) * | 2019-11-07 | 2020-02-07 | 朱建月 | Novel treatment equipment for melting fly ash |
| CN113405367A (en) * | 2021-06-22 | 2021-09-17 | 四川长虹格润环保科技股份有限公司 | Lithium battery recovery powder reduction equipment and ternary lithium battery recovery powder reduction method |
| CN113405367B (en) * | 2021-06-22 | 2023-05-23 | 四川长虹格润环保科技股份有限公司 | Lithium battery recycling powder reduction equipment and ternary lithium battery recycling powder reduction method |
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