CN206418169U - A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven - Google Patents
A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven Download PDFInfo
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- CN206418169U CN206418169U CN201621484188.2U CN201621484188U CN206418169U CN 206418169 U CN206418169 U CN 206418169U CN 201621484188 U CN201621484188 U CN 201621484188U CN 206418169 U CN206418169 U CN 206418169U
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- 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
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Drying Of Solid Materials (AREA)
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Abstract
Single crude product vacuum drying oven is evaporated the utility model discloses many metals distillation temperature control condensed components, distillation vacuum drying oven and multi-stage condensing device are provided separately, condensed after making metal distillation gasification, it will not be influenceed by the heater one of vacuum drying oven, the effect that is connected between condenser and distillation vacuum drying oven prevents the backflow of metallic vapour, fundamentally solves the problem of liquid metal distilled out easily second distillation occurs；Improve the quality of distillation condensing metal；And two cooling devices are set on condenser, cooldown rate can be improved, the metal condensation time is saved, and set by the sensor of multiple spot, the temperature in monitoring condenser, passes through the adjustment of cooling device and heater two in real time, make the temperature control of condenser within the scope of the temperature needed for metal condensation, ensure the degree of purity of condensing metal, device energy conservation environmental protection of the present utility model, technological process is short, floor space is small, industrial automation easily is realized, keeps the safety in production, is saved greatly production cost.
Description
Technical field
The utility model is related to the technical field of metal smelt, more particularly to a kind of many metal distillation temperature control condensations
Component evaporates single crude product vacuum drying oven.
Background technology
Reduction distillation is carried out simultaneously in metallurgical equipment, gold after reduction and reduction of the whole process including metal oxide
The volatilization of category is with condensing several steps.Reduction distillation is a kind of unique metallurgical method, be with reduced metal at high temperature, energy
Premised on a large amount of volatilizations, solid or liquid metals have certain vapour pressure at a certain temperature, and metal vapour pressure with temperature
Raise and increase.
At present, distillation technique is actually rare in the equipment that vacuum distillation is provided separately with condensing crude metal, most
Set condenser to reclaim metal in vacuum drying oven or set condensation pipe to be used to cool down the metal after distillation in a vacuum furnace.Due to sense
Distillation should be heated to be set together with condensation recovery, unit power consumption amount is high, and the liquid metal distilled out second distillation easily occurs and showed
As the quality of influence distillation condensing metal.
Chinese utility model patent application number CN201210164816.9 discloses a kind of fractional condensaion vacuum drying oven, including divides
Multiple condensate pans are set in level condensate vacuum body of heater, condensate pans are superimposed setting as food steamer, and the temperature of condensate pans is bottom-up
Constantly reduction, raw material is generated heat by graphite heater, and the different parts that metal vapors enters condenser are condensed, separation is reached
Purpose.The condensate pans of such a structure are set in a vacuum furnace, and condensate pans are with stove heat, heat shadow of the condensate pans by graphite heater
Ring, condensation effect is bad；Need to remove condensate pans at different levels when taking out condensing metal, obtain separating metal；When distilling again, need by
Condensate pans lay back vacuum drying oven；The production efficiency of this equipment is relatively low, and operation is more complicated, and during condensing metal, institute's calorific requirement is more,
Production cost is higher.
The content of the invention
The technical problems to be solved in the utility model is to overcome drawbacks described above to condense there is provided a kind of many metal distillation temperature controls
Component evaporates single crude product vacuum drying oven.
The utility model is achieved through the following technical solutions：
A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven, including distill vacuum drying oven, are arranged on steaming
Multi-stage condensing device, apparatus for vacuum producing, inductor, controller and the frame outside vacuum drying oven are evaporated, the distillation vacuum drying oven and multistage are cold
Condenser is connected by connecting tube one；Multi-stage condensing device is connected with apparatus for vacuum producing；It is described to distill vacuum drying oven, multi-stage condensing device and take out true
Pocket is connected with controller communication and is arranged in frame；
The distillation vacuum drying oven includes fire door, body of heater, the heater one installed in furnace interior；
The multi-stage condensing device is that two or more condenser is arranged in series, and is connected between the condenser by connecting tube two；
The condenser is tank body, and the tank body lower end is provided with discharging opening；The discharging opening is provided with vacuum valve；Outside the condenser
Wall is provided with cooling device one, and the inwall of the condenser is provided with connecting plate one, and the connecting plate one, which is provided with, to be used to install cold
But the pipeline of device two, the inwall of the pipeline is provided with cooling device two.
Many metal distillation temperature control condensed components of the present utility model, which evaporate single crude product vacuum drying oven, will distill vacuum drying oven and many
Level condenser is provided separately, and is condensed, will not be influenceed by the heater one of vacuum drying oven, from basic after making metal distillation gasification
On solve the problem of liquid metal distilled out easily second distillation occurs；Ensure the quality of distillation condensing metal.
Condenser sets multiple, can be according to the property of the metal oxide of reduction distillation, to adjust the quantity of condenser.Gold
Category vapour is directly passed through multi-stage condensing device from vacuum drying oven, can be according to gold by controlling the thermograde of multi-stage condensing device
Saturated vapor pressure at the different temperature of category is different, realizes the condensation separation of metal.
The outer wall of condenser is provided with cooling device one, and the overall temperature of condenser, condenser are controlled by cooling device one
The inwall of pipeline is provided with cooling device two；The cooling device two is used to adjust from distillation vacuum drying oven Metal gasification thing after distillation
Temperature, reduce Metal gasification thing temperature, make metal condensation.Controlled, made cold by the coordination of condenser one and condenser two
The temperature needed for metal condensation is reached inside condenser, condensation effect is good, and controllability is strong.
In addition, the lower end of condenser sets the discharging opening for being provided with vacuum valve, the flow velocity of condensed liquid metal passes through
Vacuum valve regulation.
Further, the bottom surface of the connecting tube one is identical with the level height of connecting plate one, the top surface of the connecting tube two
It is identical with the level height of connecting plate one.
The bottom surface of connecting tube one is identical with the level height of connecting plate one, it is ensured that metallic vapour is passed through cold by the upper end of condenser
But the lower end of the pipeline flow-direction condenser of device two, is condensed to metallic vapour, and prevents the backflow of metallic vapour, it is to avoid
There is second distillation phenomenon in metal.
The top surface of connecting tube two is identical with the level height of connecting plate one, it is ensured that metallic vapour passes through previous condenser
Condensation completely after, enter back into next condenser, make metal condensation fully, and condensation after metal high purity.
Further, it is additionally provided with temperature sensor one in the connecting tube one.
Further, it is additionally provided with temperature sensor two between the cooling device two of the condenser and tank body lower end.
Temperature sensor one can be monitored to the temperature for the Metal gasification thing for distilling vacuum outlet of still, temperature sensor two
The temperature of Metal gasification thing in condenser by cooling device two can be monitored, by the monitoring of temperature so as to cold
Flow, flow velocity of cooling device one of condenser etc. are adjusted, and the temperature in condenser is reached temperature needed for metal condensation, are increased
Plus metal condensation quality.
Further, the tank body lower end of the condenser is inverted cone-shaped, and temperature sensor three is additionally provided with close to tapered bottom.
Further, the back taper bottom is additionally provided with heater two.
The tank body lower end of condenser is used to hold condensed liquid metal, multistage after after Metal gasification thing all condensation
Liquid metal in condenser is drawn off by discharging opening, to ensure the unobstructed of liquid outlet, it is necessary to which the temperature of liquid metal is kept
At a temperature of liquid metal state, the sensor three monitors the temperature of liquid metal, by heater two to discharge outlet
Metal temperature is controlled, it is ensured that condensed metal is liquid, is conducive to drawing off for liquid metal.
Further, the cooling device one is the semi-circular tube being welded in condenser outer walls.
The semi-circular tube is spirally coiled in the outer wall of condenser, the cooling effect of cooling device one is reached most preferably.
Cooling device one is that semi-circular tube is welded on condenser outer walls, by Guan Zhongtong cooling waters, to adjust the temperature of condenser
Degree, makes the Metal gasification thing after distillation reach condensation temperature, meanwhile, cooling device one is arranged on condenser outer walls, cooling device
During one failure, the inside without opening condenser is overhauled, and is conducive to repairing and is managed.
Further, the heater one includes calandria and positive and negative electrode rod, and it is true that the calandria is arranged on distillation
Empty furnace interior, described positive and negative electrode one end is connected with calandria, and the other end is connected with distillation vacuum drying oven inwall and stretches out distillation very
Empty furnace outer wall；Preferably, the material of the calandria can use graphite or carborundum.
Further, the inboard wall of furnace body of the distillation vacuum drying oven is provided with heat insulation layer, makes distillation vacuum drying oven heat-insulation and heat-preservation
It is better, increase the utilization rate of heat, save the energy.
Preferably, the heater one is arranged on the centre position of vacuum drying oven, vacuum drying oven direct electro heating reducing metal,
Make evaporation of metal, workshop need not set chimney, production technology environmental protection.This vacuum drying oven distillation metal needs not move through ash and blows work
Skill, it is to avoid volume of smoke and poisonous tail gas pollution on the environment, while also increasing the rate of recovery of metal.
Further, the fire door is arranged on one end of distillation vacuum drying oven, and the fire door passes through negative and positive with distillation vacuum drying oven
Groove is connected.The fire door is connected with distillation vacuum drying oven by negative and positive groove, it is ensured that the sealing of distillation vacuum drying oven.
Compared with now with technology, the utility model has the advantages that：
Many metal distillation temperature control condensed components of the present utility model, which evaporate single crude product vacuum drying oven, will distill vacuum drying oven and many
Level condenser is provided separately, and is condensed, will not be influenceed by the heater one of vacuum drying oven, from basic after making metal distillation gasification
On solve the problem of liquid metal distilled out easily second distillation occurs；Improve the quality of distillation condensing metal.
Condenser of the present utility model sets multiple, and Metal gasification thing is directly passed through multi-stage condensing device from vacuum drying oven, leads to
The thermograde of control multi-stage condensing device is crossed, different metals can be obtained simultaneously, production efficiency is greatly improved.
Two cooling devices are set on condenser, cooldown rate can be improved, the metal condensation time are saved, and pass through multiple spot
Sensor set, in real time monitoring condenser in temperature, by the adjustment of cooling device and heater two, make condenser
Temperature control is within the scope of the temperature needed for metal condensation, it is ensured that the degree of purity of condensing metal.
Many metal distillation temperature control condensed components of the present utility model evaporate single crude product vacuum drying oven need not by distillation vacuum drying oven
By grey blow moulding, numerous and diverse technique is greatly alleviated, it is to avoid volume of smoke and poisonous tail gas pollution on the environment.
The utility model is by vacuum drying oven direct electro heating reducing process, and workshop need not set chimney, production technology environmental protection.
Many metal distillation temperature control condensed components of the present utility model evaporate single crude product vacuum furnace thermal efficiency height, energy-saving ring
Protect, technological process is short, and occupation area of equipment is small, easily realizes industrial automation, safety in production is saved greatly and is produced into
This.
Brief description of the drawings
Fig. 1 many metal distillation temperature control condensed components described in the utility model evaporate single crude product vacuum drying oven structural representation.
Fig. 2 many metal distillation temperature control condensed components described in the utility model evaporate the fire door and body of heater of single crude product vacuum drying oven
The schematic diagram of connection.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of accompanying drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Embodiment 1
As depicted in figs. 1 and 2, many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven, including distillation vacuum
Stove 10, the multi-stage condensing device 20 being arranged on outside distillation vacuum drying oven 10, apparatus for vacuum producing 30, inductor, controller（It is not shown）With
Frame 40, distillation vacuum drying oven 10 is connected with multi-stage condensing device 20 by connecting tube 1, multi-stage condensing device 20 and apparatus for vacuum producing 30
Connection；Distillation vacuum drying oven 10, multi-stage condensing device 20 and apparatus for vacuum producing 30 are connected with controller communication and are arranged in frame 40.
In this implementation, distillation vacuum drying oven 10 includes fire door 11, body of heater 12, the heater one inside body of heater 12
13；Fire door 11 is arranged on one end of distillation vacuum drying oven 10, and fire door 11 is connected with distillation vacuum drying oven 10 by negative and positive groove 14；Protect
The sealing of distillation vacuum drying oven 10 is demonstrate,proved.
Heater 1 includes calandria 133, positive electrode rod 131 and negative electrode rod 132, and calandria 133 is arranged on steaming
Evaporate inside vacuum drying oven 10, positive electrode rod 131 and the one end of negative electrode rod 132 are connected with calandria 133, the other end and distillation vacuum drying oven
10 inwalls are connected, and stretch out the distillation outer wall of vacuum drying oven 10；In this implementation, the material of calandria 133 uses graphite.
In this implementation, multi-stage condensing device 20 is that two condensers 201 are arranged in series, and passes through connecting tube two between condenser 201
60 are connected；Condenser 201 is tank body, and tank body lower end is provided with discharging opening 202；Discharging opening 202 is provided with vacuum valve 203；Condenser
201 outer wall is provided with cooling device 1, and cooling device 1 is the semi-circular tube being welded on the outer wall of condenser 201；Semicircle
Pipe is spirally coiled in the outer wall of condenser 201, by Guan Zhongtong cooling waters, to adjust the temperature of condenser 201, reaches distillation gas
Change the temperature of metal condensation.
The inwall of condenser 201 is provided with connecting plate 1, and connecting plate 1, which is provided with, to be used to install cooling device two
207 pipeline 206, the inwall of pipeline 206 is provided with cooling device 2 207；Cooling device 2 207 uses condenser coil.
Many metals distillation temperature control condensed components of this implementation, which evaporate single crude product vacuum drying oven, will distill vacuum drying oven 10 and multistage
Condenser 20 is provided separately, and is condensed after making metal distillation gasification, will not be influenceed, solve by the heater 1 of vacuum drying oven 10
The problem of easily there is second distillation in the liquid metal distilled out of having determined；Ensure the quality of distillation condensing metal.
In this implementation, the bottom surface of connecting tube 1 is identical with the level height of connecting plate 1, the top surface of connecting tube 2 60 and company
The level height of fishplate bar 1 is identical.
The bottom surface of connecting tube 1 is identical with the level height of connecting plate 1, it is ensured that metallic vapour is upper by condenser 201
End, flows to the lower end of condenser 201 by the pipeline 206 of cooling device 2 207, metallic vapour is condensed, and prevents
The backflow of metallic vapour, it is to avoid second distillation phenomenon occurs in metal.
The top surface of connecting tube 2 60 is identical with the level height of connecting plate 1, it is ensured that metallic vapour passes through previous cold
After the condensation of condenser 201 is complete, enter back into next condenser 201, make metal condensation fully, and condensation after metal degree of purity
It is high.
In addition, being additionally provided with temperature sensor 1 in connecting tube 1；The cooling device 2 207 and tank body of condenser 201
Temperature sensor 2 209 is additionally provided between lower end.
The temperature for the Metal gasification thing that temperature sensor 1 can be exported to distillation vacuum drying oven 10 is monitored, and temperature is passed
Sensor 2 209 can pass through temperature to being monitored in condenser 201 by the temperature of the Metal gasification thing of cooling device 2 207
The monitoring of degree is adjusted so as to flow, flow velocity of cooling device 1 to condenser 201 etc., makes the temperature in condenser 201
Degree reaches temperature needed for metal condensation, the distillation of increase metal and condensation quality.
The tank body lower end of condenser 201 is inverted cone-shaped, and temperature sensor 3 210 is additionally provided with close to tapered bottom.
Back taper bottom is additionally provided with heater two（It is not shown）.
The tank body lower end of condenser 201 is used to hold condensed liquid metal, many after after Metal gasification thing all condensation
Liquid metal in level condenser 20 is drawn off by discharging opening 202, to ensure the unobstructed of liquid outlet 202, it is necessary to by liquid metal
Temperature be maintained at liquid metal state at a temperature of, sensor 3 210 monitors the temperature of liquid metal, by two pairs of heater
The temperature of metal is controlled at discharging opening 202, it is ensured that condensed metal is liquid, is conducive to drawing off for liquid metal.
The inboard wall of furnace body for distilling vacuum drying oven 10 is provided with heat insulation layer, makes the heat insulation and preservation effect of distillation vacuum drying oven 10 more preferably,
Increase the utilization rate of heat, save the energy.
In this implementation, heater 1 is arranged on the centre position of vacuum drying oven 10, the reduction of the direct electro heating of vacuum drying oven 10
Metal, makes evaporation of metal, and workshop need not set chimney, production technology environmental protection.
Many metals distillation temperature control condensed components of this implementation, which evaporate single crude product vacuum drying oven, will distill vacuum drying oven 10 and multistage
Condenser 20 is provided separately, and condenser 201 is separated with distillation vacuum drying oven 10, is condensed after making metal distillation gasification, will not be by
The influence of the heater 1 of vacuum drying oven, fundamentally solves the liquid metal distilled out and asking for second distillation easily occurs
Topic；Improve the quality of distillation condensing metal.
The condenser 201 of this implementation is set to 2, and Metal gasification thing is directly passed through multi-stage condensing device 20 from vacuum drying oven,
By controlling the thermograde of multi-stage condensing device 20, different metals can be obtained simultaneously, and production efficiency is greatly improved.
Two cooling devices are set on condenser 201, cooldown rate can be improved, the metal condensation time are saved, and pass through
The sensor of multiple spot is set, and the temperature in monitoring condenser 201, by the adjustment of cooling device and heater two, makes in real time
The temperature control of condenser 201 is within the scope of the temperature needed for metal condensation, it is ensured that the degree of purity of condensing metal.
This implementation many metals distillation temperature control condensed components evaporate single crude product vacuum drying oven will distill vacuum drying oven 10 without through
Grey blow moulding is crossed, greatly alleviate numerous and diverse technique, it is to avoid volume of smoke and poisonous tail gas pollution on the environment.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.It is all to be made within spirit of the present utility model and principle
Within any modifications, equivalent substitutions and improvements etc., the protection that should be included in the utility model claim.
Claims (10)
1. a kind of many metals distillation temperature control condensed components evaporate single crude product vacuum drying oven, it is characterised in that including distillation vacuum drying oven,
It is arranged on multi-stage condensing device, apparatus for vacuum producing, inductor, controller and frame outside distillation vacuum drying oven, the distillation vacuum drying oven
Connected with multi-stage condensing device by connecting tube one；Multi-stage condensing device is connected with apparatus for vacuum producing；The distillation vacuum drying oven, multi-stage condensing
Device and apparatus for vacuum producing are connected with controller communication, are arranged in frame；
The distillation vacuum drying oven includes fire door, body of heater, the heater one installed in furnace interior；
The multi-stage condensing device is that two or more condenser is arranged in series, and is connected between the condenser by connecting tube two；It is described
Condenser is tank body, and the tank body lower end is provided with discharging opening；The discharging opening is provided with vacuum valve；The outer wall of the condenser is set
There is cooling device one, the inwall of the condenser is provided with connecting plate one, and the connecting plate one, which is provided with, to be used to install cooling dress
Put two pipeline, the inwall of the pipeline is provided with cooling device two.
2. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 1, it is characterised in that institute
The bottom surface for stating connecting tube one is identical with the level height of connecting plate one, the top surface of the connecting tube two and the level height of connecting plate one
It is identical.
3. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 2, it is characterised by, it is described
Temperature sensor one is additionally provided with connecting tube one.
4. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 1, it is characterised in that institute
State and temperature sensor two is additionally provided between the cooling device two of condenser and tank body lower end.
5. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 4, it is characterised in that institute
The tank body lower end for stating condenser is inverted cone-shaped, and temperature sensor three is additionally provided with close to tapered bottom.
6. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 5, it is characterised in that institute
State back taper bottom and be additionally provided with heater two.
7. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 1, it is characterised in that institute
It is the semi-circular tube being welded in condenser outer walls to state cooling device one.
8. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 1, it is characterised in that institute
Stating heater one includes calandria and positive and negative electrode rod, and the calandria is arranged on inside distillation vacuum drying oven, described positive and negative
Electrode one end is connected with calandria, and the other end is connected with distillation vacuum drying oven inwall and stretches out distillation vacuum furnace outer wall；Preferably, institute
Graphite or carborundum can be used by stating the material of calandria.
9. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 8, it is characterised in that institute
The inboard wall of furnace body for stating distillation vacuum drying oven is provided with heat insulation layer.
10. many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven according to claim 9, it is characterised in that
The fire door is arranged on one end of distillation vacuum drying oven, and the fire door is connected with distillation vacuum drying oven by negative and positive groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484188.2U CN206418169U (en) | 2016-12-30 | 2016-12-30 | A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484188.2U CN206418169U (en) | 2016-12-30 | 2016-12-30 | A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven |
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| CN206418169U true CN206418169U (en) | 2017-08-18 |
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ID=59573996
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| CN201621484188.2U Active CN206418169U (en) | 2016-12-30 | 2016-12-30 | A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218809A (en) * | 2016-12-30 | 2017-09-29 | 郴州万墨环保科技有限公司 | A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven |
| CN108285983A (en) * | 2018-03-13 | 2018-07-17 | 昆明理工大学 | A kind of equipment and its application process of arsenic lead mixed vapour fractional condensaion |
| CN113604667A (en) * | 2021-07-26 | 2021-11-05 | 重庆赛迪热工环保工程技术有限公司 | Multi-metal vapor vacuum step condensation method and system |
| CN113897501A (en) * | 2021-09-30 | 2022-01-07 | 宁波创致超纯新材料有限公司 | Method for purifying manganese metal by vacuum distillation |
-
2016
- 2016-12-30 CN CN201621484188.2U patent/CN206418169U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218809A (en) * | 2016-12-30 | 2017-09-29 | 郴州万墨环保科技有限公司 | A kind of many metal distillation temperature control condensed components evaporate single crude product vacuum drying oven |
| CN108285983A (en) * | 2018-03-13 | 2018-07-17 | 昆明理工大学 | A kind of equipment and its application process of arsenic lead mixed vapour fractional condensaion |
| CN113604667A (en) * | 2021-07-26 | 2021-11-05 | 重庆赛迪热工环保工程技术有限公司 | Multi-metal vapor vacuum step condensation method and system |
| CN113897501A (en) * | 2021-09-30 | 2022-01-07 | 宁波创致超纯新材料有限公司 | Method for purifying manganese metal by vacuum distillation |
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