CN206783738U - A kind of aluminium skimmings isothermal melting unit - Google Patents
A kind of aluminium skimmings isothermal melting unit Download PDFInfo
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- CN206783738U CN206783738U CN201720701232.9U CN201720701232U CN206783738U CN 206783738 U CN206783738 U CN 206783738U CN 201720701232 U CN201720701232 U CN 201720701232U CN 206783738 U CN206783738 U CN 206783738U
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- aluminium
- aluminium skimmings
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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
- Y02P10/20—Recycling
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A kind of aluminium skimmings isothermal melting unit, equipment includes casing and its closure, conveying worm, aluminium skimmings solid storage box, agitating device, vacuum control system and master controller, production technology mainly realizes under vacuum conditions, the fusing of isothermal is carried out to aluminium skimmings solid by aluminium liquid own temperature, and aluminium liquid can continuously flow in the process, production under dynamic vacuum is formd.The utility model is that solid aluminium skimmings anaerobic isothermal is melted using aluminium liquid own temperature under vacuum conditions, the burn out rate of its metal is low, greatly save energy loss, caused flue gas can obtain unified collect and processing, any pollution is not produced to environment, while meeting that holding vacuum, aluminium liquid continuously flow and aluminium skimmings continuous conveying melts, production efficiency is significantly improved.
Description
Technical field
It the utility model is related to old metal recovery recycling economy and utilize technical field, more particularly to a kind of aluminium skimmings isothermal fusing
Equipment.
Background technology
An as green important topic is regarded waste aluminum recovery by the world today, and especially China has 4,000,000 every year
Ton aluminium scrap metal inventories are urgently handled.Essential industry field as recycling economy --- old metal recovery has incorporated country
13 plan key subjects.Close the filthy take-back model of small workshop mode has turned into the important measures of Chinese environmental protection regulation,
And fundamental state policy.China is the big country of an aluminium production and aluminium consumption, in this state, the big industrial production of environment-friendly type again
The advanced fundamental technology of waste aluminum recovery has been arrived at the time of must arising at the historic moment.
There is two ways to recycle aluminium scrap in the world at present, a kind of is the double chamber furance of Germany, and also one kind is
Stove mode is entered in common side.Both production technologies carry out fusing recycling, the burning of metal under aerobic conditions to aluminium skimmings
Loss rate is very high, and flue gas evacuation therein can not be controlled effectively, and energy loss is also very big.Solve environmental issue, it is necessary to
Aluminium scrap is pre-processed, this preprocess method for removing top layer residue adds its technological process and processing cost.
Utility model content
The utility model is in order to solve the defects of above-mentioned prior art is present and deficiency, there is provided a kind of aluminium skimmings isothermal fusing
Equipment, the melt processed removal process of aluminium skimmings solid is under a closed dynamic vacuum state and carried out, reduces scaling loss
Rate, environmental pollution and energy resource consumption, production cost are low.
To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of aluminium skimmings isothermal melting unit, including casing and its closure, conveying worm, aluminium skimmings solid storage box, stir
Device, vacuum control system and master controller are mixed, casing lower edge is provided with two inlet and outlet for being used for aluminium liquid flowing, imports and exports institute
Chute is provided with outside the casing of side, middle pneumatic flashboard is provided with the chute between two inlet and outlet, positioned at two
The pneumatic flashboard of inlet and outlet is provided with one or both sides chute outside inlet and outlet；The vacuum control system includes vacuum
Device, compressed air source and gas control unit, the casing and its closure, conveying worm and aluminium skimmings solid storage box are formed
Sealing space, and vacuum is formed by vacuum control system.The delivery end outlet of conveying worm and agitating device are all located at close
In capping, the movable end of agitating device is extended vertically into casing through closure, prevents aluminium skimmings to be suspended in vacuum aluminum melting liquid
Top layer cannot fully melt.By master controller can be in monitoring device conveying worm, agitating device, vacuum control system
Deng device.
Preferably, it is used to detect the liquid level in the casing and transmits a signal to provided with laser liquid-level measurement instrument
Master controller, display is recorded in real time in master controller, is easy to monitoring management.
Preferably, it is used to detect the negative pressure value in sealing space provided with B/P EGR Back Pressure Transducer EGR and transmits a signal to main control
Device, display is recorded in real time in master controller, is easy to monitoring management.
Preferably, be provided with dividing plate in casing between two inlet and outlet, dividing plate is by casing internal partition institute
Space be separated into two parts, the aluminium liquid needs that its meaning is to make inlet and outlet to flow into flow up, aluminium skimmings all the time with temperature
Higher new aluminium liquid contact melting, then decline from another inlet and outlet outflow.
A kind of aluminium skimmings isothermal melts production technology, make use of above-mentioned melting unit, the production technology includes：
Step 1, aluminium skimmings solid to be melted is loaded after aluminium skimmings solid storage box and seals aluminium skimmings solid storage box.
Step 2, middle pneumatic flashboard opened by master controller, closes the pneumatic flashboard of inlet and outlet of chute wherein side,
The aluminium liquid of high temperature flows into and through two inlet and outlet from chute opposite side and entered in casing.
Step 3, when laser liquid-level measurement instrument detect the liquid level of aluminium liquid higher than inlet and outlet height after, that is, form liquid
Envelope, makes casing by way of vacuum jet --- and the sealing space in aluminium skimmings solid storage box forms the vacuum state of negative pressure,
The liquid level of aluminium liquid gradually rises in casing.
Step 4, when laser liquid-level measurement instrument detect aluminium liquid liquid level reach setting height after, master controller start spiral
Conveyer, which falls into the aluminium skimmings Solid Conveying and Melting in aluminium skimmings solid storage box in the aluminium liquid in casing, to be melted, while starts stirring dress
Put.
Step 5, by the detection of B/P EGR Back Pressure Transducer EGR and the control of master controller, the vacuum generator of vacuum control system,
Compressed air source and gas control unit control negative pressure value in setting range.
Step 6, middle pneumatic flashboard is closed by master controller, opening imports and exports pneumatic flashboard, the wherein side of chute
Flowed out for aluminium liquid, opposite side flows into for aluminium liquid, and the liquid level of middle pneumatic flashboard both sides produces drop, under vacuum conditions the company of being formed
Continuous dynamic flowing, during this, vacuum control system is all the time by negative pressure value control in setting range.
Preferably, the height that aluminium liquid is set in the step 4 is 900 mm~1100mm, this is highly more than the height of dividing plate
Degree.
Preferably, the negative pressure value in the step 5 in sealing space is 0.2 Mpa~0.5Mpa, under this negative pressure value, both
The vacuum in closing space is ensure that, in turn ensure that the height of aluminium liquid in setting range.
Preferably, the temperature of aluminum liquid scope flowed into the step 2 is 750 DEG C~850 DEG C, higher than the fusing point 660 of aluminium
℃。
Preferably, according to the temperature range of aluminium liquid, the aluminium skimmings amount of solid of main controller controls conveying worm conveying is
The 15%~30% of aluminium liquid, i.e., the relative value for the solid aluminium skimmings solid that can be melted according to raw aluminum liquid temperature per ton, the aluminium liquid of inflow
Temperature is low, then the aluminium skimmings amount of solid conveyed is few, on the contrary then more, in the utility model, can reach under vacuum conditions per hour 3~
6 tons of aluminium skimmings melt processed.
Preferably, flue gas caused by aluminium skimmings solid melts collects control by vacuum control system in the step 4, because
To be to remain vacuum-packed state, all flue gases are post-processed by centralized collection, during produced on-site
Fume emission the problem of.
Preferably, agitating device design speed is 300 turns/min~500 turn/min.It can be increased by way of stirring
Add the melting speed of aluminium skimmings, prevent aluminium skimmings to be suspended in the top layer of vacuum aluminum melting liquid and cannot fully melt, the speed of rotating speed according to
The conveying capacity regulation of aluminium skimmings solid.
The utility model has the advantage of：A, solid aluminium skimmings melt under anaerobic state under vacuum conditions, its gold
The burn out rate of category is no more than 3 ‰；
B, because the mode of production under air-tight state, all flue gases can suction out hole by one and focus on, no
The flue gas leakage during produced on-site be present, be truly realized environmentally friendly production；
C, aluminium skimmings are melted with the own temperature of raw aluminum liquid, its energy consumption saves 50%, reduces cost；
D, meet high-volume quantity-produced requirement, substantially increase production efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 be Fig. 1 in A-A to sectional view；
In figure:1. casing, 1.1. inlet and outlet, 2. closures, 3. master controllers, 4. conveying worms, 5. aluminium skimmings solids are deposited
Storage tank, 6. agitating devices, 7. laser liquid-level measurement instrument, 8. B/P EGR Back Pressure Transducer EGRs, 9. vacuum generators, 10. gas control units,
11. middle pneumatic flashboard, the 12. pneumatic flashboards of inlet and outlet, 13. chutes, 14. dividing plates, 15. compressed air sources.
Embodiment
The utility model is further described below by embodiment and accompanying drawing.
Embodiment is：As depicted in figs. 1 and 2, a kind of aluminium skimmings isothermal melting unit, including casing 1 and its closure 2,
Conveying worm 4, aluminium skimmings solid storage box 5, agitating device 6, vacuum control system and master controller 3, the lower edge of casing 1 are provided with
Two inlet and outlet 1.1 for being used for aluminium liquid flowing, import and export and be provided with chute 13 outside the casing 1 of 1.1 place sides, positioned at two disengaging
Middle pneumatic flashboard 11 is provided with chute 13 between mouth 1.1, the one or both sides chute outside two inlet and outlet 1.1
The pneumatic flashboard 12 of inlet and outlet is provided with 13；Wherein, it is gentle to include vacuum generator 9, compressed air source 15 for vacuum control system
Body control unit 10, equipment middle case 1 and its closure 2, conveying worm 4 and aluminium skimmings solid storage box 5 form sealing space,
And vacuum is formed in sealing space by vacuum control system.
Wherein, laser liquid-level measurement instrument 7 and B/P EGR Back Pressure Transducer EGR 8 are also included in equipment, is respectively used to detect the liquid in casing 1
Negative pressure value in position height and sealing space, and transmit a signal to master controller 3.
In addition, be provided with dividing plate 14 in casings 1 between two inlet and outlet 1.1, dividing plate 14 is by the institute of 1 internal partition of casing 14
Lower space be separated into two parts.
According to above-mentioned melting unit, a kind of caused aluminium skimmings isothermal fusing production technology, production technology include：
Step 1, aluminium skimmings solid to be melted is loaded after aluminium skimmings solid storage box 5 and seals aluminium skimmings solid storage box 5；
Step 2, middle pneumatic flashboard 11 is opened by master controller 3, the inlet and outlet of closing chute 13 wherein side are pneumatic
Flashboard 12, the high temperature aluminium liquid that temperature range is 750 DEG C~850 DEG C flow into and through two inlet and outlet 1.1 from the opposite side of chute 13
Into in casing 1；
Step 3, after laser liquid-level measurement instrument 7 detects that the liquid level of aluminium liquid forms fluid-tight higher than the height of inlet and outlet 1.1,
Making casing 1 by way of vacuum jet --- the sealing space in aluminium skimmings solid storage box 5 forms the vacuum state of negative pressure, aluminium
The liquid level rise of liquid；
Step 4, when laser liquid-level measurement instrument 7 detect aluminium liquid liquid level reach setting height --- 900 mm~1100mm
Afterwards, the temperature flowed into according to aluminium liquid, master controller 3 starts conveying worm 4, and the aluminium skimmings solid in aluminium skimmings solid storage box 5 is defeated
Send in the aluminium liquid fallen into casing 1 and melt, the aluminium skimmings amount of solid of conveying is the 15%~30% of aluminium liquid, while starts agitating device 6；
Step 5, pass through the detection of B/P EGR Back Pressure Transducer EGR 8 and the control of master controller 3, the vacuum generator of vacuum control system
9th, compressed air source 15 and gas control unit 10 control negative pressure value in setting range --- within 0.2 Mpa~0.5Mpa；
Step 6, middle pneumatic flashboard 11 closed by master controller 3, opens and import and export pneumatic flashboard 12, chute 13 its
Middle side is flowed out for aluminium liquid, and opposite side flows into for aluminium liquid, and the liquid level of the both sides of middle pneumatic flashboard 11 produces drop, in vacuum environment
It is lower to form continuous dynamic flowing.
, it is necessary to which the height for setting liquid level is more than the height of dividing plate 14 to meet work primary condition in production technology.
In addition, in the utility model production process, flue gas caused by aluminium skimmings solid melts is received by vacuum control system
Collection control.
It should be noted that one in two inlet and outlet 1.1 can be arbitrarily selected in present embodiment in actual production
The middle outlet as aluminium liquid outflow, another is as entrance.
Specific embodiment of the utility model is the foregoing is only, but architectural feature of the present utility model is not limited to
This, the utility model can be used on similar product, and any those skilled in the art is in field of the present utility model, institute
The change or modification of work are all covered among the scope of the claims of the present utility model.
Claims (4)
- A kind of 1. aluminium skimmings isothermal melting unit, it is characterised in that：Including casing（1）And its closure（2）, conveying worm（4）、 Aluminium skimmings solid storage box（5）, agitating device（6）, vacuum control system and master controller（3）, casing（1）Lower edge is provided with two Inlet and outlet for aluminium liquid flowing（1.1）, inlet and outlet（1.1）The casing of place side（1）It is provided with chute outside（13）, positioned at two Inlet and outlet（1.1）Between chute（13）Inside it is provided with middle pneumatic flashboard（11）, positioned at two inlet and outlet（1.1）Outside one Side or both sides chute（13）Inside it is provided with the pneumatic flashboard of inlet and outlet（12）；The vacuum control system includes vacuum generator（9）, compressed air source（15）And gas control unit（10）, the case Body（1）And its closure（2）, conveying worm（4）With aluminium skimmings solid storage box（5）Sealing space is formed, and passes through negative pressure control System processed forms vacuum.
- A kind of 2. aluminium skimmings isothermal melting unit according to claim 1, it is characterised in that：Provided with laser liquid-level measurement instrument （7）For detecting the casing（1）Interior liquid level simultaneously transmits a signal to master controller（3）.
- A kind of 3. aluminium skimmings isothermal melting unit according to claim 1, it is characterised in that：Provided with B/P EGR Back Pressure Transducer EGR（8）With In the negative pressure value in detection sealing space and transmit a signal to master controller（3）.
- A kind of 4. aluminium skimmings isothermal melting unit according to claim 1, it is characterised in that：Positioned at two inlet and outlet （1.1）Between casing（1）Inside it is provided with dividing plate（14）, dividing plate（14）By casing（1）Internal partition（14）The space at place separates Into two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701232.9U CN206783738U (en) | 2017-06-16 | 2017-06-16 | A kind of aluminium skimmings isothermal melting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701232.9U CN206783738U (en) | 2017-06-16 | 2017-06-16 | A kind of aluminium skimmings isothermal melting unit |
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| Publication Number | Publication Date |
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| CN206783738U true CN206783738U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720701232.9U Active CN206783738U (en) | 2017-06-16 | 2017-06-16 | A kind of aluminium skimmings isothermal melting unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109946A (en) * | 2022-08-01 | 2022-09-27 | 南通雨奇金属制品有限公司 | Aluminum impurity purification device for recovering aluminum scrap |
-
2017
- 2017-06-16 CN CN201720701232.9U patent/CN206783738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109946A (en) * | 2022-08-01 | 2022-09-27 | 南通雨奇金属制品有限公司 | Aluminum impurity purification device for recovering aluminum scrap |
| CN115109946B (en) * | 2022-08-01 | 2023-07-14 | 南通雨奇金属制品有限公司 | Aluminum impurity purification device for recycling waste aluminum |
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